Add the ability to use mipmaps with RenderTargets.

Dramatically improve the speed of J2D::DrawCubicBezierCurve

.gitea/workflows/buildtest.yml

@@ -0,0 +1,22 @@
+name: Run ReCI Build Test
+run-name: Run ReCI Build Test For ${{ gitea.repository }}.
+on: [push]
+
+jobs:
+  Explore-Gitea-Actions:
+    runs-on: ubuntu-22.04
+    env:
+      RECI_GIT: https://git.redacted.cc/maxine/ReCI
+      RECI: /RECI
+    steps:
+      - run: echo "The job was automatically triggered by a ${{ gitea.event_name }} event."
+      - run: echo "This job is now running on a ${{ runner.os }} server hosted by Gitea!"
+      - run: echo "The name of your branch is ${{ gitea.ref }} and your repository is ${{ gitea.repository }}."
+      - name: Check out repository code
+        uses: actions/checkout@v3
+      - run: echo "The ${{ gitea.repository }} repository has been cloned to the runner."
+      - run: echo "The workflow is now ready to run your tests on the runner."
+      - run: echo "Install toolchain and run ReCI build test"
+      - run: apt-get update && apt-get install -y lua5.3 git libxrandr-dev libvulkan-dev && git clone $RECI_GIT $RECI
+      - run: lua $RECI/reci.lua -f $RECI/scripts/buildtools.reci -f reci/scripts/builddeps.reci -f $RECI/scripts/buildtest.reci
+      - run: echo "This job's status is ${{ job.status }}."

.gitignore

@@ -1,2 +1,4 @@
 /cmake-build-debug
 /.idea
+
+/assets/test_files

CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.25)
+cmake_minimum_required(VERSION 3.18..3.27)
 project(JGL
     VERSION 1.0
     LANGUAGES CXX
@@ -9,50 +9,89 @@ if (PROJECT_SOURCE_DIR STREQUAL PROJECT_BINARY_DIR)
 endif()
 
 set(CMAKE_CXX_STANDARD 20)
-if (WIN32)
-    set(CMAKE_CXX_FLAGS "-municode")
-endif(WIN32)
-
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
 
-
 # Enable Package Managers
 include(cmake/CPM.cmake)
 
+
+CPMAddPackage(
+        NAME mcolor
+        URL https://git.redacted.cc/maxine/mcolor/archive/Prerelease-5.zip
+)
+
 CPMAddPackage(
         NAME J3ML
-        URL https://git.redacted.cc/josh/j3ml/archive/Release-6.zip
+        URL https://git.redacted.cc/josh/j3ml/archive/3.4.5.zip
 )
 
 CPMAddPackage(
         NAME ReWindow
-        URL https://git.redacted.cc/Redacted/ReWindow/archive/vA0.2.30.zip
+        URL https://git.redacted.cc/Redacted/ReWindow/archive/Prerelease-32.zip
 )
 
 CPMAddPackage(
         NAME GLAD
-        URL https://git.redacted.cc/Redacted/glad/archive/v2.1.zip
+        URL https://git.redacted.cc/Redacted/glad/archive/v2.1ext_fbo_depthtexture_shadow.zip
 )
-file(COPY "assets" DESTINATION "${PROJECT_BINARY_DIR}")
-file(GLOB_RECURSE HEADERS "include/*.h" "include/*.hpp")
-file(GLOB_RECURSE SOURCES "src/*.c"     "src/*.cpp"    )
-file(GLOB_RECURSE ASSETS  "assets/*")
 
-add_library(JGL SHARED ${SOURCES})
+CPMAddPackage(
+        NAME jlog
+        URL https://git.redacted.cc/josh/jlog/Prerelease-16.zip
+)
+
+if (WIN32)
+    CPMAddPackage(
+            NAME freetype
+            URL https://github.com/freetype/freetype/archive/refs/tags/VER-2-13-2.zip
+    )
+endif()
+
+#set(CMAKE_CXX_FLAGS "-O3 -Wall -Wextra")
+
+file(COPY "assets" DESTINATION "${PROJECT_BINARY_DIR}")
+file(GLOB_RECURSE ASSETS  "assets/*")
+file(GLOB_RECURSE HEADERS "include/*.h" "include/*.hpp"            )
+file(GLOB_RECURSE SOURCES "src/*.c" "src/*.cpp" "src/*.h")
+
+if (UNIX AND NOT APPLE)
+    find_package(Freetype REQUIRED)
+    add_library(JGL SHARED ${SOURCES})
+endif()
+
+if (WIN32)
+    add_library(JGL STATIC ${SOURCES})
+endif()
+
 set_target_properties(JGL PROPERTIES LINKER_LANGUAGE CXX)
 
-find_package(OpenGL REQUIRED)
-find_package(Freetype REQUIRED)
+#Don't expose these ones.
+include_directories(
+        ${ReWindow_SOURCE_DIR}/include
+        ${Event_SOURCE_DIR}/include
+)
+
+target_include_directories(JGL PUBLIC
+        ${PROJECT_SOURCE_DIR}/include
+        ${mcolor_SOURCE_DIR}/include
+        ${J3ML_SOURCE_DIR}/include
+        ${jlog_SOURCE_DIR}/include
+        ${glad_SOURCE_DIR}/include
+)
 
 add_executable(JGL_Demo main.cpp)
-set_target_properties(JGL_Demo PROPERTIES LINK_FLAGS "-Wl,-rpath,./lib")
-include_directories(${PROJECT_SOURCE_DIR}/include)
-include_directories(${OPENGL_INCLUDE_DIRS})
-include_directories(${J3ML_SOURCE_DIR}/include)
-include_directories(${ReWindow_SOURCE_DIR}/include)
-include_directories(${glad_SOURCE_DIR}/include)
+#set_target_properties(JGL_Demo PROPERTIES LINK_FLAGS "-Wl,-rpath,./lib")
 
-target_include_directories(JGL PRIVATE ${FREETYPE_INCLUDE_DIRS})
-target_link_libraries(JGL PRIVATE ${FREETYPE_LIBRARIES})
-target_include_directories(JGL PRIVATE ${FREETYPE_INCLUDE_DIRS})
-target_link_libraries(JGL_Demo PUBLIC JGL ${OPENGL_LIBRARIES} J3ML ReWindowLibrary glad)
+if (UNIX AND NOT APPLE)
+    target_include_directories(JGL PRIVATE ${FREETYPE_INCLUDE_DIRS} )
+    target_link_libraries(JGL PRIVATE ${FREETYPE_LIBRARIES})
+    target_link_libraries(JGL PUBLIC mcolor J3ML jlog glad)
+endif()
+
+if (WIN32)
+    target_include_directories(JGL PRIVATE ${freetype_SOURCE_DIR}/include)
+    target_link_libraries(JGL PRIVATE freetype)
+    target_link_libraries(JGL PUBLIC ${OPENGL_LIBRARIES} mcolor J3ML glad jlog glad)
+endif()
+
+target_link_libraries(JGL_Demo PUBLIC JGL ReWindow Event glad)

README.md

@@ -1,11 +1,82 @@
-# Josh Graphics Library
+# Josh's Graphics Library
 
-# Goals
-* Provide single-function-calls to render various graphics primitives in 2D and 3D.
-* Integrated directly with our other toolkits (ReWindow, J3ML)
-* Quick Rendering of Debug Text, Geometric Widgets, Textures, and so forth.
+Yet Another C++ Rendering Toolkit
 
-# Non-Goals
-* Full Rendering Engine
-* OpenGL/Vulkan Wrapper
-* Asset Loading & Management
+[![License: Unlicense](https://img.shields.io/badge/license-Unlicense-blue.svg)](http://unlicense.org/) ![Static Badge](https://img.shields.io/badge/Lit-Based-%20)
+
+
+## Features
+
+* Modern C++ (20).
+* Cross Platform (Linux & Windows 10 1909 or newer).
+* Provides single-function-calls to render various graphics in 2D and 3D.
+* Integrates right into an existing OpenGL rendering system.
+* Quick Rendering of Text, Shapes, Sprites / Textures, etc.
+* High-performance text rendering.
+* Little-to-no overhead.
+
+## API Overview
+
+### J2D
+* DrawPoint
+* DrawLine / DrawGradientLine / DrawDottedLine / DrawDashedLine / DrawLines
+* DrawSprite / DrawPartialSprite
+* DrawRenderTarget / DrawPartialRenderTarget
+* OutlineRect / OutlineRoundedRect / OutlineChamferRect 
+* FillRect / FillGradientRect / FillRoundedRect / FillChamferRect
+* OutlineCircle / FillCircle
+* OutlineTriangle / FillTriangle / FillGradientTriangle
+* DrawString
+* DrawCubicBezierCurve
+* DrawArc
+* OutlineEllipse / FillEllipse
+
+### J3D
+* DrawLine
+* DrawString
+* DrawMatrixGizmo (WIP)
+* DrawAxisAngleGizmo (WIP)
+* DrawQuaternionGizmo (WIP)
+
+### Types
+* RenderTarget
+* VRamList
+* Texture
+* Font
+
+## Usage
+```cpp
+// Makes sure the glViewport will be the correct size.
+// Typically done once per frame.
+JGL::Update(window_size);
+
+JGL::J2D::Begin();
+    JGL::J2D::FillRect(Colors::Blue, {0,0}, {16,16});
+JGL::J2D::End();
+
+// See the example program in main.cpp for more in-depth usage.
+```
+## Requirements
+
+An OpenGL 2.1 or newer accelerator with at-least two texture mappers that supports the `GL_ARB_framebuffer_object` extension or
+an implementation that can provide those features through alternative means (common on ArmSoC and Risc-V).
+
+## Compatability
+
+* AMD ✓
+* NVIDIA ✓
+* Intel ✓
+* Zink (OpenGL-on-Vulkan) ✓
+* GL4ES ✓
+
+## Documentation
+
+Documentation is available [here](https://doc.redacted.cc/JGL/d3/dcc/md__r_e_a_d_m_e.html).
+
+## Contributing
+
+Contributions to JGL are welcome! If you find a bug, have a feature request, or would like to contribute code, please submit an issue or pull request to our repository!
+
+## Acknowledgements
+
+JGL is developed and maintained by Josh O'Leary @ Co from Redacted Software and contributors. Special thanks to Redacted.

assets/models/cone.obj

@@ -0,0 +1,164 @@
+# Blender v3.6.4 OBJ File: ''
+# www.blender.org
+o Cone
+v 0.000000 -1.000000 -1.000000
+v 0.195090 -1.000000 -0.980785
+v 0.382683 -1.000000 -0.923880
+v 0.555570 -1.000000 -0.831470
+v 0.707107 -1.000000 -0.707107
+v 0.831470 -1.000000 -0.555570
+v 0.923880 -1.000000 -0.382683
+v 0.980785 -1.000000 -0.195090
+v 1.000000 -1.000000 0.000000
+v 0.980785 -1.000000 0.195090
+v 0.923880 -1.000000 0.382683
+v 0.831470 -1.000000 0.555570
+v 0.707107 -1.000000 0.707107
+v 0.555570 -1.000000 0.831470
+v 0.382683 -1.000000 0.923880
+v 0.195090 -1.000000 0.980785
+v 0.000000 -1.000000 1.000000
+v -0.195090 -1.000000 0.980785
+v -0.382683 -1.000000 0.923880
+v -0.555570 -1.000000 0.831470
+v -0.707107 -1.000000 0.707107
+v -0.831470 -1.000000 0.555570
+v -0.923880 -1.000000 0.382683
+v -0.980785 -1.000000 0.195090
+v -1.000000 -1.000000 0.000000
+v -0.980785 -1.000000 -0.195090
+v -0.923880 -1.000000 -0.382683
+v -0.831470 -1.000000 -0.555570
+v -0.707107 -1.000000 -0.707107
+v -0.555570 -1.000000 -0.831470
+v -0.382683 -1.000000 -0.923880
+v -0.195090 -1.000000 -0.980785
+v 0.000000 1.000000 0.000000
+vt 0.250000 0.490000
+vt 0.250000 0.250000
+vt 0.296822 0.485388
+vt 0.341844 0.471731
+vt 0.383337 0.449553
+vt 0.419706 0.419706
+vt 0.449553 0.383337
+vt 0.471731 0.341844
+vt 0.485388 0.296822
+vt 0.490000 0.250000
+vt 0.485388 0.203178
+vt 0.471731 0.158156
+vt 0.449553 0.116663
+vt 0.419706 0.080294
+vt 0.383337 0.050447
+vt 0.341844 0.028269
+vt 0.296822 0.014612
+vt 0.250000 0.010000
+vt 0.203178 0.014612
+vt 0.158156 0.028269
+vt 0.116663 0.050447
+vt 0.080294 0.080294
+vt 0.050447 0.116663
+vt 0.028269 0.158156
+vt 0.014612 0.203178
+vt 0.010000 0.250000
+vt 0.014612 0.296822
+vt 0.028269 0.341844
+vt 0.050447 0.383337
+vt 0.080294 0.419706
+vt 0.116663 0.449553
+vt 0.158156 0.471731
+vt 0.796822 0.014612
+vt 0.514612 0.203178
+vt 0.703178 0.485388
+vt 0.203178 0.485388
+vt 0.750000 0.490000
+vt 0.796822 0.485388
+vt 0.841844 0.471731
+vt 0.883337 0.449553
+vt 0.919706 0.419706
+vt 0.949553 0.383337
+vt 0.971731 0.341844
+vt 0.985388 0.296822
+vt 0.990000 0.250000
+vt 0.985388 0.203178
+vt 0.971731 0.158156
+vt 0.949553 0.116663
+vt 0.919706 0.080294
+vt 0.883337 0.050447
+vt 0.841844 0.028269
+vt 0.750000 0.010000
+vt 0.703178 0.014612
+vt 0.658156 0.028269
+vt 0.616663 0.050447
+vt 0.580294 0.080294
+vt 0.550447 0.116663
+vt 0.528269 0.158156
+vt 0.510000 0.250000
+vt 0.514612 0.296822
+vt 0.528269 0.341844
+vt 0.550447 0.383337
+vt 0.580294 0.419706
+vt 0.616663 0.449553
+vt 0.658156 0.471731
+s off
+f 1/1 33/2 2/3
+f 2/3 33/2 3/4
+f 3/4 33/2 4/5
+f 4/5 33/2 5/6
+f 5/6 33/2 6/7
+f 6/7 33/2 7/8
+f 7/8 33/2 8/9
+f 8/9 33/2 9/10
+f 9/10 33/2 10/11
+f 10/11 33/2 11/12
+f 11/12 33/2 12/13
+f 12/13 33/2 13/14
+f 13/14 33/2 14/15
+f 14/15 33/2 15/16
+f 15/16 33/2 16/17
+f 16/17 33/2 17/18
+f 17/18 33/2 18/19
+f 18/19 33/2 19/20
+f 19/20 33/2 20/21
+f 20/21 33/2 21/22
+f 21/22 33/2 22/23
+f 22/23 33/2 23/24
+f 23/24 33/2 24/25
+f 24/25 33/2 25/26
+f 25/26 33/2 26/27
+f 26/27 33/2 27/28
+f 27/28 33/2 28/29
+f 28/29 33/2 29/30
+f 29/30 33/2 30/31
+f 30/31 33/2 31/32
+f 16/33 24/34 32/35
+f 31/32 33/2 32/36
+f 32/36 33/2 1/1
+f 32/35 1/37 2/38
+f 2/38 3/39 4/40
+f 4/40 5/41 6/42
+f 6/42 7/43 8/44
+f 8/44 9/45 10/46
+f 10/46 11/47 12/48
+f 12/48 13/49 14/50
+f 14/50 15/51 16/33
+f 16/33 17/52 18/53
+f 18/53 19/54 20/55
+f 20/55 21/56 22/57
+f 22/57 23/58 24/34
+f 24/34 25/59 26/60
+f 26/60 27/61 28/62
+f 28/62 29/63 30/64
+f 30/64 31/65 32/35
+f 32/35 2/38 8/44
+f 2/38 4/40 8/44
+f 4/40 6/42 8/44
+f 8/44 10/46 16/33
+f 10/46 12/48 16/33
+f 12/48 14/50 16/33
+f 16/33 18/53 24/34
+f 18/53 20/55 24/34
+f 20/55 22/57 24/34
+f 24/34 26/60 32/35
+f 26/60 28/62 32/35
+f 28/62 30/64 32/35
+f 32/35 8/44 16/33

assets/models/cube.amo

@@ -0,0 +1,46 @@
+ao Cube 1
+v 8
+1.000000 1.000000 1.000000
+1.000000 1.000000 -1.000000
+1.000000 -1.000000 1.000000
+1.000000 -1.000000 -1.000000
+-1.000000 1.000000 1.000000
+-1.000000 1.000000 -1.000000
+-1.000000 -1.000000 1.000000
+-1.000000 -1.000000 -1.000000
+vt 14
+0.625000 0.500000
+0.875000 0.500000
+0.875000 0.750000
+0.625000 0.750000
+0.375000 0.750000
+0.625000 1.000000
+0.375000 1.000000
+0.375000 0.000000
+0.625000 0.000000
+0.625000 0.250000
+0.375000 0.250000
+0.125000 0.500000
+0.375000 0.500000
+0.125000 0.750000
+vn 6
+0.000000 0.000000 1.000000
+0.000000 -1.000000 0.000000
+-1.000000 0.000000 0.000000
+0.000000 0.000000 -1.000000
+1.000000 0.000000 0.000000
+0.000000 1.000000 0.000000
+f 12
+2 0 0 0 1 0 4 2 0 
+7 3 1 3 4 1 2 3 1 
+5 5 2 7 6 2 6 7 2 
+7 8 3 5 9 3 1 10 3 
+3 11 4 1 12 4 0 4 4 
+1 13 5 5 12 5 4 0 5 
+2 0 0 4 1 0 6 2 0 
+7 3 1 2 4 1 6 3 1 
+5 5 2 6 6 2 4 7 2 
+7 8 3 1 9 3 3 10 3 
+3 11 4 0 12 4 2 4 4 
+1 13 5 4 12 5 0 0 5 
+end

assets/models/cube.obj

@@ -0,0 +1,38 @@
+# Blender v3.6.4 OBJ File: ''
+# www.blender.org
+o Cube
+v 1.000000 1.000000 -1.000000
+v 1.000000 -1.000000 -1.000000
+v 1.000000 1.000000 1.000000
+v 1.000000 -1.000000 1.000000
+v -1.000000 1.000000 -1.000000
+v -1.000000 -1.000000 -1.000000
+v -1.000000 1.000000 1.000000
+v -1.000000 -1.000000 1.000000
+vt 0.875000 0.500000
+vt 0.625000 0.750000
+vt 0.625000 0.500000
+vt 0.375000 1.000000
+vt 0.375000 0.750000
+vt 0.625000 0.000000
+vt 0.375000 0.250000
+vt 0.375000 0.000000
+vt 0.375000 0.500000
+vt 0.125000 0.750000
+vt 0.125000 0.500000
+vt 0.625000 0.250000
+vt 0.875000 0.750000
+vt 0.625000 1.000000
+s off
+f 5/1 3/2 1/3
+f 3/2 8/4 4/5
+f 7/6 6/7 8/8
+f 2/9 8/10 6/11
+f 1/3 4/5 2/9
+f 5/12 2/9 6/7
+f 5/1 7/13 3/2
+f 3/2 7/14 8/4
+f 7/6 5/12 6/7
+f 2/9 4/5 8/10
+f 1/3 3/2 4/5
+f 5/12 1/3 2/9

assets/shader_programs/test_fragment.glsl

@@ -0,0 +1,5 @@
+#version 120
+
+void main() {
+        gl_FragColor = vec4(1, 1, 1, 1);
+}

assets/shader_programs/test_vertex.glsl

@@ -0,0 +1,7 @@
+#version 120
+
+attribute vec2 position;
+
+void main() {
+    gl_Position = vec4(position.x, position.y, 1.0, 1.0);
+}

include/JGL/Color3.h

@@ -1,32 +0,0 @@
-#pragma once
-
-#include <JGL/Color4.h>
-#include <J3ML/J3ML.h>
-
-namespace JGL
-{
-    using namespace J3ML;
-    struct Color3 {
-        u8 r;
-        u8 g;
-        u8 b;
-
-        Color3 Lerp(const Color3& rhs, float alpha) const;
-        Color4 WithAlphaChannel(float alpha = 1) const;
-        Color3(u8 R, u8 G, u8 B) : r(R), g(G), b(B) {}
-        Color3(const Color4& c)
-        {
-            this->r = c.r;
-            this->g = c.g;
-            this->b = c.b;
-        }
-        u8 RedChannel  () const { return r; }
-        u8 GreenChannel() const { return g; }
-        u8 BlueChannel () const { return b; }
-        float RedChannelNormalized ()  const { return static_cast<float>(r) / 255.f;}
-        float BlueChannelNormalized()  const { return static_cast<float>(b) / 255.f;}
-        float GreenChannelNormalized() const { return static_cast<float>(g) / 255.f;}
-    };
-
-
-}

include/JGL/Color4.h

@@ -1,11 +0,0 @@
-#pragma once
-
-namespace JGL
-{
-    struct Color4{
-        int r;
-        int g;
-        int b;
-        int a;
-    };
-}

include/JGL/Colors.h

@@ -1,178 +0,0 @@
-#pragma once
-
-
-#include <JGL/Color3.h>
-
-namespace JGL
-{
-    namespace Colors {
-        namespace Primary {
-            static const Color3 Red{255, 0, 0};
-            static const Color3 Green{0, 255, 0};
-            static const Color3 Blue{0, 0, 255};
-            static const Color3 White{255, 255, 255};
-            static const Color3 Black{0, 0, 0};
-            static const Color3 Gray{128, 128, 128};
-            static const Color3 DarkGray{192, 192, 192};
-            static const Color3 LightGray{64, 64, 64};
-            static const Color3 Yellow{255, 255, 0};
-        }
-        using namespace Primary;
-        namespace Reds {
-            static const Color3 Fuchsia {255, 0, 255};
-            static const Color3 LightSalmon{255, 160, 122};
-            static const Color3 Salmon{250, 128, 114};
-            static const Color3 DarkSalmon{233, 150, 122};
-            static const Color3 LightCoral{240, 128, 128};
-            static const Color3 IndianRed{205, 92, 92};
-            static const Color3 Crimson{220, 20, 60};
-            static const Color3 Firebrick{178, 34, 34};
-            static const Color3 DarkRed{139, 0, 0};
-        }
-        namespace Oranges {
-            static const Color3 Coral{255, 127, 80};
-            static const Color3 Tomato{255, 99, 71};
-            static const Color3 OrangeRed{255, 69, 0};
-            static const Color3 Gold{255, 215, 0};
-            static const Color3 Orange{255, 165, 0};
-            static const Color3 DarkOrange{255, 140, 0};
-        }
-        namespace Yellows {
-            static const Color3 LightYellow{255, 255, 224};
-            static const Color3 LemonChiffon{255, 250, 205};
-            static const Color3 LightGoldenrodYellow{250, 250, 210};
-            static const Color3 PapayaWhip{255, 239, 213};
-            static const Color3 Moccasin{255, 228, 181};
-            static const Color3 PeachPuff{255, 218, 185};
-            static const Color3 PaleGoldenrod{238, 232, 170};
-            static const Color3 Khaki{240, 230, 140};
-            static const Color3 DarkKhaki{189, 183, 107};
-        }
-        namespace Greens {
-            static const Color3 LawnGreen{124, 252, 0};
-            static const Color3 Chartreuse{127, 255, 0};
-            static const Color3 LimeGreen{50, 205, 50};
-            static const Color3 ForestGreen{34, 139, 34};
-            static const Color3 DarkGreen{0, 100, 0};
-            static const Color3 GreenYellow{173, 255, 47};
-            static const Color3 YellowGreen{154, 205, 50};
-            static const Color3 SpringGreen{0, 255, 127};
-            static const Color3 MediumSpringGreen{0, 250, 154};
-            static const Color3 LightGreen{144, 238, 144};
-            static const Color3 PaleGreen{152, 251, 152};
-            static const Color3 DarkSeaGreen{143, 188, 143};
-            static const Color3 MediumSeaGreen{60, 179, 113};
-            static const Color3 SeaGreen{46, 139, 87};
-            static const Color3 DarkOliveGreen{85, 107, 47};
-            static const Color3 OliveDrab{107, 142, 35};
-            static const Color3 Lime{0, 255, 0};
-            static const Color3 Olive{128, 128, 0};
-        }
-        namespace Cyans {
-            static const Color3 LightCyan{224, 255, 255};
-            static const Color3 Cyan{0, 255, 255};
-            static const Color3 Aqua{0, 255, 255};
-            static const Color3 Aquamarine{127, 255, 212};
-            static const Color3 MediumAquamarine{102, 205, 170};
-            static const Color3 PaleTurquoise{175, 238, 238};
-            static const Color3 Turquoise{64, 224, 208};
-            static const Color3 MediumTurquoise{72, 209, 204};
-            static const Color3 DarkTurquoise{0, 206, 209};
-            static const Color3 LightSeaGreen{32, 178, 170};
-            static const Color3 CadetBlue{95, 158, 160};
-            static const Color3 DarkCyan{0, 139, 139};
-            static const Color3 Teal{0, 128, 128};
-        }
-        namespace Blues {
-            static const Color3 PowderBlue{176, 224, 230};
-            static const Color3 LightBlue{173, 216, 230};
-            static const Color3 LightSkyBlue{135, 206, 250};
-            static const Color3 SkyBlue{135, 206, 235};
-            static const Color3 DeepSkyBlue{0, 191, 255};
-            static const Color3 LightSteelBlue{176, 196, 222};
-            static const Color3 DodgerBlue{30, 144, 255};
-            static const Color3 CornflowerBlue{100, 149, 237};
-            static const Color3 SteelBlue{70, 130, 180};
-            static const Color3 RoyalBlue{65, 105, 225};
-            static const Color3 MediumBlue{0, 0, 205};
-            static const Color3 DarkBlue{0, 0, 139};
-            static const Color3 Navy{0, 0, 128};
-            static const Color3 MidnightBlue{25, 25, 112};
-            static const Color3 MediumSlateBlue{123, 104, 238};
-            static const Color3 SlateBlue{106, 90, 205};
-            static const Color3 DarkSlateBlue{72, 61, 139};
-        }
-
-
-        namespace Purples {
-            static const Color3 Lavender{230, 230, 250};
-            static const Color3 Thistle{216, 191, 216};
-            static const Color3 Plum{221, 160, 221};
-            static const Color3 Violet{238, 160, 221};
-            static const Color3 Orchid{218, 112, 214};
-            static const Color3 Fuchsia{255, 0, 255};
-            static const Color3 Magenta{255, 0, 255};
-            static const Color3 MediumOrchid{186, 85, 211};
-            static const Color3 MediumPurple{147, 112, 219};
-            static const Color3 BlueViolet{138, 43, 226};
-            static const Color3 DarkViolet{148, 0, 211};
-            static const Color3 DarkOrchid{153, 50, 204};
-            static const Color3 DarkMagenta{139, 0, 128};
-            static const Color3 Purple{128, 0, 128};
-            static const Color3 Indigo{75, 0, 130};
-        }
-        namespace Pinks {
-            static const Color3 Pink{255, 129, 203};
-            static const Color3 LightPink{255, 182, 193};
-            static const Color3 HotPink{255, 105, 180};
-            static const Color3 DeepPink{255, 20, 147};
-            static const Color3 PaleVioletRed{219, 112, 147};
-            static const Color3 MediumVioletRed{199, 21, 133};
-        }
-        namespace Whites {
-            static const Color3 Snow{255, 250, 250};
-            static const Color3 Honeydew{240, 255, 240};
-            static const Color3 MintCream{245, 255, 250};
-            static const Color3 Azure{240, 255, 255};
-            static const Color3 AliceBlue{240, 248, 255};
-            static const Color3 GhostWhite{248, 248, 255};
-            static const Color3 WhiteSmoke{245, 245, 245};
-            static const Color3 SeaShell{255, 245, 238};
-            static const Color3 Beige{245, 245, 220};
-            static const Color3 OldLace{253, 245, 230};
-            static const Color3 FloralWhite{255, 250, 240};
-            static const Color3 Ivory{255, 255, 240};
-            static const Color3 AntiqueWhite{250, 240, 215};
-            static const Color3 Linen{250, 240, 230};
-            static const Color3 LavenderBlush{255, 240, 245};
-            static const Color3 MistyRose{255, 228, 255};
-        }
-        namespace Grays {
-            static const Color3 Gainsboro{220, 220, 220};
-            static const Color3 LightGray{211, 211, 211};
-            static const Color3 Silver{192, 192, 192};
-            static const Color3 DimGray{105, 105, 105};
-            static const Color3 LightSlateGray{119, 136, 153};
-            static const Color3 SlateGray{112, 128, 144};
-            static const Color3 DarkSlateGray{47, 79, 79};
-        }
-        namespace Browns {
-            static const Color3 CornSilk{255, 248, 220};
-            static const Color3 BlanchedAlmond{255, 235, 205};
-            static const Color3 Bisque{255, 228, 196};
-            static const Color3 NavajoWhite{255, 222, 173};
-            static const Color3 Wheat{254, 222, 179};
-            static const Color3 BurlyWood{222, 184, 135};
-            static const Color3 Tan{210, 180, 140};
-            static const Color3 RosyBrown{188, 143, 143};
-            static const Color3 SandyBrown{244, 164, 96};
-            static const Color3 GoldenRod{218, 165, 32};
-            static const Color3 Peru{205, 133, 63};
-            static const Color3 Chocolate{210, 105, 30};
-            static const Color3 SaddleBrown{139, 69, 19};
-            static const Color3 Sienna{160, 82, 45};
-            static const Color3 Brown{164, 42, 42};
-            static const Color3 Maroon{128, 0, 0};
-        }
-    }
-}

include/JGL/JGL.h

@@ -1,99 +1,698 @@
-//
-// Created by dawsh on 1/17/24.
-//
+/// Josh's Graphics Library
+/// A C++20 Library for rendering 2D and 3D primitives in an OpenGL context.
+/// Developed and Maintained by Josh O'Leary @ Redacted Software.
+/// Special Thanks to William Tomasine II and Maxine Hayes.
+/// (c) 2024 Redacted Software
+/// This work is dedicated to the public domain.
+
+/// @file JGL.h
+/// @desc All JGL usable functions are defined here. This is the public API.
+/// @edit 2024-10-24
+
+
 #pragma once
 
-#include <J3ML/LinearAlgebra.h>
-#include <J3ML/LinearAlgebra/Vector2.h>
-#include <J3ML/LinearAlgebra/Vector3.h>
 #include <string>
-#include <iostream>
-#include <JGL/Color3.h>
-#include <J3ML/Geometry/Sphere.h>
-#include <J3ML/Geometry/OBB.h>
-#include <J3ML/Geometry/Capsule.h>
-#include <J3ML/Geometry/Plane.h>
-#include <J3ML/Geometry/TriangleMesh.h>
+#include <Color4.hpp>
+#include <JGL/types/Texture.h>
+#include <JGL/types/Enums.h>
+#include <JGL/types/FontCache.h>
+#include <JGL/types/Font.h>
+#include <JGL/types/RenderTarget.h>
+#include <JGL/types/Light.h>
+#include <J3ML/LinearAlgebra.hpp>
+#include <J3ML/LinearAlgebra/Vector2.hpp>
+#include <J3ML/LinearAlgebra/Vector3.hpp>
+#include <J3ML/Geometry/Sphere.hpp>
+#include <J3ML/Geometry/Capsule.hpp>
+#include <J3ML/Geometry/Triangle2D.hpp>
+#include <JGL/types/Font.h>
+#include <JGL/types/VRamList.h>
+#include <JGL/types/VertexArray.h>
 
-// OpenGL Wrapper for rendering 2D graphics primitives in both a 2D and 3D context
+// Fonts that are included by default.
+namespace JGL::Fonts {
+    void Init();
+    // Built in fonts.
+    inline Font Jupiteroid;
+}
+
+// Simple shapes that are pre-computed and used in some draw functions.
+namespace JGL::ShapeCache {
+    inline VRamList* cube_vertex_data = nullptr;
+    inline VRamList* cube_index_data = nullptr;
+    inline VRamList* cube_normal_data = nullptr;
+    // Facing straight out.
+    inline VRamList* j2d_default_normal_data = nullptr;
+    inline VRamList* square_origin_topleft_vertex_data = nullptr;
+    void Init();
+}
+
+/// OpenGL Wrapper for rendering 2D & 3D graphics in both a 2D and 3D context.
 namespace JGL {
+    using namespace J3ML::LinearAlgebra;
+    using namespace J3ML::Geometry;
 
-    using J3ML::LinearAlgebra::Vector2;
-    using J3ML::LinearAlgebra::Vector3;
-    using J3ML::LinearAlgebra::Matrix3x3;
-    using J3ML::LinearAlgebra::Matrix4x4;
-    using J3ML::LinearAlgebra::AxisAngle;
-    using J3ML::LinearAlgebra::Quaternion;
+    [[nodiscard]] bool Init(const Vector2i& window_size, float fovY, float far_plane);
+    void Update(const Vector2i& window_size);
+    inline void PurgeFontCache() { JGL::fontCache.purgeCache(); }
 
-    using J3ML::Geometry::Sphere;
-    using J3ML::Geometry::OBB;
-    using J3ML::Geometry::Capsule;
-    using J3ML::Geometry::TriangleMesh;
-    using J3ML::Geometry::Plane;
 
-    struct HSV {
-        float hue;
-        float saturation;
-        float value;
-    };
+    std::array<GLfloat, 16> OpenGLPerspectiveProjectionRH(float fovY, float aspect, float z_near, float z_far);
 
-    struct Triangle2D
-    {
-        Vector2 A;
-        Vector2 B;
-        Vector2 C;
-    };
+    /// @returns true if the graphics driver meets the requirements (GL Version & Extensions).
+    bool MeetsRequirements();
+}
 
-    struct Triangle3D
-    {
-        Vector3 A;
-        Vector3 B;
-        Vector3 C;
-    };
+/// Drawing functions for 2D objects.
+namespace JGL::J2D {
+    /// Open a 2-D rendering context with the underlying graphics system (In this case&  by default OpenGL).
+    /// @note This call may not strictly be necessary on some setups, but is provided to keep the API constant.
+    /// It is recommended to always open a JGL 2D context to render your content, then close when completed.
+    /// This keeps our code from, say, clobbering the OpenGL rendering context driving 3D content in between our calls.
+    /// @param render_target
+    /// @param clear_buffers
+    void Begin(RenderTarget* render_target = nullptr, bool clear_buffers = false);
 
-    bool InitTextEngine();
+    /// Closes a 2-D rendering context with the underlying graphics system (In this case&  by default OpenGL).
+    /// @see Begin().
+    void End();
 
-    // TODO: implement correct coloring
+    /// Provide a list of lights to be used in 2D space. Typically directly after J2D::Begin();
+    /// 8 lights maximum for now. Some kind of light sorting will eventually be needed per j2d element.
+    void OptionalLights(const LightBase** lights, const size_t& light_count);
 
-    namespace J2D {
-        void DrawPixel2D(const Color3 &color, const Vector2 &coordinates);
-        void DrawPixel2D(const Color3 &color, float x, float y);
-        void DrawLine2D(const Color3 &color, const Vector2 &A, const Vector2 &B, float thickness = 1);
-        void DrawLine2D(const Color3 &color, float x, float y, float w, float h, float thickness = 1);
-        void DrawCubicBezierCurve2D();
-        void OutlineCircle2D(const Color3 &color, const Vector2 &center, float radius, int subdivisions,
-                             float thickness = 1);
-        void FillCircle2D(const Color3 &color, const Vector2 &center, float radius, int subdivisions);
-        void OutlineTriangle2D(const Color3 &color, const Triangle2D &tri);
-        void FillTriangle2D(const Color3 &color, const Triangle2D &tri);
-        void FillTexturedTriangle2D();
-        void FillTexturedPolygon2D();
-        void DrawSprite2D();
-        void DrawPartialSprite2D();
-        void DrawString2D(const Color3& color, std::string text, float x, float y, float scale, u32 size = 16);
-        void FillRect2D(const Color3 &color, const Vector2 &pos, const Vector2 &size);
-        void OutlineRect2D       ( const Color3& color, const Vector2& pos, const Vector2& size, float thickness = 1);
-        void FillRoundedRect2D   (const Color3& color, const Vector2& pos, const Vector2& size, float radius);
-        void OutlineRoundedRect2D(const Color3& color, const Vector2& pos, const Vector2& size, float radius, float thickness = 1);
-        void OutlinePolygon2D    (const Color3& color, std::vector<Vector2> points);
-        void FillPolygon2D       (const Color3& color, std::vector<Vector2> points, float thickness = 1);
-        void GradientFillRect2D  ();
-    }
-    namespace J3D {
-        void DrawLine3D(const Color3& color, const Vector3 &A, const Vector3 &B, float thickness = 1);
-        void FillSphere3D(const Color3& color, const Sphere& sphere);
-        void WireframeSphere3D(const Color3& color, const Sphere& sphere, float thickness = 1);
-        void FillOBB3D(const Color3& color, const OBB& obb);
-        void WireframeOBB3D(const Color3& color, const OBB& obb, float thickness = 1);
-        void FillCapsule3D(const Color3& color, const Capsule& capsule);
-        void WireframeCapsule3D(const Color3& color, const Capsule& cap, float thickness = 1);
-        void FillTriangleMesh3D(const Color3& color, const TriangleMesh& mesh);
-        void WireframeTriangleMesh3D(const Color3& color, const TriangleMesh& mesh, float thickness = 1);
-        void DrawString3D(const Color3& color, const std::string& text, const Vector3& pos, float scale, u32 size = 12);
+    /// Specifies a light which is required for every object in the scene.
+    void RequiredLight(const LightBase* light);
 
-        void DrawMatrixGizmo     (const Matrix3x3&, const Vector3&);
-        void DrawMatrixGizmo     (const Matrix4x4&);
-        void DrawAxisAngleGizmo  (const AxisAngle&,  const Vector3&);
-        void DrawQuaternionGizmo (const Quaternion&, const Vector3&);
-    }
+    /// Plots a single pixel on the screen.
+    /// @param color  A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param coordinates The pixel-point on-screen at which to plot the pixel.
+    /// @param radius The size of the point to plot. By default, a single pixel.
+    void DrawPoint(const Color4& color, const Vector2& coordinates, float radius = 1.f);
+    void DrawPoint(const Color4& color, float x, float y, float radius = 1.f);
+
+    /// Plots a series of pixel-points on the screen, in a batch.
+    /// @note This is more performant for multiple points than plotting them individually.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param points A set of x,y points to render.
+    /// @param radius The size of the point to plot. By default, a single pixel.
+    void DrawPoints(const Color4& color, const Vector2* points, int point_count, float radius = 1.f);
+
+    /// Plots a line (segment) on the screen.
+    /// @param color A 3-or-4 channel color value. @see classes Color3, Color4.
+    /// @param A The starting point of the line segment.
+    /// @param B The end point of the line segment.
+    /// @param thickness The width at which to render the line.
+    void DrawLine(const Color4& color, const Vector2& A, const Vector2& B, float thickness = 1);
+    void DrawLine(const Color4& color, float x1, float y1, float x2, float y2, float thickness = 1);
+
+    /// Plots several line segments defined by a series of points to be connected together.
+    /// @param color A 3-or-4 channel color value. @see classes Color3, Color4.
+    /// @param points pointer to the first point in the list.
+    /// @param point_count the number of points to draw.
+    /// @param thickness The width at which to render the line.
+    void DrawLines(const Color4& color, const Vector2* points, const size_t& point_count, float thickness = 1);
+
+    /// Plots a line segment using a series of points separated by a given distance.
+    /// @param color A 3-or-4 channel color value. @see classes Color3, Color4.
+    /// @param A The starting point of the line segment.
+    /// @param B The end point of the line segment.
+    /// @param spacing The distance between each point (px)
+    /// @param thickness The width at which to render the line.
+    /// @note With diagonal lines, the distance between points can differ by one px.
+    void DrawDottedLine(const Color4& color, const Vector2& A, const Vector2& B, float spacing = 1.f, float thickness = 1.f);
+    void DrawDottedLine(const Color4& color, float x1, float y1, float x2, float y2, float spacing = 1.f, float thickness = 1.f);
+
+    /// Plots a line segment using a series of points separated by a given distance.
+    /// @param color A 3-or-4 channel color value. @see classes Color3, Color4.
+    /// @param A The starting point of the line segment.
+    /// @param B The end point of the line segment.
+    /// @param spacing The distance between each point (px)
+    /// @param dash_length The length of each dash making up the line.
+    /// @param thickness The width at which to render the line.
+    /// @note With diagonal lines, the distance between dashes can differ by one px.
+    void DrawDashedLine(const Color4& color, const Vector2& A, const Vector2& B, float spacing = 4.f, float dash_length = 6.f, float thickness = 1.f);
+    void DrawDashedLine(const Color4& color, float x1, float y1, float x2, float y2, float spacing = 4.f, float dash_length = 6.f, float thickness = 1.f);
+
+    /// Draws a line with a color gradient that transitions across it.
+    /// @param color_a A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param color_b A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param A The starting point of the line segment.
+    /// @param B The end point of the line segment.
+    /// @param thickness The width at which to render the line.
+    void DrawGradientLine(const Color4& color_a, const Color4& color_b, const Vector2& A, const Vector2& B, float thickness = 1);
+    void DrawGradientLine(const Color4& color_a, const Color4& color_b, float x1, float y1, float x2, float y2, float thickness = 1);
+
+    /// Draws an outline of a rectangle on the screen.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param pos The top-left corner of the rectangle.
+    /// @param size The width and height of the rectangle.
+    /// @param thickness The width at which to render the lines.
+    void OutlineRect(const Color4& color, const Vector2& pos, const Vector2& size, float thickness = 1);
+
+    /// Draws an outline of a rectangle with rounded corners onto the screen.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param pos The top-left corner of the rectangle.
+    /// @param size The width and height of the rectangle.
+    /// @param radius The corner-rounding radius (in radians).
+    /// @param thickness The width at which to render the lines.
+    void OutlineRoundedRect(const Color4& color, const Vector2& pos, const Vector2& size, float radius = 5, float thickness = 1);
+
+    /// Draws an outline of a rectangle with chamfered corners onto the screen.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param pos The top-left corner of the rectangle.
+    /// @param size The width and height of the rectangle.
+    /// @param radius The corner-rounding radius (in radians).
+    /// @param thickness The width at which to render the lines.
+    void OutlineChamferRect(const Color4& color, const Vector2& pos, const Vector2& size, float radius = 5, float thickness = 1);
+
+    /// Draws a filled rectangle on the screen.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param pos The top-left corner of the rectangle.
+    /// @param size The width and height of the rectangle.
+    /// @see FillRoundedRect, FillGradientRect, FillChamferRect.
+    void FillRect(const Color4& color, const Vector2& pos, const Vector2& size);
+
+    /// Draws a filled rectangle where the color transitions across it.
+    /// @param color1 A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param color2 A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param gradient See enum Direction
+    /// @param pos The top-left corner of the rectangle.
+    /// @param size The width and height of the rectangle.
+    void FillGradientRect(const Color4& color1, const Color4& color2, const Direction& gradient, const Vector2& pos, const Vector2& size);
+
+    /// Draws a filled rectangle with rounded corners on the screen.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param pos The top-left corner of the rectangle.
+    /// @param size The width and height of the rectangle.
+    /// @param radius The corner-rounding radius (in radians).
+    /// @param subdivisions The amount of sub-divisions (and calculations) to be performed per-arc rounding corner.
+    void FillRoundedRect(const Color4& color, const Vector2& pos, const Vector2& size, float radius = 5, unsigned int subdivisions = 8);
+
+    /// Draws a filled rectangle with chamfered (beveled) corners on the screen.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param pos The top-left corner of the rectangle.
+    /// @param size The width and height of the rectangle.
+    /// @param radius The corner-rounding radius (in radians).
+    void FillChamferRect(const Color4& color, const Vector2& pos, const Vector2& size, float radius = 5);
+
+    /// Draws a render-target (runtime-modifiable texture) to the screen.
+    /// @param render_target A RenderTarget instance to be displayed.
+    /// @param position The position at which to render this object from it's center-point, defined by the origin parameter.
+    /// @param rad_rotation The amount of radians to rotate this render-target about it's center-point.
+    /// @param origin The center-point in the image to use for rendering, rotation, and scaling. Top-left is {0,0} and bottom right is {1, 1}.
+    /// @param scale The amount (in both x, and y axis) to scale the image, with {1,1} being default scaling.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param inversion @see Direction
+    void DrawRenderTarget(const RenderTarget& render_target, const Vector2& position, float rad_rotation = 0, const Vector2& origin = Vector2(0 , 0),
+                          const Vector2& scale = Vector2(1, 1), const Color4& color = Colors::White, Direction inversion = Direction::None);
+    void DrawRenderTarget(const RenderTarget* render_target, const Vector2& position, float rad_rotation = 0, const Vector2& origin = Vector2(0 , 0),
+                          const Vector2& scale = Vector2(1, 1), const Color4& color = Colors::White, Direction inversion = Direction::None);
+
+    void DrawPartialRenderTarget(const RenderTarget&, const Vector2& position, const Vector2& sub_texture_position, const Vector2& sub_texture_size, float rad_rotation = 0,
+                           const Vector2& origin = Vector2(0,0), const Vector2& scale = Vector2(1, 1), const Color4& color = Colors::White, Direction inversion = Direction::None);
+    void DrawPartialRenderTarget(const RenderTarget*, const Vector2& position, const Vector2& sub_texture_position, const Vector2& sub_texture_size, float rad_rotation = 0,
+                                 const Vector2& origin = Vector2(0,0), const Vector2& scale = Vector2(1, 1), const Color4& color = Colors::White, Direction inversion = Direction::None);
+
+    /// Draws a sprite (technically, actually a render target) to the screen.
+    /// @note This similar overload exists because we expect someone will be an idiot and turn all of their sprites into RenderTargets. ~william
+    /// @param render_target A RenderTarget instance to be displayed.
+    /// @param position The position at which to render this object from it's center-point, defined by the origin parameter.
+    /// @param rad_rotation The amount of radians to rotate this render-target about it's center-point.
+    /// @param origin The center-point in the image to use for rendering, rotation, and scaling. Top-left is {0,0} and bottom right is {1, 1}.
+    /// @param scale The amount (in both x, and y axis) to scale the image, with {1,1} being default scaling.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param inversion @see Direction
+    /// @see DrawSprite
+    void DrawSprite(const RenderTarget& render_target, const Vector2& position, float rad_rotation = 0, const Vector2& origin = Vector2(0 , 0),
+                    const Vector2& scale = Vector2(1, 1), const Color4& color = Colors::White, Direction inversion = Direction::None);
+    void DrawSprite(const RenderTarget* render_target, const Vector2& position, float rad_rotation = 0, const Vector2& origin = Vector2(0 , 0),
+                    const Vector2& scale = Vector2(1, 1), const Color4& color = Colors::White, Direction inversion = Direction::None);
+
+    /// Draws a sprite to the screen by passing a G̶L̶u̶i̶n̶t̶ JGL Texture that represents a handle to a loaded texture.
+    /// @param texture A texture instance to be displayed.
+    /// @param position The point at which to draw the sprite (from the top-left down).
+    /// @param origin The center point around which the image should have all transformations applied to it.
+    /// @param scale The scale transformation for the image. X and Y axis are independently-scalable.
+    /// @param rad_rotation A float representing the rotation of the sprite where 0 is no rotation and 1 is the maximum rotation (would look the same as 0).
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param inversion @see Direction
+    /// @see class Texture
+    void DrawSprite(const Texture& texture, const Vector2& position, float rad_rotation = 0, const Vector2& origin = Vector2(0,0),
+                    const Vector2& scale = Vector2(1,1), const Color4& color = Colors::White, Direction inversion = Direction::None);
+    void DrawSprite(const Texture* texture, const Vector2& position, float rad_rotation = 0, const Vector2& origin = Vector2(0,0),
+                    const Vector2& scale = Vector2(1,1), const Color4& color = Colors::White, Direction inversion = Direction::None);
+    void DrawSprite(const Texture& texture, float positionX, float positionY, float rad_rotation = 0, float originX = 0, float originY = 0,
+                    float scaleX = 1, float scaleY = 1, const Color4& color = Colors::White, Direction inversion = Direction::None);
+    void DrawSprite(const Texture* texture, float positionX, float positionY, float rad_rotation = 0,
+                    float originX = 0, float originY = 0,float scaleX = 1, float scaleY = 1,
+                    const Color4& color = Colors::White, Direction inversion = Direction::None);
+
+
+    /// Draws a sprite to the screen by passing a G̶L̶u̶i̶n̶t̶ JGL Texture that represents a handle to a loaded texture.
+    /// @param texture A texture instance to be displayed.
+    /// @param alpha_mask A texture which determines how much of the sprite you can see. Grayscale image exported as "8bpc RGBA".
+    /// @param position The point at which to draw the sprite (from the top-left down).
+    /// @param origin The center point around which the image should have all transformations applied to it.
+    /// @param scale The scale transformation for the image. X and Y axis are independently-scalable.
+    /// @param rad_rotation A float representing the rotation of the sprite where 0 is no rotation and 1 is the maximum rotation (would look the same as 0).
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param inversion @see Direction
+    /// @see class Texture
+    void DrawSprite(const Texture& texture, const Texture& alpha_mask, const Vector2& position, float rad_rotation = 0, const Vector2& origin = Vector2(0,0),
+                    const Vector2& scale = Vector2(1,1), const Color4& color = Colors::White, Direction inversion = Direction::None);
+    void DrawSprite(const Texture* texture, const Texture* alpha_mask, const Vector2& position, float rad_rotation = 0, const Vector2& origin = Vector2(0,0),
+                    const Vector2& scale = Vector2(1,1), const Color4& color = Colors::White, Direction inversion = Direction::None);
+    void DrawSprite(const Texture& texture, const Texture& alpha_mask, float positionX, float positionY, float rad_rotation = 0, float originX = 0, float originY = 0,
+                    float scaleX = 1, float scaleY = 1, const Color4& color = Colors::White, Direction inversion = Direction::None);
+    void DrawSprite(const Texture* texture, const Texture* alpha_mask, float positionX, float positionY, float rad_rotation = 0, float originX = 0, float originY = 0,
+                    float scaleX = 1, float scaleY = 1, const Color4& color = Colors::White, Direction inversion = Direction::None);
+
+    /// Draws a piece of a sprite to the screen, similar to DrawSprite.
+    /// @param texture A texture instance to be displayed.
+    /// @param position The point at which to draw the sprite (from the top-left down).
+    /// @param sub_texture_position The top left corner of the sub-texture to be drawn.
+    /// @param sub_texture_size The size of the sub-texture in px.
+    /// @param origin The center point around which the image should have all transformations applied to it.
+    /// @param scale The scale transformation for the image. X and Y axis are independently-scalable.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param inversion @see Direction
+    void DrawPartialSprite(const Texture& texture, const Vector2& position, const Vector2& sub_texture_position, const Vector2& sub_texture_size, float rad_rotation = 0,
+                           const Vector2& origin = Vector2(0,0), const Vector2& scale = Vector2(1, 1), const Color4& color = Colors::White, Direction inversion = Direction::None);
+    void DrawPartialSprite(const Texture* texture, const Vector2& position, const Vector2& sub_texture_position, const Vector2& sub_texture_size, float rad_rotation = 0,
+                           const Vector2& origin = Vector2(0,0), const Vector2& scale = Vector2(1, 1), const Color4& color = Colors::White, Direction inversion = Direction::None);
+    void DrawPartialSprite(const Texture& texture, float positionX, float positionY, float sub_texture_positionX, float sub_texture_positionY, unsigned int sub_texture_sizeX, unsigned int sub_texture_sizeY,
+                           float rad_rotation = 0, float originX = 0, float originY = 0, float scaleX = 1, float scaleY = 1, const Color4& color = Colors::White, Direction inversion = Direction::None);
+    void DrawPartialSprite(const Texture* texture, float positionX, float positionY, float sub_texture_positionX, float sub_texture_positionY, unsigned int sub_texture_sizeX, unsigned int sub_texture_sizeY,
+                           float rad_rotation = 0, float originX = 0, float originY = 0, float scaleX = 1, float scaleY = 1, const Color4& color = Colors::White, Direction inversion = Direction::None);
+
+    /// To save v-ram, Use if a sprite would be identical if mirrored horizontally, vertically, or both. For example, a circle.
+    /// Assumes the input texture is the top left quadrant. You can use "SoftwareTexture" to invert it correctly so that's the case.
+    /// @param texture A texture instance to be displayed.
+    /// @param position The point at which to draw the sprite (from the top-left down).
+    /// @param mirror_axis The axes to mirror across, Vertical and Horizontal or both only.
+    /// @param rad_rotation The rotation of the final result.
+    /// @param origin The point at which transformations are done about.
+    /// @param scale The scale transformation for the image. X and Y axis are independently-scalable.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    void DrawMirrorSprite(const Texture& texture, const Vector2& position, Direction mirror_axis = Direction::Horizontal | Direction::Vertical, float rad_rotation = 0, const Vector2& origin = Vector2(0,0), const Vector2& scale = Vector2(1,1), const Color4& color = Colors::White);
+    void DrawMirrorSprite(const Texture* texture, const Vector2& position, Direction mirror_axis = Direction::Horizontal | Direction::Vertical, float rad_rotation = 0, const Vector2& origin = Vector2(0,0), const Vector2& scale = Vector2(1,1), const Color4& color = Colors::White);
+
+    /// Draws an outline of a circle on the screen.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param center The point in cartesian space at which to draw the circle. This will by-definition be the centroid of this circle.
+    /// @param radius The radius of the circle to be drawn. AKA Half the diameter.
+    /// @param subdivisions The accuracy of the approximation of the circle, measured in iteration steps taken.
+    /// @param thickness The line-width of the circle to be rendered at.
+    void OutlineCircle(const Color4& color, const Vector2& center, float radius, unsigned int subdivisions = 16, float thickness = 1);
+
+    /// Draws a filled circle on the screen.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param center The point in cartesian space at which to draw the circle. This will by-definition be the centroid of this circle.
+    /// @param radius The radius of the circle to be drawn. AKA Half the diameter.
+    /// @param subdivisions The accuracy of the approximation of the circle, measured in iteration steps taken.
+    void FillCircle(const Color4& color, const Vector2& center, float radius, unsigned int subdivisions = 8);
+
+    /// Draws an outline of a triangle on the screen.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param tri The triangle defined by its vertices (A, B, and C).
+    /// @param thickness The line-width of the triangle to be rendered at.
+    void OutlineTriangle(const Color4& color, const Triangle2D& tri, float thickness = 1);
+    void OutlineTriangle(const Color4& color, const Vector2& triA, const Vector2& triB, const Vector2& triC, float thickness = 1);
+
+    /// Draws a filled triangle on the screen.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param tri The triangle defined by its vertices (A, B, and C).
+    void FillTriangle(const Color4& color, const Triangle2D& tri);
+    void FIllTriangle(const Color4& color, const Vector2& triA, const Vector2& triB, const Vector2& triC);
+
+    /// Fills a triangle defined by the provided vertices with a gradient that transitions smoothly between the three specified colors at each corner.
+    /// @param a_color The color at vertex A of the triangle.
+    /// @param b_color The color at vertex B of the triangle.
+    /// @param c_color The color at vertex C of the triangle.
+    /// @param tri The triangle defined by its vertices (A, B, and C).
+    void FillGradientTriangle(const Color4& a_color, const Color4& b_color, const Color4& c_color, const Triangle2D& tri);
+    void FillGradientTriangle(const Color4& a_color, const Color4& b_color, const Color4& c_color, const Vector2& tri_a, const Vector2& tri_b, const Vector2& tri_c);
+
+    /// Draws a smooth, curved line segment between two control points, with the curve controlled by the two inner points.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param controlA The first control point, which can be considered the start of the line.
+    /// @param pointA The first inner point, which controls the contour of the curve.
+    /// @param pointB The second inner point, which controls the contour of the curve.
+    /// @param controlB The second control point, which can be considered the end of the line.
+    /// @param subdivisions The accuracy of the approximation of the curve, measured in iteration steps taken.
+    /// @param thickness The line-width to draw the curve with.
+    /// @see J3ML::Algorithm::Bezier
+    void DrawCubicBezierCurve(const Color4& color, const Vector2& controlA, const Vector2& pointA, const Vector2& pointB, const Vector2& controlB,
+                              int subdivisions = 10, float thickness = 1);
+
+    /// Draws a series of points where the last point always connects to the first point.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param points The array of vector2's to draw as a polygon.
+    /// @param point_count The number of points
+    /// @param thickness The line-width of the polygon
+    void OutlinePolygon(const Color4& color, const Vector2* points, int point_count, float thickness = 1);
+
+    /// Draws a text string on the screen with a given point-size and font.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param text The text to be rendered.
+    /// @param x The position on the screen at which to draw the text, from the top-left.
+    /// @param y The position on the screen at which to draw the text, from the top-left.
+    /// @param scale The value (in both axes) to scale the text by. Defaults to {1,1}.
+    /// @param size The point-size at which to render the font out. Re-using the same point-size allows efficient glyph caching.
+    /// @param font The font to use for rendering. @see Font.
+    void DrawString(const Color4& color, const std::string& text, float x, float y, float scale, u32 size, const Font& font = Fonts::Jupiteroid);
+
+
+    /// Draws an Arc (section of a circle) to the screen.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param center The point in cartesian space at which to draw the arc. This will by-definition be the centroid of this partial circle.
+    /// @param radius The radius of the partial circle to be drawn. AKA Half the diameter.
+    /// @param arc_begin The point (0 - 2pi) around a unit-circle of which to start the arc.
+    /// @param arc_end The point (0 - 2pi) around a unit-circle of which to start the arc.
+    /// @param subdivisions The accuracy of the approximation of the circle, measured in iteration steps taken.
+    /// @param thickness The line-width to draw the arc with.
+    void DrawArc(const Color4& color, const Vector2& center, float radius, float arc_begin, float arc_end,
+                 unsigned int subdivisions, float thickness);
+
+
+    /// TODO Implement the following. These ones are going to be extremely annoying.
+    void FillPolygon(const Color4& color, const std::vector<Vector2>& points);
+    void OutlineEllipse(const Color4& color, const Vector2& position, float radius_x, float radius_y, float thickness = 1, int subdivisions = 8);
+    void FillEllipse(const Color4& color, const Vector2& position, float radius_x, float radius_y, int subdivisions = 8);
+
+    void BatchFillRect(const Color4* colors, const Vector2* positions, const Vector2* sizes, const size_t& rect_count);
+
+    void BatchFillCircle(const Color4 *colors, const Vector2* positions, float* radii, unsigned int subdivisions, const size_t& circle_count);
+}
+
+/// Drawing functions for 3D objects.
+namespace JGL::J3D {
+    /// A light for this 3D render that should never be culled out. up-to 8.
+    /// The more you put here, The less we will solve for if you're also using LightArray.
+    /// @note More than 8 lights will cause an error to be printed.
+    void RequiredLight(const LightBase* light);
+
+    /// When each 3D object is drawn, We'll do our best to determine which lights would effect it the most and use those ones.
+    void OptionalLights(const LightBase** lights, const size_t& light_count);
+
+    /// Helper function to conveniently change the Field-Of-View.
+    void ChangeFOV(float fov);
+
+    /// Helper function to change the far-plane, which is the cutoff distance for rendering.
+    void ChangeFarPlane(float far_plane);
+
+    /// Open a 3-D rendering context with the underlying graphics system (In this case&  by default OpenGL).
+    /// It is recommended to always open a JGL 3D context to render your content, then close when completed.
+    /// @param two_pass Whether or not we'll use two-pass rendering for occlusion.
+    void Begin(bool two_pass = false);
+
+    /// Closes a 3-D rendering context with the underlying graphics system (In this case&  by default OpenGL).
+    /// @see Begin().
+    void End();
+
+    void SetMatrix(const std::vector<GLfloat>& matrix, const Vector2& window_size);
+
+    /// Draws a line in 3D space.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param A The start-point of the line segment.
+    /// @param B The end-point of the line segment.
+    /// @param thickness The line-width to draw the line segment with.
+    void DrawLine(const Color4& color, const Vector3& A, const Vector3& B, float thickness = 1.f);
+
+    /// Draws a smooth, curved line segment between two control points, with the curve controlled by the two inner points.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param controlA The first control point, which can be considered the start of the line.
+    /// @param pointA The first inner point, which controls the contour of the curve.
+    /// @param pointB The second inner point, which controls the contour of the curve.
+    /// @param controlB The second control point, which can be considered the end of the line.
+    /// @param subdivisions The accuracy of the approximation of the curve, measured in iteration steps taken.
+    /// @param thickness The line-width to draw the curve with.
+    /// @see J3ML::Algorithm::Bezier
+    void DrawCubicBezierCurve(const Color4& color, const Vector3& controlA, const Vector3& pointA, const Vector3& pointB, const Vector3& controlB,
+                                  int subdivisions = 10, float thickness = 1);
+
+    /// Draws the outline of an Icosahedron in 3D space.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param position The point in 3D space at which to draw the Icosahedron.
+    /// @param radius The size to draw the Icosahedron at.
+    /// @param thickness The line-width to draw the Icosahedron outline with.
+    void WireframeIcosahedron(const Color4& color, const Vector3& position, float radius, float thickness = 1.f);
+
+    /// Draws a solid Icosahedron in 3D space.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param position The point in 3D space at which to draw the Icosahedron.
+    /// @param radius The size to draw the Icosahedron at.
+    void FillIcosahedron(const Color4& color, const Vector3& position, float radius);
+
+    /// Draws the outline of a Sphere in 3D space.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param position The point in 3D space at which to draw the Sphere.
+    /// @param radius The size to draw the Sphere at.
+    /// @param thickness The line-width to draw the Icosahedron outline with.
+    /// @param sectors The amount of latitudinal subdivisions to perform when computing the sphere.
+    /// @param stacks The amount of longitudinal subdivisions to perform when computing the sphere.
+    void WireframeSphere(const Color4& color, const Vector3& position, float radius, float thickness = 1.f,  unsigned int sectors = 10, unsigned int stacks = 10);
+
+    /// Draws the outline of a Sphere in 3D space.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param sphere The mathematically-defined sphere object to be rendered.
+    /// @param thickness The line-width to draw the Icosahedron outline with.
+    /// @param sectors The amount of latitudinal subdivisions to perform when computing the sphere.
+    /// @param stacks The amount of longitudinal subdivisions to perform when computing the sphere.
+    void WireframeSphere(const Color4& color, const Sphere& sphere, float thickness = 1.f, unsigned int sectors = 10, unsigned int stacks = 10);
+
+    /// Draws outlines of multiple spheres in 3D space.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param spheres The mathematically-defined sphere objects to be rendered.
+    /// @param sphere_count The number of spheres.
+    /// @param thickness The line-width to draw the Icosahedron outline with.
+    /// @param sectors The amount of latitudinal subdivisions to perform when computing the sphere.
+    /// @param stacks The amount of longitudinal subdivisions to perform when computing the sphere.
+    /// @note The "Position" of the spheres is expected to be in world space.
+    void BatchWireframeSphere(const Color4& color, const Sphere* spheres, const size_t& sphere_count, float thickness = 1.f, unsigned int sectors = 10, unsigned int stacks = 10);
+
+    /// Draws outlines of a sphere in 3D space. Calculates a cross section and revolves it around the center.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param position The point in 3D space at which to draw the Sphere.
+    /// @param radius The size to draw the Sphere at.
+    /// @param thickness The line-width to draw the Icosahedron outline with.
+    /// @param sectors The amount of latitudinal subdivisions to perform when computing the sphere.
+    /// @param revolutions The number of times to revolve the cross section about the center.
+    /// @param draw_stacks Whether or not to draw the stacks of the sphere.
+    void WireframeRevoSphere(const Color4& color, const Vector3& position, float radius, float thickness = 1.f, unsigned int sectors = 10, unsigned int revolutions = 10, bool draw_stacks = false);
+
+    /// Draws the outline of a Sphere in 3D space.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param sphere The mathematically-defined sphere object to be rendered.
+    /// @param thickness The line-width to draw the Icosahedron outline with.
+    /// @param sectors The amount of latitudinal subdivisions to perform when computing the sphere.
+    /// @param revolutions The number of times to revolve the cross section about the center.
+    /// @param draw_stacks Whether or not to draw the stacks of the sphere.
+    void WireframeRevoSphere(const Color4& color, const Sphere& sphere, float thickness = 1.f, unsigned int sectors = 10, unsigned int revolutions = 10, bool draw_stacks = false);
+
+    /// Draws outlines of multiple spheres in 3D space. Calculates a cross section and revolves it around the center.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param spheres The mathematically-defined sphere objects to be rendered.
+    /// @param sphere_count The number of spheres.
+    /// @param thickness The line-width to draw the Icosahedron outline with.
+    /// @param sectors The amount of latitudinal subdivisions to perform when computing the sphere.
+    /// @param revolutions The number of times to revolve the cross section about the center.
+    /// @param draw_stacks Whether or not to draw the stacks of the sphere.
+    /// @note The "Position" of the spheres is expected to be in world space.
+    /// @note This method of drawing a sphere is *probably* the fastest out of all of them.
+    void BatchWireframeRevoSphere(const Color4& color, const Sphere* spheres, const size_t& sphere_count, float thickness = 1.f, unsigned int sectors = 10, unsigned int revolutions = 10, bool draw_stacks = false);
+
+    /// Draws the outline of an Icosphere in 3D space.
+    /// @note An Icosphere is an approximation of a sphere that is generated by recursively subdividing an Icosahedron.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param position The point in 3D space at which to draw the Sphere.
+    /// @param radius The size to draw the Sphere at.
+    /// @param thickness The line-width to draw the Icosahedron outline with.
+    /// @param subdivisions The accuracy of the approximation of the Icosphere, measured in iteration steps taken.
+    void WireframeIcosphere(const Color4& color, const Vector3& position, float radius, float thickness = 1.f, unsigned int subdivisions = 10);
+
+    /// Draws the outline of an Icosphere in 3D space.
+    /// @note An Icosphere is an approximation of a sphere that is generated by recursively subdividing an Icosahedron.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param sphere The mathematically-defined sphere object to be rendered.
+    /// @param thickness The line-width to draw the Icosphere outline with.
+    /// @param subdivisions The accuracy of the approximation of the Icosphere, measured in iteration steps taken.
+    void WireframeIcosphere(const Color4& color, const Sphere& sphere, float thickness = 1.f, unsigned int subdivisions = 10);
+
+    /// Draws the outline of a Cubesphere in 3D space.
+    /// @note A Cubesphere is an approximation of a sphere that is generated by recursively subdividing a Cube.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param position The point in 3D space at which to draw the Sphere.
+    /// @param radius The size to draw the Sphere at.
+    /// @param thickness The line-width to draw the Cubesphere outline with.
+    /// @param subdivisions The accuracy of the approximation of the Cubesphere, measured in iteration steps taken.
+    void WireframeCubesphere(const Color4& color, const Vector3& position, float radius, float thickness = 1.f, unsigned int subdivisions = 10);
+
+    /// Draws the outline of a Cubesphere in 3D space.
+    /// @note A Cubesphere is an approximation of a sphere that is generated by recursively subdividing a Cube.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param sphere The mathematically-defined sphere object to be rendered.
+    /// @param thickness The line-width to draw the Cubesphere outline with.
+    /// @param subdivisions The accuracy of the approximation of the Cubesphere, measured in iteration steps taken.
+    void WireframeCubesphere(const Color4& color, const Sphere& sphere, float thickness = 1.f, unsigned int subdivisions = 10);
+
+    /// Draws a solid Sphere in 3D space.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param position The point in 3D space at which to draw the Sphere.
+    /// @param radius The size to draw the Sphere at.
+    /// @param sectors The amount of latitudinal subdivisions to perform when computing the sphere.
+    /// @param stacks The amount of longitudinal subdivisions to perform when computing the sphere.
+    void FillSphere(const Color4& color, const Vector3& position, float radius, unsigned int sectors = 10, unsigned int stacks = 10);
+
+    /// Draws a solid Sphere in 3D space.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param sphere The mathematically-defined sphere object to be rendered.
+    /// @param sectors The amount of latitudinal subdivisions to perform when computing the sphere.
+    /// @param stacks The amount of longitudinal subdivisions to perform when computing the sphere.
+    void FillSphere(const Color4& color, const Sphere& sphere, unsigned int sectors = 10, unsigned int stacks = 10);
+
+    /// Draws multiple solid Spheres in 3D space.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param spheres The mathematically-defined sphere objects to be rendered.
+    /// @param sphere_count The number of spheres to be rendered.
+    /// @param sectors The amount of latitudinal subdivisions to perform when computing the sphere.
+    /// @param stacks The amount of longitudinal subdivisions to perform when computing the sphere.
+    void BatchFillSphere(const Color4& color, const Sphere* spheres, const size_t& sphere_count, unsigned int sectors = 10, unsigned int stacks = 10);
+
+    /// Draws a solid Icosphere in 3D space.
+    /// @note An Icosphere is an approximation of a sphere that is generated by recursively subdividing an Icosahedron.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param position The point in 3D space at which to draw the Sphere.
+    /// @param radius The size to draw the Sphere at.
+    /// @param subdivisions The accuracy of the approximation of the Cubesphere, measured in iteration steps taken.
+    void FillIcosphere(const Color4& color, const Vector3& position, float radius, unsigned int subdivisions = 10);
+
+    /// Draws a solid Icosphere in 3D space.
+    /// @note An Icosphere is an approximation of a sphere that is generated by recursively subdividing an Icosahedron.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param sphere The mathematically-defined sphere object to be rendered.
+    /// @param subdivisions The accuracy of the approximation of the Cubesphere, measured in iteration steps taken.
+    void FillIcosphere(const Color4& color, const Sphere& sphere, unsigned int subdivisions = 10);
+
+    /// Draws a solid Cubesphere in 3D space.
+    /// @note A Cubesphere is an approximation of a sphere that is generated by recursively subdividing a Cube.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param position The point in 3D space at which to draw the Sphere.
+    /// @param radius The size to draw the Sphere at.
+    /// @param subdivisions The accuracy of the approximation of the Cubesphere, measured in iteration steps taken.
+    void FillCubesphere(const Color4& color, const Vector3& position, float radius, unsigned int subdivisions = 10);
+
+    /// Draws a solid Cubesphere in 3D space.
+    /// @note A Cubesphere is an approximation of a sphere that is generated by recursively subdividing a Cube.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param sphere The mathematically-defined sphere object to be rendered.
+    /// @param subdivisions The accuracy of the approximation of the Cubesphere, measured in iteration steps taken.
+    void FillCubesphere(const Color4& color, const Sphere& sphere, unsigned int subdivisions = 10);
+
+    /// Draws an outline of an axis-aligned bounding box in 3D space.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param pos The point in 3D space that is the center of the AABB.
+    /// @param radii The radii along x,y,z axes to size the bounding box.
+    /// @param thickness The line-width to draw the Icosphere outline with.
+    void WireframeAABB(const Color4& color, const Vector3& pos, const Vector3& radii, float thickness = 1.f);
+
+    /// Draws an outline of an axis-aligned bounding box in 3D space.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param aabb The AABB object to render.
+    /// @param thickness The line-width to draw the Icosphere outline with.
+    void WireframeAABB(const Color4& color, const AABB& aabb, float thickness = 1.f);
+
+    /// Draws outlines of multiple axis-aligned bounding-boxes in 3D space.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param boxes The boxes to be drawn.
+    /// @param box_count The number of boxes to be drawn.
+    /// @param thickness The line-width to draw the Icosahedron outline with.
+    void BatchWireframeAABB(const Color4& color, const AABB* boxes, const size_t& box_count, float thickness = 1.f);
+
+    /// Draws a solid axis-aligned bounding box in 3D space.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param pos The point in 3D space that is the center of the AABB.
+    /// @param radii The radii along x,y,z axes to size the bounding box.
+    void FillAABB(const Color4& color, const Vector3& pos, const Vector3& radii);
+
+    /// Draws a solid axis-aligned bounding box in 3D space.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param aabb The AABB object to visualize.
+    void FillAABB(const Color4& color, const AABB& aabb);
+
+    /// Draws solid axis-aligned bounding boxes in 3D space.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param aabb The AABB objects to visualize.
+    /// @param box_count The number of AABBs to draw.
+    void BatchFillAABB(const Color4& color, const AABB* boxes, const size_t& box_count);
+
+    /// Draws an outline of an oriented bounding box in 3D space.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param position The point in 3D space that is the center of the AABB.
+    /// @param radii The radii along x,y,z axes to size the bounding box.
+    /// @param orientation The rotation in 3D space of the OBB.
+    /// @param thickness The line-width to draw the OBB outline with.
+    void WireframeOBB(const Color4& color, const Vector3& position, const Vector3& radii, const Matrix3x3& orientation, float thickness = 1.f);
+
+    /// Draws an outline of an oriented bounding box in 3D space.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param obb The OBB object to visualize.
+    /// @param thickness The line-width to draw the OBB outline with.
+    void WireframeOBB(const Color4& color, const OBB& obb, float thickness = 1.f);
+
+    void BatchWireframeOBB(const Color4& color, const OBB* boxes, const size_t& box_count, float thickness = 1.f);
+
+    /// Draws a solid oriented bounding box in 3D space.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param position The center-position of the oriented bounding box.
+    /// @param radii The radii along x,y,z axes to size the bounding box.
+    /// @param orientation The rotation in 3D space of the OBB.
+    void FillOBB(const Color4& color, const Vector3& position, const Vector3& radii, const EulerAngleXYZ& orientation);
+
+    /// Draws a solid oriented bounding box in 3D space.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param obb The oriented-bounding-box object to visualize.
+    void FillOBB(const Color4& color, const OBB& obb);
+
+    void WireframeCylinder();
+    void FillCylinder();
+    void WireframePrism();
+    void FillPrism();
+    void WireframePipe();
+    void FillPipe();
+    void WireframeCone();
+    void FillCone();
+    void WireframeTorus();
+    void FillTorus();
+
+    void FillCapsule(const Color3& color, const Capsule& capsule);
+    void WireframeCapsule(const Color3& color, const Capsule& cap, float thickness = 1.f);
+    void FillTriangleMesh(const Color3& color, const TriangleMesh& mesh);
+    void WireframeTriangleMesh(const Color3& color, const TriangleMesh& mesh, float thickness = 1.f);
+
+    /// Draws a string of text in 3D space, with an arbitrary rotation.
+    /// @param color A 3-or-4 channel color value. @see class Color3, class Color4
+    /// @param text The content to display on the screen.
+    /// @param pos The position in 3D space to display the text.
+    /// @param scale The scaling factor to render the text with, 1 being default. TODO: Vector2 scaling?
+    /// @param size The pixel size to rasterize the font with.
+    /// @param font The font object to use when drawing.
+    /// @param angle The orientation in 3D space.
+    /// @param draw_back_face
+    void DrawString(const Color4& color, const std::string& text, const Vector3& pos, float scale, u32 size, const Font& font = Fonts::Jupiteroid, const EulerAngleXYZ& angle = {0, 0, 0}, bool draw_back_face = false);
+
+    void DrawVertexArray(const Color4& color, const VertexArray& vertex_array, const Vector3& position);
+    /// Draws a string of text in 3D space that is always facing the exact direction of the camera projection.
+    void DrawBillboardString();
+
+    /// Draws a texture sprite in 3D space that is always facing the exact direction of the camera projection.
+    void DrawBillboardSprite();
+
+    void DrawSprite();
+    void DrawMatrixGizmo     (const Matrix3x3&, const Vector3&);
+    void DrawMatrixGizmo     (const Matrix4x4&);
+    void DrawAxisAngleGizmo  (const AxisAngle&,  const Vector3&);
+    void DrawQuaternionGizmo (const Quaternion&, const Vector3&);
 }

include/JGL/logger/logger.h

@@ -0,0 +1,12 @@
+#pragma once
+
+#include <jlog/Logger.hpp>
+
+namespace JGL::Logger {
+    using namespace jlog;
+
+    extern GenericLogger Fatal;
+    extern GenericLogger Debug;
+    extern GenericLogger Error;
+
+}

include/JGL/types/Enums.h

@@ -0,0 +1,90 @@
+#pragma once
+
+namespace JGL {
+    enum class Direction : u8 {
+        None = 0,
+        Vertical = 1,
+        Horizontal = 2,
+        Diagonal_NWSE = 3, // North West -> South East.
+        Diagonal_SWNE = 4 // South West -> North East.
+    };
+
+    inline Direction operator|(Direction a, Direction b) {
+        return static_cast<Direction>(static_cast<int>(a) | static_cast<int>(b));
+    }
+
+    inline bool operator&(Direction a, Direction b) {
+        return (u8)a & (u8)b;
+    }
+
+    static std::string to_string(const JGL::Direction& direction) {
+        switch (direction) {
+            case JGL::Direction::None:
+                return "None";
+            case JGL::Direction::Vertical:
+                return "Vertical";
+            case JGL::Direction::Horizontal:
+                return "Horizontal";
+            case JGL::Direction::Diagonal_NWSE:
+                return "Diagonal_NWSE";
+            case JGL::Direction::Diagonal_SWNE:
+                return "Diagonal_SWNE";
+            default:
+                return "Unknown";
+        }
+    }
+
+    enum class MSAA_SAMPLE_RATE : u8 {
+        MSAA_NONE = 0,
+        MSAA_2X = 1,
+        MSAA_4X = 2,
+        MSAA_8X = 3
+    };
+
+    enum class FilteringMode : u8 {
+        NEAREST = 0, // Fastest for 2D, Sometimes causes graphical issues.
+        BILINEAR = 1, // Fast and pretty, The best for 2D.
+
+        MIPMAP_NEAREST = 2, // Nearest with mipmaps. The fastest for 3D, Sometimes causes graphical issues. Uses more vram.
+        MIPMAP_BILINEAR = 3, // Bilinear with mipmaps, Fast and pretty. Uses more vram.
+        MIPMAP_TRILINEAR = 4 // The prettiest. Still decent speed. Uses more vram.
+    };
+
+    enum class WrappingMode : u8 {
+        REPEAT = 0,
+        MIRRORED_REPEAT = 1,
+        CLAMP_TO_EDGE = 2,
+        CLAMP_TO_BORDER = 3 // Effectively the same as clamp_to_edge
+    };
+
+    enum class ColorFormat : bool { RGB = false, RGBA = true };
+
+    static std::string to_string(const JGL::MSAA_SAMPLE_RATE& sample_rate) {
+        switch (sample_rate) {
+            case MSAA_SAMPLE_RATE::MSAA_NONE:
+                return "No MSAA";
+            case MSAA_SAMPLE_RATE::MSAA_2X:
+                return "MSAA 2x";
+            case MSAA_SAMPLE_RATE::MSAA_4X:
+                return "MSAA 4x";
+            case MSAA_SAMPLE_RATE::MSAA_8X:
+                return "MSAA 8x";
+            default:
+                return "Unknown";
+        }
+    }
+    static int to_int(const JGL::MSAA_SAMPLE_RATE& sample_rate) {
+        switch (sample_rate) {
+            case MSAA_SAMPLE_RATE::MSAA_NONE:
+                return 0;
+            case MSAA_SAMPLE_RATE::MSAA_2X:
+                return 2;
+            case MSAA_SAMPLE_RATE::MSAA_4X:
+                return 4;
+            case MSAA_SAMPLE_RATE::MSAA_8X:
+                return 8;
+            default:
+                return 0;
+        }
+    }
+}

include/JGL/types/Font.h

@@ -0,0 +1,39 @@
+#pragma once
+
+#include <vector>
+#include <filesystem>
+#include <J3ML/LinearAlgebra.hpp>
+#include <filesystem>
+#include <iostream>
+
+
+/// Defines external C references to FreeType Data Structures
+extern "C" typedef struct FT_FaceRec_* FT_Face;
+extern "C" typedef struct FT_LibraryRec_* FT_Library;
+
+namespace JGL
+{
+    bool InitTextEngine();
+
+    /// A Font class implementation.
+    /// Wraps the font's FreeType asset handle and provides helper functions.
+    class Font {
+    public:
+        /// Default constructor does not initialize any members
+        Font() = default;
+        explicit Font(const std::filesystem::path& path);
+        Font(const unsigned char* data, const size_t& size);
+        /// Destructor handles freeing of the underlying asset handle.
+        ~Font();
+        static Font LoadTTF(const std::filesystem::path& filepath);
+        static std::vector<Font> GetLoadedFonts();
+        /// Returns the bounding-box the given string would occupy at the given point-size, assuming normal (1) scaling.
+        /// @param text The string to measure.
+        /// @param ptSize The font size at which to measure.
+        /// @return The size-in-pixels that would contain the entire text.
+        Vector2 MeasureString(const std::string& text, unsigned int ptSize);
+    public:
+        int index = 0;
+        FT_Face face = nullptr;
+    };
+}

include/JGL/types/FontCache.h

@@ -0,0 +1,70 @@
+#pragma once
+
+#include <glad/glad.h>
+#include <vector>
+#include <array>
+#include <unordered_map>
+
+
+/// TODO: FontCache mechanism works amazing, but makes no fucking sense
+/// Let's document and reorganize it to be a little nicer on the mental :)
+
+namespace JGL {
+    class CachedGlyph;
+    class CachedFont;
+    class FontCache;
+}
+
+/// Represents a single font-character "glyph", that has been cached in-memory for fast retrieval.
+class JGL::CachedGlyph {
+private:
+    char character;
+    std::array<GLfloat, 12> texcoords;
+public:
+    int x2offset = 0, y2offset = 0, w = 0, h = 0;
+    float advanceX = 0, advanceY = 0;
+
+    //CachedGlyph(GLuint texture_id, char c);
+    CachedGlyph(char c, std::array<GLfloat, 12> texcoords, float x2o, float y2o, float w, float h, float advX, float advY);
+    char getCharacter() const;
+    [[nodiscard]] std::array<GLfloat, 12> getTexCoords() const;
+};
+
+/// Represents a Font object as it exists in the font-cache.
+class JGL::CachedFont {
+private:
+    std::unordered_map<char, CachedGlyph*> glyphs;
+    GLuint texture = 0;
+    GLsizei texture_width = 0, texture_height = 0;
+    unsigned int font_size = 0;
+    unsigned int font_index = 0;
+    void Erase();
+public:
+    void appendGlyph(CachedGlyph* glyph);
+    unsigned int getFontSize() const;
+    unsigned int getFontIndex() const;
+    CachedGlyph* getGlyph(char c);
+    std::unordered_map<char, CachedGlyph*> getGlyphs();
+    const GLuint* getTextureHandle();
+    [[nodiscard]] GLsizei getTextureWidth() const;
+    [[nodiscard]] GLsizei getTextureHeight() const;
+public:
+    CachedFont(GLuint texture_id, GLsizei texture_width, GLsizei texture_height, unsigned int font_size, unsigned int font_index);
+    ~CachedFont();
+};
+
+class JGL::FontCache {
+private:
+    std::vector<CachedFont*> cachedFonts{};
+public:
+    std::vector<CachedFont*> getFonts();
+    CachedFont* getFont(unsigned int font_size, unsigned int font_index);
+    void appendFont(CachedFont* font);
+    void newFont(GLuint texture_id, GLsizei texture_width, GLsizei texture_height, unsigned int font_size, unsigned int font_index);
+    void eraseFont(CachedFont* font);
+    void purgeCache();
+};
+
+namespace JGL {
+    inline FontCache fontCache;
+}

include/JGL/types/Light.h

@@ -0,0 +1,70 @@
+#pragma once
+#include <J3ML/LinearAlgebra/Vector4.hpp>
+#include <J3ML/LinearAlgebra/Vector3.hpp>
+#include <J3ML/LinearAlgebra/DirectionVector.hpp>
+#include <J3ML/Geometry/Frustum.hpp>
+#include <Color4.hpp>
+
+namespace JGL {
+    class LightBase;
+    class PointLight;
+    class SpotLight;
+}
+
+// TODO this can be consolidated.
+class JGL::LightBase {
+protected:
+    /* The 4th number represents whether the light is a positional light.
+     * In OpenGL, You can have positional lights, Like Point Lights or Spot Lights,
+     * Or global lights, Like the sun. */
+    Vector4 position = {0, 0, 0, 1};
+    Color4 ambient = {0, 0, 0, 0};
+    Color4 diffuse = {0, 0, 0, 0};
+    Color4 specular = {0, 0, 0, 0};
+
+    float constant_attenuation = 1;
+    float linear_attenuation = 0;
+    float quadratic_attenuation = 0;
+public:
+    [[nodiscard]] Vector4 GetPosition() const;
+    [[nodiscard]] Color4 GetAmbient() const;
+    [[nodiscard]] Color4 GetDiffuse() const;
+    [[nodiscard]] Color4 GetSpecular() const;
+
+    [[nodiscard]] float GetConstantAttenuation() const;
+    [[nodiscard]] float GetLinearAttenuation() const;
+    [[nodiscard]] float GetQuadraticAttenuation() const;
+public:
+    /// Runs a calculation to determine the lights influence on a given point in 3D space.
+    /// @note 0 would be no impact, 1 would be the light is at the same position.
+    [[nodiscard]] virtual float GetAttenuationAtPosition(const Vector3& pos) const { return 0; }
+public:
+    virtual ~LightBase() = default;
+};
+
+/// Omni-directional lights.
+class JGL::PointLight : public LightBase {
+public:
+    [[nodiscard]] float GetAttenuationAtPosition(const Vector3& pos) const final;
+public:
+    PointLight(const Vector3& position, const Color4& ambient, const Color4& diffuse, const Color4& specular, float constant_attenuation = 1, float linear_attenuation = 0, float quadratic_attenuation = 0);
+};
+
+/// Lights which only effect things in a given cone.
+// TODO get attenuation at position for this.
+class JGL::SpotLight : public LightBase {
+protected:
+    Matrix3x3 orientation;
+    float exponent;
+    float cut;
+public:
+    /// Create a spotlight in 3D space.
+    /// @param position The position of the light in 3D space.
+    /// @param ro_mat Orientation of the light in 3D space.
+    /// @param cone_size_degrees The size of the cone.
+    /// @param exponent How focused the beam should be, Higher is more focused, Lower is less.
+    /// @param ambient How much this light should effect the ambient light of the scene.
+    /// @param diffuse
+    /// @param specular How much this light should effect specular highlights of objects being influenced by it.
+    SpotLight(const Vector3& position, const Matrix3x3& ro_mat, float cone_size_degrees, float exponent, const Color4& ambient, const Color4& diffuse, const Color4& specular, float constant_attenuation = 1, float linear_attenuation = 0, float quadratic_attenuation = 0);
+};

include/JGL/types/Material.h

@@ -0,0 +1,19 @@
+/// A simple wrapper for OpenGL materials. Lets you set things such as the "shininess" of your elements.
+
+#include <Color4.hpp>
+#include <glad/glad.h>
+namespace JGL {
+    class Material;
+}
+class JGL::Material {
+public:
+    Color4 ambient_ref;
+    Color4 diffuse_ref;
+    Color4 specular_ref;
+    Color4 emission;
+    float shininess;
+public:
+    Material(const Color4& ambient_reflection, const Color4& diffuse_reflection, const Color4& specular_reflection, const Color4& light_emission, float& shine);
+    /// @param material Material to use.
+    static void SetActiveMaterial(const Material& material);
+};

include/JGL/types/RenderTarget.h

@@ -0,0 +1,126 @@
+#pragma once
+#include <vector>
+#include <glad/glad.h>
+#include <Color4.hpp>
+#include <Colors.hpp>
+#include <JGL/types/Enums.h>
+#include <J3ML/LinearAlgebra/Vector2i.hpp>
+
+namespace JGL {
+    class RenderTarget;
+    class Texture;
+}
+
+using J3ML::LinearAlgebra::Vector2i;
+class JGL::RenderTarget {
+private:
+    Color4 clear_color{0,0,0,0};
+    Vector2i size{0, 0};
+    bool using_depth = false;
+    bool texture_created_by_us = false;
+    GLuint framebuffer_object = 0;
+    GLuint depth_buffer = 0;
+    const Texture* texture = nullptr;
+    MSAA_SAMPLE_RATE msaa_sample_rate = MSAA_SAMPLE_RATE::MSAA_NONE;
+    GLuint msaa_framebuffer_object = 0;
+    GLuint msaa_depth_buffer = 0;
+    GLuint msaa_render_buffer = 0;
+    void Erase();
+public:
+    /// @returns The Render Target currently in use by OpenGL.
+    /// @note Zero is the screen.
+    static GLuint GetActiveGLFramebufferHandle();
+
+    /// Changes the Render Target that OpenGL will draw on.
+    /// @param render_target The new Render Target for OpenGL to draw on.
+    static void SetActiveGLRenderTarget(const RenderTarget& render_target);
+
+    /// Changes the size of the renderable area of this Render Target.
+    /// @param new_size new width & height in pixels.
+    /// @note The data stored in this Render Target will be lost.
+    void Resize(const Vector2i& new_size);
+
+    /// Sets the MSAA mode for this Render Target.
+    /// @returns false if the mode isn't available, true for success.
+    [[nodiscard]] bool SetMSAAEnabled(MSAA_SAMPLE_RATE sample_rate);
+
+    /// If you're using MSAA and not using J2D || J3D Begin & End you must do this.
+    void MSAABlit() const;
+
+    void RegenerateMipMaps();
+    /// Copy one Render Target onto another. Will break if they're not the same size.
+    // TODO support different sizes. If the destination is too small fix it for them but log a warning.
+    static void Blit(const RenderTarget& source, RenderTarget* destination, const Vector2i& position = {0, 0});
+
+    /// Plots a single pixel onto a Render Target.
+    /// @param color The color to render.
+    /// @param position The position in the destination to draw the pixel.
+    /// @param destination The destination RenderTarget.
+    static void Blit(const Color4& color, const Vector2i& position, RenderTarget* destination);
+
+    /// Blit an input texture onto this render target at the given position.
+    /// @param source Source texture.
+    /// @param destination Render Target to draw on.
+    /// @param position Where in the destination to draw.
+    static void Blit(const Texture* source, RenderTarget* destination, const Vector2i& position = {0, 0});
+
+    /// @returns Whether or not this Render Target created it's Texture.
+    [[nodiscard]] bool OwnsTexture() const;
+public:
+    /// @returns the size of the renderable area.
+    [[nodiscard]] Vector2i GetDimensions() const;
+
+    /// @returns The currently selected MSAA Sample Rate.
+    [[nodiscard]] MSAA_SAMPLE_RATE GetMSAASampleRate() const;
+
+    /// @returns Whether or not this Render Target is using MSAA.
+    [[nodiscard]] bool MSAAEnabled() const;
+
+    /// @returns The JGL texture this Render Target draws on.
+    [[nodiscard]] const Texture* GetTexture() const;
+
+    /// @returns The OpenGL handle for the texture this Render Target draws on.
+    [[nodiscard]] GLuint GetTextureHandle() const;
+
+    /// @returns The OpenGL handle for this Render Target.
+    [[nodiscard]] GLuint GetGLFramebufferObjectHandle() const;
+
+    /// @returns The handle to the OpenGL buffer containing depth information
+    /// @note Only valid if this Render Target is being used for 3D.
+    [[nodiscard]] GLuint GetGLDepthBufferHandle() const;
+
+    /// @returns The color that should be used to clear this Render Target.
+    [[nodiscard]] Color4 GetClearColor() const;
+
+    /// @returns The color information for this Render Target.
+    /// @note The CPU thread this is called from & the GPU cannot do anything while this takes place. It's very slow.
+    [[nodiscard]] std::vector<GLfloat> GetPixels() const;
+
+    [[nodiscard]] static Vector2i MaximumSize();
+public:
+    /// Create a Render Target from a Render Target that already exists.
+    /** @note Render Targets that are copies of another will copy the Texture.
+     * This is so that deleting the copy doesn't delete the Texture of the original.
+    */
+    RenderTarget(const RenderTarget& rhs);
+
+    /// Create a Render Target for a texture that already exists.
+    /// @param texture The Texture that using this Render Target would draw on.
+    /// @param clear_color The color to be used if you want to clear the Render Target.
+    /// @note For Render Targets created this way, The destructor will not delete the texture.
+    explicit RenderTarget(const Texture* texture, const Color4& clear_color = Colors::Transparent);
+
+    /// Create a Render Target with a new texture.
+    /// @param size The width & height the Render Target should have.
+    /// @param clear_color The color to be used if you want to clear the Render Target.
+    /// @param use_depth Whether or not this Render Target will have depth information.
+    /// @param sample_rate The MSAA sample rate this Render Target will use.
+    explicit RenderTarget(const Vector2i& size, const Color4& clear_color = Colors::Transparent, bool use_depth = false,
+                          MSAA_SAMPLE_RATE sample_rate = MSAA_SAMPLE_RATE::MSAA_NONE, FilteringMode filteirng_mode = FilteringMode::NEAREST);
+
+    /// Deletes this Render Target.
+    /** @note If this Render Target was made with a Texture that already existed
+     * the Texture will not be deleted. */
+    ~RenderTarget();
+
+};

include/JGL/types/ShadowMap.h

@@ -0,0 +1,18 @@
+#pragma once
+#include <JGL/types/RenderTarget.h>
+#include <JGL/types/Light.h>
+
+namespace JGL {
+    class ShadowMap;
+}
+
+/// You render your scene with all the static objects from the perspective of each static light to a ShadowMap.
+/// Then, for shadow casters which move. Or lights that move. You only redraw that object from the perspective of each light.
+/// Some of the approaches I saw for this were disgusting - Redacted.
+
+class JGL::ShadowMap {
+private:
+    RenderTarget shadow_map;
+private:
+    void Create(const LightBase* Light);
+};

include/JGL/types/Skeleton.h

@@ -0,0 +1,124 @@
+#pragma once
+#include <vector>
+#include <array>
+#include <J3ML/LinearAlgebra/Vector3.hpp>
+#include <J3ML/LinearAlgebra/Matrix4x4.hpp>
+#include <unordered_map>
+
+namespace JGL {
+    class Bone;
+    class SkeletalVertexAttribute;
+    class Skeleton;
+    class KeyFrame;
+    class Animation;
+    class AnimationState;
+}
+
+class JGL::SkeletalVertexAttribute {
+private:
+    std::array<int, 4> bone_ids = { 0, 0, 0, 0 };
+    std::array<float, 4> bone_weights = { 0, 0, 0, 0 };
+public:
+    [[nodiscard]] std::array<int, 4> GetAffectingBoneIDs() const;
+    [[nodiscard]] std::array<float, 4> GetAffectingBoneWeights() const;
+public:
+    SkeletalVertexAttribute() = default;
+    /// These cannpt be longer than 4.
+    SkeletalVertexAttribute(const std::vector<int>& ids, const std::vector<float>& weights);
+};
+
+class JGL::Bone {
+private:
+    int id = 0;
+    // Not every gltf2 model includes names, but I'll still include it.
+    std::string name;
+    Matrix4x4 inverse_bind_matrix = Matrix4x4::Identity;
+    Matrix4x4 offset_matrix = Matrix4x4::Identity;
+    Matrix4x4 final_transform = Matrix4x4::Identity;
+    int parent_id = -1;
+    std::vector<int> children{};
+public:
+    [[nodiscard]] int GetID() const;
+    [[nodiscard]] std::string GetName() const;
+    [[nodiscard]] Matrix4x4 GetInverseBindMatrix() const;
+    [[nodiscard]] Matrix4x4 GetOffsetMatrix() const;
+    [[nodiscard]] Matrix4x4 GetFinalTransform() const;
+    [[nodiscard]] bool IsRootBone() const;
+public:
+    [[nodiscard]] int GetParentID() const;
+    [[nodiscard]] std::vector<int> GetChildren() const;
+public:
+    void SetParent(int parent_id);
+    void AppendChild(int new_child);
+    void SetID(int numeric_id);
+    void SetName(const std::string& string_id);
+    void SetInverseBindMatrix(const Matrix4x4& inverse_bind);
+    void SetOffsetMatrix(const Matrix4x4& offset);
+    void SetFinalTransformMatrix(const Matrix4x4& final);
+public:
+    ~Bone() = default;
+    Bone() = default;
+    explicit Bone(int numeric_id, const std::string& string_id = "", int parent_id = -1, const std::vector<int>& children_ids = {},
+         const Matrix4x4& inverse_bind = Matrix4x4::Identity, const Matrix4x4& offset = Matrix4x4::Identity, const Matrix4x4& final = Matrix4x4::Identity);
+};
+
+class JGL::Skeleton {
+private:
+    Bone root;
+    std::vector<Bone> bones;
+public:
+    [[nodiscard]] Bone* GetRootBone();
+    [[nodiscard]] Bone* FindBone(int id);
+    [[nodiscard]] Bone* FindBone(const std::string& string_id);
+public:
+    void AppendBone(const Bone& bone);
+public:
+    explicit Skeleton(const Bone& root_bone, const std::vector<Bone>& children = {});
+    ~Skeleton() = default;
+    Skeleton() = default;
+};
+
+class JGL::KeyFrame {
+private:
+    float time_stamp = 0;
+    Skeleton pose;
+public:
+    [[nodiscard]] float GetTimeStamp() const;
+    [[nodiscard]] Skeleton GetSkeleton() const;
+public:
+    KeyFrame(const Skeleton& pose, float time_stamp);
+};
+
+class JGL::Animation {
+private:
+    int id = -1;
+    // Not all animations have names.
+    std::string name;
+    float length = 0;
+    std::vector<KeyFrame> key_frames;
+    std::vector<SkeletalVertexAttribute> vertex_attributes{};
+public:
+    [[nodiscard]] float GetDuratrion() const;
+    [[nodiscard]] std::vector<KeyFrame> GetKeyFrames() const;
+    [[nodiscard]] int GetID() const;
+    [[nodiscard]] std::string GetName() const;
+    [[nodiscard]] std::vector<SkeletalVertexAttribute> GetSkeletalVertexAttributes() const;
+public:
+    void AppendKeyFrame(const KeyFrame& new_key);
+    void SetDuration(float duration);
+    void SetID(int identifier);
+    void SetName(const std::string& name_id);
+public:
+    ~Animation() = default;
+    Animation(int id, float duration, const std::vector<KeyFrame>& key_frames, const std::vector<SkeletalVertexAttribute>& skeletal_vertex_attributes,
+                       const std::string& name = "");
+};
+
+class JGL::AnimationState {
+private:
+    int animation_id = -1;
+    float animation_time = 0;
+public:
+
+};
+

include/JGL/types/Texture.h

@@ -0,0 +1,62 @@
+#pragma once
+#include<vector>
+#include <filesystem>
+#include <J3ML/LinearAlgebra/Vector2i.hpp>
+#include <Color3.hpp>
+#include <Color4.hpp>
+#include <JGL/types/Enums.h>
+
+namespace JGL {
+    using J3ML::LinearAlgebra::Vector2i;
+    class Texture;
+}
+
+/// Represents texture data loaded on the GPU. Contains a handle that can be passed to OpenGL draw calls.
+class JGL::Texture {
+protected:
+    unsigned int texture_handle = 0;
+    bool invert_y = false;
+    Vector2i size = {0, 0};
+    ColorFormat format =  ColorFormat::RGBA;
+    FilteringMode filtering_mode;
+    WrappingMode wrapping_mode;
+    void load(const unsigned char* pixels);
+    std::vector<unsigned char> png(const std::filesystem::path& file);
+    std::vector<unsigned char> bmp(const std::filesystem::path& file);
+    [[nodiscard]] bool SizeExceedsMaximum(const Vector2i& size);
+public:
+    /// @returns A handle used to identify this texture.
+    [[nodiscard]] unsigned int GetHandle() const;
+    /// @returns The size of this texture.
+    [[nodiscard]] Vector2i GetDimensions() const;
+    /// @returns The filtering mode this texture is using.
+    [[nodiscard]] FilteringMode GetFilteringMode() const;
+    /// @returns The way this texture behaves when used on geometry of different sizes.
+    [[nodiscard]] WrappingMode GetWrappingMode() const;
+    /// @returns The orientation of this texture in v-ram.
+    /// @note true is right-side-up because OpenGL defaults to upside-down.
+    [[nodiscard]] bool Inverted() const;
+    [[nodiscard]] ColorFormat GetFormat() const;
+    /// @returns The raw pixels this texture is made up of.
+    /// @note This will read-back from the GPU. Slow.
+    [[nodiscard]] std::vector<Color4> GetPixelData() const;
+    /// @returns The biggest size for a texture on this system.
+    /// @note on modern systems this is *usually* ridiculous.
+    [[nodiscard]] static Vector2i MaximumSize();
+public:
+    /// Load a texture from a file,
+    explicit Texture(const std::filesystem::path& file, FilteringMode filtering_mode = FilteringMode::BILINEAR, WrappingMode wrapping_mode = WrappingMode::CLAMP_TO_EDGE, bool invert_y = true);
+    /// Load a texture from raw pixels.
+    Texture(const Color4* pixels, const Vector2i& size, const ColorFormat& format, FilteringMode filtering_mode, WrappingMode wrapping_mode);
+    /// Load a texture from raw pixels.
+    Texture(const Color3* pixels, const Vector2i& size, const ColorFormat& format, FilteringMode filtering_mode, WrappingMode wrapping_mode);
+    /// Construct a Texture Atlas from many different textures.
+    /// @note THIS IS UNFINISHED.
+    Texture(const Texture* textures, const size_t& texture_count);
+    /// Initialize a texture filled with trash data.
+    /// @see RenderTarget
+    explicit Texture(const Vector2i& size, FilteringMode filtering_mode = FilteringMode::NEAREST);
+
+    Texture(const Texture& rhs);
+    ~Texture();
+};

include/JGL/types/VRamList.h

@@ -0,0 +1,68 @@
+#pragma once
+#include <vector>
+#include <glad/glad.h>
+#include <J3ML/LinearAlgebra/Vector2.hpp>
+#include <J3ML/LinearAlgebra/Vector2i.hpp>
+#include <J3ML/LinearAlgebra/Vector3.hpp>
+#include <J3ML/LinearAlgebra/Vector4.hpp>
+
+namespace JGL {
+    class VRamList;
+}
+
+/// A wrapped for "Vertex Buffer Object" In OpenGL, Store things in VRam.
+class JGL::VRamList {
+private:
+    GLuint list_handle = 0;
+    long num_elements = 0;
+    bool element_array_buffer = false;
+    /// "Spin Locking" fix for multi-threading.
+    bool spin_lock = false;
+    void load(const GLfloat* data, const long& size);
+    void load(const GLuint* data, const long& size);
+    void SetData(void* data, const long& count);
+    void UpdateData(void* data, const long& offset, const long& count);
+    void Erase();
+public:
+    VRamList(const GLuint* data, const long& count);
+    VRamList(const GLfloat* data, const long& count);
+    VRamList(const Vector2* data, const long& count);
+    VRamList(const Vector3* data, const long& count);
+    VRamList(const Vector4* data, const long& count);
+
+    ~VRamList();
+    /** Copying around the VBO data to a new VBO like this is slow.
+     * Pass to function by const reference or pointer always. */
+    VRamList(const VRamList& rhs);
+    VRamList() : list_handle(0), num_elements(0), element_array_buffer(false), spin_lock(false) {}
+public:
+    [[nodiscard]] GLuint GetHandle() const;
+    /// Returns the number of elements in the list.
+    [[nodiscard]] long GetLength() const;
+    /// Returns the size of the data in bytes.
+    [[nodiscard]] size_t GetDataSize() const;
+    /** Get VBO data back from the GPU. This is *bad* because the CPU is going to wait
+    * for the transfer to finish. Has limited use other than testing. */
+    [[nodiscard]] std::vector<GLfloat> GetDataF() const;
+    [[nodiscard]] std::vector<GLuint> GetDataUI() const;
+    [[nodiscard]] bool IsFloatArray() const;
+    /** Replace the data of an existing VBO in it's entirety. Must be same type. */
+    void SetData(const GLfloat* data, const long& count);
+    void SetData(const Vector2* data, const long& count);
+    void SetData(const Vector3* data, const long& count);
+    void SetData(const Vector4* data, const long& count);
+
+    void SetData(const GLuint* data, const long& count);
+    void SetData(const Vector2i* data, const long& count);
+
+    /** Update only a portion of the data in a VBO. Must be same type.
+     * "offset" refers the number of Typename T into the buffer the data you want to change is.
+     * For ex, offset 0 and length of 1 overwrites the first value. Offset 1 the second etc */
+     void UpdateData(const GLfloat* data, const long& offset, const long& count);
+     void UpdateData(const Vector2* data, const long& offset, const long& count);
+     void UpdateData(const Vector3* data, const long& offset, const long& count);
+     void UpdateData(const Vector4* data, const long& offset, const long& count);
+
+     void UpdateData(const GLuint* data, const long& offset, const long& count);
+     void UpdateData(const Vector2i* data, const long& offset, const long& count);
+};

include/JGL/types/VertexArray.h

@@ -0,0 +1,103 @@
+#pragma once
+
+#include <vector>
+#include <JGL/types/VRamList.h>
+#include <JGL/types/Skeleton.h>
+#include <J3ML/LinearAlgebra/Vector3.hpp>
+#include <J3ML/Geometry/Sphere.hpp>
+#include <J3ML/Geometry/AABB.hpp>
+#include <J3ML/Geometry/OBB.hpp>
+
+namespace JGL {
+    /// A point that is part of an object in 3D space.
+    typedef Vector3 Vertex;
+    /// A direction vector which describes which way a triangle is facing.
+    typedef Vector3 Normal;
+    /// 2D positions that describe how a texture is to be wrapped around a 3D object.
+    typedef Vector2 TextureCoordinate;
+    /// Container for storing 3D models in v-ram, system memory, or both.
+    class VertexArray;
+}
+
+class JGL::VertexArray {
+private:
+    Sphere me_sphere;
+    OBB me_obb;
+protected:
+    virtual void CreateMESphere();
+    virtual void CreateMEOBB();
+protected:
+    std::vector<Animation> animations{};
+protected:
+    VRamList* vertices;
+    VRamList* indices;
+    VRamList* normals;
+    VRamList* texture_coordinates;
+protected:
+    /** For models which are not animated, This is intended for a low quality version in
+     * system memory for calculations to be done on the CPU. For models that are, the default pose of the model is here.
+     */
+    std::vector<Vertex> local_vertices{};
+    std::vector<unsigned int> local_indices{};
+    std::vector<TextureCoordinate> local_texture_coordinates{};
+    std::vector<Normal> local_normals{};
+public:
+    /** Don't use these for anything other than drawing because the GPU is gonna spin during read-back */
+    [[nodiscard]] const VRamList* GetVertices() const;
+    [[nodiscard]] const VRamList* GetIndices() const;
+    [[nodiscard]] const VRamList* GetNormals() const;
+    [[nodiscard]] const VRamList* GetTextureCoordinates() const;
+
+    /** These are for cpu side calculations */
+    [[nodiscard]] std::vector<Vertex> GetLocalVertices() const;
+    [[nodiscard]] std::vector<unsigned int> GetLocalIndices() const;
+    [[nodiscard]] std::vector<TextureCoordinate> GetLocalTextureCoordinates() const;
+    [[nodiscard]] std::vector<Normal> GetLocalNormals() const;
+public:
+    /// Returns true if the VertexArray does not have any animations.
+    bool Static();
+public:
+    /// Provides the minimally enclosing bounding sphere of the vertex array given information from the instance.
+    /// @param scale The scale of the instance.
+    /// @param translate_part The center of the sphere would be shifted in 3D space by this. Primarily for world space.
+    [[nodiscard]] Sphere GetMESphere(const Vector3& scale = Vector3::One, const Vector3& translate_part = Vector3::Zero) const;
+    /// Provides the minimally enclosing bounding sphere of the vertex array given information from the instance.
+    /// @param instance_matrix A Matrix4x4 which contains scale, rotation, and translation.
+    /// @param translate Whether or not to translate to world space by the translate part of the Matrix.
+    [[nodiscard]] Sphere GetMESphere(const Matrix4x4& instance_matrix, bool translate = false) const;
+
+    /// Provides the minimally enclosing oriented bounding box of the vertex array given information from the instance.
+    /// @param rotation_matrix A Matrix3x3 representing rotation in 3D space.
+    /// @param scale The scale of the instance.
+    /// @param translate_part The center of the box would be shifted in 3D space by this. Primarily for world space.
+    [[nodiscard]] OBB GetMEOBB(const Matrix3x3& rotation_matrix, const Vector3& scale = Vector3::One, const Vector3& translate_part = Vector3::Zero) const;
+    /// Provides the minimally enclosing oriented bounding box of the vertex array given information from the instance.
+    /// @param instance_matrix A Matrix4x4 which contains scale, rotation, and translation.
+    /// @param translate Whether or not to translate to world space by the translate part of the Matrix.
+    [[nodiscard]] OBB GetMEOBB(const Matrix4x4& instance_matrix, bool translate = false) const;
+
+    /// Provides the minimally enclosing axis-aligned bounding box of the vertex array given information from the instance.
+    /// @param rotation_matrix A Matrix3x3 representing rotation in 3D space.
+    /// @param scale The scale of the instance.
+    /// @param translate_part The center of the box would be shifted in 3D space by this. Primarily for world space.
+    [[nodiscard]] AABB GetMEAABB(const Matrix3x3& rotation_matrix, const Vector3& scale = Vector3::One, const Vector3& translate_part = Vector3::Zero) const;
+    [[nodiscard]] AABB GetMEAABB(const Matrix4x4& instance_matrix, bool translate = false) const;
+public:
+    VertexArray() = default;
+    /// Vertices are required, Everything else is optional.
+    VertexArray(const Vertex* vertex_positions, const long& vp_length, const unsigned int* vertex_indices = nullptr, const long& vi_length = 0,
+                const Normal* vertex_normals = nullptr, const long& vn_length = 0, const TextureCoordinate* texture_coordinates = nullptr, const long& vt_length = 0);
+
+    /// Vertices are required, Everything else is optional.
+    explicit VertexArray(const std::vector<Vertex>& vertex_positions, const std::vector<unsigned int>& vertex_indices = {},
+                         const std::vector<Normal>& vertex_normals = {}, const std::vector<TextureCoordinate>& texture_coordinates = {});
+
+    static VertexArray LoadWavefrontOBJ(const std::string& file_text);
+    static VertexArray LoadAMO(const std::string& file_text);
+};
+
+
+using namespace JGL;
+
+static VertexArray Animate(int animation_id, float animation_time);
+static VertexArray Animate(const AnimationState& anim_state);

main.cpp

@@ -1,26 +1,98 @@
-#include <glad/glad.h>
 #include <JGL/JGL.h>
-#include <rewindow/types/window.h>
-#include <JGL/Colors.h>
-#include <J3ML/LinearAlgebra/Vector2.h>
+#include <ReWindow/types/Window.h>
+#include <Colors.hpp>
+#include <chrono>
+#include <J3ML/LinearAlgebra/Vector2.hpp>
+#include <JGL/logger/logger.h>
+#include <J3ML/Geometry/AABB.hpp>
+#include <ReWindow/Logger.h>
+#include <JGL/types/VertexArray.h>
 
 using J3ML::LinearAlgebra::Vector2;
+using namespace JGL::Fonts;
+using namespace JGL;
+using JGL::Font;
 
-#if defined(_WIN32) || defined(_WIN64)
-#include <windows.h>
-#endif
+float fps = 0.0f;
 
-struct Character
+/// A draggable 2D point that highlights when moused over and when clicked.
+class Gizmo
 {
-    unsigned int TextureID; // ID handle of the glyph texture
-    Vector2 Size;           // Size of glyph
-    Vector2 Bearing;        // Offset from baseline to left/top of glyph
-    unsigned int Advance;   // Offset to advance to next glyph
+public:
+    Gizmo() {}
+    Gizmo(const Vector2& pos) : position(pos) {}
+    bool dragging = false;
+    bool hovered = false;
+    Vector2 position;
+    float range = 6.f;
+    float base_radius = 3.f;
+    float hover_radius = 6.f;
+    float drag_radius = 4.f;
+    Color4 base_color = Colors::Reds::Salmon;
+    Color4 hover_color = Colors::Reds::Firebrick;
+    Color4 drag_color = Colors::White;
+    float lerp_rate = 0.25f;
+    float text_scale = 1.f;
+    int text_size = 12;
+
+    void Grab() {
+        if (hovered)
+            dragging = true;
+    }
+    void Release() {
+        dragging = false;
+    }
+
+    void Update(const Vector2& mouse) {
+        if (dragging)
+            position = position.Lerp(mouse, lerp_rate);
+
+        hovered = mouse.Distance(position) < range;
+    }
+
+    void Draw() {
+        if (dragging)
+            J2D::DrawPoint(drag_color, position, drag_radius);
+        else if (hovered)
+            J2D::DrawPoint(hover_color, position, hover_radius);
+        else
+            J2D::DrawPoint(base_color, position, base_radius);
+
+        J2D::DrawString(Colors::White, std::format("{:.1f},{:.1f}", position.x, position.y), position.x, position.y, text_scale, text_size);
+
+    }
 };
 
-std::map<char, Character> Characters;
-GLuint VAO, VBO;
+/// A 3D Camera Controller.
+class Camera {
+public:
+    Vector3 position = {0,0,0};
+    Vector3 angle = {0,0,0};
 
+    std::vector<GLfloat> lookAt(const Vector3& eye, const Vector3& center, const Vector3& up) {
+        Vector3 f = Vector3::Normalized((center - eye));
+        Vector3 upN = Vector3::Normalized(up);
+        Vector3 s = Vector3::Normalized(f.Cross(upN));
+        Vector3 u = Vector3::Normalized(s.Cross(f));
+
+        std::vector<GLfloat> result = {
+                s.x,         u.x,         -f.x,        0.0f,
+                s.y,         u.y,         -f.y,        0.0f,
+                s.z,         u.z,         -f.z,        0.0f,
+                -s.Dot(eye), -u.Dot(eye),  f.Dot(eye), 1.0f
+        };
+        return result;
+    }
+
+    void render() {
+        glRotatef(angle.x,1.0f, 0.0f, 0.0f);
+        glRotatef(angle.y,0.0f, 1.0f, 0.0f);
+        glRotatef(angle.z,0.0f, 0.0f, 1.0f);
+        glMultMatrixf(lookAt({position.x, position.y, position.z}, {position.x, position.y, 100.f + position.z}, {0,1,0}).data());
+    }
+};
+
+Camera* camera;
 using J3ML::LinearAlgebra::Matrix4x4;
 
 struct point {
@@ -30,91 +102,228 @@ struct point {
     GLfloat t;
 };
 
-class JGLDemoWindow : public ReWindow::RWindow
+Gizmo a({250, 150});
+Gizmo b({200, 250});
+Gizmo c({350, 300});
+Gizmo d({450, 250});
+
+JGL::Font FreeSans;
+Texture* image;
+Texture* image_mask;
+RenderTarget* j2d_render_target;
+
+class JGLDemoWindow : public ReWindow::OpenGLWindow
 {
 public:
+    void initGL() {
+        camera = new Camera;
 
-    JGLDemoWindow() : ReWindow::RWindow() {}
-    JGLDemoWindow(const std::string& title, int width, int height) :
-            ReWindow::RWindow(title, width, height)
-    {
+        if (!JGL::Init({ GetSize().x, GetSize().y}, 75, 100))
+            Logger::Fatal("Initialization failed.");
 
+        // Load a custom font.
+        FreeSans = JGL::Font("assets/fonts/FreeSans.ttf");
+
+        glClearColor(0.f, 0.f, 0.f, 0.f);
+        glEnable(GL_DEPTH_TEST);
+        glDepthFunc(GL_LESS);
+        glDepthMask(GL_TRUE);
+        image = new Texture("assets/sprites/Re3D.png", FilteringMode::BILINEAR);
+        image_mask = new Texture("assets/sprites/alpha_mask_2.png");
+        j2d_render_target = new RenderTarget({540, 500}, {0,0,0,0}, false,
+                                             MSAA_SAMPLE_RATE::MSAA_8X, FilteringMode::MIPMAP_TRILINEAR);
+
+        //Texture::MultiplyByAlphaMask(*image, *image_mask);
     }
 
-    void initGL()
-    {
-        gladLoadGL();
+    EulerAngleXYZ textAngle = {0,0,0};
+    float fov = 90;
+    u8 pulse = 0;
+    float sprite_radians = 0;
+    bool fov_increasing = true;
+    int blit_pos = 0;
 
-        glMatrixMode(GL_PROJECTION);
-        glLoadIdentity();
-        glOrtho(0, getSize().x, getSize().y, 0, -1, 1);
-        glMatrixMode(GL_MODELVIEW);
+    void display() {
+        pulse++;
+        float dt = GetDeltaTime();
 
-        glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+        JGL::Update({ GetSize().x, GetSize().y });
 
-        glEnable(GL_CULL_FACE);
-        glEnable(GL_BLEND);
-        glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-        glEnable(GL_TEXTURE_2D);
+        if (fov_increasing)
+            fov += 0.025;
+        else
+            fov -= 0.050;
 
-        JGL::InitTextEngine();
-    }
+        if (fov >= 120)
+            fov_increasing = false;
+        else if (fov <= 75)
+            fov_increasing = true;
+        //J3D::ChangeFOV(fov);
 
-
-    void display()
-    {
+        sprite_radians += 0.005;
+        textAngle.yaw += 1;
         glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
-        glMatrixMode(GL_PROJECTION);
-        glLoadIdentity();
-        glOrtho(0, getSize().x, getSize().y, 0, -1, 1);
         glMatrixMode(GL_MODELVIEW);
+        glLoadIdentity();
 
-        JGL::J2D::FillRect2D(JGL::Colors::Blue, {32, 32}, {100.5, 100.5});
-        JGL::J2D::FillRect2D(JGL::Colors::Blue, {32, 32}, {100.5, 100.5});
+        camera->render();
+        // All 3D elements of the scene and JGL elements *must* be rendered before the 2D stuff
+        /* if rendering to screen space directly. */
+        auto test_light = PointLight({2,1,2}, {pulse,pulse,pulse, 255}, {pulse, pulse, pulse, 255}, {0,0,0}, 1, 0.1, 0.01);
+        // If a 3D object has transparency. The things you'd like to see through it must be drawn before.
 
-        JGL::Triangle2D tri
-                {
-                        {140, 200},
-                        {135, 100},
-                        {105, 100}
-                };
-        JGL::J2D::FillTriangle2D(JGL::Colors::Yellow, tri);
+        J3D::Begin();
+            J3D::DrawLine(Colors::Red, {-0.33,-0.125,1}, {-1,-0.125,1});
+            J3D::DrawLine(Colors::Red, {-0.33,-0.125,1}, {-0.33,0.25,1});
+            J3D::DrawString(Colors::Red, "JGL Sample Text", {-0.33, -0.1, 1.0f}, 1.f, 32, FreeSans, textAngle, true);
+            //J3D::WireframeSphere(Colors::Green, {0,0,0.5f}, 0.25f, 1, 128, 128);
+            Sphere sphere = {{0,0, 0.5f}, 0.2125};
+            J3D::BatchWireframeRevoSphere(Colors::Green, &sphere, 1, 1, 8, 8, true);
+            J3D::RequiredLight(&test_light);
+            J3D::FillAABB(Colors::Whites::AliceBlue, {0,0,0.5f}, {0.05f, 0.05f, 0.05f});
+            J3D::WireframeAABB(Colors::Gray, {0,0,0.5f}, {0.11f, 0.06f, 0.11f});
 
+            AABB boxes[1] = {{Vector3(-0.2125, -0.2125,0.28750), Vector3(0.2125,0.2125,0.7125)}};
+            J3D::BatchWireframeAABB(Colors::Yellow, boxes, 1, 1);
+        J3D::End();
 
-        JGL::J3D::DrawString3D(JGL::Colors::Red, "JGL Sample Text", {1, -120, 0.5f}, 2.f);
-        JGL::J2D::DrawString2D(JGL::Colors::Green, "William J. Tomasine II ", 0.f, -120.f, 1.f);
+        J2D::Begin(j2d_render_target, true);
+            J2D::FillRect(Colors::Blue, {0,52}, {100,100});
+            J2D::DrawSprite(image, {300, 400}, sprite_radians * 0.10f, {0.5,0.5}, {1, 1}, Colors::White);
+            J2D::DrawMirrorSprite(image, {400, 300}, Direction::Horizontal | Direction::Vertical, sprite_radians, {0.5,0.5}, {1, 1}, Colors::White);
+            J2D::DrawPartialSprite(image, Vector2(225, 300), Vector2(image->GetDimensions()) * 0.25, Vector2(image->GetDimensions()) * 0.75, sprite_radians, {0.5, 0.5}, {1,1}, Colors::White);
+            J2D::FillRect(Colors::Pinks::HotPink, {68, 120}, {32, 32});
+            J2D::FillGradientRect(Colors::Red, Colors::Blue, Direction::Diagonal_SWNE, {100,52}, {100,100});
+            J2D::FillRoundedRect(Colors::Red, {200, 52}, {100, 100}, 8, 8);
+            J2D::FillRoundedRect(Colors::Purples::BlueViolet, {300, 52}, {100, 100}, 8, 4);
+            J2D::FillCircle(Colors::White, {52, 204}, 50, 24);
+            J2D::OutlineCircle(Colors::White, {153, 204}, 50, 24);
 
-        JGL::J2D::DrawLine2D(JGL::Colors::Greens::DarkGreen, {10, 10}, {200, 300});
-        JGL::J3D::DrawLine3D(JGL::Colors::Red, {0,0,0}, {1,0,0});
-        JGL::J3D::DrawLine3D(JGL::Colors::Red, {0,0,0}, {1,0,0});
+            J2D::FillChamferRect(Colors::Reds::LightSalmon, {150, 400}, {64, 64}, 5);
+            J2D::OutlineRoundedRect(Colors::Reds::LightCoral, {250, 350}, {128, 128}, 10, 2);
+            std::vector<Vector2> points = {{1,1}, {4,4}, {8,8}, {16,16}, {32,32}};
+            J2D::FillGradientTriangle(Color4(Colors::Red), Color4(Colors::Green), Color4(Colors::Blue), {{0, 275}, {0, 375}, {100, 375}});
+            J2D::OutlineTriangle(Colors::Blue, {{100, 275}, {0, 275}, {100, 375}});
+            J2D::DrawGradientLine(Colors::Red, Colors::Blue, {105, 375}, {200, 275}, 2);
+            auto result = Jupiteroid.MeasureString("Jupiteroid Font", 16);
+
+            J2D::DrawString(Colors::Green, "Jupteroid Font", 0.f, 0, 1.f, 16, Jupiteroid);
+            J2D::DrawString(Colors::White, "Position: " + std::to_string(camera->position.x) + " " + std::to_string(camera->position.y) + " " + std::to_string(camera->position.z), 0, 16, 1,16, Jupiteroid);
+            J2D::DrawString(Colors::White, "ViewAngle: " + std::to_string(camera->angle.x) + " " + std::to_string(camera->angle.y) + " " + std::to_string(camera->angle.z), 0, 33, 1,16, Jupiteroid);
+            J2D::DrawString(Colors::White, "Framerate: " + std::to_string((int) fps), 0, 48, 1, 16, Jupiteroid);
+            std::array<Vector2, 5> polygon = {Vector2(200, 400), {220, 420}, {220, 430}, {230, 410}, {200, 400}};
+            J2D::OutlinePolygon(Colors::White, polygon.data(), polygon.size());
+            J2D::DrawCubicBezierCurve(Colors::Blues::CornflowerBlue,
+                                      a.position,
+                                      b.position,
+                                      c.position,
+                                      d.position
+                                      , 20, 1.5f);
+
+            a.Draw();
+            b.Draw();
+            c.Draw();
+            d.Draw();
+        J2D::End();
+
+        J2D::Begin();
+            J2D::DrawRenderTarget(j2d_render_target, {0, 0});
+            J2D::DrawSprite(image, image_mask, {0, 0}, 0.25, {0.5, 0.5}, {1,1});
+        J2D::End();
 
-        //glFlush();
     }
 
-    void OnRefresh(float elapsed) override
-    {
+    void OnRefresh(float elapsed) override {
+
+        fps = GetRefreshRate();
+
+        if (IsKeyDown(Keys::RightArrow))
+            camera->angle.y += 45.f * elapsed;
+        if (IsKeyDown(Keys::LeftArrow))
+            camera->angle.y -= 45.f * elapsed;
+        if (IsKeyDown(Keys::UpArrow))
+            camera->angle.x -= 45.f * elapsed;
+        if (IsKeyDown(Keys::DownArrow))
+            camera->angle.x += 45.f * elapsed;
+        if (IsKeyDown(Keys::Space))
+            camera->position.y += 1.f * elapsed;
+        if (IsKeyDown(Keys::LeftShift))
+            camera->position.y -= 1.f * elapsed;
+
+         //This is wrong of course. Just for testing purposes.
+        if (IsKeyDown(Keys::W))
+            camera->position.z += 1.f * elapsed;
+        if (IsKeyDown(Keys::S))
+            camera->position.z -= 1.f * elapsed;
+        if (IsKeyDown(Keys::A))
+            camera->position.x += 1.f * elapsed;
+        if (IsKeyDown(Keys::D))
+            camera->position.x -= 1.f * elapsed;
+
+
+        auto mouse = GetMouseCoordinates();
+        a.Update({(float) mouse.x, (float) mouse.y});
+        b.Update({(float) mouse.x, (float) mouse.y});
+        c.Update({(float) mouse.x, (float) mouse.y});
+        d.Update({(float) mouse.x, (float) mouse.y});
         display();
-        this->glSwapBuffers();
+        int glError = glGetError();
+        if (glError != GL_NO_ERROR)
+            std::cout << glError << std::endl;
+        SwapBuffers();
     }
-    bool OnResizeRequest(const ReWindow::WindowResizeRequestEvent& e) override
+
+
+    void OnMouseButtonDown(const ReWindow::MouseButtonDownEvent & ev) override
     {
-        return true;
+        RWindow::OnMouseButtonDown(ev);
+        a.Grab();
+        b.Grab();
+        c.Grab();
+        d.Grab();
     }
+
+    void OnMouseButtonUp(const ReWindow::MouseButtonUpEvent & ev) override
+    {
+        RWindow::OnMouseButtonUp(ev);
+        a.Release();
+        b.Release();
+        c.Release();
+        d.Release();
+    }
+
+    bool OnResizeRequest(const ReWindow::WindowResizeRequestEvent& e) override {return true;}
+    JGLDemoWindow(const std::string& title, int width, int height) : ReWindow::OpenGLWindow(title, width, height, 2, 1) {}
 };
 
-int main(int argc, char** argv)
-{
-    auto* window = new JGLDemoWindow("JGL Demo Window", 1280, 720);
-    window->setRenderer(RenderingAPI::OPENGL);
-    window->Open();
-    window->initGL();
-    window->setResizable(true);
-    while (window->isAlive())
-    {
-        window->pollEvents();
-        window->refresh();
-    }
+int main(int argc, char** argv) {
 
+    auto* window = new JGLDemoWindow("JGL Demo Window", 1280, 720);
+    if (!window->Open())
+        exit(-1);
+    window->initGL();
+    window->SetResizable(true);
+    window->SetVsyncEnabled(false);
+
+    std::ifstream file("assets/models/cube.amo");
+    if (!file.is_open())
+        return -1;
+
+    /*
+    std::stringstream buffer;
+    buffer << file.rdbuf();
+    std::string file_text = buffer.str();
+    file.close();
+    std::cout << file_text << std::endl;
+
+    auto result = VertexArray::LoadAMO(file_text);
+     */
+    
+    //ReWindow::Logger::Error.EnableConsole(false);
+    //ReWindow::Logger::Warning.EnableConsole(false);
+    //ReWindow::Logger::Debug.EnableConsole(false);
+
+    while (window->IsAlive())
+        window->ManagedRefresh();
     return 0;
 }

reci/scripts/builddeps.reci

@@ -0,0 +1 @@
+Main:new("Install build dependencies", "apt-get install -yq libgl1-mesa-dev libfreetype-dev")

reci/scripts/install_build_dependencies.sh

@@ -0,0 +1,7 @@
+source $RECI/shlib/info.sh
+
+INFO "Installing build dependencies for JGL"
+GROUP="Install build dependencies" RUN '
+apt-get install -yq libgl1-mesa-dev libfreetype-dev
+'
+

src/JGL.cpp

@@ -0,0 +1,48 @@
+//
+// Created by dawsh on 1/17/24.
+//
+
+#include <glad/glad.h>
+#include <JGL/JGL.h>
+#include <JGL/logger/logger.h>
+#include "renderer/OpenGL/internals/internals.h"
+
+namespace JGL {
+    using namespace J3ML;
+
+    bool Init(const Vector2i& ws, float fovY, float far_plane) {
+        gladLoadGL();
+        if (!MeetsRequirements()) {
+            Logger::Fatal("The graphics driver does not meet the minimum requirements to run this program.");
+            return false;
+        }
+
+        InitTextEngine();
+        Fonts::Init();
+        ShapeCache::Init();
+        JGL::window_size = ws;
+        J3D::fov = fovY;
+        J3D::far_plane = far_plane;
+        return true;
+    }
+
+    void Update(const Vector2i& ws) {
+        if (state_stack.Size())
+            Logger::Error("You shouldn't be running JGL::Update while inside a J2D or J3D context.");
+
+        JGL::window_size = ws;
+        glViewport(0, 0, window_size.x, window_size.y);
+    }
+
+    bool MeetsRequirements() {
+        if (!GLAD_GL_VERSION_2_1)
+            return false;
+        if (!GLAD_GL_ARB_framebuffer_object)
+            return false;
+        if (!GLAD_GL_ARB_depth_texture)
+            return false;
+        if (!GLAD_GL_ARB_shadow)
+            return false;
+        return true;
+    }
+}

src/JGL/JGL.cpp

@@ -1,298 +0,0 @@
-//
-// Created by dawsh on 1/17/24.
-//
-
-#include <glad/glad.h>
-#include <JGL/JGL.h>
-#include <freetype2/ft2build.h>
-#include FT_FREETYPE_H
-#include <JGL/Color3.h>
-#include <iostream>
-
-
-GLuint program;
-
-namespace JGL
-{
-    FT_Face face;
-    FT_Library ft;
-
-    using namespace J3ML;
-
-    bool InitTextEngine() {
-        constexpr u32 default_font_size = 16;
-        if (FT_Init_FreeType(&ft))
-        {
-            std::cout << "Error::FREETYPE: " << std::endl;
-            return false;
-        }
-
-        if (FT_New_Face(ft, "assets/fonts/FreeSans.ttf", 0, &face))
-        {
-            std::cout << "Error::FREETYPE: Failed to load font!" << std::endl;
-            return false;
-        }
-
-        return true;
-    }
-
-    namespace J2D
-    {
-        void FillRect2D(const Color3 &color, const Vector2 &pos, const Vector2 &size) {
-            auto vp_pos = pos;
-            auto vp_size = size;
-            glBegin(GL_QUADS);
-            glColor3f(color.r/255.f, color.g/255.f, color.b/255.f);
-            glVertex2f(vp_pos.x, vp_pos.y);
-            glVertex2f(vp_pos.x, vp_pos.y + vp_size.y);
-            glVertex2f(vp_pos.x + vp_size.x, vp_pos.y + vp_size.y);
-            glVertex2f(vp_pos.x + vp_size.x, vp_pos.y);
-            glEnd();
-        }
-
-        void OutlineRect2D(const Color3 &color, const Vector2 &pos, const Vector2 &size, float thickness) {
-            auto vp_pos = pos;
-            auto vp_size = size;
-            glBegin(GL_LINE_LOOP);
-            glLineWidth(thickness);
-            glColor3f(color.r, color.g, color.b);
-            glVertex2f(vp_pos.x, vp_pos.y);
-            glVertex2f(vp_pos.x, vp_pos.y + vp_size.y);
-            glVertex2f(vp_pos.x + vp_size.x, vp_pos.y + vp_size.y);
-            glVertex2f(vp_pos.x + vp_size.x, vp_pos.y);
-            glEnd();
-        }
-
-        void DrawLine2D(const Color3 &color, const Vector2 &A, const Vector2 &B, float thickness) {
-            auto vp_a = A;
-            auto vp_b = B;
-
-            glBegin(GL_LINES);
-            glLineWidth(thickness);
-            glColor3f(color.r, color.g, color.b);
-            glVertex2f(vp_a.x, vp_a.y);
-            glVertex2f(vp_b.x, vp_b.y);
-            glEnd();
-
-        }
-
-        void DrawLine2D(const Color3 &color, float x, float y, float w, float h, float thickness) {
-            DrawLine2D(color, {x, y}, {w, h}, thickness);
-        }
-
-        void DrawPixel2D(const Color3 &color, float x, float y) {
-            DrawPixel2D(color, {x, y});
-        }
-
-        void DrawPixel2D(const Color3 &color, const Vector2 &coordinates) {
-            auto vp_pos = coordinates;
-            glBegin(GL_POINT);
-            glColor3f(color.r, color.g, color.b);
-            glVertex2f(vp_pos.x, vp_pos.y);
-            glEnd();
-        }
-
-        void
-        OutlineCircle2D(const Color3 &color, const Vector2 &center, float radius, int subdivisions, float thickness) {
-            glBegin(GL_LINE_LOOP);
-            GLfloat angle;
-            glColor3f(color.r, color.g, color.b);
-            float step = (2.f * M_PI) / (float)subdivisions;
-            for (angle = 0.0f; angle < (2.f * M_PI); angle += step)
-            {
-                GLfloat x = radius * sin(angle);
-                GLfloat y = radius * cos(angle);
-                x += center.x;
-                y += center.y;
-                glVertex2f(x, y);
-            }
-            glEnd();
-        }
-
-        void FillCircle2D(const Color3 &color, const Vector2 &center, float radius, int subdivisions) {
-            glBegin(GL_POLYGON);
-            GLfloat angle;
-            glColor3f(color.r, color.g, color.b);
-            float step = (2.f * M_PI) / (float)subdivisions;
-            for (angle = 0.0f; angle < (2.f * M_PI); angle += step)
-            {
-                GLfloat x = radius * sin(angle);
-                GLfloat y = radius * cos(angle);
-                x += center.x;
-                y += center.y;
-                glVertex2f(x, y);
-            }
-            glEnd();
-        }
-
-        void OutlineTriangle2D(const Color3& color, const Triangle2D& tri)
-        {
-            glBegin(GL_LINE_LOOP);
-            glColor3f(color.r/255.f, color.g/255.f, color.b/255.f);
-            glVertex2f(tri.A.x, tri.A.y);
-            glVertex2f(tri.B.x, tri.B.y);
-            glVertex2f(tri.C.x, tri.C.y);
-            glEnd();
-        }
-
-        void FillTriangle2D(const Color3& color, const Triangle2D& tri)
-        {
-            glBegin(GL_LINE_LOOP);
-            glColor3f(color.r/255.f, color.g/255.f, color.b/255.f);
-            glVertex2f(tri.A.x, tri.A.y);
-            glVertex2f(tri.B.x, tri.B.y);
-            glVertex2f(tri.C.x, tri.C.y);
-            glEnd();
-        }
-
-        void DrawString2D(const Color3& color, std::string text, float x, float y, float scale, u32 size) {
-            glUseProgram(0); // Fixed-function pipeline.
-            glColor3f(color.r/255.f, color.g/255.f, color.b/255.f);
-
-            FT_Set_Pixel_Sizes(face, 0, size);
-
-            GLuint textures[text.size()];
-            for (int i = 0; i < text.length(); i++)
-            {
-                if (FT_Load_Char(face, text.c_str()[i], FT_LOAD_RENDER))
-                    continue;
-
-                FT_GlyphSlot g = face->glyph;
-
-                glActiveTexture(GL_TEXTURE0);
-                glGenTextures(1, &textures[i]);
-                glBindTexture(GL_TEXTURE_2D, textures[i]);
-                glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-                glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-                glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-                glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-                glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 0);
-                glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0);
-                glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, g->bitmap.width, g->bitmap.rows, 0, GL_ALPHA, GL_UNSIGNED_BYTE, g->bitmap.buffer);
-
-                float x2 = x + g->bitmap_left * scale;
-                float y2 = -y - g->bitmap_top * scale; // Adjust y-coordinate
-                float w = g->bitmap.width * scale;
-                float h = g->bitmap.rows * scale;
-
-                glBegin(GL_TRIANGLES);
-
-                glTexCoord2f(0, 0);
-                glVertex2f(x2, y2);
-
-                glTexCoord2f(0, 1);
-                glVertex2f(x2, y2 + h);
-
-                glTexCoord2f(1, 1);
-                glVertex2f(x2 + w, y2 + h);
-
-                glTexCoord2f(0, 0);
-                glVertex2f(x2, y2);
-
-                glTexCoord2f(1, 1);
-                glVertex2f(x2 + w, y2 + h);
-
-                glTexCoord2f(1, 0);
-                glVertex2f(x2 + w, y2);
-
-                glEnd();
-
-                x += (g->advance.x >> 6) * scale;
-                y += (g->advance.y >> 6) * scale;
-            }
-            for (auto& t : textures)
-                glDeleteTextures(1, &t);
-            glBindTexture(GL_TEXTURE_2D, 0); // Unbind texture
-        }
-    }
-
-
-    namespace J3D
-    {
-        void DrawLine3D(const Color3& color, const Vector3& A, const Vector3& B, float thickness)
-        {
-            glBegin(GL_LINES);
-            glLineWidth(thickness);
-            glColor3f(color.r/255.f, color.g/255.f, color.b/255.f);
-            glVertex3f(A.x, A.y, A.z);
-            glVertex3f(B.x, B.y, B.z);
-            glEnd();
-        }
-
-        void DrawString3D(const Color3& color, const std::string& text, const Vector3& pos, float scale, u32 size)
-        {
-            float x = pos.x;
-            float y = pos.y;
-            float z = pos.z;
-            GLfloat currentColor[4];
-            GLuint textures[text.size()];
-            glGetFloatv(GL_CURRENT_COLOR, currentColor);
-            glUseProgram(0); // Fixed-function pipeline.
-            glColor4f(color.r, color.g, color.b, 1.0f);
-
-            FT_Set_Pixel_Sizes(face, 0, size);
-
-            //for (c = text.c_str(); *c; c++)
-            for (int i = 0; i < text.length(); i++)
-            {
-                if (FT_Load_Char(face, text.c_str()[i], FT_LOAD_RENDER))
-                    continue;
-
-                FT_GlyphSlot g = face->glyph;
-                glEnable(GL_BLEND);
-                glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-                glActiveTexture(GL_TEXTURE0);
-                glEnable(GL_TEXTURE_2D);
-                glGenTextures(1, &textures[i]);
-                glBindTexture(GL_TEXTURE_2D, textures[i]);
-                glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-                glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-                glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-                glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-                glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 0);
-                glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0);
-                glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, g->bitmap.width, g->bitmap.rows, 0, GL_ALPHA, GL_UNSIGNED_BYTE, g->bitmap.buffer);
-
-                float x2 = x + g->bitmap_left * scale;
-                float y2 = -y - g->bitmap_top * scale; // Adjust y-coordinate
-                float z2 = z;
-                float w = g->bitmap.width * scale;
-                float h = g->bitmap.rows * scale;
-
-                glBegin(GL_TRIANGLES);
-
-                glTexCoord2f(0, 0);
-                glVertex3f(x2, y2, z2);
-
-                glTexCoord2f(0, 1);
-                glVertex3f(x2, y2 + h, z2);
-
-                glTexCoord2f(1, 1);
-                glVertex3f(x2 + w, y2 + h, z2);
-
-                glTexCoord2f(0, 0);
-                glVertex3f(x2, y2, z2);
-
-                glTexCoord2f(1, 1);
-                glVertex3f(x2 + w, y2 + h, z2);
-
-                glTexCoord2f(1, 0);
-                glVertex3f(x2 + w, y2, z2);
-
-                glEnd();
-
-                x += (g->advance.x >> 6) * scale;
-                y += (g->advance.y >> 6) * scale;
-
-            }
-
-            for (auto& t : textures)
-                glDeleteTextures(1, &t);
-            glDisable(GL_TEXTURE_2D);
-            glDisable(GL_BLEND);
-            glBindTexture(GL_TEXTURE_2D, 0); // Unbind texture
-            glColor4f(currentColor[0], currentColor[1], currentColor[2], currentColor[3]); //Set draw color back to whatever it was before.
-        }
-
-    }
-}

src/ShapeCache.cpp

@@ -0,0 +1,57 @@
+#include <JGL/JGL.h>
+
+void JGL::ShapeCache::Init() {
+    std::array<Vector3, 8> vertices = {
+            Vector3(1.0f,  1.0f, -1.0f),
+            Vector3(1.0f, -1.0f, -1.0f),
+            Vector3(1.0f,  1.0f,  1.0f),
+            Vector3(1.0f, -1.0f,  1.0f),
+            Vector3(-1.0f,  1.0f, -1.0f),
+            Vector3(-1.0f, -1.0f, -1.0f),
+            Vector3(-1.0f,  1.0f,  1.0f),
+            Vector3(-1.0f, -1.0f,  1.0f)
+    };
+    std::array<unsigned int, 36> indices = {
+            4, 2, 0,
+            2, 7, 3,
+            6, 5, 7,
+            1, 7, 5,
+            0, 3, 1,
+            4, 1, 5,
+            4, 6, 2,
+            2, 6, 7,
+            6, 4, 5,
+            1, 3, 7,
+            0, 2, 3,
+            4, 0, 1
+    };
+
+    std::array<Vector3, 8> vertex_normals = {
+            Vector3( 0.816f,  0.408f, -0.408f),
+            Vector3( 0.333f, -0.667f, -0.667f),
+            Vector3( 0.333f,  0.667f,  0.667f),
+            Vector3( 0.816f, -0.408f,  0.408f),
+            Vector3(-0.333f,  0.667f, -0.667f),
+            Vector3(-0.816f, -0.408f, -0.408f),
+            Vector3(-0.816f,  0.408f,  0.408f),
+            Vector3(-0.333f, -0.667f,  0.667f)
+    };
+
+    if (!cube_vertex_data)
+        cube_vertex_data = new VRamList(vertices.data(), vertices.size());
+
+    if (!cube_index_data)
+        cube_index_data = new VRamList(indices.data(), indices.size());
+
+    if (!cube_normal_data)
+        cube_normal_data = new VRamList(vertex_normals.data(), vertex_normals.size());
+
+    if (!square_origin_topleft_vertex_data) {
+        std::array<Vector2, 4> square_vertices = { Vector2(0, 0), {1, 0}, {1, -1}, {0, -1} };
+        square_origin_topleft_vertex_data = new VRamList(square_vertices.data(), square_vertices.size());
+    }
+    if (!j2d_default_normal_data) {
+        std::array<GLfloat, 3> normal {0, 0, 1};
+        j2d_default_normal_data = new VRamList(normal.data(), normal.size());
+    }
+}

src/logger/logger.cpp

@@ -0,0 +1,9 @@
+#include <JGL/logger/logger.h>
+
+namespace JGL::Logger {
+    using namespace jlog;
+
+    GenericLogger Fatal {"JGL::fatal", GlobalLogFile, Colors::Reds::Crimson, Colors::Gray, Colors::Gray, Colors::Reds::Crimson, Colors::White};
+    GenericLogger Debug {"JGL::debug", GlobalLogFile, Colors::Purples::Purple, Colors::Gray, Colors::Gray, Colors::Purples::Purple, Colors::White};
+    GenericLogger Error {"JGL::error", GlobalLogFile, Colors::Red, Colors::Gray, Colors::Gray, Colors::Red, Colors::White};
+}

src/renderer/OpenGL/J3D.cpp

@@ -0,0 +1,583 @@
+#include <JGL/JGL.h>
+#include <JGL/logger/logger.h>
+#include <J3ML/Geometry/AABB.hpp>
+#include <J3ML/Geometry/OBB.hpp>
+#include <J3ML/Algorithm/Bezier.hpp>
+#include <JGL/types/Light.h>
+#include "internals/internals.h"
+
+
+std::array<GLfloat, 16> JGL::OpenGLPerspectiveProjectionRH(float fovY, float aspect, float z_near, float z_far) {
+    std::array<GLfloat, 16> result{};
+    GLfloat f = 1.0f / std::tan(fovY * 0.5f * Math::Pi / 180.0f);
+    result[0] = f / aspect;
+    result[5] = f;
+    result[10] = (z_far + z_near) / (z_near - z_far);
+    result[11] = -1.0f;
+    result[14] = (2.0f * z_far * z_near) / (z_near - z_far);
+    return result;
+}
+
+void JGL::J3D::ChangeFOV(float fov) {
+    JGL::J3D::fov = fov;
+}
+
+void JGL::J3D::ChangeFarPlane(float far_plane) {
+    JGL::J3D::far_plane = far_plane;
+}
+
+void JGL::J3D::RequiredLight(const JGL::LightBase* light) {
+    bool success = false;
+    for (auto& i : current_state.required_lights)
+        if (i == nullptr) {
+            i = light;
+            success = true;
+            break;
+        }
+
+    if (!success)
+        Logger::Error("You cannot specify more than 8 required lights.");
+}
+
+void JGL::J3D::OptionalLights(const JGL::LightBase** lights, const size_t& light_count) {
+    for (size_t i = 0; i < light_count; i++)
+        current_state.optional_lights.push_back(lights[i]);
+}
+
+void JGL::J3D::Begin(bool two_pass) {
+    auto aspect = (float) window_size.x / (float) window_size.y;
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glMultMatrixf(OpenGLPerspectiveProjectionRH(fov, aspect, 0.001, far_plane).data());
+    glMatrixMode(GL_MODELVIEW);
+
+    //Get what the draw color was before we did anything.
+    glGetFloatv(GL_CURRENT_COLOR, current_state.draw_color);
+    glColor4fv(current_state.draw_color);
+
+    if (!glIsEnabled(GL_DEPTH_TEST))
+        current_state.depth_test = false,
+        glEnable(GL_DEPTH_TEST);
+    else
+        current_state.depth_test = true;
+
+    current_state.vertex_array = false;
+    if (!glIsEnabled(GL_VERTEX_ARRAY))
+        current_state.vertex_array = false,
+        glEnableClientState(GL_VERTEX_ARRAY);
+
+    if (glIsEnabled(GL_NORMAL_ARRAY))
+        current_state.normal_array = true,
+        glDisableClientState(GL_NORMAL_ARRAY);
+
+    if (glIsEnabled(GL_TEXTURE_COORD_ARRAY))
+        current_state.texture_coordinate_array = true,
+        glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+
+    if (glIsEnabled(GL_TEXTURE_2D))
+        current_state.texture_2D = true,
+        glDisable(GL_TEXTURE_2D);
+
+    current_state.cull_face = false;
+    if (glIsEnabled(GL_CULL_FACE))
+        current_state.cull_face = true,
+        glDisable(GL_CULL_FACE);
+
+    if (!glIsEnabled(GL_BLEND))
+        current_state.blend = false,
+        glEnable(GL_BLEND),
+        glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+    else
+        current_state.blend = true;
+
+    // Reset the lights.
+    current_state.required_lights = empty_light_array;
+    current_state.optional_lights = {};
+
+    glDisable(GL_LIGHTING);
+}
+
+void JGL::J3D::End() {
+    if (!current_state.depth_test)
+        glDisable(GL_DEPTH_TEST);
+
+    if (!current_state.vertex_array)
+        glDisableClientState(GL_VERTEX_ARRAY);
+
+    if (current_state.texture_2D)
+        glEnable(GL_TEXTURE_2D);
+
+    if (!current_state.blend)
+        glDisable(GL_BLEND);
+
+    if (current_state.cull_face)
+        glEnable(GL_CULL_FACE);
+
+    if (current_state.normal_array)
+        glEnableClientState(GL_NORMAL_ARRAY);
+
+    if (current_state.texture_coordinate_array)
+        glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+
+    if (glIsEnabled(GL_LIGHTING)) {
+        glDisable(GL_LIGHTING);
+        glDisable(GL_LIGHT0);
+        glDisable(GL_LIGHT1);
+        glDisable(GL_LIGHT2);
+        glDisable(GL_LIGHT3);
+        glDisable(GL_LIGHT4);
+        glDisable(GL_LIGHT5);
+        glDisable(GL_LIGHT6);
+        glDisable(GL_LIGHT7);
+    }
+
+    current_state.required_lights = empty_light_array;
+    current_state.optional_lights = {};
+
+    //Put the draw color back how it was before.
+    glColor4fv(current_state.draw_color);
+}
+
+void JGL::J3D::DrawLine(const Color4& color, const Vector3& A, const Vector3& B, float thickness) {
+    Vector3 vertices[] = {A, B};
+
+    glLineWidth(thickness);
+    glColor4ubv(color.ptr());
+    glVertexPointer(3, GL_FLOAT, sizeof(Vector3), vertices);
+    glDrawArrays(GL_LINES, 0, 2);
+    glColor4fv(current_state.draw_color);
+}
+
+void JGL::J3D::WireframeSphere(const Color4& color, const Vector3& position, float radius, float thickness, unsigned int sectors, unsigned int stacks) {
+    Sphere sphere = {position, radius};
+    BatchWireframeSphere(color,& sphere, 1, thickness, sectors, stacks);
+}
+
+void JGL::J3D::WireframeSphere(const Color4& color, const Sphere& sphere, float thickness, unsigned int sectors, unsigned int stacks) {
+    BatchWireframeSphere(color,& sphere, 1, thickness, sectors, stacks);
+}
+
+void JGL::J3D::BatchWireframeSphere(const Color4& color, const Sphere* spheres, const size_t& sphere_count, float thickness, unsigned int sectors, unsigned int stacks) {
+    // Create one sphere with a radius of 1 about 0, 0.
+    float r = 1;
+    std::vector<Vector3> vertices((sectors + 1) * (stacks + 1));
+
+    int index = 0;
+    for (int i = 0; i <= sectors; i++) {
+        float lat = J3ML::Math::Pi * (-0.5 + (float) i / sectors);
+        float z = J3ML::Math::Sin(lat);
+        float zr = J3ML::Math::Cos(lat);
+
+        for (int j = 0; j <= stacks; j++) {
+            float lng = 2 * J3ML::Math::Pi * (float) (j - 1) / stacks;
+            float x = J3ML::Math::Cos(lng);
+            float y = J3ML::Math::Sin(lng);
+
+            float pos_x = r * x * zr;
+            float pos_y = r * y * zr;
+            float pos_z = r * z;
+
+            vertices[index++] = Vector3(pos_x, pos_y, pos_z);
+        }
+    }
+
+    glLineWidth(thickness);
+    glColor4ubv(color.ptr());
+    glVertexPointer(3, GL_FLOAT, sizeof(Vector3), vertices.data());
+
+    // Render each sphere in the batch at their given position and radius.
+    for(size_t i = 0; i < sphere_count; i++) {
+        glPushMatrix();
+        glTranslatef(spheres[i].Position.x, spheres[i].Position.y, spheres[i].Position.z);
+        glScalef(spheres[i].Radius, spheres[i].Radius, spheres[i].Radius);
+        glDrawArrays(GL_LINE_LOOP, 0, vertices.size());
+        glPopMatrix();
+    }
+    glColor4fv(current_state.draw_color);
+}
+
+void JGL::J3D::WireframeRevoSphere(const Color4& color, const Vector3& position, float radius, float thickness, unsigned int sectors, unsigned int revolutions, bool draw_stacks) {
+    Sphere sphere = {position, radius};
+    BatchWireframeRevoSphere(color,& sphere, 1, thickness, sectors, revolutions, draw_stacks);
+}
+
+void JGL::J3D::WireframeRevoSphere(const Color4& color, const Sphere& sphere, float thickness, unsigned int sectors, unsigned int revolutions, bool draw_stacks) {
+    BatchWireframeRevoSphere(color,& sphere, 1, thickness, sectors, revolutions, draw_stacks);
+}
+
+void JGL::J3D::BatchWireframeRevoSphere(const Color4& color, const Sphere* spheres, const size_t& sphere_count, float thickness, unsigned int sectors, unsigned int revolutions, bool draw_stacks) {
+    float r = 1;
+    std::vector<Vector3> vertices;
+    vertices.reserve((sectors + 1) * (revolutions + 1));
+
+    std::vector<Vector3> cross_section(sectors + 1);
+    for (int i = 0; i <= sectors; i++) {
+        float lat = J3ML::Math::Pi * (-0.5 + (float)i / sectors);
+        float z = J3ML::Math::Sin(lat);
+        float zr = J3ML::Math::Cos(lat);
+        cross_section[i] = Vector3(0, zr * r, z * r);
+    }
+
+    // Revolve
+    for (int j = 0; j <= revolutions; j++) {
+        float lng = 2 * J3ML::Math::Pi * (float)j / revolutions;
+        float cosLng = J3ML::Math::Cos(lng);
+        float sinLng = J3ML::Math::Sin(lng);
+
+        for (const auto& point : cross_section) {
+            float pos_x = point.y * cosLng;
+            float pos_y = point.y * sinLng;
+            float pos_z = point.z;
+
+            vertices.emplace_back(pos_x, pos_y, pos_z);
+        }
+    }
+
+    glLineWidth(thickness);
+    glColor4ubv(color.ptr());
+
+    VRamList vertex_data(vertices.data(), vertices.size());
+    glBindBuffer(GL_ARRAY_BUFFER, vertex_data.GetHandle());
+    glVertexPointer(3, GL_FLOAT, sizeof(Vector3), nullptr);
+
+    // Render each sphere in the batch at their given position and radius.
+    for(size_t i = 0; i < sphere_count; i++) {
+        glPushMatrix();
+        glTranslatef(spheres[i].Position.x, spheres[i].Position.y, spheres[i].Position.z);
+        glScalef(spheres[i].Radius, spheres[i].Radius, spheres[i].Radius);
+        glDrawArrays(GL_LINE_LOOP, 0, vertex_data.GetLength());
+        if (draw_stacks)
+            glRotatef(90, 0, 1, 0),
+                    glDrawArrays(GL_LINE_LOOP, 0, vertex_data.GetLength());
+        glPopMatrix();
+    }
+    glBindBuffer(GL_ARRAY_BUFFER, 0);
+    glColor4fv(current_state.draw_color);
+}
+
+void JGL::J3D::WireframeIcosphere(const Color4& color, const Vector3& position, float radius, float thickness, unsigned int subdivisions) {
+
+    // NOTE2SELF: Code i'm borrowing this from uses float-packed-arrays rather than discrete Vectors
+    // working on translating that correctly...
+
+    // TODO: Revise this once J3ML::Geometry::Icosahedron is implemented.
+    const float h_angle = J3ML::Math::Pi / 180.f * 72.f;    // 72 degree = 360 / 5;
+    const float v_angle = J3ML::Math::Atan(1.0f / 2.f);     // elevation = 26.565;
+
+    std::vector<Vector3> vertices;                   // array of 12 vertices (x,y,z)
+    unsigned int index = 0;                                      // indices
+    float z, xy;                                        // coords
+    float hAngle1 = -Math::Pi / 2.f - h_angle / 2.f;    // start from -126 at 1st row
+    float hAngle2 = -Math::Pi / 2.f;                    // start from -90 deg at 2nd row
+
+    // the first top vertex at (0,0,r)
+    vertices[0] = position + Vector3{0,0,radius};
+
+
+
+    // compute 10 vertices at 1st and 2nd rows
+    for (int i = 1; i <= 5; ++i)
+    {
+
+        z  = radius * Math::Sin(v_angle);   // elevation
+        xy = radius * Math::Cos(v_angle);   // length on XY plane
+
+        vertices[index++] = position + Vector3{xy * Math::Cos(hAngle1), xy * Math::Sin(hAngle1), z} ;
+        vertices[index++] = position + Vector3{xy * Math::Cos(hAngle2), xy * Math::Sin(hAngle2), -z};
+
+        // next horizontal angles
+        hAngle1 += h_angle;
+        hAngle2 += h_angle;
+    }
+
+    // the last bottom vertex at (0, 0, -r)
+    vertices[11] = position + Vector3{0,0, -radius};
+
+    //glLineWidth(thickness);
+    //glColor4ubv(color.ptr());
+    //glBindBuffer(GL_ARRAY_BUFFER, vertices.size());
+    //glVertexPointer(3, GL_FLOAT, sizeof(Vector3), vertices.data());
+    //glDrawArrays(GL_TRIANGLE_STRIP, 0, vertices.size());
+    //glColor4fv(baseColor);
+
+    std::vector<Vector3> tmpVertices;
+    std::vector<Vector3> tmpIndices;
+    std::vector<Vector2> newVs((subdivisions+1) * (subdivisions+2) / 2 * 3);
+    const Vector3 v1, v2, v3;
+    Vector3 newV1, newV2, newV3;
+
+    int i, j, k;
+    index = 0;              // unsigned int
+    float a;                // lerp alpha
+    unsigned int i1, i2;    // indices
+
+    // copy prev arrays
+    tmpVertices = vertices;
+    //tmpIndices = indices;
+
+    // iterate each triangle of icosahedron
+    for (i = 0; i < tmpIndices.size(); i++)
+    {
+        //v1 = tmpVertices[tmpIndices[i]];
+        //v2 = tmpVertices[tmpIndices[i+1]];
+        //v3 = tmpVertices[tmpIndices[i+2]];
+
+    }
+}
+
+void JGL::J3D::WireframeIcosahedron(const Color4& color, const Vector3& position, float radius, float thickness) {
+    // TODO: Revise this once J3ML::Geometry::Icosahedron is implemented.
+    const float h_angle = J3ML::Math::Pi / 180.f * 72.f;    // 72 degree = 360 / 5;
+    const float v_angle = J3ML::Math::Atan(1.0f / 2.f);     // elevation = 26.565;
+
+    std::array<Vector3, 12> vertices;                   // array of 12 vertices (x,y,z)
+    int index = 0;                                      // indices
+    float z, xy;                                        // coords
+    float hAngle1 = -Math::Pi / 2.f - h_angle / 2.f;    // start from -126 at 1st row
+    float hAngle2 = -Math::Pi / 2.f;                    // start from -90 deg at 2nd row
+
+    // the first top vertex at (0,0,r)
+    vertices[0] = position + Vector3{0,0,radius};
+
+
+
+    // compute 10 vertices at 1st and 2nd rows
+    for (int i = 1; i <= 5; ++i)
+    {
+
+        z  = radius * Math::Sin(v_angle);   // elevation
+        xy = radius * Math::Cos(v_angle);   // length on XY plane
+
+        vertices[index++] = position + Vector3{xy * Math::Cos(hAngle1), xy * Math::Sin(hAngle1), z} ;
+        vertices[index++] = position + Vector3{xy * Math::Cos(hAngle2), xy * Math::Sin(hAngle2), -z};
+
+        // next horizontal angles
+        hAngle1 += h_angle;
+        hAngle2 += h_angle;
+    }
+
+    // the last bottom vertex at (0, 0, -r)
+    vertices[11] = position + Vector3{0,0, -radius};
+
+    glLineWidth(thickness);
+    glColor4ubv(color.ptr());
+    //glBindBuffer(GL_ARRAY_BUFFER, vertices.size());
+    glVertexPointer(3, GL_FLOAT, sizeof(Vector3), vertices.data());
+    glDrawArrays(GL_TRIANGLE_STRIP, 0, vertices.size());
+    glColor4fv(current_state.draw_color);
+}
+
+void JGL::J3D::BatchWireframeAABB(const Color4& color, const AABB* boxes, const size_t& box_count, float thickness) {
+    glColor4ubv(color.ptr());
+    glLineWidth(thickness);
+
+    glBindBuffer(GL_ARRAY_BUFFER, ShapeCache::cube_vertex_data->GetHandle());
+    glVertexPointer(3, GL_FLOAT, sizeof(Vector3), nullptr);
+
+    for (size_t i = 0; i < box_count; i++) {
+        Vector3 delta = (boxes[i].maxPoint - boxes[i].minPoint) / 2;
+        Vector3 center = boxes[i].Centroid();
+        glPushMatrix();
+        glTranslatef(center.x, center.y, center.z);
+        glScalef(delta.x, delta.y, delta.z);
+        glDrawArrays(GL_LINES, 0, ShapeCache::cube_vertex_data->GetLength());
+        glPopMatrix();
+    }
+    glBindBuffer(GL_ARRAY_BUFFER, 0);
+    glColor4fv(current_state.draw_color);
+}
+
+void JGL::J3D::WireframeAABB(const Color4& color, const Vector3& pos, const Vector3& radii, float thickness) {
+    AABB aabb = {Vector3(pos.x - radii.x, pos.y - radii.y, pos.z - radii.z), Vector3(pos.x + radii.x, pos.y + radii.y, pos.z + radii.z)};
+    BatchWireframeAABB(color, &aabb, 1, thickness);
+}
+
+void JGL::J3D::BatchFillAABB(const Color4& color, const AABB* boxes, const size_t& box_count) {
+    glColor4ubv(color.ptr());
+
+    glBindBuffer(GL_ARRAY_BUFFER, ShapeCache::cube_vertex_data->GetHandle());
+    glVertexPointer(3, GL_FLOAT, sizeof(Vector3), nullptr);
+    glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ShapeCache::cube_index_data->GetHandle());
+
+    glEnable(GL_CULL_FACE);
+    glCullFace(GL_BACK);
+
+    bool using_lights = false;
+    if (UsingLighting()) {
+        using_lights = true;
+        glEnableClientState(GL_NORMAL_ARRAY);
+        glBindBuffer(GL_ARRAY_BUFFER, ShapeCache::cube_normal_data->GetHandle());
+        glNormalPointer(GL_FLOAT, sizeof(float), nullptr);
+    }
+
+    for (size_t i = 0; i < box_count; i++) {
+        Vector3 delta = (boxes[i].maxPoint - boxes[i].minPoint) / 2;
+        Vector3 center = boxes[i].Centroid();
+        glPushMatrix();
+        glTranslatef(center.x, center.y, center.z);
+        glScalef(delta.x, delta.y, delta.z);
+        if (using_lights)
+            SelectLights(center);
+        glDrawElements(GL_TRIANGLES, 36, GL_UNSIGNED_INT, nullptr);
+        if (using_lights)
+            ResetLights();
+
+        glPopMatrix();
+    }
+    glColor4fv(current_state.draw_color);
+    if (using_lights)
+        glDisableClientState(GL_NORMAL_ARRAY);
+    glDisable(GL_CULL_FACE);
+}
+void JGL::J3D::FillAABB(const Color4& color, const Vector3& pos, const Vector3& radii) {
+    AABB box = {pos - radii, pos + radii};
+    BatchFillAABB(color, &box, 1);
+}
+
+void JGL::J3D::FillAABB(const Color4& color, const AABB& aabb) {
+    BatchFillAABB(color, &aabb, 1);
+}
+
+void JGL::J3D::FillSphere(const Color4& color, const Sphere& sphere, unsigned int sectors, unsigned int stacks) {
+    BatchFillSphere(color, &sphere, 1, sectors, stacks);
+}
+
+void JGL::J3D::BatchFillSphere(const Color4& color, const Sphere* spheres, const size_t& sphere_count, unsigned int sectors, unsigned int stacks) {
+    float r = 1;
+    std::vector<Vector3> vertices((sectors + 1) * (stacks + 1));
+    std::vector<unsigned int> indices; indices.reserve(sectors * stacks * 6);
+
+    float two_pi = 2 * J3ML::Math::Pi;
+    int index = 0;
+    for (int i = 0; i <= sectors; i++) {
+        float lat = J3ML::Math::Pi * (-0.5 + (float) i / sectors);
+        float z = J3ML::Math::Sin(lat);
+        float zr = J3ML::Math::Cos(lat);
+
+        for (int j = 0; j <= stacks; j++) {
+            float lng =  two_pi * (float) (j - 1) / stacks;
+            float x = J3ML::Math::Cos(lng);
+            float y = J3ML::Math::Sin(lng);
+
+            float pos_x = r * x * zr;
+            float pos_y = r * y * zr;
+            float pos_z = r * z;
+            vertices[index++] = Vector3(pos_x, pos_y, pos_z);
+        }
+    }
+
+    for (int i = 0; i < sectors; i++) {
+        for (int j = 0; j < stacks; j++) {
+            int first_index = i * (stacks + 1) + j;
+            int second_index = first_index + stacks + 1;
+
+            indices.push_back(first_index);
+            indices.push_back(second_index);
+            indices.push_back(first_index + 1);
+
+            indices.push_back(second_index);
+            indices.push_back(second_index + 1);
+            indices.push_back(first_index + 1);
+        }
+    }
+
+    VRamList vertex_data(vertices.data(), vertices.size());
+    VRamList index_data(indices.data(), indices.size());
+
+    glColor4ubv(color.ptr());
+    glBindBuffer(GL_ARRAY_BUFFER, vertex_data.GetHandle());
+    glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, index_data.GetHandle());
+    glVertexPointer(3, GL_FLOAT, sizeof(Vector3), nullptr);
+
+    for (size_t i = 0; i < sphere_count; i++) {
+        const Vector3 position = spheres[i].Position;
+        glPushMatrix();
+        glTranslatef(position.x, position.y, position.z);
+        glScalef(spheres[i].Radius, spheres[i].Radius, spheres[i].Radius);
+        glDrawElements(GL_TRIANGLES, index_data.GetLength(), GL_UNSIGNED_INT, nullptr);
+        glPopMatrix();
+    }
+    glBindBuffer(GL_ARRAY_BUFFER, 0);
+    glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
+    glColor4fv(current_state.draw_color);
+}
+
+void JGL::J3D::FillSphere(const Color4& color, const Vector3& position, float radius, unsigned int sectors, unsigned int stacks) {
+    Sphere sphere = {position, radius};
+    BatchFillSphere(color, &sphere, 1, sectors, stacks);
+}
+
+void JGL::J3D::WireframeAABB(const Color4& color, const AABB& aabb, float thickness) {
+    BatchWireframeAABB(color, &aabb, 1, thickness);
+}
+
+// TODO Make it work the same as AABB batching. I couldn't get rotation to do anything more than twitch in place :(.
+void JGL::J3D::BatchWireframeOBB(const Color4& color, const OBB* boxes, const size_t& box_count, float thickness) {
+    std::array<Vector3, 8> corner_points;
+    std::array<GLuint, 24> indices =
+            {
+                    0, 1, 1, 2, 2, 3, 3, 0,
+                    4, 5, 5, 6, 6, 7, 7, 4,
+                    0, 4, 1, 5, 2, 6, 3, 7
+            };
+
+    glLineWidth(thickness);
+    glColor4ubv(color.ptr());
+    glVertexPointer(3, GL_FLOAT, sizeof(Vector3), corner_points.data());
+
+    for (size_t i = 0; i < box_count; i++) {
+        boxes[i].GetCornerPoints(corner_points.data());
+        glPushMatrix();
+        glTranslatef(boxes[i].pos.x, boxes[i].pos.y, boxes[i].pos.z);
+        glDrawElements(GL_LINES, indices.size(), GL_UNSIGNED_INT, indices.data());
+        glPopMatrix();
+    }
+    glColor4fv(current_state.draw_color);
+}
+
+void JGL::J3D::WireframeOBB(const Color4& color, const OBB& obb, float thickness) {
+    BatchWireframeOBB(color, &obb, 1, thickness);
+}
+
+/*
+void JGL::J3D::WireframeOBB(const Color4& color, const Vector3& position, const Vector3& radii, const Matrix3x3& orientation, float thickness) {
+    WireframeOBB(color, OBB(position, radii, orientation. * Vector3::UnitX, rotation * Vector3::UnitY, rotation * Vector3::UnitZ), thickness);
+}
+ */
+
+void JGL::J3D::DrawCubicBezierCurve(const Color4& color, const Vector3& controlA, const Vector3& pointA,
+                               const Vector3& pointB, const Vector3& controlB, int subdivisions, float thickness) {
+    Vector3 last = controlA;
+    const Vector3& first = controlB;
+    for (int i = 0; i < subdivisions; ++i)
+    {
+        float alpha = (float) i / (float) subdivisions;
+        Vector3 step = J3ML::Algorithm::Bezier(alpha, controlA, pointA, pointB, controlB);
+        DrawLine(color, last, step, thickness);
+        last = step;
+    }
+
+    // Have to manually draw the last segment of the curve.
+    DrawLine(color, last, first, thickness);
+}
+
+void JGL::J3D::DrawVertexArray(const Color4& color, const VertexArray& vertex_array, const Vector3& position) {
+    glColor4ubv(color.ptr());
+
+    glEnableClientState(GL_VERTEX_ARRAY);
+    glBindBuffer(GL_ARRAY_BUFFER, vertex_array.GetVertices()->GetHandle());
+    glVertexPointer(3, GL_FLOAT, 0, nullptr);
+
+    glPushMatrix();
+    glTranslatef(position.x, position.y, position.z);
+        //glScalef(1,1,1);
+        glDrawArrays(GL_TRIANGLES, 0, vertex_array.GetVertices()->GetLength());
+    glPopMatrix();
+
+        //glDrawElements(GL_LINES, vertex_array.GetIndices()->GetLength(), GL_UNSIGNED_INT, nullptr);
+        //std::cout << vertex_array.GetVertices()->GetLength() << std::endl;
+    glColor4fv(current_state.draw_color);
+    glBindBuffer(GL_ARRAY_BUFFER, 0);
+    glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
+
+}

src/renderer/OpenGL/TextRendering.cpp

@@ -0,0 +1,252 @@
+#include <JGL/JGL.h>
+#include "internals/internals.h"
+
+
+#if __linux__
+    #include <freetype2/ft2build.h>
+    #include FT_FREETYPE_H
+    #include FT_OUTLINE_H
+#endif
+
+#if _WIN32
+    #include <ft2build.h>
+    #include FT_FREETYPE_H
+    #include FT_OUTLINE_H
+#endif
+
+#include <JGL/types/Font.h>
+#include <JGL/types/FontCache.h>
+#include <JGL/logger/logger.h>
+
+namespace JGL {
+    CachedFont* CacheFont(const Font& font, u32 size) {
+
+        glEnable(GL_TEXTURE_2D);
+        CachedFont* cachedFont;
+        FT_Set_Pixel_Sizes(font.face, 0, size);
+        Logger::Debug("Caching font data...");
+        GLuint texture_id;
+        glGenTextures(1, &texture_id);
+        glBindTexture(GL_TEXTURE_2D, texture_id);
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 0);
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0);
+
+        GLsizei width = 0;
+        GLsizei max_height = 0;
+        FT_ULong charcode;
+        FT_UInt gindex;
+
+        //We have to loop over the available glyphs twice as we need the
+        //final width and height of the texture_handle before we can construct it
+        //and subsequently upload the glyph data.
+        charcode = FT_Get_First_Char(font.face, &gindex);
+        //Strings are char-based so we only handle charcodes within the extended ASCII range.
+        while (gindex != 0 && charcode < 255) {
+            if (FT_Load_Char(font.face, charcode, FT_LOAD_RENDER))
+                std::cout << "Error::FREETYPE: Failed to load charcode: " << charcode << std::endl;
+
+            FT_GlyphSlot g = font.face->glyph;
+            width += g->bitmap.width;
+            max_height = std::max(max_height, (GLsizei) g->bitmap.rows);
+            charcode = FT_Get_Next_Char(font.face, charcode, &gindex);
+        }
+
+        fontCache.newFont(texture_id, width, max_height, size, font.index);
+        cachedFont = fontCache.getFont(size, font.index);
+
+        glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, width, max_height, 0, GL_ALPHA, GL_UNSIGNED_BYTE, nullptr);
+
+        GLsizei xoffset = 0;
+
+        charcode = FT_Get_First_Char(font.face, &gindex);
+        while (gindex != 0 && charcode < 255) {
+            if (FT_Load_Char(font.face, charcode, FT_LOAD_RENDER))
+                std::cout << "Error::FREETYPE: Failed to load charcode: " << charcode << std::endl;
+
+            FT_GlyphSlot g = font.face->glyph;
+            glTexSubImage2D(GL_TEXTURE_2D, 0, xoffset, 0, g->bitmap.width, g->bitmap.rows, GL_ALPHA, GL_UNSIGNED_BYTE, g->bitmap.buffer);
+
+            GLfloat u0 = (GLfloat)xoffset / cachedFont->getTextureWidth();
+            GLfloat u1 = u0 + (GLfloat)g->bitmap.width / cachedFont->getTextureWidth();
+
+            GLfloat v0 = 0.0f;
+            GLfloat v1 = (GLfloat)g->bitmap.rows / cachedFont->getTextureHeight();
+
+            std::array<GLfloat, 12> texcoords
+            {
+                u0, v0,
+                u0, v1,
+                u1, v1,
+                u0, v0,
+                u1, v1,
+                u1, v0
+            };
+
+            cachedFont->appendGlyph(new CachedGlyph((char)charcode, texcoords, g->bitmap_left, g->bitmap_top, g->bitmap.width, g->bitmap.rows, (g->advance.x >> 6), (g->advance.y >> 6)));
+
+            xoffset += g->bitmap.width;
+            charcode = FT_Get_Next_Char(font.face, charcode, &gindex);
+        }
+        glDisable(GL_TEXTURE_2D);
+        return cachedFont;
+    }
+
+    void J2D::DrawString(const Color4& color, const std::string& text, float x, float y, float scale, u32 size, const Font& font) {
+        // Offset by height to render at "correct" location.
+        y += size;
+
+        bool round_text_coords_for_crisp_rendering = true;
+
+        // TODO: This currently does not account for non-integer scale factors.
+        if (round_text_coords_for_crisp_rendering)
+        {
+            x = J3ML::Math::Floor(x);
+            y = J3ML::Math::Floor(y);
+        }
+
+        CachedFont* cachedFont = fontCache.getFont(size, font.index);
+
+        if (font.face == nullptr)
+            Logger::Fatal("Drawing a string with an uninitialized font?");
+
+        //If the font doesn't exist in the cache yet.
+        if (!cachedFont)
+            cachedFont = CacheFont(font, size);
+
+        glColor4ubv(color.ptr());
+
+        glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+        glEnable(GL_TEXTURE_2D);
+        //Texture parameters are restored when the texture_handle is bound
+        glBindTexture(GL_TEXTURE_2D, *cachedFont->getTextureHandle());
+
+        std::vector<std::array<GLfloat, 12>> vertices(text.size());
+        std::vector<std::array<GLfloat, 12>> texcoords(text.size());
+
+        for (int i = 0; i < text.length(); i++) {
+            float x2, y2, w, h;
+            CachedGlyph* glyph = cachedFont->getGlyph(text.c_str()[i]);
+            if (glyph == nullptr)
+                continue;
+
+            x2 = x + glyph->x2offset * scale;
+            y2 = y - glyph->y2offset * scale; // Adjust y-coordinate
+            w = glyph->w * scale;
+            h = glyph->h * scale;
+            x += glyph->advanceX * scale;
+            y += glyph->advanceY * scale;
+
+            std::array<GLfloat, 12> glyph_vertices
+            {
+                x2,     y2,
+                x2,     y2 + h,
+                x2 + w, y2 + h,
+                x2,     y2,
+                x2 + w, y2 + h,
+                x2 + w, y2
+            };
+
+            auto glyph_texcoords = glyph->getTexCoords();
+            vertices[i] = glyph_vertices;
+            texcoords[i] = glyph_texcoords;
+        }
+        glVertexPointer(2, GL_FLOAT, sizeof(Vector2), vertices.data());
+        glTexCoordPointer(2, GL_FLOAT, sizeof(Vector2), texcoords.data());
+        glDrawArrays(GL_TRIANGLES, 0, (int) vertices.size() * 6);
+        glBindTexture(GL_TEXTURE_2D, 0);
+        glColor4fv(default_state.draw_color);
+        glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+        glDisable(GL_TEXTURE_2D);
+    }
+
+    void J3D::DrawString(const Color4& color, const std::string& text, const Vector3& pos, float scale, u32 size, const Font& font, const EulerAngleXYZ& angle, bool draw_back_face) {
+        // TODO: Determine the proper scale factor mathematically
+        // This number was arrived at holistically.
+        scale = scale * 0.002f;
+        scale = -scale;
+        float x = pos.x;
+        float y = pos.y;
+        float z = pos.z;
+
+        // TODO: this is broken because it causes the text to be shifted downwards.
+        /*
+        bool round_text_coords_for_crisp_rendering = true;
+
+        // TODO: This currently does not account for non-integer scale factors.
+        if (round_text_coords_for_crisp_rendering)
+        {
+            x = J3ML::Math::Floor(x);
+            y = J3ML::Math::Floor(y);
+            z = J3ML::Math::Floor(z);
+        }
+         */
+
+        CachedFont* cachedFont = fontCache.getFont(size, font.index);
+        if (font.face == nullptr)
+            jlog::Fatal("Drawing a string with an uninitialized font?");
+
+        if (!cachedFont)
+            cachedFont = CacheFont(font, size);
+
+        glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+        glEnable(GL_TEXTURE_2D);
+        glColor4ubv(color.ptr());
+        glBindTexture(GL_TEXTURE_2D, *cachedFont->getTextureHandle());
+
+        std::vector<std::array<GLfloat, 18>> vertices(text.size());
+        std::vector<std::array<GLfloat, 12>> texcoords(text.size());
+
+        glPushMatrix();
+        glTranslatef(x, y, z);
+        glRotatef(angle.pitch, 1.0f, 0.0f, 0.0f);
+        glRotatef(angle.yaw, 0.0f, 1.0f, 0.0f);
+        glRotatef(angle.roll, 0.0f, 0.0f, 1.0f);
+
+        x = y = z = 0;
+        for (int i = 0; i < text.length(); i++) {
+            CachedGlyph* glyph = cachedFont->getGlyph(text[i]);
+
+            float x2 = x + glyph->x2offset * scale;
+            float y2 = y - glyph->y2offset * scale;
+            float w = glyph->w * scale;
+            float h = glyph->h * scale;
+
+            std::array<GLfloat, 18> glyph_vertices
+            {
+                x2,     y2,     z,
+                x2,     y2 + h, z,
+                x2 + w, y2 + h, z,
+                x2,     y2,     z,
+                x2 + w, y2 + h, z,
+                x2 + w, y2,     z
+            };
+
+            vertices[i] = glyph_vertices;
+            texcoords[i] = glyph->getTexCoords();
+            x += glyph->advanceX * scale;
+            y += glyph->advanceY * scale;
+        }
+
+        glVertexPointer(3, GL_FLOAT, sizeof(Vector3), vertices.data());
+        glTexCoordPointer(2, GL_FLOAT, sizeof(Vector2), texcoords.data());
+
+        if (!draw_back_face)
+            glEnable(GL_CULL_FACE);
+            glCullFace(GL_BACK);
+
+        glDrawArrays(GL_TRIANGLES, 0, (int) vertices.size() * 6);
+
+        if (!draw_back_face)
+            glDisable(GL_CULL_FACE);
+
+        glBindTexture(GL_TEXTURE_2D, 0);
+        glColor4fv(current_state.draw_color);
+        glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+        glDisable(GL_TEXTURE_2D);
+        glPopMatrix();
+    }
+}

src/renderer/OpenGL/internals/internals.cpp

@@ -0,0 +1,210 @@
+#include "internals.h"
+#include <J3ML/LinearAlgebra/Vector4.hpp>
+#include <JGL/types/Light.h>
+
+// TODO handle the case that a required light is in the list of optional lights.
+void JGL::J3D::SelectLights(const Vector3& position) {
+    std::array<const LightBase*, 8> result = current_state.required_lights;
+
+    unsigned int required_light_count = 0;
+    for (const auto& i : result)
+        if (i) required_light_count++;
+
+    // If there is optional lights.
+    if (!current_state.optional_lights.empty()) {
+        // The number of lights we need to solve for
+        unsigned int remaining_lights = 8 - required_light_count;
+
+        std::vector<std::pair<float, const LightBase*>> light_influence;
+        for (const auto* light: current_state.optional_lights)
+            light_influence.emplace_back(light->GetAttenuationAtPosition(position), light);
+
+        // Sort by biggest influence.
+        std::sort(light_influence.begin(), light_influence.end(),
+                  [](const auto &a, const auto &b) { return a.first > b.first; });
+
+        // Add in optional lights.
+        for (unsigned int i = 0; i < remaining_lights && i < light_influence.size(); i++)
+            result[required_light_count++] = light_influence[i].second;
+    }
+
+    glEnable(GL_LIGHTING);
+    for (unsigned int i = 0; i < result.size(); i++) {
+        // Terminate early if we have less than 8 lights.
+        if (!result[i])
+            break;
+
+        Vector4 ambient = { result[i]->GetAmbient().RN(), result[i]->GetAmbient().GN(), result[i]->GetAmbient().BN(), result[i]->GetAmbient().AN() };
+        Vector4 diffuse = { result[i]->GetDiffuse().RN(), result[i]->GetDiffuse().GN(), result[i]->GetDiffuse().BN(), result[i]->GetDiffuse().AN() };
+        Vector4 specular = { result[i]->GetSpecular().RN(), result[i]->GetSpecular().GN(), result[i]->GetSpecular().BN(), result[i]->GetSpecular().AN() };
+        GLenum current_light = GL_LIGHT0 + i;
+
+        glEnable(GL_LIGHT0 + i);
+        glLightfv(current_light, GL_POSITION, result[i]->GetPosition().ptr());
+
+        // How the light will affect different materials.
+        glLightfv(current_light, GL_AMBIENT, ambient.ptr());
+        glLightfv(current_light, GL_DIFFUSE, diffuse.ptr());
+        glLightfv(current_light, GL_SPECULAR, specular.ptr());
+
+        // How far the light goes.
+        glLightf(current_light, GL_CONSTANT_ATTENUATION, result[i]->GetConstantAttenuation());
+        glLightf(current_light, GL_LINEAR_ATTENUATION, result[i]->GetLinearAttenuation());
+        glLightf(current_light, GL_QUADRATIC_ATTENUATION, result[i]->GetQuadraticAttenuation());
+    }
+}
+
+void JGL::J3D::ResetLights() {
+    Vector4 position = {0, 0, 1, 0};
+    Vector4 ambient = {0, 0, 0, 1};
+    Vector4 diffuse_light0 = {1,1,1,1};
+    Vector4 diffuse = {0,0,0,1};
+    Vector4 specular_light0 = {1,1,1,1};
+    Vector4 specular = {0,0,0,1};
+    Vector3 spot_direction = {0.0, 0.0, -1.0};
+
+    for (unsigned int i = 0; i < 8; i++) {
+        GLenum current_light = GL_LIGHT0 + i;
+
+        glLightfv(current_light, GL_POSITION, position.ptr());
+        glLightfv(current_light, GL_AMBIENT, ambient.ptr());
+        glLightf(current_light, GL_CONSTANT_ATTENUATION, 1);
+        glLightf(current_light, GL_LINEAR_ATTENUATION, 0);
+        glLightf(current_light, GL_QUADRATIC_ATTENUATION, 0);
+        glLightf(current_light, GL_SPOT_CUTOFF, 180.0);
+        glLightfv(current_light, GL_SPOT_DIRECTION, spot_direction.ptr());
+        glLightf(current_light, GL_SPOT_EXPONENT, 0.0);
+        glLightfv(current_light, GL_DIFFUSE, (i == 0 ? diffuse_light0.ptr() : diffuse.ptr()));
+        glLightfv(current_light, GL_SPECULAR, (i == 0 ? specular_light0.ptr() : specular.ptr()));
+        glDisable(current_light);
+    }
+    glDisable(GL_LIGHTING);
+}
+
+bool JGL::J3D::UsingLighting() {
+    if (!current_state.optional_lights.empty())
+        return true;
+
+    for (unsigned int i = 0; i < current_state.required_lights.size(); i++)
+        if (current_state.required_lights[i])
+            return true;
+    return false;
+}
+
+std::vector<Vector3> JGL::TriangleMeshVertexNormals(const Vector3* vertices, const size_t& vertex_count, const unsigned int* indices, const size_t& index_count) {
+    std::vector<Vector3> normals(vertex_count, Vector3(0, 0, 0));
+
+    for (size_t i = 0; i < index_count; i += 3) {
+        GLuint i1 = indices[i];
+        GLuint i2 = indices[i + 1];
+        GLuint i3 = indices[i + 2];
+
+        Vector3 v1 = vertices[i1];
+        Vector3 v2 = vertices[i2];
+        Vector3 v3 = vertices[i3];
+
+        Vector3 edge1 = v2 - v1;
+        Vector3 edge2 = v3 - v1;
+
+        Vector3 faceNormal = Vector3::Cross(edge1, edge2);
+
+        normals[i1] += faceNormal;
+        normals[i2] += faceNormal;
+        normals[i3] += faceNormal;
+    }
+    for (auto& normal : normals)
+        normal = normal.Normalized();
+
+    return normals;
+}
+
+void JGL::StateStack::Push(const JGL::State& state) {
+    states.push_back(state);
+}
+
+void JGL::StateStack::Pop() {
+    states.pop_back();
+}
+
+JGL::State* JGL::StateStack::PreviousState() {
+    if (states.empty())
+        return nullptr;
+
+    return &states.back();
+}
+
+JGL::State JGL::State::SaveState() {
+    State result;
+
+    result.depth_test = glIsEnabled(GL_DEPTH_TEST);
+    result.vertex_array = glIsEnabled(GL_VERTEX_ARRAY);
+    result.normal_array = glIsEnabled(GL_NORMAL_ARRAY);
+    result.cull_face = glIsEnabled(GL_CULL_FACE);
+    result.blend = glIsEnabled(GL_BLEND);
+    result.texture_2D = glIsEnabled(GL_TEXTURE_2D);
+    result.texture_coordinate_array = glIsEnabled(GL_TEXTURE_COORD_ARRAY);
+    result.color_array = glIsEnabled(GL_COLOR_ARRAY);
+
+    glGetIntegerv(GL_ACTIVE_TEXTURE, &result.selected_texture_unit);
+    result.selected_texture_unit -= GL_TEXTURE0;
+
+    glGetFloatv(GL_COLOR_CLEAR_VALUE, result.clear_color);
+    glGetFloatv(GL_CURRENT_COLOR, result.draw_color);
+    glGetIntegerv(GL_VIEWPORT, result.viewport);
+    glGetIntegerv(GL_FRAMEBUFFER_BINDING, (GLint*)&result.current_fbo);
+    glGetIntegerv(GL_BLEND_SRC, &result.blend_func[0]);
+    glGetIntegerv(GL_BLEND_DST, &result.blend_func[1]);
+
+    return result;
+}
+
+void JGL::State::RestoreState(const State& state) {
+    if (state.depth_test)
+        glEnable(GL_DEPTH_TEST);
+    else
+        glDisable(GL_DEPTH_TEST);
+
+    if (state.vertex_array)
+        glEnableClientState(GL_VERTEX_ARRAY);
+    else
+        glDisableClientState(GL_VERTEX_ARRAY);
+
+    if (state.normal_array)
+        glEnableClientState(GL_NORMAL_ARRAY);
+    else
+        glDisableClientState(GL_NORMAL_ARRAY);
+
+    if (state.cull_face)
+        glEnable(GL_CULL_FACE);
+    else
+        glDisable(GL_CULL_FACE);
+
+    if (state.blend)
+        glEnable(GL_BLEND);
+    else
+        glDisable(GL_BLEND);
+
+    glActiveTexture(GL_TEXTURE0 + state.selected_texture_unit);
+    glClientActiveTexture(GL_TEXTURE0 + state.selected_texture_unit);
+
+    if (state.texture_2D)
+        glEnable(GL_TEXTURE_2D);
+    else
+        glDisable(GL_TEXTURE_2D);
+
+    if (state.texture_coordinate_array)
+        glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+    else
+        glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+
+    if (state.color_array)
+        glEnable(GL_COLOR_ARRAY);
+    else
+        glDisable(GL_COLOR_ARRAY);
+
+    glBindFramebuffer(GL_FRAMEBUFFER, state.current_fbo);
+    glViewport(state.viewport[0], state.viewport[1], state.viewport[2], state.viewport[3]);
+    glClearColor(state.clear_color[0], state.clear_color[1], state.clear_color[2], state.clear_color[3]);
+    glColor4f(state.draw_color[0], state.draw_color[1], state.draw_color[2], state.draw_color[3]);
+    glBlendFunc(state.blend_func[0], state.blend_func[1]);
+}

src/renderer/OpenGL/internals/internals.h

@@ -0,0 +1,88 @@
+#pragma once
+
+#include <glad/glad.h>
+#include <array>
+#include <vector>
+#include <J3ML/LinearAlgebra/Vector2.hpp>
+#include <JGL/types/RenderTarget.h>
+#include <JGL/types/Light.h>
+#include <JGL/logger/logger.h>
+
+namespace JGL {
+    class State;
+    class StateStack;
+}
+
+class JGL::State {
+public:
+    GLfloat clear_color[4] = {0, 0, 0, 1};
+    GLfloat draw_color[4] = {1, 1, 1, 1};
+    GLint viewport[4] = {0, 0, 0, 0};
+    GLint blend_func[2];
+    GLuint current_fbo = 0;
+    RenderTarget* current_render_target = nullptr;
+
+    bool texture_2D = false;
+    bool texture_coordinate_array = false;
+    bool normal_array = false;
+    bool depth_test = false;
+    bool vertex_array = false;
+    bool cull_face = false;
+    bool blend = false;
+    bool color_array = false;
+    GLint selected_texture_unit = 0;
+    // List of lights required for each object in the scene. up-to 8. For example, the sun. Or a flash-light.
+    std::array<const LightBase*, 8> required_lights{};
+    // List of all lights in the scene.
+    std::vector<const LightBase*> optional_lights{};
+public:
+    static State SaveState();
+    static void RestoreState(const State& state);
+};
+
+class JGL::StateStack {
+private:
+    std::vector<State> states{};
+public:
+    size_t Size() { return states.size(); }
+    void Push(const State& state);
+    void Pop();
+    State* PreviousState();
+public:
+    StateStack() = default;
+    ~StateStack() = default;
+};
+
+namespace JGL {
+    inline constexpr std::array<const LightBase*, 8> empty_light_array = { nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr };
+    std::vector<Vector3> TriangleMeshVertexNormals(const Vector3* vertices, const size_t& vertex_count, const unsigned int* indices, const size_t& index_count);
+    inline StateStack state_stack;
+    inline Vector2i window_size;
+}
+
+namespace JGL::J2D {
+    inline State default_state
+    {
+            {0, 0, 0, 1},
+            {1, 1, 1, 1},
+            {0, 0, 0, 0},
+            {GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA},
+            0, nullptr, false, false,
+            false, false, true, true,
+            true, false, 0,
+            {}, {}
+    };
+
+    inline State current_state;
+}
+
+namespace JGL::J3D {
+    inline State current_state;
+    inline float far_plane = 0;
+    inline float fov = 0;
+    // Enables lighting and selects the correct lights to use.
+    void SelectLights(const Vector3& position);
+    // Resets the GL lights to default and disables them. Then, disables lighting.
+    void ResetLights();
+    [[nodiscard]] bool UsingLighting();
+}

src/types/Font.cpp

@@ -0,0 +1,169 @@
+
+#include <vector>
+#include <string>
+#include <iostream>
+#include <glad/glad.h>
+#include <JGL/logger/logger.h>
+#include <JGL/JGL.h>
+
+#if __linux__
+    #include <freetype2/ft2build.h>
+    #include FT_FREETYPE_H
+    #include FT_OUTLINE_H
+#endif
+
+#if _WIN32
+    #include <ft2build.h>
+    #include FT_FREETYPE_H
+    #include FT_OUTLINE_H
+#endif
+
+#include <JGL/types/Font.h>
+#include <JGL/types/FontCache.h>
+
+namespace JGL::Detail
+{
+    FT_Library ft;
+
+    std::vector<Font> fonts;
+
+    bool InitTextEngine() {
+
+        glPixelStorei(GL_UNPACK_ALIGNMENT, 1); // NOTE: This MUST be called for text rendering to work properly!!!
+        // Keep note of this, might cause problems later?
+
+        if (ft != nullptr)
+            Logger::Fatal("Error::FREETYPE: FT_Library was initialized but is already initialized.");
+        
+        if (FT_Init_FreeType(&ft))
+            return true;
+        return false;
+    }
+
+    void UnloadFont(int font_index) {
+
+        auto iter = fonts.begin();
+        while (iter != fonts.end())
+        {
+            if (iter->index == font_index){
+                FT_Done_Face(iter->face);
+                iter = fonts.erase(iter);
+            } else ++iter;
+        }
+    }
+}
+
+namespace JGL {
+
+    bool InitTextEngine() {
+        return Detail::InitTextEngine();
+    }
+
+    Font::Font(const unsigned char* data, const size_t& size) {
+        if (Detail::ft == nullptr)
+            throw std::runtime_error("Error::FREETYPE: FT_Library was not initialized before attempting to load a font!");
+
+        if (FT_New_Memory_Face(Detail::ft, data, size, 0, &face))
+            throw std::runtime_error("Error::FREETYPE: Failed to load font!");
+
+        unsigned int new_index = 0;
+        for (const auto& f : Detail::fonts)
+            if (f.index >= new_index)
+                new_index = f.index + 1;
+        index = new_index;
+
+        Detail::fonts.push_back(*this);
+        std::cout << "Loaded font from memory at " << static_cast<const void*>(data) << " with index " << new_index << std::endl;
+    }
+
+    Font::Font(const std::filesystem::path& path) {
+        if (Detail::ft == nullptr)
+            throw std::runtime_error("Error::FREETYPE: FT_Library was not initialized before attempting to load a font!");
+
+        if (FT_New_Face(Detail::ft, path.string().c_str(), 0, &face))
+            throw std::runtime_error("Error::FREETYPE: Failed to load font!");
+
+        unsigned int new_index = 0;
+        for (const auto& f : Detail::fonts)
+            if (f.index >= new_index)
+                new_index = f.index + 1;
+
+        index = new_index;
+        Detail::fonts.push_back(*this);
+        std::cout << "Loaded font from " << path << " with index " << new_index << std::endl;
+    }
+
+    Font::~Font() {
+        //Detail::UnloadFont(this->index);
+    }
+
+
+    std::vector<Font> Font::GetLoadedFonts() {
+        return Detail::fonts;
+    }
+
+
+    Font Font::LoadTTF(const std::filesystem::path& path)
+    {
+        return Font(path);
+    }
+
+    Vector2 Font::MeasureString(const std::string &text, unsigned int ptSize) {
+        Vector2 extents = Vector2(0,0);
+        bool font_of_size_in_cache = false;
+
+        for(const auto& f : fontCache.getFonts()) {
+            if (f->getFontSize() == ptSize) {
+                font_of_size_in_cache = true;
+                break;
+            }
+        }
+
+        if (font_of_size_in_cache) {
+            CachedFont* font;
+
+            for (auto* f: fontCache.getFonts())
+                if (f->getFontSize() == ptSize)
+                    font = f;
+
+            for (const char& c : text)
+                extents.x += font->getGlyph(c)->advanceX;
+
+            extents.y = ptSize;
+            return extents;
+        }
+
+        jlog::Warning("Measuring a font size that is not cached, Defaulting to Jupiteroid.");
+        FT_Set_Pixel_Sizes(Fonts::Jupiteroid.face, ptSize, ptSize);
+
+        for (const char& c : text) {
+            // TODO: Fix segfault
+            //FT_GlyphSlot slot = Fonts::Jupiteroid.face->glyph;
+            //auto glyph_index = FT_Get_Char_Index(Fonts::Jupiteroid.face, c);
+            FT_GlyphSlot slot = face->glyph;
+            auto glyph_index = FT_Get_Char_Index(this->face, c);
+
+            //auto error = FT_Load_Glyph(Fonts::Jupiteroid.face, glyph_index, FT_LOAD_DEFAULT);
+            auto error = FT_Load_Glyph(this->face, glyph_index, FT_LOAD_DEFAULT);
+
+            if (error)
+                continue;
+
+
+            Vector2 advance = {static_cast<float>(slot->advance.x >> 6),
+                               static_cast<float>(slot->advance.y >> 6)};
+
+
+            extents += advance;
+
+            // Gives smaller results than we'd want.
+            if (extents.y < slot->metrics.height / 64)
+                extents.y = slot->metrics.height / 64;
+
+            // Just fucking hardcode it, we know the glyph height is roughly always the ptSize anyway.
+            if (extents.y < ptSize)
+                extents.y = ptSize;
+        }
+        return extents;
+    }
+}

src/types/FontCache.cpp

@@ -0,0 +1,112 @@
+#include <JGL/types/FontCache.h>
+
+using namespace JGL;
+
+char CachedGlyph::getCharacter() const {
+    return character;
+}
+
+std::array<GLfloat, 12> CachedGlyph::getTexCoords() const {
+    return texcoords;
+}
+
+CachedGlyph::CachedGlyph(char c, std::array<GLfloat, 12> texcoords, float x2offset, float y2offset, float w, float h, float advanceX, float advanceY) {
+    character = c;
+    this->x2offset = x2offset;
+    this->y2offset = y2offset;
+    this->w = w;
+    this->h = h;
+    this->advanceX = advanceX;
+    this->advanceY = advanceY;
+    this->texcoords = texcoords;
+}
+
+void JGL::CachedFont::appendGlyph(JGL::CachedGlyph* glyph) {
+    glyphs.emplace(glyph->getCharacter(), glyph);
+}
+
+unsigned int JGL::CachedFont::getFontSize() const {
+    return font_size;
+}
+
+unsigned int JGL::CachedFont::getFontIndex() const {
+    return font_index;
+}
+
+CachedGlyph* JGL::CachedFont::getGlyph(char c) {
+    auto it = glyphs.find(c);
+    if (it != glyphs.end())
+        return it->second;
+    return nullptr;
+}
+
+CachedFont::CachedFont(GLuint texture_id, GLsizei texture_width, GLsizei texture_height, unsigned int font_size, unsigned int font_index) {
+    this->texture = texture_id;
+    this->texture_width = texture_width;
+    this->texture_height = texture_height;
+    this->font_size = font_size;
+    this->font_index = font_index;
+}
+
+std::unordered_map<char, CachedGlyph*> CachedFont::getGlyphs() {
+    return glyphs;
+}
+
+const GLuint* CachedFont::getTextureHandle() {
+    return &texture;
+}
+
+GLsizei CachedFont::getTextureWidth() const {
+    return texture_width;
+}
+
+GLsizei CachedFont::getTextureHeight() const {
+    return texture_height;
+}
+
+void CachedFont::Erase() {
+    if (texture != 0)
+        glDeleteTextures(1, &texture);
+}
+
+CachedFont::~CachedFont() {
+    Erase();
+}
+
+void FontCache::appendFont(CachedFont* font) {
+    cachedFonts.push_back(font);
+}
+
+void FontCache::newFont(GLuint texture_id, GLsizei texture_width, GLsizei texture_height, unsigned int font_size, unsigned int font_index) {
+    auto* font = new CachedFont(texture_id, texture_width, texture_height, font_size, font_index);
+    cachedFonts.push_back(font);
+}
+
+void FontCache::eraseFont(CachedFont* font) {
+    for (int i = 0; i < cachedFonts.size(); i++) {
+        if (cachedFonts[i] == font) {
+            delete cachedFonts[i];
+            cachedFonts.erase(cachedFonts.begin() + i);
+        }
+    }
+}
+
+void FontCache::purgeCache() {
+    //Remove every font from the cache.
+    for (const auto& font : cachedFonts)
+        eraseFont(font);
+}
+
+std::vector<CachedFont*> FontCache::getFonts() {
+    return cachedFonts;
+}
+
+CachedFont* FontCache::getFont(unsigned int font_size, unsigned int font_index) {
+    if (cachedFonts.empty())
+        return nullptr;
+
+    for (auto* f : cachedFonts)
+        if (f->getFontIndex() == font_index && f->getFontSize() == font_size)
+            return f;
+    return nullptr;
+}

src/types/Light.cpp

@@ -0,0 +1,64 @@
+#include <JGL/types/Light.h>
+
+JGL::PointLight::PointLight(const Vector3& position, const Color4& ambient, const Color4& diffuse, const Color4& specular, float constant_attenuation, float linear_attenuation, float quadratic_attenuation) {
+    this->position = Vector4(position, 1.0f);
+    this->ambient = ambient;
+    this->diffuse = diffuse;
+    this->specular = specular;
+    this->constant_attenuation = constant_attenuation;
+    this->linear_attenuation = linear_attenuation;
+    this->quadratic_attenuation = quadratic_attenuation;
+}
+
+float JGL::PointLight::GetAttenuationAtPosition(const Vector3& pos) const {
+    Vector3 light_pos = {position.x, position.y, position.z};
+    Vector3 vector_to_position = pos - light_pos;
+    float distance = vector_to_position.Length();
+
+    return 1.0f / (GetConstantAttenuation() + GetLinearAttenuation() * distance + GetQuadraticAttenuation() * distance * distance);
+}
+
+JGL::SpotLight::SpotLight(const Vector3& position, const Matrix3x3& ro_mat, float cone_size_degrees, float exponent, const Color4& ambient, const Color4& diffuse, const Color4& specular,
+                          float constant_attenuation, float linear_attenuation, float quadratic_attenuation) {
+    this->position = Vector4(position, 1);
+    //TODO RotationMatrix to "Normalized direction vector."
+    orientation = ro_mat;
+    this->cut = cone_size_degrees;
+    this->exponent = exponent;
+    this->ambient = ambient;
+    this->diffuse = diffuse;
+    this->specular = specular;
+    this->constant_attenuation = constant_attenuation;
+    this->linear_attenuation = linear_attenuation;
+    this->quadratic_attenuation = quadratic_attenuation;
+}
+
+Vector4 JGL::LightBase::GetPosition() const {
+    return position;
+}
+
+Color4 JGL::LightBase::GetAmbient() const {
+    return ambient;
+}
+
+Color4 JGL::LightBase::GetDiffuse() const {
+    return diffuse;
+}
+
+Color4 JGL::LightBase::GetSpecular() const {
+    return specular;
+}
+
+float JGL::LightBase::GetConstantAttenuation() const {
+    return constant_attenuation;
+}
+
+float JGL::LightBase::GetLinearAttenuation() const {
+    return linear_attenuation;
+}
+
+float JGL::LightBase::GetQuadraticAttenuation() const {
+    return quadratic_attenuation;
+}
+
+

src/types/Material.cpp

@@ -0,0 +1,31 @@
+#include <JGL/types/Material.h>
+#include <J3ML/LinearAlgebra/Vector4.hpp>
+
+JGL::Material::Material(const Color4& ambient_reflection, const Color4& diffuse_reflection, const Color4& specular_reflection, const Color4& light_emission, float& shine) {
+    ambient_ref = ambient_reflection;
+    diffuse_ref = diffuse_reflection;
+    specular_ref = specular_reflection;
+    emission = light_emission;
+    shininess = shine;
+}
+
+void JGL::Material::SetActiveMaterial(const Material& material) {
+    Vector4 ambient = { material.ambient_ref.RN(), material.ambient_ref.BN(), material.ambient_ref.GN(), material.ambient_ref.AN() };
+    Vector4 diffuse = { material.diffuse_ref.RN(), material.diffuse_ref.BN(), material.diffuse_ref.GN(), material.diffuse_ref.AN() };
+    Vector4 specular = { material.specular_ref.RN(), material.specular_ref.BN(), material.specular_ref.GN(), material.specular_ref.AN() };
+    Vector4 emission = { material.emission.RN(), material.emission.BN(), material.emission.GN(), material.emission.AN() };
+
+    // Determine which faces we're going to apply this material to.
+    GLenum face = GL_FRONT;
+    if (glIsEnabled(GL_CULL_FACE)) {
+        GLint current; glGetIntegerv(GL_CULL_FACE_MODE, &current);
+        if (current == GL_FRONT)
+            face = GL_BACK;
+    }
+
+    glMaterialfv(face, GL_AMBIENT, ambient.ptr());
+    glMaterialfv(face, GL_DIFFUSE, diffuse.ptr());
+    glMaterialfv(face, GL_SPECULAR, specular.ptr());
+    glMaterialfv(face, GL_EMISSION, emission.ptr());
+    glMaterialf(face, GL_SHININESS, material.shininess);
+}

src/types/RenderTarget.cpp

@@ -0,0 +1,368 @@
+#include <JGL/types/RenderTarget.h>
+#include <JGL/types/Texture.h>
+#include <JGL/logger/logger.h>
+#include <stdexcept>
+
+const JGL::Texture* JGL::RenderTarget::GetTexture() const {
+    return texture;
+}
+
+GLuint JGL::RenderTarget::GetTextureHandle() const {
+    return texture->GetHandle();
+}
+
+GLuint JGL::RenderTarget::GetGLFramebufferObjectHandle() const {
+    return framebuffer_object;
+}
+
+GLuint JGL::RenderTarget::GetGLDepthBufferHandle() const {
+    return depth_buffer;
+}
+
+GLuint JGL::RenderTarget::GetActiveGLFramebufferHandle() {
+    GLuint fbo;
+    glGetIntegerv(GL_FRAMEBUFFER_BINDING, (GLint*) &fbo);
+    return fbo;
+}
+
+void JGL::RenderTarget::SetActiveGLRenderTarget(const RenderTarget& render_target) {
+    glBindFramebuffer(GL_FRAMEBUFFER, render_target.MSAAEnabled() ? render_target.msaa_framebuffer_object : render_target.GetGLFramebufferObjectHandle());
+    glViewport(0,0, render_target.GetDimensions().x, render_target.GetDimensions().y);
+}
+
+Vector2i JGL::RenderTarget::GetDimensions() const {
+    return size;
+}
+
+void JGL::RenderTarget::Erase() {
+    if (GetActiveGLFramebufferHandle() == framebuffer_object)
+        Logger::Warning("Deleting the framebuffer that's currently in use?");
+
+    if (using_depth)
+        glDeleteRenderbuffers(1, &depth_buffer);
+
+    glDeleteFramebuffers(1, &framebuffer_object);
+
+    if (MSAAEnabled())
+        SetMSAAEnabled(MSAA_SAMPLE_RATE::MSAA_NONE);
+}
+
+Color4 JGL::RenderTarget::GetClearColor() const {
+    return clear_color;
+}
+
+/// Idk why you'd ever want to clear it out if you're rendering onto a texture you passed in :shrug:.
+JGL::RenderTarget::RenderTarget(const JGL::Texture* texture, const Color4& clear_color) {
+    if (texture->GetDimensions().x < 1 || texture->GetDimensions().y < 1)
+        Logger::Fatal("Creating a render target where the color attachment is empty?");
+
+    this->size = { static_cast<int>(texture->GetDimensions().x), static_cast<int>(texture->GetDimensions().y) };
+    GLuint current_fbo = GetActiveGLFramebufferHandle();
+    GLint viewport[4] = {0, 0, 0, 0};
+    glGetIntegerv(GL_VIEWPORT, viewport);
+
+    glGenFramebuffers(1, &framebuffer_object);
+    glBindFramebuffer(GL_FRAMEBUFFER, framebuffer_object);
+    glViewport(0,0, size.x, size.y);
+    glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture->GetHandle(), 0);
+
+    if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE)
+        throw std::runtime_error("A new framebuffer could not be allocated.");
+
+    glBindFramebuffer(GL_FRAMEBUFFER, current_fbo);
+    glViewport(viewport[0], viewport[1], viewport[2], viewport[3]);
+    this->clear_color = clear_color;
+    this->texture = texture;
+    texture_created_by_us = false;
+}
+
+JGL::RenderTarget::RenderTarget(const Vector2i& size, const Color4& clear_color, bool use_depth, MSAA_SAMPLE_RATE sample_rate, FilteringMode filtering_mode) {
+    if (size.x < 1 || size.y < 1)
+        Logger::Fatal("Creating a render target where the color attachment is empty?");
+
+    GLuint current_fbo = GetActiveGLFramebufferHandle();
+    GLint viewport[4] = {0, 0, 0, 0};
+    glGetIntegerv(GL_VIEWPORT, viewport);
+    //Textures behave strangely if they're not square aaaaaaaaaaaaa.
+
+    texture = new Texture(size, filtering_mode);
+    glGenFramebuffers(1, &framebuffer_object);
+    glBindFramebuffer(GL_FRAMEBUFFER, framebuffer_object);
+    glViewport(0,0, size.x, size.y);
+    glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture->GetHandle(), 0);
+
+    if (use_depth) {
+        GLuint depthBuffer;
+        glGenRenderbuffers(1, &depthBuffer);
+        glBindRenderbuffer(GL_RENDERBUFFER, depthBuffer);
+        glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, size.x, size.y);
+        glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, depthBuffer);
+        glClear(GL_DEPTH_BUFFER_BIT);
+        using_depth = true;
+    }
+
+    GLfloat old_clear_color[4];
+    glGetFloatv(GL_COLOR_CLEAR_VALUE, old_clear_color);
+    glClearColor(clear_color.RedChannelNormalized(), clear_color.GreenChannelNormalized(), clear_color.BlueChannelNormalized(), clear_color.AlphaChannelNormalized());
+    glClear(GL_COLOR_BUFFER_BIT);
+    glClearColor(old_clear_color[0], old_clear_color[1], old_clear_color[2], old_clear_color[3]);
+
+    if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE)
+        throw std::runtime_error("A new framebuffer could not be allocated.");
+
+    glBindFramebuffer(GL_FRAMEBUFFER, current_fbo);
+    glViewport(viewport[0], viewport[1], viewport[2], viewport[3]);
+    this->clear_color = clear_color;
+    this->size = size;
+    texture_created_by_us = true;
+
+    if (sample_rate != MSAA_SAMPLE_RATE::MSAA_NONE)
+        SetMSAAEnabled(sample_rate);
+}
+
+std::vector<GLfloat> JGL::RenderTarget::GetPixels() const {
+    std::vector<GLfloat> data(GetDimensions().x * GetDimensions().y * 4);
+    GLuint current_fbo = GetActiveGLFramebufferHandle();
+
+    glBindFramebuffer(GL_FRAMEBUFFER, framebuffer_object);
+    glReadPixels(0, 0, GetDimensions().x, GetDimensions().y, GL_RGBA, GL_FLOAT, data.data());
+    glBindFramebuffer(GL_FRAMEBUFFER, current_fbo);
+    return data;
+}
+
+void JGL::RenderTarget::Resize(const Vector2i& new_size) {
+    if (!texture_created_by_us)
+        Logger::Error("Resizing a Render Target that does not own it's texture?");
+
+    GLuint current_fbo = GetActiveGLFramebufferHandle();
+    GLfloat old_clear_color[4];
+    GLint old_viewport[4] = {0, 0, 0, 0};
+    glGetIntegerv(GL_VIEWPORT, old_viewport);
+    glGetFloatv(GL_COLOR_CLEAR_VALUE, old_clear_color);
+
+    //If we have to remake the texture.
+    glBindFramebuffer(GL_FRAMEBUFFER, framebuffer_object);
+    glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0);
+
+    // Erase it.
+    delete texture;
+
+    auto cc = GetClearColor();
+    glClearColor(cc.RedChannelNormalized(), cc.GreenChannelNormalized(), cc.BlueChannelNormalized(), cc.AlphaChannelNormalized());
+    glViewport(0,0, size.x, size.y);
+
+    texture = new Texture(new_size);
+    glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture->GetHandle(), 0);
+
+    glBindFramebuffer(GL_FRAMEBUFFER, current_fbo);
+    glClearColor(old_clear_color[0], old_clear_color[1], old_clear_color[2], old_clear_color[3]);
+    glViewport(old_viewport[0], old_viewport[1], old_viewport[2], old_viewport[3]);
+    size = new_size;
+
+    //Disable & Re-enable MSAA so the msaa buffer is remade with the correct dimensions.
+    if (MSAAEnabled()) {
+        MSAA_SAMPLE_RATE current_sample_rate = msaa_sample_rate;
+        SetMSAAEnabled(MSAA_SAMPLE_RATE::MSAA_NONE);
+        SetMSAAEnabled(current_sample_rate);
+    }
+}
+
+JGL::RenderTarget::~RenderTarget() {
+    Erase();
+    if (texture_created_by_us)
+        delete texture;
+}
+
+bool JGL::RenderTarget::OwnsTexture() const {
+    return texture_created_by_us;
+}
+
+JGL::MSAA_SAMPLE_RATE JGL::RenderTarget::GetMSAASampleRate() const {
+    return msaa_sample_rate;
+}
+
+bool JGL::RenderTarget::MSAAEnabled() const {
+    return msaa_sample_rate != MSAA_SAMPLE_RATE::MSAA_NONE;
+}
+
+bool JGL::RenderTarget::SetMSAAEnabled(JGL::MSAA_SAMPLE_RATE sample_rate) {
+    // If we'd be setting the same sample_rate we already have.
+    if (sample_rate == msaa_sample_rate)
+        return false;
+
+    // If we'd be rendering onto a texture and not a plain render target we don't want this.
+    if (!OwnsTexture())
+        return false;
+
+    // Remove it if they request no msaa or if what they requested is different than what they already have.
+    if (sample_rate == MSAA_SAMPLE_RATE::MSAA_NONE || msaa_sample_rate != MSAA_SAMPLE_RATE::MSAA_NONE) {
+        if(using_depth)
+            glDeleteRenderbuffers(1, &msaa_depth_buffer);
+
+        glDeleteRenderbuffers(1, &msaa_render_buffer);
+        glDeleteFramebuffers(1, &msaa_framebuffer_object);
+
+        msaa_framebuffer_object = 0;
+        msaa_depth_buffer = 0;
+        msaa_render_buffer = 0;
+        msaa_sample_rate = MSAA_SAMPLE_RATE::MSAA_NONE;
+
+        // Only return here if they specifically requested no MSAA. else continue to change mode.
+        if (sample_rate == MSAA_SAMPLE_RATE::MSAA_NONE)
+            return true;
+    }
+
+    GLuint current_fbo = GetActiveGLFramebufferHandle();
+    glGenFramebuffers(1, &msaa_framebuffer_object);
+    glBindFramebuffer(GL_FRAMEBUFFER, msaa_framebuffer_object);
+
+    GLint current_renderbuffer = 0;
+    glGetIntegerv(GL_RENDERBUFFER_BINDING, &current_renderbuffer);
+    glGenRenderbuffers(1, &msaa_render_buffer);
+    glBindRenderbuffer(GL_RENDERBUFFER, msaa_render_buffer);
+    glRenderbufferStorageMultisample(GL_RENDERBUFFER, to_int(sample_rate), GL_RGBA, size.x, size.y);
+    glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, msaa_render_buffer);
+
+    if (using_depth) {
+        glGenRenderbuffers(1, &msaa_depth_buffer);
+        glBindRenderbuffer(GL_RENDERBUFFER, msaa_depth_buffer);
+        glRenderbufferStorageMultisample(GL_RENDERBUFFER, to_int(sample_rate), GL_DEPTH_COMPONENT, size.x, size.y);
+        glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, msaa_depth_buffer);
+    }
+
+    bool failure = false;
+    if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE)
+        failure = true, Logger::Fatal("A new " + to_string(sample_rate) + " framebuffer couldn't be allocated.");
+
+    glBindRenderbuffer(GL_RENDERBUFFER, current_renderbuffer);
+    glBindFramebuffer(GL_FRAMEBUFFER, current_fbo);
+    msaa_sample_rate = sample_rate;
+
+    if (failure)
+        SetMSAAEnabled(MSAA_SAMPLE_RATE::MSAA_NONE);
+    return failure;
+}
+
+void JGL::RenderTarget::MSAABlit() const {
+    if (MSAAEnabled() && OwnsTexture()) {
+        // Save the GL state.
+        GLuint current_fbo = GetActiveGLFramebufferHandle();
+        GLint current_draw_fbo = 0;
+        GLint current_read_fbo = 0;
+        glGetIntegerv(GL_READ_FRAMEBUFFER_BINDING, &current_read_fbo);
+        glGetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, &current_draw_fbo);
+
+        // Draw the contents of one into the other.
+        glBindFramebuffer(GL_READ_FRAMEBUFFER, msaa_framebuffer_object);
+        glBindFramebuffer(GL_DRAW_FRAMEBUFFER, framebuffer_object);
+        glBlitFramebuffer(0, 0, size.x, size.y, 0, 0, size.x, size.y, GL_COLOR_BUFFER_BIT, GL_NEAREST);
+
+        // Put the GL state back.
+        glBindFramebuffer(GL_READ_FRAMEBUFFER, current_read_fbo);
+        glBindFramebuffer(GL_DRAW_FRAMEBUFFER, current_draw_fbo);
+        glBindFramebuffer(GL_FRAMEBUFFER, current_fbo);
+    }
+}
+
+void JGL::RenderTarget::Blit(const JGL::RenderTarget& source, JGL::RenderTarget* destination, const Vector2i& position) {
+    if (source.GetDimensions().x > destination->GetDimensions().x || source.GetDimensions().y > destination->GetDimensions().y)
+        Logger::Warning("Blitting a Render Target onto another Render Target but the destination Render Target is too small?");
+
+    // Save the GL state.
+    GLuint current_fbo = GetActiveGLFramebufferHandle();
+    GLint current_draw_fbo = 0;
+    GLint current_read_fbo = 0;
+    glGetIntegerv(GL_READ_FRAMEBUFFER_BINDING, &current_read_fbo);
+    glGetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, &current_draw_fbo);
+
+    // Draw the contents of one into the other.
+    glBindFramebuffer(GL_READ_FRAMEBUFFER, source.framebuffer_object);
+    glBindFramebuffer(GL_DRAW_FRAMEBUFFER, destination->framebuffer_object);
+    glBlitFramebuffer(0, 0, source.size.x, source.size.y, position.x, position.y, position.x + source.size.x, position.y + source.size.y, GL_COLOR_BUFFER_BIT, GL_NEAREST);
+
+    // Put the GL state back.
+    glBindFramebuffer(GL_READ_FRAMEBUFFER, current_read_fbo);
+    glBindFramebuffer(GL_DRAW_FRAMEBUFFER, current_draw_fbo);
+    glBindFramebuffer(GL_FRAMEBUFFER, current_fbo);
+}
+
+void JGL::RenderTarget::Blit(const Texture* source, RenderTarget* destination, const Vector2i& position) {
+    auto temp = new RenderTarget(source);
+    Blit(*temp, destination);
+    delete temp;
+}
+
+// To avoid repeatedly allocating and deallocating.
+JGL::RenderTarget* pixel = nullptr;
+void JGL::RenderTarget::Blit(const Color4& color, const Vector2i& position, JGL::RenderTarget* destination) {
+    if (position.x > destination->size.x || position.y > destination->size.y)
+        Logger::Warning("Blitting outside of the renderable area of the destination.");
+
+    if (pixel == nullptr)
+        pixel = new RenderTarget({1,1});
+
+    GLint current_draw_fbo = 0;
+    GLint current_read_fbo = 0;
+    GLint viewport[4];
+    GLfloat clear_color[4];
+    GLuint current_fbo = GetActiveGLFramebufferHandle();
+    glGetIntegerv(GL_VIEWPORT, viewport);
+    glGetFloatv(GL_COLOR_CLEAR_VALUE, clear_color);
+    glGetIntegerv(GL_READ_FRAMEBUFFER_BINDING, &current_read_fbo);
+    glGetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, &current_draw_fbo);
+
+    SetActiveGLRenderTarget(*pixel);
+    glClearColor(color.RedChannelNormalized(), color.GreenChannelNormalized(), color.BlueChannelNormalized(), color.AlphaChannelNormalized());
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    // Invert so it's relative to the top left corner.
+    int target_y = destination->size.y - position.y - 1;
+
+    glBindFramebuffer(GL_READ_FRAMEBUFFER, pixel->framebuffer_object);
+    glBindFramebuffer(GL_DRAW_FRAMEBUFFER, destination->framebuffer_object);
+    glBlitFramebuffer(0, 0, 1, 1, position.x, target_y, position.x + 1, target_y + 1, GL_COLOR_BUFFER_BIT, GL_NEAREST);
+
+    glBindFramebuffer(GL_READ_FRAMEBUFFER, current_read_fbo);
+    glBindFramebuffer(GL_DRAW_FRAMEBUFFER, current_draw_fbo);
+    glBindFramebuffer(GL_FRAMEBUFFER, current_fbo);
+    glViewport(viewport[0], viewport[1], viewport[2], viewport[3]);
+    glClearColor(clear_color[0], clear_color[1], clear_color[2], clear_color[3]);
+}
+
+JGL::RenderTarget::RenderTarget(const JGL::RenderTarget& rhs) {
+    auto* this_render_target = new RenderTarget(rhs.size, rhs.clear_color, rhs.using_depth, rhs.msaa_sample_rate);
+    RenderTarget::Blit(rhs, this_render_target);
+
+    this->clear_color = this_render_target->clear_color;
+    this->size = this_render_target->size;
+    this->using_depth = this_render_target->using_depth;
+    this->texture_created_by_us = true;
+    this->texture = this_render_target->texture;
+    this->framebuffer_object = this_render_target->framebuffer_object;
+    this->depth_buffer = this_render_target->depth_buffer;
+    this->msaa_sample_rate = this_render_target->msaa_sample_rate;
+    this->msaa_framebuffer_object = this_render_target->msaa_framebuffer_object;
+    this->msaa_depth_buffer = this_render_target->msaa_depth_buffer;
+    this->msaa_render_buffer = this_render_target->msaa_render_buffer;
+
+    operator delete(this_render_target);
+}
+
+Vector2i JGL::RenderTarget::MaximumSize() {
+    return Texture::MaximumSize();
+}
+
+void JGL::RenderTarget::RegenerateMipMaps() {
+    // Fixes using render targets on a texture that has mipmaps.
+    if (GetTexture()->GetFilteringMode() == FilteringMode::MIPMAP_NEAREST
+        || GetTexture()->GetFilteringMode() == FilteringMode::MIPMAP_BILINEAR ||
+        GetTexture()->GetFilteringMode() == FilteringMode::MIPMAP_TRILINEAR) {
+        GLint current_texture = 0;
+        glGetIntegerv(GL_TEXTURE_BINDING_2D, &current_texture);
+
+        glBindTexture(GL_TEXTURE_2D, GetTexture()->GetHandle());
+        glGenerateMipmap(GL_TEXTURE_2D);
+
+        glBindTexture(GL_TEXTURE_2D, current_texture);
+    }
+}

src/types/Skeleton.cpp

@@ -0,0 +1,186 @@
+#include <JGL/types/Skeleton.h>
+#include <JGL/logger/logger.h>
+#include <cstring>
+
+using namespace JGL;
+
+std::array<int, 4> JGL::SkeletalVertexAttribute::GetAffectingBoneIDs() const {
+    return bone_ids;
+}
+
+std::array<float, 4> JGL::SkeletalVertexAttribute::GetAffectingBoneWeights() const {
+    return bone_weights;
+}
+
+JGL::SkeletalVertexAttribute::SkeletalVertexAttribute(const std::vector<int>& ids, const std::vector<float>& weights) {
+
+    if (bone_ids.size() > 4 || bone_weights.size() > 4)
+        Logger::Fatal("Initialization of a skeletal vertex that is effected by more than 4 bones.");
+
+    memcpy(this->bone_ids.data(), bone_ids.data(), sizeof(int) * 4);
+    memcpy(this->bone_weights.data(), bone_weights.data(), sizeof(float) * 4);
+}
+
+bool JGL::Bone::IsRootBone() const {
+    if (parent_id == -1)
+        return true;
+    return false;
+}
+
+int JGL::Bone::GetID() const {
+    return id;
+}
+
+std::string JGL::Bone::GetName() const {
+    return name;
+}
+
+Matrix4x4 JGL::Bone::GetInverseBindMatrix() const {
+    return inverse_bind_matrix;
+}
+
+Matrix4x4 JGL::Bone::GetOffsetMatrix() const {
+    return offset_matrix;
+}
+
+Matrix4x4 JGL::Bone::GetFinalTransform() const {
+    return final_transform;
+}
+
+std::vector<int> JGL::Bone::GetChildren() const {
+    return children;
+}
+
+void Bone::SetParent(int parent_identifier) {
+    parent_id = parent_identifier;
+}
+
+void Bone::AppendChild(int new_child) {
+    children.push_back(new_child);
+}
+
+void Bone::SetID(int numeric_id) {
+    id = numeric_id;
+}
+
+void Bone::SetName(const std::string& string_id) {
+    name = string_id;
+}
+
+void Bone::SetInverseBindMatrix(const Matrix4x4& inverse_bind) {
+    inverse_bind_matrix = inverse_bind;
+}
+
+void Bone::SetOffsetMatrix(const Matrix4x4& offset) {
+    offset_matrix = offset;
+}
+
+void Bone::SetFinalTransformMatrix(const Matrix4x4& final) {
+    final_transform = final;
+}
+
+int Bone::GetParentID() const {
+    return parent_id;
+}
+
+Bone::Bone(int numeric_id, const std::string& string_id, int parent_bone, const std::vector<int>& children_ids, const Matrix4x4& inverse_bind, const Matrix4x4& offset, const Matrix4x4& final) {
+    id = numeric_id;
+    name = string_id;
+    parent_id = parent_bone;
+    inverse_bind_matrix = inverse_bind;
+    offset_matrix = offset;
+    final_transform = final;
+    children = children_ids;
+}
+
+Bone* Skeleton::GetRootBone() {
+    return &root;
+}
+
+Bone* Skeleton::FindBone(int id) {
+    if (root.GetID() == id)
+        return &root;
+
+    for (auto& bone : bones)
+        if (bone.GetID() == id)
+            return &bone;
+    // If we couldn't find it.
+    return nullptr;
+}
+
+Bone* Skeleton::FindBone(const std::string& string_id) {
+    if (root.GetName() == string_id)
+        return &root;
+
+    for (auto& bone : bones)
+        if (bone.GetName() == string_id)
+            return &bone;
+    return nullptr;
+}
+
+void Skeleton::AppendBone(const Bone& new_bone) {
+    bones.push_back(new_bone);
+}
+
+Skeleton::Skeleton(const Bone& root_bone, const std::vector<Bone>& children) {
+    root = root_bone;
+     bones = children;
+}
+
+float KeyFrame::GetTimeStamp() const {
+    return time_stamp;
+}
+
+Skeleton KeyFrame::GetSkeleton() const {
+    return pose;
+}
+
+KeyFrame::KeyFrame(const Skeleton& pose, float time_stamp) {
+    this->pose = pose;
+    this->time_stamp = time_stamp;
+}
+
+Animation::Animation(int id, float duration, const std::vector<KeyFrame>& key_frames, const std::vector<SkeletalVertexAttribute>& skeletal_vertex_attributes,
+                     const std::string& name) {
+    length = duration;
+    this->key_frames = key_frames;
+    this->id = id;
+    this->name = name;
+    this->vertex_attributes = skeletal_vertex_attributes;
+}
+
+float Animation::GetDuratrion() const {
+    return length;
+}
+
+std::vector<KeyFrame> Animation::GetKeyFrames() const {
+    return key_frames;
+}
+
+void Animation::AppendKeyFrame(const KeyFrame& new_key) {
+    key_frames.push_back(new_key);
+}
+
+void Animation::SetDuration(float duration) {
+    length = duration;
+}
+
+int Animation::GetID() const {
+    return id;
+}
+
+std::string Animation::GetName() const {
+    return name;
+}
+
+void Animation::SetID(int identifier) {
+    id = identifier;
+}
+
+void Animation::SetName(const std::string& name_id) {
+    name = name_id;
+}
+
+std::vector<SkeletalVertexAttribute> Animation::GetSkeletalVertexAttributes() const {
+    return vertex_attributes;
+}

src/types/Texture.cpp

@@ -0,0 +1,312 @@
+#include <JGL/types/Texture.h>
+#include <JGL/types/RenderTarget.h>
+#include <JGL/logger/logger.h>
+#include <glad/glad.h>
+#include <fstream>
+
+#define STB_IMAGE_IMPLEMENTATION
+#include "internals/stb_image.h"
+
+using namespace JGL;
+
+Texture::Texture(const std::filesystem::path& file, FilteringMode filtering_mode, WrappingMode wrapping_mode, bool invert_y) :
+invert_y(invert_y), filtering_mode(filtering_mode), wrapping_mode(wrapping_mode) {
+    std::vector<unsigned char> pixels{};
+
+    std::ifstream ifStream(file, std::ios::in | std::ios::binary);
+    if (!ifStream.is_open())
+        Logger::Fatal("Trying to load a texture from: " + file.string() + "but we couldn't read the file.");
+
+    unsigned char bmpFileHeader[14];
+
+    ifStream.read(reinterpret_cast<char*>(bmpFileHeader), 14);
+    if (bmpFileHeader[0] == 'B' && bmpFileHeader[1] == 'M')
+        pixels = bmp(file);
+
+    //TODO determine if it's a PNG using the file header instead.
+    else if (file.string().ends_with(".png"))
+        pixels = png(file);
+    ifStream.close();
+
+
+    if (invert_y) {
+        unsigned int row_size = size.x * 4;;
+        if (format == ColorFormat::RGB)
+            row_size = size.x * 3;
+
+        std::vector<unsigned char> temp(row_size);
+        for (unsigned int y = 0; y < size.y / 2; ++y) {
+            unsigned char *topRow = &pixels[y * row_size];
+            unsigned char *bottomRow = &pixels[(size.y - y - 1) * row_size];
+            std::copy(bottomRow, bottomRow + row_size, temp.begin());
+            std::copy(topRow, topRow + row_size, bottomRow);
+            std::copy(temp.begin(), temp.end(), topRow);
+        }
+    }
+
+    load(pixels.data());
+}
+
+std::vector<unsigned char> Texture::png(const std::filesystem::path& file) {
+    std::vector<unsigned char> result{};
+    int channels;
+
+    unsigned char* image_data = stbi_load(file.c_str(), &size.x, &size.y, &channels, 0);
+    if (!image_data)
+        Logger::Fatal("Trying to load a texture from: " + file.string() + "but we couldn't read the file.");
+
+    if (channels == 4)
+        format = ColorFormat::RGBA;
+    else if (channels == 3)
+        format = ColorFormat::RGB;
+
+    if (image_data)
+        result.assign(image_data, image_data + size.x * size.y * channels);
+
+    stbi_image_free(image_data);
+    return result;
+}
+
+std::vector<unsigned char> Texture::bmp(const std::filesystem::path& file) {
+    std::vector<unsigned char> result{};
+    std::ifstream bmp_file(file, std::ios::in | std::ios::binary);
+
+    unsigned char bmpFileHeader[14];
+    unsigned char bmpInfoHeader[40];
+
+    bmp_file.read(reinterpret_cast<char *>(bmpFileHeader), 14);
+    bmp_file.read(reinterpret_cast<char *>(bmpInfoHeader), 40);
+
+    size.x = bmpInfoHeader[4] + (bmpInfoHeader[5] << 8) + (bmpInfoHeader[6] << 16) + (bmpInfoHeader[7] << 24);
+    size.y = bmpInfoHeader[8] + (bmpInfoHeader[9] << 8) + (bmpInfoHeader[10] << 16) + (bmpInfoHeader[11] << 24);
+
+    int row_padded = (size.x * 3 + 3) & (~3);
+    result.resize(size.x * size.y * 3);
+
+    std::vector<unsigned char> rowData(row_padded);
+    for (int y = size.y - 1; y >= 0; --y) {
+        bmp_file.read(reinterpret_cast<char *>(rowData.data()), row_padded);
+        for (int x = 0; x < size.x; ++x) {
+            result[(y * size.x + x) * 3 + 2] = rowData[x * 3 + 0];
+            result[(y * size.x + x) * 3 + 1] = rowData[x * 3 + 1];
+            result[(y * size.x + x) * 3 + 0] = rowData[x * 3 + 2];
+        }
+    }
+
+    bmp_file.close();
+    format = ColorFormat::RGB;
+    return result;
+}
+
+Texture::Texture(const Vector2i& size, FilteringMode filtering_mode) : invert_y(true), format(ColorFormat::RGBA), size(size), filtering_mode(filtering_mode), wrapping_mode(WrappingMode::CLAMP_TO_EDGE) {
+    if (SizeExceedsMaximum(size))
+        Logger::Error("Creating a texture where the size is bigger than the maximum for this system.");
+    GLuint previous_texture;
+    glGetIntegerv(GL_TEXTURE_BINDING_2D, (GLint*) &previous_texture);
+
+    glGenTextures(1, &texture_handle);
+    glBindTexture(GL_TEXTURE_2D, texture_handle);
+    //NEAREST
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+    if (filtering_mode == FilteringMode::NEAREST)
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST),
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+    else if (filtering_mode == FilteringMode::BILINEAR)
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR),
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+    if (filtering_mode == FilteringMode::MIPMAP_NEAREST)
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST),
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+    else if (filtering_mode == FilteringMode::MIPMAP_BILINEAR)
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST),
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+    else if (filtering_mode == FilteringMode::MIPMAP_TRILINEAR)
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR),
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+    //Clamp
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+
+    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, size.x, size.y, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
+    glBindTexture(GL_TEXTURE_2D, previous_texture);
+}
+void Texture::load(const unsigned char* pixels) {
+    if (SizeExceedsMaximum(size))
+        Logger::Error("Creating a texture where the size is bigger than the maximum for this system.");
+
+    GLuint previous_texture;
+    glGetIntegerv(GL_TEXTURE_BINDING_2D, (GLint*) &previous_texture);
+
+    glGenTextures(1, &texture_handle);
+    glBindTexture(GL_TEXTURE_2D, texture_handle);
+
+    if (format == ColorFormat::RGBA)
+        glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, size.x, size.y, 0, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
+
+    else if (format == ColorFormat::RGB)
+        glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, size.x, size.y, 0, GL_RGB, GL_UNSIGNED_BYTE, pixels);
+
+    if (wrapping_mode == WrappingMode::CLAMP_TO_EDGE)
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE),
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+
+    else if (wrapping_mode == WrappingMode::REPEAT)
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT),
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+
+    else if (wrapping_mode == WrappingMode::MIRRORED_REPEAT)
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_MIRRORED_REPEAT),
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_MIRRORED_REPEAT);
+
+    else if (wrapping_mode == WrappingMode::CLAMP_TO_BORDER)
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER),
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER);
+
+    if (filtering_mode == FilteringMode::NEAREST)
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST),
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+    else if (filtering_mode == FilteringMode::BILINEAR)
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR),
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+    else if (filtering_mode == FilteringMode::MIPMAP_NEAREST ||
+            filtering_mode == FilteringMode::MIPMAP_BILINEAR ||
+            filtering_mode == FilteringMode::MIPMAP_TRILINEAR) {
+
+        glGenerateMipmap(GL_TEXTURE_2D);
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 0);
+
+        if (filtering_mode == FilteringMode::MIPMAP_NEAREST)
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST),
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+        else if (filtering_mode == FilteringMode::MIPMAP_BILINEAR)
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST),
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+        else if (filtering_mode == FilteringMode::MIPMAP_TRILINEAR)
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR),
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+    }
+    glBindTexture(GL_TEXTURE_2D, previous_texture);
+}
+
+std::vector<Color4> JGL::Texture::GetPixelData() const {
+    GLint current_texture;
+    glGetIntegerv(GL_TEXTURE_BINDING_2D, &current_texture);
+
+    std::vector<Color4> result((size_t) (size.x * size.y));
+    glBindTexture(GL_TEXTURE_2D, texture_handle);
+
+    if (format == ColorFormat::RGBA) {
+        glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_BYTE, result.data());
+        glBindTexture(GL_TEXTURE_2D, current_texture);
+        return result;
+    }
+
+    //if RGB
+    std::vector<Color3> color3((size_t) (size.x * size.y));
+    glGetTexImage(GL_TEXTURE_2D, 0, GL_RGB, GL_UNSIGNED_BYTE, color3.data());
+    for (const auto &c: color3)
+        result.emplace_back(c);
+
+    glBindTexture(GL_TEXTURE_2D, current_texture);
+    return result;
+}
+
+GLuint Texture::GetHandle() const {
+    return texture_handle;
+}
+
+Vector2i Texture::GetDimensions() const {
+    return size;
+}
+
+bool Texture::Inverted() const {
+    return invert_y;
+}
+
+ColorFormat Texture::GetFormat() const {
+    return format;
+}
+
+FilteringMode Texture::GetFilteringMode() const {
+    return filtering_mode;
+}
+
+WrappingMode Texture::GetWrappingMode() const {
+    return wrapping_mode;
+}
+
+Texture::Texture(const Color4* pixels, const Vector2i& size, const ColorFormat& format, FilteringMode filtering_mode, WrappingMode wrapping_mode) :
+ size(size), format(format), filtering_mode(filtering_mode), wrapping_mode(wrapping_mode) {
+    load((unsigned char*) pixels);
+}
+
+Texture::Texture(const Color3* pixels, const Vector2i& size, const ColorFormat& format, FilteringMode filtering_mode, WrappingMode wrapping_mode) :
+size(size), format(format), filtering_mode(filtering_mode), wrapping_mode(wrapping_mode) {
+    load((unsigned char*) pixels);
+}
+
+Texture::~Texture() {
+    if (texture_handle != 0)
+        glDeleteTextures(1, &texture_handle);
+    texture_handle = 0;
+}
+
+Texture::Texture(const Texture& rhs) {
+    auto* this_texture = new Texture(rhs.GetDimensions());
+    auto this_render_target = RenderTarget(this_texture);
+    auto rhs_render_target = RenderTarget(&rhs);
+
+    RenderTarget::Blit(rhs_render_target, &this_render_target);
+
+    this->texture_handle = this_texture->texture_handle;
+    this->size = this_texture->size;
+    this->invert_y = this_texture->invert_y;
+    this->format = this_texture->format;
+    this->filtering_mode = this_texture->filtering_mode;
+    this->wrapping_mode = this_texture->wrapping_mode;
+    operator delete(this_texture);
+}
+
+Texture::Texture(const Texture* textures, const size_t& texture_count) {
+    int length = 0;
+    int biggest_y = 0;
+
+    for (int i = 0; i < texture_count; i++) {
+        if (biggest_y < textures[i].size.y)
+            biggest_y = textures[i].size.y;
+        length += textures[i].size.x;
+    }
+
+    auto* result = new Texture(Vector2i(length, biggest_y));
+    auto render_target = RenderTarget(result);
+
+    int next_x = 0;
+    for (int i = 0; i < texture_count; i++) {
+        RenderTarget::Blit(&textures[i], &render_target, Vector2i(next_x, 0));
+        next_x += textures[i].GetDimensions().x;
+    }
+}
+
+bool Texture::SizeExceedsMaximum(const Vector2i& s) {
+
+    auto max_size = Texture::MaximumSize();
+    return s.x > max_size.x || s.y > max_size.y;
+}
+
+Vector2i Texture::MaximumSize() {
+    GLint max_size;
+    glGetIntegerv(GL_MAX_TEXTURE_SIZE, &max_size);
+
+    return { max_size, max_size };
+}

src/types/VRamList.cpp

@@ -0,0 +1,302 @@
+#include <JGL/types/VRamList.h>
+#include <JGL/logger/logger.h>
+#include <cstring>
+
+void JGL::VRamList::load(const GLfloat* data, const long& size) {
+    while (spin_lock) {}
+    spin_lock = true;
+
+    GLint current_array_buffer = 0;
+    glGetIntegerv(GL_ARRAY_BUFFER_BINDING, &current_array_buffer);
+    glGenBuffers(1, &list_handle);
+    glBindBuffer(GL_ARRAY_BUFFER, list_handle);
+    glBufferData(GL_ARRAY_BUFFER, size, data, GL_STATIC_DRAW);
+    glBindBuffer(GL_ARRAY_BUFFER, current_array_buffer);
+    element_array_buffer = false;
+    num_elements = size / sizeof(GLfloat);
+
+    spin_lock = false;
+}
+
+void JGL::VRamList::load(const GLuint* data, const long& size) {
+    while (spin_lock) {}
+    spin_lock = true;
+
+    GLint current_element_array_buffer = 0;
+    glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING, &current_element_array_buffer);
+    glGenBuffers(1, &list_handle);
+    glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, list_handle);
+    glBufferData(GL_ELEMENT_ARRAY_BUFFER, size, data, GL_STATIC_DRAW);
+    glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, current_element_array_buffer);
+    element_array_buffer = true;
+    num_elements = size / sizeof(GLuint);
+
+    spin_lock = false;
+}
+
+void JGL::VRamList::Erase() {
+    if (list_handle == 0)
+        return;
+
+    while (spin_lock) {}
+    spin_lock = true;
+
+    GLint current_element_array_buffer = 0;
+    glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING, &current_element_array_buffer);
+    GLint current_array_buffer = 0;
+    glGetIntegerv(GL_ARRAY_BUFFER_BINDING, &current_array_buffer);
+
+    if (element_array_buffer && current_element_array_buffer == list_handle)
+        JGL::Logger::Warning("Erasing an element array buffer while it's in use?");
+
+    else if (!element_array_buffer && current_array_buffer == list_handle)
+        JGL::Logger::Warning("Erasing an array buffer while it's in use?");
+
+    glDeleteBuffers(1, &list_handle);
+    list_handle = 0;
+
+    spin_lock = false;
+}
+
+GLuint JGL::VRamList::GetHandle() const {
+    return list_handle;
+}
+
+bool JGL::VRamList::IsFloatArray() const {
+    return !element_array_buffer;
+}
+
+long JGL::VRamList::GetLength() const {
+    return num_elements;
+}
+
+size_t JGL::VRamList::GetDataSize() const {
+    if (element_array_buffer)
+        return sizeof(GLuint) * num_elements;
+    return sizeof(GLfloat) * num_elements;
+}
+
+void JGL::VRamList::SetData(void* data, const long& length) {
+    while (spin_lock) {}
+    spin_lock = true;
+
+    bool should_resize = (this->num_elements != length);
+    if (should_resize) {
+        glDeleteBuffers(1, &list_handle);
+        list_handle = 0;
+        spin_lock = false;
+        element_array_buffer ? load((GLuint*) data, sizeof(GLuint) * length) : load((GLfloat*) data, sizeof(GLfloat) * length);
+        return;
+    }
+
+    // if (!should resize)
+    GLint current_buffer = 0;
+    GLenum buffer_type = GL_ARRAY_BUFFER;
+    GLenum buffer_binding = GL_ARRAY_BUFFER_BINDING;
+    if (element_array_buffer)
+        buffer_type = GL_ELEMENT_ARRAY_BUFFER,
+        buffer_binding = GL_ELEMENT_ARRAY_BUFFER_BINDING;
+
+    glGetIntegerv(buffer_binding, &current_buffer);
+    glBindBuffer(buffer_type, list_handle);
+
+    void* vram = glMapBuffer(buffer_type, GL_WRITE_ONLY);
+    if (!vram)
+        JGL::Logger::Fatal("Mapping in a VBO that doesn't exist?");
+
+    memcpy(vram, data, (element_array_buffer ? sizeof(GLuint) : sizeof(GLfloat)) * length);
+    
+    if (!glUnmapBuffer(buffer_type))
+        JGL::Logger::Fatal("We couldn't unmap the buffer?");
+
+    glBindBuffer(buffer_type, current_buffer);
+
+    spin_lock = false;
+}
+
+void JGL::VRamList::UpdateData(void* data, const long& offset, const long& length) {
+    while (spin_lock) {}
+    spin_lock = true;
+
+    if (offset + length > num_elements) {
+        JGL::Logger::Warning("Using UpdateData to out-of-bounds write the VRamList? I'll resize it for you, But this is slow.");
+        unsigned long oob_delta = (offset + length) - num_elements;
+
+        if (element_array_buffer) {
+            auto list_data = GetDataUI();
+            list_data.resize(list_data.size() + oob_delta);
+            memcpy(list_data.data() + (offset * sizeof(GLuint)), data, length * sizeof(GLuint));
+            spin_lock = false; // This is going unlock and relock really fast, But this code fixes something considered wrong anyway - Redacted.
+            return SetData(list_data.data(), list_data.size());
+        }
+
+        // if (!element_array_buffer)
+        auto list_data = GetDataF();
+        list_data.resize(list_data.size() + oob_delta);
+        memcpy(list_data.data() + (offset * sizeof(GLfloat)), data, length * sizeof(GLfloat));
+        spin_lock = false;
+        return SetData(list_data.data(), list_data.size());
+    }
+
+    GLint current_buffer = 0;
+    GLenum buffer_type = GL_ARRAY_BUFFER;
+    GLenum buffer_binding = GL_ARRAY_BUFFER_BINDING;
+
+    if (element_array_buffer)
+        buffer_type = GL_ELEMENT_ARRAY_BUFFER,
+        buffer_binding = GL_ELEMENT_ARRAY_BUFFER_BINDING;
+
+    glGetIntegerv(buffer_binding, &current_buffer);
+    glBindBuffer(buffer_type, list_handle);
+
+    void* vram = glMapBuffer(buffer_type, GL_WRITE_ONLY);
+    if (!vram)
+        JGL::Logger::Fatal("Mapping in a VBO that doesn't exist?");
+
+    size_t element_size = element_array_buffer ? sizeof(GLuint) : sizeof(GLfloat);
+    memcpy(reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(vram) + (offset * element_size)), data, length * element_size);
+
+    if (!glUnmapBuffer(buffer_type))
+        JGL::Logger::Fatal("We couldn't unmap the buffer?");
+
+    glBindBuffer(buffer_type, current_buffer);
+
+    spin_lock = false;
+}
+
+std::vector<GLfloat> JGL::VRamList::GetDataF() const {
+    while (spin_lock) {}
+
+    if (element_array_buffer)
+        JGL::Logger::Warning("Getting data as GLfloat but the buffer data is GLuint?");
+
+    bool vertex_array_enabled = glIsEnabled(GL_VERTEX_ARRAY);
+    if (!vertex_array_enabled)
+        glEnableClientState(GL_VERTEX_ARRAY);
+
+    GLint current_buffer = 0;
+    glGetIntegerv(GL_ARRAY_BUFFER_BINDING, &current_buffer);
+    glBindBuffer(GL_ARRAY_BUFFER, list_handle);
+
+    std::vector<GLfloat> data(num_elements);
+    void* vram = glMapBuffer(GL_ARRAY_BUFFER, GL_READ_ONLY);
+    if (vram == nullptr)
+        JGL::Logger::Fatal("Mapping in a VBO that doesn't exist?");
+
+    memcpy(data.data(), vram, num_elements * sizeof(GLfloat));
+
+    glUnmapBuffer(GL_ARRAY_BUFFER);
+    glBindBuffer(GL_ARRAY_BUFFER, current_buffer);
+
+    if (!vertex_array_enabled)
+        glDisableClientState(GL_VERTEX_ARRAY);
+    return data;
+}
+
+std::vector<GLuint> JGL::VRamList::GetDataUI() const {
+    while (spin_lock) {}
+
+    if (!element_array_buffer)
+        JGL::Logger::Warning("Getting data as GLuint but the buffer data is GLfloat?");
+
+    GLint current_buffer = 0;
+    glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING, &current_buffer);
+
+    glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, list_handle);
+    std::vector<GLuint> data(num_elements);
+
+    void* vram = glMapBuffer(GL_ELEMENT_ARRAY_BUFFER, GL_READ_ONLY);
+    if (vram == nullptr)
+        JGL::Logger::Fatal("Mapping in a VBO that doesn't exist?");
+
+    memcpy(data.data(), vram, num_elements * sizeof(GLuint));
+
+    glUnmapBuffer(GL_ELEMENT_ARRAY_BUFFER);
+    glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, current_buffer);
+
+    return data;
+}
+
+JGL::VRamList::VRamList(const GLfloat* data, const long& length) {
+    load(data, (long) sizeof(GLfloat) * length);
+}
+
+JGL::VRamList::VRamList(const GLuint* data, const long& length) {
+    load(data, (long) sizeof(GLuint) * length);
+}
+
+JGL::VRamList::VRamList(const Vector2* data, const long& length) {
+    load(reinterpret_cast<const GLfloat*>(data), (long) sizeof(Vector2) * length);
+}
+
+JGL::VRamList::VRamList(const Vector3* data, const long& length) {
+    load(reinterpret_cast<const GLfloat*>(data), (long) sizeof(Vector3) * length);
+}
+
+JGL::VRamList::VRamList(const Vector4* data, const long& length) {
+    load(reinterpret_cast<const GLfloat*>(data), (long) sizeof(Vector4) * length);
+}
+
+void JGL::VRamList::SetData(const GLfloat* data, const long& length) {
+    SetData((void*) data, length);
+}
+
+void JGL::VRamList::SetData(const Vector2* data, const long& length) {
+    SetData((void*) data, length * 2);
+}
+
+void JGL::VRamList::SetData(const Vector3* data, const long& length) {
+    SetData((void*) data, length * 3);
+}
+
+void JGL::VRamList::SetData(const Vector4* data, const long& length) {
+    SetData((void*) data, length * 4);
+}
+
+void JGL::VRamList::SetData(const GLuint* data, const long& length) {
+    SetData((void*) data, length);
+}
+
+void JGL::VRamList::SetData(const Vector2i* data, const long& length) {
+    SetData((void*) data, length * 2);
+}
+
+void JGL::VRamList::UpdateData(const GLfloat* data, const long& offset, const long& length) {
+    UpdateData((void*) data, offset, length);
+}
+
+void JGL::VRamList::UpdateData(const Vector2* data, const long& offset, const long& length) {
+    UpdateData((void*) data, offset, length * 2);
+}
+
+void JGL::VRamList::UpdateData(const Vector3* data, const long& offset, const long& length) {
+    UpdateData((void*) data, offset, length * 3);
+}
+
+void JGL::VRamList::UpdateData(const Vector4* data, const long& offset, const long& length) {
+    UpdateData((void*) data, offset, length * 4);
+}
+
+void JGL::VRamList::UpdateData(const GLuint* data, const long& offset, const long& length) {
+    UpdateData((void*) data, offset, length);
+}
+
+void JGL::VRamList::UpdateData(const Vector2i* data, const long& offset, const long& length) {
+    UpdateData((void*) data, offset, length * 2);
+}
+
+JGL::VRamList::~VRamList() {
+    Erase();
+}
+
+JGL::VRamList::VRamList(const JGL::VRamList& rhs) {
+    while (rhs.spin_lock) {}
+
+    if (rhs.element_array_buffer) {
+        auto data_array = rhs.GetDataUI();
+        this->load(data_array.data(), data_array.size());
+    }
+
+    auto data_array = rhs.GetDataF();
+    this->load(data_array.data(), data_array.size());
+}

src/types/VertexArray.cpp

@@ -0,0 +1,179 @@
+#include <JGL/types/VertexArray.h>
+#include <JGL/logger/logger.h>
+
+using namespace JGL;
+
+const VRamList* VertexArray::GetVertices() const {
+    return vertices;
+}
+
+const VRamList* VertexArray::GetIndices() const {
+    return indices;
+}
+
+const VRamList* VertexArray::GetNormals() const {
+    return normals;
+}
+
+const VRamList* VertexArray::GetTextureCoordinates() const {
+    return texture_coordinates;
+}
+
+std::vector<Vertex> VertexArray::GetLocalVertices() const {
+    return local_vertices;
+}
+
+std::vector<unsigned int> VertexArray::GetLocalIndices() const {
+    return local_indices;
+}
+
+std::vector<TextureCoordinate> VertexArray::GetLocalTextureCoordinates() const {
+    return local_texture_coordinates;
+}
+
+std::vector<Normal> VertexArray::GetLocalNormals() const {
+    return local_normals;
+}
+
+Sphere VertexArray::GetMESphere(const Vector3& scale, const Vector3& translate_part) const {
+    if (scale == Vector3::One)
+        return { me_sphere.Position + translate_part, me_sphere.Radius };
+
+    float scale_factor = 0;
+    if (scale.x > scale_factor)
+        scale_factor = scale.x;
+    if (scale.y > scale_factor)
+        scale_factor = scale.y;
+    if (scale.z > scale_factor)
+        scale_factor = scale.z;
+
+    return { me_sphere.Position + translate_part, me_sphere.Radius * scale_factor };
+}
+
+Sphere VertexArray::GetMESphere(const Matrix4x4& instance_matrix, bool translate) const {
+    Vector3 scale = instance_matrix.GetScale();
+    Vector3 origin = Vector3::Zero;
+    if (translate)
+        origin = instance_matrix.GetTranslatePart();
+
+    return GetMESphere(scale, origin);
+}
+
+void VertexArray::CreateMESphere() {
+    Sphere result = {Vector3::Zero, 0};
+    Vector3 minimum = {std::numeric_limits<float>::max(), std::numeric_limits<float>::max(), std::numeric_limits<float>::max() };
+    Vector3 maximum = { std::numeric_limits<float>::lowest(), std::numeric_limits<float>::lowest(), std::numeric_limits<float>::lowest()};
+
+    for (const auto& vertex : local_vertices) {
+        if (vertex.x < minimum.x)
+            minimum.x = vertex.x;
+        if (vertex.x > maximum.x)
+            maximum.x = vertex.x;
+
+        if (vertex.y < minimum.y)
+            minimum.y = vertex.y;
+        if (vertex.y > maximum.y)
+            maximum.y = vertex.y;
+
+        if (vertex.z < minimum.z)
+            minimum.z = vertex.z;
+        if (vertex.z > maximum.z)
+            maximum.z = vertex.z;
+    }
+    result.Position = (minimum + maximum) * 0.5f;
+    for (const auto& vertex : local_vertices) {
+        float distance_squared = Vector3::DistanceSquared(result.Position, vertex);
+        if (distance_squared > result.Radius)
+            result.Radius = distance_squared;
+    }
+    result.Radius = std::sqrt(result.Radius);
+    me_sphere = result;
+}
+
+void VertexArray::CreateMEOBB() {
+    Vector3 minimum(std::numeric_limits<float>::max());
+    Vector3 maximum (std::numeric_limits<float>::min());
+
+    for (const auto& vertex : local_vertices) {
+        if (vertex.x < minimum.x)
+            minimum.x = vertex.x;
+        if (vertex.x > maximum.x)
+            maximum.x = vertex.x;
+
+        if (vertex.y < minimum.y)
+            minimum.y = vertex.y;
+        if (vertex.y > maximum.y)
+            maximum.y = vertex.y;
+
+        if (vertex.z < minimum.z)
+            minimum.z = vertex.z;
+        if (vertex.z > maximum.z)
+            maximum.z = vertex.z;
+    }
+
+    Vector3 position = (minimum + maximum) * 0.5f;
+    Vector3 half_extents = (maximum - minimum) * 0.5f;
+
+    me_obb = { position, half_extents, Vector3::UnitX, Vector3::UnitY, Vector3::UnitZ };
+}
+
+OBB VertexArray::GetMEOBB(const Matrix3x3& rotation_matrix, const Vector3& scale, const Vector3& translate_part) const {
+    Vector3 half_extents = me_obb.r.Mul(scale);
+    Vector3 axis0 = rotation_matrix * me_obb.axis[0];
+    Vector3 axis1 = rotation_matrix * me_obb.axis[1];
+    Vector3 axis2 = rotation_matrix * me_obb.axis[2];
+    Vector3 position = me_obb.pos + translate_part;
+
+    return { position, half_extents, axis0, axis1, axis2 };
+}
+
+OBB VertexArray::GetMEOBB(const Matrix4x4& instance_matrix, bool translate) const {
+    return GetMEOBB(instance_matrix.GetRotatePart(), instance_matrix.GetScale(), translate ? instance_matrix.GetTranslatePart() : Vector3::Zero);
+}
+
+AABB VertexArray::GetMEAABB(const Matrix3x3& rotation_matrix, const Vector3& scale, const Vector3& translate_part) const {
+    /* kind-of a cheat. It's faster to calculate the oriented bounding box and then put the axis-aligned one around that
+     * than to loop over the whole model like an idiot. You gain back all the speed with the simplicity of the physics anyways. - Redacted */
+    return GetMEOBB(rotation_matrix, scale, translate_part).MinimalEnclosingAABB();
+}
+
+AABB VertexArray::GetMEAABB(const Matrix4x4& instance_matrix, bool translate) const {
+    return GetMEAABB(instance_matrix.GetRotatePart(), instance_matrix.GetScale(), translate ? instance_matrix.GetTranslatePart() : Vector3::Zero);
+}
+
+VertexArray::VertexArray(const Vector3* vertex_positions, const long& vp_length, const unsigned int* vertex_indices, const long& vi_length,
+                         const Normal* vertex_normals, const long& vn_length, const TextureCoordinate* texture_coordinates, const long& vt_length) {
+
+    // TODO decimator. This is a total waste of memory as it sits.
+    this->vertices = new VRamList(vertex_positions, vp_length);
+
+    local_vertices.resize(vp_length);
+    memcpy(local_vertices.data(), vertex_positions, sizeof(Vector3) * vp_length);
+
+    if (vertex_indices && vi_length) {
+        indices = new VRamList(vertex_indices, vi_length);
+        local_indices.resize(vi_length);
+        memcpy(local_indices.data(), vertex_indices, sizeof(unsigned int) * vi_length);
+    }
+
+    if (vertex_normals && vn_length) {
+        normals = new VRamList(vertex_normals, vn_length);
+        local_normals.resize(vn_length);
+        memcpy(local_normals.data(), vertex_indices, sizeof(Normal) * vn_length);
+    }
+
+    if (texture_coordinates && vt_length) {
+        this->texture_coordinates = new VRamList(texture_coordinates, vt_length);
+        local_texture_coordinates.resize(vt_length);
+        memcpy(local_texture_coordinates.data(), texture_coordinates, sizeof(TextureCoordinate) * vt_length);
+    }
+
+}
+
+VertexArray::VertexArray(const std::vector<Vertex>& vertex_positions, const std::vector<unsigned int>& vertex_indices, const std::vector<Normal>& vertex_normals, const std::vector<TextureCoordinate>& texture_coordinates) {
+    *this = VertexArray(vertex_positions.data(), vertex_positions.size(), vertex_indices.data(), vertex_indices.size(), vertex_normals.data(), vertex_normals.size(), texture_coordinates.data(), texture_coordinates.size());
+}
+
+bool VertexArray::Static() {
+    return animations.empty();
+}

src/types/model/WavefrontOBJ.cpp

@@ -0,0 +1,334 @@
+#include <JGL/types/VertexArray.h>
+#include <JGL/logger/logger.h>
+
+std::pair<float, unsigned long> ParseNumber(const std::string& file_text, const unsigned long& offset) {
+    std::string number;
+    unsigned long new_offset = offset;
+    bool decimal_used = false;
+
+    if (offset >= file_text.size())
+        return {0.0f, offset};
+
+    for (; new_offset < file_text.size(); new_offset++) {
+        if (file_text[new_offset] == '-') {
+            if (number.empty()) {
+                number.push_back(file_text[new_offset]);
+                continue;
+            }
+            Logger::Error("Error while parsing number, Index: " + std::to_string(new_offset) + " Extra negative sign.");
+            return {0.0f, offset};
+        }
+
+        else if (file_text[new_offset] == '.') {
+            if (!decimal_used) {
+                number.push_back(file_text[new_offset]);
+                decimal_used = true;
+                continue;
+            }
+            Logger::Error("Error parsing number at: " + std::to_string(new_offset) + " Extra decimal point.");
+            return {0.0f, offset};
+        }
+
+        else if (isdigit(file_text[new_offset]))
+            number.push_back(file_text[new_offset]);
+        else
+            break;
+    }
+    return {std::stof(number), new_offset};
+}
+
+std::pair<Vector2, unsigned long> ParseVector2(const std::string& file_text, const unsigned long& offset) {
+    auto x_result = ParseNumber(file_text, offset);
+    auto y_result = ParseNumber(file_text, x_result.second + 1);
+
+    // If the new offset is the same as the offset we passed in then we know it didn't work.
+    if (x_result.second == offset || y_result.second == x_result.second)
+        return {Vector2(0, 0), offset};
+
+    return {Vector2(x_result.first, y_result.first), y_result.second + 1};
+}
+
+std::pair<Vector3, unsigned long> ParseVector3(const std::string& file_text, const unsigned long& offset) {
+    auto x_result = ParseNumber(file_text, offset);
+    auto y_result = ParseNumber(file_text, x_result.second + 1);
+    auto z_result = ParseNumber(file_text, y_result.second + 1);
+
+    // If the new offset is the same as the offset we passed in then we know it didn't work.
+    if (x_result.second == offset || y_result.second == x_result.second || z_result.second == y_result.second)
+        return {Vector3(0,0,0), offset};
+
+    return {Vector3(x_result.first, y_result.first, z_result.first), z_result.second + 1};
+}
+
+std::pair<Vector4, unsigned long> ParseVector4(const std::string& file_text, const unsigned long& offset) {
+    auto x_result = ParseNumber(file_text, offset);
+    auto y_result = ParseNumber(file_text, x_result.second + 1);
+    auto z_result = ParseNumber(file_text, y_result.second + 1);
+    auto w_result = ParseNumber(file_text, z_result.second + 1);
+
+    if (x_result.second == offset || y_result.second == x_result.second || z_result.second == y_result.second || w_result.second == z_result.second)
+        return {Vector4(0, 0, 0, 0), offset};
+
+    return {Vector4(x_result.first, y_result.first, z_result.first, w_result.first), w_result.second + 1};
+}
+
+std::pair<std::array<Vector3, 3>, unsigned long> ParseWavefrontFaceData(const std::string& file_text, const unsigned long& offset) {
+    unsigned long new_offset = offset;
+    std::array<Vector3, 3> face_data;
+
+    for (unsigned int i = 0; i < 3; i++) {
+        Vector3 vertex = {-1, -1, -1};
+
+        // Vertex
+        if (std::isdigit(file_text[new_offset])) {
+            auto v_result = ParseNumber(file_text, new_offset);
+            vertex.x = v_result.first;
+            new_offset = v_result.second;
+        }
+
+        // UV
+        if (new_offset < file_text.size() && file_text[new_offset] == '/') {
+            new_offset++;
+
+            if (new_offset < file_text.size() && (std::isdigit(file_text[new_offset]))) {
+                auto vt_result = ParseNumber(file_text, new_offset);
+                vertex.y = vt_result.first;
+                new_offset = vt_result.second;
+            }
+        }
+
+        // Normal
+        if (new_offset < file_text.size() && file_text[new_offset] == '/') {
+            new_offset++;
+
+            if (new_offset < file_text.size() && (std::isdigit(file_text[new_offset]))) {
+                auto vn_result = ParseNumber(file_text, new_offset);
+                vertex.z = vn_result.first;
+                new_offset = vn_result.second;
+            }
+        }
+
+        face_data[i] = vertex;
+        new_offset++;
+    }
+    return {face_data, new_offset};
+}
+
+VertexArray VertexArray::LoadWavefrontOBJ(const std::string &file_text) {
+    std::vector<std::array<Vector3, 3>> faceline_data;
+
+    std::vector<TextureCoordinate> temp_uvs;
+    std::vector<Normal> temp_normals;
+    std::vector<Vertex> temp_vertices;
+
+    unsigned long offset = 0;
+    while (offset < file_text.size()) {
+        char c = file_text[offset];
+
+        // TODO the entire line a comment is on should be skipped.
+        // Skip forward to the character after the next newline.
+        if (c == '#' || c == '\n' || c == '\r') {
+            offset++;
+            continue;
+        }
+
+        // Vertices
+        if (c == 'v' && offset + 1 < file_text.size() && file_text[offset + 1] == ' ') {
+            offset += 2;
+
+            auto vertex_result = ParseVector3(file_text, offset);
+            if (vertex_result.second != offset) {
+                temp_vertices.push_back(vertex_result.first);
+                offset = vertex_result.second;
+            }
+        }
+
+            // Normals.
+        else if (c == 'v' && offset + 2 < file_text.size() && file_text[offset + 1] == 'n' &&
+                 file_text[offset + 2] == ' ') {
+            offset += 3;
+
+            auto normal_result = ParseVector3(file_text, offset);
+            if (normal_result.second != offset) {
+                temp_normals.push_back(normal_result.first);
+                offset = normal_result.second;
+            }
+        }
+
+            // Texture Coordinates
+        else if (c == 'v' && offset + 2 < file_text.size() && file_text[offset + 1] == 't' &&
+                 file_text[offset + 2] == ' ') {
+            offset += 3;
+
+            auto uv_result = ParseVector2(file_text, offset);
+            if (uv_result.second != offset) {
+                temp_uvs.push_back(uv_result.first);
+                offset = uv_result.second;
+            }
+        }
+
+            // Face lines.
+        else if (c == 'f' && offset + 1 < file_text.size() && file_text[offset + 1] == ' ') {
+            offset += 2;
+
+            auto faceline_result = ParseWavefrontFaceData(file_text, offset);
+            if (faceline_result.second != offset) {
+                faceline_data.push_back(faceline_result.first);
+                offset = faceline_result.second;
+            }
+        } else
+            offset++;
+    }
+
+// Pick everything out of the face lines and set up how OpenGL expects.
+    std::vector<Vertex> final_vertices;
+    std::vector<TextureCoordinate> final_uvs;
+    std::vector<Normal> final_normals;
+    std::vector<unsigned int> final_indices;
+    for (const auto &face: faceline_data) {
+        for (const auto &vp: face) {
+            Vertex vertex;
+            TextureCoordinate uv;
+            Normal normal;
+
+            if (vp.x != -1)
+                vertex = temp_vertices[vp.x - 1];
+            if (vp.y != -1)
+                uv = temp_uvs[vp.y - 1];
+            if (vp.z != -1)
+                normal = temp_normals[vp.z - 1];
+
+            final_vertices.push_back(vertex);
+            final_uvs.push_back(uv);
+            final_normals.push_back(normal);
+            final_indices.push_back((unsigned int) final_vertices.size() - 1);
+        }
+    }
+
+    return VertexArray(
+            final_vertices.data(), final_vertices.size(),
+            final_indices.data(), final_indices.size(),
+            final_normals.data(), final_normals.size(),
+            final_uvs.data(), final_uvs.size());
+}
+
+/*
+VertexArray JGL::LoadAMO(const std::string& file_text) {
+    std::vector<Vector3> temp_vertices;
+    std::vector<Vector3> temp_normals;
+    std::vector<Vector2> temp_uvs;
+    std::vector<std::array<Vector3, 3>> faceline_data;
+    std::string name;
+
+    unsigned long offset = 0;
+    while (offset < file_text.size()) {
+        char c = file_text[offset];
+
+        // If we've dropped on a newline character somehow then just skip passed it.
+        if (c == '\n' || c == '\r') {
+            offset++; continue;
+        }
+
+        // File name.
+        else if (offset + 2 < file_text.size() && c == 'a' && file_text[offset + 1] == 'o' && file_text[offset + 2] == ' ') {
+            offset += 3;
+            while (offset < file_text.size()) {
+                if (file_text[offset] != '\n' && file_text[offset] != '\r')
+                    name.push_back(file_text[offset]), offset++;
+                else
+                    break;
+            }
+        }
+
+        // Vertices
+        else if (offset + 1 < file_text.size() && c == 'v' && file_text[offset + 1] == ' ') {
+            offset += 2; auto parsed_number = ParseNumber(file_text, offset);
+
+            if (parsed_number.second == offset)
+                Logger::Fatal("We couldn't interpret the Vertex count at: " + std::to_string(offset));
+
+            unsigned long vertex_count = parsed_number.first;
+            offset = parsed_number.second;
+
+            for (unsigned long i = 0; i < vertex_count; i++) {
+                // Skip by newlines.
+                while (file_text[offset] == '\n' || file_text[offset] == '\r')
+                    offset++;
+
+                auto parsed_vector3 = ParseVector3(file_text, offset);
+                if (parsed_vector3.second == offset)
+                    Logger::Fatal("We couldn't interpret the Vertex at: " + std::to_string(offset));
+
+                temp_vertices.push_back(parsed_vector3.first);
+                offset = parsed_vector3.second;
+            }
+        }
+
+        // UVs
+        else if (offset + 2 < file_text.size() && c == 'v' && file_text[offset + 1] == 't' && file_text[offset + 2] == ' ') {
+            offset += 3; auto parsed_number = ParseNumber(file_text, offset);
+
+            if (parsed_number.second == offset)
+                Logger::Fatal("We couldn't interpret the UV count at: " + std::to_string(offset));
+
+            unsigned long uv_count = parsed_number.first;
+            offset = parsed_number.second;
+
+            for (unsigned long i = 0; i < uv_count; i++) {
+                // Skip by newlines.
+                while (file_text[offset] == '\n' || file_text[offset] == '\r')
+                    offset++;
+
+                auto parsed_vector2 = ParseVector2(file_text, offset);
+                if (parsed_vector2.second == offset)
+                    Logger::Fatal("We couldn't interpret the UV at: " + std::to_string(offset));
+
+                temp_uvs.push_back(parsed_vector2.first);
+                offset = parsed_vector2.second;
+            }
+        }
+
+        // Normals
+        else if (offset + 2 < file_text.size() && c == 'v' && file_text[offset + 1] == 'n' && file_text[offset + 2] == ' ') {
+            offset += 3; auto parsed_number = ParseNumber(file_text, offset);
+
+            if (parsed_number.second == offset)
+                Logger::Fatal("We couldn't interpret the Normal count at: " + std::to_string(offset));
+
+            unsigned long uv_count = parsed_number.first;
+            offset = parsed_number.second;
+
+            for (unsigned long i = 0; i < uv_count; i++) {
+                // Skip by newlines.
+                while (file_text[offset] == '\n' || file_text[offset] == '\r')
+                    offset++;
+
+                auto parsed_vector3 = ParseVector3(file_text, offset);
+                if (parsed_vector3.second == offset)
+                    Logger::Fatal("We couldn't interpret the Normal at: " + std::to_string(offset));
+
+                temp_normals.push_back(parsed_vector3.first);
+                offset = parsed_vector3.second;
+            }
+        }
+
+        // Face Lines
+        else if (offset + 1 < file_text.size() && c == 'f'  && file_text[offset + 1] == ' ') {
+            offset += 2; auto parsed_number = ParseNumber(file_text, offset);
+
+            if (parsed_number.second == offset)
+                Logger::Fatal("We couldn't interpret the Face Line count at: " + std::to_string(offset));
+
+            unsigned long faceline_count = parsed_number.first;
+            for (unsigned long i = 0; i < faceline_count; i++) {
+                // Skip by newlines.
+                while (file_text[offset] == '\n' || file_text[offset] == '\r')
+                    offset++;
+
+                
+            }
+        }
+
+    }
+}
+ */