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4 Commits

Author SHA1 Message Date
Redacted
48493cb2fc Update CMakeLists.txt 2024-02-24 07:56:25 -05:00
5b7829b1f8 Implement LearnOpenGL::Mesh 2024-02-22 18:39:50 -05:00
868f52464e Fixed broken migration 2024-02-21 23:42:55 -05:00
d1d2493435 Migrate to latest ReWindow 2024-02-21 23:27:10 -05:00
5 changed files with 239 additions and 89 deletions

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@@ -1,67 +1,67 @@
cmake_minimum_required(VERSION 3.25)
project(JGL
VERSION 1.0
LANGUAGES CXX
)
if (PROJECT_SOURCE_DIR STREQUAL PROJECT_BINARY_DIR)
message(FATAL_ERROR "In-source builds are not allowed")
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 J3ML
URL https://git.redacted.cc/josh/j3ml/archive/Prerelease-18.zip
)
CPMAddPackage(
NAME ReWindow
URL https://git.redacted.cc/Redacted/ReWindow/archive/vA0.2.14.zip
)
CPMAddPackage(
NAME GLAD
URL https://git.redacted.cc/Redacted/glad/archive/v2.1.zip
)
file(GLOB_RECURSE HEADERS "include/*.h" "include/*.hpp")
file(GLOB_RECURSE SOURCES "src/*.c" "src/*.cpp" )
file(GLOB_RECURSE ASSETS "content/*")
add_library(JGL SHARED ${SOURCES}
include/JGL/JGL.h
src/JGL/JGL.cpp
include/LearnOpenGL/Shader.h
include/LearnOpenGL/Texture2D.h
include/JGL/Color3.h
include/JGL/Colors.h
include/JGL/Color4.h
)
set_target_properties(JGL PROPERTIES LINKER_LANGUAGE CXX)
find_package(OpenGL REQUIRED)
find_package(GLUT REQUIRED)
find_package(Freetype REQUIRED)
add_executable(JGL_Demo main.cpp)
set_target_properties(JGL_Demo PROPERTIES LINK_FLAGS "-Wl,-rpath,./lib")
include_directories(${PROJECT_SOURCE_DIR}/include)
include_directories(${OPENGL_INCLUDE_DIRS})
include_directories(${GLUT_INCLUDE_DIRS})
include_directories(${J3ML_SOURCE_DIR}/include)
include_directories(${ReWindow_SOURCE_DIR}/include)
include_directories(${glad_SOURCE_DIR}/include)
target_link_libraries(JGL PRIVATE ${FREETYPE_LIBRARIES})
target_include_directories(JGL PRIVATE ${FREETYPE_INCLUDE_DIRS})
target_link_libraries(JGL_Demo PUBLIC JGL ${OPENGL_LIBRARIES} ${GLUT_LIBRARIES} J3ML ReWindowLibrary GLEW glad)
cmake_minimum_required(VERSION 3.25)
project(JGL
VERSION 1.0
LANGUAGES CXX
)
if (PROJECT_SOURCE_DIR STREQUAL PROJECT_BINARY_DIR)
message(FATAL_ERROR "In-source builds are not allowed")
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 J3ML
URL https://git.redacted.cc/josh/j3ml/archive/Prerelease-18.zip
)
CPMAddPackage(
NAME ReWindow
URL https://git.redacted.cc/Redacted/ReWindow/archive/vA0.2.19.zip
)
CPMAddPackage(
NAME GLAD
URL https://git.redacted.cc/Redacted/glad/archive/v2.1.zip
)
file(GLOB_RECURSE HEADERS "include/*.h" "include/*.hpp")
file(GLOB_RECURSE SOURCES "src/*.c" "src/*.cpp" )
file(GLOB_RECURSE ASSETS "content/*")
add_library(JGL SHARED ${SOURCES}
include/JGL/JGL.h
src/JGL/JGL.cpp
include/LearnOpenGL/Shader.h
include/LearnOpenGL/Texture2D.h
include/JGL/Color3.h
include/JGL/Colors.h
include/JGL/Color4.h
)
set_target_properties(JGL PROPERTIES LINKER_LANGUAGE CXX)
find_package(OpenGL REQUIRED)
find_package(GLUT REQUIRED)
find_package(Freetype REQUIRED)
add_executable(JGL_Demo main.cpp)
set_target_properties(JGL_Demo PROPERTIES LINK_FLAGS "-Wl,-rpath,./lib")
include_directories(${PROJECT_SOURCE_DIR}/include)
include_directories(${OPENGL_INCLUDE_DIRS})
include_directories(${GLUT_INCLUDE_DIRS})
include_directories(${J3ML_SOURCE_DIR}/include)
include_directories(${ReWindow_SOURCE_DIR}/include)
include_directories(${glad_SOURCE_DIR}/include)
target_link_libraries(JGL PRIVATE ${FREETYPE_LIBRARIES})
target_include_directories(JGL PRIVATE ${FREETYPE_INCLUDE_DIRS})
target_link_libraries(JGL_Demo PUBLIC JGL ${OPENGL_LIBRARIES} ${GLUT_LIBRARIES} J3ML ReWindowLibrary GLEW glad)

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@@ -10,6 +10,10 @@
#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>
// OpenGL Wrapper for rendering 2D graphics primitives in both a 2D and 3D context
namespace JGL {
@@ -22,6 +26,10 @@ namespace JGL {
using J3ML::LinearAlgebra::Quaternion;
using J3ML::Geometry::Sphere;
using J3ML::Geometry::OBB;
using J3ML::Geometry::Capsule;
using J3ML::Geometry::TriangleMesh;
using J3ML::Geometry::Plane;
struct HSV {
float hue;
@@ -50,32 +58,19 @@ namespace JGL {
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);
@@ -87,8 +82,14 @@ namespace JGL {
}
namespace J3D {
void DrawLine3D(const Color3& color, const Vector3 &A, const Vector3 &B, float thickness = 1);
void FillSphere3D();
void WireframeSphere3D(const Sphere& sphere);
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);
void DrawMatrixGizmo (const Matrix3x3&, const Vector3&);

149
include/LearnOpenGL/Mesh.h Normal file
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@@ -0,0 +1,149 @@
/// @file Mesh.h
/// @description
/// @author LearnOpenGL - Updated Josh O'Leary
/// @lastedit 2024-02-22
// Original Source:
// https://learnopengl.com/code_viewer_gh.php?code=includes/learnopengl/mesh.h
#pragma once
#include <glad/glad.h>
#include <GL/glew.h>
#include <GL/glext.h>
#include <J3ML/LinearAlgebra/Vector3.h>
#include <J3ML/LinearAlgebra/Vector2.h>
#include <string>
#include "Shader.h"
using J3ML::LinearAlgebra::Vector2;
using J3ML::LinearAlgebra::Vector3;
using J3ML::u32;
constexpr int MAX_BONE_INFLUENCE = 4;
namespace LearnOpenGL
{
struct Vertex
{
Vector3 Position;
Vector3 Normal;
Vector2 TexCoords;
Vector3 Tangent;
Vector3 BiTangent;
int BoneIDs[MAX_BONE_INFLUENCE];
float BoneWeights[MAX_BONE_INFLUENCE];
};
// Different from Texture2D in purpose
struct Texture {
unsigned int id;
std::string type;
std::string path;
};
class Mesh {
public:
std::vector<Vertex> vertices;
std::vector<uint> indices;
std::vector<Texture> textures;
uint VAO;
Mesh(std::vector<Vertex> verts, std::vector<uint> indices, std::vector<Texture> textures)
{
this->vertices = verts;
this->indices = indices;
this->textures = textures;
setupMesh();
}
void Draw(Shader &shader)
{
uint diffuse = 1;
uint specular = 1;
uint normal = 1;
uint height = 1;
for (uint i = 0; i < textures.size(); i++)
{
// activate proper texture unit before binding
glActiveTexture(GL_TEXTURE0 + i);
// retrieve texture number (the N in diffuse_textureN)
std::string number;
std::string name = textures[i].type;
if (name == "texture_diffuse")
number = std::to_string(diffuse++);
else if (name == "texture_specular")
number = std::to_string(specular++);
else if (name == "texture_normal")
number = std::to_string(normal++);
else if (name == "texture_height")
number = std::to_string(height++);
// now set the sampler to the correct texture unit
glUniform1i(glGetUniformLocation(shader.ID, (name + number).c_str()), i);
// and finally bind the texture
glBindTexture(GL_TEXTURE_2D, textures[i].id);
}
// draw mesh
glBindVertexArray(VAO);
glDrawElements(GL_TRIANGLES, static_cast<uint>(indices.size()), GL_UNSIGNED_INT, 0);
glBindVertexArray(0);
// always good practice to set everything back to defaults once configured.
glActiveTexture(GL_TEXTURE0);
}
private:
// render data
unsigned int VBO, EBO;
// initializes all the buffer objects/arrays
void setupMesh()
{
glGenVertexArrays(1, &VAO);
glGenBuffers(1, &VBO);
glGenBuffers(1, &EBO);
glBindVertexArray(VAO);
// load data into vertex buffers
glBindBuffer(GL_ARRAY_BUFFER, VBO);
// A great thing about structs is that their memory layout is sequential for all member items
// The effect is that we can simply pass a pointer to the struct and it translates perfectly to a glm::vec3/vec2 array
// which again translates to 3/2 floats which translates to a byte array
// Except we use J3ML instead of glm, but the concept applies nonetheless
glBufferData(GL_ARRAY_BUFFER, vertices.size() * sizeof(Vertex), &vertices[0], GL_STATIC_DRAW);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, EBO);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, indices.size() * sizeof(uint), &indices[0], GL_STATIC_DRAW);
// set the vertex attribute pointers
// vertex positions
glEnableVertexAttribArray(0);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(Vertex), (void*)0);
// vertex normals
glEnableVertexAttribArray(1);
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, sizeof(Vertex), (void*)offsetof(Vertex, Normal));
// vertex texture coords
glEnableVertexAttribArray(2);
glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, sizeof(Vertex), (void*)offsetof(Vertex, TexCoords));
// vertex tangent
glEnableVertexAttribArray(3);
glVertexAttribPointer(3, 3, GL_FLOAT, GL_FALSE, sizeof(Vertex), (void*)offsetof(Vertex, Tangent));
// vertex bitangent
glEnableVertexAttribArray(4);
glVertexAttribPointer(4, 3, GL_FLOAT, GL_FALSE, sizeof(Vertex), (void*)offsetof(Vertex, BiTangent));
// ids
glEnableVertexAttribArray(5);
glVertexAttribIPointer(5, 4, GL_INT, sizeof(Vertex), (void*)offsetof(Vertex, BoneIDs));
// weights
glEnableVertexAttribArray(6);
glVertexAttribPointer(6, 4, GL_FLOAT, GL_FALSE, sizeof(Vertex), (void*)offsetof(Vertex, BoneWeights));
glBindVertexArray(0);
}
};
}

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@@ -53,7 +53,9 @@ class JGLDemoWindow : public ReWindow::RWindow
public:
LearnOpenGL::Shader shader;
JGLDemoWindow() : ReWindow::RWindow()
JGLDemoWindow() : ReWindow::RWindow() {}
JGLDemoWindow(const std::string& title, int width, int height) :
ReWindow::RWindow(title, width, height)
{
}
@@ -69,7 +71,7 @@ public:
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
//glEnable(GL_CULL_FACE);
glEnable(GL_CULL_FACE);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_TEXTURE_2D);
@@ -122,9 +124,9 @@ public:
int main(int argc, char** argv)
{
auto* window = new JGLDemoWindow();
window->init(RenderingAPI::OPENGL, "Window", 1280, 720, false);
auto* window = new JGLDemoWindow("JGL Demo Window", 1280, 720);
window->setRenderer(RenderingAPI::OPENGL);
window->Open();
window->initGL();
window->setResizable(true);
while (window->isAlive())

View File

@@ -4,9 +4,7 @@
#include <glad/glad.h>
#include <JGL/JGL.h>
#include <GL/glut.h>
#include <J3ML/LinearAlgebra/Transform2D.h>
#include <rewindow/types/window.h>
#include <freetype2/ft2build.h>
#include FT_FREETYPE_H
#include <JGL/Color3.h>