Update JGL.cpp

CMakeLists.txt

@@ -21,49 +21,38 @@ include(cmake/CPM.cmake)
 
 CPMAddPackage(
         NAME J3ML
-        URL https://git.redacted.cc/josh/j3ml/archive/Release-1.zip
+        URL https://git.redacted.cc/josh/j3ml/archive/Release-6.zip
 )
 
 CPMAddPackage(
         NAME ReWindow
-        URL https://git.redacted.cc/Redacted/ReWindow/archive/vA0.2.23.zip
+        URL https://git.redacted.cc/Redacted/ReWindow/archive/vA0.2.30.zip
 )
 
 CPMAddPackage(
         NAME GLAD
         URL https://git.redacted.cc/Redacted/glad/archive/v2.1.zip
 )
-
-
-CPMAddPackage(
-        NAME LearnOpenGL
-        URL https://git.redacted.cc/josh/LearnOpenGL/archive/Prerelease-4.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  "content/*")
+file(GLOB_RECURSE ASSETS  "assets/*")
 
 add_library(JGL SHARED ${SOURCES})
 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_include_directories(JGL PUBLIC ${LearnOpenGL_SOURCE_DIR}/include)
-target_link_libraries(JGL PUBLIC LearnOpenGL)
-
 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} ${GLUT_LIBRARIES} J3ML ReWindowLibrary GLEW glad)
+target_link_libraries(JGL_Demo PUBLIC JGL ${OPENGL_LIBRARIES} J3ML ReWindowLibrary glad)

main.cpp

@@ -1,9 +1,6 @@
-//#include <GL/glew.h>
 #include <glad/glad.h>
 #include <JGL/JGL.h>
 #include <rewindow/types/window.h>
-#include <iostream>
-#include <LearnOpenGL/Shader.h>
 #include <JGL/Colors.h>
 #include <J3ML/LinearAlgebra/Vector2.h>
 
@@ -23,21 +20,6 @@ struct Character
 
 std::map<char, Character> Characters;
 GLuint VAO, VBO;
-const std::string vertexShader = "attribute vec4 coord;\n"
-                                 "varying vec2 texpos;\n"
-                                 "\n"
-                                 "void main(void) {\n"
-                                 "  gl_Position = vec4(coord.xy, 0, 1);\n"
-                                 "  texpos = coord.zw;\n"
-                                 "}\n"
-                                 "";
-const std::string fragmentShader = "varying vec2 texpos;\n"
-                                   "uniform sampler2D tex;\n"
-                                   "uniform vec4 color;\n"
-                                   "\n"
-                                   "void main(void) {\n"
-                                   "  gl_FragColor = vec4(1, 1, 1, texture2D(tex, texpos).a) * color;\n"
-                                   "}";
 
 using J3ML::LinearAlgebra::Matrix4x4;
 
@@ -51,7 +33,6 @@ struct point {
 class JGLDemoWindow : public ReWindow::RWindow
 {
 public:
-    LearnOpenGL::Shader shader;
 
     JGLDemoWindow() : ReWindow::RWindow() {}
     JGLDemoWindow(const std::string& title, int width, int height) :
@@ -101,7 +82,7 @@ public:
         JGL::J2D::FillTriangle2D(JGL::Colors::Yellow, tri);
 
 
-        JGL::J3D::DrawString3D(JGL::Colors::White, "JGL Sample Text", {1, -120, 0.5f}, 2.f);
+        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);
 
         JGL::J2D::DrawLine2D(JGL::Colors::Greens::DarkGreen, {10, 10}, {200, 300});

src/JGL/JGL.cpp

@@ -4,7 +4,6 @@
 
 #include <glad/glad.h>
 #include <JGL/JGL.h>
-#include <J3ML/LinearAlgebra/Transform2D.h>
 #include <freetype2/ft2build.h>
 #include FT_FREETYPE_H
 #include <JGL/Color3.h>
@@ -12,7 +11,6 @@
 
 
 GLuint program;
-GLuint texture;
 
 namespace JGL
 {
@@ -29,7 +27,7 @@ namespace JGL
             return false;
         }
 
-        if (FT_New_Face(ft, "content/FreeSans.ttf", 0, &face))
+        if (FT_New_Face(ft, "assets/fonts/FreeSans.ttf", 0, &face))
         {
             std::cout << "Error::FREETYPE: Failed to load font!" << std::endl;
             return false;
@@ -153,17 +151,17 @@ namespace JGL
 
             FT_Set_Pixel_Sizes(face, 0, size);
 
-            const char* c;
-            for (c = text.c_str(); *c; c++)
+            GLuint textures[text.size()];
+            for (int i = 0; i < text.length(); i++)
             {
-                if (FT_Load_Char(face, *c, FT_LOAD_RENDER))
+                if (FT_Load_Char(face, text.c_str()[i], FT_LOAD_RENDER))
                     continue;
 
                 FT_GlyphSlot g = face->glyph;
 
                 glActiveTexture(GL_TEXTURE0);
-                glGenTextures(1, &texture);
-                glBindTexture(GL_TEXTURE_2D, texture);
+                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);
@@ -201,8 +199,9 @@ namespace JGL
 
                 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
         }
     }
@@ -212,7 +211,6 @@ namespace JGL
     {
         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);
@@ -226,22 +224,27 @@ namespace JGL
             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.
-            glColor3f(1.0f, 1.0f, 1.0f);
+            glColor4f(color.r, color.g, color.b, 1.0f);
 
             FT_Set_Pixel_Sizes(face, 0, size);
 
-            const char* c;
-            for (c = text.c_str(); *c; c++)
+            //for (c = text.c_str(); *c; c++)
+            for (int i = 0; i < text.length(); i++)
             {
-                if (FT_Load_Char(face, *c, FT_LOAD_RENDER))
+                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);
-                glGenTextures(1, &texture);
-                glBindTexture(GL_TEXTURE_2D, texture);
+                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);
@@ -282,7 +285,13 @@ namespace JGL
                 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.
         }
 
     }