basic textures

src/engine/textures.cpp

@@ -0,0 +1,42 @@
+#define GL_GLEXT_PROTOTYPES
+#include "engine/textures.hpp"
+#include <SDL3_image/SDL_image.h>
+
+// Texture Class Constructor
+Texture::Texture(const char* filePath) {
+    glGenTextures(1, &textureID);
+    glBindTexture(GL_TEXTURE_2D, textureID);
+
+    // Load texture image
+    SDL_Surface* image = IMG_Load(filePath);
+    if (!image) {
+        SDL_Log("Failed to load texture image.");
+        return;
+    }
+
+    // Flip the image vertically
+    SDL_FlipSurface(image, SDL_FLIP_VERTICAL);
+
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+    // Determine the format
+    GLenum format = (image->format == SDL_PIXELFORMAT_RGBA32) ? GL_RGBA : GL_RGB;
+    glTexImage2D(GL_TEXTURE_2D, 0, format, image->w, image->h, 0, format, GL_UNSIGNED_BYTE, image->pixels);
+    glGenerateMipmap(GL_TEXTURE_2D);
+
+    SDL_DestroySurface(image);
+}
+
+// Texture Class Destructor
+Texture::~Texture() {
+    glDeleteTextures(1, &textureID);
+}
+
+// Bind Texture Method
+void Texture::bind(GLenum textureUnit) const {
+    glActiveTexture(textureUnit);
+    glBindTexture(GL_TEXTURE_2D, textureID);
+}

src/main.cpp

@@ -7,10 +7,11 @@ int main(int argc, char* argv[]) {
     if (!window.isRunning()) { return -1; }
     OpenGLContext glContext(window);
     if (!glContext.isInitialized()) { return -1; }
+    glEnable(GL_DEPTH_TEST); 
 
     Camera camera(
-        glm::vec3(2.0f, 1.0f, 3.0f), // Position
-        glm::vec3(0.0f, 0.0f, 0.0f), // Target
+        glm::vec3(3.0f, 4.0f, 6.0f), // Position
+        glm::vec3(0.0f, 1.0f, 0.0f), // Target
         glm::vec3(0.0f, 1.0f, 0.0f)  // Up vector
     );
 
@@ -23,7 +24,7 @@ int main(int argc, char* argv[]) {
 
     Shader shader_program("shaders/triangle.vert", "shaders/triangle.frag");
 
-    OBJLoader objLoader("assets/models/suzanne.obj");
+    OBJLoader objLoader("assets/models/Sci-fi_Container_Game.obj");
     if (!objLoader.isLoaded()) {
         SDL_Log("Failed to load OBJ model.");
         return -1;
@@ -36,8 +37,8 @@ int main(int argc, char* argv[]) {
     VAO.setAttributePointer(1, 3, GL_FLOAT, false, 8 * sizeof(float), 3 * sizeof(float)); // normal
     VAO.setAttributePointer(2, 2, GL_FLOAT, false, 8 * sizeof(float), 6 * sizeof(float)); // texCoord
 
-    // Wireframe mode
-    glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+    Texture texture("assets/textures/Sci-fi_Container_Base_Color.png");
+    texture.bind(GL_TEXTURE0);
 
     window.setPosition(SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED);
     window.showWindow();