loading new image data into a texture

additional ImageAsset property

imageAsset.h

@@ -5,15 +5,16 @@
 
 namespace vb01{
 		struct ImageAsset : public Asset{
-				ImageAsset(std::string path, u8 *image, int width, int height){
+				ImageAsset(std::string path, u8 *image, int width, int height, int numChannels){
 						this->path = path;
 						this->image = image;
 						this->width = width;
 						this->height = height;
+						this->numChannels = numChannels;
 				}
 
 				u8 *image;
-				int width, height;
+				int width, height, numChannels;
 		};
 }
 

imageReader.cpp

@@ -18,6 +18,6 @@ namespace vb01{
 			stbi_set_flip_vertically_on_load(flip);
 			int width, height, numChannels;
 			u8 *data = stbi_load(path.c_str(), &width, &height, &numChannels, 0);
-			return new ImageAsset(path, data, width, height);
+			return new ImageAsset(path, data, width, height, numChannels);
 		}
 }

texture.cpp

@@ -60,6 +60,16 @@ namespace vb01{
 			}
 	}
 
+	void Texture::loadImageData(ImageAsset *asset, int i){
+		width = asset->width;
+		height = asset->height;
+
+		glGenTextures(1, &texture[i]);
+		glBindTexture(GL_TEXTURE_2D, texture[i]);
+		glTexImage2D(GL_TEXTURE_2D, 0, png ? GL_RGBA : GL_RGB, width, height, 0, png ? GL_RGBA : GL_RGB, GL_UNSIGNED_BYTE, asset->image);
+		glGenerateMipmap(GL_TEXTURE_2D);
+	}
+
 	void Texture::create2DTexture(bool flip){
 		mixRatio = .1;
 
@@ -69,19 +79,12 @@ namespace vb01{
 			if(paths[i].substr(length - 4, string::npos) == ".png")
 				png = true;
 
-			glGenTextures(1, &texture[i]);
-			glBindTexture(GL_TEXTURE_2D, texture[i]);
+			loadImageData((ImageAsset*)AssetManager::getSingleton()->getAsset(paths[i]));
+
 			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);
-
-			ImageAsset *asset = (ImageAsset*)AssetManager::getSingleton()->getAsset(paths[i]);
-			width = asset->width;
-			height = asset->height;
-
-			glTexImage2D(GL_TEXTURE_2D, 0, png ? GL_RGBA : GL_RGB, width, height, 0, png ? GL_RGBA : GL_RGB, GL_UNSIGNED_BYTE, asset->image);
-			glGenerateMipmap(GL_TEXTURE_2D);
 		}
 	}
 

texture.h

@@ -10,6 +10,8 @@
 #include FT_FREETYPE_H
 
 namespace vb01{
+	struct ImageAsset;
+
 	class Texture : public Animatable{
 		public:
 			~Texture();
@@ -20,6 +22,7 @@ namespace vb01{
 			void select(int = 0, int = 0);
 			void update(int = 0);
 			void animate(float, KeyframeChannel);
+			void loadImageData(ImageAsset*, int = 0);
 			inline u32* getTexture(int i = 0){return &(texture[i]);}
 			inline std::string* getPath(){return paths;}
 			inline int getNumFrames(){return numFrames;}