Add Game Engine Main File

src/globalgamejam/render/Texture.java

@@ -0,0 +1,96 @@
+package globalgamejam.render;
+import static org.lwjgl.opengl.GL11.*;
+import static org.lwjgl.opengl.GL12.*;
+
+import java.awt.image.*;
+import java.io.*;
+import java.nio.*;
+
+import javax.imageio.*;
+
+import org.lwjgl.*;
+
+/**
+ * Class created by MrDev023 (Florian RICHER) on 14/01/2017
+ */
+public class Texture {
+
+	int width, height;
+	int id;
+	
+	public Texture(int width,int height,int id){
+		this.id = id;
+		this.width = width;
+		this.height = height;
+	}
+	
+	public static Texture loadTexture(String path){
+		try {
+			BufferedImage image = ImageIO.read(new File(path));
+			int width = image.getWidth();
+			int height = image.getHeight();
+			int[] pixels = new int[width * height];
+			
+			image.getRGB(0, 0, width, height, pixels, 0,width);
+			
+			int[] data = new int[pixels.length];
+			for (int i = 0; i < data.length; i++) {
+				int a = (pixels[i] & 0xff000000) >> 24;
+				int r = (pixels[i] & 0xff0000) >> 16;
+				int g = (pixels[i] & 0xff00) >> 8;
+				int b = (pixels[i] & 0xff);
+				
+				data[i] = a << 24 | b << 16 | g << 8 | r;
+			}
+			
+			IntBuffer buffer = BufferUtils.createIntBuffer(data.length);
+			buffer.put(data);
+			buffer.flip();
+			
+			int id = glGenTextures();
+			glBindTexture(GL_TEXTURE_2D, 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_NEAREST);
+			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+			
+			glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
+			
+			glBindTexture(GL_TEXTURE_2D, 0);
+			
+			System.out.println("Texture loaded ! " + width + "x" + height + " id:" + id);
+			
+			return new Texture(width, height, id);
+		} catch (IOException e) {
+			e.printStackTrace();
+			return null;
+		}
+	}
+
+	public int getWidth() {
+		return width;
+	}
+
+	public int getHeight() {
+		return height;
+	}
+
+	public int getID(){
+		return id;
+	}
+	
+	public void bind(){
+		glBindTexture(GL_TEXTURE_2D, id);
+	}
+	
+	public void unbind(){
+		glBindTexture(GL_TEXTURE_2D, 0);
+	}
+	
+	public void destroy(){
+		glDeleteTextures(id);
+	}
+	
+}