package com.androidgames.gl3d.tests;

import javax.microedition.khronos.opengles.GL10;

import android.opengl.GLU;

import com.androidgames.framework.Game;
import com.androidgames.framework.Screen;
import com.androidgames.framework.gl.Texture;
import com.androidgames.framework.gl.Vertices3;
import com.androidgames.framework.impl.GLGame;
import com.androidgames.framework.impl.GLScreen;

public class CubeTest extends GLGame {
	
	public Screen getStartScreen() {
		return new CubeScreen(this);
	}
	
	class CubeScreen extends GLScreen {
		
		Vertices3 cube;
		Texture texture;
		float angle = 0;

		public CubeScreen(Game game) {
			super(game);
			cube = createCube();
			texture = new Texture(glGame, "sprites.png");
		}
		
		private Vertices3 createCube() {
			float[] vertices = {
				-0.5F, -0.5F, 0.5F,    0.5F, 1,
				 0.5F, -0.5F, 0.5F,    1,    1,
				 0.5F,  0.5F, 0.5F,    1,    0.5F,
				-0.5F,  0.5F, 0.5F,    0.5F, 0.5F,
				
				0.5F, -0.5F,  0.5F,    0.5F, 1,
				0.5F, -0.5F, -0.5F,    1,    1,
				0.5F,  0.5F, -0.5F,    1,    0.5F,
				0.5F,  0.5F,  0.5F,    0.5F, 0.5F,
				
				 0.5F, -0.5F, -0.5F,    0.5F, 1,
				-0.5F, -0.5F, -0.5F,    1,    1,
				-0.5F,  0.5F, -0.5F,    1,    0.5F,
				 0.5F,  0.5F, -0.5F,    0.5F, 0.5F,
				
				-0.5F, -0.5F, -0.5F,    0.5F, 1,
				-0.5F, -0.5F,  0.5F,    1,    1,
				-0.5F,  0.5F,  0.5F,    1,    0.5F,
				-0.5F,  0.5F, -0.5F,    0.5F, 0.5F,
				
				-0.5F, 0.5F,  0.5F,    0.5F, 1,
				 0.5F, 0.5F,  0.5F,    1,    1,
				 0.5F, 0.5F, -0.5F,    1,    0.5F,
				-0.5F, 0.5F, -0.5F,    0.5F, 0.5F,
				
				-0.5F, -0.5F,  0.5F,    0.5F, 1,
				 0.5F, -0.5F,  0.5F,    1,    1,
				 0.5F, -0.5F, -0.5F,    1,    0.5F,
				-0.5F, -0.5F, -0.5F,    0.5F, 0.5F
			};
			
			short[] indices = {
				0,   1,  3, 1,   2,  3,
				4,   5,  7, 5,   6,  7,
				8,   9, 11, 9,  10, 11,
				12, 13, 15, 13, 14, 15,
				16, 17, 19, 17, 18, 19,
				20, 21, 23, 21, 22, 21
			};
			
			Vertices3 cube = new Vertices3(glGraphics, 24, 36, false, true);
			cube.setVertices(vertices, 0, vertices.length);
			cube.setIndices(indices, 0, indices.length);
			
			return cube;
		}

		@Override
		public void update(float deltaTime) {
			angle += 45 * deltaTime;
		}

		@Override
		public void present(float deltaTime) {
			GL10 gl = glGraphics.getGL();
			
			gl.glViewport(0, 0, glGraphics.getWidth(), glGraphics.getHeight());
			gl.glClear(GL10.GL_COLOR_BUFFER_BIT | GL10.GL_DEPTH_BUFFER_BIT);
			
			gl.glMatrixMode(GL10.GL_PROJECTION);
			gl.glLoadIdentity();
			GLU.gluPerspective(gl, 67, glGraphics.getWidth() / (float) glGraphics.getHeight(), 0.1F, 10.0F);
			
			gl.glMatrixMode(GL10.GL_MODELVIEW);
			gl.glLoadIdentity();
			
			//gl.glTranslatef(0, -1, 0);
			//gl.glRotatef(20, 1, 0, 0);
			
			gl.glEnable(GL10.GL_DEPTH_TEST);
			gl.glEnable(GL10.GL_TEXTURE_2D);
			
			texture.bind();
			
			cube.bind();
			gl.glTranslatef(0, 0, -3);
			gl.glRotatef(angle, 0, 1, 0);
			cube.draw(GL10.GL_TRIANGLES, 0, 36);
			cube.unbind();
			
			gl.glDisable(GL10.GL_TEXTURE_2D);
			gl.glDisable(GL10.GL_DEPTH_TEST);
		}

		@Override
		public void pause() {}

		@Override
		public void resume() {
			texture.reload();
		}

		@Override
		public void dispose() {}
		
	}
}