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() {}

    }
}