gistfile1.java

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package org.opencraft.render;

import org.lwjgl.opengl.GL11;
import org.lwjgl.util.vector.Vector3f;
import org.opencraft.Opencraft;
import org.royawesome.renderer.BatchVertexRenderer;
import org.royawesome.renderer.shader.BasicShader;
import org.royawesome.util.MatrixUtils;

/**
 *
 * @author simplyianm
 */
public class RenderEngine {
	private final Opencraft opencraft;

	private BatchVertexRenderer batcher;

	public RenderEngine(Opencraft opencraft) {
		this.opencraft = opencraft;
		batcher = BatchVertexRenderer.constructNewBatch(GL11.GL_POLYGON);
	}

	public void initialize() {
		/*
		 * Pre-Initialization
		 */

		//Enable 2D textures
		GL11.glEnable(GL11.GL_TEXTURE_2D);
		GL11.glShadeModel(GL11.GL_SMOOTH);

		//Clear stuff
		GL11.glClearDepth(1.0f);

		//Depth test
		GL11.glEnable(GL11.GL_DEPTH_TEST);
		GL11.glDepthFunc(GL11.GL_LEQUAL);

		//Alpha test
		GL11.glEnable(GL11.GL_ALPHA_TEST);
		GL11.glAlphaFunc(GL11.GL_GREATER, 0.1f);

		/*
		 * Game initialization
		 */

		//Create the screen
		GL11.glMatrixMode(GL11.GL_PROJECTION);
		GL11.glLoadIdentity();

		GL11.glOrtho(0, opencraft.getWidth(), opencraft.getHeight(), 0, -1000, 1000);

		GL11.glMatrixMode(GL11.GL_MODELVIEW);
		GL11.glLoadIdentity();

		GL11.glHint(GL11.GL_PERSPECTIVE_CORRECTION_HINT, GL11.GL_DEPTH_BUFFER_BIT);
		
		
		
		BasicShader shader = new BasicShader();

		shader.setProjectionMatrix(MatrixUtils.createPerspective(45, 4.f / 3.f, .0f, 100f));
		shader.setViewMatrix(MatrixUtils.createLookAt(new Vector3f(5, 0, 5), new Vector3f(0, 0, 0), new Vector3f(0, 1, 0)));
		//shader.SetUniform("texture", tex);
		batcher.setShader(shader);
		batcher.enableColors();
		
		batcher.begin();
		batcher.AddColor(1.0f, 0.0f, 0.0f);
		batcher.AddVertex(200, 400);


		batcher.AddColor(0.0f, 1.0f, 0.0f);
		batcher.AddVertex(200, 200);


		batcher.AddColor(0.0f, 0.0f, 1.0f);
		batcher.AddVertex(400, 200);

		batcher.AddColor(0.0f, 0.0f, 1.0f);
		batcher.AddVertex(400, 400);

		batcher.end();
	}

	public void render() {
		System.out.println("Rendering");
		
		GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
		GL11.glLoadIdentity();

		batcher.render();
	}

}