br.com.perin.renderEngine.Renderer.java Source code

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Here is the source code for br.com.perin.renderEngine.Renderer.java

Source

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package br.com.perin.renderEngine;

import br.com.perin.models.RawModel;
import br.com.perin.models.TexturedModel;
import org.lwjgl.opengl.GL11;
import org.lwjgl.opengl.GL13;
import org.lwjgl.opengl.GL20;
import org.lwjgl.opengl.GL30;

/**
 *
 * @author Joaov
 */
public class Renderer implements Singleton {

    /** Instance */
    private static Renderer instance;

    private Renderer() {

    }

    public void prepare() {
        GL11.glClear(GL11.GL_COLOR_BUFFER_BIT);
        GL11.glClearColor(1, 0, 0, 1);
    }

    public void render(RawModel model) {
        GL30.glBindVertexArray(model.getVaoId());
        GL20.glEnableVertexAttribArray(0);
        GL11.glDrawElements(GL11.GL_TRIANGLES, model.getVertexCount(), GL11.GL_UNSIGNED_INT, 0);
        GL20.glDisableVertexAttribArray(0);
        GL30.glBindVertexArray(0);
    }

    public void render(TexturedModel model) {
        RawModel raw = model.getRawModel();
        GL30.glBindVertexArray(raw.getVaoId());
        GL20.glEnableVertexAttribArray(0);
        GL20.glEnableVertexAttribArray(1);
        GL13.glActiveTexture(GL13.GL_TEXTURE0);
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, model.getTexture().getId());
        // Essa linha est com problemas.
        GL11.glDrawElements(GL11.GL_TRIANGLES, raw.getVertexCount(), GL11.GL_UNSIGNED_INT, 0);
        GL20.glDisableVertexAttribArray(0);
        GL20.glDisableVertexAttribArray(1);
        GL30.glBindVertexArray(0);
    }

    @Override
    public void instantiate() {
        if (instance == null) {
            instance = new Renderer();
        }
    }

    public static Renderer get() {
        if (instance == null) {
            instance = new Renderer();
        }
        return instance;
    }

}