cn.liutils.api.draw.DrawObjectList.java Source code

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Here is the source code for cn.liutils.api.draw.DrawObjectList.java

Source

/**
 * Copyright (c) Lambda Innovation, 2013-2015
 * ??Lambda Innovation
 * http://www.li-dev.cn/
 *
 * This project is open-source, and it is distributed under 
 * the terms of GNU General Public License. You can modify
 * and distribute freely as long as you follow the license.
 * ??GNU???
 * ????
 * http://www.gnu.org/licenses/gpl.html
 */
package cn.liutils.api.draw;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;

import org.lwjgl.opengl.GL11;

/**
 * delegate events to a subset of DrawObjects.
 * This enables us to set the DrawObject generic properties at once, and then do the seperate rendering.
 * @author WeathFolD
 */
public class DrawObjectList extends DrawObject {

    List<DrawObject> objs = new ArrayList<DrawObject>();

    public DrawObjectList() {
    }

    public DrawObjectList(Collection<? extends DrawHandler> handlers) {
        super(handlers);
    }

    public DrawObjectList(DrawObject... dos) {
        objs.addAll(Arrays.asList(dos));
    }

    public DrawObjectList(Collection<? extends DrawHandler> handlers, DrawObject... dos) {
        super(handlers);
        objs.addAll(Arrays.asList(dos));
    }

    @Override
    public void draw() {
        postAll(EventType.PRE_DRAW);
        GL11.glMatrixMode(GL11.GL_MODELVIEW);
        GL11.glPushMatrix();
        {
            postAll(EventType.PRE_TRANSFORM);
            postAll(EventType.POST_TRANSFORM);
            postAll(EventType.PRE_TESS);
            postAll(EventType.DO_TESS);
            postAll(EventType.POST_TESS);
        }
        GL11.glPopMatrix();
        postAll(EventType.POST_DRAW);
    }

    private void postAll(EventType event) {
        super.post(event);
        for (DrawObject dd : objs) {
            dd.post(event);
        }
    }

}