AvaRender.java

/*
 *  This file is part of the Haven & Hearth game client.
 *  Copyright (C) 2009 Fredrik Tolf <fredrik@dolda2000.com>, and
 *                     Björn Johannessen <johannessen.bjorn@gmail.com>
 *
 *  Redistribution and/or modification of this file is subject to the
 *  terms of the GNU Lesser General Public License, version 3, as
 *  published by the Free Software Foundation.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  Other parts of this source tree adhere to other copying
 *  rights. Please see the file `COPYING' in the root directory of the
 *  source tree for details.
 *
 *  A copy the GNU Lesser General Public License is distributed along
 *  with the source tree of which this file is a part in the file
 *  `doc/LPGL-3'. If it is missing for any reason, please see the Free
 *  Software Foundation's website at <http://www.fsf.org/>, or write
 *  to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 *  Boston, MA 02111-1307 USA
 */

package haven;

import static haven.Resource.imgc;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import javax.media.opengl.GL;

public class AvaRender extends TexRT {
	List<Indir<Resource>> layers;
	List<Resource.Image> images;
	boolean loading;
	public static final Coord sz = new Coord(212, 249);

	public AvaRender(List<Indir<Resource>> layers) {
		super(sz);
		setlay(layers);
	}

	public void setlay(List<Indir<Resource>> layers) {
		Collections.sort(layers);
		this.layers = layers;
		loading = true;
	}

	public boolean subrend(GOut g) {
		if (!loading)
			return (false);

		List<Resource.Image> images = new ArrayList<Resource.Image>();
		loading = false;
		for (Indir<Resource> r : layers) {
			if (r.get() == null)
				loading = true;
			else
				images.addAll(r.get().layers(imgc));
		}
		Collections.sort(images);
		if (images.equals(this.images))
			return (false);
		this.images = images;

		g.gl.glClearColor(255, 255, 255, 0);
		g.gl.glClear(GL.GL_COLOR_BUFFER_BIT);
		for (Resource.Image i : images)
			g.image(i.tex(), i.o);
		return (true);
	}
}