Avaview.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 java.awt.Color;
import java.util.*;

public class Avaview extends PView {
    public static final Tex missing = Resource.loadtex("gfx/hud/equip/missing");
    public static final Coord dasz = missing.sz();
    public long avagob;
    private Composited comp;
    private List<Composited.MD> cmod = null;
    private List<Composited.ED> cequ = null;
    private final String camnm;
	
    public Avaview(Coord c, Coord sz, Widget parent, long avagob, String camnm) {
	super(c, sz, parent);
	this.camnm = camnm;
	this.avagob = avagob;
    }
    
    private boolean missed = false;
    private Camera cam = null;

    private Composite getgcomp() {
	Gob gob = ui.sess.glob.oc.getgob(avagob);
	if(gob == null)
	    return(null);
	Drawable d = gob.getattr(Drawable.class);
	if(!(d instanceof Composite))
	    return(null);
	Composite gc = (Composite)d;
	if(gc.comp == null)
	    return(null);
	return(gc);
    }

    private void initcomp(Composite gc) {
	if((comp == null) || (comp.skel != gc.comp.skel))
	    comp = new Composited(gc.comp.skel);
    }

    private Camera makecam(Composite gc, String camnm) {
	if(comp == null)
	    throw(new Loading());
	Skeleton.BoneOffset bo = gc.base.get().layer(Skeleton.BoneOffset.class, camnm);
	if(bo == null)
	    throw(new Loading());
	GLState.Buffer buf = new GLState.Buffer(null);
	bo.forpose(comp.pose).prep(buf);
	return(new LocationCam(buf.get(PView.loc)));
    }

    private Composite lgc = null;
    protected Camera camera() {
	Composite gc = getgcomp();
	if(gc == null)
	    throw(new Loading());
	initcomp(gc);
	if((cam == null) || (gc != lgc))
	    cam = makecam(lgc = gc, camnm);
	return(cam);
    }

    protected void setup(RenderList rl) {
	Composite gc = getgcomp();
	if(gc == null) {
	    missed = true;
	    return;
	}
	initcomp(gc);
	if(gc.comp.cmod != this.cmod)
	    comp.chmod(this.cmod = gc.comp.cmod);
	if(gc.comp.cequ != this.cequ)
	    comp.chequ(this.cequ = gc.comp.cequ);
	rl.add(comp, null);
	rl.add(new DirLight(Color.WHITE, Color.WHITE, Color.WHITE, new Coord3f(1, 1, 1).norm()), null);
    }
    
    public void tick(double dt) {
	if(comp != null)
	    comp.tick((int)(dt * 1000));
    }

    public void draw(GOut g) {
	/*
	g.chcolor(Color.BLACK);
	g.frect(Coord.z, sz);
	g.chcolor();
	*/
	missed = false;
	try {
	    super.draw(g);
	} catch(Loading e) {
	    missed = true;
	}
	if(missed)
	    g.image(missing, Coord.z, sz);
    }
}