Dave Hoover
bc7fd397fb
git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@1034 ed5b42cb-e716-0410-a449-f6a68f950b19
96 lines
3.3 KiB
Java
96 lines
3.3 KiB
Java
//
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// $Id$
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//
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// Nenya library - tools for developing networked games
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// Copyright (C) 2002-2010 Three Rings Design, Inc., All Rights Reserved
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// http://code.google.com/p/nenya/
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//
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// This library is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License as published
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// by the Free Software Foundation; either version 2.1 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package com.threerings.jme.model;
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import java.util.HashMap;
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import com.google.common.collect.Maps;
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import com.jme.image.Texture;
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import com.jme.scene.state.RenderState;
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import com.jme.scene.state.TextureState;
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import com.jme.system.DisplaySystem;
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import com.threerings.jme.util.SpatialVisitor;
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/**
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* Base class for controllers that affect a model's textures.
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*/
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public abstract class TextureController extends ModelController
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{
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@Override
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public void resolveTextures (TextureProvider tprov)
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{
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// reinitialize the cloned textures if we re-resolve
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super.resolveTextures(tprov);
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_textures = null;
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}
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// documentation inherited
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public void update (float time)
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{
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// initialize the textures before the first update
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if (_textures == null) {
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initTextures();
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}
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}
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/**
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* Performs any per-instance initialization required for textures.
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*/
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protected void initTextures ()
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{
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// find and clone all textures under the target
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final HashMap<Texture, Texture> clones = Maps.newHashMap();
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new SpatialVisitor<ModelMesh>(ModelMesh.class) {
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protected void visit (ModelMesh mesh) {
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TextureState otstate = (TextureState)mesh.getRenderState(RenderState.RS_TEXTURE);
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if (otstate == null) {
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return;
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}
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TextureState ntstate =
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DisplaySystem.getDisplaySystem().getRenderer().createTextureState();
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for (int ii = 0, nn = otstate.getNumberOfSetTextures(); ii < nn; ii++) {
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Texture tex = otstate.getTexture(ii), ctex = clones.get(tex);
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if (ctex == null) {
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if (tex.getTextureId() == 0) {
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otstate.apply(); // load before cloning
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}
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clones.put(tex, ctex = tex.createSimpleClone());
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}
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ntstate.setTexture(ctex, ii);
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}
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mesh.setRenderState(ntstate);
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}
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}.traverse(_target);
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_target.updateRenderState();
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// remember them for updates
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_textures = clones.values().toArray(new Texture[0]);
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}
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/** The cloned textures to manipulate. */
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protected transient Texture[] _textures;
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private static final long serialVersionUID = 1;
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}
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