Updates for emission handling.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@4050 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/jme/model/EmissionController.java

@@ -0,0 +1,62 @@
+//
+// $Id$
+//
+// Narya library - tools for developing networked games
+// Copyright (C) 2002-2005 Three Rings Design, Inc., All Rights Reserved
+// http://www.threerings.net/code/narya/
+//
+// This library is free software; you can redistribute it and/or modify it
+// under the terms of the GNU Lesser General Public License as published
+// by the Free Software Foundation; either version 2.1 of the License, or
+// (at your option) any later version.
+//
+// This library 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
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+package com.threerings.jme.model;
+
+import com.jme.math.Vector3f;
+import com.jme.scene.Geometry;
+import com.jme.scene.Spatial;
+import com.jme.util.geom.BufferUtils;
+
+/**
+ * A model controller whose target represents an emitter.
+ */
+public abstract class EmissionController extends ModelController
+{
+    @Override // documentation inherited
+    public void init (Model model)
+    {
+        super.init(model);
+        _target.setCullMode(Spatial.CULL_ALWAYS);
+    }
+    
+    /**
+     * Determines the current location of the emitter in world coordinates.
+     */
+    protected void getEmitterLocation (Vector3f result)
+    {
+        result.set(_target.getWorldBound().getCenter());
+    }
+    
+    /**
+     * Determines the current direction of the emitter in world coordinates.
+     */
+    protected void getEmitterDirection (Vector3f result)
+    {
+        if (_target instanceof Geometry) {
+            BufferUtils.populateFromBuffer(result,
+                ((Geometry)_target).getNormalBuffer(), 0);
+        } else {
+            result.set(0f, -1f, 0f);
+        }
+        _target.getWorldRotation().multLocal(result);
+    }
+}

src/java/com/threerings/jme/model/Model.java

@@ -455,6 +455,17 @@ public class Model extends ModelNode
         }
     }
 
+    @Override // documentation inherited
+    public void resolveTextures (TextureProvider tprov)
+    {
+        super.resolveTextures(tprov);
+        for (Object ctrl : getControllers()) {
+            if (ctrl instanceof ModelController) {
+                ((ModelController)ctrl).resolveTextures(tprov);
+            }
+        }
+    }
+    
     /**
      * Creates and returns a new instance of this model.
      */    

src/java/com/threerings/jme/model/ModelController.java

@@ -59,6 +59,13 @@ public abstract class ModelController extends Controller
         Collections.addAll(_animations, anims);
     }
     
+    /**
+     * Resolves any textures required by the controller.
+     */
+    public void resolveTextures (TextureProvider tprov)
+    {
+    }
+    
     /**
      * Initializes this controller.
      */

src/java/com/threerings/jme/model/TextureProvider.java

@@ -30,6 +30,10 @@ public interface TextureProvider
 {
     /**
      * Returns a texture state containing the named texture.
+     *
+     * @param name the name of the texture, which will be interpreted as an
+     * absolute resource path if it starts with a forward slash; otherwise,
+     * as a relative resource path
      */
     public TextureState getTexture (String name);
 }

src/java/com/threerings/jme/tools/ModelViewer.java

@@ -77,6 +77,7 @@ import com.samskivert.swing.GroupLayout;
 import com.samskivert.swing.Spacer;
 import com.samskivert.util.Config;
 
+import com.threerings.resource.ResourceManager;
 import com.threerings.util.MessageBundle;
 import com.threerings.util.MessageManager;
 
@@ -107,6 +108,7 @@ public class ModelViewer extends JmeCanvasApp
     public ModelViewer (String path)
     {
         super(1024, 768);
+        _rsrcmgr = new ResourceManager("rsrc");
         _msg = new MessageManager("rsrc.i18n").getBundle("jme.viewer");
         _path = path;
         
@@ -367,7 +369,12 @@ public class ModelViewer extends JmeCanvasApp
             public TextureState getTexture (String name) {
                 TextureState tstate = _tstates.get(name);
                 if (tstate == null) {
-                    File file = new File(dir, name);
+                    File file;
+                    if (name.startsWith("/")) {
+                        file = _rsrcmgr.getResourceFile(name.substring(1));
+                    } else {
+                        file = new File(dir, name);
+                    }
                     Texture tex = TextureManager.loadTexture(file.toString(),
                         Texture.MM_LINEAR_LINEAR, Texture.FM_LINEAR);
                     if (tex == null) {
@@ -408,6 +415,9 @@ public class ModelViewer extends JmeCanvasApp
             FastMath.pow(2f, _animspeed.getValue() / 50f));
     }
     
+    /** The resource manager. */
+    protected ResourceManager _rsrcmgr;
+    
     /** The translation bundle. */
     protected MessageBundle _msg;