* Made all placeholder assets loaded have correct asset keys (based on the key that was used to load them)

* Also made the placeholder texture use repeat mode if the original was supposed to use it 

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@10207 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/core-plugins/com/jme3/material/plugins/J3MLoader.java

@@ -159,6 +159,10 @@ public class J3MLoader implements AssetLoader {
                 }
             }else{
                 tex = new Texture2D(PlaceholderAssets.getPlaceholderImage());
+                if (repeat){
+                    tex.setWrap(WrapMode.Repeat);
+                }
+                tex.setKey(texKey);
             }
             return tex;
         }else{

engine/src/core-plugins/com/jme3/scene/plugins/MTLLoader.java

@@ -183,6 +183,8 @@ public class MTLLoader implements AssetLoader {
         } catch (AssetNotFoundException ex){
             logger.log(Level.WARNING, "Cannot locate {0} for material {1}", new Object[]{texKey, key});
             texture = new Texture2D(PlaceholderAssets.getPlaceholderImage());
+            texture.setWrap(WrapMode.Repeat);
+            texture.setKey(key);
         }
         return texture;
     }

engine/src/ogre/com/jme3/scene/plugins/ogre/MeshLoader.java

@@ -233,6 +233,7 @@ public class MeshLoader extends DefaultHandler implements AssetLoader {
         if (mat == null) {
             logger.log(Level.WARNING, "Cannot locate {0} for model {1}", new Object[]{matName, key});
             mat = PlaceholderAssets.getPlaceholderMaterial(assetManager);
+            mat.setKey(key);
         }
 
         if (mat.isTransparent()) {

engine/src/ogre/com/jme3/scene/plugins/ogre/SceneLoader.java

@@ -305,7 +305,9 @@ public class SceneLoader extends DefaultHandler implements AssetLoader {
             if (ex.getMessage().equals(meshFile)) {
                 logger.log(Level.WARNING, "Cannot locate {0} for scene {1}", new Object[]{meshKey, key});
                 // Attach placeholder asset.
-                entityNode.attachChild(PlaceholderAssets.getPlaceholderModel(assetManager));
+                Spatial model = PlaceholderAssets.getPlaceholderModel(assetManager);
+                model.setKey(key);
+                entityNode.attachChild(model);
             } else {
                 throw ex;
             }

engine/src/ogre/com/jme3/scene/plugins/ogre/matext/MaterialExtensionLoader.java

@@ -83,6 +83,8 @@ public class MaterialExtensionLoader {
             } catch (AssetNotFoundException ex){
                 logger.log(Level.WARNING, "Cannot locate {0} for material {1}", new Object[]{texKey, key});
                 tex = new Texture2D( PlaceholderAssets.getPlaceholderImage() );
+                tex.setWrap(WrapMode.Repeat);
+                tex.setKey(texKey);
             }
             
             material.setTexture(jmeParamName, tex);