* Ogre3D models exported from blender2ogre / Blender 2.63 now work by avoiding submeshname DTD violation

* Small grammer fix in FileLocator exception

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@9441 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/core-plugins/com/jme3/asset/plugins/FileLocator.java

@@ -51,7 +51,7 @@ public class FileLocator implements AssetLocator {
         try {
             root = new File(rootPath).getCanonicalFile();
             if (!root.isDirectory()){
-                throw new IllegalArgumentException("Given root path \"" + root + "\" not a directory");
+                throw new IllegalArgumentException("Given root path \"" + root + "\" is not a directory");
             }
         } catch (IOException ex) {
             throw new AssetLoadException("Root path is invalid", ex);

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

@@ -101,6 +101,7 @@ public class MeshLoader extends DefaultHandler implements AssetLoader {
     private int vertCount;
     private boolean usesSharedVerts;
     private boolean usesBigIndices;
+    private boolean submeshNamesHack;
     // Global data
     private Mesh sharedMesh;
     private int meshIndex = 0;
@@ -138,6 +139,7 @@ public class MeshLoader extends DefaultHandler implements AssetLoader {
         animData = null;
 
         actuallyHasWeights = false;
+        submeshNamesHack = false;
         indicesData = null;
         weightsFloatData = null;
     }
@@ -649,10 +651,15 @@ public class MeshLoader extends DefaultHandler implements AssetLoader {
         } else if (qName.equals("boneassignments")) {
             startBoneAssigns();
         } else if (qName.equals("submesh")) {
-            startSubMesh(attribs.getValue("material"),
-                    attribs.getValue("usesharedvertices"),
-                    attribs.getValue("use32bitindexes"),
-                    attribs.getValue("operationtype"));
+            if (submeshNamesHack) {
+                // Hack for blender2ogre only
+                startSubmeshName(attribs.getValue("index"), attribs.getValue("name"));
+            } else {
+                startSubMesh(attribs.getValue("material"),
+                        attribs.getValue("usesharedvertices"),
+                        attribs.getValue("use32bitindexes"),
+                        attribs.getValue("operationtype"));
+            }
         } else if (qName.equals("sharedgeometry")) {
             String count = attribs.getValue("vertexcount");
             if (count == null) {
@@ -668,6 +675,9 @@ public class MeshLoader extends DefaultHandler implements AssetLoader {
             startSkeleton(attribs.getValue("name"));
         } else if (qName.equals("submeshnames")) {
             // ok
+            // setting submeshNamesHack to true will make "submesh" tag be interpreted
+            // as a "submeshname" tag.
+            submeshNamesHack = true;
         } else if (qName.equals("submeshname")) {
             startSubmeshName(attribs.getValue("index"), attribs.getValue("name"));
         } else if (qName.equals("mesh")) {
@@ -733,6 +743,9 @@ public class MeshLoader extends DefaultHandler implements AssetLoader {
             endLevelOfDetail();
         } else if (qName.equals("boneassignments")) {
             endBoneAssigns();
+        } else if (qName.equals("submeshnames")) {
+            // Restore default handling for "submesh" tag.
+            submeshNamesHack = false;
         }
     }