reduced terrain save j3o file size

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@7883 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/nbproject/project.properties

@@ -86,7 +86,7 @@ platform.active=default_platform
 run.classpath=\
     ${javac.classpath}:\
     ${build.classes.dir}
-run.jvmargs=-Xms30m -Xmx30m -XX:MaxDirectMemorySize=256M
+run.jvmargs=-Xms128m -Xmx128m -XX:MaxDirectMemorySize=256M
 run.test.classpath=\
     ${javac.test.classpath}:\
     ${build.test.classes.dir}

engine/src/terrain/com/jme3/terrain/geomipmap/TerrainPatch.java

@@ -1036,6 +1036,11 @@ public class TerrainPatch extends Geometry {
 
     @Override
     public void write(JmeExporter ex) throws IOException {
+        // the mesh is removed, and reloaded when read() is called
+        // this reduces the save size to 10% by not saving the mesh
+        Mesh temp = getMesh();
+        mesh = null;
+        
         super.write(ex);
         OutputCapsule oc = ex.getCapsule(this);
         oc.write(size, "size", 16);
@@ -1048,6 +1053,8 @@ public class TerrainPatch extends Geometry {
         oc.write(lodCalculatorFactory, "lodCalculatorFactory", null);
         oc.write(lodEntropy, "lodEntropy", null);
         oc.write(geomap, "geomap", null);
+        
+        setMesh(temp);
     }
 
     @Override
@@ -1065,6 +1072,10 @@ public class TerrainPatch extends Geometry {
         lodCalculatorFactory = (LodCalculatorFactory) ic.readSavable("lodCalculatorFactory", null);
         lodEntropy = ic.readFloatArray("lodEntropy", null);
         geomap = (LODGeomap) ic.readSavable("geomap", null);
+        
+        Mesh regen = geomap.createMesh(stepScale, new Vector2f(1,1), offset, offsetAmount, totalSize, false);
+        setMesh(regen);
+        TangentBinormalGenerator.generate(this); // note that this will be removed
     }
 
     @Override

engine/src/terrain/com/jme3/terrain/geomipmap/TerrainQuad.java

@@ -1520,6 +1520,12 @@ public class TerrainQuad extends Node implements Terrain {
         quadrant = c.readInt("quadrant", 0);
         totalSize = c.readInt("totalSize", 0);
         lodCalculatorFactory = (LodCalculatorFactory) c.readSavable("lodCalculatorFactory", null);
+        
+        if ( !(getParent() instanceof TerrainQuad) ) {
+            BoundingBox all = new BoundingBox(getWorldTranslation(), totalSize, totalSize, totalSize);
+            affectedAreaBBox = all;
+            updateNormals();
+        }
     }
 
     @Override