jme3-terrain: handle 2 more ByteBuffer cases

jme3-terrain/src/main/java/com/jme3/terrain/geomipmap/UpdatedTerrainPatch.java

@@ -33,6 +33,7 @@ package com.jme3.terrain.geomipmap;
 
 import com.jme3.scene.VertexBuffer.Type;
 import java.nio.Buffer;
+import java.nio.ByteBuffer;
 import java.nio.IntBuffer;
 import java.nio.ShortBuffer;
 
@@ -180,6 +181,8 @@ public class UpdatedTerrainPatch {
                 updatedPatch.getMesh().setBuffer(Type.Index, 3, (IntBuffer)newIndexBuffer);
             else if (newIndexBuffer instanceof ShortBuffer)
                 updatedPatch.getMesh().setBuffer(Type.Index, 3, (ShortBuffer)newIndexBuffer);
+            else
+                updatedPatch.getMesh().setBuffer(Type.Index, 3, (ByteBuffer)newIndexBuffer);
         }
     }
     

jme3-terrain/src/main/java/com/jme3/terrain/geomipmap/lodcalc/util/EntropyComputeUtil.java

@@ -41,6 +41,7 @@ import com.jme3.scene.VertexBuffer;
 import com.jme3.scene.VertexBuffer.Type;
 import com.jme3.util.BufferUtils;
 import java.nio.Buffer;
+import java.nio.ByteBuffer;
 import java.nio.FloatBuffer;
 import java.nio.IntBuffer;
 import java.nio.ShortBuffer;
@@ -78,6 +79,8 @@ public class EntropyComputeUtil {
             terrainBlock.setBuffer(Type.Index, 3, (IntBuffer)lodIndices);
         else if (lodIndices instanceof ShortBuffer) {
             terrainBlock.setBuffer(Type.Index, 3, (ShortBuffer) lodIndices);
+        } else {
+            terrainBlock.setBuffer(Type.Index, 3, (ByteBuffer) lodIndices);
         }
 
         // Recalculate collision mesh