Terrain: change index buffer flags to unsigned

components/terrain/buffercache.cpp

@@ -39,7 +39,7 @@ namespace Terrain
         return buffer;
     }
 
-    Ogre::HardwareIndexBufferSharedPtr BufferCache::getIndexBuffer(int flags)
+    Ogre::HardwareIndexBufferSharedPtr BufferCache::getIndexBuffer(unsigned int flags)
     {
         unsigned int verts = mNumVerts;
 

components/terrain/buffercache.hpp

@@ -17,7 +17,7 @@ namespace Terrain
 
         /// @param flags first 4*4 bits are LOD deltas on each edge, respectively (4 bits each)
         ///              next 4 bits are LOD level of the index buffer (LOD 0 = don't omit any vertices)
-        Ogre::HardwareIndexBufferSharedPtr getIndexBuffer (int flags);
+        Ogre::HardwareIndexBufferSharedPtr getIndexBuffer (unsigned int flags);
 
         Ogre::HardwareVertexBufferSharedPtr getUVBuffer ();
 

components/terrain/quadtreenode.cpp

@@ -415,7 +415,7 @@ void QuadTreeNode::updateIndexBuffers()
         // Fetch a suitable index buffer (which may be shared)
         size_t ourLod = getActualLodLevel();
 
-        int flags = 0;
+        unsigned int flags = 0;
 
         for (int i=0; i<4; ++i)
         {
@@ -436,7 +436,7 @@ void QuadTreeNode::updateIndexBuffers()
             if (lod > 0)
             {
                 assert (lod - ourLod < (1 << 4));
-                flags |= int(lod - ourLod) << (4*i);
+                flags |= static_cast<unsigned int>(lod - ourLod) << (4*i);
             }
         }
         flags |= 0 /*((int)mAdditionalLod)*/ << (4*4);