Method _updateLayerTexture

Engine/source/terrain/terrRender.cpp:249–291

}

void TerrainBlock::_updateLayerTexture()
{
   const U32 layerSize = mFile->mSize;
   const Vector<U8> &layerMap = mFile->mLayerMap;
   const U32 pixelCount = layerMap.size();

   if (  mLayerTex.isNull() ||
         mLayerTex.getWidth() != layerSize ||
         mLayerTex.getHeight() != layerSize )
      mLayerTex.set( layerSize, layerSize, GFXFormatB8G8R8A8, &TerrainLayerTexProfile, "" );

   AssertFatal(   mLayerTex.getWidth() == layerSize &&
                  mLayerTex.getHeight() == layerSize,
      "TerrainBlock::_updateLayerTexture - The texture size doesn't match the requested size!" );

   // Update the layer texture.
   GFXLockedRect *lock = mLayerTex.lock();

   for ( U32 i=0; i < pixelCount; i++ )
   {  
      lock->bits[0] = layerMap[i];

      if ( i + 1 >= pixelCount )
         lock->bits[1] = lock->bits[0];
      else
         lock->bits[1] = layerMap[i+1];

      if ( i + layerSize >= pixelCount )
         lock->bits[2] = lock->bits[0];
      else
         lock->bits[2] = layerMap[i + layerSize];

      if ( i + layerSize + 1 >= pixelCount )
         lock->bits[3] = lock->bits[0];
      else
         lock->bits[3] = layerMap[i + layerSize + 1];

      lock->bits += 4;
   }

   mLayerTex.unlock();
   //mLayerTex->dumpToDisk( "png", "./layerTex.png" );
}

bool TerrainBlock::_initBaseShader()
{