functionality when using Terrain::setVerticalScale. This was caused by
the following call sequence resulting in a lockup:
void Terrain::setVerticalScale(float scale)
CALLS dirtyRegisteredTiles();
void Terrain::dirtyRegisteredTiles(int dirtyMask)
SETS LOCK OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_mutex);
and CALLS (on every tile) setDirtyMask(dirtyMask);
void TerrainTile::setDirtyMask(int dirtyMask)
CALLS _terrain->updateTerrainTileOnNextFrame(this);
void Terrain::updateTerrainTileOnNextFrame(TerrainTile* terrainTile)
SETS LOCK OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_mutex);
******* PROBLEM - since lock has already been set! ********
The suggested fix submitted changes from using Mutex to ReentrantMutex.
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