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-rw-r--r--src/ChunkMap.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/ChunkMap.cpp b/src/ChunkMap.cpp
index fbb8706e0..b5795fbaf 100644
--- a/src/ChunkMap.cpp
+++ b/src/ChunkMap.cpp
@@ -805,6 +805,10 @@ void cChunkMap::WakeUpSimulators(int a_BlockX, int a_BlockY, int a_BlockZ)
/// Wakes up the simulators for the specified area of blocks
void cChunkMap::WakeUpSimulatorsInArea(int a_MinBlockX, int a_MaxBlockX, int a_MinBlockY, int a_MaxBlockY, int a_MinBlockZ, int a_MaxBlockZ)
{
+ // Limit the Y coords:
+ a_MinBlockY = std::max(a_MinBlockY, 0);
+ a_MaxBlockY = std::min(a_MaxBlockY, cChunkDef::Height - 1);
+
cSimulatorManager * SimMgr = m_World->GetSimulatorManager();
int MinChunkX, MinChunkZ, MaxChunkX, MaxChunkZ;
cChunkDef::BlockToChunk(a_MinBlockX, a_MinBlockZ, MinChunkX, MinChunkZ);