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-rw-r--r--src/Simulator/IncrementalRedstoneSimulator.inc7
-rw-r--r--src/Simulator/Simulator.cpp7
2 files changed, 12 insertions, 2 deletions
diff --git a/src/Simulator/IncrementalRedstoneSimulator.inc b/src/Simulator/IncrementalRedstoneSimulator.inc
index adaa47967..937e6b790 100644
--- a/src/Simulator/IncrementalRedstoneSimulator.inc
+++ b/src/Simulator/IncrementalRedstoneSimulator.inc
@@ -408,7 +408,12 @@ void cIncrementalRedstoneSimulator<ChunkType, WorldType, GetHandlerCompileTime,
// Every time a block is changed (AddBlock called), we want to go through all lists and check to see if the coordiantes stored within are still valid
// Checking only when a block is changed, as opposed to every tick, also improves performance
- PoweredBlocksList & PoweredBlocks = ((cIncrementalRedstoneSimulator<ChunkType, WorldType, GetHandlerCompileTime, ChestType>::cIncrementalRedstoneSimulatorChunkData *)a_Chunk->GetRedstoneSimulatorData())->m_PoweredBlocks;
+ cIncrementalRedstoneSimulator<ChunkType, WorldType, GetHandlerCompileTime, ChestType>::cIncrementalRedstoneSimulatorChunkData * SimulatorChunkData = ((cIncrementalRedstoneSimulator<ChunkType, WorldType, GetHandlerCompileTime, ChestType>::cIncrementalRedstoneSimulatorChunkData *)a_Chunk->GetRedstoneSimulatorData());
+ if (SimulatorChunkData == NULL)
+ {
+ return;
+ }
+ PoweredBlocksList & PoweredBlocks = SimulatorChunkData->m_PoweredBlocks;
for (typename PoweredBlocksList::iterator itr = PoweredBlocks.begin(); itr != PoweredBlocks.end();)
{
if (!itr->a_SourcePos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ)))
diff --git a/src/Simulator/Simulator.cpp b/src/Simulator/Simulator.cpp
index d26702166..29a1132ad 100644
--- a/src/Simulator/Simulator.cpp
+++ b/src/Simulator/Simulator.cpp
@@ -8,6 +8,11 @@
#include "Simulator.inc"
-#pragma clang diagnostic ignored "-Wweak-template-vtables"
+#ifdef __clang__
+ #pragma clang diagnostic ignored "-Wweak-template-vtables"
+#endif // __clang__
+
template class cSimulator<cChunk, cWorld>;
+
+