1 files changed, 8 insertions, 0 deletions

diff --git a/src/Simulator/SimulatorManager.h b/src/Simulator/SimulatorManager.h
index e6ad68bf3..daa949157 100644
--- a/src/Simulator/SimulatorManager.h
+++ b/src/Simulator/SimulatorManager.h
@@ -35,8 +35,16 @@ public:
 
 	void SimulateChunk(std::chrono::milliseconds a_DT, int a_ChunkX, int a_ChunkZ, cChunk * a_Chunk);
 
+	/* Called when a single block changes, wakes all simulators up for the block and its face-neighbors. */
 	void WakeUp(int a_BlockX, int a_BlockY, int a_BlockZ, cChunk * a_Chunk);
 
+	/** Does the same processing as WakeUp, but for all blocks within the specified area.
+	Has better performance than calling WakeUp for each block individually, due to neighbor-checking.
+	All chunks intersected by the area should be valid (outputs a warning if not).
+	Note that, unlike WakeUp(), this call adds blocks not only face-neighboring, but also edge-neighboring and
+	corner-neighboring the specified area. So far none of the simulators care about that. */
+	void WakeUpArea(const cCuboid & a_Area);
+
 	void RegisterSimulator(cSimulator * a_Simulator, int a_Rate);  // Takes ownership of the simulator object!
 
 protected: