1 files changed, 9 insertions, 5 deletions

diff --git a/src/Simulator/SimulatorManager.h b/src/Simulator/SimulatorManager.h
index 98a60b4ee..b5f54381c 100644
--- a/src/Simulator/SimulatorManager.h
+++ b/src/Simulator/SimulatorManager.h
@@ -28,26 +28,30 @@ class cWorld;
 class cSimulatorManager
 {
 public:
+
 	cSimulatorManager(cWorld & a_World);
 	~cSimulatorManager();
 
+	/** Called in each tick, a_Dt is the time passed since the last tick, in msec. */
 	void Simulate(float a_Dt);
 
+	/** Called in each tick for each chunk, a_Dt is the time passed since the last tick, in msec; direct access to chunk data available. */
 	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(Vector3i a_Block, cChunk * a_Chunk);
+	/* Called when a single block changes, wakes all simulators up for the block.
+	The simulator implementation may also decide to wake the block's face-neighbors or blocks farther away. */
+	void WakeUp(cChunk & a_Chunk, Vector3i a_Position);
 
 	/** 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);
+	Note that, unlike WakeUp(), this call adds blocks not only face-neighboring, but also edge-neighboring and corner-neighboring the specified area. */
+	void WakeUp(const cCuboid & a_Area);
 
 	void RegisterSimulator(cSimulator * a_Simulator, int a_Rate);  // Takes ownership of the simulator object!
 
 protected:
+
 	typedef std::vector <std::pair<cSimulator *, int> > cSimulators;
 
 	cWorld & m_World;