Initial Floody fluid simulator.

Can spread, cannot dry.

git-svn-id: http://mc-server.googlecode.com/svn/trunk@963 0a769ca7-a7f5-676a-18bf-c427514a06d6

source/Simulator/Simulator.h

@@ -28,6 +28,7 @@ public:
 	virtual bool IsAllowedBlock(BLOCKTYPE a_BlockType) = 0;
 
 protected:
+	/// Called to simulate a new block
 	virtual void AddBlock(int a_BlockX, int a_BlockY, int a_BlockZ) = 0;
 
 	cWorld * m_World;