#pragma once

#include "../Vector3.h"






template <class ChunkType, class WorldType>
class cSimulator
{
public:
	cSimulator(WorldType & a_World);
	virtual ~cSimulator();

	/// Called in each tick, a_Dt is the time passed since the last tick, in msec
	virtual void Simulate(float a_Dt) = 0;
	
	/// 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
	virtual void SimulateChunk(float a_Dt, int a_ChunkX,
		int a_ChunkZ, ChunkType * a_Chunk)
	{
		UNUSED(a_Dt);
		UNUSED(a_ChunkX);
		UNUSED(a_ChunkZ);
		UNUSED(a_Chunk);
	}
	
	/// Called when a block changes
	virtual void WakeUp(int a_BlockX, int a_BlockY, int a_BlockZ, ChunkType * a_Chunk);

	virtual bool IsAllowedBlock(BLOCKTYPE a_BlockType) = 0;

protected:
	friend class cChunk;  // Calls AddBlock() in its WakeUpSimulators() function, to speed things up
	
	/// Called to simulate a new block
	virtual void AddBlock(int a_BlockX, int a_BlockY, int a_BlockZ, ChunkType * a_Chunk) = 0;

	WorldType & m_World;
} ;