1 files changed, 86 insertions, 0 deletions

diff --git a/src/Simulator/RedstoneSimulator.h b/src/Simulator/RedstoneSimulator.h
new file mode 100644
index 000000000..c0d5795c7
--- /dev/null
+++ b/src/Simulator/RedstoneSimulator.h
@@ -0,0 +1,86 @@
+
+#pragma once
+
+#include "Simulator.h"
+
+
+
+
+
+class cRedstoneSimulator :
+	public cSimulator
+{
+	typedef cSimulator super;
+public:
+	cRedstoneSimulator(cWorld & a_World);
+	~cRedstoneSimulator();
+
+	virtual void Simulate( float a_Dt ) override;
+	virtual bool IsAllowedBlock( BLOCKTYPE a_BlockType ) override { return true; }
+
+	virtual void WakeUp(int a_BlockX, int a_BlockY, int a_BlockZ, cChunk * a_Chunk) override;
+
+	enum eRedstoneDirection
+	{
+		REDSTONE_NONE =  0,
+		REDSTONE_X_POS = 0x1,
+		REDSTONE_X_NEG = 0x2,
+		REDSTONE_Z_POS = 0x4,
+		REDSTONE_Z_NEG = 0x8,
+	};
+	eRedstoneDirection GetWireDirection(int a_BlockX, int a_BlockY, int a_BlockZ);
+	eRedstoneDirection GetWireDirection(const Vector3i & a_Pos) { return GetWireDirection(a_Pos.x, a_Pos.y, a_Pos.z); }
+
+	static bool IsRepeaterPointingTo  (const Vector3i & a_RepeaterPos, char a_MetaData, const Vector3i & a_BlockPos);
+	static bool IsRepeaterPointingAway(const Vector3i & a_RepeaterPos, char a_MetaData, const Vector3i & a_BlockPos);
+	static NIBBLETYPE RepeaterRotationToMetaData(double a_Rotation);
+	static Vector3i GetRepeaterDirection(NIBBLETYPE a_MetaData);
+	static NIBBLETYPE LeverDirectionToMetaData(char a_Dir);
+	static bool IsLeverOn(cWorld * a_World, const Vector3i & a_BlockPos);
+	static bool IsLeverOn(NIBBLETYPE a_BlockMeta);
+
+
+private:
+	struct sRepeaterChange
+	{
+		Vector3i Position;
+		int Ticks;
+		bool bPowerOn;
+		bool bPowerOffNextTime;
+	};
+
+	typedef std::deque <Vector3i> BlockList;
+
+	typedef std::deque< sRepeaterChange > RepeaterList;
+	RepeaterList m_SetRepeaters;
+	
+	void SetRepeater(const Vector3i & a_Position, int a_Ticks, bool a_bPowerOn);
+
+	virtual void AddBlock(int a_BlockX, int a_BlockY, int a_BlockZ, cChunk * a_Chunk) override {}
+
+	void HandleChange( const Vector3i & a_BlockPos );
+	BlockList RemoveCurrent( const Vector3i & a_BlockPos );
+
+	bool PowerBlock( const Vector3i & a_BlockPos, const Vector3i & a_FromBlock, char a_Power );
+	int UnPowerBlock( const Vector3i & a_BlockPos, const Vector3i & a_FromBlock );
+
+	bool IsPowered( const Vector3i & a_BlockPos, bool a_bOnlyByWire = false );
+	bool IsPowering( const Vector3i & a_PowerPos, const Vector3i & a_BlockPos, eRedstoneDirection a_WireDirection, bool a_bOnlyByWire );
+	
+	BlockList m_Blocks;
+	BlockList m_BlocksBuffer;
+
+	BlockList m_RefreshPistons;
+	BlockList m_RefreshDropSpensers;
+
+	BlockList m_RefreshTorchesAround;
+	
+	void RefreshTorchesAround( const Vector3i & a_BlockPos );
+
+	// TODO: The entire simulator is synchronized, no need to lock data structures; remove this
+	cCriticalSection m_CS;
+};
+
+
+
+