1 files changed, 199 insertions, 0 deletions

diff --git a/src/Simulator/RedstoneSimulator.h b/src/Simulator/RedstoneSimulator.h
new file mode 100644
index 000000000..d68c6daeb
--- /dev/null
+++ b/src/Simulator/RedstoneSimulator.h
@@ -0,0 +1,199 @@
+
+#pragma once
+
+#include "Simulator.h"
+
+/// Per-chunk data for the simulator, specified individual chunks to simulate; 'Data' is not used
+typedef cCoordWithIntList cRedstoneSimulatorChunkData;
+
+
+
+
+
+class cRedstoneSimulator :
+	public cSimulator
+{
+	typedef cSimulator super;
+public:
+
+	cRedstoneSimulator(cWorld & a_World);
+	~cRedstoneSimulator();
+
+	virtual void Simulate(float a_Dt) override {}; // Not used in this simulator
+	virtual void SimulateChunk(float a_Dt, int a_ChunkX, int a_ChunkZ, cChunk * a_Chunk) override;
+	virtual bool IsAllowedBlock( BLOCKTYPE a_BlockType ) override { return IsRedstone(a_BlockType); }
+
+	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); }
+
+private:
+
+	struct sPoweredBlocks // Define structure of the directly powered blocks list
+	{
+		Vector3i a_BlockPos; // Position of powered block
+		Vector3i a_SourcePos; // Position of source powering the block at a_BlockPos
+		BLOCKTYPE a_SourceBlock; // The source block type (for pistons pushing away sources and replacing with non source etc.)
+	};
+
+	struct sLinkedPoweredBlocks // Define structure of the indirectly powered blocks list (i.e. repeaters powering through a block to the block at the other side)
+	{
+		Vector3i a_BlockPos;
+		Vector3i a_MiddlePos;
+		Vector3i a_SourcePos;
+		BLOCKTYPE a_SourceBlock;
+		BLOCKTYPE a_MiddleBlock;
+	};
+	
+	typedef std::vector <sPoweredBlocks> PoweredBlocksList;
+	typedef std::vector <sLinkedPoweredBlocks> LinkedBlocksList;
+
+	PoweredBlocksList m_PoweredBlocks;
+	LinkedBlocksList m_LinkedPoweredBlocks;
+
+	virtual void AddBlock(int a_BlockX, int a_BlockY, int a_BlockZ, cChunk * a_Chunk) override;
+
+	// We want a_MyState for devices needing a full FastSetBlock (as opposed to meta) because with our simulation model, we cannot keep setting the block if it is already set correctly
+	// In addition to being non-performant, it would stop the player from actually breaking said device
+
+	/* ====== SOURCES ====== */
+	///<summary>Handles the redstone torch</summary>
+	void HandleRedstoneTorch(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_MyState);
+	///<summary>Handles the redstone block</summary>
+	void HandleRedstoneBlock(int a_BlockX, int a_BlockY, int a_BlockZ);
+	///<summary>Handles levers</summary>
+	void HandleRedstoneLever(int a_BlockX, int a_BlockY, int a_BlockZ);
+	///<summary>Handles buttons</summary>
+	void HandleRedstoneButton(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType);
+	/* ==================== */
+
+	/* ====== CARRIERS ====== */
+	///<summary>Handles redstone wire</summary>
+	void HandleRedstoneWire(int a_BlockX, int a_BlockY, int a_BlockZ);
+	///<summary>Handles repeaters</summary>
+	void HandleRedstoneRepeater(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_MyState);
+	/* ====================== */
+
+	/* ====== DEVICES ====== */
+	///<summary>Handles pistons</summary>
+	void HandlePiston(int a_BlockX, int a_BlockY, int a_BlockZ);
+	///<summary>Handles dispensers and droppers</summary>
+	void HandleDropSpenser(int a_BlockX, int a_BlockY, int a_BlockZ);
+	///<summary>Handles TNT (exploding)</summary>
+	void HandleTNT(int a_BlockX, int a_BlockY, int a_BlockZ);
+	///<summary>Handles redstone lamps</summary>
+	void HandleRedstoneLamp(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_MyState);
+	///<summary>Handles doords</summary>
+	void HandleDoor(int a_BlockX, int a_BlockY, int a_BlockZ);
+	///<summary>Handles activator, detector, and powered rails</summary>
+	void HandleRail(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_MyType);
+	/* ===================== */
+
+	/* ====== Helper functions ====== */
+	void SetBlockPowered(int a_BlockX, int a_BlockY, int a_BlockZ, int a_SourceX, int a_SourceY, int a_SourceZ, BLOCKTYPE a_SourceBlock);
+	void SetBlockLinkedPowered(int a_BlockX, int a_BlockY, int a_BlockZ, int a_MiddleX, int a_MiddleY, int a_MiddleZ, int a_SourceX, int a_SourceY, int a_SourceZ, BLOCKTYPE a_SourceBlock, BLOCKTYPE a_MiddeBlock);
+	void SetDirectionLinkedPowered(int a_BlockX, int a_BlockY, int a_BlockZ, char a_Direction, BLOCKTYPE a_SourceType);
+
+	bool AreCoordsPowered(int a_BlockX, int a_BlockY, int a_BlockZ);
+	bool IsRepeaterPowered(int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_Meta);
+
+	bool IsLeverOn(NIBBLETYPE a_BlockMeta);
+	bool IsButtonOn(NIBBLETYPE a_BlockMeta);
+	/* ============================== */
+
+	inline static bool IsMechanism(BLOCKTYPE Block)
+	{
+		switch (Block)
+		{
+			case E_BLOCK_PISTON:
+			case E_BLOCK_STICKY_PISTON:
+			case E_BLOCK_DISPENSER:
+			case E_BLOCK_DROPPER:
+			case E_BLOCK_TNT:
+			case E_BLOCK_REDSTONE_LAMP_OFF:
+			case E_BLOCK_REDSTONE_LAMP_ON:
+			case E_BLOCK_WOODEN_DOOR:
+			case E_BLOCK_IRON_DOOR:
+			case E_BLOCK_REDSTONE_REPEATER_OFF:
+			case E_BLOCK_REDSTONE_REPEATER_ON:
+			case E_BLOCK_POWERED_RAIL:
+			{
+				return true;
+			}
+			default: return false;
+		}
+	}
+
+	inline static bool IsPotentialSource(BLOCKTYPE Block)
+	{
+		switch (Block)
+		{
+			case E_BLOCK_WOODEN_BUTTON:
+			case E_BLOCK_STONE_BUTTON:
+			case E_BLOCK_REDSTONE_WIRE:
+			case E_BLOCK_REDSTONE_TORCH_OFF:
+			case E_BLOCK_REDSTONE_TORCH_ON:
+			case E_BLOCK_LEVER:
+			case E_BLOCK_REDSTONE_REPEATER_ON:
+			case E_BLOCK_REDSTONE_REPEATER_OFF:
+			case E_BLOCK_BLOCK_OF_REDSTONE:
+			case E_BLOCK_ACTIVE_COMPARATOR:
+			case E_BLOCK_INACTIVE_COMPARATOR:
+			{
+				return true;
+			}
+			default: return false;
+		}
+	}
+
+	inline static bool IsRedstone(BLOCKTYPE Block)
+	{
+		switch (Block)
+		{
+			// All redstone devices, please alpha sort
+			case E_BLOCK_ACTIVATOR_RAIL:
+			case E_BLOCK_ACTIVE_COMPARATOR:
+			case E_BLOCK_BLOCK_OF_REDSTONE:
+			case E_BLOCK_DETECTOR_RAIL:
+			case E_BLOCK_DISPENSER:
+			case E_BLOCK_DAYLIGHT_SENSOR:
+			case E_BLOCK_DROPPER:
+			case E_BLOCK_FENCE_GATE:
+			case E_BLOCK_HEAVY_WEIGHTED_PRESSURE_PLATE:
+			case E_BLOCK_HOPPER:
+			case E_BLOCK_INACTIVE_COMPARATOR:
+			case E_BLOCK_IRON_DOOR:
+			case E_BLOCK_LEVER:
+			case E_BLOCK_LIGHT_WEIGHTED_PRESSURE_PLATE:
+			case E_BLOCK_NOTE_BLOCK:
+			case E_BLOCK_REDSTONE_LAMP_OFF:
+			case E_BLOCK_REDSTONE_LAMP_ON:
+			case E_BLOCK_REDSTONE_REPEATER_OFF:
+			case E_BLOCK_REDSTONE_REPEATER_ON:
+			case E_BLOCK_REDSTONE_TORCH_OFF:
+			case E_BLOCK_REDSTONE_TORCH_ON:
+			case E_BLOCK_REDSTONE_WIRE:
+			case E_BLOCK_STICKY_PISTON:
+			case E_BLOCK_STONE_BUTTON:
+			case E_BLOCK_STONE_PRESSURE_PLATE:
+			case E_BLOCK_TNT:
+			case E_BLOCK_TRAPDOOR:
+			case E_BLOCK_TRIPWIRE_HOOK:
+			case E_BLOCK_WOODEN_BUTTON:
+			case E_BLOCK_WOODEN_DOOR:
+			case E_BLOCK_WOODEN_PRESSURE_PLATE:
+			case E_BLOCK_PISTON:
+			{
+				 return true;
+			}
+			default: return false;
+		}
+	}
+};
\ No newline at end of file