1 files changed, 75 insertions, 0 deletions

diff --git a/src/Simulator/FluidSimulator.h b/src/Simulator/FluidSimulator.h
new file mode 100644
index 000000000..672b740a2
--- /dev/null
+++ b/src/Simulator/FluidSimulator.h
@@ -0,0 +1,75 @@
+
+#pragma once
+
+#include "Simulator.h"
+
+
+
+
+
+enum Direction
+{
+	X_PLUS,
+	X_MINUS,
+	Y_PLUS,
+	Y_MINUS,
+	Z_PLUS,
+	Z_MINUS,
+	NONE
+};
+
+
+
+
+
+/** This is a base class for all fluid simulator data classes.
+Needed so that cChunk can properly delete instances of fluid simulator data, no matter what simulator it's using
+*/
+class cFluidSimulatorData
+{
+public:
+	virtual ~cFluidSimulatorData() {}
+} ;
+
+
+
+
+
+class cFluidSimulator :
+	public cSimulator
+{
+	typedef cSimulator super;
+	
+public:
+	cFluidSimulator(cWorld & a_World, BLOCKTYPE a_Fluid, BLOCKTYPE a_StationaryFluid);
+
+	// cSimulator overrides:
+	virtual bool IsAllowedBlock(BLOCKTYPE a_BlockType) override;
+	
+	/// Gets the flowing direction. If a_Over is true also the block over the current block affects the direction (standard)
+	virtual Direction GetFlowingDirection(int a_X, int a_Y, int a_Z, bool a_Over = true);
+	
+	/// Creates a ChunkData object for the simulator to use. The simulator returns the correct object type.
+	virtual cFluidSimulatorData * CreateChunkData(void) { return NULL; }
+	
+	bool IsFluidBlock          (BLOCKTYPE a_BlockType) const { return (a_BlockType == m_FluidBlock); }
+	bool IsStationaryFluidBlock(BLOCKTYPE a_BlockType) const { return (a_BlockType == m_StationaryFluidBlock); }
+	bool IsAnyFluidBlock       (BLOCKTYPE a_BlockType) const { return ((a_BlockType == m_FluidBlock) || (a_BlockType == m_StationaryFluidBlock)); }
+	
+	static bool CanWashAway(BLOCKTYPE a_BlockType);
+	
+	bool IsSolidBlock      (BLOCKTYPE a_BlockType);
+	bool IsPassableForFluid(BLOCKTYPE a_BlockType);
+	
+	/// Returns true if a_Meta1 is a higher fluid than a_Meta2. Takes source blocks into account.
+	bool IsHigherMeta(NIBBLETYPE a_Meta1, NIBBLETYPE a_Meta2);
+	
+protected:
+	BLOCKTYPE m_FluidBlock;            // The fluid block type that needs simulating
+	BLOCKTYPE m_StationaryFluidBlock;  // The fluid block type that indicates no simulation is needed
+} ;
+
+
+
+
+