1 files changed, 185 insertions, 0 deletions

diff --git a/src/Generating/FinishGen.h b/src/Generating/FinishGen.h
new file mode 100644
index 000000000..ed7df5909
--- /dev/null
+++ b/src/Generating/FinishGen.h
@@ -0,0 +1,185 @@
+
+// FinishGen.h
+
+/* Interfaces to the various finishing generators:
+	- cFinishGenSnow
+	- cFinishGenIce
+	- cFinishGenSprinkleFoliage
+	- cFinishGenLilypads
+	- cFinishGenBottomLava
+	- cFinishGenPreSimulator
+	- cFinishGenDeadBushes
+*/
+
+
+
+
+
+#include "ComposableGenerator.h"
+#include "../Noise.h"
+#include "../ProbabDistrib.h"
+
+
+
+
+
+class cFinishGenSnow :
+	public cFinishGen
+{
+protected:
+	// cFinishGen override:
+	virtual void GenFinish(cChunkDesc & a_ChunkDesc) override;
+} ;
+
+
+
+
+
+class cFinishGenIce :
+	public cFinishGen
+{
+protected:
+	// cFinishGen override:
+	virtual void GenFinish(cChunkDesc & a_ChunkDesc) override;
+} ;
+
+
+
+
+
+class cFinishGenSprinkleFoliage :
+	public cFinishGen
+{
+public:
+	cFinishGenSprinkleFoliage(int a_Seed) : m_Noise(a_Seed), m_Seed(a_Seed) {}
+	
+protected:
+	cNoise m_Noise;
+	int    m_Seed;
+	
+	/// Tries to place sugarcane at the coords specified, returns true if successful
+	bool TryAddSugarcane(cChunkDesc & a_ChunkDesc, int a_RelX, int a_RelY, int a_RelZ);
+	
+	// cFinishGen override:
+	virtual void GenFinish(cChunkDesc & a_ChunkDesc) override;
+} ;
+
+
+
+
+
+/** This class adds a single top block in random positions in the specified biome on top of specified allowed blocks.
+Used for:
+- Lilypads finisher
+- DeadBushes finisher
+*/
+class cFinishGenSingleBiomeSingleTopBlock :
+	public cFinishGen
+{
+public:
+	cFinishGenSingleBiomeSingleTopBlock(
+		int a_Seed, BLOCKTYPE a_BlockType, EMCSBiome a_Biome, int a_Amount,
+		BLOCKTYPE a_AllowedBelow1, BLOCKTYPE a_AllowedBelow2
+	) :
+		m_Noise(a_Seed),
+		m_BlockType(a_BlockType),
+		m_Biome(a_Biome),
+		m_Amount(a_Amount),
+		m_AllowedBelow1(a_AllowedBelow1),
+		m_AllowedBelow2(a_AllowedBelow2)
+	{
+	}
+	
+protected:
+	cNoise m_Noise;
+	BLOCKTYPE m_BlockType;
+	EMCSBiome m_Biome;
+	int       m_Amount;         ///< Relative amount of blocks to try adding. 1 = one block per 256 biome columns.
+	BLOCKTYPE m_AllowedBelow1;  ///< First  of the two blocktypes that are allowed below m_BlockType
+	BLOCKTYPE m_AllowedBelow2;  ///< Second of the two blocktypes that are allowed below m_BlockType
+	
+	int GetNumToGen(const cChunkDef::BiomeMap & a_BiomeMap);
+	
+	// cFinishGen override:
+	virtual void GenFinish(cChunkDesc & a_ChunkDesc) override;
+} ;
+
+
+
+
+
+class cFinishGenBottomLava :
+	public cFinishGen
+{
+public:
+	cFinishGenBottomLava(int a_Level) :
+		m_Level(a_Level)
+	{
+	}
+	
+protected:
+	int m_Level;
+	
+	// cFinishGen override:
+	virtual void GenFinish(cChunkDesc & a_ChunkDesc) override;
+} ;
+
+
+
+
+
+class cFinishGenPreSimulator :
+	public cFinishGen
+{
+public:
+	cFinishGenPreSimulator(void);
+	
+protected:
+	// Drops hanging sand and gravel down to the ground, recalculates heightmap
+	void CollapseSandGravel(
+		cChunkDef::BlockTypes & a_BlockTypes,    // Block types to read and change
+		cChunkDef::HeightMap & a_HeightMap       // Height map to update by the current data
+	);
+	
+	/** For each fluid block:
+	- if all surroundings are of the same fluid, makes it stationary; otherwise makes it flowing (excl. top)
+	- all fluid on the chunk's edge is made flowing
+	*/
+	void StationarizeFluid(
+		cChunkDef::BlockTypes & a_BlockTypes,    // Block types to read and change
+		cChunkDef::HeightMap & a_HeightMap,      // Height map to read
+		BLOCKTYPE a_Fluid,
+		BLOCKTYPE a_StationaryFluid
+	);
+
+	// cFinishGen override:
+	virtual void GenFinish(cChunkDesc & a_ChunkDesc) override;
+} ;
+
+
+
+
+
+class cFinishGenFluidSprings :
+	public cFinishGen
+{
+public:
+	cFinishGenFluidSprings(int a_Seed, BLOCKTYPE a_Fluid, cIniFile & a_IniFile, const cWorld & a_World);
+	
+protected:
+
+	cNoise         m_Noise;
+	cProbabDistrib m_HeightDistribution;
+	BLOCKTYPE      m_Fluid;
+	int            m_Chance;  ///< Chance, [0..100], that a spring will be generated in a chunk
+
+	// cFinishGen override:
+	virtual void GenFinish(cChunkDesc & a_ChunkDesc) override;
+
+	/// Tries to place a spring at the specified coords, checks neighbors. Returns true	if successful
+	bool TryPlaceSpring(cChunkDesc & a_ChunkDesc, int x, int y, int z);
+} ;
+
+
+
+