1 files changed, 112 insertions, 0 deletions
diff --git a/source/Generating/StructGen.h b/source/Generating/StructGen.h
new file mode 100644
index 000000000..8ddfdadba
--- /dev/null
+++ b/source/Generating/StructGen.h
@@ -0,0 +1,112 @@
+
+// StructGen.h
+
+/* Interfaces to the various structure generators:
+	- cStructGenTrees
+	- cStructGenMarbleCaves
+	- cStructGenOres
+*/
+
+
+
+
+
+#pragma once
+
+#include "ChunkGenerator.h"
+#include "../cNoise.h"
+
+
+
+
+
+class cStructGenTrees :
+	public cStructureGen
+{
+public:
+	cStructGenTrees(int a_Seed, cBiomeGen * a_BiomeGen, cTerrainHeightGen * a_HeightGen, cTerrainCompositionGen * a_CompositionGen) :
+		m_Seed(a_Seed),
+		m_Noise(a_Seed),
+		m_BiomeGen(a_BiomeGen),
+		m_HeightGen(a_HeightGen),
+		m_CompositionGen(a_CompositionGen)
+	{}
+	
+protected:
+
+	int m_Seed;
+	cNoise m_Noise;
+	cBiomeGen *              m_BiomeGen;
+	cTerrainHeightGen *      m_HeightGen;
+	cTerrainCompositionGen * m_CompositionGen;
+	
+	/** Generates and applies an image of a single tree.
+	Parts of the tree inside the chunk are applied to a_BlockX.
+	Parts of the tree outside the chunk are stored in a_OutsideX
+	*/
+	void GenerateSingleTree(
+		int a_ChunkX, int a_ChunkZ, int a_Seq,
+		cChunkDef::BlockTypes & a_BlockTypes,
+		cChunkDef::BlockNibbles & a_BlockMetas,
+		const cChunkDef::HeightMap & a_Height,
+		const cChunkDef::BiomeMap & a_Biomes,
+		sSetBlockVector & a_OutsideLogs,
+		sSetBlockVector & a_OutsideOther
+	) ;
+	
+	/// Applies an image into chunk blockdata; all blocks outside the chunk will be appended to a_Overflow
+	void ApplyTreeImage(
+		int a_ChunkX, int a_ChunkZ,
+		cChunkDef::BlockTypes & a_BlockTypes,
+		cChunkDef::BlockNibbles & a_BlockMetas,
+		const sSetBlockVector & a_Image,
+		sSetBlockVector & a_Overflow
+	);
+
+	int GetNumTrees(
+		int a_ChunkX, int a_ChunkZ,
+		const cChunkDef::BiomeMap & a_Biomes
+	);
+	
+	// cStructureGen override:
+	virtual void GenStructures(
+		int a_ChunkX, int a_ChunkZ,
+		cChunkDef::BlockTypes & a_BlockTypes,    // Block types to read and change
+		cChunkDef::BlockNibbles & a_BlockMetas,  // Block meta to read and change
+		cChunkDef::HeightMap & a_HeightMap,      // Height map to read and change by the current data
+		cEntityList & a_Entities,                // Entities may be added or deleted
+		cBlockEntityList & a_BlockEntities       // Block entities may be added or deleted
+	) override;
+} ;
+
+
+
+
+
+class cStructGenOreNests :
+	public cStructureGen
+{
+public:
+	cStructGenOreNests(int a_Seed) : m_Noise(a_Seed), m_Seed(a_Seed) {}
+	
+protected:
+	cNoise m_Noise;
+	int    m_Seed;
+	
+	// cStructureGen override:
+	virtual void GenStructures(
+		int a_ChunkX, int a_ChunkZ,
+		cChunkDef::BlockTypes & a_BlockTypes,   // Block types to read and change
+		cChunkDef::BlockNibbles & a_BlockMeta,  // Block meta to read and change
+		cChunkDef::HeightMap & a_HeightMap,     // Height map to read and change by the current data
+		cEntityList & a_Entities,               // Entities may be added or deleted
+		cBlockEntityList & a_BlockEntities      // Block entities may be added or deleted
+	) override;
+	
+	void GenerateOre(int a_ChunkX, int a_ChunkZ, BLOCKTYPE a_OreType, int a_MaxHeight, int a_NumNests, int a_NestSize, cChunkDef::BlockTypes & a_BlockTypes, int a_Seq);
+} ;
+
+
+
+
+