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// StructGen.h
/* Interfaces to the various structure generators:
- cStructGenTrees
- cStructGenMarbleCaves
- cStructGenOres
*/
#pragma once
#include "ComposableGenerator.h"
#include "../Noise/Noise.h"
class cStructGenTrees :
public cFinishGen
{
public:
cStructGenTrees(int a_Seed, cBiomeGenPtr a_BiomeGen, cTerrainShapeGenPtr a_ShapeGen, cTerrainCompositionGenPtr a_CompositionGen) :
m_Seed(a_Seed),
m_Noise(a_Seed),
m_BiomeGen(a_BiomeGen),
m_ShapeGen(a_ShapeGen),
m_CompositionGen(a_CompositionGen)
{}
protected:
int m_Seed;
cNoise m_Noise;
cBiomeGenPtr m_BiomeGen;
cTerrainShapeGenPtr m_ShapeGen;
cTerrainCompositionGenPtr m_CompositionGen;
/** Generates and applies an image of a single tree.
Parts of the tree inside the chunk are applied to a_ChunkDesc.
Parts of the tree outside the chunk are stored in a_OutsideXYZ
*/
void GenerateSingleTree(
int a_ChunkX, int a_ChunkZ, int a_Seq,
cChunkDesc & a_ChunkDesc,
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,
cChunkDesc & a_ChunkDesc,
const sSetBlockVector & a_Image,
sSetBlockVector & a_Overflow
);
int GetNumTrees(
int a_ChunkX, int a_ChunkZ,
const cChunkDef::BiomeMap & a_Biomes
);
// cFinishGen override:
virtual void GenFinish(cChunkDesc & a_ChunkDesc) override;
} ;
class cStructGenLakes :
public cFinishGen
{
public:
cStructGenLakes(int a_Seed, BLOCKTYPE a_Fluid, cTerrainShapeGenPtr a_ShapeGen, int a_Probability) :
m_Noise(a_Seed),
m_Seed(a_Seed),
m_Fluid(a_Fluid),
m_ShapeGen(a_ShapeGen),
m_Probability(a_Probability)
{
}
protected:
cNoise m_Noise;
int m_Seed;
BLOCKTYPE m_Fluid;
cTerrainShapeGenPtr m_ShapeGen;
/** Chance, [0 .. 100], of a chunk having the lake. */
int m_Probability;
// cFinishGen override:
virtual void GenFinish(cChunkDesc & a_ChunkDesc) override;
/** Creates a lake image for the specified chunk into a_Lake. */
void CreateLakeImage(int a_ChunkX, int a_ChunkZ, int a_MaxLakeHeight, cBlockArea & a_Lake);
} ;
class cStructGenDirectOverhangs :
public cFinishGen
{
public:
cStructGenDirectOverhangs(int a_Seed);
protected:
cNoise m_Noise1;
cNoise m_Noise2;
// cFinishGen override:
virtual void GenFinish(cChunkDesc & a_ChunkDesc) override;
bool HasWantedBiome(cChunkDesc & a_ChunkDesc) const;
} ;
class cStructGenDistortedMembraneOverhangs :
public cFinishGen
{
public:
cStructGenDistortedMembraneOverhangs(int a_Seed);
protected:
cNoise m_NoiseX;
cNoise m_NoiseY;
cNoise m_NoiseZ;
cNoise m_NoiseH;
// cFinishGen override:
virtual void GenFinish(cChunkDesc & a_ChunkDesc) override;
} ;
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