StructGen.h

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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, cBiomeGen & a_BiomeGen, cTerrainShapeGen & a_ShapeGen, cTerrainCompositionGen & 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;
    cBiomeGen &              m_BiomeGen;
    cTerrainShapeGen &       m_ShapeGen;
    cTerrainCompositionGen & m_CompositionGen;
 
    void GenerateSingleTree(
        int a_ChunkX, int a_ChunkZ, int a_Seq,
        Vector3i a_Pos,
        cChunkDesc & a_ChunkDesc,
        sSetBlockVector & a_OutsideLogs,
        sSetBlockVector & a_OutsideOther
    ) ;
 
    void ApplyTreeImage(
        int a_ChunkX, int a_ChunkZ,
        cChunkDesc & a_ChunkDesc,
        const sSetBlockVector & a_Image,
        sSetBlockVector & a_Overflow
    );
 
    double 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, cTerrainShapeGen & 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;
    cTerrainShapeGen & m_ShapeGen;
 
    int m_Probability;
 
 
    // cFinishGen override:
    virtual void GenFinish(cChunkDesc & a_ChunkDesc) override;
 
    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;
} ;