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// HeiGen.h
/*
Interfaces to the various height generators:
- cHeiGenFlat
- cHeiGenClassic
- cHeiGenBiomal
*/
#pragma once
#include "cChunkGenerator.h"
#include "cNoise.h"
class cHeiGenFlat :
public cTerrainHeightGen
{
public:
cHeiGenFlat(int a_Height) : m_Height(a_Height) {}
protected:
int m_Height;
// cTerrainHeightGen override:
virtual void GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMap & a_HeightMap) override;
} ;
class cHeiGenClassic :
public cTerrainHeightGen
{
public:
cHeiGenClassic(int a_Seed, float a_HeightFreq1, float a_HeightAmp1, float a_HeightFreq2, float a_HeightAmp2, float a_HeightFreq3, float a_HeightAmp3);
protected:
int m_Seed;
cNoise m_Noise;
float m_HeightFreq1, m_HeightAmp1;
float m_HeightFreq2, m_HeightAmp2;
float m_HeightFreq3, m_HeightAmp3;
float GetNoise(float x, float y);
// cTerrainHeightGen override:
virtual void GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMap & a_HeightMap) override;
} ;
class cHeiGenBiomal :
public cTerrainHeightGen
{
public:
cHeiGenBiomal(int a_Seed, cBiomeGen & a_BiomeGen) :
m_Noise(a_Seed),
m_BiomeGen(a_BiomeGen)
{
}
protected:
typedef cChunkDef::BiomeMap BiomeNeighbors[3][3];
cNoise m_Noise;
cBiomeGen & m_BiomeGen;
// Per-biome terrain generator parameters:
struct sGenParam
{
float m_HeightFreq1, m_HeightAmp1;
float m_HeightFreq2, m_HeightAmp2;
float m_HeightFreq3, m_HeightAmp3;
float m_BaseHeight;
} ;
static const sGenParam m_GenParam[biNumBiomes];
// cTerrainHeightGen override:
virtual void GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMap & a_HeightMap) override;
HEIGHTTYPE GetHeightAt(int a_RelX, int a_RelZ, int a_ChunkX, int a_ChunkZ, const BiomeNeighbors & a_BiomeNeighbors);
} ;
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