EndGen.h

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// EndGen.h

// Declares the cEndGen class representing the generator for the End, both as a HeightGen and CompositionGen





#pragma once

#include "ComposableGenerator.h"
#include "../Noise/Noise.h"





class cEndGen :
    public cTerrainShapeGen,
    public cTerrainCompositionGen
{
public:
    cEndGen(int a_Seed);

protected:

    int m_Seed;

    cPerlinNoise m_Perlin;

    // XYZ size of the "island", in blocks:
    int m_IslandSizeX;
    int m_IslandSizeY;
    int m_IslandSizeZ;

    // XYZ Frequencies of the noise functions:
    NOISE_DATATYPE m_FrequencyX;
    NOISE_DATATYPE m_FrequencyY;
    NOISE_DATATYPE m_FrequencyZ;

    // Minimum and maximum chunk coords for chunks inside the island area. Chunks outside won't get calculated at all
    int m_MinChunkX, m_MaxChunkX;
    int m_MinChunkZ, m_MaxChunkZ;

    // Noise array for the last chunk (in the noise range)
    cChunkCoords m_LastChunkCoords;
    NOISE_DATATYPE m_NoiseArray[17 * 17 * 257];  // x + 17 * z + 17 * 17 * y


    void PrepareState(cChunkCoords a_ChunkCoords);

    void GenerateNoiseArray(void);

    bool IsChunkOutsideRange(cChunkCoords a_ChunkCoords);


    // cTerrainShapeGen overrides:
    virtual void GenShape(cChunkCoords a_ChunkCoords, cChunkDesc::Shape & a_Shape) override;


    // cTerrainCompositionGen overrides:
    virtual void ComposeTerrain(cChunkDesc & a_ChunkDesc, const cChunkDesc::Shape & a_Shape) override;
    virtual void InitializeCompoGen(cIniFile & a_IniFile) override;
} ;