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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.h"
class cEndGen :
public cTerrainHeightGen,
public cTerrainCompositionGen
{
public:
cEndGen(int a_Seed);
protected:
/// Seed for the noise
int m_Seed;
/// The Perlin noise used for generating
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)
int m_LastChunkX;
int m_LastChunkZ;
NOISE_DATATYPE m_NoiseArray[17 * 17 * 257]; // x + 17 * z + 17 * 17 * y
/// Unless the LastChunk coords are equal to coords given, prepares the internal state (noise array)
void PrepareState(int a_ChunkX, int a_ChunkZ);
/// Generates the m_NoiseArray array for the current chunk
void GenerateNoiseArray(void);
/// Returns true if the chunk is outside of the island's dimensions
bool IsChunkOutsideRange(int a_ChunkX, int a_ChunkZ);
// cTerrainHeightGen /*override*/s:
virtual void GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMap & a_HeightMap) /*override*/;
// cTerrainCompositionGen /*override*/s:
virtual void ComposeTerrain(cChunkDesc & a_ChunkDesc) /*override*/;
virtual void InitializeCompoGen(cIniFile & a_IniFile) /*override*/;
} ;
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