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#pragma once
// fwd:
class cIniFile;
class cChunkDesc;
/** The interface that all chunk generators must implement to provide the generated chunks.
Also a static factory that creates the descendants based on INI file settings.
The cChunkGeneratorThread uses this interface to generate chunks for a single world.
Ths calls to generate chunks are synchronous - they don't return until the chunk is fully generated. */
class cChunkGenerator
{
public:
virtual ~cChunkGenerator() {} // Force a virtual destructor
/** Called to initialize the generator on server startup.
Descendants should call Super::Initialize() before initializing themselves. */
virtual void Initialize(cIniFile & a_IniFile);
/** Generates the biomes for the specified chunk.
Used by the world loader if biomes failed loading. */
virtual void GenerateBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap) = 0;
/** Returns the biome at the specified coords.
Used by ChunkMap if an invalid chunk is queried for biome.
The default implementation uses GenerateBiomes(). */
virtual EMCSBiome GetBiomeAt(int a_BlockX, int a_BlockZ);
/** Does the actual chunk generation.
Descendants need to override this and generate into a_ChunkDesc. */
virtual void Generate(int a_ChunkX, int a_ChunkZ, cChunkDesc & a_ChunkDesc) = 0;
/** Returns the seed that was read from the INI file. */
int GetSeed(void) const { return m_Seed; }
/** Creates and initializes the entire generator based on the settings in the INI file.
Initializes the generator, so that it can be used immediately after this call returns. */
static std::unique_ptr<cChunkGenerator> CreateFromIniFile(cIniFile & a_IniFile);
protected:
/** The main seed, read from the INI file, used for the entire generator. */
int m_Seed;
};
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