71 lines
2.1 KiB
C++
71 lines
2.1 KiB
C++
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// ChunkDataCallback.h
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// Declares the cChunkDataCallback interface and several trivial descendants, for reading chunk data
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#pragma once
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#include "ChunkData.h"
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/** Interface class used for getting data out of a chunk using the GetAllData() function.
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Implementation must use the pointers immediately and NOT store any of them for later use
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The virtual methods are called in the same order as they're declared here. */
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class cChunkDataCallback abstract
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{
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public:
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virtual ~cChunkDataCallback() {}
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/** Called before any other callbacks to inform of the current coords
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(only in processes where multiple chunks can be processed, such as cWorld::ForEachChunkInRect()).
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If false is returned, the chunk is skipped. */
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virtual bool Coords(int a_ChunkX, int a_ChunkZ) { UNUSED(a_ChunkX); UNUSED(a_ChunkZ); return true; }
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/** Called once to let know if the chunk lighting is valid. Return value is ignored */
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virtual void LightIsValid(bool a_IsLightValid) { UNUSED(a_IsLightValid); }
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/** Called once to export block data. */
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virtual void ChunkData(const ChunkBlockData & a_BlockData, const ChunkLightData & a_LightData) { UNUSED(a_BlockData); UNUSED(a_LightData); }
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/** Called once to provide heightmap data. */
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virtual void HeightMap(const cChunkDef::HeightMap & a_HeightMap) { UNUSED(a_HeightMap); }
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/** Called once to provide biome data. */
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virtual void BiomeMap(const cChunkDef::BiomeMap & a_BiomeMap) { UNUSED(a_BiomeMap); }
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/** Called for each entity in the chunk */
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virtual void Entity(cEntity * a_Entity) { UNUSED(a_Entity); }
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/** Called for each blockentity in the chunk */
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virtual void BlockEntity(cBlockEntity * a_Entity) { UNUSED(a_Entity); }
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} ;
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/** A simple implementation of the cChunkDataCallback interface that just copies the cChunkData */
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class cChunkDataCopyCollector :
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public cChunkDataCallback
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{
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public:
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ChunkBlockData m_BlockData;
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ChunkLightData m_LightData;
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private:
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virtual void ChunkData(const ChunkBlockData & a_BlockData, const ChunkLightData & a_LightData) override
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{
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m_BlockData.Assign(a_BlockData);
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m_LightData.Assign(a_LightData);
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}
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};
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