53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
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#pragma once
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class cWorld;
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/** Generates and lights the spawn area of the world. Runs as a separate thread. */
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class cSpawnPrepare:
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public std::enable_shared_from_this<cSpawnPrepare>
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{
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/** Private tag allows public constructors that can only be used with private access. */
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struct sMakeSharedTag {};
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public:
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cSpawnPrepare(cWorld & a_World, int a_SpawnChunkX, int a_SpawnChunkZ, int a_PrepareDistance, int a_FirstIdx, sMakeSharedTag);
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static void PrepareChunks(cWorld & a_World, int a_SpawnChunkX, int a_SpawnChunkZ, int a_PrepareDistance);
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protected:
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cWorld & m_World;
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int m_SpawnChunkX;
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int m_SpawnChunkZ;
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int m_PrepareDistance;
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/** The index of the next chunk to be queued in the lighting thread. */
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int m_NextIdx;
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/** The maximum index of the prepared chunks. Queueing stops when m_NextIdx reaches this number. */
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int m_MaxIdx;
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/** Total number of chunks already finished preparing. Preparation finishes when this number reaches m_MaxIdx. */
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std::atomic<int> m_NumPrepared;
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/** Event used to signal that the preparation is finished. */
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cEvent m_EvtFinished;
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/** The timestamp of the last progress report emitted. */
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std::chrono::steady_clock::time_point m_LastReportTime;
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/** Number of chunks prepared when the last progress report was emitted. */
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int m_LastReportChunkCount;
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void PreparedChunkCallback(int a_ChunkX, int a_ChunkZ);
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/** Decodes the index into chunk coords. Provides the specific chunk ordering. */
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void DecodeChunkCoords(int a_Idx, int & a_ChunkX, int & a_ChunkZ);
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friend class cSpawnPrepareCallback;
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};
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