69 lines
1.6 KiB
C++
69 lines
1.6 KiB
C++
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// LuaChunkStay.h
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// Declares the cLuaChunkStay class representing a cChunkStay binding for plugins, used by cWorld:ChunkStay() Lua API
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#pragma once
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#include "LuaState.h"
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#include "../ChunkStay.h"
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// fwd:
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class cChunkMap;
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class cLuaChunkStay:
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public cChunkStay
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{
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using Super = cChunkStay;
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public:
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cLuaChunkStay();
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virtual ~cLuaChunkStay() override { }
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/** Adds chunks in the specified Lua table.
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Can be called only once.
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Returns true if any chunk added, false (plus log warning) if none. */
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bool AddChunks(const cLuaState::cStackTable & a_ChunkCoords);
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/** Enables the ChunkStay for the specified chunkmap, with the specified Lua callbacks. */
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void Enable(cChunkMap & a_ChunkMap, cLuaState::cCallbackPtr a_OnChunkAvailable, cLuaState::cCallbackPtr a_OnAllChunksAvailable);
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protected:
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/** The Lua function to call in OnChunkAvailable. Only valid when enabled. */
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cLuaState::cCallbackPtr m_OnChunkAvailable;
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/** The Lua function to call in OnAllChunksAvailable. Only valid when enabled. */
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cLuaState::cCallbackPtr m_OnAllChunksAvailable;
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// cChunkStay overrides:
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virtual void OnChunkAvailable(int a_ChunkX, int a_ChunkZ) override;
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virtual bool OnAllChunksAvailable(void) override;
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virtual void OnDisabled(void) override;
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/** Adds a single chunk coord from the table at the top of the Lua stack.
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Expects the top element to be a table, checks that it contains two numbers.
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Uses those two numbers as chunk coords appended to m_Chunks.
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If the coords are already present, gives a warning and ignores the pair.
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The a_Index parameter is only for the error messages. */
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void AddChunkCoord(cLuaState & a_LuaState, int a_Index);
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} ;
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