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https://github.com/mod-playerbots/azerothcore-wotlk.git
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91 lines
3.0 KiB
C++
91 lines
3.0 KiB
C++
/*
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* Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license: http://github.com/azerothcore/azerothcore-wotlk/LICENSE-GPL2
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* Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
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* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
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*/
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#ifndef _MMAP_MANAGER_H
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#define _MMAP_MANAGER_H
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#include "UnorderedMap.h"
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#include "DetourAlloc.h"
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#include "DetourNavMesh.h"
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#include "DetourNavMeshQuery.h"
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#include "World.h"
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// memory management
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inline void* dtCustomAlloc(int size, dtAllocHint /*hint*/)
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{
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return (void*)new unsigned char[size];
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}
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inline void dtCustomFree(void* ptr)
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{
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delete [] (unsigned char*)ptr;
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}
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// move map related classes
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namespace MMAP
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{
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typedef UNORDERED_MAP<uint32, dtTileRef> MMapTileSet;
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typedef UNORDERED_MAP<uint32, dtNavMeshQuery*> NavMeshQuerySet;
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// dummy struct to hold map's mmap data
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struct MMapData
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{
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MMapData(dtNavMesh* mesh) : navMesh(mesh) {}
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~MMapData()
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{
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for (NavMeshQuerySet::iterator i = navMeshQueries.begin(); i != navMeshQueries.end(); ++i)
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dtFreeNavMeshQuery(i->second);
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if (navMesh)
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dtFreeNavMesh(navMesh);
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}
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dtNavMesh* navMesh;
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// we have to use single dtNavMeshQuery for every instance, since those are not thread safe
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NavMeshQuerySet navMeshQueries; // instanceId to query
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MMapTileSet mmapLoadedTiles; // maps [map grid coords] to [dtTile]
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};
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typedef UNORDERED_MAP<uint32, MMapData*> MMapDataSet;
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// singleton class
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// holds all all access to mmap loading unloading and meshes
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class MMapManager
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{
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public:
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MMapManager() : loadedTiles(0) {}
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~MMapManager();
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bool loadMap(uint32 mapId, int32 x, int32 y);
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bool unloadMap(uint32 mapId, int32 x, int32 y);
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bool unloadMap(uint32 mapId);
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bool unloadMapInstance(uint32 mapId, uint32 instanceId);
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// the returned [dtNavMeshQuery const*] is NOT threadsafe
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dtNavMeshQuery const* GetNavMeshQuery(uint32 mapId, uint32 instanceId);
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dtNavMesh const* GetNavMesh(uint32 mapId);
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uint32 getLoadedTilesCount() const { return loadedTiles; }
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uint32 getLoadedMapsCount() const { return loadedMMaps.size(); }
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ACE_RW_Thread_Mutex& GetMMapLock(uint32 mapId);
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ACE_RW_Thread_Mutex& GetMMapGeneralLock() { return MMapLock; } // pussywizard: in case a per-map mutex can't be found, should never happen
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ACE_RW_Thread_Mutex& GetManagerLock() { return MMapManagerLock; }
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private:
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bool loadMapData(uint32 mapId);
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uint32 packTileID(int32 x, int32 y);
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MMapDataSet loadedMMaps;
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uint32 loadedTiles;
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ACE_RW_Thread_Mutex MMapManagerLock;
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ACE_RW_Thread_Mutex MMapLock; // pussywizard: in case a per-map mutex can't be found, should never happen
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};
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}
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#endif |