mirror of
https://github.com/mangosfour/server.git
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d3606fb4ee
Authors of this are Faramir118 and qsa. Also thanks to many others for testing and suggestions!
108 lines
3.5 KiB
C++
108 lines
3.5 KiB
C++
/*
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* Copyright (C) 2005-2012 MaNGOS <http://getmangos.com/>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _MOVE_MAP_H
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#define _MOVE_MAP_H
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#include "Utilities/UnorderedMapSet.h"
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#include "../../dep/recastnavigation/Detour/Include/DetourAlloc.h"
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#include "../../dep/recastnavigation/Detour/Include/DetourNavMesh.h"
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#include "../../dep/recastnavigation/Detour/Include/DetourNavMeshQuery.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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// singelton 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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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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};
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// static class
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// holds all mmap global data
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// access point to MMapManager singelton
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class MMapFactory
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{
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public:
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static MMapManager* createOrGetMMapManager();
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static void clear();
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static void preventPathfindingOnMaps(const char* ignoreMapIds);
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static bool IsPathfindingEnabled(uint32 mapId);
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};
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}
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#endif // _MOVE_MAP_H
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