mirror of
https://github.com/TrinityCore/TrinityCore.git
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580 lines
22 KiB
C++
580 lines
22 KiB
C++
/*
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* Copyright (C) 2008-2015 TrinityCore <http://www.trinitycore.org/>
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* Copyright (C) 2005-2010 MaNGOS <http://getmangos.com/>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "MMapManager.h"
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#include "Log.h"
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#include "Config.h"
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#include "MMapFactory.h"
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namespace MMAP
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{
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static char const* const MAP_FILE_NAME_FORMAT = "%smmaps/%04i.mmap";
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static char const* const TILE_FILE_NAME_FORMAT = "%smmaps/%04i%02i%02i.mmtile";
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// ######################## MMapManager ########################
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MMapManager::~MMapManager()
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{
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for (MMapDataSet::iterator i = loadedMMaps.begin(); i != loadedMMaps.end(); ++i)
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delete i->second;
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// by now we should not have maps loaded
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// if we had, tiles in MMapData->mmapLoadedTiles, their actual data is lost!
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}
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void MMapManager::InitializeThreadUnsafe(std::unordered_map<uint32, std::vector<uint32>> const& mapData)
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{
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// the caller must pass the list of all mapIds that will be used in the MMapManager lifetime
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for (auto const& p : mapData)
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{
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loadedMMaps.insert(MMapDataSet::value_type(p.first, nullptr));
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if (!p.second.empty())
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{
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phaseMapData[p.first] = p.second;
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for (uint32 phasedMapId : p.second)
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_phaseTiles.insert(PhaseTileMap::value_type(phasedMapId, PhaseTileContainer()));
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}
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}
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thread_safe_environment = false;
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}
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MMapDataSet::const_iterator MMapManager::GetMMapData(uint32 mapId) const
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{
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// return the iterator if found or end() if not found/NULL
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MMapDataSet::const_iterator itr = loadedMMaps.find(mapId);
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if (itr != loadedMMaps.cend() && !itr->second)
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itr = loadedMMaps.cend();
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return itr;
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}
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bool MMapManager::loadMapData(uint32 mapId)
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{
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// we already have this map loaded?
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MMapDataSet::iterator itr = loadedMMaps.find(mapId);
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if (itr != loadedMMaps.end())
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{
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if (itr->second)
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return true;
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}
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else
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{
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if (thread_safe_environment)
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itr = loadedMMaps.insert(MMapDataSet::value_type(mapId, nullptr)).first;
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else
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ASSERT(false, "Invalid mapId %u passed to MMapManager after startup in thread unsafe environment", mapId);
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}
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// load and init dtNavMesh - read parameters from file
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std::string fileName = Trinity::StringFormat(MAP_FILE_NAME_FORMAT, sConfigMgr->GetStringDefault("DataDir", "./").c_str(), mapId);
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FILE* file = fopen(fileName.c_str(), "rb");
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if (!file)
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{
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TC_LOG_DEBUG("maps", "MMAP:loadMapData: Error: Could not open mmap file '%s'", fileName.c_str());
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return false;
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}
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dtNavMeshParams params;
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uint32 count = uint32(fread(¶ms, sizeof(dtNavMeshParams), 1, file));
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fclose(file);
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if (count != 1)
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{
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TC_LOG_DEBUG("maps", "MMAP:loadMapData: Error: Could not read params from file '%s'", fileName.c_str());
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return false;
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}
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dtNavMesh* mesh = dtAllocNavMesh();
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ASSERT(mesh);
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if (dtStatusFailed(mesh->init(¶ms)))
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{
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dtFreeNavMesh(mesh);
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TC_LOG_ERROR("maps", "MMAP:loadMapData: Failed to initialize dtNavMesh for mmap %04u from file %s", mapId, fileName.c_str());
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return false;
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}
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TC_LOG_DEBUG("maps", "MMAP:loadMapData: Loaded %04i.mmap", mapId);
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// store inside our map list
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MMapData* mmap_data = new MMapData(mesh, mapId);
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itr->second = mmap_data;
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return true;
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}
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uint32 MMapManager::packTileID(int32 x, int32 y)
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{
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return uint32(x << 16 | y);
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}
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bool MMapManager::loadMap(const std::string& /*basePath*/, uint32 mapId, int32 x, int32 y)
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{
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// make sure the mmap is loaded and ready to load tiles
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if (!loadMapData(mapId))
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return false;
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// get this mmap data
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MMapData* mmap = loadedMMaps[mapId];
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ASSERT(mmap->navMesh);
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// check if we already have this tile loaded
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uint32 packedGridPos = packTileID(x, y);
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if (mmap->loadedTileRefs.find(packedGridPos) != mmap->loadedTileRefs.end())
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return false;
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// load this tile :: mmaps/MMMMXXYY.mmtile
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std::string fileName = Trinity::StringFormat(TILE_FILE_NAME_FORMAT, sConfigMgr->GetStringDefault("DataDir", "./").c_str(), mapId, x, y);
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FILE* file = fopen(fileName.c_str(), "rb");
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if (!file)
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{
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TC_LOG_DEBUG("maps", "MMAP:loadMap: Could not open mmtile file '%s'", fileName.c_str());
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return false;
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}
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// read header
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MmapTileHeader fileHeader;
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if (fread(&fileHeader, sizeof(MmapTileHeader), 1, file) != 1 || fileHeader.mmapMagic != MMAP_MAGIC)
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{
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TC_LOG_ERROR("maps", "MMAP:loadMap: Bad header in mmap %04u%02i%02i.mmtile", mapId, x, y);
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fclose(file);
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return false;
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}
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if (fileHeader.mmapVersion != MMAP_VERSION)
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{
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TC_LOG_ERROR("maps", "MMAP:loadMap: %04u%02i%02i.mmtile was built with generator v%i, expected v%i",
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mapId, x, y, fileHeader.mmapVersion, MMAP_VERSION);
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fclose(file);
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return false;
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}
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unsigned char* data = (unsigned char*)dtAlloc(fileHeader.size, DT_ALLOC_PERM);
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ASSERT(data);
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size_t result = fread(data, fileHeader.size, 1, file);
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if (!result)
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{
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TC_LOG_ERROR("maps", "MMAP:loadMap: Bad header or data in mmap %04u%02i%02i.mmtile", mapId, x, y);
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fclose(file);
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return false;
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}
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fclose(file);
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dtMeshHeader* header = (dtMeshHeader*)data;
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dtTileRef tileRef = 0;
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// memory allocated for data is now managed by detour, and will be deallocated when the tile is removed
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if (dtStatusSucceed(mmap->navMesh->addTile(data, fileHeader.size, 0/*DT_TILE_FREE_DATA*/, 0, &tileRef)))
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{
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mmap->loadedTileRefs.insert(std::pair<uint32, dtTileRef>(packedGridPos, tileRef));
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++loadedTiles;
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TC_LOG_DEBUG("maps", "MMAP:loadMap: Loaded mmtile %04i[%02i, %02i] into %04i[%02i, %02i]", mapId, x, y, mapId, header->x, header->y);
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PhaseChildMapContainer::const_iterator phasedMaps = phaseMapData.find(mapId);
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if (phasedMaps != phaseMapData.end())
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LoadPhaseTiles(phasedMaps, x, y);
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return true;
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}
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TC_LOG_ERROR("maps", "MMAP:loadMap: Could not load %04u%02i%02i.mmtile into navmesh", mapId, x, y);
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dtFree(data);
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return false;
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}
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PhasedTile* MMapManager::LoadTile(uint32 mapId, int32 x, int32 y)
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{
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// load this tile :: mmaps/MMMXXYY.mmtile
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std::string fileName = Trinity::StringFormat(TILE_FILE_NAME_FORMAT, sConfigMgr->GetStringDefault("DataDir", "./").c_str(), mapId, x, y);
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FILE* file = fopen(fileName.c_str(), "rb");
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if (!file)
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{
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// Not all tiles have phased versions, don't flood this msg
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//TC_LOG_DEBUG("phase", "MMAP:LoadTile: Could not open mmtile file '%s'", fileName);
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return NULL;
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}
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PhasedTile* pTile = new PhasedTile();
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// read header
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if (fread(&pTile->fileHeader, sizeof(MmapTileHeader), 1, file) != 1 || pTile->fileHeader.mmapMagic != MMAP_MAGIC)
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{
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TC_LOG_ERROR("phase", "MMAP:LoadTile: Bad header in mmap %04u%02i%02i.mmtile", mapId, x, y);
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fclose(file);
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delete pTile;
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return nullptr;
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}
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if (pTile->fileHeader.mmapVersion != MMAP_VERSION)
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{
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TC_LOG_ERROR("phase", "MMAP:LoadTile: %04u%02i%02i.mmtile was built with generator v%i, expected v%i",
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mapId, x, y, pTile->fileHeader.mmapVersion, MMAP_VERSION);
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fclose(file);
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delete pTile;
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return nullptr;
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}
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pTile->data = (unsigned char*)dtAlloc(pTile->fileHeader.size, DT_ALLOC_PERM);
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ASSERT(pTile->data);
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size_t result = fread(pTile->data, pTile->fileHeader.size, 1, file);
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if (!result)
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{
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TC_LOG_ERROR("phase", "MMAP:LoadTile: Bad header or data in mmap %04u%02i%02i.mmtile", mapId, x, y);
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fclose(file);
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delete pTile;
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return nullptr;
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}
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fclose(file);
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return pTile;
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}
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void MMapManager::LoadPhaseTiles(PhaseChildMapContainer::const_iterator phasedMapData, int32 x, int32 y)
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{
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TC_LOG_DEBUG("phase", "MMAP:LoadPhaseTiles: Loading phased mmtiles for map %u, x: %i, y: %i", phasedMapData->first, x, y);
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uint32 packedGridPos = packTileID(x, y);
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for (uint32 phaseMapId : phasedMapData->second)
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{
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// only a few tiles have terrain swaps, do not write error for them
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if (PhasedTile* data = LoadTile(phaseMapId, x, y))
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{
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TC_LOG_DEBUG("phase", "MMAP:LoadPhaseTiles: Loaded phased %04u%02i%02i.mmtile for root phase map %u", phaseMapId, x, y, phasedMapData->first);
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_phaseTiles[phaseMapId][packedGridPos] = data;
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}
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}
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}
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void MMapManager::UnloadPhaseTile(PhaseChildMapContainer::const_iterator phasedMapData, int32 x, int32 y)
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{
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TC_LOG_DEBUG("phase", "MMAP:UnloadPhaseTile: Unloading phased mmtile for map %u, x: %i, y: %i", phasedMapData->first, x, y);
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uint32 packedGridPos = packTileID(x, y);
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for (uint32 phaseMapId : phasedMapData->second)
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{
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auto phasedTileItr = _phaseTiles.find(phaseMapId);
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if (phasedTileItr == _phaseTiles.end())
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continue;
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auto dataItr = phasedTileItr->second.find(packedGridPos);
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if (dataItr != phasedTileItr->second.end())
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{
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TC_LOG_DEBUG("phase", "MMAP:UnloadPhaseTile: Unloaded phased %04u%02i%02i.mmtile for root phase map %u", phaseMapId, x, y, phasedMapData->first);
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delete dataItr->second->data;
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delete dataItr->second;
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phasedTileItr->second.erase(dataItr);
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}
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}
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}
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bool MMapManager::unloadMap(uint32 mapId, int32 x, int32 y)
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{
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// check if we have this map loaded
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MMapDataSet::const_iterator itr = GetMMapData(mapId);
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if (itr == loadedMMaps.end())
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{
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// file may not exist, therefore not loaded
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TC_LOG_DEBUG("maps", "MMAP:unloadMap: Asked to unload not loaded navmesh map. %04u%02i%02i.mmtile", mapId, x, y);
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return false;
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}
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MMapData* mmap = itr->second;
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// check if we have this tile loaded
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uint32 packedGridPos = packTileID(x, y);
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if (mmap->loadedTileRefs.find(packedGridPos) == mmap->loadedTileRefs.end())
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{
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// file may not exist, therefore not loaded
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TC_LOG_DEBUG("maps", "MMAP:unloadMap: Asked to unload not loaded navmesh tile. %04u%02i%02i.mmtile", mapId, x, y);
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return false;
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}
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dtTileRef tileRef = mmap->loadedTileRefs[packedGridPos];
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// unload, and mark as non loaded
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if (dtStatusFailed(mmap->navMesh->removeTile(tileRef, NULL, NULL)))
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{
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// this is technically a memory leak
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// if the grid is later reloaded, dtNavMesh::addTile will return error but no extra memory is used
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// we cannot recover from this error - assert out
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TC_LOG_ERROR("maps", "MMAP:unloadMap: Could not unload %04u%02i%02i.mmtile from navmesh", mapId, x, y);
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ASSERT(false);
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}
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else
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{
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mmap->loadedTileRefs.erase(packedGridPos);
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--loadedTiles;
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TC_LOG_DEBUG("maps", "MMAP:unloadMap: Unloaded mmtile %03i[%02i, %02i] from %04i", mapId, x, y, mapId);
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PhaseChildMapContainer::const_iterator phasedMaps = phaseMapData.find(mapId);
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if (phasedMaps != phaseMapData.end())
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UnloadPhaseTile(phasedMaps, x, y);
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return true;
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}
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return false;
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}
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bool MMapManager::unloadMap(uint32 mapId)
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{
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MMapDataSet::iterator itr = loadedMMaps.find(mapId);
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if (itr == loadedMMaps.end() || !itr->second)
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{
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// file may not exist, therefore not loaded
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TC_LOG_DEBUG("maps", "MMAP:unloadMap: Asked to unload not loaded navmesh map %04u", mapId);
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return false;
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}
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// unload all tiles from given map
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MMapData* mmap = itr->second;
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for (MMapTileSet::iterator i = mmap->loadedTileRefs.begin(); i != mmap->loadedTileRefs.end(); ++i)
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{
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uint32 x = (i->first >> 16);
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uint32 y = (i->first & 0x0000FFFF);
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if (dtStatusFailed(mmap->navMesh->removeTile(i->second, NULL, NULL)))
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TC_LOG_ERROR("maps", "MMAP:unloadMap: Could not unload %04u%02i%02i.mmtile from navmesh", mapId, x, y);
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else
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{
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PhaseChildMapContainer::const_iterator phasedMaps = phaseMapData.find(mapId);
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if (phasedMaps != phaseMapData.end())
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UnloadPhaseTile(phasedMaps, x, y);
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--loadedTiles;
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TC_LOG_DEBUG("maps", "MMAP:unloadMap: Unloaded mmtile %04i[%02i, %02i] from %04i", mapId, x, y, mapId);
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}
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}
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delete mmap;
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itr->second = nullptr;
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TC_LOG_DEBUG("maps", "MMAP:unloadMap: Unloaded %04i.mmap", mapId);
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return true;
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}
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bool MMapManager::unloadMapInstance(uint32 mapId, uint32 instanceId)
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{
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// check if we have this map loaded
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MMapDataSet::const_iterator itr = GetMMapData(mapId);
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if (itr == loadedMMaps.end())
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{
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// file may not exist, therefore not loaded
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TC_LOG_DEBUG("maps", "MMAP:unloadMapInstance: Asked to unload not loaded navmesh map %04u", mapId);
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return false;
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}
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MMapData* mmap = itr->second;
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if (mmap->navMeshQueries.find(instanceId) == mmap->navMeshQueries.end())
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{
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TC_LOG_DEBUG("maps", "MMAP:unloadMapInstance: Asked to unload not loaded dtNavMeshQuery mapId %04u instanceId %u", mapId, instanceId);
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return false;
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}
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dtNavMeshQuery* query = mmap->navMeshQueries[instanceId];
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dtFreeNavMeshQuery(query);
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mmap->navMeshQueries.erase(instanceId);
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TC_LOG_DEBUG("maps", "MMAP:unloadMapInstance: Unloaded mapId %04u instanceId %u", mapId, instanceId);
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return true;
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}
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dtNavMesh const* MMapManager::GetNavMesh(uint32 mapId, TerrainSet swaps)
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{
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MMapDataSet::const_iterator itr = GetMMapData(mapId);
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if (itr == loadedMMaps.end())
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return NULL;
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return itr->second->GetNavMesh(swaps);
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}
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dtNavMeshQuery const* MMapManager::GetNavMeshQuery(uint32 mapId, uint32 instanceId, TerrainSet swaps)
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{
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MMapDataSet::const_iterator itr = GetMMapData(mapId);
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if (itr == loadedMMaps.end())
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return NULL;
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MMapData* mmap = itr->second;
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if (mmap->navMeshQueries.find(instanceId) == mmap->navMeshQueries.end())
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{
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// allocate mesh query
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dtNavMeshQuery* query = dtAllocNavMeshQuery();
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ASSERT(query);
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if (dtStatusFailed(query->init(mmap->GetNavMesh(swaps), 1024)))
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{
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dtFreeNavMeshQuery(query);
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TC_LOG_ERROR("maps", "MMAP:GetNavMeshQuery: Failed to initialize dtNavMeshQuery for mapId %04u instanceId %u", mapId, instanceId);
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return NULL;
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}
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TC_LOG_DEBUG("maps", "MMAP:GetNavMeshQuery: created dtNavMeshQuery for mapId %04u instanceId %u", mapId, instanceId);
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mmap->navMeshQueries.insert(std::pair<uint32, dtNavMeshQuery*>(instanceId, query));
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}
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return mmap->navMeshQueries[instanceId];
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}
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MMapData::MMapData(dtNavMesh* mesh, uint32 mapId)
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{
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navMesh = mesh;
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_mapId = mapId;
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}
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MMapData::~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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dtFreeNavMesh(navMesh);
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for (PhaseTileContainer::iterator i = _baseTiles.begin(); i != _baseTiles.end(); ++i)
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{
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delete (*i).second->data;
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delete (*i).second;
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}
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}
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void MMapData::RemoveSwap(PhasedTile* ptile, uint32 swap, uint32 packedXY)
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{
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uint32 x = (packedXY >> 16);
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uint32 y = (packedXY & 0x0000FFFF);
|
|
|
|
if (loadedPhasedTiles[swap].find(packedXY) == loadedPhasedTiles[swap].end())
|
|
{
|
|
TC_LOG_DEBUG("phase", "MMapData::RemoveSwap: mmtile %04u[%02i, %02i] unload skipped, due to not loaded", swap, x, y);
|
|
return;
|
|
}
|
|
dtMeshHeader* header = (dtMeshHeader*)ptile->data;
|
|
|
|
// remove old tile
|
|
if (dtStatusFailed(navMesh->removeTile(loadedTileRefs[packedXY], NULL, NULL)))
|
|
TC_LOG_ERROR("phase", "MMapData::RemoveSwap: Could not unload phased %04u%02i%02i.mmtile from navmesh", swap, x, y);
|
|
else
|
|
{
|
|
TC_LOG_DEBUG("phase", "MMapData::RemoveSwap: Unloaded phased %04u%02i%02i.mmtile from navmesh", swap, x, y);
|
|
|
|
// restore base tile
|
|
if (dtStatusSucceed(navMesh->addTile(_baseTiles[packedXY]->data, _baseTiles[packedXY]->dataSize, 0, 0, &loadedTileRefs[packedXY])))
|
|
{
|
|
TC_LOG_DEBUG("phase", "MMapData::RemoveSwap: Loaded base mmtile %04u[%02i, %02i] into %04i[%02i, %02i]", _mapId, x, y, _mapId, header->x, header->y);
|
|
}
|
|
else
|
|
TC_LOG_ERROR("phase", "MMapData::RemoveSwap: Could not load base %04u%02i%02i.mmtile to navmesh", _mapId, x, y);
|
|
}
|
|
|
|
loadedPhasedTiles[swap].erase(packedXY);
|
|
|
|
if (loadedPhasedTiles[swap].empty())
|
|
{
|
|
_activeSwaps.erase(swap);
|
|
TC_LOG_DEBUG("phase", "MMapData::RemoveSwap: Fully removed swap %u from map %u", swap, _mapId);
|
|
}
|
|
}
|
|
|
|
void MMapData::AddSwap(PhasedTile* ptile, uint32 swap, uint32 packedXY)
|
|
{
|
|
|
|
uint32 x = (packedXY >> 16);
|
|
uint32 y = (packedXY & 0x0000FFFF);
|
|
|
|
if (loadedTileRefs.find(packedXY) == loadedTileRefs.end())
|
|
{
|
|
TC_LOG_DEBUG("phase", "MMapData::AddSwap: phased mmtile %04u[%02i, %02i] load skipped, due to not loaded base tile on map %u", swap, x, y, _mapId);
|
|
return;
|
|
}
|
|
if (loadedPhasedTiles[swap].find(packedXY) != loadedPhasedTiles[swap].end())
|
|
{
|
|
TC_LOG_DEBUG("phase", "MMapData::AddSwap: WARNING! phased mmtile %04u[%02i, %02i] load skipped, due to already loaded on map %u", swap, x, y, _mapId);
|
|
return;
|
|
}
|
|
|
|
|
|
dtMeshHeader* header = (dtMeshHeader*)ptile->data;
|
|
|
|
const dtMeshTile* oldTile = navMesh->getTileByRef(loadedTileRefs[packedXY]);
|
|
|
|
if (!oldTile)
|
|
{
|
|
TC_LOG_DEBUG("phase", "MMapData::AddSwap: phased mmtile %04u[%02i, %02i] load skipped, due to not loaded base tile ref on map %u", swap, x, y, _mapId);
|
|
return;
|
|
}
|
|
|
|
// header xy is based on the swap map's tile set, wich doesn't have all the same tiles as root map, so copy the xy from the orignal header
|
|
header->x = oldTile->header->x;
|
|
header->y = oldTile->header->y;
|
|
|
|
// the removed tile's data
|
|
PhasedTile* pt = new PhasedTile();
|
|
// remove old tile
|
|
if (dtStatusFailed(navMesh->removeTile(loadedTileRefs[packedXY], &pt->data, &pt->dataSize)))
|
|
{
|
|
TC_LOG_ERROR("phase", "MMapData::AddSwap: Could not unload %04u%02i%02i.mmtile from navmesh", _mapId, x, y);
|
|
delete pt;
|
|
}
|
|
else
|
|
{
|
|
TC_LOG_DEBUG("phase", "MMapData::AddSwap: Unloaded %04u%02i%02i.mmtile from navmesh", _mapId, x, y);
|
|
|
|
// store the removed data first time, this is the origonal, non-phased tile
|
|
if (_baseTiles.find(packedXY) == _baseTiles.end())
|
|
_baseTiles[packedXY] = pt;
|
|
|
|
_activeSwaps.insert(swap);
|
|
loadedPhasedTiles[swap].insert(packedXY);
|
|
|
|
// add new swapped tile
|
|
if (dtStatusSucceed(navMesh->addTile(ptile->data, ptile->fileHeader.size, 0, 0, &loadedTileRefs[packedXY])))
|
|
{
|
|
TC_LOG_DEBUG("phase", "MMapData::AddSwap: Loaded phased mmtile %04u[%02i, %02i] into %04i[%02i, %02i]", swap, x, y, _mapId, header->x, header->y);
|
|
}
|
|
else
|
|
TC_LOG_ERROR("phase", "MMapData::AddSwap: Could not load %04u%02i%02i.mmtile to navmesh", swap, x, y);
|
|
}
|
|
}
|
|
|
|
dtNavMesh* MMapData::GetNavMesh(TerrainSet swaps)
|
|
{
|
|
std::set<uint32> activeSwaps = _activeSwaps; // _activeSwaps is modified inside RemoveSwap
|
|
for (uint32 swap : activeSwaps)
|
|
{
|
|
if (!swaps.count(swap)) // swap not active
|
|
{
|
|
if (PhaseTileContainer const* ptc = MMAP::MMapFactory::createOrGetMMapManager()->GetPhaseTileContainer(swap))
|
|
for (PhaseTileContainer::const_iterator itr = ptc->begin(); itr != ptc->end(); ++itr)
|
|
RemoveSwap(itr->second, swap, itr->first); // remove swap
|
|
}
|
|
}
|
|
|
|
// for each of the calling unit's terrain swaps
|
|
for (uint32 swap : swaps)
|
|
{
|
|
if (!_activeSwaps.count(swap)) // swap not active
|
|
{
|
|
// for each of the terrain swap's xy tiles
|
|
if (PhaseTileContainer const* ptc = MMAP::MMapFactory::createOrGetMMapManager()->GetPhaseTileContainer(swap))
|
|
for (PhaseTileContainer::const_iterator itr = ptc->begin(); itr != ptc->end(); ++itr)
|
|
AddSwap(itr->second, swap, itr->first); // add swap
|
|
}
|
|
}
|
|
|
|
return navMesh;
|
|
}
|
|
}
|