mirror of
https://github.com/mod-playerbots/azerothcore-wotlk.git
synced 2026-01-13 17:19:07 +00:00
351 lines
12 KiB
C++
351 lines
12 KiB
C++
/*
|
|
* This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU Affero General Public License as published by the
|
|
* Free Software Foundation; either version 3 of the License, or (at your
|
|
* option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "MMapMgr.h"
|
|
#include "Config.h"
|
|
#include "Errors.h"
|
|
#include "Log.h"
|
|
#include "MapDefines.h"
|
|
|
|
namespace MMAP
|
|
{
|
|
static char const* const MAP_FILE_NAME_FORMAT = "%s/mmaps/%03i.mmap";
|
|
static char const* const TILE_FILE_NAME_FORMAT = "%s/mmaps/%03i%02i%02i.mmtile";
|
|
|
|
// ######################## MMapMgr ########################
|
|
MMapMgr::~MMapMgr()
|
|
{
|
|
for (MMapDataSet::iterator i = loadedMMaps.begin(); i != loadedMMaps.end(); ++i)
|
|
{
|
|
delete i->second;
|
|
}
|
|
|
|
// by now we should not have maps loaded
|
|
// if we had, tiles in MMapData->mmapLoadedTiles, their actual data is lost!
|
|
}
|
|
|
|
void MMapMgr::InitializeThreadUnsafe(const std::vector<uint32>& mapIds)
|
|
{
|
|
// the caller must pass the list of all mapIds that will be used in the VMapMgr2 lifetime
|
|
for (const uint32& mapId : mapIds)
|
|
{
|
|
loadedMMaps.emplace(mapId, nullptr);
|
|
}
|
|
|
|
thread_safe_environment = false;
|
|
}
|
|
|
|
MMapDataSet::const_iterator MMapMgr::GetMMapData(uint32 mapId) const
|
|
{
|
|
// return the iterator if found or end() if not found/NULL
|
|
MMapDataSet::const_iterator itr = loadedMMaps.find(mapId);
|
|
if (itr != loadedMMaps.cend() && !itr->second)
|
|
{
|
|
itr = loadedMMaps.cend();
|
|
}
|
|
|
|
return itr;
|
|
}
|
|
|
|
bool MMapMgr::loadMapData(uint32 mapId)
|
|
{
|
|
// we already have this map loaded?
|
|
MMapDataSet::iterator itr = loadedMMaps.find(mapId);
|
|
if (itr != loadedMMaps.end())
|
|
{
|
|
if (itr->second)
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (thread_safe_environment)
|
|
{
|
|
itr = loadedMMaps.insert(MMapDataSet::value_type(mapId, nullptr)).first;
|
|
}
|
|
else
|
|
{
|
|
ABORT("Invalid mapId {} passed to MMapMgr after startup in thread unsafe environment", mapId);
|
|
}
|
|
}
|
|
|
|
// load and init dtNavMesh - read parameters from file
|
|
std::string fileName = Acore::StringFormat(MAP_FILE_NAME_FORMAT, sConfigMgr->GetOption<std::string>("DataDir", ".").c_str(), mapId);
|
|
|
|
FILE* file = fopen(fileName.c_str(), "rb");
|
|
if (!file)
|
|
{
|
|
LOG_DEBUG("maps", "MMAP:loadMapData: Error: Could not open mmap file '{}'", fileName);
|
|
return false;
|
|
}
|
|
|
|
dtNavMeshParams params;
|
|
uint32 count = uint32(fread(¶ms, sizeof(dtNavMeshParams), 1, file));
|
|
fclose(file);
|
|
if (count != 1)
|
|
{
|
|
LOG_DEBUG("maps", "MMAP:loadMapData: Error: Could not read params from file '{}'", fileName);
|
|
return false;
|
|
}
|
|
|
|
dtNavMesh* mesh = dtAllocNavMesh();
|
|
ASSERT(mesh);
|
|
if (DT_SUCCESS != mesh->init(¶ms))
|
|
{
|
|
dtFreeNavMesh(mesh);
|
|
LOG_ERROR("maps", "MMAP:loadMapData: Failed to initialize dtNavMesh for mmap {:03} from file {}", mapId, fileName);
|
|
return false;
|
|
}
|
|
|
|
LOG_DEBUG("maps", "MMAP:loadMapData: Loaded {:03}.mmap", mapId);
|
|
|
|
// store inside our map list
|
|
MMapData* mmap_data = new MMapData(mesh);
|
|
itr->second = mmap_data;
|
|
return true;
|
|
}
|
|
|
|
uint32 MMapMgr::packTileID(int32 x, int32 y)
|
|
{
|
|
return uint32(x << 16 | y);
|
|
}
|
|
|
|
bool MMapMgr::loadMap(uint32 mapId, int32 x, int32 y)
|
|
{
|
|
// make sure the mmap is loaded and ready to load tiles
|
|
if (!loadMapData(mapId))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// get this mmap data
|
|
MMapData* mmap = loadedMMaps[mapId];
|
|
ASSERT(mmap->navMesh);
|
|
|
|
// check if we already have this tile loaded
|
|
uint32 packedGridPos = packTileID(x, y);
|
|
if (mmap->loadedTileRefs.find(packedGridPos) != mmap->loadedTileRefs.end())
|
|
{
|
|
// Peiru: Commented out for now because Playerbots system uses this method to load or check loaded maps and will spam logs
|
|
// LOG_ERROR("maps", "MMAP:loadMap: Asked to load already loaded navmesh tile. {:03}{:02}{:02}.mmtile", mapId, x, y);
|
|
return false;
|
|
}
|
|
|
|
// load this tile :: mmaps/MMMXXYY.mmtile
|
|
std::string fileName = Acore::StringFormat(TILE_FILE_NAME_FORMAT, sConfigMgr->GetOption<std::string>("DataDir", ".").c_str(), mapId, x, y);
|
|
FILE* file = fopen(fileName.c_str(), "rb");
|
|
if (!file)
|
|
{
|
|
LOG_DEBUG("maps", "MMAP:loadMap: Could not open mmtile file '{}'", fileName);
|
|
return false;
|
|
}
|
|
|
|
// read header
|
|
MmapTileHeader fileHeader;
|
|
if (fread(&fileHeader, sizeof(MmapTileHeader), 1, file) != 1 || fileHeader.mmapMagic != MMAP_MAGIC)
|
|
{
|
|
LOG_ERROR("maps", "MMAP:loadMap: Bad header in mmap {:03}{:02}{:02}.mmtile", mapId, x, y);
|
|
fclose(file);
|
|
return false;
|
|
}
|
|
|
|
if (fileHeader.mmapVersion != MMAP_VERSION)
|
|
{
|
|
LOG_ERROR("maps", "MMAP:loadMap: {:03}{:02}{:02}.mmtile was built with generator v{}, expected v{}",
|
|
mapId, x, y, fileHeader.mmapVersion, MMAP_VERSION);
|
|
fclose(file);
|
|
return false;
|
|
}
|
|
|
|
unsigned char* data = (unsigned char*)dtAlloc(fileHeader.size, DT_ALLOC_PERM);
|
|
ASSERT(data);
|
|
|
|
std::size_t result = fread(data, fileHeader.size, 1, file);
|
|
if (!result)
|
|
{
|
|
LOG_ERROR("maps", "MMAP:loadMap: Bad header or data in mmap {:03}{:02}{:02}.mmtile", mapId, x, y);
|
|
fclose(file);
|
|
return false;
|
|
}
|
|
|
|
fclose(file);
|
|
|
|
dtTileRef tileRef = 0;
|
|
|
|
// memory allocated for data is now managed by detour, and will be deallocated when the tile is removed
|
|
if (dtStatusSucceed(mmap->navMesh->addTile(data, fileHeader.size, DT_TILE_FREE_DATA, 0, &tileRef)))
|
|
{
|
|
mmap->loadedTileRefs.insert(std::pair<uint32, dtTileRef>(packedGridPos, tileRef));
|
|
++loadedTiles;
|
|
dtMeshHeader* header = (dtMeshHeader*)data;
|
|
LOG_DEBUG("maps", "MMAP:loadMap: Loaded mmtile {:03}[{:02},{:02}] into {:03}[{:02},{:02}]", mapId, x, y, mapId, header->x, header->y);
|
|
return true;
|
|
}
|
|
|
|
LOG_ERROR("maps", "MMAP:loadMap: Could not load {:03}{:02}{:02}.mmtile into navmesh", mapId, x, y);
|
|
dtFree(data);
|
|
return false;
|
|
}
|
|
|
|
bool MMapMgr::unloadMap(uint32 mapId, int32 x, int32 y)
|
|
{
|
|
// check if we have this map loaded
|
|
MMapDataSet::const_iterator itr = GetMMapData(mapId);
|
|
if (itr == loadedMMaps.end())
|
|
{
|
|
// file may not exist, therefore not loaded
|
|
LOG_DEBUG("maps", "MMAP:unloadMap: Asked to unload not loaded navmesh map. {:03}{:02}{:02}.mmtile", mapId, x, y);
|
|
return false;
|
|
}
|
|
|
|
MMapData* mmap = itr->second;
|
|
|
|
// check if we have this tile loaded
|
|
uint32 packedGridPos = packTileID(x, y);
|
|
if (mmap->loadedTileRefs.find(packedGridPos) == mmap->loadedTileRefs.end())
|
|
{
|
|
// file may not exist, therefore not loaded
|
|
LOG_DEBUG("maps", "MMAP:unloadMap: Asked to unload not loaded navmesh tile. {:03}{:02}{:02}.mmtile", mapId, x, y);
|
|
return false;
|
|
}
|
|
|
|
dtTileRef tileRef = mmap->loadedTileRefs[packedGridPos];
|
|
|
|
// unload, and mark as non loaded
|
|
if (dtStatusFailed(mmap->navMesh->removeTile(tileRef, nullptr, nullptr)))
|
|
{
|
|
// this is technically a memory leak
|
|
// if the grid is later reloaded, dtNavMesh::addTile will return error but no extra memory is used
|
|
// we cannot recover from this error - assert out
|
|
LOG_ERROR("maps", "MMAP:unloadMap: Could not unload {:03}{:02}{:02}.mmtile from navmesh", mapId, x, y);
|
|
ABORT();
|
|
}
|
|
|
|
mmap->loadedTileRefs.erase(packedGridPos);
|
|
--loadedTiles;
|
|
LOG_DEBUG("maps", "MMAP:unloadMap: Unloaded mmtile {:03}[{:02},{:02}] from {:03}", mapId, x, y, mapId);
|
|
return true;
|
|
}
|
|
|
|
bool MMapMgr::unloadMap(uint32 mapId)
|
|
{
|
|
MMapDataSet::iterator itr = loadedMMaps.find(mapId);
|
|
if (itr == loadedMMaps.end() || !itr->second)
|
|
{
|
|
// file may not exist, therefore not loaded
|
|
LOG_DEBUG("maps", "MMAP:unloadMap: Asked to unload not loaded navmesh map {:03}", mapId);
|
|
return false;
|
|
}
|
|
|
|
// unload all tiles from given map
|
|
MMapData* mmap = itr->second;
|
|
for (auto& i : mmap->loadedTileRefs)
|
|
{
|
|
uint32 x = (i.first >> 16);
|
|
uint32 y = (i.first & 0x0000FFFF);
|
|
|
|
if (dtStatusFailed(mmap->navMesh->removeTile(i.second, nullptr, nullptr)))
|
|
{
|
|
LOG_ERROR("maps", "MMAP:unloadMap: Could not unload {:03}{:02}{:02}.mmtile from navmesh", mapId, x, y);
|
|
}
|
|
else
|
|
{
|
|
--loadedTiles;
|
|
LOG_DEBUG("maps", "MMAP:unloadMap: Unloaded mmtile {:03}[{:02},{:02}] from {:03}", mapId, x, y, mapId);
|
|
}
|
|
}
|
|
|
|
delete mmap;
|
|
itr->second = nullptr;
|
|
LOG_DEBUG("maps", "MMAP:unloadMap: Unloaded {:03}.mmap", mapId);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool MMapMgr::unloadMapInstance(uint32 mapId, uint32 instanceId)
|
|
{
|
|
// check if we have this map loaded
|
|
MMapDataSet::const_iterator itr = GetMMapData(mapId);
|
|
if (itr == loadedMMaps.end())
|
|
{
|
|
// file may not exist, therefore not loaded
|
|
LOG_DEBUG("maps", "MMAP:unloadMapInstance: Asked to unload not loaded navmesh map {:03}", mapId);
|
|
return false;
|
|
}
|
|
|
|
MMapData* mmap = itr->second;
|
|
if (mmap->navMeshQueries.find(instanceId) == mmap->navMeshQueries.end())
|
|
{
|
|
LOG_DEBUG("maps", "MMAP:unloadMapInstance: Asked to unload not loaded dtNavMeshQuery mapId {:03} instanceId {}", mapId, instanceId);
|
|
return false;
|
|
}
|
|
|
|
dtNavMeshQuery* query = mmap->navMeshQueries[instanceId];
|
|
|
|
dtFreeNavMeshQuery(query);
|
|
mmap->navMeshQueries.erase(instanceId);
|
|
LOG_DEBUG("maps", "MMAP:unloadMapInstance: Unloaded mapId {:03} instanceId {}", mapId, instanceId);
|
|
|
|
return true;
|
|
}
|
|
|
|
dtNavMesh const* MMapMgr::GetNavMesh(uint32 mapId)
|
|
{
|
|
MMapDataSet::const_iterator itr = GetMMapData(mapId);
|
|
if (itr == loadedMMaps.end())
|
|
{
|
|
return nullptr;
|
|
}
|
|
|
|
return itr->second->navMesh;
|
|
}
|
|
|
|
dtNavMeshQuery const* MMapMgr::GetNavMeshQuery(uint32 mapId, uint32 instanceId)
|
|
{
|
|
MMapDataSet::const_iterator itr = GetMMapData(mapId);
|
|
if (itr == loadedMMaps.end())
|
|
{
|
|
return nullptr;
|
|
}
|
|
|
|
MMapData* mmap = itr->second;
|
|
if (mmap->navMeshQueries.find(instanceId) == mmap->navMeshQueries.end())
|
|
{
|
|
// check again after acquiring mutex
|
|
if (mmap->navMeshQueries.find(instanceId) == mmap->navMeshQueries.end())
|
|
{
|
|
// allocate mesh query
|
|
dtNavMeshQuery* query = dtAllocNavMeshQuery();
|
|
ASSERT(query);
|
|
|
|
if (dtStatusFailed(query->init(mmap->navMesh, 1024)))
|
|
{
|
|
dtFreeNavMeshQuery(query);
|
|
LOG_ERROR("maps", "MMAP:GetNavMeshQuery: Failed to initialize dtNavMeshQuery for mapId {:03} instanceId {}", mapId, instanceId);
|
|
return nullptr;
|
|
}
|
|
|
|
LOG_DEBUG("maps", "MMAP:GetNavMeshQuery: created dtNavMeshQuery for mapId {:03} instanceId {}", mapId, instanceId);
|
|
mmap->navMeshQueries.insert(std::pair<uint32, dtNavMeshQuery*>(instanceId, query));
|
|
}
|
|
}
|
|
|
|
return mmap->navMeshQueries[instanceId];
|
|
}
|
|
}
|