void StaticMapTree::UnloadMapTile(uint32 tileX, uint32 tileY, VMapManager2* vm)
{
uint32 tileID = packTileID(tileX, tileY);
loadedTileMap::iterator tile = iLoadedTiles.find(tileID);
if (tile == iLoadedTiles.end())
{
VMAP_ERROR_LOG("misc", "StaticMapTree::UnloadMapTile() : trying to unload non-loaded tile - Map:%u X:%u Y:%u", iMapID, tileX, tileY);
return;
}
if (tile->second) // file associated with tile
{
std::string tilefile = iBasePath + getTileFileName(iMapID, tileX, tileY);
FILE* tf = fopen(tilefile.c_str(), "rb");
if (tf)
{
bool result=true;
char chunk[8];
if (!readChunk(tf, chunk, VMAP_MAGIC, 8))
result = false;
uint32 numSpawns;
if (fread(&numSpawns, sizeof(uint32), 1, tf) != 1)
result = false;
for (uint32 i=0; i<numSpawns && result; ++i)
{
// read model spawns
ModelSpawn spawn;
result = ModelSpawn::readFromFile(tf, spawn);
if (result)
{
// release model instance
vm->releaseModelInstance(spawn.name);
// update tree
uint32 referencedNode;
if (fread(&referencedNode, sizeof(uint32), 1, tf) != 1)
result = false;
else
{
if (!iLoadedSpawns.count(referencedNode))
VMAP_ERROR_LOG("misc", "StaticMapTree::UnloadMapTile() : trying to unload non-referenced model '%s' (ID:%u)", spawn.name.c_str(), spawn.ID);
else if (--iLoadedSpawns[referencedNode] == 0)
{
iTreeValues[referencedNode].setUnloaded();
iLoadedSpawns.erase(referencedNode);
}
}
}
}
fclose(tf);
}
}
iLoadedTiles.erase(tile);
TC_METRIC_EVENT("map_events", "UnloadMapTile",
"Map: " + std::to_string(iMapID) + " TileX: " + std::to_string(tileX) + " TileY: " + std::to_string(tileY));
}
bool StaticMapTree::InitMap(const std::string &fname, VMapManager2* vm)
{
VMAP_DEBUG_LOG(LOG_FILTER_MAPS, "StaticMapTree::InitMap() : initializing StaticMapTree '%s'", fname.c_str());
bool success = true;
std::string fullname = iBasePath + fname;
FILE* rf = fopen(fullname.c_str(), "rb");
if (!rf)
return false;
else
{
char chunk[8];
//general info
if (!readChunk(rf, chunk, VMAP_MAGIC, 8)) success = false;
char tiled = '\0';
if (success && fread(&tiled, sizeof(char), 1, rf) != 1) success = false;
iIsTiled = bool(tiled);
// Nodes
if (success && !readChunk(rf, chunk, "NODE", 4)) success = false;
if (success) success = iTree.readFromFile(rf);
if (success)
{
iNTreeValues = iTree.primCount();
iTreeValues = new ModelInstance[iNTreeValues];
}
if (success && !readChunk(rf, chunk, "GOBJ", 4)) success = false;
// global model spawns
// only non-tiled maps have them, and if so exactly one (so far at least...)
ModelSpawn spawn;
#ifdef VMAP_DEBUG
sLog->outDebug(LOG_FILTER_MAPS, "StaticMapTree::InitMap() : map isTiled: %u", static_cast<uint32>(iIsTiled));
#endif
if (!iIsTiled && ModelSpawn::readFromFile(rf, spawn))
{
WorldModel* model = vm->acquireModelInstance(iBasePath, spawn.name);
VMAP_DEBUG_LOG(LOG_FILTER_MAPS, "StaticMapTree::InitMap() : loading %s", spawn.name.c_str());
if (model)
{
// assume that global model always is the first and only tree value (could be improved...)
iTreeValues[0] = ModelInstance(spawn, model);
iLoadedSpawns[0] = 1;
}
else
{
success = false;
VMAP_ERROR_LOG(LOG_FILTER_GENERAL, "StaticMapTree::InitMap() : could not acquire WorldModel pointer for '%s'", spawn.name.c_str());
}
}
fclose(rf);
}
return success;
}
void VMapManager2::releaseModelInstance(const std::string &filename)
{
//! Critical section, thread safe access to iLoadedModelFiles
std::lock_guard<std::mutex> lock(LoadedModelFilesLock);
ModelFileMap::iterator model = iLoadedModelFiles.find(filename);
if (model == iLoadedModelFiles.end())
{
VMAP_ERROR_LOG("misc", "VMapManager2: trying to unload non-loaded file '%s'", filename.c_str());
return;
}
if (model->second.decRefCount() == 0)
{
VMAP_DEBUG_LOG("maps", "VMapManager2: unloading file '%s'", filename.c_str());
delete model->second.getModel();
iLoadedModelFiles.erase(model);
}
}
void VMapManager2::releaseModelInstance(const std::string &filename)
{
//! Critical section, thread safe access to iLoadedModelFiles
TRINITY_GUARD(ACE_Thread_Mutex, LoadedModelFilesLock);
ModelFileMap::iterator model = iLoadedModelFiles.find(filename);
if (model == iLoadedModelFiles.end())
{
VMAP_ERROR_LOG(LOG_FILTER_GENERAL, "VMapManager2: trying to unload non-loaded file '%s'", filename.c_str());
return;
}
if (model->second.decRefCount() == 0)
{
VMAP_DEBUG_LOG(LOG_FILTER_MAPS, "VMapManager2: unloading file '%s'", filename.c_str());
delete model->second.getModel();
iLoadedModelFiles.erase(model);
}
}
WorldModel* VMapManager2::acquireModelInstance(const std::string& basepath, const std::string& filename)
{
//! Critical section, thread safe access to iLoadedModelFiles
std::lock_guard<std::mutex> lock(LoadedModelFilesLock);
ModelFileMap::iterator model = iLoadedModelFiles.find(filename);
if (model == iLoadedModelFiles.end())
{
WorldModel* worldmodel = new WorldModel();
if (!worldmodel->readFile(basepath + filename + ".vmo"))
{
VMAP_ERROR_LOG("misc", "VMapManager2: could not load '%s%s.vmo'", basepath.c_str(), filename.c_str());
delete worldmodel;
return NULL;
}
VMAP_DEBUG_LOG("maps", "VMapManager2: loading file '%s%s'", basepath.c_str(), filename.c_str());
model = iLoadedModelFiles.insert(std::pair<std::string, ManagedModel>(filename, ManagedModel())).first;
model->second.setModel(worldmodel);
}
model->second.incRefCount();
return model->second.getModel();
}
bool StaticMapTree::LoadMapTile(uint32 tileX, uint32 tileY, VMapManager2* vm)
{
if (!iIsTiled)
{
// currently, core creates grids for all maps, whether it has terrain tiles or not
// so we need "fake" tile loads to know when we can unload map geometry
iLoadedTiles[packTileID(tileX, tileY)] = false;
return true;
}
if (!iTreeValues)
{
VMAP_ERROR_LOG("misc", "StaticMapTree::LoadMapTile() : tree has not been initialized [%u, %u]", tileX, tileY);
return false;
}
bool result = true;
std::string tilefile = iBasePath + getTileFileName(iMapID, tileX, tileY);
FILE* tf = fopen(tilefile.c_str(), "rb");
if (tf)
{
char chunk[8];
if (!readChunk(tf, chunk, VMAP_MAGIC, 8))
result = false;
uint32 numSpawns = 0;
if (result && fread(&numSpawns, sizeof(uint32), 1, tf) != 1)
result = false;
for (uint32 i=0; i<numSpawns && result; ++i)
{
// read model spawns
ModelSpawn spawn;
result = ModelSpawn::readFromFile(tf, spawn);
if (result)
{
// acquire model instance
WorldModel* model = vm->acquireModelInstance(iBasePath, spawn.name);
if (!model)
VMAP_ERROR_LOG("misc", "StaticMapTree::LoadMapTile() : could not acquire WorldModel pointer [%u, %u]", tileX, tileY);
// update tree
uint32 referencedVal;
if (fread(&referencedVal, sizeof(uint32), 1, tf) == 1)
{
if (!iLoadedSpawns.count(referencedVal))
{
#ifdef VMAP_DEBUG
if (referencedVal > iNTreeValues)
{
TC_LOG_DEBUG("maps", "StaticMapTree::LoadMapTile() : invalid tree element (%u/%u)", referencedVal, iNTreeValues);
continue;
}
#endif
iTreeValues[referencedVal] = ModelInstance(spawn, model);
iLoadedSpawns[referencedVal] = 1;
}
else
{
++iLoadedSpawns[referencedVal];
#ifdef VMAP_DEBUG
if (iTreeValues[referencedVal].ID != spawn.ID)
TC_LOG_DEBUG("maps", "StaticMapTree::LoadMapTile() : trying to load wrong spawn in node");
else if (iTreeValues[referencedVal].name != spawn.name)
TC_LOG_DEBUG("maps", "StaticMapTree::LoadMapTile() : name collision on GUID=%u", spawn.ID);
#endif
}
}
else
result = false;
}
}
iLoadedTiles[packTileID(tileX, tileY)] = true;
fclose(tf);
}
else
iLoadedTiles[packTileID(tileX, tileY)] = false;
return result;
}
