bool StaticMapTree::InitMap(const std::string& fname, VMapManager2* vm)
{
DEBUG_FILTER_LOG(LOG_FILTER_MAP_LOADING, "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;
if (success && fread(&tiled, sizeof(char), 1, rf) != 1) success = false;
iIsTiled = !!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
DEBUG_LOG("Map isTiled: %u", static_cast<uint32>(iIsTiled));
#endif
if (!iIsTiled && ModelSpawn::readFromFile(rf, spawn))
{
WorldModel* model = vm->acquireModelInstance(iBasePath, spawn.name);
DEBUG_FILTER_LOG(LOG_FILTER_MAP_LOADING, "StaticMapTree::InitMap(): loading %s", spawn.name.c_str());
if (model)
{
model->setModelFlags(spawn.flags);
// 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;
ERROR_LOG("StaticMapTree::InitMap() could not acquire WorldModel pointer for '%s'!", spawn.name.c_str());
}
}
fclose(rf);
}
return success;
}
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)
{
ERROR_LOG("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;
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)
model->setModelFlags(spawn.flags);
else
ERROR_LOG("StaticMapTree::LoadMapTile() could not acquire WorldModel pointer for '%s'!", spawn.name.c_str());
// update tree
uint32 referencedVal;
fread(&referencedVal, sizeof(uint32), 1, tf);
if (!iLoadedSpawns.count(referencedVal))
{
if (referencedVal > iNTreeValues)
{
ERROR_LOG("invalid tree element! (%u/%u)", referencedVal, iNTreeValues);
continue;
}
iTreeValues[referencedVal] = ModelInstance(spawn, model);
iLoadedSpawns[referencedVal] = 1;
}
else
{
++iLoadedSpawns[referencedVal];
#ifdef VMAP_DEBUG
if (iTreeValues[referencedVal].ID != spawn.ID)
DEBUG_LOG("Error: trying to load wrong spawn in node!");
else if (iTreeValues[referencedVal].name != spawn.name)
DEBUG_LOG("Error: name mismatch on GUID=%u", spawn.ID);
#endif
}
}
}
iLoadedTiles[packTileID(tileX, tileY)] = true;
fclose(tf);
}
else
iLoadedTiles[packTileID(tileX, tileY)] = false;
return result;
}