static TileFileOpenResult OpenMapTileFile(string vmapPath, uint mapID, uint tileX, uint tileY, VMapManager vm)
{
TileFileOpenResult result = new TileFileOpenResult();
result.Name = vmapPath + GetTileFileName(mapID, tileX, tileY);
if (File.Exists(result.Name))
{
result.UsedMapId = mapID;
result.File = new FileStream(result.Name, FileMode.Open, FileAccess.Read);
return(result);
}
int parentMapId = vm.GetParentMapId(mapID);
while (parentMapId != -1)
{
result.Name = vmapPath + GetTileFileName((uint)parentMapId, tileX, tileY);
if (File.Exists(result.Name))
{
result.File = new FileStream(result.Name, FileMode.Open, FileAccess.Read);
result.UsedMapId = (uint)parentMapId;
return(result);
}
parentMapId = vm.GetParentMapId((uint)parentMapId);
}
return(result);
}
public void UnloadMapTile(uint tileX, uint tileY, VMapManager vm)
{
uint tileID = PackTileID(tileX, tileY);
var tile = iLoadedTiles.LookupByKey(tileID);
if (!iLoadedTiles.ContainsKey(tileID))
{
Log.outError(LogFilter.Server, "StaticMapTree.UnloadMapTile() : trying to unload non-loaded tile - Map:{0} X:{1} Y:{2}", iMapID, tileX, tileY);
return;
}
if (tile) // file associated with tile
{
TileFileOpenResult fileResult = OpenMapTileFile(VMapManager.VMapPath, iMapID, tileX, tileY, vm);
if (fileResult.File != null)
{
using (BinaryReader reader = new BinaryReader(fileResult.File))
{
bool result = true;
if (reader.ReadStringFromChars(8) != MapConst.VMapMagic)
{
result = false;
}
uint numSpawns = reader.ReadUInt32();
for (uint i = 0; i < numSpawns && result; ++i)
{
// read model spawns
ModelSpawn spawn;
result = ModelSpawn.ReadFromFile(reader, out spawn);
if (result)
{
// release model instance
vm.ReleaseModelInstance(spawn.name);
// update tree
if (iSpawnIndices.ContainsKey(spawn.Id))
{
uint referencedNode = iSpawnIndices[spawn.Id];
if (!iLoadedSpawns.ContainsKey(referencedNode))
{
Log.outError(LogFilter.Server, "StaticMapTree.UnloadMapTile() : trying to unload non-referenced model '{0}' (ID:{1})", spawn.name, spawn.Id);
}
else if (--iLoadedSpawns[referencedNode] == 0)
{
iTreeValues[referencedNode].SetUnloaded();
iLoadedSpawns.Remove(referencedNode);
}
}
else if (iMapID == fileResult.UsedMapId) // logic documented in StaticMapTree::LoadMapTile
{
result = false;
}
}
}
}
}
}
iLoadedTiles.Remove(tileID);
}
public LoadResult LoadMapTile(uint tileX, uint tileY, VMapManager vm)
{
if (iTreeValues == null)
{
Log.outError(LogFilter.Server, "StaticMapTree.LoadMapTile() : tree has not been initialized [{0}, {1}]", tileX, tileY);
return(LoadResult.ReadFromFileFailed);
}
LoadResult result = LoadResult.FileNotFound;
TileFileOpenResult fileResult = OpenMapTileFile(VMapManager.VMapPath, iMapID, tileX, tileY, vm);
if (fileResult.File != null)
{
result = LoadResult.Success;
using (BinaryReader reader = new BinaryReader(fileResult.File))
{
if (reader.ReadStringFromChars(8) != MapConst.VMapMagic)
{
result = LoadResult.VersionMismatch;
}
if (result == LoadResult.Success)
{
uint numSpawns = reader.ReadUInt32();
for (uint i = 0; i < numSpawns && result == LoadResult.Success; ++i)
{
// read model spawns
if (ModelSpawn.ReadFromFile(reader, out ModelSpawn spawn))
{
// acquire model instance
WorldModel model = vm.AcquireModelInstance(spawn.name, spawn.flags);
if (model == null)
{
Log.outError(LogFilter.Server, "StaticMapTree.LoadMapTile() : could not acquire WorldModel [{0}, {1}]", tileX, tileY);
}
// update tree
if (iSpawnIndices.ContainsKey(spawn.Id))
{
uint referencedVal = iSpawnIndices[spawn.Id];
if (!iLoadedSpawns.ContainsKey(referencedVal))
{
if (referencedVal >= iNTreeValues)
{
Log.outError(LogFilter.Maps, "StaticMapTree.LoadMapTile() : invalid tree element ({0}/{1}) referenced in tile {2}", referencedVal, iNTreeValues, fileResult.Name);
continue;
}
iTreeValues[referencedVal] = new ModelInstance(spawn, model);
iLoadedSpawns[referencedVal] = 1;
}
else
{
++iLoadedSpawns[referencedVal];
}
}
else if (iMapID == fileResult.UsedMapId)
{
// unknown parent spawn might appear in because it overlaps multiple tiles
// in case the original tile is swapped but its neighbour is now (adding this spawn)
// we want to not mark it as loading error and just skip that model
Log.outError(LogFilter.Maps, $"StaticMapTree.LoadMapTile() : invalid tree element (spawn {spawn.Id}) referenced in tile fileResult.Name{fileResult.Name} by map {iMapID}");
result = LoadResult.ReadFromFileFailed;
}
}
else
{
Log.outError(LogFilter.Maps, $"StaticMapTree.LoadMapTile() : cannot read model from file (spawn index {i}) referenced in tile {fileResult.Name} by map {iMapID}");
result = LoadResult.ReadFromFileFailed;
}
}
}
iLoadedTiles[PackTileID(tileX, tileY)] = true;
}
}
else
{
iLoadedTiles[PackTileID(tileX, tileY)] = false;
}
return(result);
}
