public static bool CreateRoom(string name, int size, int attr)
{
TableResult result = Warehouse.RoomsTable.Execute(TableOperation.Retrieve("Rooms", Config.SPECIAL_KEY));
DynamicTableEntity entity = (DynamicTableEntity)result.Result;
if (entity == null)
{
entity = new DynamicTableEntity("Rooms", Config.SPECIAL_KEY);
entity["nextid"] = new EntityProperty(0);
//entity["borderx"] = new EntityProperty(100);
entity["bordery"] = new EntityProperty(100);
Warehouse.RoomsTable.Execute(TableOperation.Insert(entity));
}
if (!entity.Properties.ContainsKey("borderny"))
{
entity["borderny"] = new EntityProperty(-100);
}
int next_id = (int)entity["nextid"].Int32Value;
createRoomNameEntry(next_id, name); // let it throw exception if the name already exists.
entity["nextid"].Int32Value = next_id + 1;
bool is_private = (attr & (int)RoomAttributes.IS_PRIVATE) != 0;
int entrance_x, entrance_y;
if (is_private)
{
entrance_x = Warehouse.Random.Next(1000, 10000);
entrance_y = Warehouse.Random.Next(-10000, -1000);
}
else
{
bool ny = (attr & (int)RoomAttributes.CAN_PICTURE) != 0;
int border_y = (int)entity[ny ? "borderny" : "bordery"].Int32Value;
int delta_y = ((int)((size - 1) / 2) + 1) * (ny ? -1 : 1);
entrance_x = ny ? -100 : 100;
entrance_y = border_y + delta_y;
entity[ny ? "borderny" : "bordery"].Int32Value = border_y + 2 * delta_y;
}
Warehouse.RoomsTable.Execute(TableOperation.Replace(entity)); // Throws StorageException ((412) Precondition Failed) if the entity is modified in between.
//
RoomInfoEntity ri_entity = new RoomInfoEntity(next_id, name, entrance_x, entrance_y, size, attr);
Warehouse.RoomsTable.Execute(TableOperation.Insert(ri_entity)); // StorageException: 遠端伺服器傳回一個錯誤: (409) 衝突。 if the key already exists.
//
if (!is_private)
{
RoomList.OnNewRoom(name);
}
RoomNameGuard.OnNewRoom(name);
return(true);
}
public RoomInfo(RoomInfoEntity entity)
{
this.Name = entity.Name;
this.Size = entity.Size;
this.Attr = entity.Attr;
this.CreateDate = entity.CreateDate;
this.HomeX = entity.HomeX;
this.HomeY = entity.HomeY;
this.EntranceX = entity.EntranceX;
this.EntranceY = entity.EntranceY;
}
private static void updateRoomHome(string name)
{
RoomInfoEntity entity = RoomStore.GetRoom(name);
if (entity != null)
{
int num_of_paths = DrawingStore.GetNumberOfPaths(entity.HomeX, entity.HomeY);
if (num_of_paths < Config.MOVE_HOME_THRESHOLD)
{
return;
}
#if GO_SLOWER
num_of_paths = DrawingStore.GetNumberOfPaths(entity.HomeX, entity.HomeY + 1);
if (num_of_paths < Config.MOVE_HOME_THRESHOLD)
{
return;
}
num_of_paths = DrawingStore.GetNumberOfPaths(entity.HomeX, entity.HomeY - 1);
if (num_of_paths < Config.MOVE_HOME_THRESHOLD)
{
return;
}
#endif
if (entity.HomeX < 0)
{
if (entity.HomeY < 0)
{
entity.HomeX--;
}
else
{
entity.HomeY++;
}
}
else
if (entity.HomeY < 0)
{
entity.HomeY--;
}
else
{
entity.HomeX++;
}
Warehouse.RoomsTable.Execute(TableOperation.Replace(entity)); // Throws StorageException ((412) Precondition Failed) if the entity is modified in between.
RoomsPond.Notify(name);
}
}
private static RoomInfo insertNew(string key, string name)
{
RoomInfoEntity entity = RoomStore.GetRoom(name); // if concurrency happens, this will be done more than once.
if (entity != null)
{
RoomInfo obj = new RoomInfo(entity);
HttpRuntime.Cache.Insert(key, obj, null, DateTime.Now.AddSeconds(Config.DEFAULT_CACHE_SECONDS),
Cache.NoSlidingExpiration, CacheItemPriority.Default, removedCallback);
return(obj);
}
// expires after some time for multi-node synchronization (unreliable).
return(null);
}
