public void Cleanup()
{
bool remove;
lock (PlayerDictionary)
{
foreach (Entity Entity in ScreenPlayers)
{
remove = ConquerMath.CalculateDistance(Client.Entity.Location, Entity.Location) > Kernel.ScreenView;
if (remove)
{
GameClient Owner = Entity.Owner;
Owner.Screen.Remove(Client.Entity);
Remove(Entity);
}
}
}
lock (NPCDictionary)
{
foreach (NonPlayerCharacter NPC in ScreenNPCs)
{
remove = ConquerMath.CalculateDistance(Client.Entity.Location, NPC.Location) > Kernel.ScreenView;
if (remove)
{
NPCDictionary.Remove(NPC.UID);
}
}
}
}
public void Teleport(ushort MapID, ushort X, ushort Y)
{
if (Kernel.IsWalkable(MapID, X, Y))
{
GeneralData *Packet = PacketHelper.AllocGeneral();
if (Entity.Location.MapID == MapID && ConquerMath.CalculateDistance(X, Y, Entity.Location.X, Entity.Location.Y, true) < Kernel.ScreenView)
{
// Teleporting within Kernel.ScreenView distance. Don't remove entity from other players. Send "Jump" packet instead
Packet->DataID = GeneralDataID.Jump;
Packet->UID = Entity.UID;
Packet->ValueA = Entity.Location.X;
Packet->ValueB = Entity.Location.Y;
Packet->ValueD_High = X;
Packet->ValueD_Low = Y;
Entity.Location.MapID = MapID;
Entity.Location.X = X;
Entity.Location.Y = Y;
SendScreen(Packet, Packet->Size, true);
}
else
{
Packet->UID = Entity.UID;
Packet->DataID = GeneralDataID.RemoveEntity;
SendScreen(Packet, Packet->Size);
}
Packet = PacketHelper.ReAllocGeneral(Packet);
Packet->UID = Entity.UID;
Packet->DataID = GeneralDataID.ChangeMap;
Packet->ValueA = X;
Packet->ValueB = Y;
Packet->ValueD_High = MapID;
Entity.Location.MapID = MapID;
Entity.Location.X = X;
Entity.Location.Y = Y;
Send(Packet, Packet->Size);
Memory.Free(Packet);
}
else
{
Message(string.Format("Can't teleport to MapID: {0} X {1} Y {2}.", MapID, X, Y), ChatType.Center, Color.White);
return;
}
}
private void HandleJumping(GameClient Client, GeneralData *Packet)
{
ushort X1 = Packet->ValueA;
ushort Y1 = Packet->ValueB;
if ((X1 != Client.Entity.Location.X) || (Y1 != Client.Entity.Location.Y))
{
Client.Disconnect();
}
else
{
ushort X2 = Packet->ValueD_High;
ushort Y2 = Packet->ValueD_Low;
Client.Entity.Angle = ConquerMath.GetAngle(Client.Entity.Location, new Location()
{
X = X2, Y = Y2
});
Client.Entity.Location.X = X2;
Client.Entity.Location.Y = Y2;
if (!Kernel.IsWalkable(Client.Entity.Location.MapID,
Client.Entity.Location.X, Client.Entity.Location.Y))
{
Client.Disconnect();
}
else
{
Client.Send(Packet, Packet->Size);
Client.SendScreen(Packet, Packet->Size);
Kernel.GetScreen(Client, ConquerCallbackKernel.GetScreenReply);
}
}
}
public static void GetScreen(GameClient Client, ConquerCallback Callback)
{
Client.Screen.Cleanup();
try
{
EntityManager.AcquireLock();
int Distance = -1;
GameClient[] Clients = EntityManager.Clients;
foreach (GameClient Other in Clients)
{
if (Other == null)
{
continue;
}
if (Other.UID == Client.UID)
{
continue;
}
if (Other.Entity.Location.MapID != Client.Entity.Location.MapID)
{
continue;
}
Distance = ConquerMath.CalculateDistance(Other.Entity.Location, Client.Entity.Location);
if (Distance <= ScreenView)
{
if (Client.Screen.Add(Other.Entity))
{
if (Callback != null)
{
Callback(Client.Entity, Other.Entity);
}
}
}
}
NonPlayerCharacter[] NPCs = EntityManager.GetNonPlayingCharacters(Client.Entity.Location.MapID);
if (NPCs != null)
{
foreach (NonPlayerCharacter npc in NPCs)
{
if (npc.Location.MapID != Client.Entity.Location.MapID)
{
continue;
}
Distance = ConquerMath.CalculateDistance(npc.Location, Client.Entity.Location);
if (Distance <= ScreenView)
{
if (Client.Screen.Add(npc))
{
NpcSpawn Spawn = npc.GetSpawnPacket();
Client.Send(&Spawn, Spawn.Size);
}
}
}
}
}
finally
{
EntityManager.ReleaseLock();
}
}