public static void HandleNPCChat(Character chr, Packet packet)
{
int npcId = packet.ReadInt();
var Npc = chr.Field.GetNPC(npcId);
if (chr.AssertForHack(!chr.CanAttachAdditionalProcess, "Tried to chat to npc while not able to attach additional process"))
{
InventoryPacket.NoChange(chr);
return;
}
// Npc doesnt exist
if (Npc == null)
{
InventoryPacket.NoChange(chr);
return;
}
int RealID = Npc.ID;
if (!DataProvider.NPCs.TryGetValue(RealID, out NPCData npc))
{
return;
}
if (npc.Shop.Count > 0)
{
// It's a shop!
chr.ShopNPCID = RealID;
NpcPacket.SendShowNPCShop(chr, RealID);
}
else if (npc.Trunk > 0)
{
chr.TrunkNPCID = RealID;
StoragePacket.SendShowStorage(chr, chr.TrunkNPCID);
}
else
{
Action <string> errorHandlerFnc = null;
if (chr.IsGM)
{
errorHandlerFnc = (script) =>
{
MessagePacket.SendNotice("Error compiling script '" + script + "'!", chr);
};
}
INpcScript NPC = null;
if (NPC == null && npc.Quest != null)
{
NPC = Server.Instance.TryGetOrCompileScript(npc.Quest, errorHandlerFnc);
}
if (NPC == null)
{
NPC = Server.Instance.TryGetOrCompileScript(npc.ID.ToString(), errorHandlerFnc);
}
NpcChatSession.Start(RealID, NPC, chr);
}
}
public static void Start(int npcId, INpcScript NPC, Character chr)
{
if (NPC == null)
{
return;
}
if (chr.NpcSession != null)
{
return;
}
var session = new NpcChatSession(npcId, chr);
session.SetScript((INpcScript)NPC.GetType().GetMethod("MemberwiseClone", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance).Invoke(NPC, null));
session.HandleThing();
}
public static void HandleNPCChat(Character chr, Packet packet)
{
if (chr.NpcSession == null)
{
return;
}
NpcChatSession session = chr.NpcSession;
byte state = packet.ReadByte();
if (state != session.mLastSentType)
{
InventoryPacket.NoChange(chr);
return;
}
if (!session.WaitingForResponse)
{
InventoryPacket.NoChange(chr);
return;
}
session.WaitingForResponse = false;
Trace.WriteLine(packet.ToString());
byte option = packet.ReadByte();
try
{
switch (state)
{
case 0:
switch (option)
{
case 0: // Back button...
session.SendPreviousMessage();
break;
case 1: // Next button...
session.SendNextMessage();
break;
default:
session.Stop();
break;
}
break;
case 1:
switch (option)
{
case 0: // No.
session.HandleThing(session.mRealState, 0, "", 0);
break;
case 1: // Yes.
session.HandleThing(session.mRealState, 1, "", 0);
break;
default:
session.Stop();
break;
}
break;
case 2:
switch (option)
{
case 0: // No text :(
session.Stop();
break;
case 1: // Oh yea, text
session.HandleThing(session.mRealState, 1, packet.ReadString(), 0);
break;
default:
session.Stop();
break;
}
break;
case 3:
switch (option)
{
case 0: // No int :(
session.Stop();
break;
case 1: // Oh yea, int
session.HandleThing(session.mRealState, 1, "", packet.ReadShort());
break;
default:
session.Stop();
break;
}
break;
case 4:
case 5:
switch (option)
{
case 0: // Stopping.
session.Stop();
break;
case 1: // Got answer
var val = packet.ReadByte();
if (val == 255)
{
val = 0; // Menus do not correctly work when holding enter key
}
session.HandleThing(session.mRealState, val, "", 0);
break;
default:
session.Stop();
break;
}
break;
default:
session.Stop();
Program.MainForm.LogAppend("Unknown NPC chat action: " + packet);
break;
}
}
catch (Exception ex)
{
Program.MainForm.LogAppend($"Exception while handling NPC {session.mID} {session.mRealState}. Packet: " + packet + ". Exception: " + ex);
InventoryPacket.NoChange(chr);
session?.Stop();
}
}
