public void Handle(WorldClient client, NpcBuyItemPacket packet)
{
var cellId = _gameWorld.Players[_gameSession.CharId].CellId;
var npc = _mapProvider.Map.GetNPC(cellId, packet.NpcId);
if (npc is null || !npc.ContainsProduct(packet.ItemIndex))
{
_logger.LogWarning("NPC with id {npcId} doesn't contain item at index: {itemIndex}.", packet.NpcId, packet.ItemIndex);
return;
}
var discount = 0f;
if (_mapProvider.Map is GuildHouseMap)
{
if (!_guildManager.HasGuild)
{
_packetFactory.SendGuildHouseActionError(client, GuildHouseActionError.LowRank, 30);
return;
}
var allowed = _guildManager.CanUseNpc(npc.Type, npc.TypeId, out var requiredRank);
if (!allowed)
{
_packetFactory.SendGuildHouseActionError(client, GuildHouseActionError.LowRank, requiredRank);
return;
}
allowed = _guildManager.HasNpcLevel(npc.Type, npc.TypeId);
if (!allowed)
{
_packetFactory.SendGuildHouseActionError(client, GuildHouseActionError.LowLevel, 0);
return;
}
discount = _guildManager.GetDiscount(npc.Type, npc.TypeId);
}
var buyItem = npc.Products[packet.ItemIndex];
var boughtItem = _inventoryManager.BuyItem(buyItem, packet.Count, discount, out var result);
_packetFactory.SendBoughtItem(client, result, boughtItem, _inventoryManager.Gold);
}
public void HandleNpcTeleport(WorldClient client, CharacterTeleportViaNpcPacket packet)
{
var npc = _mapProvider.Map.GetNPC(_gameWorld.Players[_gameSession.CharId].CellId, packet.NpcId);
if (npc is null)
{
_logger.LogWarning("Character {Id} is trying to get non-existing npc via teleport packet.", _gameSession.CharId);
return;
}
if (!npc.ContainsGate(packet.GateId))
{
_logger.LogWarning("NPC type {type} type id {typeId} doesn't contain teleport gate {gateId}. Check it out!", npc.Type, npc.TypeId, packet.GateId);
return;
}
if (_mapProvider.Map is GuildHouseMap)
{
if (!_guildManager.HasGuild)
{
_packetFactory.SendGuildHouseActionError(client, GuildHouseActionError.LowRank, 30);
return;
}
var allowed = _guildManager.CanUseNpc(npc.Type, npc.TypeId, out var requiredRank);
if (!allowed)
{
_packetFactory.SendGuildHouseActionError(client, GuildHouseActionError.LowRank, requiredRank);
return;
}
allowed = _guildManager.HasNpcLevel(npc.Type, npc.TypeId);
if (!allowed)
{
_packetFactory.SendGuildHouseActionError(client, GuildHouseActionError.LowLevel, 0);
return;
}
}
var gate = npc.Gates[packet.GateId];
if (_inventoryManager.Gold < gate.Cost)
{
_packetFactory.SendTeleportViaNpc(client, NpcTeleportNotAllowedReason.NotEnoughMoney, _inventoryManager.Gold);
return;
}
var mapConfig = _mapLoader.LoadMapConfiguration((ushort)gate.MapId);
if (mapConfig is null)
{
_packetFactory.SendTeleportViaNpc(client, NpcTeleportNotAllowedReason.MapCapacityIsFull, _inventoryManager.Gold);
return;
}
// TODO: there should be somewhere player's level check. But I can not find it in gate config.
_inventoryManager.Gold = (uint)(_inventoryManager.Gold - gate.Cost);
_packetFactory.SendTeleportViaNpc(client, NpcTeleportNotAllowedReason.Success, _inventoryManager.Gold);
_teleportationManager.Teleport((ushort)gate.MapId, gate.Position.X, gate.Position.Y, gate.Position.Z);
}