/// <summary>
///
/// </summary>
/// <param name="creature"></param>
/// <param name="itemEntityId"></param>
/// <param name="moveToInventory"></param>
/// <returns></returns>
public bool Buy(Creature creature, long itemEntityId, bool moveToInventory)
{
var shop = this;
var owner = creature.Temp.CurrentShopOwner;
// Get item
// In theory someone could buy an item without it being visible
// to him, but he would need the current entity id that
// changes on each restart. It's unlikely to ever be a problem.
var item = shop.GetItem(itemEntityId);
if (item == null)
{
Log.Warning("NpcShopScript.Buy: Item '{0:X16}' doesn't exist in shop.", itemEntityId);
return(false);
}
// Check stock
if (item.Stock == 0)
{
Send.MsgBox(creature, Localization.Get("This item is not in stock anymore."));
return(false);
}
// Determine which payment method to use, the same way the client
// does to display them. Points > Stars > Ducats > Gold.
var paymentMethod = PaymentMethod.Gold;
if (item.OptionInfo.StarPrice > 0)
{
paymentMethod = PaymentMethod.Stars;
}
if (item.OptionInfo.DucatPrice > 0)
{
paymentMethod = PaymentMethod.Ducats;
}
if (item.OptionInfo.PointPrice > 0)
{
paymentMethod = PaymentMethod.Points;
}
// Get buying price
var price = int.MaxValue;
switch (paymentMethod)
{
case PaymentMethod.Gold: price = item.OptionInfo.Price; break;
case PaymentMethod.Stars: price = item.OptionInfo.StarPrice; break;
case PaymentMethod.Ducats: price = item.OptionInfo.DucatPrice; break;
case PaymentMethod.Points: price = item.OptionInfo.PointPrice; break;
}
// The client expects the price for a full stack to be sent
// in the ItemOptionInfo, so we have to calculate the actual price here.
if (item.Data.StackType == StackType.Stackable)
{
price = (int)(price / (float)item.Data.StackMax * item.Amount);
}
// Wednesday: Decrease in prices (5%) for items in NPC shops,
// including Remote Shop Coupons and money deposit for Exploration Quests.
if (ErinnTime.Now.Month == ErinnMonth.AlbanHeruin)
{
price = (int)(price * 0.95f);
}
// Check currency
var canPay = false;
switch (paymentMethod)
{
case PaymentMethod.Gold: canPay = (creature.Inventory.Gold >= price); break;
case PaymentMethod.Stars: canPay = (creature.Inventory.Stars >= price); break;
case PaymentMethod.Ducats: canPay = false; break; // TODO: Implement ducats.
case PaymentMethod.Points: canPay = (creature.Points >= price); break;
}
if (!canPay)
{
switch (paymentMethod)
{
case PaymentMethod.Gold: Send.MsgBox(creature, Localization.Get("Insufficient amount of gold.")); break;
case PaymentMethod.Stars: Send.MsgBox(creature, Localization.Get("Insufficient amount of stars.")); break;
case PaymentMethod.Ducats: Send.MsgBox(creature, Localization.Get("Insufficient amount of ducats.")); break;
case PaymentMethod.Points: Send.MsgBox(creature, Localization.Get("You don't have enough Pon.\nYou will need to buy more.")); break;
}
return(false);
}
// Buy, adding item, and removing currency
var success = false;
var newItem = new Item(item);
// Set guild data
if (newItem.HasTag("/guild_robe/") && creature.Guild != null && creature.Guild.HasRobe)
{
// EBCL1:4:-11042446;EBCL2:4:-7965756;EBLM1:1:45;EBLM2:1:24;EBLM3:1:6;GLDNAM:s:Name;
newItem.Info.Color1 = creature.Guild.Robe.RobeColor;
newItem.Info.Color2 = GuildRobe.GetColor(creature.Guild.Robe.BadgeColor);
newItem.Info.Color3 = GuildRobe.GetColor(creature.Guild.Robe.EmblemMarkColor);
newItem.MetaData1.SetInt("EBCL1", (int)GuildRobe.GetColor(creature.Guild.Robe.EmblemOutlineColor));
newItem.MetaData1.SetInt("EBCL2", (int)GuildRobe.GetColor(creature.Guild.Robe.StripesColor));
newItem.MetaData1.SetByte("EBLM1", creature.Guild.Robe.EmblemMark);
newItem.MetaData1.SetByte("EBLM2", creature.Guild.Robe.EmblemOutline);
newItem.MetaData1.SetByte("EBLM3", creature.Guild.Robe.Stripes);
newItem.MetaData1.SetString("GLDNAM", creature.Guild.Name);
}
// Cursor
if (!moveToInventory)
{
success = creature.Inventory.Add(newItem, Pocket.Cursor);
}
// Inventory
else
{
success = creature.Inventory.Add(newItem, false);
}
if (success)
{
// Reset gold price if payment method wasn't gold, as various
// things depend on the gold price, like repair prices.
// If any payment method but gold was used, the gold price
// would be 0.
if (paymentMethod != PaymentMethod.Gold)
{
newItem.ResetGoldPrice();
}
// Reduce gold/points
switch (paymentMethod)
{
case PaymentMethod.Gold: creature.Inventory.Gold -= price; break;
case PaymentMethod.Stars: creature.Inventory.Stars -= price; break;
case PaymentMethod.Ducats: break; // TODO: Implement ducats.
case PaymentMethod.Points: creature.Points -= price; break;
}
// Reduce stock
if (item.Stock > 0)
{
// Don't let it go below 0, that would mean unlimited.
item.Stock = Math.Max(0, item.Stock - 1);
if (item.Stock == 0)
{
// Refresh shop, so the item disappears.
Send.ClearNpcShop(creature);
Send.AddToNpcShop(creature, this.GetTabs(creature, owner));
}
Send.ServerMessage(creature, "Debug: Stock remaining: {0}", item.Stock);
}
}
return(success);
}
public void NpcShopBuyItem(ChannelClient client, Packet packet)
{
var entityId = packet.GetLong();
var targetPocket = packet.GetByte(); // 0:cursor, 1:inv
var unk = packet.GetByte(); // storage gold?
var creature = client.GetCreatureSafe(packet.Id);
// Check session
// Not compatible with remote shop access, unless we bind it to NPCs.
//client.NpcSession.EnsureValid();
// Check open shop
if (creature.Temp.CurrentShop == null)
{
throw new ModerateViolation("Tried to buy an item with a null shop.");
}
// Get item
// In theory someone could buy an item without it being visible
// to him, but he would need the current entity id that
// changes on each restart. It's unlikely to ever be a problem.
var item = creature.Temp.CurrentShop.GetItem(entityId);
if (item == null)
{
Log.Warning("NpcShopBuyItem: Item '{0:X16}' doesn't exist in shop.", entityId);
goto L_Fail;
}
// Determine which payment method to use, the same way the client
// does to display them. Points > Stars > Ducats > Gold.
var paymentMethod = PaymentMethod.Gold;
if (item.OptionInfo.StarPrice > 0)
{
paymentMethod = PaymentMethod.Stars;
}
if (item.OptionInfo.DucatPrice > 0)
{
paymentMethod = PaymentMethod.Ducats;
}
if (item.OptionInfo.PointPrice > 0)
{
paymentMethod = PaymentMethod.Points;
}
// Get buying price
var price = int.MaxValue;
switch (paymentMethod)
{
case PaymentMethod.Gold: price = item.OptionInfo.Price; break;
case PaymentMethod.Stars: price = item.OptionInfo.StarPrice; break;
case PaymentMethod.Ducats: price = item.OptionInfo.DucatPrice; break;
case PaymentMethod.Points: price = item.OptionInfo.PointPrice; break;
}
// The client expects the price for a full stack to be sent
// in the ItemOptionInfo, so we have to calculate the actual price here.
if (item.Data.StackType == StackType.Stackable)
{
price = (int)(price / (float)item.Data.StackMax * item.Amount);
}
// Wednesday: Decrease in prices (5%) for items in NPC shops,
// including Remote Shop Coupons and money deposit for Exploration Quests.
if (ErinnTime.Now.Month == ErinnMonth.AlbanHeruin)
{
price = (int)(price * 0.95f);
}
// Check currency
var canPay = false;
switch (paymentMethod)
{
case PaymentMethod.Gold: canPay = (creature.Inventory.Gold >= price); break;
case PaymentMethod.Stars: canPay = (creature.Inventory.Stars >= price); break;
case PaymentMethod.Ducats: canPay = false; break; // TODO: Implement ducats.
case PaymentMethod.Points: canPay = (creature.Points >= price); break;
}
if (!canPay)
{
switch (paymentMethod)
{
case PaymentMethod.Gold: Send.MsgBox(creature, Localization.Get("Insufficient amount of gold.")); break;
case PaymentMethod.Stars: Send.MsgBox(creature, Localization.Get("Insufficient amount of stars.")); break;
case PaymentMethod.Ducats: Send.MsgBox(creature, Localization.Get("Insufficient amount of ducats.")); break;
case PaymentMethod.Points: Send.MsgBox(creature, Localization.Get("You don't have enough Pon.\nYou will need to buy more.")); break;
}
goto L_Fail;
}
// Buy, adding item, and removing currency
var success = false;
// Set guild data
if (item.HasTag("/guild_robe/") && creature.Guild != null && creature.Guild.HasRobe)
{
// EBCL1:4:-11042446;EBCL2:4:-7965756;EBLM1:1:45;EBLM2:1:24;EBLM3:1:6;GLDNAM:s:Name;
item.Info.Color1 = creature.Guild.Robe.RobeColor;
item.Info.Color2 = GuildRobe.GetColor(creature.Guild.Robe.BadgeColor);
item.Info.Color3 = GuildRobe.GetColor(creature.Guild.Robe.EmblemMarkColor);
item.MetaData1.SetInt("EBCL1", (int)GuildRobe.GetColor(creature.Guild.Robe.EmblemOutlineColor));
item.MetaData1.SetInt("EBCL2", (int)GuildRobe.GetColor(creature.Guild.Robe.StripesColor));
item.MetaData1.SetByte("EBLM1", creature.Guild.Robe.EmblemMark);
item.MetaData1.SetByte("EBLM2", creature.Guild.Robe.EmblemOutline);
item.MetaData1.SetByte("EBLM3", creature.Guild.Robe.Stripes);
item.MetaData1.SetString("GLDNAM", creature.Guild.Name);
}
// Cursor
if (targetPocket == 0)
{
success = creature.Inventory.Add(item, Pocket.Cursor);
}
// Inventory
else if (targetPocket == 1)
{
success = creature.Inventory.Add(item, false);
}
if (success)
{
// Reset gold price if payment method wasn't gold, as various
// things depend on the gold price, like repair prices.
// If any payment method but gold was used, the gold price
// would be 0.
if (paymentMethod != PaymentMethod.Gold)
{
item.ResetGoldPrice();
}
// Reduce
switch (paymentMethod)
{
case PaymentMethod.Gold: creature.Inventory.Gold -= price; break;
case PaymentMethod.Stars: creature.Inventory.Stars -= price; break;
case PaymentMethod.Ducats: break; // TODO: Implement ducats.
case PaymentMethod.Points: creature.Points -= price; break;
}
}
// Response
Send.NpcShopBuyItemR(creature, success);
return;
L_Fail:
Send.NpcShopBuyItemR(creature, false);
}