private async Task CompleteSale(Equipment item, int offer)
{
await BuybackFormatter.CompleteSale(item, offer);
Player.Gold += offer;
Player.RemoveEquipment(item);
await GameControl.PlaySoundWait(LotaSound.Sale);
}
public async Task NegotiatePrice(Equipment item)
{
int charm = Player.Attribute[Attributes.charm];
charm = Math.Min(charm, 80);
int maxAccept = (int)(item.Price(Data) * Math.Pow(charm, .7) / 11);
int offer = (int)((6 + Random.NextDouble()) * maxAccept / 14.0);
int choice = await MakeOffer(item, offer, false);
if (choice == 0)
{
await CompleteSale(item, offer);
return;
}
int ask = 0;
OfferWindow.SetOffer(offer, ask);
ask = await GetAskingPrice();
if (ask == 0)
{
await BuybackFormatter.SeeYouLater();
return;
}
if (ask < 1.5 * offer)
{
await CompleteSale(item, ask);
return;
}
int spread = maxAccept - offer;
if (ask > spread + maxAccept)
{
await ComeBackWhenSerious();
return;
}
spread = ask - offer;
double scale = maxAccept / (double)spread;
offer = (int)(offer + (1 + Random.NextDouble() * 5) * scale);
maxAccept = spread;
if (offer >= ask)
{
offer = ask - 1;
}
int lastAsk = ask;
do
{
bool finalOffer = false;
OfferWindow.RejectAskingPrice(ask, IsAskWayTooHigh(ask, offer, maxAccept));
choice = await MakeOffer(item, offer, finalOffer);
if (choice == 0)
{
await CompleteSale(item, offer);
return;
}
else if (finalOffer)
{
await MaybeDealLater();
return;
}
OfferWindow.SetOffer(offer, lastAsk);
ask = await GetAskingPrice();
if (ask == 0)
{
await MaybeDealLater();
return;
}
if (ask == lastAsk ||
(ask > lastAsk && Random.NextDouble() < 0.5))
{
await ComeBackWhenSerious();
return;
}
double diff = lastAsk - ask;
if (diff == 0)
{
diff = Random.NextDouble() * 3;
}
if (diff / maxAccept < 0.03)
{
diff /= 1.3;
}
lastAsk = ask;
spread = (int)(offer + diff / 1.2 + Random.NextDouble() * diff / 1.6);
if (spread > ask - 2 && Random.NextDouble() < .5)
{
await CompleteSale(item, ask);
return;
}
if (spread >= ask)
{
finalOffer = true;
}
else
{
offer = spread;
if (ask - offer < 3)
{
finalOffer = true;
}
if (offer <= 0)
{
await ComeBackWhenSerious();
return;
}
}
} while (true);
}
private async Task MaybeDealLater()
{
await BuybackFormatter.MaybeDealLater();
await Wait(1500);
}
private async Task ComeBackWhenSerious()
{
await BuybackFormatter.ComeBackWhenSerious();
await Wait(1500);
}
private Task <int> MakeOffer(Equipment item, int offer, bool finalOffer)
{
BuybackFormatter.Offer(item, offer, finalOffer);
return(QuickMenu.QuickMenuYesNo(true));
}
private Task <int> GetAskingPrice()
{
BuybackFormatter.ClearTextArea();
return(NumberPicker.ChooseNumber(32767));
}
private async Task RunStore()
{
robbing = false;
Screen.ClearWindows();
Title = TheEvent.ShopName;
var wind = new TextWindow();
wind.Location = new Point(9, 4);
wind.WriteLine("I will happily purchase");
wind.WriteLine("your used arms and armor");
var prompt = new TextWindow();
prompt.Location = new Point(9, 9);
prompt.WriteLine("Choose items to sell:");
prompt.WriteLine();
prompt.WriteLine(" 1. Weapons");
prompt.WriteLine(" 2. Armor");
Screen.AddWindow(wind);
Screen.AddWindow(prompt);
wind.SetColor(XleColor.Red);
prompt.SetColor(XleColor.Red);
await BuybackFormatter.InitialMenuPrompt();
MenuItemList theList = new MenuItemList("0", "1", "2");
int choice = await QuickMenu(theList, 2, 0);
if (choice == 0)
{
return;
}
Screen.RemoveWindow(prompt);
wind.Visible = false;
ColorScheme.FrameColor = XleColor.Gray;
ColorScheme.HorizontalLinePosition = 11;
Title = "";
ShowGoldText = false;
Equipment item = null;
TextArea.Clear();
TextWindow questionWindow = new TextWindow {
Location = new Point(5, 16)
};
Screen.AddWindow(questionWindow);
switch (choice)
{
case 1:
questionWindow.WriteLine("What weapon will you sell me?");
item = await EquipmentPicker.PickWeapon(GameState, null, ColorScheme.BackColor);
break;
case 2:
questionWindow.WriteLine("What armor will you sell me?");
item = await EquipmentPicker.PickArmor(GameState, null, ColorScheme.BackColor);
break;
}
if (item == null)
{
return;
}
Screen.RemoveWindow(questionWindow);
wind.Visible = true;
wind.SetColor(XleColor.White);
wind.Location = new Point(9, 8);
ColorScheme.HorizontalLinePosition = 14;
ColorScheme.TextAreaBackColor = XleColor.Black;
Title = "Buy-back shop";
InitializeOfferWindow();
await Negotiator.NegotiatePrice(item);
}
