/// <summary>
/// Completes a transaction between a buyer and a seller.
/// </summary>
/// <param name="buyer">The character buying the items.</param>
/// <param name="seller">The character selling the items.</param>
/// <param name="item">The item to buy.</param>
/// <param name="currencyName">The name of the currency needed.</param>
/// <param name="amount">The amount to buy.</param>
/// <returns></returns>
public static bool Transaction(QI_Vendor buyer, QI_Vendor seller, QI_ItemData item, string currencyName, int amount)
{
if (!buyer.CanBuy(currencyName, item.Price, amount) || !seller.CanSell(item.Name, amount))
{
return(false);
}
buyer.Buy(item, currencyName, amount);
seller.Sell(item, currencyName, amount);
return(true);
}
/// <summary>
/// Returns if the vendor buying something was successful.
/// </summary>
/// <param name="item">The item to buy.</param>
/// <param name="currencyName">The name of the currency needed.</param>
/// <param name="amount">The amount to buy.</param>
/// <returns></returns>
public bool Buy(QI_ItemData item, string currencyName, int amount)
{
if (!CanBuy(currencyName, item.Price, amount))
{
return(false);
}
QI_CurrencyStash currency = Currencies[currencyName];
currency.Amount -= item.Price * amount;
Currencies[currencyName] = currency;
Inventory.AddItem(item, amount);
return(true);
}
/// <summary>
/// Attempts to add an item to an existing stack, but otherwise creates a new stack.
/// </summary>
/// <param name="item">The item to add.</param>
/// <param name="amount">The amount to add.</param>
/// <returns></returns>
public void AddItem(QI_ItemData item, int amount)
{
if (amount < 1)
{
return;
}
int stackCount = Stacks.Count;
for (int i = 0; i < stackCount; i++)
{
var stack = Stacks[i];
if (stack.Item.Name != item.Name || stack.Amount == item.MaxStack && item.MaxStack > 0)
{
continue;
}
int space = item.MaxStack - stack.Amount;
int amountAdded = item.MaxStack == 0 ? amount : Mathf.Min(space, amount);
stack.Amount += amountAdded;
amount -= amountAdded;
if (Stock.ContainsKey(item.Name))
{
Stock[item.Name] += amountAdded;
}
Stacks[i] = stack;
}
while (amount > 0 && (Stacks.Count < MaxStacks && MaxStacks > 0 || MaxStacks == 0))
{
int amountAdded = item.MaxStack == 0 ? amount : Mathf.Min(item.MaxStack, amount);
Stacks.Add(new QI_ItemStack {
Item = item, Amount = amountAdded
});
if (Stock.ContainsKey(item.Name))
{
Stock[item.Name] += amountAdded;
}
else
{
Stock.Add(item.Name, amountAdded);
}
amount -= amountAdded;
}
}
/// <summary>
/// Returns if the vendor selling something was successful.
/// </summary>
/// <param name="item">The item to buy.</param>
/// <param name="currencyName">The name of the currency gained.</param>
/// <param name="amount">The amount to sell.</param>
/// <returns></returns>
public bool Sell(QI_ItemData item, string currencyName, int amount)
{
if (!CanSell(item.Name, amount))
{
return(false);
}
if (Currencies.ContainsKey(currencyName))
{
QI_CurrencyStash currency = Currencies[currencyName];
currency.Amount += item.Price * amount;
Currencies[currencyName] = currency;
}
Inventory.RemoveItem(item.Name, amount);
return(true);
}
