/// <summary>
/// Returns the amount of money this settlement will pay for this item, and this count of item
///
/// </summary>
/// <param name="item"></param>
/// <param name="count"></param>
/// <returns></returns>
public int CalculateImportValue(EconomicItem item, int count)
{
float tVal = 0;
//If this item is a requirement, then we
if (RequiredImports.ContainsKey(item))
{
int desiredStock = 0;
DesiredItemStock.TryGetValue(item, out desiredStock);
//if we have less than 10% of stock, we inflate the value of this transaction to encourage traders to come here.
if (desiredStock > 0 && Inventory.ItemCount(item) < 0.1f * desiredStock)
{
tVal += count * item.Value * 1.5f;
}
for (int i = 0; i < count; i++)
{
tVal += item.Value * Mathf.Pow(1.01f, i);
}
return((int)tVal);
}
/*
* if (DesiredImports.ContainsKey(item))
* {
* for (int i = 0; i < count; i++)
* {
* tVal += item.Value * Mathf.Pow(1.005f, i);
* }
* return (int)tVal;
* }*/
return(0);
}
public bool HasItem(EconomicItem item)
{
if (item == null)
{
return(false);
}
return(AllItems.ContainsKey(item));
}
public int ItemCount(EconomicItem item)
{
if (item == null)
{
return(0);
}
if (AllItems.TryGetValue(item, out int count))
{
return(count);
}
return(0);
}
public void AddItem(EconomicItem item, int count)
{
if (item == null)
{
return;
}
if (AllItems.ContainsKey(item))
{
AllItems[item] += count;
}
else
{
AllItems.Add(item, count);
}
}
/// <summary>
/// Removes the set amount of product from this inventory, returns the remaining
/// If the remaining is negative, we set the count to 0, but still return the -ve number
/// </summary>
/// <param name="item"></param>
/// <param name="count"></param>
/// <returns></returns>
public int RemoveItem(EconomicItem item, int count)
{
if (!HasItem(item))
{
return(-count);
}
int ic = ItemCount(item);
if (ic >= count)
{
int rem = ic - count;
AllItems[item] = rem;
return(rem);
}
AllItems[item] = 0;
return(ic - count);
}
/// <summary>
/// Attempts to export the specified item out of this inventory.
/// The economy will only export if the item is in surplus
/// Will sell up to the total number surplus, or to the 'amount' specified, whichever is larger
/// Will calculate the cost per item, and only sell up to the amount of maxMoney
/// will return the remaining money
/// </summary>
/// <param name="item"></param>
/// <param name="amount"></param>
/// <param name="maxMoney"></param>
/// <returns></returns>
public bool AttemptExport(EconomicItem item, int amount, float maxMoney, out float remainingMoney, out int totalSold)
{
//Check if we have a surplus
if (Surplus.TryGetValue(item, out int surplus))
{
totalSold = 0;
while (surplus > 0 && amount > 0 && maxMoney > item.Value)
{
surplus--;
amount--;
maxMoney -= item.Value; //TODO - make item price vary
totalSold++;
}
remainingMoney = maxMoney;
return(true);
}
remainingMoney = maxMoney;
totalSold = 0;
return(false);
}
