public static void AddMoneyEx(this IHaveWallet self, int count)
{
if (null != self)
{
var wallet = self.GetWallet();
if (null != wallet)
{
var total = wallet.GetMoney();
total += count;
wallet.SetMoney(total);
}
}
}
public static int GetBalanceEx(this IHaveWallet self)
{
if (null != self)
{
var wallet = self.GetWallet();
if (null != wallet)
{
var total = wallet.GetMoney();
return(total);
}
}
return(0);
}
public static bool SpendMoneyEx(this IHaveWallet self, int count)
{
if (null != self && count > 0)
{
var wallet = self.GetWallet();
if (null != wallet)
{
var total = wallet.GetMoney();
if (total > count)
{
total -= count;
wallet.SetMoney(total);
return(true);
}
}
}
return(false);
}