/// <summary>
/// Executes this command
/// </summary>
public override void Execute()
{
List <string> sb = new List <string>();
bool wantsSellSheet = Subject == null || string.IsNullOrWhiteSpace(Subject.ToString()) || Subject.ToString() != "buy";
if (Target == null)
{
RenderError("There is no merchant in that direction.");
return;
}
INonPlayerCharacter merchant = (INonPlayerCharacter)Target;
if (merchant == null || (!merchant.DoIBuyThings() && !merchant.DoISellThings()))
{
RenderError("There is no merchant in that direction.");
return;
}
string errorMessage;
if (wantsSellSheet)
{
errorMessage = merchant.RenderInventory(Actor);
}
else
{
errorMessage = merchant.RenderPurchaseSheet(Actor);
}
if (!string.IsNullOrWhiteSpace(errorMessage))
{
RenderError(errorMessage);
}
}