-	shop	dyn_shop1	-1,501:50

prontera,181,200,4	script	Dynamic Shop	123,{
callshop "dyn_shop1",0;
npcshopattach "dyn_shop1";
end;

OnSellItem:
for(set @i, 0; @i < getarraysize(@sold_nameid); set @i, @i + 1){
	if(countitem(@sold_nameid[@i]) < @sold_quantity[@i] || @sold_quantity[@i] <= 0){
		mes "omgh4x!";
		close;
	}
	if(@sold_nameid[@i] == 501){
		delitem 501, @sold_quantity[@i];
		set $@rpotsleft, $@rpotsleft + @sold_quantity[@i];
		set Zeny, Zeny + @sold_quantity[@i]*20;
	} else {
		if(@sold_nameid[@i] == 502){
			delitem 502, @sold_quantity[@i];
			set $@opotsleft, $@opotsleft + @sold_quantity[@i];
			set Zeny, Zeny + @sold_quantity[@i]*100;
		} else {
			mes "Sorry, I don't need your items.";
			close;
		}
	}
}
deletearray @sold_quantity, getarraysize(@sold_quantity);
deletearray @sold_nameid, getarraysize(@sold_nameid);
mes "Deal completed.";
close;

OnBuyItem:
for(set @i, 0; @i < getarraysize(@bought_nameid); set @i, @i + 1){
	if(@bought_quantity[@i] <= 0){
		mes "omgh4x!";
		close;
	}
	if(@bought_nameid[@i] == 501){
		if(@bought_quantity[@i] > $@rpotsleft){
			if($@rpotsleft > 0){
				set @bought_quantity[@i], $@rpotsleft;
			} else {
				mes "We are out of red potions!";
				close;
			}
		}
		if(Zeny >= 40*@bought_quantity[@i]){
			set Zeny, Zeny - 40*@bought_quantity[@i];
			getitem 501, @bought_quantity[@i];
			set $@rpotsleft, $@rpotsleft - @bought_quantity[@i];
		} else {
			mes "You have insufficient cash.";
			close;
		}
	} else {
		if(@bought_quantity[@i] > $@opotsleft){
			if($@opotsleft > 0){
				set @bought_quantity[@i], $@opotsleft;
			} else {
				mes "We are out of orange potions!";
				close;
			}
		}
		if(Zeny >= 200*@bought_quantity[@i]){
			set Zeny, Zeny - 200*@bought_quantity[@i];
			getitem 502, @bought_quantity[@i];
			set $@opotsleft, $@opotsleft - @bought_quantity[@i];
		} else {
			mes "You have insufficient cash.";
			close;
		}
	}
}
deletearray @bought_quantity, getarraysize(@bought_quantity);
deletearray @bought_nameid, getarraysize(@bought_nameid);
mes "Trade done.";
close;

OnInit:
npcshopitem "dyn_shop1", 501,40,502,200;
set $@rpotsleft, 10;
set $@opotsleft, 10;
end;
}