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(svn r13662) -Fix [FS#2113]: crash when adding conditional orders to ships.

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This commit is contained in:
rubidium 2008-06-30 14:49:50 +00:00
parent 6a216ee4f6
commit 7ed892411a
1 changed files with 13 additions and 4 deletions
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17
src/order_cmd.cpp
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@ -298,6 +298,18 @@ static TileIndex GetOrderLocation(const Order& o)
}
}
static uint GetOrderDistance(const Order *prev, const Order *cur, const Vehicle *v, int conditional_depth = 0)
{
if (cur->IsType(OT_CONDITIONAL)) {
if (conditional_depth > v->num_orders) return 0;
conditional_depth++;
return max(GetOrderDistance(prev, &v->orders[cur->GetConditionSkipToOrder()], v, conditional_depth),
GetOrderDistance(prev, (prev + 1 == &v->orders[v->num_orders]) ? v->orders : (prev + 1), v, conditional_depth));
}
return DistanceManhattan(GetOrderLocation(*prev), GetOrderLocation(*cur));
}
/** Add an order to the orderlist of a vehicle.
* @param tile unused
@ -468,10 +480,7 @@ CommandCost CmdInsertOrder(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
if (++n == sel_ord && prev != NULL) break;
}
if (prev != NULL) {
uint dist = DistanceManhattan(
GetOrderLocation(*prev),
GetOrderLocation(new_order)
);
uint dist = GetOrderDistance(prev, &new_order, v);
if (dist >= 130) {
return_cmd_error(STR_0210_TOO_FAR_FROM_PREVIOUS_DESTINATIO);
}