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Fix stack overflows due to excessive recursion updating order destination

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See: #198
This commit is contained in:
Jonathan G Rennison
2020-11-09 20:15:47 +00:00
parent 600d556f91
commit 6472f0e203
1 changed files with 3 additions and 3 deletions
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6
src/order_cmd.cpp
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@@ -922,7 +922,7 @@ TileIndex Order::GetLocation(const Vehicle *v, bool airport) const
uint GetOrderDistance(const Order *prev, const Order *cur, const Vehicle *v, int conditional_depth)
{
if (cur->IsType(OT_CONDITIONAL)) {
if (conditional_depth > v->GetNumOrders()) return 0;
if (conditional_depth > min<int>(64, v->GetNumOrders())) return 0;
conditional_depth++;
@@ -2709,7 +2709,7 @@ static StationID GetNextRealStation(const Vehicle *v, const Order *order, int co
if (Station::IsValidID(order->GetDestination())) return order->GetDestination();
}
//nothing conditional about this
if (conditional_depth > v->GetNumOrders()) return INVALID_STATION;
if (conditional_depth > min<int>(64, v->GetNumOrders())) return INVALID_STATION;
return GetNextRealStation(v, (order->next != nullptr) ? order->next : v->GetFirstOrder(), ++conditional_depth);
}
@@ -2808,7 +2808,7 @@ VehicleOrderID ProcessConditionalOrder(const Order *order, const Vehicle *v, boo
*/
bool UpdateOrderDest(Vehicle *v, const Order *order, int conditional_depth, bool pbs_look_ahead)
{
if (conditional_depth > v->GetNumOrders()) {
if (conditional_depth > min<int>(64, v->GetNumOrders())) {
v->current_order.Free();
v->SetDestTile(0);
return false;