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Codechange: Use anonymous union for vehicle orders/old orders list

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This commit is contained in:
Niels Martin Hansen
2022-02-12 19:28:34 +01:00
parent 41c40f130b
commit e68bf58989
17 changed files with 99 additions and 99 deletions
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18
src/saveload/vehicle_sl.cpp
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@@ -263,26 +263,26 @@ void AfterLoadVehicles(bool part_of_load)
std::map<Order*, OrderList*> mapping;
for (Vehicle *v : Vehicle::Iterate()) {
if (v->orders.old != nullptr) {
if (v->old_orders != nullptr) {
if (IsSavegameVersionBefore(SLV_105)) { // Pre-105 didn't save an OrderList
if (mapping[v->orders.old] == nullptr) {
if (mapping[v->old_orders] == nullptr) {
/* This adds the whole shared vehicle chain for case b */
/* Creating an OrderList here is safe because the number of vehicles
* allowed in these savegames matches the number of OrderLists. As
* such each vehicle can get an OrderList and it will (still) fit. */
assert(OrderList::CanAllocateItem());
v->orders.list = mapping[v->orders.old] = new OrderList(v->orders.old, v);
v->orders = mapping[v->old_orders] = new OrderList(v->old_orders, v);
} else {
v->orders.list = mapping[v->orders.old];
v->orders = mapping[v->old_orders];
/* For old games (case a) we must create the shared vehicle chain */
if (IsSavegameVersionBefore(SLV_5, 2)) {
v->AddToShared(v->orders.list->GetFirstSharedVehicle());
v->AddToShared(v->orders->GetFirstSharedVehicle());
}
}
} else { // OrderList was saved as such, only recalculate not saved values
if (v->PreviousShared() == nullptr) {
v->orders.list->Initialize(v->orders.list->first, v);
v->orders->Initialize(v->orders->first, v);
}
}
}
@@ -302,13 +302,13 @@ void AfterLoadVehicles(bool part_of_load)
if (IsSavegameVersionBefore(SLV_105)) {
/* Before 105 there was no order for shared orders, thus it messed up horribly */
for (Vehicle *v : Vehicle::Iterate()) {
if (v->First() != v || v->orders.list != nullptr || v->previous_shared != nullptr || v->next_shared == nullptr) continue;
if (v->First() != v || v->orders != nullptr || v->previous_shared != nullptr || v->next_shared == nullptr) continue;
/* As above, allocating OrderList here is safe. */
assert(OrderList::CanAllocateItem());
v->orders.list = new OrderList(nullptr, v);
v->orders = new OrderList(nullptr, v);
for (Vehicle *u = v; u != nullptr; u = u->next_shared) {
u->orders.list = v->orders.list;
u->orders = v->orders;
}
}
}