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(svn r9277) -Fix [FS#685]: shared orders got messed up when the 'first' trains got removed in the depot.

This commit is contained in:
rubidium 2007-03-18 15:32:42 +00:00
parent 693c2f12cb
commit 84d9f832c3
1 changed files with 29 additions and 22 deletions
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51
src/train_cmd.cpp
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@ -1334,30 +1334,37 @@ int32 CmdSellRailWagon(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
for (Vehicle *tmp = first; tmp != NULL; tmp = tmp->next) tmp->first = NULL;
/* 2.2 If there are wagons present after the deleted front engine, check
* if the second wagon (which will be first) is an engine. If it is one,
* promote it as a new train, retaining the unitnumber, orders */
if (new_f != NULL) {
if (IsTrainEngine(new_f)) {
switch_engine = true;
/* Copy important data from the front engine */
new_f->unitnumber = first->unitnumber;
new_f->current_order = first->current_order;
new_f->cur_order_index = first->cur_order_index;
new_f->orders = first->orders;
if (first->prev_shared != NULL) {
first->prev_shared->next_shared = new_f;
new_f->prev_shared = first->prev_shared;
}
* if the second wagon (which will be first) is an engine. If it is one,
* promote it as a new train, retaining the unitnumber, orders */
if (new_f != NULL && IsTrainEngine(new_f)) {
switch_engine = true;
/* Copy important data from the front engine */
new_f->unitnumber = first->unitnumber;
new_f->current_order = first->current_order;
new_f->cur_order_index = first->cur_order_index;
new_f->orders = first->orders;
new_f->num_orders = first->num_orders;
if (first->next_shared != NULL) {
first->next_shared->prev_shared = new_f;
new_f->next_shared = first->next_shared;
}
new_f->num_orders = first->num_orders;
first->orders = NULL; // XXX - to not to delete the orders */
if (IsLocalPlayer()) ShowTrainViewWindow(new_f);
if (first->prev_shared != NULL) {
first->prev_shared->next_shared = new_f;
new_f->prev_shared = first->prev_shared;
}
if (first->next_shared != NULL) {
first->next_shared->prev_shared = new_f;
new_f->next_shared = first->next_shared;
}
/*
* Remove all order information from the front train, to
* prevent the order and the shared order list to be
* destroyed by Destroy/DeleteVehicle.
*/
first->orders = NULL;
first->prev_shared = NULL;
first->next_shared = NULL;
if (IsLocalPlayer()) ShowTrainViewWindow(new_f);
}
}