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(svn r14405) -Fix [FS#2289]: Correct handling of selling free wagons while the following vehicle is an engine (i.e. a new train is created).

This commit is contained in:
frosch 2008-09-26 19:25:49 +00:00
parent 257f7a229b
commit 05d8a0ebad
1 changed files with 26 additions and 15 deletions
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15
src/train_cmd.cpp
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@ -1422,17 +1422,20 @@ CommandCost CmdSellRailWagon(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
} }
} }
/* 2. We are selling the first engine, some special action might be required /* 2. We are selling the front vehicle, some special action might be required
* here, so take attention */ * here, so take attention */
if ((flags & DC_EXEC) && v == first) { if (v == first) {
Vehicle *new_f = GetNextVehicle(first); Vehicle *new_f = GetNextVehicle(first);
/* 2.2 If there are wagons present after the deleted front engine, check /* 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, * 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 */ * promote it as a new train, retaining the unitnumber, orders */
if (new_f != NULL && IsTrainEngine(new_f)) { if (new_f != NULL && IsTrainEngine(new_f)) {
if (IsTrainEngine(first)) {
/* Let the new front engine take over the setup of the old engine */
switch_engine = true; switch_engine = true;
if (flags & DC_EXEC) {
/* Make sure the group counts stay correct. */ /* Make sure the group counts stay correct. */
new_f->group_id = first->group_id; new_f->group_id = first->group_id;
first->group_id = DEFAULT_GROUP; first->group_id = DEFAULT_GROUP;
@ -1449,6 +1452,14 @@ CommandCost CmdSellRailWagon(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
/* If we deleted a window then open a new one for the 'new' train */ /* If we deleted a window then open a new one for the 'new' train */
if (IsLocalPlayer() && w != NULL) ShowVehicleViewWindow(new_f); if (IsLocalPlayer() && w != NULL) ShowVehicleViewWindow(new_f);
} }
} else {
/* We are selling a free wagon, and construct a new train at the same time.
* This needs lots of extra checks (e.g. train limit), which are done by first moving
* the remaining vehicles to a new row */
cost.AddCost(DoCommand(0, new_f->index | INVALID_VEHICLE << 16, 1, flags, CMD_MOVE_RAIL_VEHICLE));
if (cost.Failed()) return cost;
}
}
} }
/* 3. Delete the requested wagon */ /* 3. Delete the requested wagon */