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(svn r243) -Fix: [1022689] When destroying a part of a train with a 2 side engine the second engine was also deleted [Celestar]

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signde 2004-09-14 08:13:15 +00:00
parent bf703a0e82
commit 5e699ca65d
1 changed files with 13 additions and 3 deletions
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16
train_cmd.c
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@ -773,7 +773,17 @@ int32 CmdSellRailWagon(int x, int y, uint32 flags, uint32 p1, uint32 p2)
first = v;
if (first->subtype != 0) {
first = GetFirstVehicleInChain(first);
last = NULL;
last = GetLastVehicleInChain(first);
//now if:
// 1) we delete a whole a chain, and
// 2) the first and the last vehicle of that train are of the same type, and
// 3) the first and the last vehicle of the chain are not identical, and
// 4) and of "engine" type (i.e. not a carriage)
// then let the last vehicle live
if ( (p2 == 1) && ( last->engine_type == first->engine_type ) && (last != first) && (first->subtype == 0) )
last = GetPrevVehicleInChain(last);
else
last = NULL;
} else {
if (p2 != 1) {
// sell last part of multiheaded?
@ -825,7 +835,7 @@ int32 CmdSellRailWagon(int x, int y, uint32 flags, uint32 p1, uint32 p2)
tmp = v;
v = v->next;
DeleteVehicle(tmp);
if (v == NULL || p2 != 1) break;
if (v == last || p2 != 1) break;
}
// delete last vehicle of multiheaded train?
@ -844,7 +854,7 @@ int32 CmdSellRailWagon(int x, int y, uint32 flags, uint32 p1, uint32 p2)
cost = 0;
for(;;) {
cost -= v->value;
if ((v=v->next) == NULL || p2 != 1) break;
if ((v=v->next) == last || p2 != 1) break;
}
if (last) cost -= last->value;
}