(svn r8878) -Fix

-Fix: Do a better job when checking the parameters of CmdMoveRailVehicle()
NOTE: 0.5 candidate
This commit is contained in:
tron 2007-02-24 14:36:14 +00:00
parent 6ddef3f743
commit caa129958d

View File

@ -1007,13 +1007,15 @@ int32 CmdMoveRailVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
src = GetVehicle(s);
if (src->type != VEH_Train) return CMD_ERROR;
if (src->type != VEH_Train || !CheckOwnership(src->owner)) return CMD_ERROR;
// if nothing is selected as destination, try and find a matching vehicle to drag to.
if (d == INVALID_VEHICLE) {
dst = IsTrainEngine(src) ? NULL : FindGoodVehiclePos(src);
} else {
if (!IsValidVehicleID(d)) return CMD_ERROR;
dst = GetVehicle(d);
if (dst->type != VEH_Train || !CheckOwnership(dst->owner)) return CMD_ERROR;
}
// if an articulated part is being handled, deal with its parent vehicle
@ -1025,17 +1027,15 @@ int32 CmdMoveRailVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
// don't move the same vehicle..
if (src == dst) return 0;
/* the player must be the owner */
if (!CheckOwnership(src->owner) || (dst != NULL && !CheckOwnership(dst->owner)))
return CMD_ERROR;
/* locate the head of the two chains */
src_head = GetFirstVehicleInChain(src);
dst_head = NULL;
if (dst != NULL) {
dst_head = GetFirstVehicleInChain(dst);
if (dst_head->tile != src_head->tile) return CMD_ERROR;
// Now deal with articulated part of destination wagon
dst = GetLastEnginePart(dst);
} else {
dst_head = NULL;
}
if (dst != NULL && IsMultiheaded(dst) && !IsTrainEngine(dst) && IsTrainWagon(src)) {
@ -1092,8 +1092,6 @@ int32 CmdMoveRailVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
// check if all vehicles in the dest train are stopped.
dst_len = CheckTrainStoppedInDepot(dst_head);
if (dst_len < 0) return_cmd_error(STR_881A_TRAINS_CAN_ONLY_BE_ALTERED);
assert(dst_head->tile == src_head->tile);
}
// We are moving between rows, so only count the wagons from the source