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-rw-r--r--order_cmd.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/order_cmd.c b/order_cmd.c
index eb5c4ccf2..fe45f9a57 100644
--- a/order_cmd.c
+++ b/order_cmd.c
@@ -217,6 +217,12 @@ int32 CmdCloneOrder(int x, int y, uint32 flags, uint32 p1, uint32 p2)
// sanity checks
if (!(src->owner == _current_player && dst->type == src->type && dst != src))
return CMD_ERROR;
+
+ // let's see what happens with road vehicles
+ if (src->type == VEH_Road) {
+ if (src->cargo_type != dst->cargo_type && (src->cargo_type == CT_PASSENGERS || dst->cargo_type == CT_PASSENGERS))
+ return CMD_ERROR;
+ }
if (flags & DC_EXEC) {
DeleteVehicleSchedule(dst);
@@ -237,6 +243,23 @@ int32 CmdCloneOrder(int x, int y, uint32 flags, uint32 p1, uint32 p2)
// sanity checks
if (!(src->owner == _current_player && dst->type == src->type && dst != src))
return CMD_ERROR;
+
+ // let's see what happens with road vehicles
+ if (src->type == VEH_Road) {
+ uint16 ord;
+ int i;
+ Station *st;
+ TileIndex required_dst;
+
+ for (i=0; (ord = src->schedule_ptr[i]) != 0; i++) {
+ if ( ( ord & OT_MASK ) == OT_GOTO_STATION ) {
+ st = DEREF_STATION(ord >> 8);
+ required_dst = (dst->cargo_type == CT_PASSENGERS) ? st->bus_tile : st->lorry_tile;
+ if ( !required_dst )
+ return CMD_ERROR;
+ }
+ }
+ }
// make sure there's orders available
delta = IsScheduleShared(dst) ? src->num_orders + 1 : src->num_orders - dst->num_orders;