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-rw-r--r--order_cmd.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/order_cmd.c b/order_cmd.c
index fe4511d77..4c318cb32 100644
--- a/order_cmd.c
+++ b/order_cmd.c
@@ -611,8 +611,17 @@ int32 CmdModifyOrder(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
u = GetFirstVehicleFromSharedList(v);
DeleteOrderWarnings(u);
for (; u != NULL; u = u->next_shared) {
- /* toggle u->current_order "Full load" flag if it changed */
+ /* Toggle u->current_order "Full load" flag if it changed.
+ * However, as the same flag is used for depot orders, check
+ * whether we are not going to a depot as there are three
+ * cases where the full load flag can be active and only
+ * one case where the flag is used for depot orders. In the
+ * other cases for the OrderType the flags are not used,
+ * so do not care and those orders should not be active
+ * when this function is called.
+ */
if (sel_ord == u->cur_order_index &&
+ u->current_order.type != OT_GOTO_DEPOT &&
HASBIT(u->current_order.flags, OFB_FULL_LOAD) != HASBIT(order->flags, OFB_FULL_LOAD)) {
TOGGLEBIT(u->current_order.flags, OFB_FULL_LOAD);
}