Fix train-only conditional orders being listed in non-train dropdown

src/order_gui.cpp

@@ -1494,6 +1494,7 @@ public:
 			case WID_O_COND_VARIABLE: {
 				Dimension d = {0, 0};
 				for (uint i = 0; i < lengthof(_order_conditional_variable); i++) {
+					if (this->vehicle->type != VEH_TRAIN && (_order_conditional_variable[i] == OCV_TRAIN_IN_SLOT || _order_conditional_variable[i] == OCV_SLOT_OCCUPANCY || _order_conditional_variable[i] == OCV_FREE_PLATFORMS)) continue;
 					d = maxdim(d, GetStringBoundingBox(STR_ORDER_CONDITIONAL_LOAD_PERCENTAGE + _order_conditional_variable[i]));
 				}
 				d.width += padding.width;
@@ -2147,6 +2148,7 @@ public:
 				const OrderConditionVariable ocv = this->vehicle->GetOrder(this->OrderGetSel())->GetConditionVariable();
 				DropDownList list;
 				for (uint i = 0; i < lengthof(_order_conditional_variable); i++) {
+					if (this->vehicle->type != VEH_TRAIN && (_order_conditional_variable[i] == OCV_TRAIN_IN_SLOT || _order_conditional_variable[i] == OCV_SLOT_OCCUPANCY || _order_conditional_variable[i] == OCV_FREE_PLATFORMS)) continue;
 					if (ocv != _order_conditional_variable[i]) {
 						if ((_order_conditional_variable[i] == OCV_TRAIN_IN_SLOT || _order_conditional_variable[i] == OCV_SLOT_OCCUPANCY) && !_settings_client.gui.show_adv_tracerestrict_features) continue;
 					}