Scheduled dispatch: Add order backup support

src/order_backup.cpp

@@ -65,6 +65,15 @@ OrderBackup::OrderBackup(const Vehicle *v, uint32 user)
 			*tail = copy;
 			tail = &copy->next;
 		}
+
+		if (v->orders.list != nullptr && HasBit(v->vehicle_flags, VF_SCHEDULED_DISPATCH)) {
+			SetBit(this->vehicle_flags, VF_SCHEDULED_DISPATCH);
+			this->scheduled_dispatch = v->orders.list->GetScheduledDispatch();
+			this->scheduled_dispatch_duration = v->orders.list->GetScheduledDispatchDuration();
+			this->scheduled_dispatch_start_date = v->orders.list->GetScheduledDispatchStartDatePart();
+			this->scheduled_dispatch_start_full_date_fract = v->orders.list->GetScheduledDispatchStartDateFractPart();
+			this->scheduled_dispatch_max_delay = v->orders.list->GetScheduledDispatchDelay();
+		}
 	}
 }
 
@@ -80,6 +89,17 @@ void OrderBackup::DoRestore(Vehicle *v)
 	} else if (this->orders != nullptr && OrderList::CanAllocateItem()) {
 		v->orders.list = new OrderList(this->orders, v);
 		this->orders = nullptr;
+
+		if (HasBit(this->vehicle_flags, VF_SCHEDULED_DISPATCH)) {
+			SetBit(v->vehicle_flags, VF_SCHEDULED_DISPATCH);
+			v->orders.list->SetScheduledDispatchDuration(this->scheduled_dispatch_duration);
+			v->orders.list->SetScheduledDispatchDelay(this->scheduled_dispatch_max_delay);
+			v->orders.list->SetScheduledDispatchStartDate(this->scheduled_dispatch_start_date,
+					this->scheduled_dispatch_start_full_date_fract);
+			v->orders.list->SetScheduledDispatchLastDispatch(0);
+			v->orders.list->SetScheduledDispatch(std::move(this->scheduled_dispatch));
+		}
+
 		/* Make sure buoys/oil rigs are updated in the station list. */
 		InvalidateWindowClassesData(WC_STATION_LIST, 0);
 	}

src/order_backup.h

@@ -45,6 +45,13 @@ private:
 	const Vehicle *clone;      ///< Vehicle this vehicle was a clone of.
 	Order *orders;             ///< The actual orders if the vehicle was not a clone.
 
+	std::vector<uint32> scheduled_dispatch;    ///< Scheduled dispatch time
+	uint32 scheduled_dispatch_duration;        ///< Scheduled dispatch duration
+	Date scheduled_dispatch_start_date;        ///< Scheduled dispatch start date
+	uint16 scheduled_dispatch_start_full_date_fract;///< Scheduled dispatch start full date fraction;
+	                                           /// this count to (DAY_TICK * _settings_game.economy.day_length_factor)
+	int32 scheduled_dispatch_max_delay;        ///< Maximum allowed delay
+
 	/** Creation for savegame restoration. */
 	OrderBackup() {}
 	OrderBackup(const Vehicle *v, uint32 user);

src/saveload/extended_ver_sl.cpp

@@ -89,7 +89,7 @@ const SlxiSubChunkInfo _sl_xv_sub_chunk_infos[] = {
 	{ XSLFI_STATION_CATCHMENT_INC,  XSCF_NULL,                1,   1, "station_catchment_inc",     nullptr, nullptr, nullptr        },
 	{ XSLFI_CUSTOM_BRIDGE_HEADS,    XSCF_NULL,                2,   2, "custom_bridge_heads",       nullptr, nullptr, nullptr        },
 	{ XSLFI_CHUNNEL,                XSCF_NULL,                2,   2, "chunnel",                   nullptr, nullptr, "TUNN"      },
-	{ XSLFI_SCHEDULED_DISPATCH,     XSCF_NULL,                1,   1, "scheduled_dispatch",        nullptr, nullptr, nullptr        },
+	{ XSLFI_SCHEDULED_DISPATCH,     XSCF_NULL,                2,   2, "scheduled_dispatch",        nullptr, nullptr, nullptr        },
 	{ XSLFI_MORE_TOWN_GROWTH_RATES, XSCF_NULL,                1,   1, "more_town_growth_rates",    nullptr, nullptr, nullptr        },
 	{ XSLFI_MULTIPLE_DOCKS,         XSCF_NULL,                2,   2, "multiple_docks",            nullptr, nullptr, nullptr        },
 	{ XSLFI_TIMETABLE_EXTRA,        XSCF_NULL,                6,   6, "timetable_extra",           nullptr, nullptr, "ORDX"      },

src/saveload/order_sl.cpp

@@ -318,6 +318,11 @@ const SaveLoad *GetOrderBackupDescription()
 		 SLE_CONDVAR(OrderBackup, vehicle_flags,            SLE_FILE_U8 | SLE_VAR_U16, SLV_176, SLV_180),
 		 SLE_CONDVAR(OrderBackup, vehicle_flags,            SLE_UINT16,                SLV_180, SL_MAX_VERSION),
 		     SLE_REF(OrderBackup, orders,                   REF_ORDER),
+		SLE_CONDVARVEC_X(OrderBackup, scheduled_dispatch,                    SLE_UINT32, SL_MIN_VERSION, SL_MAX_VERSION, SlXvFeatureTest(XSLFTO_AND, XSLFI_SCHEDULED_DISPATCH, 2)),
+		SLE_CONDVAR_X(OrderBackup, scheduled_dispatch_duration,              SLE_UINT32, SL_MIN_VERSION, SL_MAX_VERSION, SlXvFeatureTest(XSLFTO_AND, XSLFI_SCHEDULED_DISPATCH, 2)),
+		SLE_CONDVAR_X(OrderBackup, scheduled_dispatch_start_date,            SLE_INT32,  SL_MIN_VERSION, SL_MAX_VERSION, SlXvFeatureTest(XSLFTO_AND, XSLFI_SCHEDULED_DISPATCH, 2)),
+		SLE_CONDVAR_X(OrderBackup, scheduled_dispatch_start_full_date_fract, SLE_UINT16, SL_MIN_VERSION, SL_MAX_VERSION, SlXvFeatureTest(XSLFTO_AND, XSLFI_SCHEDULED_DISPATCH, 2)),
+		SLE_CONDVAR_X(OrderBackup, scheduled_dispatch_max_delay,             SLE_INT32,  SL_MIN_VERSION, SL_MAX_VERSION, SlXvFeatureTest(XSLFTO_AND, XSLFI_SCHEDULED_DISPATCH, 2)),
 		     SLE_END()
 	};