tron@2186: /* $Id$ */
tron@2186: 
truelight@0: #include "stdafx.h"
Darkvater@1891: #include "openttd.h"
Darkvater@2433: #include "order.h"
tron@1718: #include "airport.h"
tron@1718: #include "depot.h"
tron@2163: #include "functions.h"
tron@507: #include "table/strings.h"
truelight@0: #include "vehicle.h"
tron@1718: #include "waypoint.h"
truelight@0: #include "command.h"
truelight@0: #include "station.h"
truelight@0: #include "player.h"
dominik@19: #include "news.h"
truelight@1024: #include "saveload.h"
matthijs@1752: #include "vehicle_gui.h"
truelight@0: 
truelight@1314: enum {
truelight@1314: 	/* Max orders: 64000 (64 * 1000) */
truelight@1314: 	ORDER_POOL_BLOCK_SIZE_BITS = 6,       /* In bits, so (1 << 6) == 64 */
truelight@1314: 	ORDER_POOL_MAX_BLOCKS      = 1000,
truelight@1314: };
truelight@1314: 
truelight@1314: /**
truelight@1314:  * Called if a new block is added to the order-pool
truelight@1314:  */
truelight@1314: static void OrderPoolNewBlock(uint start_item)
truelight@1314: {
truelight@1314: 	Order *order;
truelight@1314: 
tron@2639: 	FOR_ALL_ORDERS_FROM(order, start_item) order->index = start_item++;
truelight@1314: }
truelight@1314: 
truelight@1314: /* Initialize the order-pool */
truelight@1314: MemoryPool _order_pool = { "Orders", ORDER_POOL_MAX_BLOCKS, ORDER_POOL_BLOCK_SIZE_BITS, sizeof(Order), &OrderPoolNewBlock, 0, 0, NULL };
truelight@1314: 
truelight@1024: /**
truelight@1024:  *
truelight@1024:  * Unpacks a order from savegames made with TTD(Patch)
truelight@1024:  *
truelight@0:  */
truelight@1024: Order UnpackOldOrder(uint16 packed)
truelight@0: {
truelight@1024: 	Order order;
tron@2140: 	order.type    = GB(packed, 0, 4);
tron@2140: 	order.flags   = GB(packed, 4, 4);
tron@2140: 	order.station = GB(packed, 8, 8);
truelight@1024: 	order.next    = NULL;
truelight@0: 
truelight@1024: 	// Sanity check
truelight@1024: 	// TTD stores invalid orders as OT_NOTHING with non-zero flags/station
truelight@1024: 	if (order.type == OT_NOTHING && (order.flags != 0 || order.station != 0)) {
truelight@1024: 		order.type = OT_DUMMY;
truelight@1024: 		order.flags = 0;
truelight@1024: 	}
truelight@0: 
truelight@1024: 	return order;
truelight@1024: }
truelight@1024: 
truelight@1024: /**
truelight@1024:  *
truelight@1024:  * Unpacks a order from savegames with version 4 and lower
truelight@1024:  *
truelight@1024:  */
tron@2817: static Order UnpackVersion4Order(uint16 packed)
truelight@1024: {
truelight@1024: 	Order order;
tron@2140: 	order.type    = GB(packed, 0, 4);
tron@2140: 	order.flags   = GB(packed, 4, 4);
tron@2140: 	order.station = GB(packed, 8, 8);
truelight@1024: 	order.next    = NULL;
hackykid@1884: 	order.index   = 0; // avoid compiler warning
truelight@1024: 	return order;
truelight@1024: }
truelight@1024: 
truelight@1024: /**
truelight@1024:  *
truelight@1024:  * Updates the widgets of a vehicle which contains the order-data
truelight@1024:  *
truelight@1024:  */
truelight@1024: void InvalidateVehicleOrder(const Vehicle *v)
truelight@1024: {
truelight@1024: 	InvalidateWindow(WC_VEHICLE_VIEW,   v->index);
truelight@1024: 	InvalidateWindow(WC_VEHICLE_ORDERS, v->index);
truelight@1024: }
truelight@1024: 
truelight@1024: /**
truelight@1024:  *
truelight@1024:  * Swap two orders
truelight@1024:  *
truelight@1024:  */
truelight@1024: static void SwapOrders(Order *order1, Order *order2)
truelight@1024: {
truelight@1024: 	Order temp_order;
truelight@1024: 
truelight@1024: 	temp_order = *order1;
truelight@1043: 	AssignOrder(order1, *order2);
truelight@1043: 	order1->next = order2->next;
truelight@1043: 	AssignOrder(order2, temp_order);
truelight@1043: 	order2->next = temp_order.next;
truelight@1024: }
truelight@1024: 
truelight@1024: /**
truelight@1024:  *
truelight@1024:  * Allocate a new order
truelight@1024:  *
truelight@1024:  * @return Order* if a free space is found, else NULL.
truelight@1024:  *
truelight@1024:  */
tron@1093: static Order *AllocateOrder(void)
truelight@1024: {
truelight@1024: 	Order *order;
truelight@1024: 
truelight@1024: 	FOR_ALL_ORDERS(order) {
truelight@1024: 		if (order->type == OT_NOTHING) {
truelight@1024: 			uint index = order->index;
truelight@1314: 
tron@2639: 			memset(order, 0, sizeof(*order));
truelight@1024: 			order->index = index;
truelight@1111: 			order->next = NULL;
truelight@1314: 
truelight@1024: 			return order;
truelight@1024: 		}
truelight@1024: 	}
truelight@1024: 
truelight@1314: 	/* Check if we can add a block to the pool */
tron@2639: 	if (AddBlockToPool(&_order_pool)) return AllocateOrder();
truelight@1314: 
truelight@1024: 	return NULL;
truelight@1024: }
truelight@1024: 
truelight@1024: /**
truelight@1024:  *
truelight@1024:  * Assign data to an order (from an other order)
truelight@1024:  *   This function makes sure that the index is maintained correctly
truelight@1024:  *
truelight@1024:  */
truelight@1024: void AssignOrder(Order *order, Order data)
truelight@1024: {
truelight@1024: 	order->type    = data.type;
truelight@1024: 	order->flags   = data.flags;
truelight@1024: 	order->station = data.station;
truelight@1024: }
truelight@1024: 
Darkvater@1786: /** Add an order to the orderlist of a vehicle.
Darkvater@1786:  * @param x,y unused
Darkvater@1786:  * @param p1 various bitstuffed elements
tron@2140:  * - p1 = (bit  0 - 15) - ID of the vehicle
Darkvater@1786:  * - p1 = (bit 16 - 31) - the selected order (if any). If the last order is given,
tron@2140:  *                        the order will be inserted before that one
tron@2140:  *                        only the first 8 bits used currently (bit 16 - 23) (max 255)
Darkvater@1786:  * @param p2 packed order to insert
truelight@1024:  */
Darkvater@1786: int32 CmdInsertOrder(int x, int y, uint32 flags, uint32 p1, uint32 p2)
truelight@1024: {
tron@1718: 	Vehicle *v;
tron@2140: 	VehicleID veh   = GB(p1,  0, 16);
tron@2140: 	OrderID sel_ord = GB(p1, 16, 16);
Darkvater@1786: 	Order new_order = UnpackOrder(p2);
truelight@1024: 
Darkvater@1786: 	if (!IsVehicleIndex(veh)) return CMD_ERROR;
Darkvater@1786: 	v = GetVehicle(veh);
tron@1718: 	if (v->type == 0 || !CheckOwnership(v->owner)) return CMD_ERROR;
tron@1718: 
Darkvater@1786: 	/* Check if the inserted order is to the correct destination (owner, type),
Darkvater@1786: 	 * and has the correct flags if any */
tron@1718: 	switch (new_order.type) {
tron@1718: 		case OT_GOTO_STATION: {
Darkvater@1786: 			const Station *st;
tron@1718: 
tron@1718: 			if (!IsStationIndex(new_order.station)) return CMD_ERROR;
tron@1718: 			st = GetStation(new_order.station);
tron@1718: 
tron@1718: 			if (!IsValidStation(st) ||
matthijs@1751: 					(st->airport_type != AT_OILRIG && !(IsBuoy(st)) && !CheckOwnership(st->owner))) {
tron@1718: 				return CMD_ERROR;
tron@1718: 			}
tron@1718: 
tron@1718: 			switch (v->type) {
tron@1718: 				case VEH_Train:
tron@1718: 					if (!(st->facilities & FACIL_TRAIN)) return CMD_ERROR;
tron@1718: 					break;
tron@1718: 
tron@1718: 				case VEH_Road:
tron@1718: 					if (v->cargo_type == CT_PASSENGERS) {
tron@1718: 						if (!(st->facilities & FACIL_BUS_STOP)) return CMD_ERROR;
tron@1718: 					} else {
tron@1718: 						if (!(st->facilities & FACIL_TRUCK_STOP)) return CMD_ERROR;
tron@1718: 					}
tron@1718: 					break;
tron@1718: 
tron@1718: 				case VEH_Ship:
tron@1718: 					if (!(st->facilities & FACIL_DOCK)) return CMD_ERROR;
tron@1718: 					break;
tron@1718: 
tron@1718: 				case VEH_Aircraft:
tron@1718: 					if (!(st->facilities & FACIL_AIRPORT)) return CMD_ERROR;
tron@1718: 					break;
tron@1718: 
Darkvater@1786: 				default: return CMD_ERROR;
tron@1718: 			}
tron@1718: 
Darkvater@2433: 			/* Order flags can be any of the following for stations:
Darkvater@2433: 			 * [full-load | unload] [+ transfer] [+ non-stop]
Darkvater@2433: 			 * non-stop orders (if any) are only valid for trains */
tron@1718: 			switch (new_order.flags) {
tron@2639: 				case 0:
tron@1718: 				case OF_FULL_LOAD:
tron@2639: 				case OF_FULL_LOAD | OF_TRANSFER:
tron@1718: 				case OF_UNLOAD:
tron@2639: 				case OF_UNLOAD | OF_TRANSFER:
Darkvater@2433: 				case OF_TRANSFER:
Darkvater@2433: 					break;
Darkvater@2433: 
tron@1718: 				case OF_NON_STOP:
tron@1718: 				case OF_NON_STOP | OF_FULL_LOAD:
tron@2639: 				case OF_NON_STOP | OF_FULL_LOAD | OF_TRANSFER:
tron@1718: 				case OF_NON_STOP | OF_UNLOAD:
tron@2639: 				case OF_NON_STOP | OF_UNLOAD | OF_TRANSFER:
Darkvater@2433: 				case OF_NON_STOP | OF_TRANSFER:
Darkvater@2433: 					if (v->type != VEH_Train) return CMD_ERROR;
tron@1718: 					break;
tron@1718: 
Darkvater@1786: 				default: return CMD_ERROR;
tron@1718: 			}
tron@1718: 			break;
tron@1718: 		}
tron@1718: 
tron@1718: 		case OT_GOTO_DEPOT: {
tron@1718: 			if (v->type == VEH_Aircraft) {
tron@1718: 				const Station* st;
tron@1718: 
tron@1718: 				if (!IsStationIndex(new_order.station)) return CMD_ERROR;
tron@1718: 				st = GetStation(new_order.station);
tron@1718: 
tron@1718: 				if (!IsValidStation(st) ||
tron@1718: 						(st->airport_type != AT_OILRIG && !CheckOwnership(st->owner)) ||
tron@1718: 						!(st->facilities & FACIL_AIRPORT) ||
tron@1718: 						GetAirport(st->airport_type)->nof_depots == 0) {
tron@1718: 					return CMD_ERROR;
tron@1718: 				}
tron@1718: 			} else {
tron@1718: 				const Depot* dp;
tron@1718: 
tron@1718: 				if (!IsDepotIndex(new_order.station)) return CMD_ERROR;
tron@1718: 				dp = GetDepot(new_order.station);
tron@1718: 
Darkvater@2433: 				if (!IsValidDepot(dp) || !CheckOwnership(GetTileOwner(dp->xy)))
tron@1718: 					return CMD_ERROR;
tron@1718: 
tron@1718: 				switch (v->type) {
tron@1718: 					case VEH_Train:
tron@1718: 						if (!IsTileDepotType(dp->xy, TRANSPORT_RAIL)) return CMD_ERROR;
tron@1718: 						break;
tron@1718: 
tron@1718: 					case VEH_Road:
tron@1718: 						if (!IsTileDepotType(dp->xy, TRANSPORT_ROAD)) return CMD_ERROR;
tron@1718: 						break;
tron@1718: 
tron@1718: 					case VEH_Ship:
tron@1718: 						if (!IsTileDepotType(dp->xy, TRANSPORT_WATER)) return CMD_ERROR;
tron@1718: 						break;
tron@1718: 
Darkvater@1786: 					default: return CMD_ERROR;
tron@1718: 				}
tron@1718: 			}
tron@1718: 
Darkvater@2433: 			/* Order flags can be any of the following for depots:
Darkvater@2433: 			 * order [+ halt] [+ non-stop]
Darkvater@2433: 			 * non-stop orders (if any) are only valid for trains */
tron@1718: 			switch (new_order.flags) {
tron@1718: 				case OF_PART_OF_ORDERS:
tron@1718: 				case OF_PART_OF_ORDERS | OF_HALT_IN_DEPOT:
Darkvater@2433: 					break;
Darkvater@2433: 
tron@1718: 				case OF_NON_STOP | OF_PART_OF_ORDERS:
tron@1718: 				case OF_NON_STOP | OF_PART_OF_ORDERS | OF_HALT_IN_DEPOT:
Darkvater@2433: 					if (v->type != VEH_Train) return CMD_ERROR;
tron@1718: 					break;
tron@1718: 
Darkvater@1786: 				default: return CMD_ERROR;
tron@1718: 			}
tron@1718: 			break;
tron@1718: 		}
tron@1718: 
tron@1718: 		case OT_GOTO_WAYPOINT: {
tron@1718: 			const Waypoint* wp;
tron@1718: 
tron@1718: 			if (v->type != VEH_Train) return CMD_ERROR;
tron@1718: 
tron@1718: 			if (!IsWaypointIndex(new_order.station)) return CMD_ERROR;
tron@1718: 			wp = GetWaypoint(new_order.station);
tron@1718: 
tron@1718: 			if (!CheckOwnership(GetTileOwner(wp->xy))) return CMD_ERROR;
tron@1718: 
Darkvater@2433: 			/* Order flags can be any of the following for waypoints:
Darkvater@2433: 			 * [non-stop]
Darkvater@2433: 			 * non-stop orders (if any) are only valid for trains */
tron@1718: 			switch (new_order.flags) {
Darkvater@2433: 				case 0: break;
Darkvater@2433: 
tron@1718: 				case OF_NON_STOP:
Darkvater@2433: 					if (v->type != VEH_Train) return CMD_ERROR;
tron@1718: 					break;
tron@1718: 
Darkvater@1786: 				default: return CMD_ERROR;
tron@1718: 			}
tron@1718: 			break;
tron@1718: 		}
tron@1718: 
Darkvater@1786: 		default: return CMD_ERROR;
tron@1718: 	}
tron@1718: 
Darkvater@1786: 	if (sel_ord > v->num_orders) return CMD_ERROR;
truelight@1024: 
Darkvater@1786: 	if (IsOrderPoolFull()) return_cmd_error(STR_8831_NO_MORE_SPACE_FOR_ORDERS);
truelight@1024: 
truelight@1024: 	/* XXX - This limit is only here because the backuppedorders can't
Darkvater@1786: 	 * handle any more then this.. */
Darkvater@2433: 	if (v->num_orders >= MAX_BACKUP_ORDER_COUNT) return_cmd_error(STR_8832_TOO_MANY_ORDERS);
truelight@1024: 
matthijs@1247: 	/* For ships, make sure that the station is not too far away from the
matthijs@1247: 	 * previous destination, for human players with new pathfinding disabled */
truelight@0: 	if (v->type == VEH_Ship && IS_HUMAN_PLAYER(v->owner) &&
Darkvater@1786: 		sel_ord != 0 && GetVehicleOrder(v, sel_ord - 1)->type == OT_GOTO_STATION
matthijs@1247: 		&& !_patches.new_pathfinding_all) {
truelight@193: 
tron@1245: 		int dist = DistanceManhattan(
Darkvater@1786: 			GetStation(GetVehicleOrder(v, sel_ord - 1)->station)->xy,
tron@1718: 			GetStation(new_order.station)->xy // XXX type != OT_GOTO_STATION?
tron@555: 		);
truelight@0: 		if (dist >= 130)
truelight@0: 			return_cmd_error(STR_0210_TOO_FAR_FROM_PREVIOUS_DESTINATIO);
truelight@0: 	}
truelight@0: 
truelight@0: 	if (flags & DC_EXEC) {
truelight@0: 		Vehicle *u;
Darkvater@1786: 		Order *new = AllocateOrder();
truelight@1024: 		AssignOrder(new, new_order);
truelight@193: 
truelight@1024: 		/* Create new order and link in list */
truelight@1024: 		if (v->orders == NULL) {
truelight@1024: 			v->orders = new;
truelight@1024: 		} else {
truelight@1024: 			/* Try to get the previous item (we are inserting above the
truelight@1024: 			    selected) */
Darkvater@1786: 			Order *order = GetVehicleOrder(v, sel_ord - 1);
truelight@0: 
Darkvater@1786: 			if (order == NULL && GetVehicleOrder(v, sel_ord) != NULL) {
truelight@1024: 				/* There is no previous item, so we are altering v->orders itself
truelight@1024: 				    But because the orders can be shared, we copy the info over
truelight@1024: 				    the v->orders, so we don't have to change the pointers of
truelight@1024: 				    all vehicles */
truelight@1024: 				SwapOrders(v->orders, new);
truelight@1024: 				/* Now update the next pointers */
truelight@1024: 				v->orders->next = new;
truelight@1024: 			} else if (order == NULL) {
truelight@1024: 				/* 'sel' is a non-existing order, add him to the end */
truelight@1024: 				order = GetLastVehicleOrder(v);
truelight@1024: 				order->next = new;
truelight@1024: 			} else {
truelight@1024: 				/* Put the new order in between */
truelight@1024: 				new->next = order->next;
truelight@1024: 				order->next = new;
truelight@0: 			}
truelight@0: 		}
tron@588: 
truelight@1024: 		u = GetFirstVehicleFromSharedList(v);
truelight@1024: 		while (u != NULL) {
truelight@1024: 			/* Increase amount of orders */
truelight@1024: 			u->num_orders++;
truelight@1024: 
truelight@1024: 			/* If the orderlist was empty, assign it */
Darkvater@1786: 			if (u->orders == NULL) u->orders = v->orders;
truelight@1024: 
truelight@1024: 			assert(v->orders == u->orders);
truelight@1024: 
truelight@1024: 			/* If there is added an order before the current one, we need
truelight@1024: 			to update the selected order */
Darkvater@1786: 			if (sel_ord <= u->cur_order_index) {
truelight@1024: 				uint cur = u->cur_order_index + 1;
truelight@1024: 				/* Check if we don't go out of bound */
truelight@1024: 				if (cur < u->num_orders)
truelight@1024: 					u->cur_order_index = cur;
truelight@1024: 			}
truelight@1024: 			/* Update any possible open window of the vehicle */
truelight@1024: 			InvalidateVehicleOrder(u);
truelight@1024: 
truelight@1024: 			u = u->next_shared;
truelight@1024: 		}
truelight@1024: 
truelight@1024: 		/* Make sure to rebuild the whole list */
tron@588: 		RebuildVehicleLists();
truelight@0: 	}
truelight@0: 
truelight@0: 	return 0;
truelight@0: }
truelight@0: 
Darkvater@1786: /** Declone an order-list
Darkvater@1786:  * @param *dst delete the orders of this vehicle
Darkvater@1786:  * @param flags execution flags
truelight@1024:  */
truelight@0: static int32 DecloneOrder(Vehicle *dst, uint32 flags)
truelight@0: {
truelight@0: 	if (flags & DC_EXEC) {
truelight@1024: 		DeleteVehicleOrders(dst);
truelight@1024: 		InvalidateVehicleOrder(dst);
tron@588: 		RebuildVehicleLists();
truelight@0: 	}
truelight@0: 	return 0;
truelight@0: }
truelight@0: 
Darkvater@1786: /** Delete an order from the orderlist of a vehicle.
Darkvater@1786:  * @param x,y unused
Darkvater@1786:  * @param p1 the ID of the vehicle
Darkvater@1786:  * @param p2 the order to delete (max 255)
truelight@0:  */
Darkvater@1786: int32 CmdDeleteOrder(int x, int y, uint32 flags, uint32 p1, uint32 p2)
truelight@0: {
Darkvater@1786: 	Vehicle *v, *u;
Darkvater@1786: 	VehicleID veh_id = p1;
Darkvater@1786: 	OrderID sel_ord = p2;
truelight@1024: 	Order *order;
truelight@0: 
Darkvater@1786: 	if (!IsVehicleIndex(veh_id)) return CMD_ERROR;
Darkvater@1786: 	v = GetVehicle(veh_id);
tron@1718: 	if (v->type == 0 || !CheckOwnership(v->owner)) return CMD_ERROR;
tron@1718: 
truelight@1024: 	/* If we did not select an order, we maybe want to de-clone the orders */
Darkvater@1786: 	if (sel_ord >= v->num_orders)
truelight@0: 		return DecloneOrder(v, flags);
truelight@0: 
Darkvater@1786: 	order = GetVehicleOrder(v, sel_ord);
Darkvater@1786: 	if (order == NULL) return CMD_ERROR;
truelight@0: 
truelight@1024: 	if (flags & DC_EXEC) {
Darkvater@1786: 		if (GetVehicleOrder(v, sel_ord - 1) == NULL) {
Darkvater@1786: 			if (GetVehicleOrder(v, sel_ord + 1) != NULL) {
truelight@1024: 				/* First item, but not the last, so we need to alter v->orders
truelight@1024: 				    Because we can have shared order, we copy the data
truelight@1024: 				    from the next item over the deleted */
Darkvater@1786: 				order = GetVehicleOrder(v, sel_ord + 1);
truelight@1024: 				SwapOrders(v->orders, order);
truelight@1024: 			} else {
truelight@1024: 				/* Last item, so clean the list */
truelight@1024: 				v->orders = NULL;
truelight@1024: 			}
truelight@1024: 		} else {
Darkvater@1786: 			GetVehicleOrder(v, sel_ord - 1)->next = order->next;
truelight@1024: 		}
truelight@0: 
truelight@1024: 		/* Give the item free */
truelight@1024: 		order->type = OT_NOTHING;
truelight@1106: 		order->next = NULL;
truelight@0: 
truelight@1024: 		u = GetFirstVehicleFromSharedList(v);
truelight@1024: 		while (u != NULL) {
truelight@1024: 			u->num_orders--;
truelight@1024: 
Darkvater@1786: 			if (sel_ord < u->cur_order_index)
truelight@1024: 				u->cur_order_index--;
truelight@1024: 
truelight@1024: 			/* If we removed the last order, make sure the shared vehicles
Darkvater@1786: 			 * also set their orders to NULL */
Darkvater@1786: 			if (v->orders == NULL) u->orders = NULL;
truelight@1024: 
truelight@1024: 			assert(v->orders == u->orders);
truelight@1024: 
truelight@1024: 			/* NON-stop flag is misused to see if a train is in a station that is
Darkvater@1786: 			 * on his order list or not */
Darkvater@1786: 			if (sel_ord == u->cur_order_index && u->current_order.type == OT_LOADING &&
truelight@1024: 					HASBIT(u->current_order.flags, OFB_NON_STOP)) {
truelight@1024: 				u->current_order.flags = 0;
truelight@0: 			}
truelight@1024: 
truelight@1024: 			/* Update any possible open window of the vehicle */
truelight@1024: 			InvalidateVehicleOrder(u);
truelight@1024: 
truelight@1024: 			u = u->next_shared;
truelight@0: 		}
tron@588: 
tron@588: 		RebuildVehicleLists();
truelight@0: 	}
truelight@193: 
truelight@0: 	return 0;
truelight@0: }
truelight@0: 
Darkvater@1786: /** Goto next order of order-list.
Darkvater@1786:  * @param x,y unused
Darkvater@1786:  * @param p1 The ID of the vehicle which order is skipped
Darkvater@1786:  * @param p2 unused
truelight@1024:  */
Darkvater@1786: int32 CmdSkipOrder(int x, int y, uint32 flags, uint32 p1, uint32 p2)
truelight@0: {
tron@1718: 	Vehicle *v;
Darkvater@1786: 	VehicleID veh_id = p1;
tron@1718: 
Darkvater@1786: 	if (!IsVehicleIndex(veh_id)) return CMD_ERROR;
Darkvater@1786: 	v = GetVehicle(veh_id);
tron@1718: 	if (v->type == 0 || !CheckOwnership(v->owner)) return CMD_ERROR;
celestar@1020: 
truelight@0: 	if (flags & DC_EXEC) {
truelight@1024: 		/* Goto next order */
Darkvater@1786: 		OrderID b = v->cur_order_index + 1;
Darkvater@1786: 		if (b >= v->num_orders) b = 0;
truelight@1024: 
Darkvater@1786: 		v->cur_order_index = b;
truelight@193: 
Darkvater@1786: 		if (v->type == VEH_Train) v->u.rail.days_since_order_progr = 0;
celestar@1217: 
Darkvater@1786: 		if (v->type == VEH_Road) ClearSlot(v, v->u.road.slot);
truelight@0: 
truelight@1024: 		/* NON-stop flag is misused to see if a train is in a station that is
Darkvater@1786: 		 * on his order list or not */
Darkvater@1786: 		if (v->current_order.type == OT_LOADING && HASBIT(v->current_order.flags, OFB_NON_STOP))
tron@555: 			v->current_order.flags = 0;
truelight@0: 
truelight@1024: 		InvalidateVehicleOrder(v);
truelight@0: 	}
celestar@1020: 
truelight@1024: 	/* We have an aircraft/ship, they have a mini-schedule, so update them all */
Celestar@1055: 	if (v->type == VEH_Aircraft) InvalidateWindowClasses(WC_AIRCRAFT_LIST);
Celestar@1055: 	if (v->type == VEH_Ship) InvalidateWindowClasses(WC_SHIPS_LIST);
celestar@1020: 
truelight@0: 	return 0;
truelight@0: }
truelight@0: 
truelight@1024: 
Darkvater@1786: /** Modify an order in the orderlist of a vehicle.
Darkvater@1786:  * @param x,y unused
Darkvater@1786:  * @param p1 various bitstuffed elements
tron@2140:  * - p1 = (bit  0 - 15) - ID of the vehicle
Darkvater@1786:  * - p1 = (bit 16 - 31) - the selected order (if any). If the last order is given,
tron@2140:  *                        the order will be inserted before that one
tron@2140:  *                        only the first 8 bits used currently (bit 16 - 23) (max 255)
Darkvater@1786:  * @param p2 mode to change the order to (always set)
truelight@0:  */
Darkvater@1786: int32 CmdModifyOrder(int x, int y, uint32 flags, uint32 p1, uint32 p2)
truelight@0: {
tron@1718: 	Vehicle *v;
truelight@1024: 	Order *order;
tron@2140: 	OrderID sel_ord = GB(p1, 16, 16); // XXX - automatically truncated to 8 bits.
tron@2140: 	VehicleID veh   = GB(p1,  0, 16);
truelight@0: 
Darkvater@1786: 	if (!IsVehicleIndex(veh)) return CMD_ERROR;
celestar@1935: 	if (p2 != OFB_FULL_LOAD && p2 != OFB_UNLOAD && p2 != OFB_NON_STOP && p2 != OFB_TRANSFER) return CMD_ERROR;
Darkvater@1786: 
Darkvater@1786: 	v = GetVehicle(veh);
tron@1718: 	if (v->type == 0 || !CheckOwnership(v->owner)) return CMD_ERROR;
tron@1718: 
truelight@1024: 	/* Is it a valid order? */
Darkvater@1786: 	if (sel_ord >= v->num_orders) return CMD_ERROR;
truelight@0: 
Darkvater@1786: 	order = GetVehicleOrder(v, sel_ord);
truelight@1024: 	if (order->type != OT_GOTO_STATION &&
Darkvater@1786: 		 (order->type != OT_GOTO_DEPOT || p2 == OFB_UNLOAD) &&
Darkvater@1786: 		 (order->type != OT_GOTO_WAYPOINT || p2 != OFB_NON_STOP))
truelight@0: 		return CMD_ERROR;
truelight@0: 
truelight@0: 	if (flags & DC_EXEC) {
Darkvater@1786: 		switch (p2) {
truelight@1024: 		case OFB_FULL_LOAD:
truelight@1024: 			TOGGLEBIT(order->flags, OFB_FULL_LOAD);
tron@2639: 			if (order->type != OT_GOTO_DEPOT) CLRBIT(order->flags, OFB_UNLOAD);
truelight@0: 			break;
truelight@1024: 		case OFB_UNLOAD:
truelight@1024: 			TOGGLEBIT(order->flags, OFB_UNLOAD);
truelight@1024: 			CLRBIT(order->flags, OFB_FULL_LOAD);
truelight@0: 			break;
truelight@1024: 		case OFB_NON_STOP:
truelight@1024: 			TOGGLEBIT(order->flags, OFB_NON_STOP);
truelight@0: 			break;
celestar@1935: 		case OFB_TRANSFER:
celestar@1935: 			TOGGLEBIT(order->flags, OFB_TRANSFER);
celestar@1935: 			break;
Darkvater@1786: 		default: NOT_REACHED();
truelight@0: 		}
truelight@0: 
matthijs@1760: 		/* Update the windows and full load flags, also for vehicles that share the same order list */
truelight@1024: 		{
truelight@1024: 			Vehicle *u = GetFirstVehicleFromSharedList(v);
truelight@1024: 			while (u != NULL) {
matthijs@1760: 				/* toggle u->current_order "Full load" flag if it changed */
Darkvater@1786: 				if (sel_ord == u->cur_order_index &&
matthijs@1760: 						HASBIT(u->current_order.flags, OFB_FULL_LOAD) != HASBIT(order->flags, OFB_FULL_LOAD))
matthijs@1760: 					TOGGLEBIT(u->current_order.flags, OFB_FULL_LOAD);
truelight@1024: 				InvalidateVehicleOrder(u);
truelight@1024: 				u = u->next_shared;
truelight@1024: 			}
truelight@0: 		}
truelight@0: 	}
truelight@193: 
truelight@0: 	return 0;
truelight@0: }
truelight@0: 
Darkvater@1793: /** Clone/share/copy an order-list of an other vehicle.
Darkvater@1793:  * @param p1 various bitstuffed elements
Darkvater@1793:  * - p1 = (bit  0-15) - destination vehicle to clone orders to (p1 & 0xFFFF)
Darkvater@1793:  * - p1 = (bit 16-31) - source vehicle to clone orders from, if any (none for CO_UNSHARE)
Darkvater@1793:  * @param p2 mode of cloning: CO_SHARE, CO_COPY, or CO_UNSHARE
truelight@1024:  */
Darkvater@1793: int32 CmdCloneOrder(int x, int y, uint32 flags, uint32 p1, uint32 p2)
truelight@1024: {
Darkvater@1793: 	Vehicle *dst;
tron@2140: 	VehicleID veh_src = GB(p1, 16, 16);
tron@2140: 	VehicleID veh_dst = GB(p1,  0, 16);
truelight@0: 
Darkvater@1793: 	if (!IsVehicleIndex(veh_dst)) return CMD_ERROR;
truelight@0: 
Darkvater@1793: 	dst = GetVehicle(veh_dst);
Darkvater@1793: 
Darkvater@1793: 	if (dst->type == 0 || !CheckOwnership(dst->owner)) return CMD_ERROR;
Darkvater@1793: 
Darkvater@1793: 	switch (p2) {
truelight@1024: 		case CO_SHARE: {
Darkvater@1793: 			Vehicle *src;
Darkvater@1793: 
Darkvater@1793: 			if (!IsVehicleIndex(veh_src)) return CMD_ERROR;
Darkvater@1793: 
Darkvater@1793: 			src = GetVehicle(veh_src);
tron@588: 
truelight@1024: 			/* Sanity checks */
Darkvater@1793: 			if (src->type == 0 || !CheckOwnership(src->owner) || dst->type != src->type || dst == src)
truelight@1024: 				return CMD_ERROR;
truelight@0: 
truelight@1024: 			/* Trucks can't share orders with busses (and visa versa) */
truelight@1024: 			if (src->type == VEH_Road) {
truelight@1024: 				if (src->cargo_type != dst->cargo_type && (src->cargo_type == CT_PASSENGERS || dst->cargo_type == CT_PASSENGERS))
truelight@1024: 					return CMD_ERROR;
truelight@1024: 			}
truelight@193: 
truelight@1024: 			/* Is the vehicle already in the shared list? */
truelight@1024: 			{
truelight@1024: 				Vehicle *u = GetFirstVehicleFromSharedList(src);
truelight@1024: 				while (u != NULL) {
truelight@1024: 					if (u == dst)
darkvater@29: 						return CMD_ERROR;
truelight@1024: 					u = u->next_shared;
darkvater@29: 				}
darkvater@29: 			}
truelight@0: 
truelight@1024: 			if (flags & DC_EXEC) {
truelight@1024: 				/* If the destination vehicle had a OrderList, destroy it */
truelight@1024: 				DeleteVehicleOrders(dst);
truelight@0: 
truelight@1024: 				dst->orders = src->orders;
truelight@1024: 				dst->num_orders = src->num_orders;
tron@588: 
truelight@1024: 				/* Link this vehicle in the shared-list */
truelight@1024: 				dst->next_shared = src->next_shared;
truelight@1024: 				dst->prev_shared = src;
truelight@1024: 				if (src->next_shared != NULL)
truelight@1024: 					src->next_shared->prev_shared = dst;
truelight@1024: 				src->next_shared = dst;
truelight@0: 
truelight@1024: 				InvalidateVehicleOrder(dst);
truelight@1024: 				InvalidateVehicleOrder(src);
truelight@1024: 
truelight@1024: 				RebuildVehicleLists();
truelight@1024: 			}
truelight@1024: 		} break;
truelight@1024: 
truelight@1024: 		case CO_COPY: {
Darkvater@1793: 			Vehicle *src;
truelight@1024: 			int delta;
truelight@1024: 
Darkvater@1793: 			if (!IsVehicleIndex(veh_src)) return CMD_ERROR;
Darkvater@1793: 
Darkvater@1793: 			src = GetVehicle(veh_src);
Darkvater@1793: 
truelight@1024: 			/* Sanity checks */
Darkvater@1793: 			if (src->type == 0 || !CheckOwnership(src->owner) || dst->type != src->type || dst == src)
truelight@1024: 				return CMD_ERROR;
truelight@1024: 
truelight@1024: 			/* Trucks can't copy all the orders from busses (and visa versa) */
truelight@1024: 			if (src->type == VEH_Road) {
truelight@1024: 				const Order *order;
celestar@1297: 				TileIndex required_dst = INVALID_TILE;
truelight@1024: 
truelight@1024: 				FOR_VEHICLE_ORDERS(src, order) {
truelight@1024: 					if (order->type == OT_GOTO_STATION) {
truelight@1024: 						const Station *st = GetStation(order->station);
celestar@1297: 						if (dst->cargo_type == CT_PASSENGERS) {
celestar@1297: 							if (st->bus_stops != NULL) required_dst = st->bus_stops->xy;
celestar@1297: 						} else {
celestar@1297: 							if (st->truck_stops != NULL) required_dst = st->truck_stops->xy;
celestar@1297: 						}
truelight@1024: 						/* This station has not the correct road-bay, so we can't copy! */
celestar@1297: 						if (required_dst == INVALID_TILE)
truelight@1024: 							return CMD_ERROR;
truelight@1024: 					}
truelight@1024: 				}
truelight@1024: 			}
truelight@1024: 
truelight@1024: 			/* make sure there are orders available */
truelight@1024: 			delta = IsOrderListShared(dst) ? src->num_orders + 1 : src->num_orders - dst->num_orders;
truelight@1024: 			if (!HasOrderPoolFree(delta))
truelight@1024: 				return_cmd_error(STR_8831_NO_MORE_SPACE_FOR_ORDERS);
truelight@1024: 
truelight@1024: 			if (flags & DC_EXEC) {
truelight@1024: 				const Order *order;
truelight@1024: 				Order **order_dst;
truelight@1024: 
truelight@1024: 				/* If the destination vehicle had a OrderList, destroy it */
truelight@1024: 				DeleteVehicleOrders(dst);
truelight@1024: 
truelight@1024: 				order_dst = &dst->orders;
truelight@1024: 				FOR_VEHICLE_ORDERS(src, order) {
truelight@1024: 					*order_dst = AllocateOrder();
truelight@1024: 					AssignOrder(*order_dst, *order);
truelight@1024: 					order_dst = &(*order_dst)->next;
truelight@1024: 				}
truelight@1024: 
truelight@1024: 				dst->num_orders = src->num_orders;
truelight@1024: 
truelight@1024: 				InvalidateVehicleOrder(dst);
truelight@1024: 
truelight@1024: 				RebuildVehicleLists();
truelight@1024: 			}
truelight@1024: 		} break;
truelight@1024: 
Darkvater@1793: 		case CO_UNSHARE: return DecloneOrder(dst, flags);
Darkvater@1796: 		default: return CMD_ERROR;
truelight@0: 	}
truelight@0: 
truelight@0: 	return 0;
truelight@0: }
truelight@0: 
truelight@1024: /**
truelight@1024:  *
truelight@1024:  * Backup a vehicle order-list, so you can replace a vehicle
truelight@1024:  *  without loosing the order-list
truelight@1024:  *
truelight@1024:  */
Darkvater@1796: void BackupVehicleOrders(const Vehicle *v, BackuppedOrders *bak)
truelight@0: {
truelight@1024: 	/* Save general info */
truelight@1024: 	bak->orderindex       = v->cur_order_index;
truelight@0: 	bak->service_interval = v->service_interval;
truelight@193: 
truelight@1024: 	/* Safe custom string, if any */
truelight@0: 	if ((v->string_id & 0xF800) != 0x7800) {
tron@2639: 		bak->name[0] = '\0';
truelight@0: 	} else {
truelight@0: 		GetName(v->string_id & 0x7FF, bak->name);
truelight@0: 	}
truelight@0: 
truelight@1024: 	/* If we have shared orders, store it on a special way */
Darkvater@1796: 	if (IsOrderListShared(v)) {
Darkvater@1796: 		const Vehicle *u = (v->next_shared) ? v->next_shared : v->prev_shared;
truelight@1024: 
tron@555: 		bak->clone = u->index;
tron@555: 	} else {
truelight@1024: 		/* Else copy the orders */
truelight@1024: 		Order *order, *dest;
tron@555: 
Darkvater@1796: 		dest = bak->order;
truelight@1024: 
truelight@1024: 		/* We do not have shared orders */
tron@555: 		bak->clone = INVALID_VEHICLE;
tron@555: 
truelight@1024: 		/* Copy the orders */
truelight@1024: 		FOR_VEHICLE_ORDERS(v, order) {
truelight@1024: 			*dest = *order;
truelight@1024: 			dest++;
truelight@1024: 		}
truelight@1024: 		/* End the list with an OT_NOTHING */
truelight@1024: 		dest->type = OT_NOTHING;
truelight@1106: 		dest->next = NULL;
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@1024: /**
truelight@1024:  *
truelight@1024:  * Restore vehicle orders that are backupped via BackupVehicleOrders
truelight@1024:  *
truelight@1024:  */
tron@2630: void RestoreVehicleOrders(const Vehicle* v, const BackuppedOrders* bak)
truelight@0: {
Darkvater@1796: 	uint i;
truelight@0: 
truelight@1024: 	/* If we have a custom name, process that */
truelight@1024: 	if (bak->name[0] != 0) {
tron@1820: 		_cmd_text = bak->name;
truelight@0: 		DoCommandP(0, v->index, 0, NULL, CMD_NAME_VEHICLE);
truelight@0: 	}
truelight@0: 
truelight@1024: 	/* If we had shared orders, recover that */
tron@555: 	if (bak->clone != INVALID_VEHICLE) {
truelight@1024: 		DoCommandP(0, v->index | (bak->clone << 16), 0, NULL, CMD_CLONE_ORDER);
truelight@0: 		return;
truelight@0: 	}
truelight@0: 
truelight@1024: 	/* CMD_NO_TEST_IF_IN_NETWORK is used here, because CMD_INSERT_ORDER checks if the
truelight@1024: 	    order number is one more than the current amount of orders, and because
truelight@1024: 	    in network the commands are queued before send, the second insert always
truelight@1024: 	    fails in test mode. By bypassing the test-mode, that no longer is a problem. */
Darkvater@1796: 	for (i = 0; bak->order[i].type != OT_NOTHING; i++) {
tron@555: 		if (!DoCommandP(0, v->index + (i << 16), PackOrder(&bak->order[i]), NULL, CMD_INSERT_ORDER | CMD_NO_TEST_IF_IN_NETWORK))
truelight@0: 			break;
Darkvater@1796: 	}
Darkvater@1796: 
Darkvater@1796: 	/* Restore vehicle order-index and service interval */
Darkvater@1796: 	DoCommandP(0, v->index, bak->orderindex | (bak->service_interval << 16) , NULL, CMD_RESTORE_ORDER_INDEX);
truelight@0: }
truelight@0: 
Darkvater@1796: /** Restore the current order-index of a vehicle and sets service-interval.
Darkvater@1796:  * @param x,y unused
Darkvater@1796:  * @param p1 the ID of the vehicle
Darkvater@1796:  * @param p2 various bistuffed elements
Darkvater@1796:  * - p2 = (bit  0-15) - current order-index (p2 & 0xFFFF)
Darkvater@1796:  * - p2 = (bit 16-31) - service interval (p2 >> 16)
Darkvater@1796:  * @todo Unfortunately you cannot safely restore the unitnumber or the old vehicle
Darkvater@1796:  * as far as I can see. We can store it in BackuppedOrders, and restore it, but
Darkvater@1796:  * but we have no way of seeing it has been tampered with or not, as we have no
Darkvater@1796:  * legit way of knowing what that ID was.@n
Darkvater@1796:  * If we do want to backup/restore it, just add UnitID uid to BackuppedOrders, and
Darkvater@1796:  * restore it as parameter 'y' (ugly hack I know) for example. "v->unitnumber = y;"
truelight@0:  */
Darkvater@1796: int32 CmdRestoreOrderIndex(int x, int y, uint32 flags, uint32 p1, uint32 p2)
truelight@0: {
Darkvater@1796: 	Vehicle *v;
tron@2635: 	OrderID cur_ord = GB(p2,  0, 16);
tron@2635: 	uint16 serv_int = GB(p2, 16, 16);
tron@1718: 
Darkvater@1796: 	if (!IsVehicleIndex(p1)) return CMD_ERROR;
Darkvater@1796: 
Darkvater@1796: 	v = GetVehicle(p1);
Darkvater@1796: 	/* Check the vehicle type and ownership, and if the service interval and order are in range */
tron@1718: 	if (v->type == 0 || !CheckOwnership(v->owner)) return CMD_ERROR;
Darkvater@1796: 	if (serv_int != GetServiceIntervalClamped(serv_int) || cur_ord >= v->num_orders) return CMD_ERROR;
tron@1718: 
truelight@0: 	if (flags & DC_EXEC) {
Darkvater@1796: 		v->cur_order_index = cur_ord;
Darkvater@1796: 		v->service_interval = serv_int;
truelight@0: 	}
truelight@1024: 
truelight@0: 	return 0;
truelight@0: }
dominik@19: 
truelight@1024: /**
truelight@1024:  *
truelight@1024:  * Check the orders of a vehicle, to see if there are invalid orders and stuff
truelight@1024:  *
truelight@1024:  */
celestar@1053: bool CheckOrders(uint data_a, uint data_b)
dominik@19: {
tron@2549: 	const Vehicle* v = GetVehicle(data_a);
tron@2549: 
truelight@1024: 	/* Does the user wants us to check things? */
tron@2549: 	if (_patches.order_review_system == 0) return false;
dominik@19: 
truelight@1024: 	/* Do nothing for crashed vehicles */
tron@2549: 	if (v->vehstatus & VS_CRASHED) return false;
truelight@1024: 
truelight@1024: 	/* Do nothing for stopped vehicles if setting is '1' */
tron@2549: 	if (_patches.order_review_system == 1 && v->vehstatus & VS_STOPPED)
truelight@1024: 		return false;
truelight@1024: 
celestar@1053: 	/* do nothing we we're not the first vehicle in a share-chain */
tron@2549: 	if (v->next_shared != NULL) return false;
celestar@1053: 
truelight@1024: 	/* Only check every 20 days, so that we don't flood the message log */
tron@2549: 	if (v->owner == _local_player && v->day_counter % 20 == 0) {
truelight@1024: 		int n_st, problem_type = -1;
truelight@1024: 		const Order *order;
truelight@1024: 		const Station *st;
truelight@1024: 		int message = 0;
dominik@55: 
truelight@1024: 		/* Check the order list */
dominik@55: 		n_st = 0;
dominik@55: 
celestar@1053: 		/*if (data_b == OC_INIT) {
celestar@1053: 			DEBUG(misc, 3) ("CheckOrder called in mode 0 (initiation mode) for %d", v->index);
celestar@1053: 		} else {
celestar@1053: 			DEBUG(misc, 3) ("CheckOrder called in mode 1 (validation mode) for %d", v->index);
celestar@1053: 		}*/
truelight@1106: 
truelight@1024: 		FOR_VEHICLE_ORDERS(v, order) {
truelight@1024: 			/* Dummy order? */
truelight@1024: 			if (order->type == OT_DUMMY) {
dominik@55: 				problem_type = 1;
dominik@55: 				break;
dominik@55: 			}
truelight@1024: 			/* Does station have a load-bay for this vehicle? */
truelight@1024: 			if (order->type == OT_GOTO_STATION) {
truelight@1024: 				TileIndex required_tile;
truelight@1024: 
dominik@19: 				n_st++;
truelight@1024: 				st = GetStation(order->station);
truelight@1024: 				required_tile = GetStationTileForVehicle(v, st);
tron@2639: 				if (required_tile == 0) problem_type = 3;
dominik@19: 			}
dominik@19: 		}
dominik@19: 
truelight@1024: 		/* Check if the last and the first order are the same */
truelight@1024: 		if (v->num_orders > 1 &&
truelight@1024: 				v->orders->type    == GetLastVehicleOrder(v)->type &&
truelight@1024: 				v->orders->flags   == GetLastVehicleOrder(v)->flags &&
truelight@1024: 				v->orders->station == GetLastVehicleOrder(v)->station)
dominik@55: 			problem_type = 2;
truelight@193: 
truelight@1024: 		/* Do we only have 1 station in our order list? */
tron@2639: 		if (n_st < 2 && problem_type == -1) problem_type = 0;
truelight@193: 
truelight@1024: 		/* We don't have a problem */
celestar@1053: 		if (problem_type < 0) {
celestar@1053: 			/*if (data_b == OC_INIT) {
celestar@1053: 				DEBUG(misc, 3) ("CheckOrder mode 0: no problems found for %d", v->index);
celestar@1053: 			} else {
celestar@1053: 				DEBUG(misc, 3) ("CheckOrder mode 1: news item surpressed for %d", v->index);
celestar@1053: 			}*/
truelight@1024: 			return false;
celestar@1053: 		}
celestar@1053: 
celestar@1053: 		/* we have a problem, are we're just in the validation process
celestar@1053: 		   so don't display an error message */
celestar@1053: 		if (data_b == OC_VALIDATE) {
celestar@1053: 			/*DEBUG(misc, 3) ("CheckOrder mode 1: new item validated for %d", v->index);*/
celestar@1053: 			return true;
celestar@1053: 		}
truelight@193: 
tron@2549: 		message = STR_TRAIN_HAS_TOO_FEW_ORDERS + ((v->type - VEH_Train) << 2) + problem_type;
celestar@1053: 		/*DEBUG(misc, 3) ("Checkorder mode 0: Triggered News Item for %d", v->index);*/
truelight@193: 
truelight@1024: 		SetDParam(0, v->unitnumber);
celestar@1053: 		AddValidatedNewsItem(
dominik@55: 			message,
truelight@1024: 			NEWS_FLAGS(NM_SMALL, NF_VIEWPORT | NF_VEHICLE, NT_ADVICE, 0),
dominik@55: 			v->index,
celestar@1053: 			OC_VALIDATE,	//next time, just validate the orders
celestar@1053: 			CheckOrders);
dominik@19: 	}
dominik@19: 
truelight@1024: 	return true;
dominik@19: }
truelight@1024: 
truelight@1024: /**
truelight@1024:  *
truelight@1024:  * Delete a destination (like station, waypoint, ..) from the orders of vehicles
truelight@1024:  *
truelight@1024:  * @param dest type and station has to be set. This order will be removed from all orders of vehicles
truelight@1024:  *
truelight@1024:  */
truelight@1024: void DeleteDestinationFromVehicleOrder(Order dest)
truelight@1024: {
truelight@1024: 	Vehicle *v;
truelight@1024: 	Order *order;
truelight@1024: 	bool need_invalidate;
truelight@1024: 
truelight@1024: 	/* Go through all vehicles */
truelight@1024: 	FOR_ALL_VEHICLES(v) {
truelight@1024: 		if (v->type == 0 || v->orders == NULL)
truelight@1024: 			continue;
truelight@1024: 
truelight@1024: 		/* Forget about this station if this station is removed */
truelight@1024: 		if (v->last_station_visited == dest.station && dest.type == OT_GOTO_STATION)
truelight@1266: 			v->last_station_visited = INVALID_STATION;
truelight@1024: 
truelight@1024: 		/* Check the current order */
truelight@1024: 		if (v->current_order.type    == dest.type &&
truelight@1024: 				v->current_order.station == dest.station) {
truelight@1024: 			/* Mark the order as DUMMY */
truelight@1024: 			v->current_order.type = OT_DUMMY;
truelight@1024: 			v->current_order.flags = 0;
truelight@1024: 			InvalidateWindow(WC_VEHICLE_VIEW, v->index);
truelight@1024: 		}
truelight@1024: 
truelight@1024: 		/* Clear the order from the order-list */
truelight@1024: 		need_invalidate = false;
truelight@1024: 		FOR_VEHICLE_ORDERS(v, order) {
truelight@1024: 			if (order->type == dest.type && order->station == dest.station) {
truelight@1024: 				/* Mark the order as DUMMY */
truelight@1024: 				order->type = OT_DUMMY;
truelight@1024: 				order->flags = 0;
truelight@1024: 
truelight@1024: 				need_invalidate = true;
truelight@1024: 			}
truelight@1024: 		}
truelight@1024: 
truelight@1024: 		/* Only invalidate once, and if needed */
truelight@1024: 		if (need_invalidate)
truelight@1024: 			InvalidateWindow(WC_VEHICLE_ORDERS, v->index);
truelight@1024: 	}
truelight@1024: }
truelight@1024: 
truelight@1024: /**
truelight@1024:  *
truelight@1024:  * Checks if a vehicle has a GOTO_DEPOT in his order list
truelight@1024:  *
truelight@1024:  * @return True if this is true (lol ;))
truelight@1024:  *
truelight@1024:  */
truelight@1024: bool VehicleHasDepotOrders(const Vehicle *v)
truelight@1024: {
truelight@1024: 	const Order *order;
truelight@1024: 
truelight@1024: 	FOR_VEHICLE_ORDERS(v, order) {
truelight@1024: 		if (order->type == OT_GOTO_DEPOT)
truelight@1024: 			return true;
truelight@1024: 	}
truelight@1024: 
truelight@1024: 	return false;
truelight@1024: }
truelight@1024: 
truelight@1024: /**
truelight@1024:  *
truelight@1024:  * Delete all orders from a vehicle
truelight@1024:  *
truelight@1024:  */
truelight@1024: void DeleteVehicleOrders(Vehicle *v)
truelight@1024: {
truelight@1024: 	Order *order, *cur;
truelight@1024: 
truelight@1024: 	/* If we have a shared order-list, don't delete the list, but just
truelight@1024: 	    remove our pointer */
truelight@1024: 	if (IsOrderListShared(v)) {
truelight@1024: 		const Vehicle *u = v;
truelight@1024: 
truelight@1024: 		v->orders = NULL;
truelight@1024: 		v->num_orders = 0;
truelight@1024: 
truelight@1024: 		/* Unlink ourself */
truelight@1024: 		if (v->prev_shared != NULL) {
truelight@1024: 			v->prev_shared->next_shared = v->next_shared;
truelight@1024: 			u = v->prev_shared;
truelight@1024: 		}
truelight@1024: 		if (v->next_shared != NULL) {
truelight@1024: 			v->next_shared->prev_shared = v->prev_shared;
truelight@1024: 			u = v->next_shared;
truelight@1024: 		}
truelight@1024: 		v->prev_shared = NULL;
truelight@1024: 		v->next_shared = NULL;
truelight@1024: 
truelight@1024: 		/* We only need to update this-one, because if there is a third
truelight@1024: 		    vehicle which shares the same order-list, nothing will change. If
truelight@1024: 		    this is the last vehicle, the last line of the order-window
truelight@1024: 		    will change from Shared order list, to Order list, so it needs
truelight@1024: 		    an update */
truelight@1024: 		InvalidateVehicleOrder(u);
truelight@1024: 		return;
truelight@1024: 	}
truelight@1024: 
truelight@1024: 	/* Remove the orders */
truelight@1024: 	cur = v->orders;
truelight@1024: 	v->orders = NULL;
truelight@1024: 	v->num_orders = 0;
truelight@1024: 
truelight@1024: 	order = NULL;
truelight@1024: 	while (cur != NULL) {
truelight@1024: 		if (order != NULL) {
truelight@1024: 			order->type = OT_NOTHING;
truelight@1024: 			order->next = NULL;
truelight@1024: 		}
truelight@1024: 
truelight@1024: 		order = cur;
truelight@1024: 		cur = cur->next;
truelight@1024: 	}
truelight@1024: 
truelight@1024: 	if (order != NULL) {
truelight@1024: 		order->type = OT_NOTHING;
truelight@1024: 		order->next = NULL;
truelight@1024: 	}
truelight@1024: }
truelight@1024: 
truelight@1024: /**
truelight@1024:  *
truelight@1024:  * Check if we share our orders with an other vehicle
truelight@1024:  *
truelight@1024:  * @return Returns the vehicle who has the same order
truelight@1024:  *
truelight@1024:  */
truelight@1024: bool IsOrderListShared(const Vehicle *v)
truelight@1024: {
tron@2645: 	return v->next_shared != NULL || v->prev_shared != NULL;
truelight@1024: }
truelight@1024: 
truelight@1024: /**
truelight@1024:  *
truelight@1024:  * Check if a vehicle has any valid orders
truelight@1024:  *
truelight@1024:  * @return false if there are no valid orders
truelight@1024:  *
truelight@1024:  */
tron@2630: bool CheckForValidOrders(const Vehicle* v)
truelight@1024: {
truelight@1024: 	const Order *order;
truelight@1024: 
tron@2639: 	FOR_VEHICLE_ORDERS(v, order) if (order->type != OT_DUMMY) return true;
truelight@1024: 
truelight@1024: 	return false;
truelight@1024: }
truelight@1024: 
truelight@1024: void InitializeOrders(void)
truelight@1024: {
truelight@1314: 	CleanPool(&_order_pool);
truelight@1314: 	AddBlockToPool(&_order_pool);
truelight@1024: 
truelight@1024: 	_backup_orders_tile = 0;
truelight@1024: }
truelight@1024: 
Darkvater@1881: static const SaveLoad _order_desc[] = {
truelight@1024: 	SLE_VAR(Order,type,					SLE_UINT8),
truelight@1024: 	SLE_VAR(Order,flags,				SLE_UINT8),
truelight@1024: 	SLE_VAR(Order,station,			SLE_UINT16),
truelight@1024: 	SLE_REF(Order,next,					REF_ORDER),
truelight@1024: 
truelight@1024: 	// reserve extra space in savegame here. (currently 10 bytes)
truelight@1024: 	SLE_CONDARR(NullStruct,null,SLE_FILE_U8 | SLE_VAR_NULL, 10, 5, 255),
truelight@1024: 	SLE_END()
truelight@1024: };
truelight@1024: 
tron@1093: static void Save_ORDR(void)
truelight@1024: {
truelight@1024: 	Order *order;
truelight@1024: 
truelight@1024: 	FOR_ALL_ORDERS(order) {
truelight@1024: 		if (order->type != OT_NOTHING) {
truelight@1024: 			SlSetArrayIndex(order->index);
truelight@1024: 			SlObject(order, _order_desc);
truelight@1024: 		}
truelight@1024: 	}
truelight@1024: }
truelight@1024: 
tron@1093: static void Load_ORDR(void)
truelight@1024: {
truelight@2685: 	if (CheckSavegameVersionOldStyle(5, 2)) {
truelight@2685: 		/* Version older than 5.2 did not have a ->next pointer. Convert them
truelight@1024: 		    (in the old days, the orderlist was 5000 items big) */
truelight@1024: 		uint len = SlGetFieldLength();
truelight@1024: 		uint i;
truelight@1024: 
truelight@2685: 		if (CheckSavegameVersion(5)) {
truelight@1024: 			/* Pre-version 5 had an other layout for orders
truelight@1024: 			    (uint16 instead of uint32) */
truelight@1024: 			uint16 orders[5000];
truelight@1024: 
truelight@1024: 			len /= sizeof(uint16);
truelight@1314: 			assert (len <= lengthof(orders));
truelight@1024: 
truelight@1024: 			SlArray(orders, len, SLE_UINT16);
truelight@1024: 
truelight@1024: 			for (i = 0; i < len; ++i) {
truelight@1314: 				if (!AddBlockIfNeeded(&_order_pool, i))
truelight@1314: 					error("Orders: failed loading savegame: too many orders");
truelight@1314: 
truelight@1024: 				AssignOrder(GetOrder(i), UnpackVersion4Order(orders[i]));
truelight@1024: 			}
truelight@2685: 		} else if (CheckSavegameVersionOldStyle(5, 2)) {
truelight@1024: 			uint32 orders[5000];
truelight@1024: 
truelight@1024: 			len /= sizeof(uint32);
truelight@1314: 			assert (len <= lengthof(orders));
truelight@1024: 
truelight@1024: 			SlArray(orders, len, SLE_UINT32);
truelight@1024: 
truelight@1024: 			for (i = 0; i < len; ++i) {
truelight@1314: 				if (!AddBlockIfNeeded(&_order_pool, i))
truelight@1314: 					error("Orders: failed loading savegame: too many orders");
truelight@1314: 
truelight@1024: 				AssignOrder(GetOrder(i), UnpackOrder(orders[i]));
truelight@1024: 			}
truelight@1024: 		}
truelight@1024: 
truelight@1024: 		/* Update all the next pointer */
truelight@1024: 		for (i = 1; i < len; ++i) {
truelight@1024: 			/* The orders were built like this:
truelight@1024: 			     Vehicle one had order[0], and as long as order++.type was not
truelight@1024: 			     OT_NOTHING, it was part of the order-list of that vehicle */
truelight@1024: 			if (GetOrder(i)->type != OT_NOTHING)
truelight@1024: 				GetOrder(i - 1)->next = GetOrder(i);
truelight@1024: 		}
truelight@1024: 	} else {
truelight@1024: 		int index;
truelight@1024: 
truelight@1024: 		while ((index = SlIterateArray()) != -1) {
truelight@1314: 			Order *order;
truelight@1024: 
truelight@1314: 			if (!AddBlockIfNeeded(&_order_pool, index))
truelight@1314: 				error("Orders: failed loading savegame: too many orders");
truelight@1314: 
truelight@1314: 			order = GetOrder(index);
truelight@1024: 			SlObject(order, _order_desc);
truelight@1024: 		}
truelight@1024: 	}
truelight@1024: }
truelight@1024: 
truelight@1024: const ChunkHandler _order_chunk_handlers[] = {
truelight@1024: 	{ 'ORDR', Save_ORDR, Load_ORDR, CH_ARRAY | CH_LAST},
truelight@1024: };