diff options
Diffstat (limited to 'src/order_cmd.cpp')
| -rw-r--r-- | src/order_cmd.cpp | 1278 |
1 files changed, 1278 insertions, 0 deletions
diff --git a/src/order_cmd.cpp b/src/order_cmd.cpp new file mode 100644 index 000000000..b510e84ea --- /dev/null +++ b/src/order_cmd.cpp @@ -0,0 +1,1278 @@ +/* $Id$ */ + +#include "stdafx.h" +#include "openttd.h" +#include "order.h" +#include "airport.h" +#include "depot.h" +#include "functions.h" +#include "table/strings.h" +#include "vehicle.h" +#include "waypoint.h" +#include "command.h" +#include "station.h" +#include "player.h" +#include "news.h" +#include "saveload.h" +#include "vehicle_gui.h" + +/** + * Called if a new block is added to the order-pool + */ +static void OrderPoolNewBlock(uint start_item) +{ + Order *order; + + /* We don't use FOR_ALL here, because FOR_ALL skips invalid items. + * TODO - This is just a temporary stage, this will be removed. */ + for (order = GetOrder(start_item); order != NULL; order = (order->index + 1U < GetOrderPoolSize()) ? GetOrder(order->index + 1U) : NULL) order->index = start_item++; +} + +DEFINE_OLD_POOL(Order, Order, OrderPoolNewBlock, NULL) + +/** + * + * Unpacks a order from savegames made with TTD(Patch) + * + */ +Order UnpackOldOrder(uint16 packed) +{ + Order order; + order.type = GB(packed, 0, 4); + order.flags = GB(packed, 4, 4); + order.dest = GB(packed, 8, 8); + order.next = NULL; + + order.refit_cargo = CT_NO_REFIT; + order.refit_subtype = 0; + order.index = 0; // avoid compiler warning + + // Sanity check + // TTD stores invalid orders as OT_NOTHING with non-zero flags/station + if (order.type == OT_NOTHING && (order.flags != 0 || order.dest != 0)) { + order.type = OT_DUMMY; + order.flags = 0; + } + + return order; +} + +/** + * + * Unpacks a order from savegames with version 4 and lower + * + */ +static Order UnpackVersion4Order(uint16 packed) +{ + Order order; + order.type = GB(packed, 0, 4); + order.flags = GB(packed, 4, 4); + order.dest = GB(packed, 8, 8); + order.next = NULL; + order.index = 0; // avoid compiler warning + order.refit_cargo = CT_NO_REFIT; + order.refit_subtype = 0; + return order; +} + +/** + * + * Updates the widgets of a vehicle which contains the order-data + * + */ +void InvalidateVehicleOrder(const Vehicle *v) +{ + InvalidateWindow(WC_VEHICLE_VIEW, v->index); + InvalidateWindow(WC_VEHICLE_ORDERS, v->index); +} + +/** + * + * Swap two orders + * + */ +static void SwapOrders(Order *order1, Order *order2) +{ + Order temp_order; + + temp_order = *order1; + AssignOrder(order1, *order2); + order1->next = order2->next; + AssignOrder(order2, temp_order); + order2->next = temp_order.next; +} + +/** + * + * Allocate a new order + * + * @return Order* if a free space is found, else NULL. + * + */ +static Order *AllocateOrder(void) +{ + Order *order; + + /* We don't use FOR_ALL here, because FOR_ALL skips invalid items. + * TODO - This is just a temporary stage, this will be removed. */ + for (order = GetOrder(0); order != NULL; order = (order->index + 1U < GetOrderPoolSize()) ? GetOrder(order->index + 1U) : NULL) { + if (!IsValidOrder(order)) { + OrderID index = order->index; + + memset(order, 0, sizeof(*order)); + order->index = index; + order->next = NULL; + order->refit_cargo = CT_NO_REFIT; + order->refit_subtype = 0; + + return order; + } + } + + /* Check if we can add a block to the pool */ + if (AddBlockToPool(&_Order_pool)) return AllocateOrder(); + + return NULL; +} + +/** + * + * Assign data to an order (from an other order) + * This function makes sure that the index is maintained correctly + * + */ +void AssignOrder(Order *order, Order data) +{ + order->type = data.type; + order->flags = data.flags; + order->dest = data.dest; + + order->refit_cargo = data.refit_cargo; + order->refit_subtype = data.refit_subtype; +} + + +/** + * Delete all news items regarding defective orders about a vehicle + * This could kill still valid warnings (for example about void order when just + * another order gets added), but assume the player will notice the problems, + * when (s)he's changing the orders. + */ +static void DeleteOrderWarnings(const Vehicle* v) +{ + DeleteVehicleNews(v->index, STR_TRAIN_HAS_TOO_FEW_ORDERS + (v->type - VEH_Train) * 4); + DeleteVehicleNews(v->index, STR_TRAIN_HAS_VOID_ORDER + (v->type - VEH_Train) * 4); + DeleteVehicleNews(v->index, STR_TRAIN_HAS_DUPLICATE_ENTRY + (v->type - VEH_Train) * 4); + DeleteVehicleNews(v->index, STR_TRAIN_HAS_INVALID_ENTRY + (v->type - VEH_Train) * 4); +} + + +/** Add an order to the orderlist of a vehicle. + * @param tile unused + * @param p1 various bitstuffed elements + * - p1 = (bit 0 - 15) - ID of the vehicle + * - p1 = (bit 16 - 31) - the selected order (if any). If the last order is given, + * the order will be inserted before that one + * only the first 8 bits used currently (bit 16 - 23) (max 255) + * @param p2 packed order to insert + */ +int32 CmdInsertOrder(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) +{ + Vehicle *v; + VehicleID veh = GB(p1, 0, 16); + VehicleOrderID sel_ord = GB(p1, 16, 16); + Order new_order = UnpackOrder(p2); + + if (!IsValidVehicleID(veh)) return CMD_ERROR; + + v = GetVehicle(veh); + + if (!CheckOwnership(v->owner)) return CMD_ERROR; + + /* Check if the inserted order is to the correct destination (owner, type), + * and has the correct flags if any */ + switch (new_order.type) { + case OT_GOTO_STATION: { + const Station *st; + + if (!IsValidStationID(new_order.dest)) return CMD_ERROR; + st = GetStation(new_order.dest); + + if (st->airport_type != AT_OILRIG && !IsBuoy(st) && !CheckOwnership(st->owner)) { + return CMD_ERROR; + } + + switch (v->type) { + case VEH_Train: + if (!(st->facilities & FACIL_TRAIN)) return CMD_ERROR; + break; + + case VEH_Road: + if (v->cargo_type == CT_PASSENGERS) { + if (!(st->facilities & FACIL_BUS_STOP)) return CMD_ERROR; + } else { + if (!(st->facilities & FACIL_TRUCK_STOP)) return CMD_ERROR; + } + break; + + case VEH_Ship: + if (!(st->facilities & FACIL_DOCK)) return CMD_ERROR; + break; + + case VEH_Aircraft: + if (!(st->facilities & FACIL_AIRPORT)) return CMD_ERROR; + break; + + default: return CMD_ERROR; + } + + /* Order flags can be any of the following for stations: + * [full-load | unload] [+ transfer] [+ non-stop] + * non-stop orders (if any) are only valid for trains */ + switch (new_order.flags) { + case 0: + case OF_FULL_LOAD: + case OF_FULL_LOAD | OF_TRANSFER: + case OF_UNLOAD: + case OF_UNLOAD | OF_TRANSFER: + case OF_TRANSFER: + break; + + case OF_NON_STOP: + case OF_NON_STOP | OF_FULL_LOAD: + case OF_NON_STOP | OF_FULL_LOAD | OF_TRANSFER: + case OF_NON_STOP | OF_UNLOAD: + case OF_NON_STOP | OF_UNLOAD | OF_TRANSFER: + case OF_NON_STOP | OF_TRANSFER: + if (v->type != VEH_Train) return CMD_ERROR; + break; + + default: return CMD_ERROR; + } + break; + } + + case OT_GOTO_DEPOT: { + if (v->type == VEH_Aircraft) { + const Station* st; + + if (!IsValidStationID(new_order.dest)) return CMD_ERROR; + st = GetStation(new_order.dest); + + if ((st->airport_type != AT_OILRIG && !CheckOwnership(st->owner)) || + !(st->facilities & FACIL_AIRPORT) || + GetAirport(st->airport_type)->nof_depots == 0) { + return CMD_ERROR; + } + } else { + const Depot* dp; + + if (!IsValidDepotID(new_order.dest)) return CMD_ERROR; + dp = GetDepot(new_order.dest); + + if (!CheckOwnership(GetTileOwner(dp->xy))) return CMD_ERROR; + + switch (v->type) { + case VEH_Train: + if (!IsTileDepotType(dp->xy, TRANSPORT_RAIL)) return CMD_ERROR; + break; + + case VEH_Road: + if (!IsTileDepotType(dp->xy, TRANSPORT_ROAD)) return CMD_ERROR; + break; + + case VEH_Ship: + if (!IsTileDepotType(dp->xy, TRANSPORT_WATER)) return CMD_ERROR; + break; + + default: return CMD_ERROR; + } + } + + /* Order flags can be any of the following for depots: + * order [+ halt] [+ non-stop] + * non-stop orders (if any) are only valid for trains */ + switch (new_order.flags) { + case OF_PART_OF_ORDERS: + case OF_PART_OF_ORDERS | OF_HALT_IN_DEPOT: + break; + + case OF_NON_STOP | OF_PART_OF_ORDERS: + case OF_NON_STOP | OF_PART_OF_ORDERS | OF_HALT_IN_DEPOT: + if (v->type != VEH_Train) return CMD_ERROR; + break; + + default: return CMD_ERROR; + } + break; + } + + case OT_GOTO_WAYPOINT: { + const Waypoint* wp; + + if (v->type != VEH_Train) return CMD_ERROR; + + if (!IsValidWaypointID(new_order.dest)) return CMD_ERROR; + wp = GetWaypoint(new_order.dest); + + if (!CheckOwnership(GetTileOwner(wp->xy))) return CMD_ERROR; + + /* Order flags can be any of the following for waypoints: + * [non-stop] + * non-stop orders (if any) are only valid for trains */ + switch (new_order.flags) { + case 0: break; + + case OF_NON_STOP: + if (v->type != VEH_Train) return CMD_ERROR; + break; + + default: return CMD_ERROR; + } + break; + } + + default: return CMD_ERROR; + } + + if (sel_ord > v->num_orders) return CMD_ERROR; + + if (IsOrderPoolFull()) return_cmd_error(STR_8831_NO_MORE_SPACE_FOR_ORDERS); + + /* XXX - This limit is only here because the backuppedorders can't + * handle any more then this.. */ + if (v->num_orders >= MAX_BACKUP_ORDER_COUNT) return_cmd_error(STR_8832_TOO_MANY_ORDERS); + + /* For ships, make sure that the station is not too far away from the + * previous destination, for human players with new pathfinding disabled */ + if (v->type == VEH_Ship && IsHumanPlayer(v->owner) && + sel_ord != 0 && GetVehicleOrder(v, sel_ord - 1)->type == OT_GOTO_STATION + && !_patches.new_pathfinding_all) { + + int dist = DistanceManhattan( + GetStation(GetVehicleOrder(v, sel_ord - 1)->dest)->xy, + GetStation(new_order.dest)->xy // XXX type != OT_GOTO_STATION? + ); + if (dist >= 130) + return_cmd_error(STR_0210_TOO_FAR_FROM_PREVIOUS_DESTINATIO); + } + + if (flags & DC_EXEC) { + Vehicle *u; + Order *new = AllocateOrder(); + AssignOrder(new, new_order); + + /* Create new order and link in list */ + if (v->orders == NULL) { + v->orders = new; + } else { + /* Try to get the previous item (we are inserting above the + selected) */ + Order *order = GetVehicleOrder(v, sel_ord - 1); + + if (order == NULL && GetVehicleOrder(v, sel_ord) != NULL) { + /* There is no previous item, so we are altering v->orders itself + But because the orders can be shared, we copy the info over + the v->orders, so we don't have to change the pointers of + all vehicles */ + SwapOrders(v->orders, new); + /* Now update the next pointers */ + v->orders->next = new; + } else if (order == NULL) { + /* 'sel' is a non-existing order, add him to the end */ + order = GetLastVehicleOrder(v); + order->next = new; + } else { + /* Put the new order in between */ + new->next = order->next; + order->next = new; + } + } + + u = GetFirstVehicleFromSharedList(v); + DeleteOrderWarnings(u); + for (; u != NULL; u = u->next_shared) { + /* Increase amount of orders */ + u->num_orders++; + + /* If the orderlist was empty, assign it */ + if (u->orders == NULL) u->orders = v->orders; + + assert(v->orders == u->orders); + + /* If there is added an order before the current one, we need + to update the selected order */ + if (sel_ord <= u->cur_order_index) { + uint cur = u->cur_order_index + 1; + /* Check if we don't go out of bound */ + if (cur < u->num_orders) + u->cur_order_index = cur; + } + /* Update any possible open window of the vehicle */ + InvalidateVehicleOrder(u); + } + + /* Make sure to rebuild the whole list */ + RebuildVehicleLists(); + } + + return 0; +} + +/** Declone an order-list + * @param *dst delete the orders of this vehicle + * @param flags execution flags + */ +static int32 DecloneOrder(Vehicle *dst, uint32 flags) +{ + if (flags & DC_EXEC) { + DeleteVehicleOrders(dst); + InvalidateVehicleOrder(dst); + RebuildVehicleLists(); + } + return 0; +} + +/** Delete an order from the orderlist of a vehicle. + * @param tile unused + * @param p1 the ID of the vehicle + * @param p2 the order to delete (max 255) + */ +int32 CmdDeleteOrder(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) +{ + Vehicle *v, *u; + VehicleID veh_id = p1; + VehicleOrderID sel_ord = p2; + Order *order; + + if (!IsValidVehicleID(veh_id)) return CMD_ERROR; + + v = GetVehicle(veh_id); + + if (!CheckOwnership(v->owner)) return CMD_ERROR; + + /* If we did not select an order, we maybe want to de-clone the orders */ + if (sel_ord >= v->num_orders) + return DecloneOrder(v, flags); + + order = GetVehicleOrder(v, sel_ord); + if (order == NULL) return CMD_ERROR; + + if (flags & DC_EXEC) { + if (GetVehicleOrder(v, sel_ord - 1) == NULL) { + if (GetVehicleOrder(v, sel_ord + 1) != NULL) { + /* First item, but not the last, so we need to alter v->orders + Because we can have shared order, we copy the data + from the next item over the deleted */ + order = GetVehicleOrder(v, sel_ord + 1); + SwapOrders(v->orders, order); + } else { + /* Last item, so clean the list */ + v->orders = NULL; + } + } else { + GetVehicleOrder(v, sel_ord - 1)->next = order->next; + } + + /* Give the item free */ + order->type = OT_NOTHING; + order->next = NULL; + + u = GetFirstVehicleFromSharedList(v); + DeleteOrderWarnings(u); + for (; u != NULL; u = u->next_shared) { + u->num_orders--; + + if (sel_ord < u->cur_order_index) + u->cur_order_index--; + + /* If we removed the last order, make sure the shared vehicles + * also set their orders to NULL */ + if (v->orders == NULL) u->orders = NULL; + + assert(v->orders == u->orders); + + /* NON-stop flag is misused to see if a train is in a station that is + * on his order list or not */ + if (sel_ord == u->cur_order_index && u->current_order.type == OT_LOADING && + HASBIT(u->current_order.flags, OFB_NON_STOP)) { + u->current_order.flags = 0; + } + + /* Update any possible open window of the vehicle */ + InvalidateVehicleOrder(u); + } + + RebuildVehicleLists(); + } + + return 0; +} + +/** Goto next order of order-list. + * @param tile unused + * @param p1 The ID of the vehicle which order is skipped + * @param p2 unused + */ +int32 CmdSkipOrder(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) +{ + Vehicle *v; + VehicleID veh_id = p1; + + if (!IsValidVehicleID(veh_id)) return CMD_ERROR; + + v = GetVehicle(veh_id); + + if (!CheckOwnership(v->owner)) return CMD_ERROR; + + if (flags & DC_EXEC) { + /* Goto next order */ + VehicleOrderID b = v->cur_order_index + 1; + if (b >= v->num_orders) b = 0; + + v->cur_order_index = b; + + if (v->type == VEH_Train) v->u.rail.days_since_order_progr = 0; + + if (v->type == VEH_Road) ClearSlot(v); + + /* NON-stop flag is misused to see if a train is in a station that is + * on his order list or not */ + if (v->current_order.type == OT_LOADING && HASBIT(v->current_order.flags, OFB_NON_STOP)) + v->current_order.flags = 0; + + InvalidateVehicleOrder(v); + } + + /* We have an aircraft/ship, they have a mini-schedule, so update them all */ + if (v->type == VEH_Aircraft) InvalidateWindowClasses(WC_AIRCRAFT_LIST); + if (v->type == VEH_Ship) InvalidateWindowClasses(WC_SHIPS_LIST); + + return 0; +} + + +/** Modify an order in the orderlist of a vehicle. + * @param tile unused + * @param p1 various bitstuffed elements + * - p1 = (bit 0 - 15) - ID of the vehicle + * - p1 = (bit 16 - 31) - the selected order (if any). If the last order is given, + * the order will be inserted before that one + * only the first 8 bits used currently (bit 16 - 23) (max 255) + * @param p2 mode to change the order to (always set) + */ +int32 CmdModifyOrder(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) +{ + Vehicle *v; + Order *order; + VehicleOrderID sel_ord = GB(p1, 16, 16); // XXX - automatically truncated to 8 bits. + VehicleID veh = GB(p1, 0, 16); + + if (!IsValidVehicleID(veh)) return CMD_ERROR; + if (p2 != OFB_FULL_LOAD && p2 != OFB_UNLOAD && p2 != OFB_NON_STOP && p2 != OFB_TRANSFER) return CMD_ERROR; + + v = GetVehicle(veh); + + if (!CheckOwnership(v->owner)) return CMD_ERROR; + + /* Is it a valid order? */ + if (sel_ord >= v->num_orders) return CMD_ERROR; + + order = GetVehicleOrder(v, sel_ord); + if (order->type != OT_GOTO_STATION && + (order->type != OT_GOTO_DEPOT || p2 == OFB_UNLOAD) && + (order->type != OT_GOTO_WAYPOINT || p2 != OFB_NON_STOP)) { + return CMD_ERROR; + } + + if (flags & DC_EXEC) { + switch (p2) { + case OFB_FULL_LOAD: + TOGGLEBIT(order->flags, OFB_FULL_LOAD); + if (order->type != OT_GOTO_DEPOT) CLRBIT(order->flags, OFB_UNLOAD); + break; + case OFB_UNLOAD: + TOGGLEBIT(order->flags, OFB_UNLOAD); + CLRBIT(order->flags, OFB_FULL_LOAD); + break; + case OFB_NON_STOP: + TOGGLEBIT(order->flags, OFB_NON_STOP); + break; + case OFB_TRANSFER: + TOGGLEBIT(order->flags, OFB_TRANSFER); + break; + default: NOT_REACHED(); + } + + /* Update the windows and full load flags, also for vehicles that share the same order list */ + { + Vehicle* u; + + u = GetFirstVehicleFromSharedList(v); + DeleteOrderWarnings(u); + for (; u != NULL; u = u->next_shared) { + /* 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); + } + InvalidateVehicleOrder(u); + } + } + } + + return 0; +} + +/** Clone/share/copy an order-list of an other vehicle. + * @param p1 various bitstuffed elements + * - p1 = (bit 0-15) - destination vehicle to clone orders to (p1 & 0xFFFF) + * - p1 = (bit 16-31) - source vehicle to clone orders from, if any (none for CO_UNSHARE) + * @param p2 mode of cloning: CO_SHARE, CO_COPY, or CO_UNSHARE + */ +int32 CmdCloneOrder(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) +{ + Vehicle *dst; + VehicleID veh_src = GB(p1, 16, 16); + VehicleID veh_dst = GB(p1, 0, 16); + + if (!IsValidVehicleID(veh_dst)) return CMD_ERROR; + + dst = GetVehicle(veh_dst); + + if (!CheckOwnership(dst->owner)) return CMD_ERROR; + + switch (p2) { + case CO_SHARE: { + Vehicle *src; + + if (!IsValidVehicleID(veh_src)) return CMD_ERROR; + + src = GetVehicle(veh_src); + + /* Sanity checks */ + if (!CheckOwnership(src->owner) || dst->type != src->type || dst == src) + return CMD_ERROR; + + /* Trucks can't share orders with busses (and visa versa) */ + 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; + } + + /* Is the vehicle already in the shared list? */ + { + const Vehicle* u; + + for (u = GetFirstVehicleFromSharedList(src); u != NULL; u = u->next_shared) { + if (u == dst) return CMD_ERROR; + } + } + + if (flags & DC_EXEC) { + /* If the destination vehicle had a OrderList, destroy it */ + DeleteVehicleOrders(dst); + + dst->orders = src->orders; + dst->num_orders = src->num_orders; + + /* Link this vehicle in the shared-list */ + dst->next_shared = src->next_shared; + dst->prev_shared = src; + if (src->next_shared != NULL) src->next_shared->prev_shared = dst; + src->next_shared = dst; + + InvalidateVehicleOrder(dst); + InvalidateVehicleOrder(src); + + RebuildVehicleLists(); + } + } break; + + case CO_COPY: { + Vehicle *src; + int delta; + + if (!IsValidVehicleID(veh_src)) return CMD_ERROR; + + src = GetVehicle(veh_src); + + /* Sanity checks */ + if (!CheckOwnership(src->owner) || dst->type != src->type || dst == src) + return CMD_ERROR; + + /* Trucks can't copy all the orders from busses (and visa versa) */ + if (src->type == VEH_Road) { + const Order *order; + TileIndex required_dst = INVALID_TILE; + + FOR_VEHICLE_ORDERS(src, order) { + if (order->type == OT_GOTO_STATION) { + const Station *st = GetStation(order->dest); + if (dst->cargo_type == CT_PASSENGERS) { + if (st->bus_stops != NULL) required_dst = st->bus_stops->xy; + } else { + if (st->truck_stops != NULL) required_dst = st->truck_stops->xy; + } + /* This station has not the correct road-bay, so we can't copy! */ + if (required_dst == INVALID_TILE) + return CMD_ERROR; + } + } + } + + /* make sure there are orders available */ + delta = IsOrderListShared(dst) ? src->num_orders + 1 : src->num_orders - dst->num_orders; + if (!HasOrderPoolFree(delta)) + return_cmd_error(STR_8831_NO_MORE_SPACE_FOR_ORDERS); + + if (flags & DC_EXEC) { + const Order *order; + Order **order_dst; + + /* If the destination vehicle had a OrderList, destroy it */ + DeleteVehicleOrders(dst); + + order_dst = &dst->orders; + FOR_VEHICLE_ORDERS(src, order) { + *order_dst = AllocateOrder(); + AssignOrder(*order_dst, *order); + order_dst = &(*order_dst)->next; + } + + dst->num_orders = src->num_orders; + + InvalidateVehicleOrder(dst); + + RebuildVehicleLists(); + } + } break; + + case CO_UNSHARE: return DecloneOrder(dst, flags); + default: return CMD_ERROR; + } + + return 0; +} + +/** Add/remove refit orders from an order + * @param tile Not used + * @param p1 VehicleIndex of the vehicle having the order + * @param p2 bitmask + * - bit 0-7 CargoID + * - bit 8-15 Cargo subtype + * - bit 16-23 number of order to modify + */ +int32 CmdOrderRefit(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) +{ + const Vehicle *v; + Order *order; + VehicleID veh = GB(p1, 0, 16); + VehicleOrderID order_number = GB(p2, 16, 8); + CargoID cargo = GB(p2, 0, 8); + byte subtype = GB(p2, 8, 8); + + if (!IsValidVehicleID(veh)) return CMD_ERROR; + + v = GetVehicle(veh); + + if (!CheckOwnership(v->owner)) return CMD_ERROR; + + order = GetVehicleOrder(v, order_number); + if (order == NULL) return CMD_ERROR; + + if (flags & DC_EXEC) { + Vehicle *u; + + order->refit_cargo = cargo; + order->refit_subtype = subtype; + + u = GetFirstVehicleFromSharedList(v); + for (; u != NULL; u = u->next_shared) { + /* Update any possible open window of the vehicle */ + InvalidateVehicleOrder(u); + + /* If the vehicle already got the current depot set as current order, then update current order as well */ + if (u->cur_order_index == order_number && HASBIT(u->current_order.flags, OFB_PART_OF_ORDERS)) { + u->current_order.refit_cargo = cargo; + u->current_order.refit_subtype = subtype; + } + } + } + + return 0; +} + +/** + * + * Backup a vehicle order-list, so you can replace a vehicle + * without loosing the order-list + * + */ +void BackupVehicleOrders(const Vehicle *v, BackuppedOrders *bak) +{ + /* Save general info */ + bak->orderindex = v->cur_order_index; + bak->service_interval = v->service_interval; + + /* Safe custom string, if any */ + if (!IsCustomName(v->string_id)) { + bak->name[0] = '\0'; + } else { + GetName(bak->name, v->string_id & 0x7FF, lastof(bak->name)); + } + + /* If we have shared orders, store it on a special way */ + if (IsOrderListShared(v)) { + const Vehicle *u = (v->next_shared) ? v->next_shared : v->prev_shared; + + bak->clone = u->index; + } else { + /* Else copy the orders */ + Order *order, *dest; + + dest = bak->order; + + /* We do not have shared orders */ + bak->clone = INVALID_VEHICLE; + + /* Copy the orders */ + FOR_VEHICLE_ORDERS(v, order) { + *dest = *order; + dest++; + } + /* End the list with an OT_NOTHING */ + dest->type = OT_NOTHING; + dest->next = NULL; + } +} + +/** + * + * Restore vehicle orders that are backupped via BackupVehicleOrders + * + */ +void RestoreVehicleOrders(const Vehicle* v, const BackuppedOrders* bak) +{ + uint i; + + /* If we have a custom name, process that */ + if (bak->name[0] != 0) { + _cmd_text = bak->name; + DoCommandP(0, v->index, 0, NULL, CMD_NAME_VEHICLE); + } + + /* If we had shared orders, recover that */ + if (bak->clone != INVALID_VEHICLE) { + DoCommandP(0, v->index | (bak->clone << 16), 0, NULL, CMD_CLONE_ORDER); + return; + } + + /* CMD_NO_TEST_IF_IN_NETWORK is used here, because CMD_INSERT_ORDER checks if the + * order number is one more than the current amount of orders, and because + * in network the commands are queued before send, the second insert always + * fails in test mode. By bypassing the test-mode, that no longer is a problem. */ + for (i = 0; bak->order[i].type != OT_NOTHING; i++) { + if (!DoCommandP(0, v->index + (i << 16), PackOrder(&bak->order[i]), NULL, CMD_INSERT_ORDER | CMD_NO_TEST_IF_IN_NETWORK)) + break; + } + + /* Restore vehicle order-index and service interval */ + DoCommandP(0, v->index, bak->orderindex | (bak->service_interval << 16) , NULL, CMD_RESTORE_ORDER_INDEX); +} + +/** Restore the current order-index of a vehicle and sets service-interval. + * @param tile unused + * @param p1 the ID of the vehicle + * @param p2 various bistuffed elements + * - p2 = (bit 0-15) - current order-index (p2 & 0xFFFF) + * - p2 = (bit 16-31) - service interval (p2 >> 16) + * @todo Unfortunately you cannot safely restore the unitnumber or the old vehicle + * as far as I can see. We can store it in BackuppedOrders, and restore it, but + * but we have no way of seeing it has been tampered with or not, as we have no + * legit way of knowing what that ID was.@n + * If we do want to backup/restore it, just add UnitID uid to BackuppedOrders, and + * restore it as parameter 'y' (ugly hack I know) for example. "v->unitnumber = y;" + */ +int32 CmdRestoreOrderIndex(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) +{ + Vehicle *v; + VehicleOrderID cur_ord = GB(p2, 0, 16); + uint16 serv_int = GB(p2, 16, 16); + + if (!IsValidVehicleID(p1)) return CMD_ERROR; + + v = GetVehicle(p1); + + /* Check the vehicle type and ownership, and if the service interval and order are in range */ + if (!CheckOwnership(v->owner)) return CMD_ERROR; + if (serv_int != GetServiceIntervalClamped(serv_int) || cur_ord >= v->num_orders) return CMD_ERROR; + + if (flags & DC_EXEC) { + v->cur_order_index = cur_ord; + v->service_interval = serv_int; + } + + return 0; +} + + +static TileIndex GetStationTileForVehicle(const Vehicle* v, const Station* st) +{ + switch (v->type) { + default: NOT_REACHED(); + case VEH_Train: return st->train_tile; + case VEH_Aircraft: return st->airport_tile; + case VEH_Ship: return st->dock_tile; + case VEH_Road: + if (v->cargo_type == CT_PASSENGERS) { + return (st->bus_stops != NULL) ? st->bus_stops->xy : 0; + } else { + return (st->truck_stops != NULL) ? st->truck_stops->xy : 0; + } + } +} + + +/** + * + * Check the orders of a vehicle, to see if there are invalid orders and stuff + * + */ +void CheckOrders(const Vehicle* v) +{ + /* Does the user wants us to check things? */ + if (_patches.order_review_system == 0) return; + + /* Do nothing for crashed vehicles */ + if (v->vehstatus & VS_CRASHED) return; + + /* Do nothing for stopped vehicles if setting is '1' */ + if (_patches.order_review_system == 1 && v->vehstatus & VS_STOPPED) + return; + + /* do nothing we we're not the first vehicle in a share-chain */ + if (v->next_shared != NULL) return; + + /* Only check every 20 days, so that we don't flood the message log */ + if (v->owner == _local_player && v->day_counter % 20 == 0) { + int n_st, problem_type = -1; + const Order *order; + int message = 0; + + /* Check the order list */ + n_st = 0; + + FOR_VEHICLE_ORDERS(v, order) { + /* Dummy order? */ + if (order->type == OT_DUMMY) { + problem_type = 1; + break; + } + /* Does station have a load-bay for this vehicle? */ + if (order->type == OT_GOTO_STATION) { + const Station* st = GetStation(order->dest); + TileIndex required_tile = GetStationTileForVehicle(v, st); + + n_st++; + if (required_tile == 0) problem_type = 3; + } + } + + /* Check if the last and the first order are the same */ + if (v->num_orders > 1) { + const Order* last = GetLastVehicleOrder(v); + + if (v->orders->type == last->type && + v->orders->flags == last->flags && + v->orders->dest == last->dest) { + problem_type = 2; + } + } + + /* Do we only have 1 station in our order list? */ + if (n_st < 2 && problem_type == -1) problem_type = 0; + + /* We don't have a problem */ + if (problem_type < 0) return; + + message = STR_TRAIN_HAS_TOO_FEW_ORDERS + ((v->type - VEH_Train) << 2) + problem_type; + //DEBUG(misc, 3, "Triggered News Item for vehicle %d", v->index); + + SetDParam(0, v->unitnumber); + AddNewsItem( + message, + NEWS_FLAGS(NM_SMALL, NF_VIEWPORT | NF_VEHICLE, NT_ADVICE, 0), + v->index, + 0 + ); + } +} + +/** + * Removes an order from all vehicles. Triggers when, say, a station is removed. + * @param type The type of the order (OT_GOTO_[STATION|DEPOT|WAYPOINT]). + * @param destination The destination. Can be a StationID, DepotID or WaypointID. + */ +void RemoveOrderFromAllVehicles(OrderType type, DestinationID destination) +{ + Vehicle *v; + + /* Aircraft have StationIDs for depot orders and never use DepotIDs + * This fact is handled specially below + */ + + /* Go through all vehicles */ + FOR_ALL_VEHICLES(v) { + Order *order; + bool invalidate; + + /* Forget about this station if this station is removed */ + if (v->last_station_visited == destination && type == OT_GOTO_STATION) { + v->last_station_visited = INVALID_STATION; + } + + order = &v->current_order; + if ((v->type == VEH_Aircraft && order->type == OT_GOTO_DEPOT ? OT_GOTO_STATION : order->type) == type && + v->current_order.dest == destination) { + order->type = OT_DUMMY; + order->flags = 0; + InvalidateWindow(WC_VEHICLE_VIEW, v->index); + } + + /* Clear the order from the order-list */ + invalidate = false; + FOR_VEHICLE_ORDERS(v, order) { + if ((v->type == VEH_Aircraft && order->type == OT_GOTO_DEPOT ? OT_GOTO_STATION : order->type) == type && + order->dest == destination) { + order->type = OT_DUMMY; + order->flags = 0; + invalidate = true; + } + } + + /* Only invalidate once, and if needed */ + if (invalidate) InvalidateWindow(WC_VEHICLE_ORDERS, v->index); + } +} + +/** + * + * Checks if a vehicle has a GOTO_DEPOT in his order list + * + * @return True if this is true (lol ;)) + * + */ +bool VehicleHasDepotOrders(const Vehicle *v) +{ + const Order *order; + + FOR_VEHICLE_ORDERS(v, order) { + if (order->type == OT_GOTO_DEPOT) + return true; + } + + return false; +} + +/** + * + * Delete all orders from a vehicle + * + */ +void DeleteVehicleOrders(Vehicle *v) +{ + Order *cur, *next; + + DeleteOrderWarnings(v); + + /* If we have a shared order-list, don't delete the list, but just + remove our pointer */ + if (IsOrderListShared(v)) { + const Vehicle *u = v; + + v->orders = NULL; + v->num_orders = 0; + + /* Unlink ourself */ + if (v->prev_shared != NULL) { + v->prev_shared->next_shared = v->next_shared; + u = v->prev_shared; + } + if (v->next_shared != NULL) { + v->next_shared->prev_shared = v->prev_shared; + u = v->next_shared; + } + v->prev_shared = NULL; + v->next_shared = NULL; + + /* We only need to update this-one, because if there is a third + * vehicle which shares the same order-list, nothing will change. If + * this is the last vehicle, the last line of the order-window + * will change from Shared order list, to Order list, so it needs + * an update */ + InvalidateVehicleOrder(u); + return; + } + + /* Remove the orders */ + cur = v->orders; + v->orders = NULL; + v->num_orders = 0; + + if (cur != NULL) { + /* Delete the vehicle list of shared orders, if any */ + int window_type = 0; + + switch (v->type) { + case VEH_Train: window_type = WC_TRAINS_LIST; break; + case VEH_Road: window_type = WC_ROADVEH_LIST; break; + case VEH_Ship: window_type = WC_SHIPS_LIST; break; + case VEH_Aircraft: window_type = WC_AIRCRAFT_LIST; break; + default: NOT_REACHED(); + } + DeleteWindowById(window_type, (cur->index << 16) | (v->type << 11) | VLW_SHARED_ORDERS | v->owner); + } + + while (cur != NULL) { + next = cur->next; + DeleteOrder(cur); + cur = next; + } +} + +/** + * + * Check if we share our orders with an other vehicle + * + * @return Returns the vehicle who has the same order + * + */ +bool IsOrderListShared(const Vehicle *v) +{ + return v->next_shared != NULL || v->prev_shared != NULL; +} + +/** + * + * Check if a vehicle has any valid orders + * + * @return false if there are no valid orders + * + */ +bool CheckForValidOrders(const Vehicle* v) +{ + const Order *order; + + FOR_VEHICLE_ORDERS(v, order) if (order->type != OT_DUMMY) return true; + + return false; +} + +void InitializeOrders(void) +{ + CleanPool(&_Order_pool); + AddBlockToPool(&_Order_pool); + + _backup_orders_tile = 0; +} + +static const SaveLoad _order_desc[] = { + SLE_VAR(Order, type, SLE_UINT8), + SLE_VAR(Order, flags, SLE_UINT8), + SLE_VAR(Order, dest, SLE_UINT16), + SLE_REF(Order, next, REF_ORDER), + SLE_CONDVAR(Order, refit_cargo, SLE_UINT8, 36, SL_MAX_VERSION), + SLE_CONDVAR(Order, refit_subtype, SLE_UINT8, 36, SL_MAX_VERSION), + + /* Leftover from the minor savegame version stuff + * We will never use those free bytes, but we have to keep this line to allow loading of old savegames */ + SLE_CONDNULL(10, 5, 35), + SLE_END() +}; + +static void Save_ORDR(void) +{ + Order *order; + + FOR_ALL_ORDERS(order) { + SlSetArrayIndex(order->index); + SlObject(order, _order_desc); + } +} + +static void Load_ORDR(void) +{ + if (CheckSavegameVersionOldStyle(5, 2)) { + /* Version older than 5.2 did not have a ->next pointer. Convert them + (in the old days, the orderlist was 5000 items big) */ + uint len = SlGetFieldLength(); + uint i; + + if (CheckSavegameVersion(5)) { + /* Pre-version 5 had an other layout for orders + (uint16 instead of uint32) */ + uint16 orders[5000]; + + len /= sizeof(uint16); + assert (len <= lengthof(orders)); + + SlArray(orders, len, SLE_UINT16); + + for (i = 0; i < len; ++i) { + if (!AddBlockIfNeeded(&_Order_pool, i)) + error("Orders: failed loading savegame: too many orders"); + + AssignOrder(GetOrder(i), UnpackVersion4Order(orders[i])); + } + } else if (CheckSavegameVersionOldStyle(5, 2)) { + uint32 orders[5000]; + + len /= sizeof(uint32); + assert (len <= lengthof(orders)); + + SlArray(orders, len, SLE_UINT32); + + for (i = 0; i < len; ++i) { + if (!AddBlockIfNeeded(&_Order_pool, i)) + error("Orders: failed loading savegame: too many orders"); + + AssignOrder(GetOrder(i), UnpackOrder(orders[i])); + } + } + + /* Update all the next pointer */ + for (i = 1; i < len; ++i) { + /* The orders were built like this: + * Vehicle one had order[0], and as long as order++.type was not + * OT_NOTHING, it was part of the order-list of that vehicle */ + if (GetOrder(i)->type != OT_NOTHING) + GetOrder(i - 1)->next = GetOrder(i); + } + } else { + int index; + + while ((index = SlIterateArray()) != -1) { + Order *order; + + if (!AddBlockIfNeeded(&_Order_pool, index)) + error("Orders: failed loading savegame: too many orders"); + + order = GetOrder(index); + SlObject(order, _order_desc); + } + } +} + +const ChunkHandler _order_chunk_handlers[] = { + { 'ORDR', Save_ORDR, Load_ORDR, CH_ARRAY | CH_LAST}, +}; |