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/* $Id$ */
/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file order_backup.cpp Handling of order backups. */
#include "stdafx.h"
#include "command_func.h"
#include "core/pool_func.hpp"
#include "order_backup.h"
#include "order_base.h"
#include "vehicle_base.h"
#include "settings_type.h"
OrderBackupPool _order_backup_pool("BackupOrder");
INSTANTIATE_POOL_METHODS(OrderBackup)
OrderBackup::~OrderBackup()
{
free(this->name);
free(this->orders);
}
OrderBackup::OrderBackup(const Vehicle *v)
{
this->tile = v->tile;
this->orderindex = v->cur_order_index;
this->group = v->group_id;
this->service_interval = v->service_interval;
if (v->name != NULL) this->name = strdup(v->name);
/* If we have shared orders, store the vehicle we share the order with. */
if (v->IsOrderListShared()) {
const Vehicle *u = (v->FirstShared() == v) ? v->NextShared() : v->FirstShared();
this->clone = u->index;
} else {
/* Else copy the orders */
/* We do not have shared orders */
this->clone = INVALID_VEHICLE;
/* Count the number of orders */
uint cnt = 0;
const Order *order;
FOR_VEHICLE_ORDERS(v, order) cnt++;
/* Allocate memory for the orders plus an end-of-orders marker */
this->orders = MallocT<Order>(cnt + 1);
Order *dest = this->orders;
/* Copy the orders */
FOR_VEHICLE_ORDERS(v, order) {
memcpy(dest, order, sizeof(Order));
dest++;
}
/* End the list with an empty order */
dest->Free();
}
}
void OrderBackup::RestoreTo(const Vehicle *v)
{
/* If we have a custom name, process that */
if (this->name != NULL) DoCommandP(0, v->index, 0, CMD_RENAME_VEHICLE, NULL, this->name);
/* If we had shared orders, recover that */
if (this->clone != INVALID_VEHICLE) {
DoCommandP(0, v->index | (this->clone << 16), CO_SHARE, CMD_CLONE_ORDER);
} else {
/* 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 (uint i = 0; !this->orders[i].IsType(OT_NOTHING); i++) {
Order o = this->orders[i];
/* Conditional orders need to have their destination to be valid on insertion. */
if (o.IsType(OT_CONDITIONAL)) o.SetConditionSkipToOrder(0);
if (!DoCommandP(0, v->index + (i << 16), o.Pack(),
CMD_INSERT_ORDER | CMD_NO_TEST_IF_IN_NETWORK)) {
break;
}
/* Copy timetable if enabled */
if (_settings_game.order.timetabling && !DoCommandP(0, v->index | (i << 16) | (1 << 25),
o.wait_time << 16 | o.travel_time,
CMD_CHANGE_TIMETABLE | CMD_NO_TEST_IF_IN_NETWORK)) {
break;
}
}
/* Fix the conditional orders' destination. */
for (uint i = 0; !this->orders[i].IsType(OT_NOTHING); i++) {
if (!this->orders[i].IsType(OT_CONDITIONAL)) continue;
if (!DoCommandP(0, v->index + (i << 16), MOF_LOAD | (this->orders[i].GetConditionSkipToOrder() << 4),
CMD_MODIFY_ORDER | CMD_NO_TEST_IF_IN_NETWORK)) {
break;
}
}
}
/* Restore vehicle order-index and service interval */
DoCommandP(0, v->index, this->orderindex | (this->service_interval << 16), CMD_RESTORE_ORDER_INDEX);
/* Restore vehicle group */
DoCommandP(0, this->group, v->index, CMD_ADD_VEHICLE_GROUP);
delete this;
}
/* static */ OrderBackup *OrderBackup::GetByTile(TileIndex t)
{
OrderBackup *ob;
FOR_ALL_ORDER_BACKUPS(ob) {
if (ob->tile == t) return ob;
}
return NULL;
}
/* static */ void OrderBackup::Reset()
{
_order_backup_pool.CleanPool();
}
/* static */ void OrderBackup::ClearGroup(GroupID group)
{
OrderBackup *ob;
FOR_ALL_ORDER_BACKUPS(ob) {
if (ob->group == group) ob->group = DEFAULT_GROUP;
}
}
void InitializeOrderBackups()
{
_order_backup_pool.CleanPool();
}
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