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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 airport_sl.cpp Code handling saving and loading airport ids */
#include "../stdafx.h"
#include "../newgrf_commons.h"
#include "saveload.h"
/**
* Save and load the mapping between the airport id in the AirportSpec array
* and the grf file it came from.
*/
static const SaveLoad _airport_id_mapping_desc[] = {
SLE_VAR(EntityIDMapping, grfid, SLE_UINT32),
SLE_VAR(EntityIDMapping, entity_id, SLE_UINT8),
SLE_VAR(EntityIDMapping, substitute_id, SLE_UINT8),
SLE_END()
};
static void Save_APID()
{
uint i;
uint j = _airport_mngr.GetMaxMapping();
for (i = 0; i < j; i++) {
SlSetArrayIndex(i);
SlObject(&_airport_mngr.mapping_ID[i], _airport_id_mapping_desc);
}
}
static void Load_APID()
{
/* clear the current mapping stored.
* This will create the manager if ever it is not yet done */
_airport_mngr.ResetMapping();
uint max_id = _airport_mngr.GetMaxMapping();
int index;
while ((index = SlIterateArray()) != -1) {
if ((uint)index >= max_id) break;
SlObject(&_airport_mngr.mapping_ID[index], _airport_id_mapping_desc);
}
}
extern const ChunkHandler _airport_chunk_handlers[] = {
{ 'APID', Save_APID, Load_APID, NULL, NULL, CH_ARRAY | CH_LAST },
};
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