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/*
* 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 signs_sl.cpp Code handling saving and loading of economy data */
#include "../stdafx.h"
#include "saveload.h"
#include "compat/signs_sl_compat.h"
#include "../signs_base.h"
#include "../fios.h"
#include "../safeguards.h"
/** Description of a sign within the savegame. */
static const SaveLoad _sign_desc[] = {
SLE_CONDVAR(Sign, name, SLE_NAME, SL_MIN_VERSION, SLV_84),
SLE_CONDSSTR(Sign, name, SLE_STR | SLF_ALLOW_CONTROL, SLV_84, SL_MAX_VERSION),
SLE_CONDVAR(Sign, x, SLE_FILE_I16 | SLE_VAR_I32, SL_MIN_VERSION, SLV_5),
SLE_CONDVAR(Sign, y, SLE_FILE_I16 | SLE_VAR_I32, SL_MIN_VERSION, SLV_5),
SLE_CONDVAR(Sign, x, SLE_INT32, SLV_5, SL_MAX_VERSION),
SLE_CONDVAR(Sign, y, SLE_INT32, SLV_5, SL_MAX_VERSION),
SLE_CONDVAR(Sign, owner, SLE_UINT8, SLV_6, SL_MAX_VERSION),
SLE_CONDVAR(Sign, z, SLE_FILE_U8 | SLE_VAR_I32, SL_MIN_VERSION, SLV_164),
SLE_CONDVAR(Sign, z, SLE_INT32, SLV_164, SL_MAX_VERSION),
};
struct SIGNChunkHandler : ChunkHandler {
SIGNChunkHandler() : ChunkHandler('SIGN', CH_TABLE) {}
void Save() const override
{
SlTableHeader(_sign_desc);
for (Sign *si : Sign::Iterate()) {
SlSetArrayIndex(si->index);
SlObject(si, _sign_desc);
}
}
void Load() const override
{
const std::vector<SaveLoad> slt = SlCompatTableHeader(_sign_desc, _sign_sl_compat);
int index;
while ((index = SlIterateArray()) != -1) {
Sign *si = new (index) Sign();
SlObject(si, slt);
/* Before version 6.1, signs didn't have owner.
* Before version 83, invalid signs were determined by si->str == 0.
* Before version 103, owner could be a bankrupted company.
* - we can't use IsValidCompany() now, so this is fixed in AfterLoadGame()
* All signs that were saved are valid (including those with just 'Sign' and INVALID_OWNER).
* - so set owner to OWNER_NONE if needed (signs from pre-version 6.1 would be lost) */
if (IsSavegameVersionBefore(SLV_6, 1) || (IsSavegameVersionBefore(SLV_83) && si->owner == INVALID_OWNER)) {
si->owner = OWNER_NONE;
}
/* Signs placed in scenario editor shall now be OWNER_DEITY */
if (IsSavegameVersionBefore(SLV_171) && si->owner == OWNER_NONE && _file_to_saveload.abstract_ftype == FT_SCENARIO) {
si->owner = OWNER_DEITY;
}
}
}
};
static const SIGNChunkHandler SIGN;
static const ChunkHandlerRef sign_chunk_handlers[] = {
SIGN,
};
extern const ChunkHandlerTable _sign_chunk_handlers(sign_chunk_handlers);
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