File diff r25751:3154638283de → r25752:2d6c2238f03d
src/saveload/signs_sl.cpp
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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 "saveload.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),
 
};
 

	
 
/** Save all signs */
 
static void Save_SIGN()
 
{
 
	SlTableHeader(_sign_desc);
 

	
 
	for (Sign *si : Sign::Iterate()) {
 
		SlSetArrayIndex(si->index);
 
		SlObject(si, _sign_desc);
 
	}
 
}
 

	
 
/** Load all signs */
 
static void Load_SIGN()
 
{
 
	const std::vector<SaveLoad> slt = SlCompatTableHeader(_sign_desc, _sign_sl_compat);
 

	
 
	int index;
 
	while ((index = SlIterateArray()) != -1) {
 
		Sign *si = new (index) Sign();
 
		SlObject(si, _sign_desc);
 
		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;
 
		}
 
	}
 
}
 

	
 
/** Chunk handlers related to signs. */
 
static const ChunkHandler sign_chunk_handlers[] = {
 
	{ 'SIGN', Save_SIGN, Load_SIGN, nullptr, nullptr, CH_ARRAY },
 
	{ 'SIGN', Save_SIGN, Load_SIGN, nullptr, nullptr, CH_TABLE },
 
};
 

	
 
extern const ChunkHandlerTable _sign_chunk_handlers(sign_chunk_handlers);