/* $Id$ */ /* * 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 signs_sl.cpp Code handling saving and loading of economy data */ #include "../stdafx.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, 0, 83), SLE_CONDSTR(Sign, name, SLE_STR | SLF_ALLOW_CONTROL, 0, 84, SL_MAX_VERSION), SLE_CONDVAR(Sign, x, SLE_FILE_I16 | SLE_VAR_I32, 0, 4), SLE_CONDVAR(Sign, y, SLE_FILE_I16 | SLE_VAR_I32, 0, 4), SLE_CONDVAR(Sign, x, SLE_INT32, 5, SL_MAX_VERSION), SLE_CONDVAR(Sign, y, SLE_INT32, 5, SL_MAX_VERSION), SLE_CONDVAR(Sign, owner, SLE_UINT8, 6, SL_MAX_VERSION), SLE_CONDVAR(Sign, z, SLE_FILE_U8 | SLE_VAR_I32, 0, 163), SLE_CONDVAR(Sign, z, SLE_INT32, 164, SL_MAX_VERSION), SLE_END() }; /** Save all signs */ static void Save_SIGN() { Sign *si; FOR_ALL_SIGNS(si) { SlSetArrayIndex(si->index); SlObject(si, _sign_desc); } } /** Load all signs */ static void Load_SIGN() { int index; while ((index = SlIterateArray()) != -1) { Sign *si = new (index) Sign(); SlObject(si, _sign_desc); /* 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(6, 1) || (IsSavegameVersionBefore(83) && si->owner == INVALID_OWNER)) { si->owner = OWNER_NONE; } /* Signs placed in scenario editor shall now be OWNER_DEITY */ if (IsSavegameVersionBefore(171) && si->owner == OWNER_NONE && _file_to_saveload.abstract_ftype == FT_SCENARIO) { si->owner = OWNER_DEITY; } } } /** Chunk handlers related to signs. */ extern const ChunkHandler _sign_chunk_handlers[] = { { 'SIGN', Save_SIGN, Load_SIGN, NULL, NULL, CH_ARRAY | CH_LAST}, };