/* $Id$ */ /* * 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 engine_sl.cpp Code handling saving and loading of engines */ #include "../stdafx.h" #include "saveload_internal.h" #include "../engine_base.h" #include <map> static const SaveLoad _engine_desc[] = { SLE_CONDVAR(Engine, intro_date, SLE_FILE_U16 | SLE_VAR_I32, 0, 30), SLE_CONDVAR(Engine, intro_date, SLE_INT32, 31, SL_MAX_VERSION), SLE_CONDVAR(Engine, age, SLE_FILE_U16 | SLE_VAR_I32, 0, 30), SLE_CONDVAR(Engine, age, SLE_INT32, 31, SL_MAX_VERSION), SLE_VAR(Engine, reliability, SLE_UINT16), SLE_VAR(Engine, reliability_spd_dec, SLE_UINT16), SLE_VAR(Engine, reliability_start, SLE_UINT16), SLE_VAR(Engine, reliability_max, SLE_UINT16), SLE_VAR(Engine, reliability_final, SLE_UINT16), SLE_VAR(Engine, duration_phase_1, SLE_UINT16), SLE_VAR(Engine, duration_phase_2, SLE_UINT16), SLE_VAR(Engine, duration_phase_3, SLE_UINT16), SLE_CONDNULL(1, 0, 120), SLE_VAR(Engine, flags, SLE_UINT8), SLE_VAR(Engine, preview_company_rank,SLE_UINT8), SLE_VAR(Engine, preview_wait, SLE_UINT8), SLE_CONDNULL(1, 0, 44), SLE_CONDVAR(Engine, company_avail, SLE_FILE_U8 | SLE_VAR_U16, 0, 103), SLE_CONDVAR(Engine, company_avail, SLE_UINT16, 104, SL_MAX_VERSION), SLE_CONDSTR(Engine, name, SLE_STR, 0, 84, SL_MAX_VERSION), /* reserve extra space in savegame here. (currently 16 bytes) */ SLE_CONDNULL(16, 2, SL_MAX_VERSION), SLE_END() }; static std::map<EngineID, Engine> _temp_engine; Engine *GetTempDataEngine(EngineID index) { return &_temp_engine[index]; } static void Save_ENGN() { Engine *e; FOR_ALL_ENGINES(e) { SlSetArrayIndex(e->index); SlObject(e, _engine_desc); } } static void Load_ENGN() { /* As engine data is loaded before engines are initialized we need to load * this information into a temporary array. This is then copied into the * engine pool after processing NewGRFs by CopyTempEngineData(). */ int index; while ((index = SlIterateArray()) != -1) { Engine *e = GetTempDataEngine(index); SlObject(e, _engine_desc); } } /** * Copy data from temporary engine array into the real engine pool. */ void CopyTempEngineData() { Engine *e; FOR_ALL_ENGINES(e) { if (e->index >= _temp_engine.size()) break; const Engine *se = GetTempDataEngine(e->index); e->intro_date = se->intro_date; e->age = se->age; e->reliability = se->reliability; e->reliability_spd_dec = se->reliability_spd_dec; e->reliability_start = se->reliability_start; e->reliability_max = se->reliability_max; e->reliability_final = se->reliability_final; e->duration_phase_1 = se->duration_phase_1; e->duration_phase_2 = se->duration_phase_2; e->duration_phase_3 = se->duration_phase_3; e->flags = se->flags; e->preview_company_rank= se->preview_company_rank; e->preview_wait = se->preview_wait; e->company_avail = se->company_avail; if (se->name != NULL) e->name = strdup(se->name); } /* Get rid of temporary data */ _temp_engine.clear(); } static void Load_ENGS() { /* Load old separate String ID list into a temporary array. This * was always 256 entries. */ StringID names[256]; SlArray(names, lengthof(names), SLE_STRINGID); /* Copy each string into the temporary engine array. */ for (EngineID engine = 0; engine < lengthof(names); engine++) { Engine *e = GetTempDataEngine(engine); e->name = CopyFromOldName(names[engine]); } } /** Save and load the mapping between the engine id in the pool, and the grf file it came from. */ static const SaveLoad _engine_id_mapping_desc[] = { SLE_VAR(EngineIDMapping, grfid, SLE_UINT32), SLE_VAR(EngineIDMapping, internal_id, SLE_UINT16), SLE_VAR(EngineIDMapping, type, SLE_UINT8), SLE_VAR(EngineIDMapping, substitute_id, SLE_UINT8), SLE_END() }; static void Save_EIDS() { const EngineIDMapping *end = _engine_mngr.End(); uint index = 0; for (EngineIDMapping *eid = _engine_mngr.Begin(); eid != end; eid++, index++) { SlSetArrayIndex(index); SlObject(eid, _engine_id_mapping_desc); } } static void Load_EIDS() { int index; _engine_mngr.Clear(); while ((index = SlIterateArray()) != -1) { EngineIDMapping *eid = _engine_mngr.Append(); SlObject(eid, _engine_id_mapping_desc); } } extern const ChunkHandler _engine_chunk_handlers[] = { { 'EIDS', Save_EIDS, Load_EIDS, NULL, CH_ARRAY }, { 'ENGN', Save_ENGN, Load_ENGN, NULL, CH_ARRAY }, { 'ENGS', NULL, Load_ENGS, NULL, CH_RIFF | CH_LAST }, };