mirror of
https://github.com/JGRennison/OpenTTD-patches.git
synced 2024-11-11 13:10:45 +00:00
124 lines
3.6 KiB
C++
124 lines
3.6 KiB
C++
/*
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* This file is part of OpenTTD.
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* 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.
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* 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.
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* 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/>.
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*/
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/** @file engine_sl.cpp Code handling saving and loading of engines */
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#include "../stdafx.h"
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#include "saveload_internal.h"
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#include "../engine_base.h"
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#include "../engine_func.h"
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#include "../string_func.h"
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#include <vector>
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#include "../safeguards.h"
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static std::vector<Engine*> _temp_engine;
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/**
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* Allocate an Engine structure, but not using the pools.
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* The allocated Engine must be freed using FreeEngine;
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* @return Allocated engine.
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*/
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static Engine* CallocEngine()
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{
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uint8_t *zero = CallocT<uint8_t>(sizeof(Engine));
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Engine *engine = new (zero) Engine();
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return engine;
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}
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/**
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* Deallocate an Engine constructed by CallocEngine.
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* @param e Engine to free.
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*/
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static void FreeEngine(Engine *e)
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{
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if (e != nullptr) {
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e->~Engine();
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free(e);
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}
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}
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Engine *GetTempDataEngine(EngineID index)
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{
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if (index < _temp_engine.size()) {
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return _temp_engine[index];
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} else if (index == _temp_engine.size()) {
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_temp_engine.push_back(CallocEngine());
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return _temp_engine[index];
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} else {
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NOT_REACHED();
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}
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}
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/**
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* Copy data from temporary engine array into the real engine pool.
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*/
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void CopyTempEngineData()
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{
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for (Engine *e : Engine::Iterate()) {
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if (e->index >= _temp_engine.size()) break;
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const Engine *se = GetTempDataEngine(e->index);
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e->intro_date = se->intro_date;
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e->age = se->age;
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e->reliability = se->reliability;
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e->reliability_spd_dec = se->reliability_spd_dec;
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e->reliability_start = se->reliability_start;
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e->reliability_max = se->reliability_max;
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e->reliability_final = se->reliability_final;
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e->duration_phase_1 = se->duration_phase_1;
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e->duration_phase_2 = se->duration_phase_2;
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e->duration_phase_3 = se->duration_phase_3;
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e->flags = se->flags;
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e->preview_asked = se->preview_asked;
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e->preview_company = se->preview_company;
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e->preview_wait = se->preview_wait;
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e->company_avail = se->company_avail;
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e->company_hidden = se->company_hidden;
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e->name = se->name;
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}
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ResetTempEngineData();
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}
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void ResetTempEngineData()
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{
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/* Get rid of temporary data */
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for (std::vector<Engine*>::iterator it = _temp_engine.begin(); it != _temp_engine.end(); ++it) {
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FreeEngine(*it);
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}
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_temp_engine.clear();
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}
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static void Load_ENGS()
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{
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/* Load old separate String ID list into a temporary array. This
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* was always 256 entries. */
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StringID names[256];
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SlArray(names, lengthof(names), SLE_STRINGID);
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/* Copy each string into the temporary engine array. */
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for (EngineID engine = 0; engine < lengthof(names); engine++) {
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Engine *e = GetTempDataEngine(engine);
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e->name = CopyFromOldName(names[engine]);
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}
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}
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void AfterLoadEngines()
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{
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AnalyseEngineCallbacks();
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}
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static const ChunkHandler engine_chunk_handlers[] = {
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MakeUpstreamChunkHandler<'EIDS', GeneralUpstreamChunkLoadInfo>(),
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MakeUpstreamChunkHandler<'ENGN', GeneralUpstreamChunkLoadInfo>(),
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{ 'ENGS', nullptr, Load_ENGS, nullptr, nullptr, CH_RIFF },
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};
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extern const ChunkHandlerTable _engine_chunk_handlers(engine_chunk_handlers);
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