mirror of
https://github.com/libretro/scummvm.git
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137 lines
4.2 KiB
C++
137 lines
4.2 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* Additional copyright for this file:
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* Copyright (C) 1994-1998 Revolution Software Ltd.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "engines/metaengine.h"
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#include "common/config-manager.h"
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#include "common/events.h"
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#include "common/file.h"
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#include "common/fs.h"
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#include "common/gui_options.h"
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#include "common/savefile.h"
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#include "common/system.h"
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#include "sword2/sword2.h"
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#include "sword2/saveload.h"
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#include "sword2/detection_internal.h"
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class Sword2MetaEngine : public MetaEngine {
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public:
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const char *getName() const override {
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return "sword2";
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}
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bool hasFeature(MetaEngineFeature f) const override;
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SaveStateList listSaves(const char *target) const override;
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int getMaximumSaveSlot() const override;
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void removeSaveState(const char *target, int slot) const override;
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Common::Error createInstance(OSystem *syst, Engine **engine) override;
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};
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bool Sword2MetaEngine::hasFeature(MetaEngineFeature f) const {
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return
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(f == kSupportsListSaves) ||
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(f == kSupportsLoadingDuringStartup) ||
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(f == kSupportsDeleteSave) ||
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(f == kSimpleSavesNames);
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}
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bool Sword2::Sword2Engine::hasFeature(EngineFeature f) const {
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return
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(f == kSupportsReturnToLauncher) ||
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(f == kSupportsSubtitleOptions) ||
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(f == kSupportsSavingDuringRuntime) ||
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(f == kSupportsLoadingDuringRuntime);
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}
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SaveStateList Sword2MetaEngine::listSaves(const char *target) const {
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Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
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Common::StringArray filenames;
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char saveDesc[SAVE_DESCRIPTION_LEN];
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Common::String pattern = target;
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pattern += ".###";
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filenames = saveFileMan->listSavefiles(pattern);
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SaveStateList saveList;
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for (Common::StringArray::const_iterator file = filenames.begin(); file != filenames.end(); ++file) {
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// Obtain the last 3 digits of the filename, since they correspond to the save slot
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int slotNum = atoi(file->c_str() + file->size() - 3);
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if (slotNum >= 0 && slotNum <= 999) {
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Common::InSaveFile *in = saveFileMan->openForLoading(*file);
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if (in) {
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in->readUint32LE();
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in->read(saveDesc, SAVE_DESCRIPTION_LEN);
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saveList.push_back(SaveStateDescriptor(this, slotNum, saveDesc));
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delete in;
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}
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}
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}
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// Sort saves based on slot number.
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Common::sort(saveList.begin(), saveList.end(), SaveStateDescriptorSlotComparator());
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return saveList;
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}
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int Sword2MetaEngine::getMaximumSaveSlot() const { return 999; }
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void Sword2MetaEngine::removeSaveState(const char *target, int slot) const {
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Common::String filename = target;
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filename += Common::String::format(".%03d", slot);
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g_system->getSavefileManager()->removeSavefile(filename);
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}
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Common::Error Sword2MetaEngine::createInstance(OSystem *syst, Engine **engine) {
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assert(syst);
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assert(engine);
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Common::FSList fslist;
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Common::FSNode dir(ConfMan.get("path"));
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if (!dir.getChildren(fslist, Common::FSNode::kListAll)) {
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return Common::kNoGameDataFoundError;
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}
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// Invoke the detector
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Common::String gameid = ConfMan.get("gameid");
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DetectedGames detectedGames = detectGamesImpl(fslist);
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for (uint i = 0; i < detectedGames.size(); i++) {
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if (detectedGames[i].gameId == gameid) {
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*engine = new Sword2::Sword2Engine(syst);
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return Common::kNoError;
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}
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}
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return Common::kNoGameDataFoundError;
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}
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#if PLUGIN_ENABLED_DYNAMIC(SWORD2)
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REGISTER_PLUGIN_DYNAMIC(SWORD2, PLUGIN_TYPE_ENGINE, Sword2MetaEngine);
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#else
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REGISTER_PLUGIN_STATIC(SWORD2, PLUGIN_TYPE_ENGINE, Sword2MetaEngine);
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#endif
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