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109 lines
3.9 KiB
C++
109 lines
3.9 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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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "common/system.h"
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#include "common/savefile.h"
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#include "engines/advancedDetector.h"
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#include "petka/petka.h"
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class PetkaMetaEngine : public AdvancedMetaEngine {
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public:
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const char *getName() const override {
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return "petka";
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}
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virtual bool hasFeature(MetaEngineFeature f) const override;
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virtual int getMaximumSaveSlot() const override { return 17; }
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virtual SaveStateList listSaves(const char *target) const override;
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virtual void removeSaveState(const char *target, int slot) const override;
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virtual SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const override;
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virtual Common::Error createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const override;
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};
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bool PetkaMetaEngine::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 == kSavesSupportMetaInfo) ||
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(f == kSavesSupportThumbnail) ||
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(f == kSavesSupportCreationDate) ||
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(f == kSavesSupportPlayTime);
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}
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SaveStateList PetkaMetaEngine::listSaves(const char *target) const {
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Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
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Common::String pattern = Common::String::format("%s.s##", target);
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Common::StringArray 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 2 digits of the filename, since they correspond to the save slot
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int slotNum = atoi(file->c_str() + file->size() - 2);
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if (slotNum >= 0 && slotNum <= getMaximumSaveSlot()) {
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Common::ScopedPtr<Common::InSaveFile> in(saveFileMan->openForLoading(*file));
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if (in) {
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SaveStateDescriptor desc;
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desc.setSaveSlot(slotNum);
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if (Petka::readSaveHeader(*in.get(), desc))
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saveList.push_back(desc);
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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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void PetkaMetaEngine::removeSaveState(const char *target, int slot) const {
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g_system->getSavefileManager()->removeSavefile(Petka::generateSaveName(slot, target));
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}
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SaveStateDescriptor PetkaMetaEngine::querySaveMetaInfos(const char *target, int slot) const {
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Common::ScopedPtr<Common::InSaveFile> f(g_system->getSavefileManager()->openForLoading(Petka::generateSaveName(slot, target)));
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if (f) {
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SaveStateDescriptor desc;
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if (!Petka::readSaveHeader(*f.get(), desc, false))
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return SaveStateDescriptor();
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desc.setSaveSlot(slot);
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return desc;
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}
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return SaveStateDescriptor();
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}
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Common::Error PetkaMetaEngine::createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const {
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*engine = new Petka::PetkaEngine(syst, desc);
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return Common::kNoError;
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}
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#if PLUGIN_ENABLED_DYNAMIC(PETKA)
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REGISTER_PLUGIN_DYNAMIC(PETKA, PLUGIN_TYPE_ENGINE, PetkaMetaEngine);
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#else
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REGISTER_PLUGIN_STATIC(PETKA, PLUGIN_TYPE_ENGINE, PetkaMetaEngine);
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#endif
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