mirror of
https://github.com/libretro/scummvm.git
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140 lines
4.5 KiB
C++
140 lines
4.5 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 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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*/
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#include "base/plugins.h"
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#include "engines/advancedDetector.h"
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#include "common/config-manager.h"
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#include "common/file.h"
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#include "common/savefile.h"
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#include "pegasus/pegasus.h"
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#include "pegasus/detection.h"
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namespace Pegasus {
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bool PegasusEngine::hasFeature(EngineFeature f) const {
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return
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(f == kSupportsReturnToLauncher)
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|| (f == kSupportsLoadingDuringRuntime)
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|| (f == kSupportsSavingDuringRuntime);
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}
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bool PegasusEngine::isDemo() const {
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return (_gameDescription->desc.flags & ADGF_DEMO) != 0;
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}
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bool PegasusEngine::isDVD() const {
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return (_gameDescription->desc.flags & GF_DVD) != 0;
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}
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bool PegasusEngine::isDVDDemo() const {
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return isDemo() && isDVD();
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}
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bool PegasusEngine::isOldDemo() const {
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return isDemo() && !isDVD();
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}
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bool PegasusEngine::isWindows() const {
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return _gameDescription->desc.platform == Common::kPlatformWindows;
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}
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bool PegasusEngine::isLinux() const {
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return _gameDescription->desc.platform == Common::kPlatformLinux;
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}
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} // End of namespace Pegasus
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class PegasusMetaEngine : public AdvancedMetaEngine {
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public:
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const char *getName() const override {
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return "pegasus";
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}
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bool hasFeature(MetaEngineFeature f) const override;
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Common::Error createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const override;
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SaveStateList listSaves(const char *target) const override;
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int getMaximumSaveSlot() const override { return 999; }
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void removeSaveState(const char *target, int slot) const override;
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Common::KeymapArray initKeymaps(const char *target) const override;
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Common::String getSavegameFile(int saveGameIdx, const char *target) const override {
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if (saveGameIdx == kSavegameFilePattern)
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return Common::String::format("pegasus-*.sav");
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Common::StringArray fileNames = Pegasus::PegasusEngine::listSaveFiles();
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if (saveGameIdx < (int)fileNames.size())
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return fileNames[saveGameIdx];
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if (fileNames.empty())
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return Common::String("pegasus-1.sav");
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Common::String name = fileNames.back();
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name.insertString("_last", name.size() - 4);
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return name;
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}
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};
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bool PegasusMetaEngine::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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}
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SaveStateList PegasusMetaEngine::listSaves(const char *target) const {
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// The original had no pattern, so the user must rename theirs
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// Note that we ignore the target because saves are compatible between
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// all versions
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Common::StringArray fileNames = Pegasus::PegasusEngine::listSaveFiles();
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SaveStateList saveList;
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for (uint32 i = 0; i < fileNames.size(); i++) {
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// Isolate the description from the file name
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Common::String desc = fileNames[i].c_str() + 8;
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for (int j = 0; j < 4; j++)
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desc.deleteLastChar();
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saveList.push_back(SaveStateDescriptor(this, i, desc));
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}
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return saveList;
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}
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void PegasusMetaEngine::removeSaveState(const char *target, int slot) const {
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// See listSaves() for info on the pattern
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Common::StringArray fileNames = Pegasus::PegasusEngine::listSaveFiles();
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g_system->getSavefileManager()->removeSavefile(fileNames[slot].c_str());
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}
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Common::KeymapArray PegasusMetaEngine::initKeymaps(const char *target) const {
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return Pegasus::PegasusEngine::initKeymaps();
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}
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Common::Error PegasusMetaEngine::createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const {
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*engine = new Pegasus::PegasusEngine(syst, (const Pegasus::PegasusGameDescription *)desc);
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return Common::kNoError;
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}
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#if PLUGIN_ENABLED_DYNAMIC(PEGASUS)
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REGISTER_PLUGIN_DYNAMIC(PEGASUS, PLUGIN_TYPE_ENGINE, PegasusMetaEngine);
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#else
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REGISTER_PLUGIN_STATIC(PEGASUS, PLUGIN_TYPE_ENGINE, PegasusMetaEngine);
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#endif
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