metaengine.cpp

#include "ack/ack.h"
#include "ack/detection.h"

#include "engines/advancedDetector.h"
#include "common/savefile.h"
#include "common/system.h"
#include "graphics/surface.h"
#include "graphics/thumbnail.h"

namespace ACK {

class ACKMetaEngine : public AdvancedMetaEngine {
public:
    const char *getName() const override {
        return "ack";
    }

    Common::Error createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const override {
        *engine = new ACKEngine(syst);
        return Common::kNoError;
    }

    bool hasFeature(MetaEngineFeature f) const override {
        return
            (f == kSupportsListSaves) ||
            (f == kSupportsLoadingDuringStartup) ||
            (f == kSupportsSavingDuringRuntime) ||
            (f == kSupportsDeleteSave);
    }

    int getMaximumSaveSlot() const override {
        return 99;
    }

    SaveStateList listSaves(const char *target) const override {
        Common::SaveFileManager *saveFileMan = g_system->getSaveFileManager();
        Common::StringArray filenames;
        Common::String pattern(target);
        pattern += ".###";

        filenames = saveFileMan->listSavefiles(pattern);

        SaveStateList saveList;
        for (Common::StringArray::const_iterator file = filenames.begin(); file != filenames.end(); ++file) {
            Common::String filename = *file;
            Common::InSaveFile *in = saveFileMan->openForLoading(filename);
            if (in) {
                Common::String saveName;
                saveName = filename;
                saveList.push_back(SaveStateDescriptor(atoi(filename.c_str() + filename.size() - 3), saveName));
                delete in;
            }
        }

        return saveList;
    }

    void removeSaveState(const char *target, int slot) const override {
        Common::String filename = Common::String::format("%s.%03d", target, slot);
        g_system->getSaveFileManager()->removeSavefile(filename);
    }

    SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const override {
        Common::String filename = Common::String::format("%s.%03d", target, slot);
        Common::InSaveFile *in = g_system->getSaveFileManager()->openForLoading(filename);

        if (in) {
            SaveStateDescriptor desc(slot, filename);
            desc.setDeletableFlag(true);
            desc.setWriteProtectedFlag(false);

            delete in;
            return desc;
        }

        return SaveStateDescriptor();
    }
};

} // End of namespace ACK

#if PLUGIN_ENABLED_DYNAMIC(ACK)
REGISTER_PLUGIN_DYNAMIC(ACK, PLUGIN_TYPE_ENGINE, ACK::ACKMetaEngine);
#else
REGISTER_PLUGIN_STATIC(ACK, PLUGIN_TYPE_ENGINE, ACK::ACKMetaEngine);
#endif