ultima0.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program 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, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef ULTIMA0_H
#define ULTIMA0_H

#include "common/random.h"
#include "common/serializer.h"
#include "graphics/palette.h"
#include "engines/engine.h"
#include "ultima/detection.h"
#include "ultima/ultima0/data/data.h"
#include "ultima/ultima0/events.h"
#include "ultima/ultima0/music.h"

namespace Ultima {
namespace Ultima0 {

class Ultima0Engine : public Engine, public Events {
private:
    Common::RandomSource _randomSource;
    //const UltimaGameDescription *_gameDescription;

    void syncSavegame(Common::Serializer &s);

protected:
    // Engine APIs
    Common::Error run() override;

public:
    Graphics::Palette _palette;
    PlayerInfo _player;
    WorldMapInfo _worldMap;
    DungeonMapInfo _dungeon;
    bool _showMinimap = false;
    MusicPlayer *_music = nullptr;

    Ultima0Engine(OSystem *syst, const Ultima::UltimaGameDescription *gameDesc);
    ~Ultima0Engine() override;

    bool shouldQuit() const override {
        return Engine::shouldQuit();
    }

    bool hasFeature(EngineFeature f) const override;

    void setRandomSeed(uint seed) {
        _randomSource.setSeed(seed);
    }

    uint getRandomNumber(uint maxVal = RND_MAX) { return _randomSource.getRandomNumber(maxVal); }
    uint getRandomNumber(uint minVal, uint maxVal) {
        return _randomSource.getRandomNumber(maxVal - minVal) + minVal;
    }

    bool isEnhanced() const {
        return true;
    }

    bool canLoadGameStateCurrently(Common::U32String *msg = nullptr) override {
        return true;
    }

    bool canSaveGameStateCurrently(Common::U32String *msg = nullptr) override;

    Common::Error loadGameStream(Common::SeekableReadStream *stream) override;

    Common::Error saveGameStream(Common::WriteStream *stream, bool isAutosave = false) override;

    bool savegamesExist() const;

    void playMidi(const char *name);
    void stopMidi();
    bool isMidiPlaying() const {
        return _music != nullptr;
    }
};

extern Ultima0Engine *g_engine;

} // End of namespace Ultima4
} // End of namespace Ultima

#endif