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engines/chewy/chewy.h

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+/* 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 CHEWY_CHEWY_H
+#define CHEWY_CHEWY_H
+
+// FIXME
+#define AIL
+#define ENGLISCH
+
+#include "common/scummsys.h"
+#include "common/error.h"
+#include "common/memstream.h"
+#include "common/random.h"
+#include "engines/engine.h"
+#include "engines/savestate.h"
+#include "graphics/screen.h"
+
+namespace Chewy {
+
+#define SCREEN_WIDTH 320
+#define SCREEN_HEIGHT 200
+
+#define SHOULD_QUIT g_engine->shouldQuit()
+#define SHOULD_QUIT_RETURN if (g_engine->shouldQuit()) return
+#define SHOULD_QUIT_RETURN0 if (g_engine->shouldQuit()) return 0
+
+struct ChewyGameDescription;
+class EventsManager;
+class Globals;
+class Sound;
+class VideoPlayer;
+
+class ChewyEngine : public Engine {
+private:
+	bool _canLoad = false;
+	bool _canSave = false;
+
+protected:
+	// Engine APIs
+	Common::Error run() override;
+
+	/**
+	 * Returns engine features
+	 */
+	bool hasFeature(EngineFeature f) const override;
+
+	void initialize();
+	void shutdown() {}
+
+public:
+	const ChewyGameDescription *_gameDescription;
+	Common::RandomSource _rnd;
+	EventsManager *_events = nullptr;
+	Globals *_globals = nullptr;
+	Sound *_sound = nullptr;
+	VideoPlayer *_video = nullptr;
+	Graphics::Screen *_screen = nullptr;
+	bool _showWalkAreas = false;
+
+public:
+	ChewyEngine(OSystem *syst, const ChewyGameDescription *gameDesc);
+	~ChewyEngine() override;
+
+	uint32 getFeatures() const;
+	Common::Language getLanguage() const;
+
+	bool canLoadGameStateCurrently(Common::U32String *msg = nullptr) override {
+		return _canLoad;
+	}
+	bool canSaveGameStateCurrently(Common::U32String *msg = nullptr) override {
+		return _canSave;
+	}
+	void setCanLoadSave(bool canLoadSave) {
+		_canLoad = canLoadSave;
+		_canSave = canLoadSave;
+	}
+
+	void syncSoundSettings() override;
+
+	/**
+	 * Load savegame data
+	 */
+	Common::Error loadGameStream(Common::SeekableReadStream *stream) override;
+
+	/**
+	 * Save savegame data
+	 */
+	Common::Error saveGameStream(Common::WriteStream *stream, bool isAutosave) override;
+
+	SaveStateList listSaves();
+
+	/**
+	 * Show the GMM
+	 */
+	void showGmm(bool isInGame);
+
+	uint getRandomNumber(uint max) {
+		return _rnd.getRandomNumber(max);
+	}
+};
+
+extern ChewyEngine *g_engine;
+extern Graphics::Screen *g_screen;
+
+} // End of namespace Chewy
+
+#endif