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engines/bagel/bagel.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 BAGEL_H
+#define BAGEL_H
+
+#include "common/random.h"
+#include "graphics/screen.h"
+#include "bagel/detection.h"
+#include "bagel/music.h"
+#include "bagel/spacebar/baglib/master_win.h"
+
+namespace Bagel {
+
+struct BagelGameDescription;
+
+class BagelEngine : public Engine {
+private:
+	const ADGameDescription *_gameDescription;
+	Common::RandomSource _randomSource;
+
+public:
+	bool _useOriginalSaveLoad = false;
+	SpaceBar::CBagMasterWin *_masterWin = nullptr;
+	CBofPoint g_cInitLoc;       // This is the initial location for the next new pan (only option at this point)
+	bool g_bUseInitLoc = false;
+	bool g_getVilVarsFl = true;
+	MusicPlayer *_midi = nullptr;
+
+public:
+	BagelEngine(OSystem *syst, const ADGameDescription *gameDesc);
+	~BagelEngine() override;
+
+	uint32 getFeatures() const;
+
+	/**
+	 * Returns the game Id
+	 */
+	Common::String getGameId() const;
+
+	/**
+	 * Return if the game is Space Bar
+	 */
+	bool isSpaceBar() const {
+		return getGameId() == "spacebar";
+	}
+
+	/**
+	 * Return the game's platform
+	 */
+	Common::Platform getPlatform() const;
+
+	/**
+	 * Return whether it's a demo
+	 */
+	bool isDemo() const;
+	bool isMazeODoomDemo() const;
+
+	/**
+	 * Gets a random number
+	 */
+	uint32 getRandomNumber(uint maxNum = 0x7fffffff) {
+		return _randomSource.getRandomNumber(maxNum);
+	}
+
+	bool hasFeature(EngineFeature f) const override {
+		return
+		    (f == kSupportsLoadingDuringRuntime) ||
+		    (f == kSupportsSavingDuringRuntime) ||
+		    (f == kSupportsReturnToLauncher);
+	};
+
+	/**
+	 * Returns a list of savegames
+	 */
+	SaveStateList listSaves() const;
+
+	/**
+	 * Returns true if any savegames exist
+	 */
+	bool savesExist() const;
+
+	virtual Graphics::Screen *getScreen() const = 0;
+
+	void errorDialog(const char *msg) const;
+
+	void enableKeymapper(bool enabled);
+};
+
+extern BagelEngine *g_engine;
+#define SHOULD_QUIT ::Bagel::g_engine->shouldQuit()
+
+inline int brand() {
+	return g_engine->getRandomNumber(RAND_MAX);
+}
+
+} // End of namespace Bagel
+
+#endif // BAGEL_H