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engines/petka/petka.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 PETKA_PETKA_H
+#define PETKA_PETKA_H
+
+#include "common/random.h"
+#include "common/stream.h"
+#include "common/memstream.h"
+#include "common/savefile.h"
+
+#include "engines/engine.h"
+#include "engines/savestate.h"
+
+#include "gui/debugger.h"
+
+#include "graphics/surface.h"
+
+/*
+ *  This is the namespace of the Petka engine.
+ *
+ *  Status of this engine: In Development
+ *
+ *  Games using this engine:
+ *  - Red Comrades Demo
+ *  - Red Comrades Save the Galaxy - Fully playable
+ *  - Red Comrades 2: For the Great Justice - Fully playable
+ */
+
+struct ADGameDescription;
+
+namespace Common {
+class SeekableReadStream;
+}
+
+namespace Graphics {
+class Font;
+}
+
+namespace Video {
+class VideoDecoder;
+}
+
+namespace Petka {
+
+class Console;
+class BigDialogue;
+class FileMgr;
+class SoundMgr;
+class QManager;
+class QSystem;
+class VideoSystem;
+
+enum {
+	kPetkaDebugGeneral = 1,
+	kPetkaDebugResources,
+	kPetkaDebugMessagingSystem,
+	kPetkaDebugDialogs,
+};
+
+enum {
+	GF_COMPRESSED = (1 << 0),
+};
+
+enum PETKAActions {
+	kActionNone,
+	kActionCursorLook,
+	kActionCursorWalk,
+	kActionCursorTake,
+	kActionCursorUse,
+	kActionCursorTalk,
+	kActionCursorChapayev,
+	kActionInventory,
+	kActionMap,
+	kActionOptions,
+	kActionPrevInterface,
+	kActionSave,
+	kActionLoad,
+	kActionSkip,
+};
+
+class PetkaEngine : public Engine {
+public:
+	PetkaEngine(OSystem *syst, const ADGameDescription *desc);
+	~PetkaEngine() override;
+
+	bool isDemo() const;
+	bool isPetka2() const;
+
+	void loadPart(byte part);
+	void loadPartAtNextFrame(byte part);
+
+	byte getPart();
+	int getSaveSlot();
+
+	void loadChapter(byte chapter);
+
+	Common::Error run() override;
+
+	bool hasFeature(EngineFeature f) const override;
+
+	void applyGameSettings() override;
+
+	Common::SeekableReadStream *openFile(const Common::String &name, bool addCurrentPath);
+	Common::SeekableReadStream *openIniFile(const Common::String &name);
+
+	void playVideo(Common::SeekableReadStream *stream);
+	QSystem *getQSystem() const;
+	BigDialogue *getBigDialogue() const;
+	SoundMgr *soundMgr() const;
+	QManager *resMgr() const;
+
+	VideoSystem *videoSystem() const;
+
+	Common::RandomSource &getRnd();
+	const Common::String &getSpeechPath();
+
+	Graphics::Font *getTextFont() const { return _textFont.get(); }
+	Graphics::Font *getDescriptionFont() const { return _descriptionFont.get(); }
+
+	void pushMouseMoveEvent();
+
+	Common::Error loadGameState(int slot) override;
+	bool canLoadGameStateCurrently(Common::U32String *msg = nullptr) override;
+
+	Common::Error saveGameState(int slot, const Common::String &desc, bool isAutosave) override;
+	bool canSaveGameStateCurrently(Common::U32String *msg = nullptr) override;
+
+	int getAutosaveSlot() const override { return - 1;}
+
+	const ADGameDescription *const _desc;
+	Common::ScopedPtr<Common::MemoryReadStream> _thumbnail;
+
+protected:
+	void pauseEngineIntern(bool pause) override;
+
+private:
+	void loadStores();
+
+private:
+	Common::ScopedPtr<Console> _console;
+	Common::ScopedPtr<FileMgr> _fileMgr;
+	Common::ScopedPtr<QManager> _resMgr;
+	Common::ScopedPtr<SoundMgr> _soundMgr;
+	Common::ScopedPtr<QSystem> _qsystem;
+	Common::ScopedPtr<VideoSystem> _vsys;
+	Common::ScopedPtr<BigDialogue> _dialogMan;
+	Common::ScopedPtr<Video::VideoDecoder> _videoDec;
+	Common::ScopedPtr<Graphics::Font> _textFont;
+	Common::ScopedPtr<Graphics::Font> _descriptionFont;
+
+	Common::RandomSource _rnd;
+
+	Common::String _currentPath;
+	Common::String _speechPath;
+
+	Common::String _chapterStoreName;
+
+	uint8 _part;
+	uint8 _nextPart;
+	uint8 _chapter;
+	bool _shouldChangePart;
+	int _saveSlot;
+};
+
+class Console : public GUI::Debugger {
+public:
+	Console(PetkaEngine *vm) {}
+	virtual ~Console() {}
+};
+
+extern PetkaEngine *g_vm;
+
+WARN_UNUSED_RESULT bool readSaveHeader(Common::InSaveFile &in, SaveStateDescriptor &desc, bool skipThumbnail = true);
+Common::String generateSaveName(int slot, const char *gameId);
+
+} // End of namespace Petka
+
+#endif