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https://github.com/libretro/scummvm.git
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7c18021c52
If the specificed savegame doesn't exist, start the game from the beginning. Before, it would just hang. The error handling is still quite primitive, though.
147 lines
3.7 KiB
C++
147 lines
3.7 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef NEVERHOOD_H
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#define NEVERHOOD_H
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#include "common/scummsys.h"
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#include "common/events.h"
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#include "common/keyboard.h"
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#include "common/random.h"
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#include "common/savefile.h"
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#include "common/str-array.h"
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#include "common/system.h"
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#include "audio/mixer.h"
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#include "engines/engine.h"
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#include "neverhood/messages.h"
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namespace Neverhood {
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enum NeverhoodGameFeatures {
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};
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struct NeverhoodGameDescription;
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class GameModule;
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class GameVars;
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class ResourceMan;
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class Screen;
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class SoundMan;
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class AudioResourceMan;
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class StaticData;
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class Console;
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struct NPoint;
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struct GameState {
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int sceneNum;
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int which;
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};
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class NeverhoodEngine : public ::Engine {
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protected:
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Common::Error run();
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void mainLoop();
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public:
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NeverhoodEngine(OSystem *syst, const NeverhoodGameDescription *gameDesc);
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virtual ~NeverhoodEngine();
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// Detection related functions
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const NeverhoodGameDescription *_gameDescription;
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const char *getGameId() const;
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uint32 getFeatures() const;
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uint16 getVersion() const;
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Common::Platform getPlatform() const;
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bool hasFeature(EngineFeature f) const;
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bool isDemo() const;
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Common::String getTargetName() { return _targetName; };
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Common::RandomSource *_rnd;
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int16 _mouseX, _mouseY;
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uint16 _buttonState;
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GameState _gameState;
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GameVars *_gameVars;
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Screen *_screen;
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ResourceMan *_res;
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GameModule *_gameModule;
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StaticData *_staticData;
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Console *_console;
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SoundMan *_soundMan;
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AudioResourceMan *_audioResourceMan;
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public:
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/* Save/load */
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enum kReadSaveHeaderError {
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kRSHENoError = 0,
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kRSHEInvalidType = 1,
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kRSHEInvalidVersion = 2,
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kRSHEIoError = 3
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};
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struct SaveHeader {
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Common::String description;
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uint32 version;
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byte gameID;
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uint32 flags;
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uint32 saveDate;
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uint32 saveTime;
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uint32 playTime;
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Graphics::Surface *thumbnail;
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};
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bool _isSaveAllowed;
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bool canLoadGameStateCurrently() { return _isSaveAllowed; }
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bool canSaveGameStateCurrently() { return _isSaveAllowed; }
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Common::Error loadGameState(int slot);
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Common::Error saveGameState(int slot, const Common::String &description);
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Common::Error removeGameState(int slot);
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bool savegame(const char *filename, const char *description);
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bool loadgame(const char *filename);
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const char *getSavegameFilename(int num);
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static Common::String getSavegameFilename(const Common::String &target, int num);
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static kReadSaveHeaderError readSaveHeader(Common::SeekableReadStream *in, bool loadThumbnail, SaveHeader &header);
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GameState& gameState() { return _gameState; }
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GameModule *gameModule() { return _gameModule; }
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int16 getMouseX() const { return _mouseX; }
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int16 getMouseY() const { return _mouseY; }
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NPoint getMousePos();
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void toggleSoundUpdate(bool state) { _updateSound = state; }
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private:
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bool _updateSound;
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};
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} // End of namespace Neverhood
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#endif /* NEVERHOOD_H */
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