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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 NANCY_H
#define NANCY_H
#include "common/file.h"
#include "common/str.h"
#include "common/ptr.h"
#include "engines/engine.h"
#include "nancy/detection.h"
#include "nancy/time.h"
#include "nancy/commontypes.h"
#include "nancy/enginedata.h"
namespace Common {
class RandomSource;
class Serializer;
}
/**
* This is the namespace of the Nancy engine.
*
* Status of this engine:
* The Vampire Diaries and all Nancy Drew games up to and including
* Nancy Drew: Ghost Dogs of Moon Lake are fully completable.
* Every other game is untested but definitely unplayable.
*
* Games using this engine:
* - The Vampire Diaries (1996)
* - Almost every mainline Nancy Drew game by HeR Interactive,
* beginnning with Nancy Drew: Secrets can Kill (1998)
* up to and including Nancy Drew: Sea of Darkness (2015)
*/
namespace Nancy {
static const int kSavegameVersion = 3;
struct NancyGameDescription;
class ResourceManager;
class IFF;
class InputManager;
class SoundManager;
class GraphicsManager;
class CursorManager;
class NancyConsole;
class DeferredLoader;
namespace State {
class State;
}
class NancyEngine : public Engine {
public:
friend class NancyConsole;
NancyEngine(OSystem *syst, const NancyGameDescription *gd);
~NancyEngine();
static NancyEngine *create(GameType type, OSystem *syst, const NancyGameDescription *gd);
void errorString(const char *buf_input, char *buf_output, int buf_output_size) override;
bool hasFeature(EngineFeature f) const override;
Common::Error loadGameStream(Common::SeekableReadStream *stream) override;
Common::Error saveGameStream(Common::WriteStream *stream, bool isAutosave = false) override;
bool canLoadGameStateCurrently(Common::U32String *msg = nullptr) override;
bool canSaveGameStateCurrently(Common::U32String *msg = nullptr) override;
void secondChance();
const char *getCopyrightString() const;
uint32 getGameFlags() const;
const char *getGameId() const;
GameType getGameType() const;
Common::Language getGameLanguage() const;
Common::Platform getPlatform() const;
const StaticData &getStaticData() const;
const EngineData *getEngineData(const Common::String &name) const;
void setState(NancyState::NancyState state, NancyState::NancyState overridePrevious = NancyState::kNone);
NancyState::NancyState getState() { return _gameFlow.curState; }
void setToPreviousState();
void setMouseEnabled(bool enabled);
void addDeferredLoader(Common::SharedPtr<DeferredLoader> &loaderPtr);
// The first few games used 1/2 for false/true in
// inventory, logic conditions, and event flags
const byte _true;
const byte _false;
// Managers
ResourceManager *_resource;
GraphicsManager *_graphics;
CursorManager *_cursor;
InputManager *_input;
SoundManager *_sound;
Common::RandomSource *_randomSource;
// Used to check whether we need to show the SaveDialog
bool _hasJustSaved;
protected:
Common::Error run() override;
void pauseEngineIntern(bool pause) override;
private:
struct GameFlow {
NancyState::NancyState curState = NancyState::kNone;
NancyState::NancyState prevState = NancyState::kNone;
NancyState::NancyState nextState = NancyState::kNone;
bool changingState = true;
};
void bootGameEngine();
State::State *getStateObject(NancyState::NancyState state) const;
void destroyState(NancyState::NancyState state) const;
void preloadCals();
void readDatFile();
Common::Error synchronize(Common::Serializer &serializer);
bool isCompressed();
StaticData _staticData;
Common::HashMap<Common::String, EngineData *> _engineData;
const byte _datFileMajorVersion;
const byte _datFileMinorVersion;
GameFlow _gameFlow;
OSystem *_system;
const NancyGameDescription *_gameDescription;
Common::Array<Common::WeakPtr<DeferredLoader>> _deferredLoaderObjects;
};
extern NancyEngine *g_nancy;
#define GetEngineData(s) (const s*)g_nancy->getEngineData(#s);
} // End of namespace Nancy
#endif // NANCY_H
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