scummvm/engines/glk/quest/quest.h
2021-12-26 18:48:43 +01:00

112 lines
2.5 KiB
C++

/* 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/>.
*
*/
/* Based on Geas interpreter version 3.53 */
#ifndef GLK_QUEST_QUEST
#define GLK_QUEST_QUEST
#include "glk/glk_api.h"
#include "glk/quest/string.h"
#include "glk/quest/geas_runner.h"
namespace Glk {
namespace Quest {
/**
* Quest game interpreter
*/
class Quest : public GlkAPI {
private:
int _saveSlot;
GeasRunner *_runner;
public:
String banner;
private:
/**
* Engine initialization
*/
bool initialize();
/**
* Engine cleanup
*/
void deinitialize();
/**
* Inner gameplay method
*/
void playGame();
public:
/**
* Constructor
*/
Quest(OSystem *syst, const GlkGameDescription &gameDesc);
/**
* Run the game
*/
void runGame() override;
/**
* Returns the running interpreter type
*/
InterpreterType getInterpreterType() const override {
return INTERPRETER_QUEST;
}
/**
* Returns true if a savegame can be loaded
*/
bool canLoadGameStateCurrently() override {
return _runner != nullptr && GlkAPI::canLoadGameStateCurrently();
}
/**
* Returns true if the game can be saved
*/
bool canSaveGameStateCurrently() override {
return _runner != nullptr && GlkAPI::canLoadGameStateCurrently();
}
/**
* Savegames aren't supported for Quest games
*/
Common::Error readSaveData(Common::SeekableReadStream *rs) override;
/**
* Savegames aren't supported for Quest games
*/
Common::Error writeGameData(Common::WriteStream *ws) override;
/**
* Returns true if a savegame is being loaded directly from the ScummVM launcher
*/
bool loadingSavegame() const { return _saveSlot != -1; }
};
extern Quest *g_vm;
} // End of namespace Quest
} // End of namespace Glk
#endif