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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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "backends/modular-backend.h"
#include "base/main.h"
#if defined(USE_NULL_DRIVER)
#include "backends/saves/default/default-saves.h"
#include "backends/timer/default/default-timer.h"
#include "audio/mixer_intern.h"
#include "common/scummsys.h"
/*
* Include header files needed for the getFilesystemFactory() method.
*/
#if defined(__amigaos4__)
#include "backends/fs/amigaos4/amigaos4-fs-factory.h"
#elif defined(POSIX)
#include "backends/fs/posix/posix-fs-factory.h"
#elif defined(WIN32)
#include "backends/fs/windows/windows-fs-factory.h"
#endif
class OSystem_NULL : public ModularBackend {
public:
OSystem_NULL();
virtual ~OSystem_NULL();
virtual void initBackend();
virtual bool pollEvent(Common::Event &event);
virtual uint32 getMillis();
virtual void delayMillis(uint msecs);
virtual void getTimeAndDate(TimeDate &t) const {}
virtual Common::SeekableReadStream *createConfigReadStream();
virtual Common::WriteStream *createConfigWriteStream();
};
OSystem_NULL::OSystem_NULL() {
#if defined(__amigaos4__)
_fsFactory = new AmigaOSFilesystemFactory();
#elif defined(POSIX)
_fsFactory = new POSIXFilesystemFactory();
#elif defined(WIN32)
_fsFactory = new WindowsFilesystemFactory();
#else
#error Unknown and unsupported FS backend
#endif
}
OSystem_NULL::~OSystem_NULL() {
}
void OSystem_NULL::initBackend() {
_mutexManager = new NullMutexManager();
_timerManager = new DefaultTimerManager();
_eventManager = new DefaultEventManager(this);
_savefileManager = new DefaultSaveFileManager();
_graphicsManager = new NullGraphicsManager();
_mixer = new Audio::MixerImpl(this, 22050);
((Audio::MixerImpl *)_mixer)->setReady(false);
// Note that both the mixer and the timer manager are useless
// this way; they need to be hooked into the system somehow to
// be functional. Of course, can't do that in a NULL backend :).
BaseBackend::initBackend();
}
bool OSystem_NULL::pollEvent(Common::Event &event) {
return false;
}
uint32 OSystem_NULL::getMillis() {
return 0;
}
void OSystem_NULL::delayMillis(uint msecs) {
}
#define DEFAULT_CONFIG_FILE "scummvm.ini"
Common::SeekableReadStream *OSystem_NULL::createConfigReadStream() {
Common::FSNode file(DEFAULT_CONFIG_FILE);
return file.createReadStream();
}
Common::WriteStream *OSystem_NULL::createConfigWriteStream() {
Common::FSNode file(DEFAULT_CONFIG_FILE);
return file.createWriteStream();
}
OSystem *OSystem_NULL_create() {
return new OSystem_NULL();
}
int main(int argc, char *argv[]) {
g_system = OSystem_NULL_create();
assert(g_system);
// Invoke the actual ScummVM main entry point:
int res = scummvm_main(argc, argv);
delete (OSystem_NULL *)g_system;
return res;
}
#else /* USE_NULL_DRIVER */
OSystem *OSystem_NULL_create() {
return NULL;
}
#endif
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