319 lines
7.4 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 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.
*
* $URL$
* $Id$
*
*/
#include "common/system.h"
#include "base/main.h"
#if defined(USE_NULL_DRIVER)
#include "common/rect.h"
#include "backends/saves/default/default-saves.h"
#include "backends/timer/default/default-timer.h"
#include "sound/mixer.h"
class OSystem_NULL : public OSystem {
protected:
Common::SaveFileManager *_savefile;
Audio::Mixer *_mixer;
Common::TimerManager *_timer;
public:
OSystem_NULL();
virtual ~OSystem_NULL();
virtual void initBackend();
virtual bool hasFeature(Feature f);
virtual void setFeatureState(Feature f, bool enable);
virtual bool getFeatureState(Feature f);
virtual const GraphicsMode *getSupportedGraphicsModes() const;
virtual int getDefaultGraphicsMode() const;
bool setGraphicsMode(const char *name);
virtual bool setGraphicsMode(int mode);
virtual int getGraphicsMode() const;
virtual void initSize(uint width, uint height);
virtual int16 getHeight();
virtual int16 getWidth();
virtual void setPalette(const byte *colors, uint start, uint num);
virtual void grabPalette(byte *colors, uint start, uint num);
virtual void copyRectToScreen(const byte *buf, int pitch, int x, int y, int w, int h);
virtual void updateScreen();
virtual Graphics::Surface *lockScreen();
virtual void unlockScreen();
virtual void setShakePos(int shakeOffset);
virtual void showOverlay();
virtual void hideOverlay();
virtual void clearOverlay();
virtual void grabOverlay(OverlayColor *buf, int pitch);
virtual void copyRectToOverlay(const OverlayColor *buf, int pitch, int x, int y, int w, int h);
virtual int16 getOverlayHeight();
virtual int16 getOverlayWidth();
virtual OverlayColor RGBToColor(uint8 r, uint8 g, uint8 b);
virtual void colorToRGB(OverlayColor color, uint8 &r, uint8 &g, uint8 &b);
virtual bool showMouse(bool visible);
virtual void warpMouse(int x, int y);
virtual void setMouseCursor(const byte *buf, uint w, uint h, int hotspotX, int hotspotY, byte keycolor = 255, int cursorTargetScale = 1);
virtual bool pollEvent(Common::Event &event);
virtual uint32 getMillis();
virtual void delayMillis(uint msecs);
virtual MutexRef createMutex(void);
virtual void lockMutex(MutexRef mutex);
virtual void unlockMutex(MutexRef mutex);
virtual void deleteMutex(MutexRef mutex);
typedef void (*SoundProc)(void *param, byte *buf, int len);
virtual bool setSoundCallback(SoundProc proc, void *param);
virtual void clearSoundCallback();
virtual int getOutputSampleRate() const;
virtual void quit();
virtual void setWindowCaption(const char *caption);
virtual Common::SaveFileManager *getSavefileManager();
virtual Audio::Mixer *getMixer();
virtual Common::TimerManager *getTimerManager();
};
static const OSystem::GraphicsMode s_supportedGraphicsModes[] = {
{0, 0, 0}
};
OSystem_NULL::OSystem_NULL() {
_savefile = 0;
_mixer = 0;
_timer = 0;
}
OSystem_NULL::~OSystem_NULL() {
delete _savefile;
delete _mixer;
delete _timer;
}
void OSystem_NULL::initBackend() {
_savefile = new DefaultSaveFileManager();
_mixer = new Audio::Mixer();
_timer = new DefaultTimerManager();
// 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 :).
OSystem::initBackend();
}
bool OSystem_NULL::hasFeature(Feature f) {
return false;
}
void OSystem_NULL::setFeatureState(Feature f, bool enable) {
}
bool OSystem_NULL::getFeatureState(Feature f) {
return false;
}
const OSystem::GraphicsMode* OSystem_NULL::getSupportedGraphicsModes() const {
return s_supportedGraphicsModes;
}
int OSystem_NULL::getDefaultGraphicsMode() const {
return -1;
}
bool OSystem_NULL::setGraphicsMode(const char *mode) {
return true;
}
bool OSystem_NULL::setGraphicsMode(int mode) {
return true;
}
int OSystem_NULL::getGraphicsMode() const {
return -1;
}
void OSystem_NULL::initSize(uint width, uint height) {
}
int16 OSystem_NULL::getHeight() {
return 320;
}
int16 OSystem_NULL::getWidth() {
return 200;
}
void OSystem_NULL::setPalette(const byte *colors, uint start, uint num) {
}
void OSystem_NULL::grabPalette(byte *colors, uint start, uint num) {
}
void OSystem_NULL::copyRectToScreen(const byte *buf, int pitch, int x, int y, int w, int h) {
}
void OSystem_NULL::updateScreen() {
}
Graphics::Surface *OSystem_NULL::lockScreen() {
return 0;
}
void OSystem_NULL::unlockScreen() {
}
void OSystem_NULL::setShakePos(int shakeOffset) {
}
void OSystem_NULL::showOverlay() {
}
void OSystem_NULL::hideOverlay() {
}
void OSystem_NULL::clearOverlay() {
}
void OSystem_NULL::grabOverlay(OverlayColor *buf, int pitch) {
}
void OSystem_NULL::copyRectToOverlay(const OverlayColor *buf, int pitch, int x, int y, int w, int h) {
}
int16 OSystem_NULL::getOverlayHeight() {
return getHeight();
}
int16 OSystem_NULL::getOverlayWidth() {
return getWidth();
}
OverlayColor OSystem_NULL::RGBToColor(uint8 r, uint8 g, uint8 b) {
return 0;
}
void OSystem_NULL::colorToRGB(OverlayColor color, uint8 &r, uint8 &g, uint8 &b) {
}
bool OSystem_NULL::showMouse(bool visible) {
return true;
}
void OSystem_NULL::warpMouse(int x, int y) {
}
void OSystem_NULL::setMouseCursor(const byte *buf, uint w, uint h, int hotspotX, int hotspotY, byte keycolor, int cursorTargetScale) {
}
bool OSystem_NULL::pollEvent(Common::Event &event) {
return false;
}
uint32 OSystem_NULL::getMillis() {
return 0;
}
void OSystem_NULL::delayMillis(uint msecs) {
}
OSystem::MutexRef OSystem_NULL::createMutex(void) {
return NULL;
}
void OSystem_NULL::lockMutex(MutexRef mutex) {
}
void OSystem_NULL::unlockMutex(MutexRef mutex) {
}
void OSystem_NULL::deleteMutex(MutexRef mutex) {
}
bool OSystem_NULL::setSoundCallback(SoundProc proc, void *param) {
return true;
}
void OSystem_NULL::clearSoundCallback() {
}
int OSystem_NULL::getOutputSampleRate() const {
return 22050;
}
void OSystem_NULL::quit() {
}
void OSystem_NULL::setWindowCaption(const char *caption) {
}
Common::SaveFileManager *OSystem_NULL::getSavefileManager() {
assert(_savefile);
return _savefile;
}
Audio::Mixer *OSystem_NULL::getMixer() {
assert(_mixer);
return _mixer;
}
Common::TimerManager *OSystem_NULL::getTimerManager() {
assert(_timer);
return _timer;
}
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);
g_system->quit(); // TODO: Consider removing / replacing this!
return res;
}
#else /* USE_NULL_DRIVER */
OSystem *OSystem_NULL_create() {
return NULL;
}
#endif