diff options
Diffstat (limited to 'backends/sdl/sdl.cpp')
| -rw-r--r-- | backends/sdl/sdl.cpp | 488 |
1 files changed, 0 insertions, 488 deletions
diff --git a/backends/sdl/sdl.cpp b/backends/sdl/sdl.cpp deleted file mode 100644 index dce70bc780..0000000000 --- a/backends/sdl/sdl.cpp +++ /dev/null @@ -1,488 +0,0 @@ -/* ScummVM - Scumm Interpreter - * Copyright (C) 2001 Ludvig Strigeus - * Copyright (C) 2001-2006 The ScummVM project - * - * 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 "backends/sdl/sdl-common.h" -#include "common/config-manager.h" -#include "common/util.h" -#include "base/main.h" - -#include "icons/scummvm.xpm" - -#if defined(__SYMBIAN32__) -#include "SymbianOs.h" -#endif - -#if !defined(_WIN32_WCE) && !defined(__MAEMO__) - -#if defined (WIN32) -int __stdcall WinMain(HINSTANCE /*hInst*/, HINSTANCE /*hPrevInst*/, LPSTR /*lpCmdLine*/, int /*iShowCmd*/) { - SDL_SetModuleHandle(GetModuleHandle(NULL)); - return main(__argc, __argv); -} -#endif - -int main(int argc, char *argv[]) { - -#if defined(__SYMBIAN32__) - // - // Set up redirects for stdout/stderr under Windows and Symbian. - // Code copied from SDL_main. - // - - // Symbian does not like any output to the console through any *print* function - char STDOUT_FILE[256], STDERR_FILE[256]; // shhh, don't tell anybody :) - strcpy(STDOUT_FILE, Symbian::GetExecutablePath()); - strcpy(STDERR_FILE, Symbian::GetExecutablePath()); - strcat(STDOUT_FILE, "scummvm.stdout.txt"); - strcat(STDERR_FILE, "scummvm.stderr.txt"); - - /* Flush the output in case anything is queued */ - fclose(stdout); - fclose(stderr); - - /* Redirect standard input and standard output */ - FILE *newfp = freopen(STDOUT_FILE, "w", stdout); - if (newfp == NULL) { /* This happens on NT */ -#if !defined(stdout) - stdout = fopen(STDOUT_FILE, "w"); -#else - newfp = fopen(STDOUT_FILE, "w"); - if (newfp) { - *stdout = *newfp; - } -#endif - } - newfp = freopen(STDERR_FILE, "w", stderr); - if (newfp == NULL) { /* This happens on NT */ -#if !defined(stderr) - stderr = fopen(STDERR_FILE, "w"); -#else - newfp = fopen(STDERR_FILE, "w"); - if (newfp) { - *stderr = *newfp; - } -#endif - } - setbuf(stderr, NULL); /* No buffering */ - -#endif // defined(__SYMBIAN32__) - - // Create our OSystem instance -#if defined(__SYMBIAN32__) - g_system = new OSystem_SDL_Symbian(); -#else - g_system = new OSystem_SDL(); -#endif - 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; -} -#endif - -void OSystem_SDL::initBackend() { - assert(!_inited); - - int joystick_num = ConfMan.getInt("joystick_num"); - uint32 sdlFlags = SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER; - - if (ConfMan.hasKey("disable_sdl_parachute")) - sdlFlags |= SDL_INIT_NOPARACHUTE; - -#ifdef _WIN32_WCE - if (ConfMan.hasKey("use_GDI") && ConfMan.getBool("use_GDI")) { - SDL_VideoInit("windib", 0); - sdlFlags ^= SDL_INIT_VIDEO; - } -#endif - - if (joystick_num > -1) - sdlFlags |= SDL_INIT_JOYSTICK; - - if (SDL_Init(sdlFlags) == -1) { - error("Could not initialize SDL: %s", SDL_GetError()); - } - - _graphicsMutex = createMutex(); - - SDL_ShowCursor(SDL_DISABLE); - - // Enable unicode support if possible - SDL_EnableUNICODE(1); - - _cksumValid = false; -#if !defined(_WIN32_WCE) && !defined(__SYMBIAN32__) && !defined(DISABLE_SCALERS) - _mode = GFX_DOUBLESIZE; - _scaleFactor = 2; - _scalerProc = Normal2x; - _fullscreen = ConfMan.getBool("fullscreen"); - _adjustAspectRatio = ConfMan.getBool("aspect_ratio"); -#else // for small screen platforms - _mode = GFX_NORMAL; - _scaleFactor = 1; - _scalerProc = Normal1x; - -#if !defined(_WIN32_WCE) && !defined(__SYMBIAN32__) - _fullscreen = ConfMan.getBool("fullscreen"); -#else - _fullscreen = true; -#endif - - _adjustAspectRatio = false; -#endif - _scalerType = 0; - _modeFlags = 0; - -#if !defined(MACOSX) && !defined(__SYMBIAN32__) // Don't set icon on OS X, as we use a nicer external icon there - setupIcon(); // Don't for Symbian: it uses the EScummVM.aif file for the icon -#endif - - // enable joystick - if (joystick_num > -1 && SDL_NumJoysticks() > 0) { - printf("Using joystick: %s\n", SDL_JoystickName(0)); - _joystick = SDL_JoystickOpen(joystick_num); - } - - _inited = true; -} - -OSystem_SDL::OSystem_SDL() - : -#ifdef USE_OSD - _osdSurface(0), _osdAlpha(SDL_ALPHA_TRANSPARENT), _osdFadeStartTime(0), -#endif - _hwscreen(0), _screen(0), _screenWidth(0), _screenHeight(0), - _tmpscreen(0), _overlayWidth(0), _overlayHeight(0), - _overlayVisible(false), - _overlayscreen(0), _tmpscreen2(0), - _samplesPerSec(0), - _cdrom(0), _scalerProc(0), _modeChanged(false), _dirtyChecksums(0), - _mouseVisible(false), _mouseDrawn(false), _mouseData(0), _mouseSurface(0), - _mouseOrigSurface(0), _cursorTargetScale(1), _cursorPaletteDisabled(true), - _joystick(0), - _currentShakePos(0), _newShakePos(0), - _paletteDirtyStart(0), _paletteDirtyEnd(0), - _graphicsMutex(0), _transactionMode(kTransactionNone) { - - // allocate palette storage - _currentPalette = (SDL_Color *)calloc(sizeof(SDL_Color), 256); - _cursorPalette = (SDL_Color *)calloc(sizeof(SDL_Color), 256); - - _mouseBackup.x = _mouseBackup.y = _mouseBackup.w = _mouseBackup.h = 0; - - // reset mouse state - memset(&_km, 0, sizeof(_km)); - memset(&_mouseCurState, 0, sizeof(_mouseCurState)); - - _inited = false; -} - -OSystem_SDL::~OSystem_SDL() { - free(_dirtyChecksums); - free(_currentPalette); - free(_cursorPalette); - free(_mouseData); -} - -uint32 OSystem_SDL::getMillis() { - return SDL_GetTicks(); -} - -void OSystem_SDL::delayMillis(uint msecs) { - SDL_Delay(msecs); -} - -void OSystem_SDL::setTimerCallback(TimerProc callback, int timer) { - SDL_SetTimer(timer, (SDL_TimerCallback) callback); -} - -void OSystem_SDL::setWindowCaption(const char *caption) { - SDL_WM_SetCaption(caption, caption); -} - -bool OSystem_SDL::hasFeature(Feature f) { - return - (f == kFeatureFullscreenMode) || - (f == kFeatureAspectRatioCorrection) || - (f == kFeatureAutoComputeDirtyRects) || - (f == kFeatureCursorHasPalette); -} - -void OSystem_SDL::setFeatureState(Feature f, bool enable) { - switch (f) { - case kFeatureFullscreenMode: - setFullscreenMode(enable); - break; - case kFeatureAspectRatioCorrection: - setAspectRatioCorrection(enable); - break; - case kFeatureAutoComputeDirtyRects: - if (enable) - _modeFlags |= DF_WANT_RECT_OPTIM; - else - _modeFlags &= ~DF_WANT_RECT_OPTIM; - break; - default: - break; - } -} - -bool OSystem_SDL::getFeatureState(Feature f) { - assert (_transactionMode == kTransactionNone); - - switch (f) { - case kFeatureFullscreenMode: - return _fullscreen; - case kFeatureAspectRatioCorrection: - return _adjustAspectRatio; - case kFeatureAutoComputeDirtyRects: - return _modeFlags & DF_WANT_RECT_OPTIM; - default: - return false; - } -} - -void OSystem_SDL::quit() { - if (_cdrom) { - SDL_CDStop(_cdrom); - SDL_CDClose(_cdrom); - } - unloadGFXMode(); - deleteMutex(_graphicsMutex); - - if (_joystick) - SDL_JoystickClose(_joystick); - SDL_ShowCursor(SDL_ENABLE); - SDL_Quit(); - - exit(0); -} - -void OSystem_SDL::setupIcon() { - int w, h, ncols, nbytes, i; - unsigned int rgba[256], icon[32 * 32]; - unsigned char mask[32][4]; - - sscanf(scummvm_icon[0], "%d %d %d %d", &w, &h, &ncols, &nbytes); - if ((w != 32) || (h != 32) || (ncols > 255) || (nbytes > 1)) { - warning("Could not load the icon (%d %d %d %d)", w, h, ncols, nbytes); - return; - } - for (i = 0; i < ncols; i++) { - unsigned char code; - char color[32]; - unsigned int col; - sscanf(scummvm_icon[1 + i], "%c c %s", &code, color); - if (!strcmp(color, "None")) - col = 0x00000000; - else if (!strcmp(color, "black")) - col = 0xFF000000; - else if (color[0] == '#') { - sscanf(color + 1, "%06x", &col); - col |= 0xFF000000; - } else { - warning("Could not load the icon (%d %s - %s) ", code, color, scummvm_icon[1 + i]); - return; - } - - rgba[code] = col; - } - memset(mask, 0, sizeof(mask)); - for (h = 0; h < 32; h++) { - const char *line = scummvm_icon[1 + ncols + h]; - for (w = 0; w < 32; w++) { - icon[w + 32 * h] = rgba[(int)line[w]]; - if (rgba[(int)line[w]] & 0xFF000000) { - mask[h][w >> 3] |= 1 << (7 - (w & 0x07)); - } - } - } - - SDL_Surface *sdl_surf = SDL_CreateRGBSurfaceFrom(icon, 32, 32, 32, 32 * 4, 0xFF0000, 0x00FF00, 0x0000FF, 0xFF000000); - SDL_WM_SetIcon(sdl_surf, (unsigned char *) mask); - SDL_FreeSurface(sdl_surf); -} - -OSystem::MutexRef OSystem_SDL::createMutex(void) { - return (MutexRef) SDL_CreateMutex(); -} - -void OSystem_SDL::lockMutex(MutexRef mutex) { - SDL_mutexP((SDL_mutex *) mutex); -} - -void OSystem_SDL::unlockMutex(MutexRef mutex) { - SDL_mutexV((SDL_mutex *) mutex); -} - -void OSystem_SDL::deleteMutex(MutexRef mutex) { - SDL_DestroyMutex((SDL_mutex *) mutex); -} - -#pragma mark - -#pragma mark --- Audio --- -#pragma mark - - -bool OSystem_SDL::setSoundCallback(SoundProc proc, void *param) { - SDL_AudioSpec desired; - SDL_AudioSpec obtained; - - memset(&desired, 0, sizeof(desired)); - - _samplesPerSec = 0; - - if (ConfMan.hasKey("output_rate")) - _samplesPerSec = ConfMan.getInt("output_rate"); - - if (_samplesPerSec <= 0) - _samplesPerSec = SAMPLES_PER_SEC; - - // Originally, we always used 2048 samples. This loop will produce the - // same result at 22050 Hz, and should hopefully produce something - // sensible for other frequencies. Note that it must be a power of two. - - uint32 samples = 0x8000; - - for (;;) { - if ((1000 * samples) / _samplesPerSec < 100) - break; - samples >>= 1; - } - - desired.freq = _samplesPerSec; - desired.format = AUDIO_S16SYS; - desired.channels = 2; - desired.samples = (uint16)samples; - desired.callback = proc; - desired.userdata = param; - if (SDL_OpenAudio(&desired, &obtained) != 0) { - warning("Could not open audio device: %s", SDL_GetError()); - return false; - } - // Note: This should be the obtained output rate, but it seems that at - // least on some platforms SDL will lie and claim it did get the rate - // even if it didn't. Probably only happens for "weird" rates, though. - _samplesPerSec = obtained.freq; - SDL_PauseAudio(0); - return true; -} - -void OSystem_SDL::clearSoundCallback() { - SDL_CloseAudio(); -} - -int OSystem_SDL::getOutputSampleRate() const { - return _samplesPerSec; -} - -#pragma mark - -#pragma mark --- CD Audio --- -#pragma mark - - -bool OSystem_SDL::openCD(int drive) { - if (SDL_InitSubSystem(SDL_INIT_CDROM) == -1) - _cdrom = NULL; - else { - _cdrom = SDL_CDOpen(drive); - // Did it open? Check if _cdrom is NULL - if (!_cdrom) { - warning("Couldn't open drive: %s", SDL_GetError()); - } else { - _cdNumLoops = 0; - _cdStopTime = 0; - _cdEndTime = 0; - } - } - - return (_cdrom != NULL); -} - -void OSystem_SDL::stopCD() { /* Stop CD Audio in 1/10th of a second */ - _cdStopTime = SDL_GetTicks() + 100; - _cdNumLoops = 0; -} - -void OSystem_SDL::playCD(int track, int num_loops, int start_frame, int duration) { - if (!num_loops && !start_frame) - return; - - if (!_cdrom) - return; - - if (duration > 0) - duration += 5; - - _cdTrack = track; - _cdNumLoops = num_loops; - _cdStartFrame = start_frame; - - SDL_CDStatus(_cdrom); - if (start_frame == 0 && duration == 0) - SDL_CDPlayTracks(_cdrom, track, 0, 1, 0); - else - SDL_CDPlayTracks(_cdrom, track, start_frame, 0, duration); - _cdDuration = duration; - _cdStopTime = 0; - _cdEndTime = SDL_GetTicks() + _cdrom->track[track].length * 1000 / CD_FPS; -} - -bool OSystem_SDL::pollCD() { - if (!_cdrom) - return false; - - return (_cdNumLoops != 0 && (SDL_GetTicks() < _cdEndTime || SDL_CDStatus(_cdrom) != CD_STOPPED)); -} - -void OSystem_SDL::updateCD() { - if (!_cdrom) - return; - - if (_cdStopTime != 0 && SDL_GetTicks() >= _cdStopTime) { - SDL_CDStop(_cdrom); - _cdNumLoops = 0; - _cdStopTime = 0; - return; - } - - if (_cdNumLoops == 0 || SDL_GetTicks() < _cdEndTime) - return; - - if (_cdNumLoops != 1 && SDL_CDStatus(_cdrom) != CD_STOPPED) { - // Wait another second for it to be done - _cdEndTime += 1000; - return; - } - - if (_cdNumLoops > 0) - _cdNumLoops--; - - if (_cdNumLoops != 0) { - if (_cdStartFrame == 0 && _cdDuration == 0) - SDL_CDPlayTracks(_cdrom, _cdTrack, 0, 1, 0); - else - SDL_CDPlayTracks(_cdrom, _cdTrack, _cdStartFrame, 0, _cdDuration); - _cdEndTime = SDL_GetTicks() + _cdrom->track[_cdTrack].length * 1000 / CD_FPS; - } -} |