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authorMax Horn2006-06-24 12:33:52 +0000
committerMax Horn2006-06-24 12:33:52 +0000
commit492c65009cb186024f52ec1970617028c3d09efe (patch)
tree8e4f89975ccd8bc094161c73c128d92706880a73 /backends/sdl/sdl.cpp
parentdc41d02ac73109add30a3456bc44d558f29d2f8d (diff)
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Started to move 'monolithic' parts of our ports to the new 'background/platform' directory (see also the 'Modular_Backends' page in our Wiki)
svn-id: r23293
Diffstat (limited to 'backends/sdl/sdl.cpp')
-rw-r--r--backends/sdl/sdl.cpp488
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;
- }
-}