diff options
Diffstat (limited to 'backends/sdl/sdl-common.cpp')
-rw-r--r-- | backends/sdl/sdl-common.cpp | 1649 |
1 files changed, 0 insertions, 1649 deletions
diff --git a/backends/sdl/sdl-common.cpp b/backends/sdl/sdl-common.cpp deleted file mode 100644 index 3fc8e7c2ec..0000000000 --- a/backends/sdl/sdl-common.cpp +++ /dev/null @@ -1,1649 +0,0 @@ -/* ScummVM - Scumm Interpreter - * Copyright (C) 2001-2004 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - * $Header$ - * - */ - -#include "backends/sdl/sdl-common.h" -#include "sound/mididrv.h" -#include "common/config-manager.h" -#include "common/scaler.h" -#include "common/util.h" - -#if defined(HAVE_CONFIG_H) -#include "config.h" -#endif - -#include "scummvm.xpm" - - -// FIXME move joystick defines out and replace with confile file options -// we should really allow users to map any key to a joystick button -#define JOY_DEADZONE 3200 -#define JOY_ANALOG -// #define JOY_INVERT_Y -#define JOY_XAXIS 0 -#define JOY_YAXIS 1 -// buttons -#define JOY_BUT_LMOUSE 0 -#define JOY_BUT_RMOUSE 2 -#define JOY_BUT_ESCAPE 3 -#define JOY_BUT_PERIOD 1 -#define JOY_BUT_SPACE 4 -#define JOY_BUT_F5 5 - -static const OSystem::GraphicsMode s_supportedGraphicsModes[] = { - {"1x", "Normal (no scaling)", GFX_NORMAL}, - {"2x", "2x", GFX_DOUBLESIZE}, - {"3x", "3x", GFX_TRIPLESIZE}, - {"2xsai", "2xSAI", GFX_2XSAI}, - {"super2xsai", "Super2xSAI", GFX_SUPER2XSAI}, - {"supereagle", "SuperEagle", GFX_SUPEREAGLE}, - {"advmame2x", "AdvMAME2x", GFX_ADVMAME2X}, - {"advmame3x", "AdvMAME3x", GFX_ADVMAME3X}, - {"hq2x", "HQ2x", GFX_HQ2X}, - {"hq3x", "HQ3x", GFX_HQ3X}, - {"tv2x", "TV2x", GFX_TV2X}, - {"dotmatrix", "DotMatrix", GFX_DOTMATRIX}, - {0, 0, 0} -}; - -static const int s_gfxModeSwitchTable[][4] = { - { GFX_NORMAL, GFX_DOUBLESIZE, GFX_TRIPLESIZE, -1 }, - { GFX_NORMAL, GFX_ADVMAME2X, GFX_ADVMAME3X, -1 }, - { GFX_NORMAL, GFX_HQ2X, GFX_HQ3X, -1 }, - { GFX_NORMAL, GFX_2XSAI, -1, -1 }, - { GFX_NORMAL, GFX_SUPER2XSAI, -1, -1 }, - { GFX_NORMAL, GFX_SUPEREAGLE, -1, -1 }, - { GFX_NORMAL, GFX_TV2X, -1, -1 }, - { GFX_NORMAL, GFX_DOTMATRIX, -1, -1 } - }; - - -OSystem *OSystem_SDL_create() { - return OSystem_SDL_Common::create(); -} - -OSystem *OSystem_SDL_Common::create() { - OSystem_SDL_Common *syst = OSystem_SDL_Common::create_intern(); - - syst->init_intern(); - - return syst; -} - -void OSystem_SDL_Common::init_intern() { - - int joystick_num = ConfMan.getInt("joystick_num"); - uint32 sdlFlags = SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER; - - 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); - - cksum_valid = false; - _mode = GFX_DOUBLESIZE; - _full_screen = ConfMan.getBool("fullscreen"); - _adjustAspectRatio = ConfMan.getBool("aspect_ratio"); - _mode_flags = 0; - - -#ifndef MACOSX // Don't set icon on OS X, as we use a nicer external icon there - // Setup the icon - setup_icon(); -#endif - - // enable joystick - if (joystick_num > -1 && SDL_NumJoysticks() > 0) { - printf("Using joystick: %s\n", SDL_JoystickName(0)); - init_joystick(joystick_num); - } -} - -void OSystem_SDL_Common::set_timer(TimerProc callback, int timer) { - SDL_SetTimer(timer, (SDL_TimerCallback) callback); -} - -OSystem_SDL_Common::OSystem_SDL_Common() - : _screen(0), _screenWidth(0), _screenHeight(0), - _tmpscreen(0), _tmpScreenWidth(0), _overlayVisible(false), - _cdrom(0), _scaler_proc(0), _modeChanged(false), _dirty_checksums(0), - _mouseVisible(false), _mouseDrawn(false), _mouseData(0), - _mouseHotspotX(0), _mouseHotspotY(0), - _currentShakePos(0), _newShakePos(0), - _paletteDirtyStart(0), _paletteDirtyEnd(0), - _graphicsMutex(0) { - - // allocate palette storage - _currentPalette = (SDL_Color *)calloc(sizeof(SDL_Color), 256); - - // allocate the dirty rect storage - _mouseBackup = (byte *)malloc(MAX_MOUSE_W * MAX_MOUSE_H * MAX_SCALING * 2); - - // reset mouse state - memset(&km, 0, sizeof(km)); -} - -OSystem_SDL_Common::~OSystem_SDL_Common() { -// unload_gfx_mode(); - - if (_dirty_checksums) - free(_dirty_checksums); - free(_currentPalette); - free(_mouseBackup); - deleteMutex(_graphicsMutex); - - SDL_ShowCursor(SDL_ENABLE); - SDL_Quit(); -} - -void OSystem_SDL_Common::initSize(uint w, uint h) { - // Avoid redundant res changes - if ((int)w == _screenWidth && (int)h == _screenHeight) - return; - - _screenWidth = w; - _screenHeight = h; - - if (h != 200) - _adjustAspectRatio = false; - - CKSUM_NUM = (_screenWidth * _screenHeight / (8 * 8)); - if (_dirty_checksums) - free(_dirty_checksums); - _dirty_checksums = (uint32 *)calloc(CKSUM_NUM * 2, sizeof(uint32)); - - unload_gfx_mode(); - load_gfx_mode(); -} - -void OSystem_SDL_Common::copy_rect(const byte *src, int pitch, int x, int y, int w, int h) { - if (_screen == NULL) - return; - - Common::StackLock lock(_graphicsMutex, this); // Lock the mutex until this function ends - - if (((long)src & 3) == 0 && pitch == _screenWidth && x==0 && y==0 && - w==_screenWidth && h==_screenHeight && _mode_flags&DF_WANT_RECT_OPTIM) { - /* Special, optimized case for full screen updates. - * It tries to determine what areas were actually changed, - * and just updates those, on the actual display. */ - add_dirty_rgn_auto(src); - } else { - /* Clip the coordinates */ - if (x < 0) { - w += x; - src -= x; - x = 0; - } - - if (y < 0) { - h += y; - src -= y * pitch; - y = 0; - } - - if (w > _screenWidth - x) { - w = _screenWidth - x; - } - - if (h > _screenHeight - y) { - h = _screenHeight - y; - } - - if (w <= 0 || h <= 0) - return; - - cksum_valid = false; - add_dirty_rect(x, y, w, h); - } - - /* FIXME: undraw mouse only if the draw rect intersects with the mouse rect */ - if (_mouseDrawn) - undraw_mouse(); - - // Try to lock the screen surface - if (SDL_LockSurface(_screen) == -1) - error("SDL_LockSurface failed: %s", SDL_GetError()); - - byte *dst = (byte *)_screen->pixels + y * _screenWidth + x; - - if (_screenWidth==pitch && pitch == w) { - memcpy(dst, src, h*w); - } else { - do { - memcpy(dst, src, w); - src += pitch; - dst += _screenWidth; - } while (--h); - } - - // Unlock the screen surface - SDL_UnlockSurface(_screen); -} - - -void OSystem_SDL_Common::move_screen(int dx, int dy, int height) { - - // Short circuit check - do we have to do anything anyway? - if ((dx == 0 && dy == 0) || height <= 0) - return; - - Common::StackLock lock(_graphicsMutex, this); // Lock the mutex until this function ends - - byte *src, *dst; - int x, y; - - // We'll have to do a full screen redraw anyway, so set the flag. - _forceFull = true; - - // Hide the mouse - if (_mouseDrawn) - undraw_mouse(); - - // Try to lock the screen surface - if (SDL_LockSurface(_screen) == -1) - error("SDL_LockSurface failed: %s", SDL_GetError()); - - // vertical movement - if (dy > 0) { - // move down - copy from bottom to top - dst = (byte *)_screen->pixels + (height - 1) * _screenWidth; - src = dst - dy * _screenWidth; - for (y = dy; y < height; y++) { - memcpy(dst, src, _screenWidth); - src -= _screenWidth; - dst -= _screenWidth; - } - } else if (dy < 0) { - // move up - copy from top to bottom - dst = (byte *)_screen->pixels; - src = dst - dy * _screenWidth; - for (y = -dy; y < height; y++) { - memcpy(dst, src, _screenWidth); - src += _screenWidth; - dst += _screenWidth; - } - } - - // horizontal movement - if (dx > 0) { - // move right - copy from right to left - dst = (byte *)_screen->pixels + (_screenWidth - 1); - src = dst - dx; - for (y = 0; y < height; y++) { - for (x = dx; x < _screenWidth; x++) { - *dst-- = *src--; - } - src += _screenWidth + (_screenWidth - dx); - dst += _screenWidth + (_screenWidth - dx); - } - } else if (dx < 0) { - // move left - copy from left to right - dst = (byte *)_screen->pixels; - src = dst - dx; - for (y = 0; y < height; y++) { - for (x = -dx; x < _screenWidth; x++) { - *dst++ = *src++; - } - src += _screenWidth - (_screenWidth + dx); - dst += _screenWidth - (_screenWidth + dx); - } - } - - // Unlock the screen surface - SDL_UnlockSurface(_screen); -} - -void OSystem_SDL_Common::add_dirty_rect(int x, int y, int w, int h) { - if (_forceFull) - return; - - if (_num_dirty_rects == NUM_DIRTY_RECT) - _forceFull = true; - else { - SDL_Rect *r = &_dirty_rect_list[_num_dirty_rects++]; - // Extend the dirty region by 1 pixel for scalers - // that "smear" the screen, e.g. 2xSAI - if (_mode_flags & DF_UPDATE_EXPAND_1_PIXEL) { - x--; - y--; - w+=2; - h+=2; - } - - // clip - if (x < 0) { - w += x; x = 0; - } - - if (y < 0) { - h += y; - y=0; - } - - if (w > _screenWidth - x) { - w = _screenWidth - x; - } - - if (h > _screenHeight - y) { - h = _screenHeight - y; - } - - if (_adjustAspectRatio) - makeRectStretchable(x, y, w, h); - - r->x = x; - r->y = y; - r->w = w; - r->h = h; - } -} - - -void OSystem_SDL_Common::mk_checksums(const byte *buf) { - uint32 *sums = _dirty_checksums; - uint x,y; - const uint last_x = (uint)_screenWidth / 8; - const uint last_y = (uint)_screenHeight / 8; - - const uint BASE = 65521; /* largest prime smaller than 65536 */ - - /* the 8x8 blocks in buf are enumerated starting in the top left corner and - * reading each line at a time from left to right */ - for(y = 0; y != last_y; y++, buf += _screenWidth * (8 - 1)) - for(x = 0; x != last_x; x++, buf += 8) { - // Adler32 checksum algorithm (from RFC1950, used by gzip and zlib). - // This computes the Adler32 checksum of a 8x8 pixel block. Note - // that we can do the modulo operation (which is the slowest part) - // of the algorithm) at the end, instead of doing each iteration, - // since we only have 64 iterations in total - and thus s1 and - // s2 can't overflow anyway. - uint32 s1 = 1; - uint32 s2 = 0; - const byte *ptr = buf; - for (int subY = 0; subY < 8; subY++) { - for (int subX = 0; subX < 8; subX++) { - s1 += ptr[subX]; - s2 += s1; - } - ptr += _screenWidth; - } - - s1 %= BASE; - s2 %= BASE; - - /* output the checksum for this block */ - *sums++ = (s2 << 16) + s1; - } -} - -void OSystem_SDL_Common::add_dirty_rgn_auto(const byte *buf) { - assert(((long)buf & 3) == 0); - - /* generate a table of the checksums */ - mk_checksums(buf); - - if (!cksum_valid) { - _forceFull = true; - cksum_valid = true; - } - - /* go through the checksum list, compare it with the previous checksums, - and add all dirty rectangles to a list. try to combine small rectangles - into bigger ones in a simple way */ - if (!_forceFull) { - int x,y,w; - uint32 *ck = _dirty_checksums; - - for(y = 0; y!=_screenHeight / 8; y++) { - for(x = 0; x!=_screenWidth / 8; x++, ck++) { - if (ck[0] != ck[CKSUM_NUM]) { - /* found a dirty 8x8 block, now go as far to the right as possible, - and at the same time, unmark the dirty status by setting old to new. */ - w=0; - do { - ck[w + CKSUM_NUM] = ck[w]; - w++; - } while (x + w != _screenWidth / 8 && ck[w] != ck[w + CKSUM_NUM]); - - add_dirty_rect(x * 8, y * 8, w * 8, 8); - - if (_forceFull) - goto get_out; - } - } - } - } else { - get_out:; - /* Copy old checksums to new */ - memcpy(_dirty_checksums + CKSUM_NUM, _dirty_checksums, CKSUM_NUM * sizeof(uint32)); - } -} - -void OSystem_SDL_Common::kbd_mouse() { - uint32 curTime = get_msecs(); - if (curTime >= km.last_time + km.delay_time) { - km.last_time = curTime; - if (km.x_down_count == 1) { - km.x_down_time = curTime; - km.x_down_count = 2; - } - if (km.y_down_count == 1) { - km.y_down_time = curTime; - km.y_down_count = 2; - } - - if (km.x_vel || km.y_vel) { - if (km.x_down_count) { - if (curTime > km.x_down_time + km.delay_time * 12) { - if (km.x_vel > 0) - km.x_vel++; - else - km.x_vel--; - } else if (curTime > km.x_down_time + km.delay_time * 8) { - if (km.x_vel > 0) - km.x_vel = 5; - else - km.x_vel = -5; - } - } - if (km.y_down_count) { - if (curTime > km.y_down_time + km.delay_time * 12) { - if (km.y_vel > 0) - km.y_vel++; - else - km.y_vel--; - } else if (curTime > km.y_down_time + km.delay_time * 8) { - if (km.y_vel > 0) - km.y_vel = 5; - else - km.y_vel = -5; - } - } - - km.x += km.x_vel; - km.y += km.y_vel; - - if (km.x < 0) { - km.x = 0; - km.x_vel = -1; - km.x_down_count = 1; - } else if (km.x > km.x_max) { - km.x = km.x_max; - km.x_vel = 1; - km.x_down_count = 1; - } - - if (km.y < 0) { - km.y = 0; - km.y_vel = -1; - km.y_down_count = 1; - } else if (km.y > km.y_max) { - km.y = km.y_max; - km.y_vel = 1; - km.y_down_count = 1; - } - - SDL_WarpMouse(km.x, km.y); - } - } -} - -bool OSystem_SDL_Common::show_mouse(bool visible) { - if (_mouseVisible == visible) - return visible; - - bool last = _mouseVisible; - _mouseVisible = visible; - - if (visible) - draw_mouse(); - else - undraw_mouse(); - - return last; -} - -void OSystem_SDL_Common::set_mouse_pos(int x, int y) { - if (x != _mouseCurState.x || y != _mouseCurState.y) { - _mouseCurState.x = x; - _mouseCurState.y = y; - undraw_mouse(); - updateScreen(); - } -} - -void OSystem_SDL_Common::warp_mouse(int x, int y) { - if (_mouseCurState.x != x || _mouseCurState.y != y) { - SDL_WarpMouse(x * _scaleFactor, y * _scaleFactor); - - // SDL_WarpMouse() generates a mouse movement event, so - // set_mouse_pos() would be called eventually. However, the - // cannon script in CoMI calls this function twice each time - // the cannon is reloaded. Unless we update the mouse position - // immediately the second call is ignored, causing the cannon - // to change its aim. - - set_mouse_pos(x, y); - } -} - -void OSystem_SDL_Common::set_mouse_cursor(const byte *buf, uint w, uint h, int hotspot_x, int hotspot_y) { - assert(w <= MAX_MOUSE_W); - assert(h <= MAX_MOUSE_H); - _mouseCurState.w = w; - _mouseCurState.h = h; - - _mouseHotspotX = hotspot_x; - _mouseHotspotY = hotspot_y; - - _mouseData = buf; - - undraw_mouse(); -} - -void OSystem_SDL_Common::set_shake_pos(int shake_pos) { - _newShakePos = shake_pos; -} - -uint32 OSystem_SDL_Common::get_msecs() { - return SDL_GetTicks(); -} - -void OSystem_SDL_Common::delay_msecs(uint msecs) { - SDL_Delay(msecs); -} - -static int mapKey(SDLKey key, SDLMod mod, Uint16 unicode) -{ - if (key >= SDLK_F1 && key <= SDLK_F9) { - return key - SDLK_F1 + 315; - } else if (key >= SDLK_KP0 && key <= SDLK_KP9) { - return key - SDLK_KP0 + '0'; - } else if (key >= SDLK_UP && key <= SDLK_PAGEDOWN) { - return key; - } else if (unicode) { - return unicode; - } else if (key >= 'a' && key <= 'z' && mod & KMOD_SHIFT) { - return key & ~0x20; - } else if (key >= SDLK_NUMLOCK && key <= SDLK_EURO) { - return 0; - } - return key; -} - -void OSystem_SDL_Common::fillMouseEvent(Event &event, int x, int y) { - event.mouse.x = x; - event.mouse.y = y; - - // Update the "keyboard mouse" coords - km.x = event.mouse.x; - km.y = event.mouse.y; - - // Adjust for the screen scaling - event.mouse.x /= _scaleFactor; - event.mouse.y /= _scaleFactor; - - // Optionally perform aspect ratio adjusting - if (_adjustAspectRatio) - event.mouse.y = aspect2Real(event.mouse.y); -} - -bool OSystem_SDL_Common::poll_event(Event *event) { - SDL_Event ev; - int axis; - byte b = 0; - - kbd_mouse(); - - // If the screen mode changed, send an EVENT_SCREEN_CHANGED - if (_modeChanged) { - _modeChanged = false; - event->event_code = EVENT_SCREEN_CHANGED; - return true; - } - - while(SDL_PollEvent(&ev)) { - switch(ev.type) { - case SDL_KEYDOWN: -#ifdef LINUPY - // Yopy has no ALT key, steal the SHIFT key - // (which isn't used much anyway) - if (ev.key.keysym.mod & KMOD_SHIFT) - b |= KBD_ALT; - if (ev.key.keysym.mod & KMOD_CTRL) - b |= KBD_CTRL; -#else - if (ev.key.keysym.mod & KMOD_SHIFT) - b |= KBD_SHIFT; - if (ev.key.keysym.mod & KMOD_CTRL) - b |= KBD_CTRL; - if (ev.key.keysym.mod & KMOD_ALT) - b |= KBD_ALT; -#endif - event->kbd.flags = b; - - // Alt-Return toggles full screen mode - if (b == KBD_ALT && ev.key.keysym.sym == SDLK_RETURN) { - setFeatureState(kFeatureFullscreenMode, !_full_screen); - break; - } - - if (b == KBD_ALT && ev.key.keysym.sym == 's') { - char filename[20]; - - for (int n = 0;; n++) { - SDL_RWops *file; - - sprintf(filename, "scummvm%05d.bmp", n); - file = SDL_RWFromFile(filename, "r"); - if (!file) - break; - SDL_RWclose(file); - } - if (save_screenshot(filename)) - printf("Saved '%s'\n", filename); - else - printf("Could not save screenshot!\n"); - break; - } - -#ifdef MACOSX - // On Macintosh', Cmd-Q quits - if ((ev.key.keysym.mod & KMOD_META) && ev.key.keysym.sym == 'q') { - event->event_code = EVENT_QUIT; - return true; - } -#else - // Ctrl-m toggles mouse capture - if (b == KBD_CTRL && ev.key.keysym.sym == 'm') { - toggleMouseGrab(); - break; - } - - // Ctrl-z and Alt-X quit - if ((b == KBD_CTRL && ev.key.keysym.sym == 'z') || (b == KBD_ALT && ev.key.keysym.sym == 'x')) { - event->event_code = EVENT_QUIT; - return true; - } -#endif - - // Ctrl-Alt-<key> will change the GFX mode - if ((b & (KBD_CTRL|KBD_ALT)) == (KBD_CTRL|KBD_ALT)) { - // FIXME EVIL HACK: This shouldn't be a static int, rather it - // should be a member variable. Furthermore, it shouldn't be - // set in this code, rather it should be set by load_gfx_mode(). - // But for now this quick&dirty hack works. - static int _scalerType = 0; - if (_mode != GFX_NORMAL) { - // Try to figure out which gfx mode "group" we are in - // This is just a temporary hack until the proper solution - // (i.e. code in load_gfx_mode()) is in effect. - for (int i = 0; i < ARRAYSIZE(s_gfxModeSwitchTable); i++) { - if (s_gfxModeSwitchTable[i][1] == _mode || s_gfxModeSwitchTable[i][2] == _mode) { - _scalerType = i; - break; - } - } - } - - int factor = _scaleFactor - 1; - - // Ctrl-Alt-a toggles aspect ratio correction - if (ev.key.keysym.sym == 'a') { - setFeatureState(kFeatureAspectRatioCorrection, !_adjustAspectRatio); - break; - } - - // Increase/decrease the scale factor - // TODO: Shall we 'wrap around' here? - if (ev.key.keysym.sym == '=' || ev.key.keysym.sym == '+' || ev.key.keysym.sym == '-') { - factor += (ev.key.keysym.sym == '-' ? -1 : +1); - if (0 <= factor && factor < 4 && s_gfxModeSwitchTable[_scalerType][factor] >= 0) { - setGraphicsMode(s_gfxModeSwitchTable[_scalerType][factor]); - } - break; - } - - if ('1' <= ev.key.keysym.sym && ev.key.keysym.sym <= '9') { - _scalerType = ev.key.keysym.sym - '1'; - if (_scalerType >= ARRAYSIZE(s_gfxModeSwitchTable)) - break; - - while (s_gfxModeSwitchTable[_scalerType][factor] < 0) { - assert(factor > 0); - factor--; - } - setGraphicsMode(s_gfxModeSwitchTable[_scalerType][factor]); - break; - } - } - -#ifdef LINUPY - // On Yopy map the End button to quit - if ((ev.key.keysym.sym==293)) { - event->event_code = EVENT_QUIT; - return true; - } - // Map menu key to f5 (scumm menu) - if (ev.key.keysym.sym==306) { - event->event_code = EVENT_KEYDOWN; - event->kbd.keycode = SDLK_F5; - event->kbd.ascii = mapKey(SDLK_F5, ev.key.keysym.mod, 0); - return true; - } - // Map action key to action - if (ev.key.keysym.sym==291) { - event->event_code = EVENT_KEYDOWN; - event->kbd.keycode = SDLK_TAB; - event->kbd.ascii = mapKey(SDLK_TAB, ev.key.keysym.mod, 0); - return true; - } - // Map OK key to skip cinematic - if (ev.key.keysym.sym==292) { - event->event_code = EVENT_KEYDOWN; - event->kbd.keycode = SDLK_ESCAPE; - event->kbd.ascii = mapKey(SDLK_ESCAPE, ev.key.keysym.mod, 0); - return true; - } -#endif - -#ifdef QTOPIA - // quit on fn+backspace on zaurus - if (ev.key.keysym.sym == 127) { - event->event_code = EVENT_QUIT; - return true; - } - - // map menu key (f11) to f5 (scumm menu) - if (ev.key.keysym.sym == SDLK_F11) { - event->event_code = EVENT_KEYDOWN; - event->kbd.keycode = SDLK_F5; - event->kbd.ascii = mapKey(SDLK_F5, ev.key.keysym.mod, 0); - } - // map center (space) to tab (default action ) - // I wanted to map the calendar button but the calendar comes up - // - else if (ev.key.keysym.sym == SDLK_SPACE) { - event->event_code = EVENT_KEYDOWN; - event->kbd.keycode = SDLK_TAB; - event->kbd.ascii = mapKey(SDLK_TAB, ev.key.keysym.mod, 0); - } - // since we stole space (pause) above we'll rebind it to the tab key on the keyboard - else if (ev.key.keysym.sym == SDLK_TAB) { - event->event_code = EVENT_KEYDOWN; - event->kbd.keycode = SDLK_SPACE; - event->kbd.ascii = mapKey(SDLK_SPACE, ev.key.keysym.mod, 0); - } else { - // let the events fall through if we didn't change them, this may not be the best way to - // set it up, but i'm not sure how sdl would like it if we let if fall through then redid it though. - // and yes i have an huge terminal size so i dont wrap soon enough. - event->event_code = EVENT_KEYDOWN; - event->kbd.keycode = ev.key.keysym.sym; - event->kbd.ascii = mapKey(ev.key.keysym.sym, ev.key.keysym.mod, ev.key.keysym.unicode); - } -#else - event->event_code = EVENT_KEYDOWN; - event->kbd.keycode = ev.key.keysym.sym; - event->kbd.ascii = mapKey(ev.key.keysym.sym, ev.key.keysym.mod, ev.key.keysym.unicode); -#endif - - switch(ev.key.keysym.sym) { - case SDLK_LEFT: - km.x_vel = -1; - km.x_down_count = 1; - break; - case SDLK_RIGHT: - km.x_vel = 1; - km.x_down_count = 1; - break; - case SDLK_UP: - km.y_vel = -1; - km.y_down_count = 1; - break; - case SDLK_DOWN: - km.y_vel = 1; - km.y_down_count = 1; - break; - default: - break; - } - - return true; - - case SDL_KEYUP: - event->event_code = EVENT_KEYUP; - event->kbd.keycode = ev.key.keysym.sym; - event->kbd.ascii = mapKey(ev.key.keysym.sym, ev.key.keysym.mod, ev.key.keysym.unicode); - - switch(ev.key.keysym.sym) { - case SDLK_LEFT: - if (km.x_vel < 0) { - km.x_vel = 0; - km.x_down_count = 0; - } - break; - case SDLK_RIGHT: - if (km.x_vel > 0) { - km.x_vel = 0; - km.x_down_count = 0; - } - break; - case SDLK_UP: - if (km.y_vel < 0) { - km.y_vel = 0; - km.y_down_count = 0; - } - break; - case SDLK_DOWN: - if (km.y_vel > 0) { - km.y_vel = 0; - km.y_down_count = 0; - } - break; - default: - break; - } - return true; - - case SDL_MOUSEMOTION: - event->event_code = EVENT_MOUSEMOVE; - fillMouseEvent(*event, ev.motion.x, ev.motion.y); - - set_mouse_pos(event->mouse.x, event->mouse.y); - return true; - - case SDL_MOUSEBUTTONDOWN: - if (ev.button.button == SDL_BUTTON_LEFT) - event->event_code = EVENT_LBUTTONDOWN; - else if (ev.button.button == SDL_BUTTON_RIGHT) - event->event_code = EVENT_RBUTTONDOWN; -#if defined(SDL_BUTTON_WHEELUP) && defined(SDL_BUTTON_WHEELDOWN) - else if (ev.button.button == SDL_BUTTON_WHEELUP) - event->event_code = EVENT_WHEELUP; - else if (ev.button.button == SDL_BUTTON_WHEELDOWN) - event->event_code = EVENT_WHEELDOWN; -#endif - else - break; - - fillMouseEvent(*event, ev.button.x, ev.button.y); - - return true; - - case SDL_MOUSEBUTTONUP: - if (ev.button.button == SDL_BUTTON_LEFT) - event->event_code = EVENT_LBUTTONUP; - else if (ev.button.button == SDL_BUTTON_RIGHT) - event->event_code = EVENT_RBUTTONUP; - else - break; - fillMouseEvent(*event, ev.button.x, ev.button.y); - - return true; - - case SDL_JOYBUTTONDOWN: - if (ev.jbutton.button == JOY_BUT_LMOUSE) { - event->event_code = EVENT_LBUTTONDOWN; - } else if (ev.jbutton.button == JOY_BUT_RMOUSE) { - event->event_code = EVENT_RBUTTONDOWN; - } else { - event->event_code = EVENT_KEYDOWN; - switch (ev.jbutton.button) { - case JOY_BUT_ESCAPE: - event->kbd.keycode = SDLK_ESCAPE; - event->kbd.ascii = mapKey(SDLK_ESCAPE, ev.key.keysym.mod, 0); - break; - case JOY_BUT_PERIOD: - event->kbd.keycode = SDLK_PERIOD; - event->kbd.ascii = mapKey(SDLK_PERIOD, ev.key.keysym.mod, 0); - break; - case JOY_BUT_SPACE: - event->kbd.keycode = SDLK_SPACE; - event->kbd.ascii = mapKey(SDLK_SPACE, ev.key.keysym.mod, 0); - break; - case JOY_BUT_F5: - event->kbd.keycode = SDLK_F5; - event->kbd.ascii = mapKey(SDLK_F5, ev.key.keysym.mod, 0); - break; - } - } - return true; - - case SDL_JOYBUTTONUP: - if (ev.jbutton.button == JOY_BUT_LMOUSE) { - event->event_code = EVENT_LBUTTONUP; - } else if (ev.jbutton.button == JOY_BUT_RMOUSE) { - event->event_code = EVENT_RBUTTONUP; - } else { - event->event_code = EVENT_KEYUP; - switch (ev.jbutton.button) { - case JOY_BUT_ESCAPE: - event->kbd.keycode = SDLK_ESCAPE; - event->kbd.ascii = mapKey(SDLK_ESCAPE, ev.key.keysym.mod, 0); - break; - case JOY_BUT_PERIOD: - event->kbd.keycode = SDLK_PERIOD; - event->kbd.ascii = mapKey(SDLK_PERIOD, ev.key.keysym.mod, 0); - break; - case JOY_BUT_SPACE: - event->kbd.keycode = SDLK_SPACE; - event->kbd.ascii = mapKey(SDLK_SPACE, ev.key.keysym.mod, 0); - break; - case JOY_BUT_F5: - event->kbd.keycode = SDLK_F5; - event->kbd.ascii = mapKey(SDLK_F5, ev.key.keysym.mod, 0); - break; - } - } - return true; - - case SDL_JOYAXISMOTION: - axis = ev.jaxis.value; - if ( axis > JOY_DEADZONE) { - axis -= JOY_DEADZONE; - event->event_code = EVENT_MOUSEMOVE; - } else if ( axis < -JOY_DEADZONE ) { - axis += JOY_DEADZONE; - event->event_code = EVENT_MOUSEMOVE; - } else - axis = 0; - - if ( ev.jaxis.axis == JOY_XAXIS) { -#ifdef JOY_ANALOG - km.x_vel = axis/2000; - km.x_down_count = 0; -#else - if (axis != 0) { - km.x_vel = (axis > 0) ? 1:-1; - km.x_down_count = 1; - } else { - km.x_vel = 0; - km.x_down_count = 0; - } -#endif - - } else if (ev.jaxis.axis == JOY_YAXIS) { -#ifndef JOY_INVERT_Y - axis = -axis; -#endif -#ifdef JOY_ANALOG - km.y_vel = -axis / 2000; - km.y_down_count = 0; -#else - if (axis != 0) { - km.y_vel = (-axis > 0) ? 1: -1; - km.y_down_count = 1; - } else { - km.y_vel = 0; - km.y_down_count = 0; - } -#endif - } - event->mouse.x = km.x; - event->mouse.y = km.y; - event->mouse.x /= _scaleFactor; - event->mouse.y /= _scaleFactor; - - if (_adjustAspectRatio) - event->mouse.y = aspect2Real(event->mouse.y); - - return true; - - case SDL_VIDEOEXPOSE: - _forceFull = true; - break; - - case SDL_QUIT: - event->event_code = EVENT_QUIT; - return true; - } - } - return false; -} - -bool OSystem_SDL_Common::setSoundCallback(SoundProc proc, void *param) { - SDL_AudioSpec desired; - - memset(&desired, 0, sizeof(desired)); - - desired.freq = SAMPLES_PER_SEC; - desired.format = AUDIO_S16SYS; - desired.channels = 2; - desired.samples = 2048; - desired.callback = proc; - desired.userdata = param; - if (SDL_OpenAudio(&desired, NULL) != 0) { - return false; - } - SDL_PauseAudio(0); - return true; -} - -void OSystem_SDL_Common::clearSoundCallback() { - SDL_CloseAudio(); -} - -int OSystem_SDL_Common::getOutputSampleRate() const { - return SAMPLES_PER_SEC; -} - -const OSystem::GraphicsMode *OSystem_SDL_Common::getSupportedGraphicsModes() const { - return s_supportedGraphicsModes; -} - -void OSystem_SDL_Common::updateScreen() { - Common::StackLock lock(_graphicsMutex, this); // Lock the mutex until this function ends - - internUpdateScreen(); -} - -bool OSystem_SDL_Common::setGraphicsMode(int mode) { - Common::StackLock lock(_graphicsMutex, this); - - int newScaleFactor = 1; - ScalerProc *newScalerProc; - - switch(mode) { - case GFX_NORMAL: - newScaleFactor = 1; - newScalerProc = Normal1x; - break; - case GFX_DOUBLESIZE: - newScaleFactor = 2; - newScalerProc = Normal2x; - break; - case GFX_TRIPLESIZE: - newScaleFactor = 3; - newScalerProc = Normal3x; - break; - - case GFX_2XSAI: - newScaleFactor = 2; - newScalerProc = _2xSaI; - break; - case GFX_SUPER2XSAI: - newScaleFactor = 2; - newScalerProc = Super2xSaI; - break; - case GFX_SUPEREAGLE: - newScaleFactor = 2; - newScalerProc = SuperEagle; - break; - case GFX_ADVMAME2X: - newScaleFactor = 2; - newScalerProc = AdvMame2x; - break; - case GFX_ADVMAME3X: - newScaleFactor = 3; - newScalerProc = AdvMame3x; - break; - case GFX_HQ2X: - newScaleFactor = 2; - newScalerProc = HQ2x; - break; - case GFX_HQ3X: - newScaleFactor = 3; - newScalerProc = HQ3x; - break; - case GFX_TV2X: - newScaleFactor = 2; - newScalerProc = TV2x; - break; - case GFX_DOTMATRIX: - newScaleFactor = 2; - newScalerProc = DotMatrix; - break; - - default: - warning("unknown gfx mode %d", mode); - return false; - } - - _mode = mode; - - if (newScaleFactor != _scaleFactor) { - hotswap_gfx_mode(); - } else { - _scaler_proc = newScalerProc; - _forceFull = true; - - // Blit everything to the screen - internUpdateScreen(); - - // Make sure that an EVENT_SCREEN_CHANGED gets sent later - _modeChanged = true; - } - - return true; -} - -int OSystem_SDL_Common::getGraphicsMode() const { - return _mode; -} - - -void OSystem_SDL_Common::setWindowCaption(const char *caption) { - SDL_WM_SetCaption(caption, caption); -} - -bool OSystem_SDL_Common::hasFeature(Feature f) { - return - (f == kFeatureFullscreenMode) || - (f == kFeatureAspectRatioCorrection) || - (f == kFeatureAutoComputeDirtyRects); -} - -void OSystem_SDL_Common::setFeatureState(Feature f, bool enable) { - Common::StackLock lock(_graphicsMutex, this); - - switch (f) { - case kFeatureFullscreenMode: - setFullscreenMode(enable); - break; - case kFeatureAspectRatioCorrection: - if (_screenHeight == 200 && _adjustAspectRatio != enable) { - //assert(_hwscreen != 0); - _adjustAspectRatio ^= true; - hotswap_gfx_mode(); - } - break; - case kFeatureAutoComputeDirtyRects: - if (enable) - _mode_flags |= DF_WANT_RECT_OPTIM; - else - _mode_flags &= ~DF_WANT_RECT_OPTIM; - break; - default: - break; - } -} - -bool OSystem_SDL_Common::getFeatureState(Feature f) { - switch (f) { - case kFeatureFullscreenMode: - return _full_screen; - case kFeatureAspectRatioCorrection: - return _adjustAspectRatio; - case kFeatureAutoComputeDirtyRects: - return _mode_flags & DF_WANT_RECT_OPTIM; - default: - return false; - } -} - -void OSystem_SDL_Common::toggleMouseGrab() { - if (SDL_WM_GrabInput(SDL_GRAB_QUERY) == SDL_GRAB_OFF) - SDL_WM_GrabInput(SDL_GRAB_ON); - else - SDL_WM_GrabInput(SDL_GRAB_OFF); -} - -void OSystem_SDL_Common::quit() { - if(_cdrom) { - SDL_CDStop(_cdrom); - SDL_CDClose(_cdrom); - } - unload_gfx_mode(); - - SDL_ShowCursor(SDL_ENABLE); - SDL_Quit(); - - exit(0); -} - -void OSystem_SDL_Common::draw_mouse() { - if (_mouseDrawn || !_mouseVisible) - return; - - int x = _mouseCurState.x - _mouseHotspotX; - int y = _mouseCurState.y - _mouseHotspotY; - int w = _mouseCurState.w; - int h = _mouseCurState.h; - byte color; - const byte *src = _mouseData; // Image representing the mouse - - // clip the mouse rect, and addjust the src pointer accordingly - if (x < 0) { - w += x; - src -= x; - x = 0; - } - if (y < 0) { - h += y; - src -= y * _mouseCurState.w; - y = 0; - } - - if (w > _screenWidth - x) - w = _screenWidth - x; - if (h > _screenHeight - y) - h = _screenHeight - y; - - // Quick check to see if anything has to be drawn at all - if (w <= 0 || h <= 0) - return; - - // Store the bounding box so that undraw mouse can restore the area the - // mouse currently covers to its original content. - _mouseOldState.x = x; - _mouseOldState.y = y; - _mouseOldState.w = w; - _mouseOldState.h = h; - - // Draw the mouse cursor; backup the covered area in "bak" - if (SDL_LockSurface(_overlayVisible ? _tmpscreen : _screen) == -1) - error("SDL_LockSurface failed: %s", SDL_GetError()); - - // Mark as dirty - add_dirty_rect(x, y, w, h); - - if (!_overlayVisible) { - byte *bak = _mouseBackup; // Surface used to backup the area obscured by the mouse - byte *dst; // Surface we are drawing into - - dst = (byte *)_screen->pixels + y * _screenWidth + x; - while (h > 0) { - int width = w; - while (width > 0) { - *bak++ = *dst; - color = *src++; - if (color != 0xFF) // 0xFF = transparent, don't draw - *dst = color; - dst++; - width--; - } - src += _mouseCurState.w - w; - bak += MAX_MOUSE_W - w; - dst += _screenWidth - w; - h--; - } - - } else { - uint16 *bak = (uint16 *)_mouseBackup; // Surface used to backup the area obscured by the mouse - uint16 *dst; // Surface we are drawing into - - dst = (uint16 *)_tmpscreen->pixels + (y + 1) * _tmpScreenWidth + (x + 1); - while (h > 0) { - int width = w; - while (width > 0) { - *bak++ = *dst; - color = *src++; - if (color != 0xFF) // 0xFF = transparent, don't draw - *dst = RGBToColor(_currentPalette[color].r, _currentPalette[color].g, _currentPalette[color].b); - dst++; - width--; - } - src += _mouseCurState.w - w; - bak += MAX_MOUSE_W - w; - dst += _tmpScreenWidth - w; - h--; - } - } - - SDL_UnlockSurface(_overlayVisible ? _tmpscreen : _screen); - - // Finally, set the flag to indicate the mouse has been drawn - _mouseDrawn = true; -} - -void OSystem_SDL_Common::undraw_mouse() { - if (!_mouseDrawn) - return; - _mouseDrawn = false; - - if (SDL_LockSurface(_overlayVisible ? _tmpscreen : _screen) == -1) - error("SDL_LockSurface failed: %s", SDL_GetError()); - - const int old_mouse_x = _mouseOldState.x; - const int old_mouse_y = _mouseOldState.y; - const int old_mouse_w = _mouseOldState.w; - const int old_mouse_h = _mouseOldState.h; - int x, y; - - if (!_overlayVisible) { - byte *dst, *bak = _mouseBackup; - - // No need to do clipping here, since draw_mouse() did that already - dst = (byte *)_screen->pixels + old_mouse_y * _screenWidth + old_mouse_x; - for (y = 0; y < old_mouse_h; ++y, bak += MAX_MOUSE_W, dst += _screenWidth) { - for (x = 0; x < old_mouse_w; ++x) { - dst[x] = bak[x]; - } - } - - } else { - - uint16 *dst, *bak = (uint16 *)_mouseBackup; - - // No need to do clipping here, since draw_mouse() did that already - dst = (uint16 *)_tmpscreen->pixels + (old_mouse_y + 1) * _tmpScreenWidth + (old_mouse_x + 1); - for (y = 0; y < old_mouse_h; ++y, bak += MAX_MOUSE_W, dst += _tmpScreenWidth) { - for (x = 0; x < old_mouse_w; ++x) { - dst[x] = bak[x]; - } - } - } - - add_dirty_rect(old_mouse_x, old_mouse_y, old_mouse_w, old_mouse_h); - - SDL_UnlockSurface(_overlayVisible ? _tmpscreen : _screen); -} - -bool OSystem_SDL_Common::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 { - cd_num_loops = 0; - cd_stop_time = 0; - cd_end_time = 0; - } - } - - return (_cdrom != NULL); -} - -void OSystem_SDL_Common::stop_cdrom() { /* Stop CD Audio in 1/10th of a second */ - cd_stop_time = SDL_GetTicks() + 100; - cd_num_loops = 0; -} - -void OSystem_SDL_Common::play_cdrom(int track, int num_loops, int start_frame, int duration) { - if (!num_loops && !start_frame) - return; - - if (!_cdrom) - return; - - if (duration > 0) - duration += 5; - - cd_track = track; - cd_num_loops = num_loops; - cd_start_frame = 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); - cd_duration = duration; - cd_stop_time = 0; - cd_end_time = SDL_GetTicks() + _cdrom->track[track].length * 1000 / CD_FPS; -} - -bool OSystem_SDL_Common::poll_cdrom() { - if (!_cdrom) - return false; - - return (cd_num_loops != 0 && (SDL_GetTicks() < cd_end_time || SDL_CDStatus(_cdrom) != CD_STOPPED)); -} - -void OSystem_SDL_Common::update_cdrom() { - if (!_cdrom) - return; - - if (cd_stop_time != 0 && SDL_GetTicks() >= cd_stop_time) { - SDL_CDStop(_cdrom); - cd_num_loops = 0; - cd_stop_time = 0; - return; - } - - if (cd_num_loops == 0 || SDL_GetTicks() < cd_end_time) - return; - - if (cd_num_loops != 1 && SDL_CDStatus(_cdrom) != CD_STOPPED) { - // Wait another second for it to be done - cd_end_time += 1000; - return; - } - - if (cd_num_loops > 0) - cd_num_loops--; - - if (cd_num_loops != 0) { - if (cd_start_frame == 0 && cd_duration == 0) - SDL_CDPlayTracks(_cdrom, cd_track, 0, 1, 0); - else - SDL_CDPlayTracks(_cdrom, cd_track, cd_start_frame, 0, cd_duration); - cd_end_time = SDL_GetTicks() + _cdrom->track[cd_track].length * 1000 / CD_FPS; - } -} - -void OSystem_SDL_Common::setup_icon() { - 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_Common::createMutex(void) { - return (MutexRef) SDL_CreateMutex(); -} - -void OSystem_SDL_Common::lockMutex(MutexRef mutex) { - SDL_mutexP((SDL_mutex *) mutex); -} - -void OSystem_SDL_Common::unlockMutex(MutexRef mutex) { - SDL_mutexV((SDL_mutex *) mutex); -} - -void OSystem_SDL_Common::deleteMutex(MutexRef mutex) { - SDL_DestroyMutex((SDL_mutex *) mutex); -} - -void OSystem_SDL_Common::show_overlay() { - // hide the mouse - undraw_mouse(); - - _overlayVisible = true; - clear_overlay(); -} - -void OSystem_SDL_Common::hide_overlay() { - // hide the mouse - undraw_mouse(); - - _overlayVisible = false; - _forceFull = true; -} - -void OSystem_SDL_Common::clear_overlay() { - if (!_overlayVisible) - return; - - Common::StackLock lock(_graphicsMutex, this); // Lock the mutex until this function ends - - // hide the mouse - undraw_mouse(); - - // Clear the overlay by making the game screen "look through" everywhere. - SDL_Rect src, dst; - src.x = src.y = 0; - dst.x = dst.y = 1; - src.w = dst.w = _screenWidth; - src.h = dst.h = _screenHeight; - if (SDL_BlitSurface(_screen, &src, _tmpscreen, &dst) != 0) - error("SDL_BlitSurface failed: %s", SDL_GetError()); - - _forceFull = true; -} - -int16 OSystem_SDL_Common::get_height() { - return _screenHeight; -} - -int16 OSystem_SDL_Common::get_width() { - return _screenWidth; -} - -void OSystem_SDL_Common::grab_overlay(int16 *buf, int pitch) { - if (!_overlayVisible) - return; - - if (_tmpscreen == NULL) - return; - - // hide the mouse - undraw_mouse(); - - if (SDL_LockSurface(_tmpscreen) == -1) - error("SDL_LockSurface failed: %s", SDL_GetError()); - - int16 *src = (int16 *)_tmpscreen->pixels + _tmpScreenWidth + 1; - int h = _screenHeight; - do { - memcpy(buf, src, _screenWidth*2); - src += _tmpScreenWidth; - buf += pitch; - } while (--h); - - SDL_UnlockSurface(_tmpscreen); -} - -void OSystem_SDL_Common::copy_rect_overlay(const int16 *buf, int pitch, int x, int y, int w, int h) { - if (!_overlayVisible) - return; - - if (_tmpscreen == NULL) - return; - - // Clip the coordinates - if (x < 0) { - w += x; - buf -= x; - x = 0; - } - - if (y < 0) { - h += y; buf -= y * pitch; - y = 0; - } - - if (w > _screenWidth - x) { - w = _screenWidth - x; - } - - if (h > _screenHeight-y) { - h = _screenHeight - y; - } - - if (w <= 0 || h <= 0) - return; - - // Mark the modified region as dirty - cksum_valid = false; - add_dirty_rect(x, y, w, h); - - /* FIXME: undraw mouse only if the draw rect intersects with the mouse rect */ - undraw_mouse(); - - if (SDL_LockSurface(_tmpscreen) == -1) - error("SDL_LockSurface failed: %s", SDL_GetError()); - - int16 *dst = (int16 *)_tmpscreen->pixels + (y + 1) * _tmpScreenWidth + (x + 1); - do { - memcpy(dst, buf, w * 2); - dst += _tmpScreenWidth; - buf += pitch; - } while (--h); - - SDL_UnlockSurface(_tmpscreen); -} - -void OSystem_SDL_Common::setPalette(const byte *colors, uint start, uint num) { - const byte *b = colors; - uint i; - SDL_Color *base = _currentPalette + start; - for (i = 0; i < num; i++) { - base[i].r = b[0]; - base[i].g = b[1]; - base[i].b = b[2]; - b += 4; - } - - if (start < _paletteDirtyStart) - _paletteDirtyStart = start; - - if (start + num > _paletteDirtyEnd) - _paletteDirtyEnd = start + num; -} - -int16 OSystem_SDL_Common::RGBToColor(uint8 r, uint8 g, uint8 b) { - return SDL_MapRGB(_tmpscreen->format, r, g, b); -} - -void OSystem_SDL_Common::colorToRGB(int16 color, uint8 &r, uint8 &g, uint8 &b) { - SDL_GetRGB(color, _tmpscreen->format, &r, &g, &b); -} |