diff options
author | Max Horn | 2002-05-04 00:11:57 +0000 |
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committer | Max Horn | 2002-05-04 00:11:57 +0000 |
commit | 711d994b9c4902d97dfe6ec4e7095f0a516011a4 (patch) | |
tree | 65dc48d9bd2fc8e3bcee3dc4ddfbccec6e717aa3 /sdl.cpp | |
parent | 4e76591ba61ef544f137e080e552a49a2d5b54fb (diff) | |
download | scummvm-rg350-711d994b9c4902d97dfe6ec4e7095f0a516011a4.tar.gz scummvm-rg350-711d994b9c4902d97dfe6ec4e7095f0a516011a4.tar.bz2 scummvm-rg350-711d994b9c4902d97dfe6ec4e7095f0a516011a4.zip |
rewrote large parts of the SDL gfx code, fixing the 'shaking' mode and also simplifying the code (well, I hope <g>)
svn-id: r4192
Diffstat (limited to 'sdl.cpp')
-rw-r--r-- | sdl.cpp | 467 |
1 files changed, 162 insertions, 305 deletions
@@ -105,13 +105,14 @@ private: SDL_Surface *sdl_screen; SDL_Surface *sdl_hwscreen; SDL_Surface *sdl_tmpscreen; + SDL_Surface *sdl_palscreen; SDL_CD *cdrom; enum { DF_FORCE_FULL_ON_PALETTE = 1, DF_WANT_RECT_OPTIM = 2, DF_2xSAI = 4, - DF_SEPARATE_HWSCREEN = 8, + DF_SEPARATE_TEMPSCREEN = 8, DF_UPDATE_EXPAND_1_PIXEL = 16, }; @@ -121,8 +122,6 @@ private: bool _mouse_drawn; uint32 _mode_flags; - byte _internal_scaling; - bool force_full; //Force full redraw on next update_screen bool cksum_valid; @@ -160,11 +159,14 @@ private: int16 _ms_hotspot_x; int16 _ms_hotspot_y; int _current_shake_pos; + int _new_shake_pos; TwoXSaiProc *_sai_func; SDL_Color *_cur_pal; uint _palette_changed_first, _palette_changed_last; + OSystem_SDL() : _current_shake_pos(0), _new_shake_pos(0) {} + void add_dirty_rgn_auto(const byte *buf); void mk_checksums(const byte *buf); @@ -195,6 +197,12 @@ void SuperEagle(uint8 *srcPtr, uint32 srcPitch, uint8 *deltaPtr, uint8 *dstPtr, uint32 dstPitch, int width, int height); void AdvMame2x(uint8 *srcPtr, uint32 srcPitch, uint8 *null, uint8 *dstPtr, uint32 dstPitch, int width, int height); +void Normal1x(uint8 *srcPtr, uint32 srcPitch, uint8 *null, + uint8 *dstPtr, uint32 dstPitch, int width, int height); +void Normal2x(uint8 *srcPtr, uint32 srcPitch, uint8 *null, + uint8 *dstPtr, uint32 dstPitch, int width, int height); +void Normal3x(uint8 *srcPtr, uint32 srcPitch, uint8 *null, + uint8 *dstPtr, uint32 dstPitch, int width, int height); void atexit_proc() { SDL_ShowCursor(SDL_ENABLE); @@ -255,34 +263,31 @@ void OSystem_SDL::set_palette(const byte *colors, uint start, uint num) { void OSystem_SDL::load_gfx_mode() { force_full = true; scaling = 1; - _internal_scaling = 1; _mode_flags = 0; _sai_func = NULL; + sdl_tmpscreen = NULL; + switch(_mode) { case GFX_2XSAI: + scaling = 2; _sai_func = _2xSaI; break; case GFX_SUPER2XSAI: + scaling = 2; _sai_func = Super2xSaI; break; case GFX_SUPEREAGLE: + scaling = 2; _sai_func = SuperEagle; break; case GFX_ADVMAME2X: + scaling = 2; _sai_func = AdvMame2x; break; case GFX_DOUBLESIZE: scaling = 2; - _internal_scaling = 2; - _mode_flags = DF_WANT_RECT_OPTIM; - - sdl_hwscreen = sdl_screen = SDL_SetVideoMode(640, 400, 8, - _full_screen ? (SDL_FULLSCREEN|SDL_SWSURFACE) : SDL_SWSURFACE - ); - if (sdl_screen == NULL) - error("sdl_screen failed"); break; case GFX_TRIPLESIZE: @@ -291,38 +296,23 @@ void OSystem_SDL::load_gfx_mode() { goto normal_mode; } scaling = 3; - _internal_scaling = 3; - _mode_flags = DF_WANT_RECT_OPTIM; - - sdl_hwscreen = sdl_screen = SDL_SetVideoMode(960, 600, 8, - _full_screen ? (SDL_FULLSCREEN|SDL_SWSURFACE) : SDL_SWSURFACE - ); - if (sdl_screen == NULL) - error("sdl_screen failed"); - - break; case GFX_NORMAL: normal_mode:; - _mode_flags = DF_WANT_RECT_OPTIM; - sdl_hwscreen = sdl_screen = SDL_SetVideoMode(320, 200, 8, - _full_screen ? (SDL_FULLSCREEN|SDL_SWSURFACE) : SDL_SWSURFACE - ); - if (sdl_screen == NULL) - error("sdl_screen failed"); + scaling = 1; break; } + sdl_screen = SDL_CreateRGBSurface(SDL_SWSURFACE, 320, 200, 8, 0, 0, 0, 0); + if (sdl_screen == NULL) + error("SDL_CreateRGBSurface(SDL_SWSURFACE, 320, 200, 8, 0, 0, 0, 0) failed"); + if (_sai_func) { uint16 *tmp_screen = (uint16*)calloc(320*204 + 16,sizeof(uint16)); - _mode_flags = DF_FORCE_FULL_ON_PALETTE | DF_WANT_RECT_OPTIM | DF_2xSAI | DF_SEPARATE_HWSCREEN | DF_UPDATE_EXPAND_1_PIXEL; + _mode_flags = DF_FORCE_FULL_ON_PALETTE | DF_WANT_RECT_OPTIM | DF_2xSAI | DF_SEPARATE_TEMPSCREEN | DF_UPDATE_EXPAND_1_PIXEL; - sdl_screen = SDL_CreateRGBSurface(SDL_SWSURFACE, 320, 200, 8, 0, 0, 0, 0); - if (sdl_screen == NULL) - error("SDL_CreateRGBSurface(SDL_SWSURFACE, 320, 200, 8, 0, 0, 0, 0) failed"); - - sdl_hwscreen = SDL_SetVideoMode(640, 400, 16, + sdl_hwscreen = SDL_SetVideoMode(320 * scaling, 200 * scaling, 16, _full_screen ? (SDL_FULLSCREEN|SDL_SWSURFACE) : SDL_SWSURFACE ); if (sdl_hwscreen == NULL) @@ -342,25 +332,46 @@ normal_mode:; if (sdl_tmpscreen == NULL) error("sdl_tmpscreen failed"); + + sdl_palscreen = sdl_screen; + } else { + switch(scaling) { + case 3: + _sai_func = Normal3x; + break; + case 2: + _sai_func = Normal2x; + break; + case 1: + _sai_func = Normal1x; + break; + } + + _mode_flags = DF_WANT_RECT_OPTIM; - scaling = 2; + sdl_hwscreen = SDL_SetVideoMode(320 * scaling, 200 * scaling, 8, + _full_screen ? (SDL_FULLSCREEN|SDL_SWSURFACE) : SDL_SWSURFACE + ); + if (sdl_hwscreen == NULL) + error("sdl_hwscreen failed"); + + sdl_tmpscreen = sdl_screen; + sdl_palscreen = sdl_hwscreen; } } void OSystem_SDL::unload_gfx_mode() { - SDL_Surface *surf; + SDL_FreeSurface(sdl_screen); + sdl_screen = NULL; - surf=sdl_screen; sdl_screen=NULL; SDL_FreeSurface(surf); - - if (_mode_flags & DF_SEPARATE_HWSCREEN) { - surf=sdl_hwscreen; sdl_hwscreen=NULL; SDL_FreeSurface(surf); - } + SDL_FreeSurface(sdl_hwscreen); + sdl_hwscreen = NULL; - surf = sdl_tmpscreen; sdl_tmpscreen=NULL; - if(surf) { - free((uint16*)surf->pixels - (int)TMP_SCREEN_OFFS); - SDL_FreeSurface(surf); + if (_mode_flags & DF_SEPARATE_TEMPSCREEN) { + free((uint16*)sdl_tmpscreen->pixels - (int)TMP_SCREEN_OFFS); + SDL_FreeSurface(sdl_tmpscreen); } + sdl_tmpscreen = NULL; } void OSystem_SDL::init_size(uint w, uint h) { @@ -388,14 +399,13 @@ void OSystem_SDL::copy_rect(const byte *buf, int pitch, int x, int y, int w, int * and just updates those, on the actual display. */ add_dirty_rgn_auto(buf); } else { - y+=_current_shake_pos; /* Clip the coordinates */ if (x < 0) { w+=x; buf-=x; x = 0; } if (y < 0) { h+=y; buf-=y*pitch; y = 0; } - if (w >= SCREEN_WIDTH-x) { w = SCREEN_WIDTH - x; } - if (h >= SCREEN_HEIGHT-y) { h = SCREEN_HEIGHT - y; } + if (w > SCREEN_WIDTH-x) { w = SCREEN_WIDTH - x; } + if (h > SCREEN_HEIGHT-y) { h = SCREEN_HEIGHT - y; } - if (w<=0 || h<=0) + if (w <= 0 || h <= 0) return; cksum_valid = false; @@ -409,45 +419,12 @@ void OSystem_SDL::copy_rect(const byte *buf, int pitch, int x, int y, int w, int if (SDL_LockSurface(sdl_screen) == -1) error("SDL_LockSurface failed: %s.\n", SDL_GetError()); - byte *dst; - - switch(_internal_scaling) { - case 1: - dst = (byte *)sdl_screen->pixels + y * 320 + x; - do { - memcpy(dst, buf, w); - dst += 320; - buf += pitch; - } while (--h); - break; - - case 2: - dst = (byte *)sdl_screen->pixels + y * 640 * 2 + x * 2; - do { - int i = 0; - do { - dst[i * 2] = dst[i * 2 + 1] = buf[i]; - } while (++i != w); - memcpy(dst + 640, dst, w * 2); - dst += 640 * 2; - buf += pitch; - } while (--h); - break; - - case 3: - dst = (byte *)sdl_screen->pixels + y * 960 * 3 + x * 3; - do { - int i = 0; - do { - dst[i * 3] = dst[i * 3 + 1] = dst[i * 3 + 2] = buf[i]; - } while (++i != w); - memcpy(dst + 960, dst, w * 3); - memcpy(dst + 960 + 960, dst, w * 3); - dst += 960 * 3; - buf += pitch; - } while (--h); - break; - } + byte *dst = (byte *)sdl_screen->pixels + y * 320 + x; + do { + memcpy(dst, buf, w); + dst += 320; + buf += pitch; + } while (--h); SDL_UnlockSurface(sdl_screen); } @@ -472,18 +449,11 @@ void OSystem_SDL::add_dirty_rect(int x, int y, int w, int h) { } /* clip */ - if (x<0) { w+=x; x=0; } - if (y<0) { h+=y; y=0; } - if (w>=SCREEN_WIDTH-x) { w=SCREEN_WIDTH-x; } - if (h>=SCREEN_HEIGHT-y) { h=SCREEN_HEIGHT-y; } + if (x < 0) { w+=x; x=0; } + if (y < 0) { h+=y; y=0; } + if (w > SCREEN_WIDTH-x) { w = SCREEN_WIDTH - x; } + if (h > SCREEN_HEIGHT-y) { h = SCREEN_HEIGHT - y; } - if (_internal_scaling != 1) { - x *= _internal_scaling; - y *= _internal_scaling; - w *= _internal_scaling; - h *= _internal_scaling; - } - r->x = x; r->y = y; r->w = w; @@ -574,7 +544,7 @@ void OSystem_SDL::update_screen() { if (_palette_changed_last != 0) { - SDL_SetColors(sdl_screen, _cur_pal + _palette_changed_first, + SDL_SetColors(sdl_palscreen, _cur_pal + _palette_changed_first, _palette_changed_first, _palette_changed_last - _palette_changed_first); @@ -584,60 +554,102 @@ void OSystem_SDL::update_screen() { force_full = true; } - /* force a full redraw, accomplish that by adding one big rect to the dirty - * rect list */ - if (force_full) { - force_full = false; - num_dirty_rects = 0; - add_dirty_rect(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT); + if (_current_shake_pos != _new_shake_pos) { + /* Fill the dirty area with blackness or the scumm image */ + SDL_Rect blackrect = {0, 0, SCREEN_WIDTH*scaling, _new_shake_pos*scaling}; + SDL_FillRect(sdl_hwscreen, &blackrect, 0); + + _current_shake_pos = _new_shake_pos; + + force_full = true; } + /* force a full redraw if requested */ + if (force_full) { + num_dirty_rects = 1; + + dirty_rect_list[0].x = 0; + dirty_rect_list[0].y = 0; + dirty_rect_list[0].w = SCREEN_WIDTH; + dirty_rect_list[0].h = SCREEN_HEIGHT; + } if (num_dirty_rects == 0 || sdl_hwscreen == NULL) return; - if (_mode_flags & DF_2xSAI) { - SDL_Rect *r; - uint32 area = 0; + SDL_Rect *r; + uint32 srcPitch, dstPitch; + SDL_Rect *last_rect = dirty_rect_list + num_dirty_rects; - SDL_Rect *dr = dirty_rect_list + num_dirty_rects; - /* Convert appropriate parts of image into 16bpp */ - for(r=dirty_rect_list; r!=dr; r++) { + /* Convert appropriate parts of the image into 16bpp */ + if (_mode_flags & DF_SEPARATE_TEMPSCREEN) { + for(r=dirty_rect_list; r!=last_rect; ++r) { if (SDL_BlitSurface(sdl_screen, r, sdl_tmpscreen, r) != 0) error("SDL_BlitSurface failed: %s", SDL_GetError()); } + } - SDL_LockSurface(sdl_tmpscreen); - SDL_LockSurface(sdl_hwscreen); - - for(r=dirty_rect_list; r!=dr; r++) { - /* Apply the 2xsai algorithm */ - _sai_func((byte*)sdl_tmpscreen->pixels + r->x*2 + r->y*640, 640, NULL, - (byte*)sdl_hwscreen->pixels + r->x*4 + r->y*640*4, 640*2, r->w, r->h); + SDL_LockSurface(sdl_tmpscreen); + SDL_LockSurface(sdl_hwscreen); - /* Calculate area */ - area += r->w * r->h; - - /* scaling the rect to fit in SDL_UpdateRects */ - r->x <<= 1; - r->y <<= 1; + srcPitch = sdl_tmpscreen->pitch; + dstPitch = sdl_hwscreen->pitch; + + if (_mode_flags & DF_2xSAI) { + for(r=dirty_rect_list; r!=last_rect; ++r) { + register int dst_y = r->y + _current_shake_pos; + register int dst_h = 0; + if (dst_y < SCREEN_HEIGHT) { + dst_h = r->h; + if (dst_h > SCREEN_HEIGHT - dst_y) + dst_h = SCREEN_HEIGHT - dst_y; + + r->x <<= 1; + dst_y <<= 1; + + _sai_func((byte*)sdl_tmpscreen->pixels + r->x + r->y*srcPitch, srcPitch, NULL, + (byte*)sdl_hwscreen->pixels + r->x*scaling + dst_y*dstPitch, dstPitch, r->w, dst_h); + } + + r->y = dst_y; r->w <<= 1; - r->h <<= 1; + r->h = dst_h << 1; } + } else { + for(r=dirty_rect_list; r!=last_rect; ++r) { + register int dst_y = r->y + _current_shake_pos; + register int dst_h = 0; + if (dst_y < SCREEN_HEIGHT) { + dst_h = r->h; + if (dst_h > SCREEN_HEIGHT - dst_y) + dst_h = SCREEN_HEIGHT - dst_y; + + dst_y *= scaling; - SDL_UnlockSurface(sdl_tmpscreen); - SDL_UnlockSurface(sdl_hwscreen); + _sai_func((byte*)sdl_tmpscreen->pixels + r->x + r->y*srcPitch, srcPitch, NULL, + (byte*)sdl_hwscreen->pixels + r->x*scaling + dst_y*dstPitch, dstPitch, r->w, dst_h); + } + + r->x *= scaling; + r->y = dst_y; + r->w *= scaling; + r->h = dst_h * scaling; + } + } -#ifdef WIN32 - if (GetAsyncKeyState(VK_SHIFT)<0) - printf("Update area %d pixels. %d%%\n", area, (area+(320*2)/2) / (320*2)); -#endif + if (force_full) { + dirty_rect_list[0].y = 0; + dirty_rect_list[0].h = SCREEN_HEIGHT * scaling; } + + SDL_UnlockSurface(sdl_tmpscreen); + SDL_UnlockSurface(sdl_hwscreen); SDL_UpdateRects(sdl_hwscreen, num_dirty_rects, dirty_rect_list); num_dirty_rects = 0; + force_full = false; } bool OSystem_SDL::show_mouse(bool visible) { @@ -676,43 +688,7 @@ void OSystem_SDL::set_mouse_cursor(const byte *buf, uint w, uint h, int hotspot_ } void OSystem_SDL::set_shake_pos(int shake_pos) { - int old_shake_pos = _current_shake_pos; - int dirty_height, dirty_blackheight; - int dirty_top, dirty_blacktop; - - if (shake_pos != old_shake_pos) { - _current_shake_pos = shake_pos; - force_full = true; - - /* Old shake pos was current_shake_pos, new is shake_pos. - * Move the screen up or down to account for the change. - */ - SDL_Rect dstr = { 0, shake_pos*scaling, 320*scaling, 200*scaling }; - SDL_Rect srcr = { 0, old_shake_pos*scaling, 320*scaling, 200*scaling }; - SDL_BlitSurface(sdl_screen, &srcr, sdl_screen, &dstr); - - /* Refresh either the upper part of the screen, - * or the lower part */ - if (shake_pos > old_shake_pos) { - dirty_height = MIN(shake_pos, 0) - MIN(old_shake_pos, 0); - dirty_top = -MIN(shake_pos, 0); - dirty_blackheight = MAX(shake_pos, 0) - MAX(old_shake_pos, 0); - dirty_blacktop = MAX(old_shake_pos, 0); - } else { - dirty_height = MAX(old_shake_pos, 0) - MAX(shake_pos, 0); - dirty_top = 200 - MAX(old_shake_pos, 0); - dirty_blackheight = MIN(old_shake_pos, 0) - MIN(shake_pos, 0); - dirty_blacktop = 200 + MIN(shake_pos, 0); - } - - /* Fill the dirty area with blackness or the scumm image */ - SDL_Rect blackrect = {0, dirty_blacktop*scaling, 320*scaling, dirty_blackheight*scaling}; - SDL_FillRect(sdl_screen, &blackrect, 0); - - /* FIXME: Um, screen seems to glitch since this - 'not needed' function was removed */ - //g_scumm->redrawLines(dirty_top, dirty_top + dirty_height); - } + _new_shake_pos = shake_pos; } uint32 OSystem_SDL::get_msecs() { @@ -847,36 +823,7 @@ void OSystem_SDL::get_320x200_image(byte *buf) { if (SDL_LockSurface(sdl_screen) == -1) error("SDL_LockSurface failed: %s.\n", SDL_GetError()); - byte *src; - int x,y; - - switch(_internal_scaling) { - case 1: - memcpy(buf, sdl_screen->pixels, 320*200); - break; - - case 2: - src = (byte*)sdl_screen->pixels; - for(y=0; y!=200; y++) { - for(x=0; x!=320; x++) - buf[x] = src[x*2]; - - buf += 320; - src += 320 * 2 * 2; - } - break; - - case 3: - src = (byte*)sdl_screen->pixels; - for(y=0; y!=200; y++) { - for(x=0; x!=320; x++) - buf[x] = src[x*3]; - - buf += 320; - src += 320 * 3 * 3; - } - break; - } + memcpy(buf, sdl_screen->pixels, 320*200); SDL_UnlockSurface(sdl_screen); } @@ -897,7 +844,7 @@ void OSystem_SDL::hotswap_gfx_mode() { force_full = true; /* reset palette */ - SDL_SetColors(sdl_screen, _cur_pal, 0, 256); + SDL_SetColors(sdl_palscreen, _cur_pal, 0, 256); /* blit image */ OSystem_SDL::copy_rect(bak_mem, 320, 0, 0, 320, 200); @@ -972,7 +919,7 @@ void OSystem_SDL::draw_mouse() { if (SDL_LockSurface(sdl_screen) == -1) error("SDL_LockSurface failed: %s.\n", SDL_GetError()); - const int ydraw = _ms_cur.y + _current_shake_pos - _ms_hotspot_y; + const int ydraw = _ms_cur.y - _ms_hotspot_y; const int xdraw = _ms_cur.x - _ms_hotspot_x; const int w = _ms_cur.w; const int h = _ms_cur.h; @@ -986,71 +933,19 @@ void OSystem_SDL::draw_mouse() { _ms_old.x = xdraw; _ms_old.y = ydraw; - switch(_internal_scaling) { - case 1: - dst = (byte *)sdl_screen->pixels + ydraw * 320 + xdraw; - - for (y = 0; y < h; y++, dst += 320, bak += MAX_MOUSE_W, buf += w) { - if ((uint) (ydraw + y) < 200) { - for (x = 0; x < w; x++) { - if ((uint) (xdraw + x) < 320) { - bak[x] = dst[x]; - if ((color = buf[x]) != 0xFF) { - dst[x] = color; - } - } - } - } - } - break; + dst = (byte *)sdl_screen->pixels + ydraw * 320 + xdraw; - case 2: - dst = (byte *)sdl_screen->pixels + ydraw * 640 * 2 + xdraw * 2; - - for (y = 0; y < h; y++, dst += 640 * 2, bak += MAX_MOUSE_W * 2, buf += w) { - if ((uint) (ydraw + y) < 200) { - for (x = 0; x < w; x++) { - if ((uint) (xdraw + x) < 320) { - bak[x * 2] = dst[x * 2]; - bak[x * 2 + 1] = dst[x * 2 + 1]; - if ((color = buf[x]) != 0xFF) { - dst[x * 2] = color; - dst[x * 2 + 1] = color; - dst[x * 2 + 640] = color; - dst[x * 2 + 1 + 640] = color; - } + for (y = 0; y < h; y++, dst += 320, bak += MAX_MOUSE_W, buf += w) { + if ((uint) (ydraw + y) < 200) { + for (x = 0; x < w; x++) { + if ((uint) (xdraw + x) < 320) { + bak[x] = dst[x]; + if ((color = buf[x]) != 0xFF) { + dst[x] = color; } } } } - break; - - case 3: - dst = (byte *)sdl_screen->pixels + ydraw * 960 * 3 + xdraw * 3; - - for (y = 0; y < h; y++, dst += 960 * 3, bak += MAX_MOUSE_W * 3, buf += w) { - if ((uint) (ydraw + y) < 200) { - for (x = 0; x < w; x++) { - if ((uint) (xdraw + x) < 320) { - bak[x * 3] = dst[x * 3]; - bak[x * 3 + 1] = dst[x * 3 + 1]; - bak[x * 3 + 2] = dst[x * 3 + 2]; - if ((color = buf[x]) != 0xFF) { - dst[x * 3] = color; - dst[x * 3 + 1] = color; - dst[x * 3 + 2] = color; - dst[x * 3 + 960] = color; - dst[x * 3 + 1 + 960] = color; - dst[x * 3 + 2 + 960] = color; - dst[x * 3 + 960 + 960] = color; - dst[x * 3 + 1 + 960 + 960] = color; - dst[x * 3 + 2 + 960 + 960] = color; - } - } - } - } - } - break; } add_dirty_rect(xdraw,ydraw,w,h); @@ -1073,54 +968,16 @@ void OSystem_SDL::undraw_mouse() { const int old_mouse_h = _ms_old.h; int x,y; - switch(_internal_scaling) { - case 1: - dst = (byte *)sdl_screen->pixels + old_mouse_y * 320 + old_mouse_x; + dst = (byte *)sdl_screen->pixels + old_mouse_y * 320 + old_mouse_x; - for (y = 0; y < old_mouse_h; y++, bak += MAX_MOUSE_W, dst += 320) { - if ((uint) (old_mouse_y + y) < 200) { - for (x = 0; x < old_mouse_w; x++) { - if ((uint) (old_mouse_x + x) < 320) { - dst[x] = bak[x]; - } + for (y = 0; y < old_mouse_h; y++, bak += MAX_MOUSE_W, dst += 320) { + if ((uint) (old_mouse_y + y) < 200) { + for (x = 0; x < old_mouse_w; x++) { + if ((uint) (old_mouse_x + x) < 320) { + dst[x] = bak[x]; } } } - break; - - case 2: - dst = (byte *)sdl_screen->pixels + old_mouse_y * 640 * 2 + old_mouse_x * 2; - - for (y = 0; y < old_mouse_h; y++, bak += MAX_MOUSE_W * 2, dst += 640 * 2) { - if ((uint) (old_mouse_y + y) < 200) { - for (x = 0; x < old_mouse_w; x++) { - if ((uint) (old_mouse_x + x) < 320) { - dst[x * 2 + 640] = dst[x * 2] = bak[x * 2]; - dst[x * 2 + 640 + 1] = dst[x * 2 + 1] = bak[x * 2 + 1]; - } - } - } - } - break; - - case 3: - dst = (byte *)sdl_screen->pixels + old_mouse_y * 960 * 3 + old_mouse_x * 3; - - for (y = 0; y < old_mouse_h; y++, bak += MAX_MOUSE_W * 3, dst += 960 * 3) { - if ((uint) (old_mouse_y + y) < 200) { - for (x = 0; x < old_mouse_w; x++) { - if ((uint) (old_mouse_x + x) < 320) { - dst[x * 3 + 960] = dst[x * 3 + 960 + 960] = dst[x * 3] = - bak[x * 3]; - dst[x * 3 + 960 + 1] = dst[x * 3 + 960 + 960 + 1] = - dst[x * 3 + 1] = bak[x * 3 + 1]; - dst[x * 3 + 960 + 2] = dst[x * 3 + 960 + 960 + 2] = - dst[x * 3 + 2] = bak[x * 3 + 2]; - } - } - } - } - break; } add_dirty_rect(old_mouse_x, old_mouse_y, old_mouse_w, old_mouse_h); |