Svip

int video::vid_putpixel(int x, int y, Uint8 R, Uint8 G, Uint8 B) {	fprintf(stdout, "%x - %x\n", &screen->format, &SDL_MapRGB);	Uint32 color = SDL_MapRGB(screen->format, R, G, B);	if(DEBUG) fprintf(stderr, "vid_putpixel(%d,%d,%d,%d,%d)>", x, y, R, G, B);		if((x >= 0) && (x < screen->w) && (y >= 0) && (y < screen->h)) {		if(DEBUG) fprintf(stderr, "h ");			switch (screen->format->BytesPerPixel) {			case 1: { // Assuming 8-bpp					Uint8 *bufp;					bufp = (Uint8 *)screen->pixels + y*screen->pitch + x;					*bufp = color;				}				break;				case 2: { // Probably 15-bpp or 16-bpp					Uint16 *bufp;					bufp = (Uint16 *)screen->pixels + y*screen->pitch/2 + x;					*bufp = color;				}				break;				case 3: { // Slow 24-bpp mode, usually not used				Uint8 *bufp;				bufp = (Uint8 *)screen->pixels + y*screen->pitch + x * 3;					if(SDL_BYTEORDER == SDL_LIL_ENDIAN) {						bufp[0] = color;						bufp[1] = color >> 8;						bufp[2] = color >> 16;					} else {						bufp[2] = color;						bufp[1] = color >> 8;						bufp[0] = color >> 16;					}				}     				break;				case 4: // Probably 32-bpp				Uint32 *bufp;				bufp = (Uint32 *)screen->pixels + y*screen->pitch/4 + x;				*bufp = color;				break;			default: // Something really fucked up happened...				return -1;				break;		}	} else {		if(DEBUG) fprintf(stderr, "i ");	}	return 0;}