/* * sdl.c * sdl interfaces -- based on svga.c * * (C) 2001 Damian Gryski * Joystick code contributed by David Lau * * Licensed under the GPLv2, or later. */ #include #include #include /* Von Stefan */ #include #include #include #include #include #define BUFSIZE 5760 #define SERVICE_PORT 2323 #define FRAME_SKIP -1 /* Ende von Stefan */ #include "fb.h" #include "input.h" #include "rc.h" /* By Stefan */ static struct sockaddr_in myaddr, remaddr; static int fd, slen=sizeof(remaddr); static char frame[BUFSIZE]; /* message buffer */ static char *server = "195.160.169.37"; /* change this to use a different server */ static int frameCount = 0; /* End Stefan */ struct fb fb; static int use_yuv = -1; static int fullscreen = 0; static int use_altenter = 1; static int use_joy = 1, sdl_joy_num; static SDL_Joystick * sdl_joy = NULL; static const int joy_commit_range = 3276; static char Xstatus, Ystatus; static SDL_Surface *screen; static SDL_Overlay *overlay; static SDL_Rect overlay_rect; static int vmode[3] = { 0, 0, 16 }; rcvar_t vid_exports[] = { RCV_VECTOR("vmode", &vmode, 3), RCV_BOOL("yuv", &use_yuv), RCV_BOOL("fullscreen", &fullscreen), RCV_BOOL("altenter", &use_altenter), RCV_END }; rcvar_t joy_exports[] = { RCV_BOOL("joy", &use_joy), RCV_END }; /* keymap - mappings of the form { scancode, localcode } - from sdl/keymap.c */ extern int keymap[][2]; static int mapscancode(SDLKey sym) { /* this could be faster: */ /* build keymap as int keymap[256], then ``return keymap[sym]'' */ int i; for (i = 0; keymap[i][0]; i++) if (keymap[i][0] == sym) return keymap[i][1]; if (sym >= '0' && sym <= '9') return sym; if (sym >= 'a' && sym <= 'z') return sym; return 0; } static void joy_init() { int i; int joy_count; /* Initilize the Joystick, and disable all later joystick code if an error occured */ if (!use_joy) return; if (SDL_InitSubSystem(SDL_INIT_JOYSTICK)) return; joy_count = SDL_NumJoysticks(); if (!joy_count) return; /* now try and open one. If, for some reason it fails, move on to the next one */ for (i = 0; i < joy_count; i++) { sdl_joy = SDL_JoystickOpen(i); if (sdl_joy) { sdl_joy_num = i; break; } } /* make sure that Joystick event polling is a go */ SDL_JoystickEventState(SDL_ENABLE); } static void overlay_init() { if (!use_yuv) return; if (use_yuv < 0) if (vmode[0] < 320 || vmode[1] < 288) return; overlay = SDL_CreateYUVOverlay(320, 144, SDL_YUY2_OVERLAY, screen); if (!overlay) return; if (!overlay->hw_overlay || overlay->planes > 1) { SDL_FreeYUVOverlay(overlay); overlay = 0; return; } SDL_LockYUVOverlay(overlay); fb.w = 160; fb.h = 144; fb.pelsize = 4; fb.pitch = overlay->pitches[0]; fb.ptr = overlay->pixels[0]; fb.yuv = 1; fb.cc[0].r = fb.cc[1].r = fb.cc[2].r = fb.cc[3].r = 0; fb.dirty = 1; fb.enabled = 1; overlay_rect.x = 0; overlay_rect.y = 0; overlay_rect.w = vmode[0]; overlay_rect.h = vmode[1]; /* Color channels are 0=Y, 1=U, 2=V, 3=Y1 */ switch (overlay->format) { /* FIXME - support more formats */ case SDL_YUY2_OVERLAY: default: fb.cc[0].l = 0; fb.cc[1].l = 24; fb.cc[2].l = 8; fb.cc[3].l = 16; break; } SDL_UnlockYUVOverlay(overlay); } void vid_init() { int flags; if (!vmode[0] || !vmode[1]) { int scale = rc_getint("scale"); if (scale < 1) scale = 1; vmode[0] = 160 * scale; vmode[1] = 144 * scale; } flags = SDL_ANYFORMAT | SDL_HWPALETTE | SDL_HWSURFACE; if (fullscreen) flags |= SDL_FULLSCREEN; if (SDL_Init(SDL_INIT_VIDEO)) die("SDL: Couldn't initialize SDL: %s\n", SDL_GetError()); if (!(screen = SDL_SetVideoMode(vmode[0], vmode[1], vmode[2], flags))) die("SDL: can't set video mode: %s\n", SDL_GetError()); SDL_ShowCursor(0); joy_init(); overlay_init(); if (fb.yuv) return; SDL_LockSurface(screen); fb.w = screen->w; fb.h = screen->h; fb.pelsize = screen->format->BytesPerPixel; fb.pitch = screen->pitch; fb.indexed = fb.pelsize == 1; fb.ptr = screen->pixels; fb.cc[0].r = screen->format->Rloss; fb.cc[0].l = screen->format->Rshift; fb.cc[1].r = screen->format->Gloss; fb.cc[1].l = screen->format->Gshift; fb.cc[2].r = screen->format->Bloss; fb.cc[2].l = screen->format->Bshift; SDL_UnlockSurface(screen); fb.enabled = 1; fb.dirty = 0; /* Start Init Stefan */ /* create a socket */ printf("Start Init\n"); if ((fd=socket(AF_INET, SOCK_DGRAM, 0))==-1) printf("socket created\n"); /* bind it to all local addresses and pick any port number */ memset((char *)&myaddr, 0, sizeof(myaddr)); myaddr.sin_family = AF_INET; myaddr.sin_addr.s_addr = htonl(INADDR_ANY); myaddr.sin_port = htons(0); if (bind(fd, (struct sockaddr *)&myaddr, sizeof(myaddr)) < 0) { die("bind failed"); } /* now define remaddr, the address to whom we want to send messages */ /* For convenience, the host address is expressed as a numeric IP address */ /* that we will convert to a binary format via inet_aton */ memset((char *) &remaddr, 0, sizeof(remaddr)); remaddr.sin_family = AF_INET; remaddr.sin_port = htons(SERVICE_PORT); if (inet_aton(server, &remaddr.sin_addr)==0) { fprintf(stderr, "inet_aton() failed\n"); die("1"); } printf("End Init\n"); /* Ende Stefan */ } void ev_poll() { event_t ev; SDL_Event event; int axisval; while (SDL_PollEvent(&event)) { switch(event.type) { case SDL_ACTIVEEVENT: if (event.active.state == SDL_APPACTIVE) fb.enabled = event.active.gain; break; case SDL_KEYDOWN: if ((event.key.keysym.sym == SDLK_RETURN) && (event.key.keysym.mod & KMOD_ALT)) SDL_WM_ToggleFullScreen(screen); ev.type = EV_PRESS; ev.code = mapscancode(event.key.keysym.sym); ev_postevent(&ev); break; case SDL_KEYUP: ev.type = EV_RELEASE; ev.code = mapscancode(event.key.keysym.sym); ev_postevent(&ev); break; case SDL_JOYAXISMOTION: switch (event.jaxis.axis) { case 0: /* X axis */ axisval = event.jaxis.value; if (axisval > joy_commit_range) { if (Xstatus==2) break; if (Xstatus==0) { ev.type = EV_RELEASE; ev.code = K_JOYLEFT; ev_postevent(&ev); } ev.type = EV_PRESS; ev.code = K_JOYRIGHT; ev_postevent(&ev); Xstatus=2; break; } if (axisval < -(joy_commit_range)) { if (Xstatus==0) break; if (Xstatus==2) { ev.type = EV_RELEASE; ev.code = K_JOYRIGHT; ev_postevent(&ev); } ev.type = EV_PRESS; ev.code = K_JOYLEFT; ev_postevent(&ev); Xstatus=0; break; } /* if control reaches here, the axis is centered, * so just send a release signal if necisary */ if (Xstatus==2) { ev.type = EV_RELEASE; ev.code = K_JOYRIGHT; ev_postevent(&ev); } if (Xstatus==0) { ev.type = EV_RELEASE; ev.code = K_JOYLEFT; ev_postevent(&ev); } Xstatus=1; break; case 1: /* Y axis*/ axisval = event.jaxis.value; if (axisval > joy_commit_range) { if (Ystatus==2) break; if (Ystatus==0) { ev.type = EV_RELEASE; ev.code = K_JOYUP; ev_postevent(&ev); } ev.type = EV_PRESS; ev.code = K_JOYDOWN; ev_postevent(&ev); Ystatus=2; break; } if (axisval < -joy_commit_range) { if (Ystatus==0) break; if (Ystatus==2) { ev.type = EV_RELEASE; ev.code = K_JOYDOWN; ev_postevent(&ev); } ev.type = EV_PRESS; ev.code = K_JOYUP; ev_postevent(&ev); Ystatus=0; break; } /* if control reaches here, the axis is centered, * so just send a release signal if necisary */ if (Ystatus==2) { ev.type = EV_RELEASE; ev.code = K_JOYDOWN; ev_postevent(&ev); } if (Ystatus==0) { ev.type = EV_RELEASE; ev.code = K_JOYUP; ev_postevent(&ev); } Ystatus=1; break; } break; case SDL_JOYBUTTONUP: if (event.jbutton.button>15) break; ev.type = EV_RELEASE; ev.code = K_JOY0 + event.jbutton.button; ev_postevent(&ev); break; case SDL_JOYBUTTONDOWN: if (event.jbutton.button>15) break; ev.type = EV_PRESS; ev.code = K_JOY0+event.jbutton.button; ev_postevent(&ev); break; case SDL_QUIT: exit(1); break; default: break; } } } void vid_setpal(int i, int r, int g, int b) { SDL_Color col; col.r = r; col.g = g; col.b = b; SDL_SetColors(screen, &col, i, 1); } void vid_preinit() { } void vid_close() { if (overlay) { SDL_UnlockYUVOverlay(overlay); SDL_FreeYUVOverlay(overlay); } else SDL_UnlockSurface(screen); SDL_Quit(); fb.enabled = 0; } void vid_settitle(char *title) { SDL_WM_SetCaption(title, title); } void vid_begin() { int x; char y; if (overlay) { SDL_LockYUVOverlay(overlay); fb.ptr = overlay->pixels[0]; return; } SDL_LockSurface(screen); fb.ptr = screen->pixels; frameCount++; if (frameCount % FRAME_SKIP) { return; } /* Stefan Start - Sending Frame via UDP to DFI*/ /* Geht so halb... for(x=0; x<144*40; x++){ if(fb.ptr[x*16]==29) frame[x]=0; if(fb.ptr[x*16]==99) frame[x]=1; if(fb.ptr[x*16]==107) frame[x]=2; if(fb.ptr[x*16]==156) frame[x]=3; if(fb.ptr[(x*16)+4]==29) frame[x]+=0; if(fb.ptr[(x*16)+4]==99) frame[x]+=4; if(fb.ptr[(x*16)+4]==107) frame[x]+=8; if(fb.ptr[(x*16)+4]==156) frame[x]+=12; if(fb.ptr[(x*16)+8]==29) frame[x]+=0; if(fb.ptr[(x*16)+8]==99) frame[x]+=16; if(fb.ptr[(x*16)+8]==107) frame[x]+=32; if(fb.ptr[(x*16)+8]==156) frame[x]+=48; if(fb.ptr[(x*16)+12]==29) frame[x]+=0; if(fb.ptr[(x*16)+12]==99) frame[x]+=64; if(fb.ptr[(x*16)+12]==107) frame[x]+=128; if(fb.ptr[(x*16)+12]==156) frame[x]+=192; } */ int displaySize = 144*160; for(x=0; x