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00012 #ifdef WITH_SDL
00013
00014 #include "../stdafx.h"
00015 #include "../openttd.h"
00016 #include "../gfx_func.h"
00017 #include "../sdl.h"
00018 #include "../variables.h"
00019 #include "../rev.h"
00020 #include "../blitter/factory.hpp"
00021 #include "../network/network.h"
00022 #include "../functions.h"
00023 #include "../thread/thread.h"
00024 #include "../genworld.h"
00025 #include "sdl_v.h"
00026 #include <SDL.h>
00027
00028 static FVideoDriver_SDL iFVideoDriver_SDL;
00029
00030 static SDL_Surface *_sdl_screen;
00031 static bool _all_modes;
00033 static bool _last_fix_at;
00034
00036 static bool _draw_threaded;
00038 static ThreadObject *_draw_thread = NULL;
00040 static ThreadMutex *_draw_mutex = NULL;
00042 static volatile bool _draw_continue;
00043
00044 #define MAX_DIRTY_RECTS 100
00045 static SDL_Rect _dirty_rects[MAX_DIRTY_RECTS];
00046 static int _num_dirty_rects;
00047
00048 void VideoDriver_SDL::MakeDirty(int left, int top, int width, int height)
00049 {
00050 if (_num_dirty_rects < MAX_DIRTY_RECTS) {
00051 _dirty_rects[_num_dirty_rects].x = left;
00052 _dirty_rects[_num_dirty_rects].y = top;
00053 _dirty_rects[_num_dirty_rects].w = width;
00054 _dirty_rects[_num_dirty_rects].h = height;
00055 }
00056 _num_dirty_rects++;
00057 }
00058
00059 static void UpdatePalette(uint start, uint count)
00060 {
00061 SDL_Color pal[256];
00062
00063 for (uint i = 0; i != count; i++) {
00064 pal[i].r = _cur_palette[start + i].r;
00065 pal[i].g = _cur_palette[start + i].g;
00066 pal[i].b = _cur_palette[start + i].b;
00067 pal[i].unused = 0;
00068 }
00069
00070 SDL_CALL SDL_SetColors(_sdl_screen, pal, start, count);
00071 }
00072
00073 static void InitPalette()
00074 {
00075 UpdatePalette(0, 256);
00076 }
00077
00078 static void CheckPaletteAnim()
00079 {
00080 if (_pal_count_dirty != 0) {
00081 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
00082
00083 switch (blitter->UsePaletteAnimation()) {
00084 case Blitter::PALETTE_ANIMATION_VIDEO_BACKEND:
00085 UpdatePalette(_pal_first_dirty, _pal_count_dirty);
00086 break;
00087
00088 case Blitter::PALETTE_ANIMATION_BLITTER:
00089 blitter->PaletteAnimate(_pal_first_dirty, _pal_count_dirty);
00090 break;
00091
00092 case Blitter::PALETTE_ANIMATION_NONE:
00093 break;
00094
00095 default:
00096 NOT_REACHED();
00097 }
00098 _pal_count_dirty = 0;
00099 }
00100 }
00101
00102 static void DrawSurfaceToScreen()
00103 {
00104 int n = _num_dirty_rects;
00105 if (n == 0) return;
00106
00107 _num_dirty_rects = 0;
00108 if (n > MAX_DIRTY_RECTS) {
00109 SDL_CALL SDL_UpdateRect(_sdl_screen, 0, 0, 0, 0);
00110 } else {
00111 SDL_CALL SDL_UpdateRects(_sdl_screen, n, _dirty_rects);
00112 }
00113 }
00114
00115 static void DrawSurfaceToScreenThread(void *)
00116 {
00117
00118 _draw_mutex->BeginCritical();
00119 _draw_mutex->WaitForSignal();
00120
00121 while (_draw_continue) {
00122
00123 DrawSurfaceToScreen();
00124 _draw_mutex->WaitForSignal();
00125 }
00126
00127 _draw_mutex->EndCritical();
00128 _draw_thread->Exit();
00129 }
00130
00131 static const Dimension _default_resolutions[] = {
00132 { 640, 480},
00133 { 800, 600},
00134 {1024, 768},
00135 {1152, 864},
00136 {1280, 800},
00137 {1280, 960},
00138 {1280, 1024},
00139 {1400, 1050},
00140 {1600, 1200},
00141 {1680, 1050},
00142 {1920, 1200}
00143 };
00144
00145 static void GetVideoModes()
00146 {
00147 SDL_Rect **modes = SDL_CALL SDL_ListModes(NULL, SDL_SWSURFACE | SDL_FULLSCREEN);
00148 if (modes == NULL) usererror("sdl: no modes available");
00149
00150 _all_modes = (SDL_CALL SDL_ListModes(NULL, SDL_SWSURFACE | (_fullscreen ? SDL_FULLSCREEN : 0)) == (void*)-1);
00151 if (modes == (void*)-1) {
00152 int n = 0;
00153 for (uint i = 0; i < lengthof(_default_resolutions); i++) {
00154 if (SDL_CALL SDL_VideoModeOK(_default_resolutions[i].width, _default_resolutions[i].height, 8, SDL_FULLSCREEN) != 0) {
00155 _resolutions[n] = _default_resolutions[i];
00156 if (++n == lengthof(_resolutions)) break;
00157 }
00158 }
00159 _num_resolutions = n;
00160 } else {
00161 int n = 0;
00162 for (int i = 0; modes[i]; i++) {
00163 uint w = modes[i]->w;
00164 uint h = modes[i]->h;
00165 int j;
00166 for (j = 0; j < n; j++) {
00167 if (_resolutions[j].width == w && _resolutions[j].height == h) break;
00168 }
00169
00170 if (j == n) {
00171 _resolutions[j].width = w;
00172 _resolutions[j].height = h;
00173 if (++n == lengthof(_resolutions)) break;
00174 }
00175 }
00176 _num_resolutions = n;
00177 SortResolutions(_num_resolutions);
00178 }
00179 }
00180
00181 static void GetAvailableVideoMode(uint *w, uint *h)
00182 {
00183
00184 if (_all_modes || _num_resolutions == 0) return;
00185
00186
00187 for (int i = 0; i != _num_resolutions; i++) {
00188 if (*w == _resolutions[i].width && *h == _resolutions[i].height) return;
00189 }
00190
00191
00192 int best = 0;
00193 uint delta = Delta(_resolutions[0].width, *w) * Delta(_resolutions[0].height, *h);
00194 for (int i = 1; i != _num_resolutions; ++i) {
00195 uint newdelta = Delta(_resolutions[i].width, *w) * Delta(_resolutions[i].height, *h);
00196 if (newdelta < delta) {
00197 best = i;
00198 delta = newdelta;
00199 }
00200 }
00201 *w = _resolutions[best].width;
00202 *h = _resolutions[best].height;
00203 }
00204
00205 #ifndef ICON_DIR
00206 #define ICON_DIR "media"
00207 #endif
00208
00209 #ifdef WIN32
00210
00211
00212 #undef SDL_LoadBMP
00213 #define SDL_LoadBMP(file) SDL_LoadBMP_RW(SDL_CALL SDL_RWFromFile(file, "rb"), 1)
00214 #endif
00215
00216 static bool CreateMainSurface(uint w, uint h)
00217 {
00218 SDL_Surface *newscreen, *icon;
00219 char caption[50];
00220 int bpp = BlitterFactoryBase::GetCurrentBlitter()->GetScreenDepth();
00221
00222 GetAvailableVideoMode(&w, &h);
00223
00224 DEBUG(driver, 1, "SDL: using mode %ux%ux%d", w, h, bpp);
00225
00226 if (bpp == 0) usererror("Can't use a blitter that blits 0 bpp for normal visuals");
00227
00228
00229 icon = SDL_CALL SDL_LoadBMP(ICON_DIR PATHSEP "openttd.32.bmp");
00230 if (icon != NULL) {
00231
00232 uint32 rgbmap = SDL_CALL SDL_MapRGB(icon->format, 255, 0, 255);
00233
00234 SDL_CALL SDL_SetColorKey(icon, SDL_SRCCOLORKEY, rgbmap);
00235 SDL_CALL SDL_WM_SetIcon(icon, NULL);
00236 SDL_CALL SDL_FreeSurface(icon);
00237 }
00238
00239
00240 newscreen = SDL_CALL SDL_SetVideoMode(w, h, bpp, SDL_SWSURFACE | SDL_HWPALETTE | (_fullscreen ? SDL_FULLSCREEN : SDL_RESIZABLE));
00241 if (newscreen == NULL) {
00242 DEBUG(driver, 0, "SDL: Couldn't allocate a window to draw on");
00243 return false;
00244 }
00245
00246
00247 _num_dirty_rects = 0;
00248
00249 _screen.width = newscreen->w;
00250 _screen.height = newscreen->h;
00251 _screen.pitch = newscreen->pitch / (bpp / 8);
00252 _screen.dst_ptr = newscreen->pixels;
00253 _sdl_screen = newscreen;
00254 InitPalette();
00255
00256 snprintf(caption, sizeof(caption), "OpenTTD %s", _openttd_revision);
00257 SDL_CALL SDL_WM_SetCaption(caption, caption);
00258 SDL_CALL SDL_ShowCursor(0);
00259
00260 GameSizeChanged();
00261
00262 return true;
00263 }
00264
00265 struct VkMapping {
00266 uint16 vk_from;
00267 byte vk_count;
00268 byte map_to;
00269 };
00270
00271 #define AS(x, z) {x, 0, z}
00272 #define AM(x, y, z, w) {x, y - x, z}
00273
00274 static const VkMapping _vk_mapping[] = {
00275
00276 AM(SDLK_PAGEUP, SDLK_PAGEDOWN, WKC_PAGEUP, WKC_PAGEDOWN),
00277 AS(SDLK_UP, WKC_UP),
00278 AS(SDLK_DOWN, WKC_DOWN),
00279 AS(SDLK_LEFT, WKC_LEFT),
00280 AS(SDLK_RIGHT, WKC_RIGHT),
00281
00282 AS(SDLK_HOME, WKC_HOME),
00283 AS(SDLK_END, WKC_END),
00284
00285 AS(SDLK_INSERT, WKC_INSERT),
00286 AS(SDLK_DELETE, WKC_DELETE),
00287
00288
00289 AM(SDLK_a, SDLK_z, 'A', 'Z'),
00290 AM(SDLK_0, SDLK_9, '0', '9'),
00291
00292 AS(SDLK_ESCAPE, WKC_ESC),
00293 AS(SDLK_PAUSE, WKC_PAUSE),
00294 AS(SDLK_BACKSPACE, WKC_BACKSPACE),
00295
00296 AS(SDLK_SPACE, WKC_SPACE),
00297 AS(SDLK_RETURN, WKC_RETURN),
00298 AS(SDLK_TAB, WKC_TAB),
00299
00300
00301 AM(SDLK_F1, SDLK_F12, WKC_F1, WKC_F12),
00302
00303
00304 AM(SDLK_KP0, SDLK_KP9, '0', '9'),
00305 AS(SDLK_KP_DIVIDE, WKC_NUM_DIV),
00306 AS(SDLK_KP_MULTIPLY, WKC_NUM_MUL),
00307 AS(SDLK_KP_MINUS, WKC_NUM_MINUS),
00308 AS(SDLK_KP_PLUS, WKC_NUM_PLUS),
00309 AS(SDLK_KP_ENTER, WKC_NUM_ENTER),
00310 AS(SDLK_KP_PERIOD, WKC_NUM_DECIMAL),
00311
00312
00313 AS(SDLK_SLASH, WKC_SLASH),
00314 AS(SDLK_SEMICOLON, WKC_SEMICOLON),
00315 AS(SDLK_EQUALS, WKC_EQUALS),
00316 AS(SDLK_LEFTBRACKET, WKC_L_BRACKET),
00317 AS(SDLK_BACKSLASH, WKC_BACKSLASH),
00318 AS(SDLK_RIGHTBRACKET, WKC_R_BRACKET),
00319
00320 AS(SDLK_QUOTE, WKC_SINGLEQUOTE),
00321 AS(SDLK_COMMA, WKC_COMMA),
00322 AS(SDLK_MINUS, WKC_MINUS),
00323 AS(SDLK_PERIOD, WKC_PERIOD)
00324 };
00325
00326 static uint32 ConvertSdlKeyIntoMy(SDL_keysym *sym)
00327 {
00328 const VkMapping *map;
00329 uint key = 0;
00330
00331 for (map = _vk_mapping; map != endof(_vk_mapping); ++map) {
00332 if ((uint)(sym->sym - map->vk_from) <= map->vk_count) {
00333 key = sym->sym - map->vk_from + map->map_to;
00334 break;
00335 }
00336 }
00337
00338
00339 #if defined(WIN32) || defined(__OS2__)
00340 if (sym->scancode == 41) key = WKC_BACKQUOTE;
00341 #elif defined(__APPLE__)
00342 if (sym->scancode == 10) key = WKC_BACKQUOTE;
00343 #elif defined(__MORPHOS__)
00344 if (sym->scancode == 0) key = WKC_BACKQUOTE;
00345 #elif defined(__BEOS__)
00346 if (sym->scancode == 17) key = WKC_BACKQUOTE;
00347 #elif defined(__SVR4) && defined(__sun)
00348 if (sym->scancode == 60) key = WKC_BACKQUOTE;
00349 if (sym->scancode == 49) key = WKC_BACKSPACE;
00350 #elif defined(__sgi__)
00351 if (sym->scancode == 22) key = WKC_BACKQUOTE;
00352 #else
00353 if (sym->scancode == 49) key = WKC_BACKQUOTE;
00354 #endif
00355
00356
00357 if (sym->mod & KMOD_META) key |= WKC_META;
00358 if (sym->mod & KMOD_SHIFT) key |= WKC_SHIFT;
00359 if (sym->mod & KMOD_CTRL) key |= WKC_CTRL;
00360 if (sym->mod & KMOD_ALT) key |= WKC_ALT;
00361
00362 return (key << 16) + sym->unicode;
00363 }
00364
00365 static int PollEvent()
00366 {
00367 SDL_Event ev;
00368
00369 if (!SDL_CALL SDL_PollEvent(&ev)) return -2;
00370
00371 switch (ev.type) {
00372 case SDL_MOUSEMOTION:
00373 if (_cursor.fix_at) {
00374 int dx;
00375 int dy;
00376 if (_last_fix_at) {
00377 dx = ev.motion.x - _screen.width / 2;
00378 dy = ev.motion.y - _screen.height / 2;
00379 } else {
00380
00381
00382 dx = ev.motion.x - _cursor.pos.x;
00383 dy = ev.motion.y - _cursor.pos.y;
00384 _last_fix_at = true;
00385 }
00386 if (dx != 0 || dy != 0) {
00387 _cursor.delta.x = dx;
00388 _cursor.delta.y = dy;
00389 SDL_CALL SDL_WarpMouse(_screen.width / 2, _screen.height / 2);
00390 }
00391 } else {
00392 _cursor.delta.x = ev.motion.x - _cursor.pos.x;
00393 _cursor.delta.y = ev.motion.y - _cursor.pos.y;
00394 _cursor.pos.x = ev.motion.x;
00395 _cursor.pos.y = ev.motion.y;
00396 _cursor.dirty = true;
00397 }
00398 HandleMouseEvents();
00399 break;
00400
00401 case SDL_MOUSEBUTTONDOWN:
00402 if (_rightclick_emulate && SDL_CALL SDL_GetModState() & KMOD_CTRL) {
00403 ev.button.button = SDL_BUTTON_RIGHT;
00404 }
00405
00406 switch (ev.button.button) {
00407 case SDL_BUTTON_LEFT:
00408 _left_button_down = true;
00409 break;
00410
00411 case SDL_BUTTON_RIGHT:
00412 _right_button_down = true;
00413 _right_button_clicked = true;
00414 break;
00415
00416 case SDL_BUTTON_WHEELUP: _cursor.wheel--; break;
00417 case SDL_BUTTON_WHEELDOWN: _cursor.wheel++; break;
00418
00419 default: break;
00420 }
00421 HandleMouseEvents();
00422 break;
00423
00424 case SDL_MOUSEBUTTONUP:
00425 if (_rightclick_emulate) {
00426 _right_button_down = false;
00427 _left_button_down = false;
00428 _left_button_clicked = false;
00429 } else if (ev.button.button == SDL_BUTTON_LEFT) {
00430 _left_button_down = false;
00431 _left_button_clicked = false;
00432 } else if (ev.button.button == SDL_BUTTON_RIGHT) {
00433 _right_button_down = false;
00434 }
00435 HandleMouseEvents();
00436
00437 if (_cursor.fix_at != _last_fix_at) {
00438
00439
00440 _last_fix_at = false;
00441 SDL_CALL SDL_WarpMouse(_cursor.pos.x, _cursor.pos.y);
00442 }
00443 break;
00444
00445 case SDL_ACTIVEEVENT:
00446 if (!(ev.active.state & SDL_APPMOUSEFOCUS)) break;
00447
00448 if (ev.active.gain) {
00449 _cursor.in_window = true;
00450 } else {
00451 UndrawMouseCursor();
00452 _cursor.in_window = false;
00453 }
00454 break;
00455
00456 case SDL_QUIT:
00457 HandleExitGameRequest();
00458 break;
00459
00460 case SDL_KEYDOWN:
00461 if ((ev.key.keysym.mod & (KMOD_ALT | KMOD_META)) &&
00462 (ev.key.keysym.sym == SDLK_RETURN || ev.key.keysym.sym == SDLK_f)) {
00463 ToggleFullScreen(!_fullscreen);
00464 } else {
00465 HandleKeypress(ConvertSdlKeyIntoMy(&ev.key.keysym));
00466 }
00467 break;
00468
00469 case SDL_VIDEORESIZE: {
00470 int w = max(ev.resize.w, 64);
00471 int h = max(ev.resize.h, 64);
00472 CreateMainSurface(w, h);
00473 break;
00474 }
00475 }
00476 return -1;
00477 }
00478
00479 const char *VideoDriver_SDL::Start(const char * const *parm)
00480 {
00481 char buf[30];
00482
00483 const char *s = SdlOpen(SDL_INIT_VIDEO);
00484 if (s != NULL) return s;
00485
00486 GetVideoModes();
00487 if (!CreateMainSurface(_cur_resolution.width, _cur_resolution.height)) {
00488 return SDL_CALL SDL_GetError();
00489 }
00490
00491 SDL_CALL SDL_VideoDriverName(buf, 30);
00492 DEBUG(driver, 1, "SDL: using driver '%s'", buf);
00493
00494 MarkWholeScreenDirty();
00495
00496 SDL_CALL SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
00497 SDL_CALL SDL_EnableUNICODE(1);
00498
00499 _draw_threaded = GetDriverParam(parm, "no_threads") == NULL && GetDriverParam(parm, "no_thread") == NULL;
00500
00501 return NULL;
00502 }
00503
00504 void VideoDriver_SDL::Stop()
00505 {
00506 SdlClose(SDL_INIT_VIDEO);
00507 }
00508
00509 void VideoDriver_SDL::MainLoop()
00510 {
00511 uint32 cur_ticks = SDL_CALL SDL_GetTicks();
00512 uint32 last_cur_ticks = cur_ticks;
00513 uint32 next_tick = cur_ticks + 30;
00514 uint32 pal_tick = 0;
00515 uint32 mod;
00516 int numkeys;
00517 Uint8 *keys;
00518
00519 if (_draw_threaded) {
00520
00521
00522 _draw_mutex = ThreadMutex::New();
00523 if (_draw_mutex == NULL) {
00524 _draw_threaded = false;
00525 } else {
00526 _draw_mutex->BeginCritical();
00527 _draw_continue = true;
00528
00529 _draw_threaded = ThreadObject::New(&DrawSurfaceToScreenThread, NULL, &_draw_thread);
00530
00531
00532 if (!_draw_threaded) {
00533 _draw_mutex->EndCritical();
00534 delete _draw_mutex;
00535 }
00536 }
00537 }
00538
00539 DEBUG(driver, 1, "SDL: using %sthreads", _draw_threaded ? "" : "no ");
00540
00541 for (;;) {
00542 uint32 prev_cur_ticks = cur_ticks;
00543 InteractiveRandom();
00544
00545 while (PollEvent() == -1) {}
00546 if (_exit_game) break;
00547
00548 mod = SDL_CALL SDL_GetModState();
00549 keys = SDL_CALL SDL_GetKeyState(&numkeys);
00550 #if defined(_DEBUG)
00551 if (_shift_pressed)
00552 #else
00553
00554
00555 if (keys[SDLK_TAB] && (mod & KMOD_ALT) == 0)
00556 #endif
00557 {
00558 if (!_networking && _game_mode != GM_MENU) _fast_forward |= 2;
00559 } else if (_fast_forward & 2) {
00560 _fast_forward = 0;
00561 }
00562
00563 cur_ticks = SDL_CALL SDL_GetTicks();
00564 if (cur_ticks >= next_tick || (_fast_forward && !_pause_mode) || cur_ticks < prev_cur_ticks) {
00565 _realtime_tick += cur_ticks - last_cur_ticks;
00566 last_cur_ticks = cur_ticks;
00567 next_tick = cur_ticks + 30;
00568
00569 bool old_ctrl_pressed = _ctrl_pressed;
00570
00571 _ctrl_pressed = !!(mod & KMOD_CTRL);
00572 _shift_pressed = !!(mod & KMOD_SHIFT);
00573
00574
00575 _dirkeys =
00576 (keys[SDLK_LEFT] ? 1 : 0) |
00577 (keys[SDLK_UP] ? 2 : 0) |
00578 (keys[SDLK_RIGHT] ? 4 : 0) |
00579 (keys[SDLK_DOWN] ? 8 : 0);
00580
00581 if (old_ctrl_pressed != _ctrl_pressed) HandleCtrlChanged();
00582
00583
00584
00585 if (_draw_threaded) _draw_mutex->EndCritical();
00586
00587 GameLoop();
00588
00589 if (_draw_threaded) _draw_mutex->BeginCritical();
00590
00591 UpdateWindows();
00592 if (++pal_tick > 4) {
00593 CheckPaletteAnim();
00594 pal_tick = 1;
00595 }
00596 } else {
00597
00598 if (_draw_threaded) _draw_mutex->EndCritical();
00599 CSleep(1);
00600 if (_draw_threaded) _draw_mutex->BeginCritical();
00601
00602 NetworkDrawChatMessage();
00603 DrawMouseCursor();
00604 }
00605
00606
00607 if (_draw_threaded && !IsGeneratingWorld()) {
00608 _draw_mutex->SendSignal();
00609 } else {
00610
00611 DrawSurfaceToScreen();
00612 }
00613 }
00614
00615 if (_draw_threaded) {
00616 _draw_continue = false;
00617
00618
00619 _draw_mutex->SendSignal();
00620 _draw_mutex->EndCritical();
00621 _draw_thread->Join();
00622
00623 delete _draw_mutex;
00624 delete _draw_thread;
00625 }
00626 }
00627
00628 bool VideoDriver_SDL::ChangeResolution(int w, int h)
00629 {
00630 if (_draw_threaded) _draw_mutex->BeginCritical();
00631 bool ret = CreateMainSurface(w, h);
00632 if (_draw_threaded) _draw_mutex->EndCritical();
00633 return ret;
00634 }
00635
00636 bool VideoDriver_SDL::ToggleFullscreen(bool fullscreen)
00637 {
00638 _fullscreen = fullscreen;
00639 GetVideoModes();
00640 if (_num_resolutions == 0 || !CreateMainSurface(_cur_resolution.width, _cur_resolution.height)) {
00641
00642 _fullscreen ^= true;
00643 return false;
00644 }
00645 return true;
00646 }
00647
00648 #endif