diff options
Diffstat (limited to 'sdl.c')
| -rw-r--r-- | sdl.c | 575 |
1 files changed, 9 insertions, 566 deletions
@@ -1,17 +1,7 @@ #include "stdafx.h" - -#if defined(WITH_SDL) #include "openttd.h" -#include "debug.h" -#include "functions.h" -#include "gfx.h" -#include "mixer.h" -#include "window.h" +#include "sdl.h" #include <SDL.h> -#include "player.h" -#include "hal.h" -#include "network.h" -#include "variables.h" #ifdef UNIX #include <signal.h> @@ -23,52 +13,12 @@ #endif #endif -#define DYNAMICALLY_LOADED_SDL - -static SDL_Surface *_sdl_screen; static int _sdl_usage; -static bool _all_modes; - -#define MAX_DIRTY_RECTS 100 -static SDL_Rect _dirty_rects[MAX_DIRTY_RECTS]; -static int _num_dirty_rects; -#define SDL_CALL - -#if defined(DYNAMICALLY_LOADED_SDL) && defined(WIN32) +#ifdef DYNAMICALLY_LOADED_SDL bool LoadLibraryList(void **proc, const char *dll); -typedef struct { - int (SDLCALL *SDL_Init)(Uint32); - int (SDLCALL *SDL_InitSubSystem)(Uint32); - char *(SDLCALL *SDL_GetError)(); - void (SDLCALL *SDL_QuitSubSystem)(Uint32); - void (SDLCALL *SDL_UpdateRect)(SDL_Surface *, Sint32, Sint32, Uint32, Uint32); - void (SDLCALL *SDL_UpdateRects)(SDL_Surface *, int, SDL_Rect *); - int (SDLCALL *SDL_SetColors)(SDL_Surface *, SDL_Color *, int, int); - void (SDLCALL *SDL_WM_SetCaption)(const char *, const char *); - int (SDLCALL *SDL_ShowCursor)(int); - void (SDLCALL *SDL_FreeSurface)(SDL_Surface *); - int (SDLCALL *SDL_PollEvent)(SDL_Event *); - void (SDLCALL *SDL_WarpMouse)(Uint16, Uint16); - uint32 (SDLCALL *SDL_GetTicks)(); - int (SDLCALL *SDL_OpenAudio)(SDL_AudioSpec *, SDL_AudioSpec*); - void (SDLCALL *SDL_PauseAudio)(int); - void (SDLCALL *SDL_CloseAudio)(); - int (SDLCALL *SDL_LockSurface)(SDL_Surface*); - void (SDLCALL *SDL_UnlockSurface)(SDL_Surface*); - SDLMod (SDLCALL *SDL_GetModState)(); - void (SDLCALL *SDL_Delay)(Uint32); - void (SDLCALL *SDL_Quit)(); - SDL_Surface *(SDLCALL *SDL_SetVideoMode)(int, int, int, Uint32); - int (SDLCALL *SDL_EnableKeyRepeat)(int, int); - void (SDLCALL *SDL_EnableUNICODE)(int); - void (SDLCALL *SDL_VideoDriverName)(char *, int); - SDL_Rect **(SDLCALL *SDL_ListModes)(void *, int); - Uint8 *(SDLCALL *SDL_GetKeyState)(int *); -} SDLProcs; - #define M(x) x "\0" static const char sdl_files[] = M("sdl.dll") @@ -103,21 +53,18 @@ static const char sdl_files[] = ; #undef M -static SDLProcs _proc; +SDLProcs sdl_proc; static const char *LoadSdlDLL(void) { - if (_proc.SDL_Init != NULL) + if (sdl_proc.SDL_Init != NULL) return NULL; - if (!LoadLibraryList((void**)&_proc, sdl_files)) + if (!LoadLibraryList((void**)&sdl_proc, sdl_files)) return "Unable to load sdl.dll"; return NULL; } -#undef SDL_CALL -#define SDL_CALL _proc. - -#endif +#endif // DYNAMICALLY_LOADED_SDL #ifdef UNIX @@ -140,9 +87,9 @@ static void SdlAbort(int sig) #endif -static const char *SdlOpen(uint32 x) +const char* SdlOpen(uint32 x) { -#if defined(DYNAMICALLY_LOADED_SDL) && defined(WIN32) +#ifdef DYNAMICALLY_LOADED_SDL { const char *s = LoadSdlDLL(); if (s != NULL) return s; @@ -165,7 +112,7 @@ static const char *SdlOpen(uint32 x) return NULL; } -static void SdlClose(uint32 x) +void SdlClose(uint32 x) { if (x != 0) SDL_CALL SDL_QuitSubSystem(x); @@ -178,507 +125,3 @@ static void SdlClose(uint32 x) #endif } } - -static void SdlVideoMakeDirty(int left, int top, int width, int height) -{ -// printf("(%d,%d)-(%d,%d)\n", left, top, width, height); -// _pixels_redrawn += width*height; - if (_num_dirty_rects < MAX_DIRTY_RECTS) { - _dirty_rects[_num_dirty_rects].x = left; - _dirty_rects[_num_dirty_rects].y = top; - _dirty_rects[_num_dirty_rects].w = width; - _dirty_rects[_num_dirty_rects].h = height; - } - _num_dirty_rects++; -} - -static SDL_Color pal[256]; - -static void UpdatePalette(uint start, uint end) -{ - uint i; - - for (i = start; i != end; i++) { - pal[i].r = _cur_palette[i].r; - pal[i].g = _cur_palette[i].g; - pal[i].b = _cur_palette[i].b; - pal[i].unused = 0; - } - - SDL_CALL SDL_SetColors(_sdl_screen, pal, start, end); -} - -static void InitPalette(void) -{ - UpdatePalette(0, 256); -} - -static void CheckPaletteAnim(void) -{ - if(_pal_last_dirty != -1) { - UpdatePalette(_pal_first_dirty, _pal_last_dirty + 1); - _pal_last_dirty = -1; - } -} - -static void DrawSurfaceToScreen(void) -{ - int n = _num_dirty_rects; - if (n != 0) { - _num_dirty_rects = 0; - if (n > MAX_DIRTY_RECTS) - SDL_CALL SDL_UpdateRect(_sdl_screen, 0, 0, 0, 0); - else - SDL_CALL SDL_UpdateRects(_sdl_screen, n, _dirty_rects); - } -} - -static const uint16 default_resolutions[][2] = { - { 640, 480}, - { 800, 600}, - {1024, 768}, - {1152, 864}, - {1280, 800}, - {1280, 960}, - {1280, 1024}, - {1400, 1050}, - {1600, 1200}, - {1680, 1050}, - {1920, 1200} -}; - -static void GetVideoModes(void) -{ - int i; - SDL_Rect **modes; - - modes = SDL_CALL SDL_ListModes(NULL, SDL_SWSURFACE + (_fullscreen ? SDL_FULLSCREEN : 0)); - - if (modes == NULL) - error("sdl: no modes available"); - - _all_modes = (modes == (void*)-1); - - if (_all_modes) { - // all modes available, put some default ones here - memcpy(_resolutions, default_resolutions, sizeof(default_resolutions)); - _num_resolutions = lengthof(default_resolutions); - } else { - int n = 0; - for (i = 0; modes[i]; i++) { - int w = modes[i]->w; - int h = modes[i]->h; - if (IS_INT_INSIDE(w, 640, MAX_SCREEN_WIDTH + 1) && - IS_INT_INSIDE(h, 480, MAX_SCREEN_HEIGHT + 1)) { - int j; - for (j = 0; j < n; j++) { - if (_resolutions[j][0] == w && _resolutions[j][1] == h) break; - } - - if (j == n) { - _resolutions[j][0] = w; - _resolutions[j][1] = h; - if (++n == lengthof(_resolutions)) break; - } - } - } - _num_resolutions = n; - SortResolutions(_num_resolutions); - } -} - -static int GetAvailableVideoMode(int *w, int *h) -{ - int i; - int best; - uint delta; - - // all modes available? - if (_all_modes) - return 1; - - // is the wanted mode among the available modes? - for (i = 0; i != _num_resolutions; i++) { - if(*w == _resolutions[i][0] && *h == _resolutions[i][1]) - return 1; - } - - // use the closest possible resolution - best = 0; - delta = abs((_resolutions[0][0] - *w) * (_resolutions[0][1] - *h)); - for (i = 1; i != _num_resolutions; ++i) { - uint newdelta = abs((_resolutions[i][0] - *w) * (_resolutions[i][1] - *h)); - if (newdelta < delta) { - best = i; - delta = newdelta; - } - } - *w = _resolutions[best][0]; - *h = _resolutions[best][1]; - return 2; -} - -extern const char _openttd_revision[]; - -static bool CreateMainSurface(int w, int h) -{ - SDL_Surface *newscreen; - char caption[50]; - - GetAvailableVideoMode(&w, &h); - - DEBUG(misc, 1) ("sdl: using mode %dx%d", w, h); - - // DO NOT CHANGE TO HWSURFACE, IT DOES NOT WORK - newscreen = SDL_CALL SDL_SetVideoMode(w, h, 8, SDL_SWSURFACE | SDL_HWPALETTE | (_fullscreen ? SDL_FULLSCREEN : SDL_RESIZABLE)); - if (newscreen == NULL) - return false; - - _screen.width = newscreen->w; - _screen.height = newscreen->h; - _screen.pitch = newscreen->pitch; - - _sdl_screen = newscreen; - InitPalette(); - - snprintf(caption, sizeof(caption), "OpenTTD %s", _openttd_revision); - SDL_CALL SDL_WM_SetCaption(caption, caption); - SDL_CALL SDL_ShowCursor(0); - - GameSizeChanged(); - - return true; -} - -typedef struct VkMapping { - uint16 vk_from; - byte vk_count; - byte map_to; -} VkMapping; - -#define AS(x, z) {x, 0, z} -#define AM(x, y, z, w) {x, y - x, z} - -static const VkMapping _vk_mapping[] = { - // Pageup stuff + up/down - AM(SDLK_PAGEUP, SDLK_PAGEDOWN, WKC_PAGEUP, WKC_PAGEDOWN), - AS(SDLK_UP, WKC_UP), - AS(SDLK_DOWN, WKC_DOWN), - AS(SDLK_LEFT, WKC_LEFT), - AS(SDLK_RIGHT, WKC_RIGHT), - - AS(SDLK_HOME, WKC_HOME), - AS(SDLK_END, WKC_END), - - AS(SDLK_INSERT, WKC_INSERT), - AS(SDLK_DELETE, WKC_DELETE), - - // Map letters & digits - AM(SDLK_a, SDLK_z, 'A', 'Z'), - AM(SDLK_0, SDLK_9, '0', '9'), - - AS(SDLK_ESCAPE, WKC_ESC), - AS(SDLK_PAUSE, WKC_PAUSE), - AS(SDLK_BACKSPACE, WKC_BACKSPACE), - - AS(SDLK_SPACE, WKC_SPACE), - AS(SDLK_RETURN, WKC_RETURN), - AS(SDLK_TAB, WKC_TAB), - - // Function keys - AM(SDLK_F1, SDLK_F12, WKC_F1, WKC_F12), - - // Numeric part. - // What is the virtual keycode for numeric enter?? - AM(SDLK_KP0, SDLK_KP9, WKC_NUM_0, WKC_NUM_9), - AS(SDLK_KP_DIVIDE, WKC_NUM_DIV), - AS(SDLK_KP_MULTIPLY, WKC_NUM_MUL), - AS(SDLK_KP_MINUS, WKC_NUM_MINUS), - AS(SDLK_KP_PLUS, WKC_NUM_PLUS), - AS(SDLK_KP_ENTER, WKC_NUM_ENTER), - AS(SDLK_KP_PERIOD, WKC_NUM_DECIMAL) -}; - -static uint32 ConvertSdlKeyIntoMy(SDL_keysym *sym) -{ - const VkMapping *map; - uint key = 0; - for (map = _vk_mapping; map != endof(_vk_mapping); ++map) { - if ((uint)(sym->sym - map->vk_from) <= map->vk_count) { - key = sym->sym - map->vk_from + map->map_to; - break; - } - } - - // check scancode for BACKQUOTE key, because we want the key left of "1", not anything else (on non-US keyboards) -#if defined(WIN32) || defined(__OS2__) - if (sym->scancode == 41) key |= WKC_BACKQUOTE; -#elif defined(__APPLE__) - if (sym->scancode == 10) key |= WKC_BACKQUOTE; -#elif defined(__MORPHOS__) - if (sym->scancode == 0) key |= WKC_BACKQUOTE; // yes, that key is code '0' under MorphOS :) -#elif defined(__BEOS__) - if (sym->scancode == 17) key |= WKC_BACKQUOTE; -#elif defined(__SVR4) && defined(__sun) - if (sym->scancode == 60) key |= WKC_BACKQUOTE; - if (sym->scancode == 49) key |= WKC_BACKSPACE; -#elif defined(__sgi__) - if (sym->scancode == 22) key |= WKC_BACKQUOTE; -#else - if (sym->scancode == 41) key |= WKC_BACKQUOTE; // Linux console - if (sym->scancode == 49) key |= WKC_BACKQUOTE; -#endif - - // META are the command keys on mac - if (sym->mod & KMOD_META) key |= WKC_META; - if (sym->mod & KMOD_SHIFT) key |= WKC_SHIFT; - if (sym->mod & KMOD_CTRL) key |= WKC_CTRL; - if (sym->mod & KMOD_ALT) key |= WKC_ALT; - // these two lines really help porting hotkey combos. Uncomment to use -- Bjarni - //printf("scancode character pressed %d\n", sym->scancode); - //printf("unicode character pressed %d\n", sym->unicode); - return (key << 16) + sym->unicode; -} - -extern void DoExitSave(void); - -static int PollEvent(void) -{ - SDL_Event ev; - - if (!SDL_CALL SDL_PollEvent(&ev)) - return -2; - - switch (ev.type) { - case SDL_MOUSEMOTION: - if (_cursor.fix_at) { - int dx = ev.motion.x - _cursor.pos.x; - int dy = ev.motion.y - _cursor.pos.y; - if (dx != 0 || dy != 0) { - _cursor.delta.x += dx; - _cursor.delta.y += dy; - SDL_CALL SDL_WarpMouse(_cursor.pos.x, _cursor.pos.y); - } - } else { - _cursor.delta.x = ev.motion.x - _cursor.pos.x; - _cursor.delta.y = ev.motion.y - _cursor.pos.y; - _cursor.pos.x = ev.motion.x; - _cursor.pos.y = ev.motion.y; - _cursor.dirty = true; - } - break; - - case SDL_MOUSEBUTTONDOWN: - if (_rightclick_emulate && (SDL_CALL SDL_GetModState() & (KMOD_LCTRL | KMOD_RCTRL))) - ev.button.button = SDL_BUTTON_RIGHT; - - switch (ev.button.button) { - case SDL_BUTTON_LEFT: - _left_button_down = true; - break; - case SDL_BUTTON_RIGHT: - _right_button_down = true; - _right_button_clicked = true; - break; - case SDL_BUTTON_WHEELUP: - _cursor.wheel--; - break; - case SDL_BUTTON_WHEELDOWN: - _cursor.wheel++; - break; - default: - break; - } - break; - - case SDL_MOUSEBUTTONUP: - if (_rightclick_emulate) { - _right_button_down = false; - _left_button_down = false; - _left_button_clicked = false; - } else if (ev.button.button == SDL_BUTTON_LEFT) { - _left_button_down = false; - _left_button_clicked = false; - } else if (ev.button.button == SDL_BUTTON_RIGHT) { - _right_button_down = false; - } - break; - - case SDL_QUIT: - // do not ask to quit on the main screen - if (_game_mode != GM_MENU) { - if(_patches.autosave_on_exit) { - DoExitSave(); - return ML_QUIT; - } else - AskExitGame(); - } else - return ML_QUIT; - break; - - case SDL_KEYDOWN: /* Toggle full-screen on ALT + ENTER/F */ - if ((ev.key.keysym.mod & (KMOD_ALT | KMOD_META)) && - (ev.key.keysym.sym == SDLK_RETURN || ev.key.keysym.sym == SDLK_f)) { - ToggleFullScreen(!_fullscreen); - } else - _pressed_key = ConvertSdlKeyIntoMy(&ev.key.keysym); - - break; - - case SDL_VIDEORESIZE: { - int w = clamp(ev.resize.w, 64, MAX_SCREEN_WIDTH); - int h = clamp(ev.resize.h, 64, MAX_SCREEN_HEIGHT); - ChangeResInGame(w, h); - break; - } - } - return -1; -} - -static const char *SdlVideoStart(const char * const *parm) -{ - char buf[30]; - - const char *s = SdlOpen(SDL_INIT_VIDEO); - if (s != NULL) return s; - - SDL_CALL SDL_VideoDriverName(buf, 30); - DEBUG(misc, 1) ("sdl: using driver '%s'", buf); - - GetVideoModes(); - CreateMainSurface(_cur_resolution[0], _cur_resolution[1]); - MarkWholeScreenDirty(); - - SDL_CALL SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL); - SDL_CALL SDL_EnableUNICODE(1); - return NULL; -} - -static void SdlVideoStop(void) -{ - SdlClose(SDL_INIT_VIDEO); -} - -static int SdlVideoMainLoop(void) -{ - uint32 next_tick = SDL_CALL SDL_GetTicks() + 30; - uint32 cur_ticks; - uint32 pal_tick = 0; - int i; - uint32 mod; - int numkeys; - Uint8 *keys; - - for (;;) { - InteractiveRandom(); // randomness - - while ((i = PollEvent()) == -1) {} - if (i >= 0) return i; - - if (_exit_game) return ML_QUIT; - - mod = SDL_CALL SDL_GetModState(); - keys = SDL_CALL SDL_GetKeyState(&numkeys); -#if defined(_DEBUG) - if (_shift_pressed) -#else - if (keys[SDLK_TAB]) -#endif - { - if (!_networking && _game_mode != GM_MENU) _fast_forward |= 2; - } else if (_fast_forward & 2) { - _fast_forward = 0; - } - - cur_ticks = SDL_CALL SDL_GetTicks(); - if ((_fast_forward && !_pause) || cur_ticks > next_tick) - next_tick = cur_ticks; - - if (cur_ticks == next_tick) { - next_tick += 30; - - _ctrl_pressed = !!(mod & (KMOD_LCTRL | KMOD_RCTRL)); - _shift_pressed = !!(mod & (KMOD_LSHIFT | KMOD_RSHIFT)); - _dbg_screen_rect = !!(mod & KMOD_CAPS); - - // determine which directional keys are down - _dirkeys = - (keys[SDLK_LEFT] ? 1 : 0) | - (keys[SDLK_UP] ? 2 : 0) | - (keys[SDLK_RIGHT] ? 4 : 0) | - (keys[SDLK_DOWN] ? 8 : 0); - GameLoop(); - - _screen.dst_ptr = _sdl_screen->pixels; - UpdateWindows(); - if (++pal_tick > 4) { - CheckPaletteAnim(); - pal_tick = 1; - } - DrawSurfaceToScreen(); - } else { - SDL_CALL SDL_Delay(1); - _screen.dst_ptr = _sdl_screen->pixels; - DrawTextMessage(); - DrawMouseCursor(); - DrawSurfaceToScreen(); - } - } -} - -static bool SdlVideoChangeRes(int w, int h) -{ - return CreateMainSurface(w, h); -} - -static void SdlVideoFullScreen(bool full_screen) -{ - _fullscreen = full_screen; - GetVideoModes(); // get the list of available video modes - if (!_video_driver->change_resolution(_cur_resolution[0], _cur_resolution[1])) - _fullscreen ^= true; // switching resolution failed, put back full_screen to original status -} - -const HalVideoDriver _sdl_video_driver = { - SdlVideoStart, - SdlVideoStop, - SdlVideoMakeDirty, - SdlVideoMainLoop, - SdlVideoChangeRes, - SdlVideoFullScreen, -}; - -static void CDECL fill_sound_buffer(void *userdata, Uint8 *stream, int len) -{ - MxMixSamples(_mixer, stream, len / 4); -} - -static const char *SdlSoundStart(const char * const *parm) -{ - SDL_AudioSpec spec; - - const char *s = SdlOpen(SDL_INIT_AUDIO); - if (s != NULL) return s; - - spec.freq = GetDriverParamInt(parm, "hz", 11025); - spec.format = AUDIO_S16SYS; - spec.channels = 2; - spec.samples = 512; - spec.callback = fill_sound_buffer; - SDL_CALL SDL_OpenAudio(&spec, &spec); - SDL_CALL SDL_PauseAudio(0); - return NULL; -} - -static void SdlSoundStop(void) -{ - SDL_CALL SDL_CloseAudio(); - SdlClose(SDL_INIT_AUDIO); -} - -const HalSoundDriver _sdl_sound_driver = { - SdlSoundStart, - SdlSoundStop, -}; - -#endif /* WITH_SDL */ |