mirror of
https://github.com/OpenTTD/OpenTTD.git
synced 2024-08-29 13:36:04 +02:00
689 lines
16 KiB
C
689 lines
16 KiB
C
#include "stdafx.h"
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#if defined(WITH_SDL)
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#include "openttd.h"
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#include "debug.h"
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#include "gfx.h"
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#include "mixer.h"
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#include "window.h"
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#include <SDL.h>
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#include "player.h"
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#include "hal.h"
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#include "network.h"
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#ifdef UNIX
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#include <signal.h>
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#ifdef __MORPHOS__
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// The system supplied definition of SIG_DFL is wrong on MorphOS
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#undef SIG_DFL
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#define SIG_DFL (void (*)(int))0
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#endif
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#endif
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#define DYNAMICALLY_LOADED_SDL
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static SDL_Surface *_sdl_screen;
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static int _sdl_usage;
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static bool _all_modes;
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#define MAX_DIRTY_RECTS 100
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static SDL_Rect _dirty_rects[MAX_DIRTY_RECTS];
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static int _num_dirty_rects;
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#define SDL_CALL
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#if defined(DYNAMICALLY_LOADED_SDL) && defined(WIN32)
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bool LoadLibraryList(void **proc, const char *dll);
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typedef struct {
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int (SDLCALL *SDL_Init)(Uint32);
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int (SDLCALL *SDL_InitSubSystem)(Uint32);
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char *(SDLCALL *SDL_GetError)();
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void (SDLCALL *SDL_QuitSubSystem)(Uint32);
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void (SDLCALL *SDL_UpdateRect)(SDL_Surface *, Sint32, Sint32, Uint32, Uint32);
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void (SDLCALL *SDL_UpdateRects)(SDL_Surface *, int, SDL_Rect *);
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int (SDLCALL *SDL_SetColors)(SDL_Surface *, SDL_Color *, int, int);
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void (SDLCALL *SDL_WM_SetCaption)(const char *, const char *);
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int (SDLCALL *SDL_ShowCursor)(int);
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void (SDLCALL *SDL_FreeSurface)(SDL_Surface *);
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int (SDLCALL *SDL_PollEvent)(SDL_Event *);
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void (SDLCALL *SDL_WarpMouse)(Uint16, Uint16);
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uint32 (SDLCALL *SDL_GetTicks)();
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int (SDLCALL *SDL_OpenAudio)(SDL_AudioSpec *, SDL_AudioSpec*);
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void (SDLCALL *SDL_PauseAudio)(int);
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void (SDLCALL *SDL_CloseAudio)();
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int (SDLCALL *SDL_LockSurface)(SDL_Surface*);
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void (SDLCALL *SDL_UnlockSurface)(SDL_Surface*);
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SDLMod (SDLCALL *SDL_GetModState)();
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void (SDLCALL *SDL_Delay)(Uint32);
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void (SDLCALL *SDL_Quit)();
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SDL_Surface *(SDLCALL *SDL_SetVideoMode)(int, int, int, Uint32);
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int (SDLCALL *SDL_EnableKeyRepeat)(int, int);
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void (SDLCALL *SDL_EnableUNICODE)(int);
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void (SDLCALL *SDL_VideoDriverName)(char *, int);
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SDL_Rect **(SDLCALL *SDL_ListModes)(void *, int);
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Uint8 *(SDLCALL *SDL_GetKeyState)(int *);
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} SDLProcs;
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#define M(x) x "\0"
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static const char sdl_files[] =
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M("sdl.dll")
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M("SDL_Init")
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M("SDL_InitSubSystem")
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M("SDL_GetError")
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M("SDL_QuitSubSystem")
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M("SDL_UpdateRect")
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M("SDL_UpdateRects")
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M("SDL_SetColors")
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M("SDL_WM_SetCaption")
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M("SDL_ShowCursor")
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M("SDL_FreeSurface")
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M("SDL_PollEvent")
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M("SDL_WarpMouse")
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M("SDL_GetTicks")
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M("SDL_OpenAudio")
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M("SDL_PauseAudio")
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M("SDL_CloseAudio")
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M("SDL_LockSurface")
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M("SDL_UnlockSurface")
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M("SDL_GetModState")
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M("SDL_Delay")
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M("SDL_Quit")
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M("SDL_SetVideoMode")
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M("SDL_EnableKeyRepeat")
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M("SDL_EnableUNICODE")
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M("SDL_VideoDriverName")
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M("SDL_ListModes")
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M("SDL_GetKeyState")
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M("")
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;
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#undef M
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static SDLProcs _proc;
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static const char *LoadSdlDLL(void)
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{
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if (_proc.SDL_Init != NULL)
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return NULL;
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if (!LoadLibraryList((void**)&_proc, sdl_files))
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return "Unable to load sdl.dll";
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return NULL;
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}
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#undef SDL_CALL
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#define SDL_CALL _proc.
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#endif
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#ifdef UNIX
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static void SdlAbort(int sig)
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{
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/* Own hand-made parachute for the cases of failed assertions. */
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SDL_CALL SDL_Quit();
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switch (sig) {
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case SIGSEGV:
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case SIGFPE:
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signal(sig, SIG_DFL);
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raise(sig);
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break;
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default:
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break;
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}
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}
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#endif
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static const char *SdlOpen(uint32 x)
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{
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#if defined(DYNAMICALLY_LOADED_SDL) && defined(WIN32)
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{
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const char *s = LoadSdlDLL();
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if (s != NULL) return s;
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}
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#endif
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if (_sdl_usage++ == 0) {
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if (SDL_CALL SDL_Init(x) == -1)
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return SDL_CALL SDL_GetError();
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} else if (x != 0) {
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if (SDL_CALL SDL_InitSubSystem(x) == -1)
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return SDL_CALL SDL_GetError();
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}
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#ifdef UNIX
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signal(SIGABRT, SdlAbort);
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signal(SIGSEGV, SdlAbort);
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signal(SIGFPE, SdlAbort);
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#endif
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return NULL;
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}
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static void SdlClose(uint32 x)
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{
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if (x != 0)
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SDL_CALL SDL_QuitSubSystem(x);
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if (--_sdl_usage == 0) {
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SDL_CALL SDL_Quit();
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#ifdef UNIX
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signal(SIGABRT, SIG_DFL);
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signal(SIGSEGV, SIG_DFL);
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signal(SIGFPE, SIG_DFL);
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#endif
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}
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}
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static void SdlVideoMakeDirty(int left, int top, int width, int height)
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{
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// printf("(%d,%d)-(%d,%d)\n", left, top, width, height);
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// _pixels_redrawn += width*height;
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if (_num_dirty_rects < MAX_DIRTY_RECTS) {
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_dirty_rects[_num_dirty_rects].x = left;
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_dirty_rects[_num_dirty_rects].y = top;
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_dirty_rects[_num_dirty_rects].w = width;
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_dirty_rects[_num_dirty_rects].h = height;
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}
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_num_dirty_rects++;
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}
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static SDL_Color pal[256];
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static void UpdatePalette(uint start, uint end)
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{
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uint i;
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for (i = start; i != end; i++) {
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pal[i].r = _cur_palette[i].r;
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pal[i].g = _cur_palette[i].g;
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pal[i].b = _cur_palette[i].b;
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pal[i].unused = 0;
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}
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SDL_CALL SDL_SetColors(_sdl_screen, pal, start, end);
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}
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static void InitPalette(void)
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{
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UpdatePalette(0, 256);
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}
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static void CheckPaletteAnim(void)
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{
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if(_pal_last_dirty != -1) {
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UpdatePalette(_pal_first_dirty, _pal_last_dirty + 1);
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_pal_last_dirty = -1;
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}
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}
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static void DrawSurfaceToScreen(void)
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{
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int n = _num_dirty_rects;
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if (n != 0) {
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_num_dirty_rects = 0;
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if (n > MAX_DIRTY_RECTS)
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SDL_CALL SDL_UpdateRect(_sdl_screen, 0, 0, 0, 0);
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else
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SDL_CALL SDL_UpdateRects(_sdl_screen, n, _dirty_rects);
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}
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}
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static const uint16 default_resolutions[][2] = {
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{ 640, 480},
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{ 800, 600},
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{1024, 768},
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{1152, 864},
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{1280, 800},
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{1280, 960},
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{1280, 1024},
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{1400, 1050},
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{1600, 1200},
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{1680, 1050},
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{1920, 1200}
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};
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static void GetVideoModes(void)
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{
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int i;
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SDL_Rect **modes;
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modes = SDL_CALL SDL_ListModes(NULL, SDL_SWSURFACE + (_fullscreen ? SDL_FULLSCREEN : 0));
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if (modes == NULL)
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error("sdl: no modes available");
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_all_modes = (modes == (void*)-1);
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if (_all_modes) {
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// all modes available, put some default ones here
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memcpy(_resolutions, default_resolutions, sizeof(default_resolutions));
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_num_resolutions = lengthof(default_resolutions);
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} else {
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int n = 0;
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for (i = 0; modes[i]; i++) {
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int w = modes[i]->w;
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int h = modes[i]->h;
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if (IS_INT_INSIDE(w, 640, MAX_SCREEN_WIDTH + 1) &&
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IS_INT_INSIDE(h, 480, MAX_SCREEN_HEIGHT + 1)) {
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int j;
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for (j = 0; j < n; j++) {
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if (_resolutions[j][0] == w && _resolutions[j][1] == h) break;
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}
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if (j == n) {
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_resolutions[j][0] = w;
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_resolutions[j][1] = h;
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if (++n == lengthof(_resolutions)) break;
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}
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}
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}
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_num_resolutions = n;
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SortResolutions(_num_resolutions);
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}
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}
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static int GetAvailableVideoMode(int *w, int *h)
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{
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int i;
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int best;
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uint delta;
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// all modes available?
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if (_all_modes)
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return 1;
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// is the wanted mode among the available modes?
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for (i = 0; i != _num_resolutions; i++) {
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if(*w == _resolutions[i][0] && *h == _resolutions[i][1])
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return 1;
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}
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// use the closest possible resolution
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best = 0;
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delta = abs((_resolutions[0][0] - *w) * (_resolutions[0][1] - *h));
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for (i = 1; i != _num_resolutions; ++i) {
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uint newdelta = abs((_resolutions[i][0] - *w) * (_resolutions[i][1] - *h));
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if (newdelta < delta) {
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best = i;
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delta = newdelta;
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}
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}
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*w = _resolutions[best][0];
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*h = _resolutions[best][1];
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return 2;
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}
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extern const char _openttd_revision[];
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static bool CreateMainSurface(int w, int h)
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{
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SDL_Surface *newscreen;
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char caption[50];
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GetAvailableVideoMode(&w, &h);
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DEBUG(misc, 1) ("sdl: using mode %dx%d", w, h);
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// DO NOT CHANGE TO HWSURFACE, IT DOES NOT WORK
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newscreen = SDL_CALL SDL_SetVideoMode(w, h, 8, SDL_SWSURFACE | SDL_HWPALETTE | (_fullscreen ? SDL_FULLSCREEN : SDL_RESIZABLE));
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if (newscreen == NULL)
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return false;
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_screen.width = newscreen->w;
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_screen.height = newscreen->h;
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_screen.pitch = newscreen->pitch;
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_sdl_screen = newscreen;
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InitPalette();
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snprintf(caption, sizeof(caption), "OpenTTD %s", _openttd_revision);
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SDL_CALL SDL_WM_SetCaption(caption, caption);
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SDL_CALL SDL_ShowCursor(0);
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GameSizeChanged();
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return true;
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}
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typedef struct VkMapping {
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uint16 vk_from;
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byte vk_count;
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byte map_to;
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} VkMapping;
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#define AS(x, z) {x, 0, z}
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#define AM(x, y, z, w) {x, y - x, z}
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static const VkMapping _vk_mapping[] = {
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// Pageup stuff + up/down
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AM(SDLK_PAGEUP, SDLK_PAGEDOWN, WKC_PAGEUP, WKC_PAGEDOWN),
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AS(SDLK_UP, WKC_UP),
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AS(SDLK_DOWN, WKC_DOWN),
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AS(SDLK_LEFT, WKC_LEFT),
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AS(SDLK_RIGHT, WKC_RIGHT),
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AS(SDLK_HOME, WKC_HOME),
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AS(SDLK_END, WKC_END),
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AS(SDLK_INSERT, WKC_INSERT),
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AS(SDLK_DELETE, WKC_DELETE),
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// Map letters & digits
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AM(SDLK_a, SDLK_z, 'A', 'Z'),
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AM(SDLK_0, SDLK_9, '0', '9'),
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AS(SDLK_ESCAPE, WKC_ESC),
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AS(SDLK_PAUSE, WKC_PAUSE),
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AS(SDLK_BACKSPACE, WKC_BACKSPACE),
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AS(SDLK_SPACE, WKC_SPACE),
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AS(SDLK_RETURN, WKC_RETURN),
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AS(SDLK_TAB, WKC_TAB),
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// Function keys
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AM(SDLK_F1, SDLK_F12, WKC_F1, WKC_F12),
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// Numeric part.
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// What is the virtual keycode for numeric enter??
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AM(SDLK_KP0, SDLK_KP9, WKC_NUM_0, WKC_NUM_9),
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AS(SDLK_KP_DIVIDE, WKC_NUM_DIV),
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AS(SDLK_KP_MULTIPLY, WKC_NUM_MUL),
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AS(SDLK_KP_MINUS, WKC_NUM_MINUS),
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AS(SDLK_KP_PLUS, WKC_NUM_PLUS),
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AS(SDLK_KP_ENTER, WKC_NUM_ENTER),
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AS(SDLK_KP_PERIOD, WKC_NUM_DECIMAL)
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};
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static uint32 ConvertSdlKeyIntoMy(SDL_keysym *sym)
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{
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const VkMapping *map;
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uint key = 0;
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for (map = _vk_mapping; map != endof(_vk_mapping); ++map) {
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if ((uint)(sym->sym - map->vk_from) <= map->vk_count) {
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key = sym->sym - map->vk_from + map->map_to;
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break;
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}
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}
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// check scancode for BACKQUOTE key, because we want the key left of "1", not anything else (on non-US keyboards)
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#if defined(WIN32) || defined(__OS2__)
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if (sym->scancode == 41) key |= WKC_BACKQUOTE;
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#elif defined(__APPLE__)
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if (sym->scancode == 10) key |= WKC_BACKQUOTE;
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#elif defined(__MORPHOS__)
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if (sym->scancode == 0) key |= WKC_BACKQUOTE; // yes, that key is code '0' under MorphOS :)
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#elif defined(__BEOS__)
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if (sym->scancode == 17) key |= WKC_BACKQUOTE;
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#elif defined(__SVR4) && defined(__sun)
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if (sym->scancode == 60) key |= WKC_BACKQUOTE;
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if (sym->scancode == 49) key |= WKC_BACKSPACE;
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#elif defined(__sgi__)
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if (sym->scancode == 22) key |= WKC_BACKQUOTE;
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#else
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if (sym->scancode == 41) key |= WKC_BACKQUOTE; // Linux console
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if (sym->scancode == 49) key |= WKC_BACKQUOTE;
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#endif
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// META are the command keys on mac
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if (sym->mod & KMOD_META) key |= WKC_META;
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if (sym->mod & KMOD_SHIFT) key |= WKC_SHIFT;
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if (sym->mod & KMOD_CTRL) key |= WKC_CTRL;
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if (sym->mod & KMOD_ALT) key |= WKC_ALT;
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// these two lines really help porting hotkey combos. Uncomment to use -- Bjarni
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//printf("scancode character pressed %d\n", sym->scancode);
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//printf("unicode character pressed %d\n", sym->unicode);
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return (key << 16) + sym->unicode;
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}
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extern void DoExitSave(void);
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static int PollEvent(void)
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{
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SDL_Event ev;
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if (!SDL_CALL SDL_PollEvent(&ev))
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return -2;
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switch (ev.type) {
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case SDL_MOUSEMOTION:
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if (_cursor.fix_at) {
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int dx = ev.motion.x - _cursor.pos.x;
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int dy = ev.motion.y - _cursor.pos.y;
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if (dx != 0 || dy != 0) {
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_cursor.delta.x += dx;
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_cursor.delta.y += dy;
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SDL_CALL SDL_WarpMouse(_cursor.pos.x, _cursor.pos.y);
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}
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} else {
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_cursor.delta.x = ev.motion.x - _cursor.pos.x;
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_cursor.delta.y = ev.motion.y - _cursor.pos.y;
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_cursor.pos.x = ev.motion.x;
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_cursor.pos.y = ev.motion.y;
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_cursor.dirty = true;
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}
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break;
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case SDL_MOUSEBUTTONDOWN:
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if (_rightclick_emulate && (SDL_CALL SDL_GetModState() & (KMOD_LCTRL | KMOD_RCTRL)))
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ev.button.button = SDL_BUTTON_RIGHT;
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switch (ev.button.button) {
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case SDL_BUTTON_LEFT:
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_left_button_down = true;
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break;
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case SDL_BUTTON_RIGHT:
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_right_button_down = true;
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_right_button_clicked = true;
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break;
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case SDL_BUTTON_WHEELUP:
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_cursor.wheel--;
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break;
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case SDL_BUTTON_WHEELDOWN:
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_cursor.wheel++;
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break;
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default:
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break;
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}
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break;
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case SDL_MOUSEBUTTONUP:
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if (_rightclick_emulate) {
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_right_button_down = false;
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_left_button_down = false;
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_left_button_clicked = false;
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} else if (ev.button.button == SDL_BUTTON_LEFT) {
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_left_button_down = false;
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_left_button_clicked = false;
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} else if (ev.button.button == SDL_BUTTON_RIGHT) {
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_right_button_down = false;
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}
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break;
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case SDL_QUIT:
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// do not ask to quit on the main screen
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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)
|
|
{
|
|
/* See if the mode is available. Ignore return value
|
|
* since we will get back a valid resolution anyways. Either exactly
|
|
* the same one, or one clamped to the closest available one */
|
|
GetAvailableVideoMode(&w, &h);
|
|
|
|
CreateMainSurface(w, h);
|
|
return true;
|
|
}
|
|
|
|
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 */
|