-
-#ifdef WIN32
-#include "conio.h"
-#else
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/time.h>
-#endif
-
-#include <signal.h>
-
-#include "quakedef.h"
-
+/*
+ * Include this BEFORE darkplaces.h because it breaks wrapping
+ * _Static_assert. Cloudwalk has no idea how or why so don't ask.
+ */
#include <SDL.h>
+#include "darkplaces.h"
+
#ifdef WIN32
-cvar_t sys_usetimegettime = {CVAR_SAVE, "sys_usetimegettime", "1"};
+#ifdef _MSC_VER
+#pragma comment(lib, "sdl2.lib")
+#pragma comment(lib, "sdl2main.lib")
#endif
+#endif
+
// =======================================================================
// General routines
// =======================================================================
-void Sys_Shutdown (void)
+void Sys_SDL_Shutdown(void)
{
-#ifndef WIN32
- fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~FNDELAY);
-#endif
- fflush(stdout);
SDL_Quit();
}
-
-
-void Sys_Error (const char *error, ...)
-{
- va_list argptr;
- char string[1024];
-
-// change stdin to non blocking
-#ifndef WIN32
- fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~FNDELAY);
-#endif
-
- va_start (argptr,error);
- vsnprintf (string, sizeof (string), error, argptr);
- va_end (argptr);
- fprintf(stderr, "Error: %s\n", string);
-
- Con_Print ("Quake Error: ");
- Con_Print (string);
- Con_Print ("\n");
-
- Host_Shutdown ();
- exit (1);
-}
-void Sys_PrintToTerminal(const char *text)
+// Sys_Error early in startup might screw with automated
+// workflows or something if we show the dialog by default.
+static qbool nocrashdialog = true;
+void Sys_SDL_Dialog(const char *title, const char *string)
{
- printf("%s", text);
+ if(!nocrashdialog)
+ SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, title, string, NULL);
}
-double Sys_DoubleTime (void)
+char *Sys_SDL_GetClipboardData (void)
{
- static int first = true;
- static double oldtime = 0.0, curtime = 0.0;
- double newtime;
-#ifdef WIN32
- // LordHavoc: note to people modifying this code, DWORD is specifically defined as an unsigned 32bit number, therefore the 65536.0 * 65536.0 is fine.
- if (!sys_usetimegettime.integer)
- {
- // QueryPerformanceCounter
- // platform:
- // Windows 95/98/ME/NT/2000/XP
- // features:
- // very accurate (CPU cycles)
- // known issues:
- // does not necessarily match realtime too well (tends to get faster and faster in win98)
- // wraps around occasionally on some platforms (depends on CPU speed and probably other unknown factors)
- double timescale;
- LARGE_INTEGER PerformanceFreq;
- LARGE_INTEGER PerformanceCount;
-
- if (!QueryPerformanceFrequency (&PerformanceFreq))
- Sys_Error ("No hardware timer available");
- QueryPerformanceCounter (&PerformanceCount);
-
- #ifdef __BORLANDC__
- timescale = 1.0 / ((double) PerformanceFreq.u.LowPart + (double) PerformanceFreq.u.HighPart * 65536.0 * 65536.0);
- newtime = ((double) PerformanceCount.u.LowPart + (double) PerformanceCount.u.HighPart * 65536.0 * 65536.0) * timescale;
- #else
- timescale = 1.0 / ((double) PerformanceFreq.LowPart + (double) PerformanceFreq.HighPart * 65536.0 * 65536.0);
- newtime = ((double) PerformanceCount.LowPart + (double) PerformanceCount.HighPart * 65536.0 * 65536.0) * timescale;
- #endif
- } else
-#endif
- newtime = (double) SDL_GetTicks() / 1000.0;
-
-
- if (first)
- {
- first = false;
- oldtime = newtime;
- }
+ char *data = NULL;
+ char *cliptext;
- if (newtime < oldtime)
- {
- // warn if it's significant
- if (newtime - oldtime < -0.01)
- Con_Printf("Sys_DoubleTime: time stepped backwards (went from %f to %f, difference %f)\n", oldtime, newtime, newtime - oldtime);
+ cliptext = SDL_GetClipboardText();
+ if (cliptext != NULL) {
+ size_t allocsize;
+ allocsize = min(MAX_INPUTLINE, strlen(cliptext) + 1);
+ data = (char *)Z_Malloc (allocsize);
+ dp_strlcpy (data, cliptext, allocsize);
+ SDL_free(cliptext);
}
- else
- curtime += newtime - oldtime;
- oldtime = newtime;
- return curtime;
+ return data;
}
-char *Sys_ConsoleInput(void)
+void Sys_SDL_Init(void)
{
- if (cls.state == ca_dedicated)
- {
- static char text[256];
- int len = 0;
-#ifdef WIN32
- int c;
+ // we don't know which systems we'll want to init, yet...
+ if (SDL_Init(0) < 0)
+ Sys_Error("SDL_Init failed: %s\n", SDL_GetError());
- // read a line out
- while (_kbhit ())
- {
- c = _getch ();
- putch (c);
- if (c == '\r')
- {
- text[len] = 0;
- putch ('\n');
- len = 0;
- return text;
- }
- if (c == 8)
- {
- if (len)
- {
- putch (' ');
- putch (c);
- len--;
- text[len] = 0;
- }
- continue;
- }
- text[len] = c;
- len++;
- text[len] = 0;
- if (len == sizeof (text))
- len = 0;
- }
-#else
- fd_set fdset;
- struct timeval timeout;
- FD_ZERO(&fdset);
- FD_SET(0, &fdset); // stdin
- timeout.tv_sec = 0;
- timeout.tv_usec = 0;
- if (select (1, &fdset, NULL, NULL, &timeout) != -1 && FD_ISSET(0, &fdset))
- {
- len = read (0, text, sizeof(text));
- if (len >= 1)
- {
- // rip off the \n and terminate
- text[len-1] = 0;
- return text;
- }
- }
-#endif
- }
- return NULL;
+ // COMMANDLINEOPTION: sdl: -nocrashdialog disables "Engine Error" crash dialog boxes
+ if(!Sys_CheckParm("-nocrashdialog"))
+ nocrashdialog = false;
}
-void Sys_Sleep(int milliseconds)
+qbool sys_supportsdlgetticks = true;
+unsigned int Sys_SDL_GetTicks (void)
{
- if (milliseconds < 1)
- milliseconds = 1;
- SDL_Delay(milliseconds);
+ return SDL_GetTicks();
}
-
-char *Sys_GetClipboardData (void)
+void Sys_SDL_Delay (unsigned int milliseconds)
{
-#ifdef WIN32
- char *data = NULL;
- char *cliptext;
-
- if (OpenClipboard (NULL) != 0)
- {
- HANDLE hClipboardData;
-
- if ((hClipboardData = GetClipboardData (CF_TEXT)) != 0)
- {
- if ((cliptext = GlobalLock (hClipboardData)) != 0)
- {
- data = malloc (GlobalSize(hClipboardData)+1);
- strcpy (data, cliptext);
- GlobalUnlock (hClipboardData);
- }
- }
- CloseClipboard ();
- }
- return data;
-#else
- return NULL;
-#endif
+ SDL_Delay(milliseconds);
}
-int SDL_main (int argc, char *argv[])
+int main(int argc, char *argv[])
{
- double frameoldtime, framenewtime;
-
- signal(SIGFPE, SIG_IGN);
-
- com_argc = argc;
- com_argv = argv;
-
-#ifndef WIN32
- fcntl(0, F_SETFL, fcntl (0, F_GETFL, 0) | FNDELAY);
-#endif
-
- Sys_Shared_EarlyInit();
-
-#ifdef WIN32
- Cvar_RegisterVariable(&sys_usetimegettime);
-#endif
-
- Host_Init();
-
- Sys_Shared_LateInit();
-
- frameoldtime = Sys_DoubleTime () - 0.1;
- while (1)
- {
- // find time spent rendering last frame
- framenewtime = Sys_DoubleTime ();
-
- Host_Frame (framenewtime - frameoldtime);
-
- frameoldtime = framenewtime;
- }
- return 0;
+ return Sys_Main(argc, argv);
}
projects / xonotic / darkplaces.git / blobdiff