static void
grg_compile_re (regex_t* regex, const char* pat, int cflags)
{
int err = regcomp(regex, pat, cflags);
if (err) {
char errbuf[1024];
regerror(err, regex, errbuf, 1024);
g_critical("pattern `%s': %s", pat, errbuf);
emergency_quit();
}
}
/*
* Check that all reallocs return no errors
*/
gpointer
grg_realloc(gpointer ptr, gulong length)
{
gpointer ret = g_try_realloc(ptr, length);
#ifdef MAINTAINER_MODE
// warn if a realloc(0) is attempted
if (!length)
g_warning("zero-length realloc() requested!");
#endif
if (ret)
return ret;
printf("error: malloc failed. Probably this indicates a memory "
"problem, such as resource exhaustion. Attempting "
"to exit cleanly...");
emergency_quit();
return ret;
}
/*
* Check that all mallocs return no errors
*/
gpointer
grg_malloc(gulong length)
{
gpointer ret = g_try_malloc(length);
#ifdef MAINTAINER_MODE
/* warn if a malloc(0) is attempted */
if (!length)
g_warning("zero-length malloc() requested!");
#endif
if (ret)
return ret;
printf("error: malloc failed. Probably this indicates a memory "
"problem, such as resource exhaustion. Attempting "
"to exit cleanly...");
emergency_quit();
/* never really reached ;-) */
return NULL;
}
//simple demo:
int main (int argc, char *argv[])
{
//issue
printf("\n -=[ Hello, and welcome to RollCageX version %s ]=-\n\n", VERSION);
printf(" Copyright (C) 2009, This program comes with ABSOLUTELY NO WARRANTY; see\n \"license.txt\" for details\n\n");
printf(" This is free software, and you are welcome to redistribute it and/or modify\n it under the GNU General Public License as published by the Free Software\n Foundation, version 3 or (at your option) later\n\n");
printf("= Credits (nicknames refers to usernames on the gorcx.net forum):\n");
printf(" \"MaAkaJon\"\t\tproject creator\n");
printf(" \"Soul Slinger\"\tcoder (created this and the earlier versions)\n");
printf(" All of you on the planetrollcage.com and gorcx.net forums!\n\n");
printf("* Projects that made RCX possible:\n");
printf(" GNU\t\t\t\tdefines computer freedom itself... :-)\n");
printf(" Simple DirectMedia Layer\twindow handling, input/outputs\n");
printf(" Open Dynamics Engine\trigid body dynamics\n");
printf("= End of credits\n\n");
printf(" Default controls (can be changed in profile):\n");
printf(" > Arrow keys: Steering and throttling\n");
printf(" > Spacebar: Drifting break\n");
printf(" > Left Alt: Soft breaks\n");
printf(" > Q and E: change camera distance along Z axis\n");
printf(" > A and D: change camera distance along X axis\n");
printf(" > W and S: change camera distance along Y axis\n");
printf(" > F1 to F4: change camera settings\n");
printf(" > F5: spawn box\n");
printf(" > F6: spawn box (10s above ground)\n\n");
//end of issue
if (argc != 1)
printf("(Passing arguments - not supported)\n\n");
//printlog needs internal.verbosity, set it to default value
printf("(verbosity level is assumed \"1\" until read from internal conf)\n");
internal.verbosity = 1;
//check if program was called with another pwd (got '/' in "name")
int count;
for (count = strlen(argv[0]); count != -1; --count)
if (argv[0][count] == '/')
{
char pwd[count+2]; //1 for \0 and 1 for [0]
strncpy (pwd, argv[0], count+1);
pwd[count+1] = '\0';
printf ("(changing pwd: %s)\n", pwd);
chdir (pwd);
break;
}
if (load_conf ((char *)"data/internal.conf", (char *)&internal, internal_index))
return -1;
if (graphics_init())
return -1;
//<insert menu here>
profile *prof = load_profile ((char *)"data/profiles/default");
if (!prof)
return -1;
venom = load_car((char *)"data/teams/Nemesis/cars/Venom");
if (!venom)
emergency_quit();
prof->car = venom;
camera.car = venom;
//menu done, race selected, starting race...
if (physics_init())
{
graphics_quit();
return -1;
}
if (load_track((char *)"data/worlds/Sandbox/tracks/Box"))
emergency_quit();
//load box for online spawning
box = load_object((char *)"data/objects/misc/box");
sphere = load_object((char *)"data/objects/misc/sphere");
if (!box)
emergency_quit();
spawn_car (venom, track.start[0], track.start[1], track.start[2]);
focused_car = venom;
//single-thread function
//WARNING: Don't run the game constantly for more than around 49 days!
//(or the realtime will wrap, and the timing solution will go crazy)
Uint32 simtime = SDL_GetTicks(); //set simulated time to realtime
Uint32 realtime; //real time (with possible delay since last update)
Uint32 stepsize_ms = internal.stepsize*1000+0.0001; //calculate stepsize from s to ms (append 0.0001 for correct conversion)
printlog (0, "\n-> Starting Race\n");
runlevel = running;
while (runlevel == running)
{
event_step(stepsize_ms); //always check for events
physics_step();
simtime += stepsize_ms;
//if realtime is larger than simtime (and graphics threshold)
if (SDL_GetTicks()+internal.threshold > simtime)
{
printlog(2, "\nWarning: simtime less than realtime (to low stepsize), dropping frame..\n\n");
++stepsize_warnings;
}
else //we got time left to draw frame on
{
graphics_step(stepsize_ms);
realtime = SDL_GetTicks();
if (simtime > realtime)
{
SDL_Delay (simtime - realtime);
}
else
{
printlog(2, "\nWarning: (not sleeping, realtime became to high (to low treshold?))\n");
++threshold_warnings;
}
}
}
printlog(0, "-> Race done!\n");
free_all();
physics_quit();
//race done
//<insert menu here>
//menu done, quit selected, ending graphics and terminating program
graphics_quit();
printlog(0, "\n<-- Some basic info: -->\n");
printlog(0, "(does not interest most people)\n");
printlog(0, "Race time (ms): %i\n", simtime);
printlog(0, "Stepsize-to-low (framedrop) warnings: %i\n", stepsize_warnings);
printlog(0, "Graphics-threshold-to-low warnings: %i\n", threshold_warnings);
printlog(0, "\nBye!\n\n");
return 0;
}