forked from KolibriOS/kolibrios
490 lines
8.0 KiB
C
490 lines
8.0 KiB
C
#include <unistd.h>
|
|
#include <signal.h>
|
|
#include <stdlib.h>
|
|
#include <limits.h>
|
|
#include <sys/time.h>
|
|
#include <sys/types.h>
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <ctype.h>
|
|
#include <errno.h>
|
|
#if !defined(__WIN32__) && !defined(_KOLIBRI)
|
|
#include <sys/ipc.h>
|
|
#include <sys/shm.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/wait.h>
|
|
#include <sys/mman.h>
|
|
#endif
|
|
|
|
#include "quakedef.h"
|
|
|
|
qboolean isDedicated;
|
|
|
|
int noconinput = 0;
|
|
|
|
char *basedir = ".";
|
|
|
|
cvar_t sys_linerefresh = {"sys_linerefresh","0"};// set for entity display
|
|
cvar_t sys_nostdout = {"sys_nostdout","0"};
|
|
|
|
// =======================================================================
|
|
// General routines
|
|
// =======================================================================
|
|
|
|
void Sys_DebugNumber(int y, int val)
|
|
{
|
|
}
|
|
|
|
void Sys_Printf (char *fmt, ...)
|
|
{
|
|
va_list argptr;
|
|
char text[1024];
|
|
|
|
va_start (argptr,fmt);
|
|
vsprintf (text,fmt,argptr);
|
|
va_end (argptr);
|
|
#ifdef _KOLIBRI
|
|
__menuet__debug_out(text);
|
|
#else
|
|
fprintf(stderr, "%s", text);
|
|
#endif
|
|
|
|
//Con_Print (text);
|
|
}
|
|
|
|
void Sys_Quit (void)
|
|
{
|
|
Host_Shutdown();
|
|
exit(0);
|
|
}
|
|
|
|
void Sys_Init(void)
|
|
{
|
|
#if id386
|
|
Sys_SetFPCW();
|
|
#endif
|
|
}
|
|
|
|
#if !id386
|
|
|
|
/*
|
|
================
|
|
Sys_LowFPPrecision
|
|
================
|
|
*/
|
|
void Sys_LowFPPrecision (void)
|
|
{
|
|
// causes weird problems on Nextstep
|
|
}
|
|
|
|
|
|
/*
|
|
================
|
|
Sys_HighFPPrecision
|
|
================
|
|
*/
|
|
void Sys_HighFPPrecision (void)
|
|
{
|
|
// causes weird problems on Nextstep
|
|
}
|
|
|
|
#endif // !id386
|
|
|
|
|
|
void Sys_Error (char *error, ...)
|
|
{
|
|
va_list argptr;
|
|
char string[1024];
|
|
|
|
va_start (argptr,error);
|
|
vsprintf (string,error,argptr);
|
|
va_end (argptr);
|
|
#ifdef _KOLIBRI
|
|
__menuet__debug_out("Error: ");
|
|
__menuet__debug_out(string);
|
|
__menuet__debug_out("\n");
|
|
#else
|
|
fprintf(stderr, "Error: %s\n", string);
|
|
#endif
|
|
|
|
Host_Shutdown ();
|
|
exit (1);
|
|
|
|
}
|
|
|
|
void Sys_Warn (char *warning, ...)
|
|
{
|
|
va_list argptr;
|
|
char string[1024];
|
|
|
|
va_start (argptr,warning);
|
|
vsprintf (string,warning,argptr);
|
|
va_end (argptr);
|
|
#ifdef _KOLIBRI
|
|
__menuet__debug_out("Warning: ");
|
|
__menuet__debug_out(string);
|
|
#else
|
|
fprintf(stderr, "Warning: %s", string);
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
===============================================================================
|
|
|
|
FILE IO
|
|
|
|
===============================================================================
|
|
*/
|
|
|
|
#define MAX_HANDLES 10
|
|
FILE *sys_handles[MAX_HANDLES];
|
|
|
|
int findhandle (void)
|
|
{
|
|
int i;
|
|
|
|
for (i=1 ; i<MAX_HANDLES ; i++)
|
|
if (!sys_handles[i])
|
|
return i;
|
|
Sys_Error ("out of handles");
|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
================
|
|
Qfilelength
|
|
================
|
|
*/
|
|
static int Qfilelength (FILE *f)
|
|
{
|
|
int pos;
|
|
int end;
|
|
|
|
pos = ftell (f);
|
|
fseek (f, 0, SEEK_END);
|
|
end = ftell (f);
|
|
fseek (f, pos, SEEK_SET);
|
|
|
|
return end;
|
|
}
|
|
|
|
int Sys_FileOpenRead (char *path, int *hndl)
|
|
{
|
|
FILE *f;
|
|
int i;
|
|
|
|
i = findhandle ();
|
|
|
|
f = fopen(path, "rb");
|
|
if (!f)
|
|
{
|
|
*hndl = -1;
|
|
return -1;
|
|
}
|
|
sys_handles[i] = f;
|
|
*hndl = i;
|
|
|
|
return Qfilelength(f);
|
|
}
|
|
|
|
int Sys_FileOpenWrite (char *path)
|
|
{
|
|
FILE *f;
|
|
int i;
|
|
|
|
i = findhandle ();
|
|
|
|
f = fopen(path, "wb");
|
|
if (!f)
|
|
Sys_Error ("Error opening %s: %s", path,strerror(errno));
|
|
sys_handles[i] = f;
|
|
|
|
return i;
|
|
}
|
|
|
|
void Sys_FileClose (int handle)
|
|
{
|
|
if ( handle >= 0 ) {
|
|
fclose (sys_handles[handle]);
|
|
sys_handles[handle] = NULL;
|
|
}
|
|
}
|
|
|
|
void Sys_FileSeek (int handle, int position)
|
|
{
|
|
if ( handle >= 0 ) {
|
|
fseek (sys_handles[handle], position, SEEK_SET);
|
|
}
|
|
}
|
|
|
|
int Sys_FileRead (int handle, void *dst, int count)
|
|
{
|
|
char *data;
|
|
int size, done;
|
|
|
|
size = 0;
|
|
if ( handle >= 0 ) {
|
|
data = dst;
|
|
while ( count > 0 ) {
|
|
done = fread (data, 1, count, sys_handles[handle]);
|
|
if ( done == 0 ) {
|
|
break;
|
|
}
|
|
data += done;
|
|
count -= done;
|
|
size += done;
|
|
}
|
|
}
|
|
return size;
|
|
|
|
}
|
|
|
|
int Sys_FileWrite (int handle, void *src, int count)
|
|
{
|
|
char *data;
|
|
int size, done;
|
|
|
|
size = 0;
|
|
if ( handle >= 0 ) {
|
|
data = src;
|
|
while ( count > 0 ) {
|
|
done = fread (data, 1, count, sys_handles[handle]);
|
|
if ( done == 0 ) {
|
|
break;
|
|
}
|
|
data += done;
|
|
count -= done;
|
|
size += done;
|
|
}
|
|
}
|
|
return size;
|
|
}
|
|
|
|
int Sys_FileTime (char *path)
|
|
{
|
|
FILE *f;
|
|
|
|
f = fopen(path, "rb");
|
|
if (f)
|
|
{
|
|
fclose(f);
|
|
return 1;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
void Sys_mkdir (char *path)
|
|
{
|
|
#ifdef __WIN32__
|
|
mkdir (path);
|
|
#else
|
|
mkdir (path, 0777);
|
|
#endif
|
|
}
|
|
|
|
void Sys_DebugLog(char *file, char *fmt, ...)
|
|
{
|
|
va_list argptr;
|
|
static char data[1024];
|
|
FILE *fp;
|
|
|
|
va_start(argptr, fmt);
|
|
vsprintf(data, fmt, argptr);
|
|
va_end(argptr);
|
|
fp = fopen(file, "a");
|
|
fwrite(data, strlen(data), 1, fp);
|
|
fclose(fp);
|
|
}
|
|
|
|
double Sys_FloatTime (void)
|
|
{
|
|
#if defined(_KOLIBRI)
|
|
static int starttime = 0;
|
|
|
|
if ( ! starttime )
|
|
__asm__ __volatile__("int $0x40" : "=a"(starttime) : "a"(26), "b"(9));
|
|
|
|
int curtime;
|
|
__asm__ __volatile__("int $0x40" : "=a"(curtime) : "a"(26), "b"(9));
|
|
return (curtime-starttime)*0.01;
|
|
#elif defined(__WIN32__)
|
|
|
|
static int starttime = 0;
|
|
|
|
if ( ! starttime )
|
|
starttime = clock();
|
|
|
|
return (clock()-starttime)*1.0/1024;
|
|
|
|
#else
|
|
|
|
struct timeval tp;
|
|
struct timezone tzp;
|
|
static int secbase;
|
|
|
|
gettimeofday(&tp, &tzp);
|
|
|
|
if (!secbase)
|
|
{
|
|
secbase = tp.tv_sec;
|
|
return tp.tv_usec/1000000.0;
|
|
}
|
|
|
|
return (tp.tv_sec - secbase) + tp.tv_usec/1000000.0;
|
|
|
|
#endif
|
|
}
|
|
|
|
// =======================================================================
|
|
// Sleeps for microseconds
|
|
// =======================================================================
|
|
|
|
static volatile int oktogo;
|
|
|
|
void alarm_handler(int x)
|
|
{
|
|
oktogo=1;
|
|
}
|
|
|
|
byte *Sys_ZoneBase (int *size)
|
|
{
|
|
|
|
char *QUAKEOPT = getenv("QUAKEOPT");
|
|
|
|
*size = 0xc00000;
|
|
if (QUAKEOPT)
|
|
{
|
|
while (*QUAKEOPT)
|
|
if (tolower(*QUAKEOPT++) == 'm')
|
|
{
|
|
*size = atof(QUAKEOPT) * 1024*1024;
|
|
break;
|
|
}
|
|
}
|
|
return malloc (*size);
|
|
|
|
}
|
|
|
|
void Sys_LineRefresh(void)
|
|
{
|
|
}
|
|
|
|
void Sys_Sleep(void)
|
|
{
|
|
#ifdef _KOLIBRI
|
|
__menuet__delay100(1);
|
|
#else
|
|
SDL_Delay(1);
|
|
#endif
|
|
}
|
|
|
|
#ifndef _KOLIBRI
|
|
void floating_point_exception_handler(int whatever)
|
|
{
|
|
// Sys_Warn("floating point exception\n");
|
|
signal(SIGFPE, floating_point_exception_handler);
|
|
}
|
|
#endif
|
|
|
|
void moncontrol(int x)
|
|
{
|
|
}
|
|
|
|
int main (int c, char **v)
|
|
{
|
|
|
|
double time, oldtime, newtime;
|
|
quakeparms_t parms;
|
|
extern int vcrFile;
|
|
extern qboolean recording;
|
|
static int frame;
|
|
|
|
moncontrol(0);
|
|
|
|
#ifndef _KOLIBRI
|
|
// signal(SIGFPE, floating_point_exception_handler);
|
|
signal(SIGFPE, SIG_IGN);
|
|
#endif
|
|
|
|
parms.memsize = 8*1024*1024;
|
|
parms.membase = malloc (parms.memsize);
|
|
parms.basedir = basedir;
|
|
parms.cachedir = NULL;
|
|
|
|
COM_InitArgv(c, v);
|
|
parms.argc = com_argc;
|
|
parms.argv = com_argv;
|
|
|
|
Sys_Init();
|
|
|
|
Host_Init(&parms);
|
|
|
|
Cvar_RegisterVariable (&sys_nostdout);
|
|
|
|
oldtime = Sys_FloatTime () - 0.1;
|
|
while (1)
|
|
{
|
|
// find time spent rendering last frame
|
|
newtime = Sys_FloatTime ();
|
|
time = newtime - oldtime;
|
|
|
|
if (cls.state == ca_dedicated)
|
|
{ // play vcrfiles at max speed
|
|
if (time < sys_ticrate.value && (vcrFile == -1 || recording) )
|
|
{
|
|
#ifdef _KOLIBRI
|
|
__menuet__delay100(1);
|
|
#else
|
|
SDL_Delay (1);
|
|
#endif
|
|
continue; // not time to run a server only tic yet
|
|
}
|
|
time = sys_ticrate.value;
|
|
}
|
|
|
|
if (time > sys_ticrate.value*2)
|
|
oldtime = newtime;
|
|
else
|
|
oldtime += time;
|
|
|
|
if (++frame > 10)
|
|
moncontrol(1); // profile only while we do each Quake frame
|
|
Host_Frame (time);
|
|
moncontrol(0);
|
|
|
|
// graphic debugging aids
|
|
if (sys_linerefresh.value)
|
|
Sys_LineRefresh ();
|
|
}
|
|
|
|
}
|
|
|
|
|
|
/*
|
|
================
|
|
Sys_MakeCodeWriteable
|
|
================
|
|
*/
|
|
void Sys_MakeCodeWriteable (unsigned long startaddr, unsigned long length)
|
|
{
|
|
#ifndef _KOLIBRI
|
|
int r;
|
|
unsigned long addr;
|
|
int psize = getpagesize();
|
|
|
|
fprintf(stderr, "writable code %lx-%lx\n", startaddr, startaddr+length);
|
|
|
|
addr = startaddr & ~(psize-1);
|
|
|
|
r = mprotect((char*)addr, length + startaddr - addr, 7);
|
|
|
|
if (r < 0)
|
|
Sys_Error("Protection change failed\n");
|
|
#endif
|
|
}
|
|
|