mirror of
https://github.com/libretro/libretro-tyrquake.git
synced 2024-11-23 08:00:17 +00:00
433 lines
8.7 KiB
C
433 lines
8.7 KiB
C
/*
|
|
Copyright (C) 1996-1997 Id Software, Inc.
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
|
|
See the GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
*/
|
|
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/time.h>
|
|
#include <sys/types.h>
|
|
#include <time.h>
|
|
#include <unistd.h>
|
|
|
|
#ifndef SERVERONLY
|
|
#include <signal.h>
|
|
#include <sys/ipc.h>
|
|
#include <sys/mman.h>
|
|
#endif
|
|
|
|
#include "common.h"
|
|
#include "sys.h"
|
|
#include "zone.h"
|
|
|
|
#ifdef SERVERONLY
|
|
#include "cvar.h"
|
|
#include "net.h"
|
|
#include "qwsvdef.h"
|
|
#include "server.h"
|
|
#else
|
|
#include "quakedef.h"
|
|
#endif
|
|
|
|
#ifdef NQ_HACK
|
|
#include "client.h"
|
|
#include "host.h"
|
|
qboolean isDedicated;
|
|
#endif
|
|
|
|
#ifdef SERVERONLY
|
|
static cvar_t sys_nostdout = { "sys_nostdout", "0" };
|
|
static cvar_t sys_extrasleep = { "sys_extrasleep", "0" };
|
|
static qboolean stdin_ready;
|
|
static int do_stdin = 1;
|
|
#else
|
|
static qboolean noconinput = false;
|
|
static qboolean nostdout = false;
|
|
#endif
|
|
|
|
/*
|
|
* ===========================================================================
|
|
* General Routines
|
|
* ===========================================================================
|
|
*/
|
|
|
|
void
|
|
Sys_Printf(const char *fmt, ...)
|
|
{
|
|
va_list argptr;
|
|
char text[MAX_PRINTMSG];
|
|
unsigned char *p;
|
|
|
|
va_start(argptr, fmt);
|
|
vsnprintf(text, sizeof(text), fmt, argptr);
|
|
va_end(argptr);
|
|
|
|
#ifdef SERVERONLY
|
|
if (sys_nostdout.value)
|
|
return;
|
|
#else
|
|
if (nostdout)
|
|
return;
|
|
#endif
|
|
|
|
for (p = (unsigned char *)text; *p; p++) {
|
|
#ifdef SERVERONLY
|
|
*p &= 0x7f;
|
|
#endif
|
|
if ((*p > 128 || *p < 32) && *p != 10 && *p != 13 && *p != 9)
|
|
printf("[%02x]", *p);
|
|
else
|
|
putc(*p, stdout);
|
|
}
|
|
#ifdef SERVERONLY
|
|
fflush(stdout);
|
|
#endif
|
|
}
|
|
|
|
void
|
|
Sys_Quit(void)
|
|
{
|
|
#ifndef SERVERONLY
|
|
Host_Shutdown();
|
|
fcntl(STDIN_FILENO, F_SETFL,
|
|
fcntl(STDIN_FILENO, F_GETFL, 0) & ~O_NONBLOCK);
|
|
fflush(stdout);
|
|
#endif
|
|
exit(0);
|
|
}
|
|
|
|
void
|
|
Sys_Init(void)
|
|
{
|
|
#ifdef SERVERONLY
|
|
Cvar_RegisterVariable(&sys_nostdout);
|
|
Cvar_RegisterVariable(&sys_extrasleep);
|
|
#else
|
|
Sys_SetFPCW();
|
|
#endif
|
|
}
|
|
|
|
void
|
|
Sys_Error(const char *error, ...)
|
|
{
|
|
va_list argptr;
|
|
char string[MAX_PRINTMSG];
|
|
|
|
#ifndef SERVERONLY
|
|
/* remove non-blocking flag from standard input */
|
|
int flags = fcntl(STDIN_FILENO, F_GETFL, 0);
|
|
fcntl(STDIN_FILENO, F_SETFL, flags & ~O_NONBLOCK);
|
|
#endif
|
|
|
|
va_start(argptr, error);
|
|
vsnprintf(string, sizeof(string), error, argptr);
|
|
va_end(argptr);
|
|
fprintf(stderr, "Error: %s\n", string);
|
|
|
|
#ifndef SERVERONLY
|
|
Host_Shutdown();
|
|
#endif
|
|
exit(1);
|
|
}
|
|
|
|
/*
|
|
============
|
|
Sys_FileTime
|
|
|
|
returns -1 if not present
|
|
============
|
|
*/
|
|
int
|
|
Sys_FileTime(const char *path)
|
|
{
|
|
struct stat buf;
|
|
|
|
if (stat(path, &buf) == -1)
|
|
return -1;
|
|
|
|
return buf.st_mtime;
|
|
}
|
|
|
|
void
|
|
Sys_mkdir(const char *path)
|
|
{
|
|
#ifdef SERVERONLY
|
|
if (mkdir(path, 0777) != -1)
|
|
return;
|
|
if (errno != EEXIST)
|
|
Sys_Error("mkdir %s: %s", path, strerror(errno));
|
|
#else
|
|
mkdir(path, 0777);
|
|
#endif
|
|
}
|
|
|
|
double
|
|
Sys_DoubleTime(void)
|
|
{
|
|
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;
|
|
}
|
|
|
|
#if defined(NQ_HACK) || defined(SERVERONLY)
|
|
/*
|
|
================
|
|
Sys_ConsoleInput
|
|
|
|
Checks for a complete line of text typed in at the console, then forwards
|
|
it to the host command processor
|
|
================
|
|
*/
|
|
char *
|
|
Sys_ConsoleInput(void)
|
|
{
|
|
static char text[256];
|
|
int len;
|
|
#ifdef NQ_HACK
|
|
fd_set fdset;
|
|
struct timeval timeout;
|
|
|
|
if (cls.state != ca_dedicated)
|
|
return NULL;
|
|
|
|
FD_ZERO(&fdset);
|
|
FD_SET(STDIN_FILENO, &fdset);
|
|
timeout.tv_sec = 0;
|
|
timeout.tv_usec = 0;
|
|
if (select(STDIN_FILENO + 1, &fdset, NULL, NULL, &timeout) == -1
|
|
|| !FD_ISSET(STDIN_FILENO, &fdset))
|
|
return NULL;
|
|
#endif
|
|
#ifdef SERVERONLY
|
|
/* check that the select returned ready */
|
|
if (!stdin_ready || !do_stdin)
|
|
return NULL;
|
|
stdin_ready = false;
|
|
#endif
|
|
|
|
len = read(STDIN_FILENO, text, sizeof(text));
|
|
#ifdef SERVERONLY
|
|
if (len == 0)
|
|
do_stdin = 0; /* end of file */
|
|
#endif
|
|
if (len < 1)
|
|
return NULL;
|
|
text[len - 1] = 0; /* remove the /n and terminate */
|
|
|
|
return text;
|
|
}
|
|
#endif /* NQ_HACK || SERVERONLY */
|
|
|
|
#ifndef SERVERONLY
|
|
void
|
|
Sys_Sleep(void)
|
|
{
|
|
struct timespec ts;
|
|
|
|
ts.tv_sec = 0;
|
|
ts.tv_nsec = 1000000;
|
|
|
|
while (nanosleep(&ts, &ts) == -1)
|
|
if (errno != EINTR)
|
|
break;
|
|
}
|
|
|
|
void
|
|
Sys_DebugLog(const char *file, const char *fmt, ...)
|
|
{
|
|
va_list argptr;
|
|
static char data[MAX_PRINTMSG];
|
|
int fd;
|
|
|
|
va_start(argptr, fmt);
|
|
vsnprintf(data, sizeof(data), fmt, argptr);
|
|
va_end(argptr);
|
|
fd = open(file, O_WRONLY | O_CREAT | O_APPEND, 0666);
|
|
write(fd, data, strlen(data));
|
|
close(fd);
|
|
}
|
|
|
|
#ifndef USE_X86_ASM
|
|
void Sys_HighFPPrecision(void) {}
|
|
void Sys_LowFPPrecision(void) {}
|
|
void Sys_SetFPCW(void) {}
|
|
#endif
|
|
|
|
/*
|
|
================
|
|
Sys_MakeCodeWriteable
|
|
================
|
|
*/
|
|
void
|
|
Sys_MakeCodeWriteable(void *start_addr, void *end_addr)
|
|
{
|
|
#ifdef USE_X86_ASM
|
|
void *addr;
|
|
size_t length;
|
|
intptr_t pagesize;
|
|
int result;
|
|
|
|
pagesize = getpagesize();
|
|
addr = (void *)((intptr_t)start_addr & ~(pagesize - 1));
|
|
length = ((byte *)end_addr - (byte *)addr) + pagesize - 1;
|
|
length &= ~(pagesize - 1);
|
|
result = mprotect(addr, length, PROT_READ | PROT_WRITE | PROT_EXEC);
|
|
if (result < 0)
|
|
Sys_Error("Protection change failed");
|
|
#endif
|
|
}
|
|
#endif /* !SERVERONLY */
|
|
|
|
/*
|
|
* ===========================================================================
|
|
* Main
|
|
* ===========================================================================
|
|
*/
|
|
|
|
int
|
|
main(int argc, const char *argv[])
|
|
{
|
|
double time, oldtime, newtime;
|
|
quakeparms_t parms;
|
|
#ifdef SERVERONLY
|
|
fd_set fdset;
|
|
struct timeval timeout;
|
|
#endif
|
|
|
|
#ifndef SERVERONLY
|
|
signal(SIGFPE, SIG_IGN);
|
|
#endif
|
|
|
|
memset(&parms, 0, sizeof(parms));
|
|
|
|
COM_InitArgv(argc, argv);
|
|
parms.argc = com_argc;
|
|
parms.argv = com_argv;
|
|
parms.basedir = stringify(QBASEDIR);
|
|
parms.memsize = Memory_GetSize();
|
|
parms.membase = malloc(parms.memsize);
|
|
if (!parms.membase)
|
|
Sys_Error("Allocation of %d byte heap failed", parms.memsize);
|
|
|
|
#ifdef SERVERONLY
|
|
SV_Init(&parms);
|
|
|
|
/* run one frame immediately for first heartbeat */
|
|
SV_Frame(0.1);
|
|
#else
|
|
if (COM_CheckParm("-noconinput"))
|
|
noconinput = true;
|
|
if (COM_CheckParm("-nostdout"))
|
|
nostdout = true;
|
|
|
|
// Make stdin non-blocking
|
|
// FIXME - check both return values
|
|
if (!noconinput)
|
|
fcntl(STDIN_FILENO, F_SETFL,
|
|
fcntl(STDIN_FILENO, F_GETFL, 0) | O_NONBLOCK);
|
|
if (!nostdout)
|
|
#ifdef NQ_HACK
|
|
printf("Quake -- TyrQuake Version %s\n", stringify(TYR_VERSION));
|
|
#endif
|
|
#ifdef QW_HACK
|
|
printf("QuakeWorld -- TyrQuake Version %s\n", stringify(TYR_VERSION));
|
|
#endif
|
|
|
|
Sys_Init();
|
|
Host_Init(&parms);
|
|
#endif /* SERVERONLY */
|
|
|
|
/*
|
|
* Main Loop
|
|
*/
|
|
#if defined(NQ_HACK) || defined(SERVERONLY)
|
|
oldtime = Sys_DoubleTime() - 0.1;
|
|
#else
|
|
oldtime = Sys_DoubleTime();
|
|
#endif
|
|
while (1) {
|
|
#ifdef SERVERONLY
|
|
/*
|
|
* select on the net socket and stdin
|
|
* the only reason we have a timeout at all is so that if the last
|
|
* connected client times out, the message would not otherwise
|
|
* be printed until the next event.
|
|
*/
|
|
FD_ZERO(&fdset);
|
|
if (do_stdin)
|
|
FD_SET(0, &fdset);
|
|
FD_SET(net_socket, &fdset);
|
|
timeout.tv_sec = 1;
|
|
timeout.tv_usec = 0;
|
|
if (select(net_socket + 1, &fdset, NULL, NULL, &timeout) == -1)
|
|
continue;
|
|
stdin_ready = FD_ISSET(0, &fdset);
|
|
#endif
|
|
|
|
/* find time passed since last cycle */
|
|
newtime = Sys_DoubleTime();
|
|
time = newtime - oldtime;
|
|
|
|
#ifdef NQ_HACK
|
|
if (cls.state == ca_dedicated) {
|
|
if (time < sys_ticrate.value) {
|
|
usleep(1);
|
|
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;
|
|
#endif
|
|
#ifdef QW_HACK
|
|
oldtime = newtime;
|
|
#endif
|
|
|
|
#ifdef SERVERONLY
|
|
SV_Frame(time);
|
|
|
|
/*
|
|
* extrasleep is just a way to generate a fucked up connection
|
|
* on purpose
|
|
*/
|
|
if (sys_extrasleep.value)
|
|
usleep(sys_extrasleep.value);
|
|
#else
|
|
Host_Frame(time);
|
|
#endif
|
|
}
|
|
|
|
return 0;
|
|
}
|