mirror of
https://github.com/libretro/libretro-tyrquake.git
synced 2024-11-29 11:10:55 +00:00
435 lines
13 KiB
C
435 lines
13 KiB
C
/*
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <unistd.h>
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#include <signal.h>
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#include <stdlib.h>
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#include <limits.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <sys/ipc.h>
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#include <sys/shm.h>
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#include <sys/stat.h>
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#include <string.h>
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#include <ctype.h>
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#include <sys/wait.h>
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#include <sys/mman.h>
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#include <errno.h>
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#include "client.h"
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#include "common.h"
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#include "host.h"
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#include "net_vcr.h"
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#include "quakedef.h"
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#include "sys.h"
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qboolean isDedicated;
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static qboolean noconinput = false;
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static qboolean nostdout = false;
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char *basedir = ".";
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char *cachedir = "/tmp";
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// FIXME - Used in NQ, not QW... why?
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// set for entity display
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cvar_t sys_linerefresh = { "sys_linerefresh", "0" };
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// =======================================================================
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// General routines
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// =======================================================================
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void
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Sys_Printf(char *fmt, ...)
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{
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va_list argptr;
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char text[2048];
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unsigned char *p;
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int cnt;
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va_start(argptr, fmt);
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cnt = vsnprintf(text, sizeof(text) - 1, fmt, argptr);
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va_end(argptr);
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// FIXME - require glibc >= 2.1 for C99 standard return value
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if (cnt >= sizeof(text))
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Sys_Error("memory overwrite in Sys_Printf");
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if (nostdout)
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return;
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// FIXME - compare with NQ + use ctype functions?
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for (p = (unsigned char *)text; *p; p++) {
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if ((*p > 128 || *p < 32) && *p != 10 && *p != 13 && *p != 9)
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printf("[%02x]", *p);
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else
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putc(*p, stdout);
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}
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}
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#if 0
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static char end1[] =
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"\x1b[?7h\x1b[40m\x1b[2J\x1b[0;1;41m\x1b[1;1H QUAKE: The Doomed Dimension \x1b[33mby \x1b[44mid\x1b[41m Software \x1b[2;1H ---------------------------------------------------------------------------- \x1b[3;1H CALL 1-800-IDGAMES TO ORDER OR FOR TECHNICAL SUPPORT \x1b[4;1H PRICE: $45.00 (PRICES MAY VARY OUTSIDE THE US.) \x1b[5;1H \x1b[6;1H \x1b[37mYes! You only have one fourth of this incredible epic. That is because most \x1b[7;1H of you have paid us nothing or at most, very little. You could steal the \x1b[8;1H game from a friend. But we both know you'll be punished by God if you do. \x1b[9;1H \x1b[33mWHY RISK ETERNAL DAMNATION? CALL 1-800-IDGAMES AND BUY NOW! \x1b[10;1H \x1b[37mRemember, we love you almost as much as He does. \x1b[11;1H \x1b[12;1H \x1b[33mProgramming: \x1b[37mJohn Carmack, Michael Abrash, John Cash \x1b[13;1H \x1b[33mDesign: \x1b[37mJohn Romero, Sandy Petersen, American McGee, Tim Willits \x1b[14;1H \x1b[33mArt: \x1b[37mAdrian Carmack, Kevin Cloud \x1b[15;1H \x1b[33mBiz: \x1b[37mJay Wilbur, Mike Wilson, Donna Jackson \x1b[16;1H \x1b[33mProjects: \x1b[37mShawn Green \x1b[33mSupport: \x1b[37mBarrett Alexander \x1b[17;1H \x1b[33mSound Effects: \x1b[37mTrent Reznor and Nine Inch Nails \x1b[18;1H For other information or details on ordering outside the US, check out the \x1b[19;1H files accompanying QUAKE or our website at http://www.idsoftware.com. \x1b[20;1H \x1b[0;41mQuake is a trademark of Id Software, inc., (c)1996 Id Software, inc. \x1b[21;1H All rights reserved. NIN logo is a registered trademark licensed to \x1b[22;1H Nothing Interactive, Inc. All rights reserved. \x1b[40m\x1b[23;1H\x1b[0m";
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static char end2[] =
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"\x1b[?7h\x1b[40m\x1b[2J\x1b[0;1;41m\x1b[1;1H QUAKE \x1b[33mby \x1b[44mid\x1b[41m Software \x1b[2;1H ----------------------------------------------------------------------------- \x1b[3;1H \x1b[37mWhy did you quit from the registered version of QUAKE? Did the \x1b[4;1H scary monsters frighten you? Or did Mr. Sandman tug at your \x1b[5;1H little lids? No matter! What is important is you love our \x1b[6;1H game, and gave us your money. Congratulations, you are probably \x1b[7;1H not a thief. \x1b[8;1H Thank You. \x1b[9;1H \x1b[33;44mid\x1b[41m Software is: \x1b[10;1H PROGRAMMING: \x1b[37mJohn Carmack, Michael Abrash, John Cash \x1b[11;1H \x1b[33mDESIGN: \x1b[37mJohn Romero, Sandy Petersen, American McGee, Tim Willits \x1b[12;1H \x1b[33mART: \x1b[37mAdrian Carmack, Kevin Cloud \x1b[13;1H \x1b[33mBIZ: \x1b[37mJay Wilbur, Mike Wilson \x1b[33mPROJECTS MAN: \x1b[37mShawn Green \x1b[14;1H \x1b[33mBIZ ASSIST: \x1b[37mDonna Jackson \x1b[33mSUPPORT: \x1b[37mBarrett Alexander \x1b[15;1H \x1b[33mSOUND EFFECTS AND MUSIC: \x1b[37mTrent Reznor and Nine Inch Nails \x1b[16;1H \x1b[17;1H If you need help running QUAKE refer to the text files in the \x1b[18;1H QUAKE directory, or our website at http://www.idsoftware.com. \x1b[19;1H If all else fails, call our technical support at 1-800-IDGAMES. \x1b[20;1H \x1b[0;41mQuake is a trademark of Id Software, inc., (c)1996 Id Software, inc. \x1b[21;1H All rights reserved. NIN logo is a registered trademark licensed \x1b[22;1H to Nothing Interactive, Inc. All rights reserved. \x1b[23;1H\x1b[40m\x1b[0m";
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#endif
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void
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Sys_Quit(void)
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{
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Host_Shutdown();
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fcntl(STDIN_FILENO, F_SETFL,
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fcntl(STDIN_FILENO, F_GETFL, 0) & ~O_NONBLOCK);
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#if 0
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if (registered.value)
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printf("%s", end2);
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else
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printf("%s", end1);
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#endif
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fflush(stdout);
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exit(0);
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}
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void
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Sys_Init(void)
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{
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#if id386
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Sys_SetFPCW();
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#endif
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}
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void
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Sys_Error(char *error, ...)
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{
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va_list argptr;
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char string[1024];
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// change stdin to non blocking
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fcntl(STDIN_FILENO, F_SETFL,
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fcntl(STDIN_FILENO, F_GETFL, 0) & ~O_NONBLOCK);
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va_start(argptr, error);
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vsprintf(string, error, argptr);
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va_end(argptr);
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fprintf(stderr, "Error: %s\n", string);
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Host_Shutdown();
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exit(1);
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}
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/*
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============
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Sys_FileTime
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returns -1 if not present
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============
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*/
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int
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Sys_FileTime(const char *path)
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{
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struct stat buf;
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if (stat(path, &buf) == -1)
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return -1;
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return buf.st_mtime;
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}
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void
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Sys_mkdir(const char *path)
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{
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mkdir(path, 0777);
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}
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int
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Sys_FileOpenRead(const char *path, int *handle)
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{
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int h;
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struct stat fileinfo;
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h = open(path, O_RDONLY, 0666);
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*handle = h;
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if (h == -1)
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return -1;
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if (fstat(h, &fileinfo) == -1)
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Sys_Error("Error fstating %s", path);
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return fileinfo.st_size;
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}
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int
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Sys_FileOpenWrite(const char *path)
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{
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int handle;
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umask(0);
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handle = open(path, O_RDWR | O_CREAT | O_TRUNC, 0666);
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if (handle == -1)
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Sys_Error("Error opening %s: %s", path, strerror(errno));
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return handle;
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}
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int
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Sys_FileWrite(int handle, const void *src, int count)
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{
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return write(handle, src, count);
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}
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void
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Sys_FileClose(int handle)
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{
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close(handle);
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}
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void
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Sys_FileSeek(int handle, int position)
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{
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lseek(handle, position, SEEK_SET);
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}
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int
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Sys_FileRead(int handle, void *dest, int count)
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{
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return read(handle, dest, count);
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}
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void
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Sys_DebugLog(char *file, char *fmt, ...)
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{
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va_list argptr;
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static char data[1024];
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int fd;
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va_start(argptr, fmt);
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vsprintf(data, fmt, argptr);
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va_end(argptr);
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// fd = open(file, O_WRONLY | O_BINARY | O_CREAT | O_APPEND, 0666);
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fd = open(file, O_WRONLY | O_CREAT | O_APPEND, 0666);
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write(fd, data, strlen(data));
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close(fd);
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}
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void
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Sys_EditFile(char *filename)
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{
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char cmd[256];
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char *term;
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char *editor;
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term = getenv("TERM");
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if (term && !strcmp(term, "xterm")) {
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editor = getenv("VISUAL");
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if (!editor)
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editor = getenv("EDITOR");
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if (!editor)
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editor = getenv("EDIT");
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if (!editor)
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editor = "vi";
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sprintf(cmd, "xterm -e %s %s", editor, filename);
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system(cmd);
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}
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}
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double
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Sys_DoubleTime(void)
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{
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struct timeval tp;
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struct timezone tzp;
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static int secbase;
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gettimeofday(&tp, &tzp);
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if (!secbase) {
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secbase = tp.tv_sec;
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return tp.tv_usec / 1000000.0;
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}
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return (tp.tv_sec - secbase) + tp.tv_usec / 1000000.0;
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}
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// =======================================================================
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// Sleeps for microseconds
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// =======================================================================
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/* FIXME - Unused only in QW? */
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static void
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Sys_LineRefresh(void)
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{
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}
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static void
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floating_point_exception_handler(int whatever)
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{
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// Sys_Warn("floating point exception\n");
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signal(SIGFPE, floating_point_exception_handler);
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}
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// FIXME - need this at all? (see QW)
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char *
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Sys_ConsoleInput(void)
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{
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static char text[256];
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int len;
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fd_set fdset;
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struct timeval timeout;
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if (cls.state == ca_dedicated) {
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FD_ZERO(&fdset);
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FD_SET(STDIN_FILENO, &fdset); // stdin
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timeout.tv_sec = 0;
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timeout.tv_usec = 0;
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if (select(STDIN_FILENO + 1, &fdset, NULL, NULL, &timeout) == -1
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|| !FD_ISSET(STDIN_FILENO, &fdset))
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return NULL;
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len = read(STDIN_FILENO, text, sizeof(text));
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if (len < 1)
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return NULL;
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text[len - 1] = 0; // rip off the /n and terminate
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return text;
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}
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return NULL;
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}
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#if !id386
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void
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Sys_HighFPPrecision(void)
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{
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}
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void
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Sys_LowFPPrecision(void)
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{
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}
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#endif
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int
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main(int c, char **v)
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{
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double time, oldtime, newtime;
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quakeparms_t parms;
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int j;
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// signal(SIGFPE, floating_point_exception_handler);
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signal(SIGFPE, SIG_IGN);
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memset(&parms, 0, sizeof(parms));
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COM_InitArgv(c, v);
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parms.argc = com_argc;
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parms.argv = com_argv;
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#ifdef GLQUAKE
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parms.memsize = 16 * 1024 * 1024;
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#else
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parms.memsize = 8 * 1024 * 1024;
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#endif
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j = COM_CheckParm("-mem");
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if (j)
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parms.memsize = (int)(Q_atof(com_argv[j + 1]) * 1024 * 1024);
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parms.membase = malloc(parms.memsize);
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parms.basedir = basedir;
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// caching is disabled by default, use -cachedir to enable
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// parms.cachedir = cachedir;
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fcntl(STDIN_FILENO, F_SETFL,
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fcntl(STDIN_FILENO, F_GETFL, 0) | O_NONBLOCK);
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Host_Init(&parms);
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Sys_Init();
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if (COM_CheckParm("-nostdout"))
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nostdout = true;
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// Make stdin non-blocking
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// FIXME - check both return values
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if (!noconinput)
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fcntl(STDIN_FILENO, F_SETFL,
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fcntl(STDIN_FILENO, F_GETFL, 0) | O_NONBLOCK);
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if (!nostdout)
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printf("Tyr-Quake -- Version %s\n", stringify(TYR_VERSION));
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oldtime = Sys_DoubleTime() - 0.1;
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while (1) {
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// find time spent rendering last frame
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newtime = Sys_DoubleTime();
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time = newtime - oldtime;
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if (cls.state == ca_dedicated) { // play vcrfiles at max speed
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if (time < sys_ticrate.value && (vcrFile == -1 || recording)) {
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usleep(1);
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continue; // not time to run a server only tic yet
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}
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time = sys_ticrate.value;
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}
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if (time > sys_ticrate.value * 2)
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oldtime = newtime;
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else
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oldtime += time;
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Host_Frame(time);
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// graphic debugging aids
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if (sys_linerefresh.value)
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Sys_LineRefresh();
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}
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}
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/*
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================
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Sys_MakeCodeWriteable
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================
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*/
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void
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Sys_MakeCodeWriteable(unsigned long startaddr, unsigned long length)
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{
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int r;
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unsigned long addr;
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int psize = getpagesize();
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addr = (startaddr & ~(psize - 1)) - psize;
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// fprintf(stderr, "writable code %lx(%lx)-%lx, length=%lx\n", startaddr,
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// addr, startaddr+length, length);
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r = mprotect((char *)addr, length + startaddr - addr + psize, 7);
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if (r < 0)
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Sys_Error("Protection change failed");
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}
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