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/*
===========================================================================
Copyright (C) 1999 - 2005, Id Software, Inc.
Copyright (C) 2000 - 2013, Raven Software, Inc.
Copyright (C) 2001 - 2013, Activision, Inc.
Copyright (C) 2005 - 2015, ioquake3 contributors
Copyright (C) 2013 - 2015, OpenJK contributors
This file is part of the OpenJK source code.
OpenJK is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License version 2 as
published by the Free Software Foundation.
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, see <http://www.gnu.org/licenses/>.
===========================================================================
*/
// common.c -- misc functions used in client and server
#include "stringed_ingame.h"
#include "qcommon/cm_public.h"
#include "qcommon/game_version.h"
#include "qcommon/q_version.h"
#include "../server/NPCNav/navigator.h"
#include "../shared/sys/sys_local.h"
#if defined(_WIN32)
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#endif
FILE *debuglogfile;
fileHandle_t logfile;
fileHandle_t com_journalFile; // events are written here
fileHandle_t com_journalDataFile; // config files are written here
cvar_t *com_speeds;
cvar_t *com_developer;
cvar_t *com_dedicated;
cvar_t *com_timescale;
cvar_t *com_fixedtime;
cvar_t *com_journal;
cvar_t *com_timedemo;
cvar_t *com_sv_running;
cvar_t *com_cl_running;
cvar_t *com_logfile; // 1 = buffer log, 2 = flush after each print
cvar_t *com_showtrace;
cvar_t *com_optvehtrace;
#ifdef G2_PERFORMANCE_ANALYSIS
cvar_t *com_G2Report;
#endif
cvar_t *com_version;
cvar_t *com_buildScript; // for automated data building scripts
cvar_t *com_bootlogo;
cvar_t *cl_paused;
cvar_t *sv_paused;
cvar_t *com_cameraMode;
cvar_t *com_homepath;
#ifndef _WIN32
cvar_t *com_ansiColor = NULL;
#endif
cvar_t *com_busyWait;
cvar_t *com_affinity;
// com_speeds times
int time_game;
int time_frontend; // renderer frontend time
int time_backend; // renderer backend time
int com_frameTime;
int com_frameNumber;
qboolean com_errorEntered = qfalse;
qboolean com_fullyInitialized = qfalse;
char com_errorMessage[MAXPRINTMSG] = {0};
void Com_WriteConfig_f( void );
//============================================================================
static char *rd_buffer;
static int rd_buffersize;
static void (*rd_flush)( char *buffer );
void Com_BeginRedirect (char *buffer, int buffersize, void (*flush)( char *) )
{
if (!buffer || !buffersize || !flush)
return;
rd_buffer = buffer;
rd_buffersize = buffersize;
rd_flush = flush;
*rd_buffer = 0;
}
void Com_EndRedirect (void)
{
if ( rd_flush ) {
rd_flush(rd_buffer);
}
rd_buffer = NULL;
rd_buffersize = 0;
rd_flush = NULL;
}
/*
=============
Com_Printf
Both client and server can use this, and it will output
to the appropriate place.
A raw string should NEVER be passed as fmt, because of "%f" type crashers.
=============
*/
void QDECL Com_Printf( const char *fmt, ... ) {
va_list argptr;
char msg[MAXPRINTMSG];
static qboolean opening_qconsole = qfalse;
va_start (argptr,fmt);
Q_vsnprintf (msg, sizeof(msg), fmt, argptr);
va_end (argptr);
if ( rd_buffer ) {
if ((strlen (msg) + strlen(rd_buffer)) > (size_t)(rd_buffersize - 1)) {
rd_flush(rd_buffer);
*rd_buffer = 0;
}
Q_strcat(rd_buffer, rd_buffersize, msg);
// TTimo nooo .. that would defeat the purpose
//rd_flush(rd_buffer);
//*rd_buffer = 0;
return;
}
#ifndef DEDICATED
CL_ConsolePrint( msg );
#endif
// echo to dedicated console and early console
Sys_Print( msg );
// logfile
if ( com_logfile && com_logfile->integer ) {
// TTimo: only open the qconsole.log if the filesystem is in an initialized state
// also, avoid recursing in the qconsole.log opening (i.e. if fs_debug is on)
if ( !logfile && FS_Initialized() && !opening_qconsole ) {
struct tm *newtime;
time_t aclock;
opening_qconsole = qtrue;
time( &aclock );
newtime = localtime( &aclock );
logfile = FS_FOpenFileWrite( "qconsole.log" );
if ( logfile ) {
Com_Printf( "logfile opened on %s\n", asctime( newtime ) );
if ( com_logfile->integer > 1 ) {
// force it to not buffer so we get valid
// data even if we are crashing
FS_ForceFlush(logfile);
}
}
else {
Com_Printf( "Opening qconsole.log failed!\n" );
Cvar_SetValue( "logfile", 0 );
}
}
opening_qconsole = qfalse;
if ( logfile && FS_Initialized()) {
FS_Write(msg, strlen(msg), logfile);
}
}
#if defined(_WIN32) && defined(_DEBUG)
if ( *msg )
{
OutputDebugString ( Q_CleanStr(msg) );
OutputDebugString ("\n");
}
#endif
}
/*
================
Com_DPrintf
A Com_Printf that only shows up if the "developer" cvar is set
================
*/
void QDECL Com_DPrintf( const char *fmt, ...) {
va_list argptr;
char msg[MAXPRINTMSG];
if ( !com_developer || !com_developer->integer ) {
return; // don't confuse non-developers with techie stuff...
}
va_start (argptr,fmt);
Q_vsnprintf (msg, sizeof(msg), fmt, argptr);
va_end (argptr);
Com_Printf ("%s", msg);
}
// Outputs to the VC / Windows Debug window (only in debug compile)
void QDECL Com_OPrintf( const char *fmt, ...)
{
va_list argptr;
char msg[MAXPRINTMSG];
va_start (argptr,fmt);
Q_vsnprintf (msg, sizeof(msg), fmt, argptr);
va_end (argptr);
#ifdef _WIN32
OutputDebugString(msg);
#else
printf("%s", msg);
#endif
}
/*
=============
Com_Error
Both client and server can use this, and it will
do the appropriate things.
=============
*/
void NORETURN QDECL Com_Error( int code, const char *fmt, ... ) {
va_list argptr;
static int lastErrorTime;
static int errorCount;
int currentTime;
if ( com_errorEntered ) {
Sys_Error( "recursive error after: %s", com_errorMessage );
}
com_errorEntered = qtrue;
// when we are running automated scripts, make sure we
// know if anything failed
if ( com_buildScript && com_buildScript->integer ) {
code = ERR_FATAL;
}
// ERR_DROPs on dedicated drop to an interactive console
// which doesn't make sense for dedicated as it's generally
// run unattended
if ( com_dedicated && com_dedicated->integer ) {
code = ERR_FATAL;
}
// if we are getting a solid stream of ERR_DROP, do an ERR_FATAL
currentTime = Sys_Milliseconds();
if ( currentTime - lastErrorTime < 100 ) {
if ( ++errorCount > 3 ) {
code = ERR_FATAL;
}
} else {
errorCount = 0;
}
lastErrorTime = currentTime;
va_start (argptr,fmt);
Q_vsnprintf (com_errorMessage,sizeof(com_errorMessage), fmt,argptr);
va_end (argptr);
if ( code != ERR_DISCONNECT && code != ERR_NEED_CD ) {
Cvar_Get("com_errorMessage", "", CVAR_ROM); //give com_errorMessage a default so it won't come back to life after a resetDefaults
Cvar_Set("com_errorMessage", com_errorMessage);
}
if ( code == ERR_DISCONNECT || code == ERR_SERVERDISCONNECT || code == ERR_DROP || code == ERR_NEED_CD ) {
throw code;
} else {
CL_Shutdown ();
SV_Shutdown (va("Server fatal crashed: %s\n", com_errorMessage));
}
Com_Shutdown ();
Sys_Error ("%s", com_errorMessage);
}
/*
=============
Com_Quit_f
Both client and server can use this, and it will
do the appropriate things.
=============
*/
void Com_Quit_f( void ) {
// don't try to shutdown if we are in a recursive error
if ( !com_errorEntered ) {
SV_Shutdown ("Server quit\n");
CL_Shutdown ();
Com_Shutdown ();
FS_Shutdown(qtrue);
}
Sys_Quit ();
}
/*
============================================================================
COMMAND LINE FUNCTIONS
+ characters separate the commandLine string into multiple console
command lines.
All of these are valid:
quake3 +set test blah +map test
quake3 set test blah+map test
quake3 set test blah + map test
============================================================================
*/
#define MAX_CONSOLE_LINES 32
int com_numConsoleLines;
char *com_consoleLines[MAX_CONSOLE_LINES];
/*
==================
Com_ParseCommandLine
Break it up into multiple console lines
==================
*/
void Com_ParseCommandLine( char *commandLine ) {
int inq = 0;
com_consoleLines[0] = commandLine;
com_numConsoleLines = 1;
while ( *commandLine ) {
if (*commandLine == '"') {
inq = !inq;
}
// look for a + seperating character
// if commandLine came from a file, we might have real line seperators
if ( (*commandLine == '+' && !inq) || *commandLine == '\n' || *commandLine == '\r' ) {
if ( com_numConsoleLines == MAX_CONSOLE_LINES ) {
return;
}
com_consoleLines[com_numConsoleLines] = commandLine + 1;
com_numConsoleLines++;
*commandLine = 0;
}
commandLine++;
}
}
/*
===================
Com_SafeMode
Check for "safe" on the command line, which will
skip loading of jampconfig.cfg
===================
*/
qboolean Com_SafeMode( void ) {
int i;
for ( i = 0 ; i < com_numConsoleLines ; i++ ) {
Cmd_TokenizeString( com_consoleLines[i] );
if ( !Q_stricmp( Cmd_Argv(0), "safe" )
|| !Q_stricmp( Cmd_Argv(0), "cvar_restart" ) ) {
com_consoleLines[i][0] = 0;
return qtrue;
}
}
return qfalse;
}
/*
===============
Com_StartupVariable
Searches for command line parameters that are set commands.
If match is not NULL, only that cvar will be looked for.
That is necessary because cddir and basedir need to be set
before the filesystem is started, but all other sets shouls
be after execing the config and default.
===============
*/
void Com_StartupVariable( const char *match ) {
for (int i=0 ; i < com_numConsoleLines ; i++) {
Cmd_TokenizeString( com_consoleLines[i] );
if ( strcmp( Cmd_Argv(0), "set" ) ) {
continue;
}
char *s = Cmd_Argv(1);
if ( !match || !strcmp( s, match ) )
Cvar_User_Set( s, Cmd_ArgsFrom( 2 ) );
}
}
/*
=================
Com_AddStartupCommands
Adds command line parameters as script statements
Commands are seperated by + signs
Returns qtrue if any late commands were added, which
will keep the demoloop from immediately starting
=================
*/
qboolean Com_AddStartupCommands( void ) {
int i;
qboolean added;
added = qfalse;
// quote every token, so args with semicolons can work
for (i=0 ; i < com_numConsoleLines ; i++) {
if ( !com_consoleLines[i] || !com_consoleLines[i][0] ) {
continue;
}
// set commands won't override menu startup
if ( Q_stricmpn( com_consoleLines[i], "set", 3 ) ) {
added = qtrue;
}
Cbuf_AddText( com_consoleLines[i] );
Cbuf_AddText( "\n" );
}
return added;
}
//============================================================================
void Info_Print( const char *s ) {
char key[BIG_INFO_KEY];
char value[BIG_INFO_VALUE];
char *o;
int l;
if (*s == '\\')
s++;
while (*s)
{
o = key;
while (*s && *s != '\\')
*o++ = *s++;
l = o - key;
if (l < 20)
{
Com_Memset (o, ' ', 20-l);
key[20] = 0;
}
else
*o = 0;
Com_Printf ("%s ", key);
if (!*s)
{
Com_Printf ("MISSING VALUE\n");
return;
}
o = value;
s++;
while (*s && *s != '\\')
*o++ = *s++;
*o = 0;
if (*s)
s++;
Com_Printf ("%s\n", value);
}
}
/*
============
Com_StringContains
============
*/
char *Com_StringContains(char *str1, char *str2, int casesensitive) {
int len, i, j;
len = strlen(str1) - strlen(str2);
for (i = 0; i <= len; i++, str1++) {
for (j = 0; str2[j]; j++) {
if (casesensitive) {
if (str1[j] != str2[j]) {
break;
}
}
else {
if (toupper(str1[j]) != toupper(str2[j])) {
break;
}
}
}
if (!str2[j]) {
return str1;
}
}
return NULL;
}
/*
============
Com_Filter
============
*/
int Com_Filter(char *filter, char *name, int casesensitive)
{
char buf[MAX_TOKEN_CHARS];
char *ptr;
int i, found;
while(*filter) {
if (*filter == '*') {
filter++;
for (i = 0; *filter; i++) {
if (*filter == '*' || *filter == '?') break;
buf[i] = *filter;
filter++;
}
buf[i] = '\0';
if (strlen(buf)) {
ptr = Com_StringContains(name, buf, casesensitive);
if (!ptr) return qfalse;
name = ptr + strlen(buf);
}
}
else if (*filter == '?') {
filter++;
name++;
}
else if (*filter == '[' && *(filter+1) == '[') {
filter++;
}
else if (*filter == '[') {
filter++;
found = qfalse;
while(*filter && !found) {
if (*filter == ']' && *(filter+1) != ']') break;
if (*(filter+1) == '-' && *(filter+2) && (*(filter+2) != ']' || *(filter+3) == ']')) {
if (casesensitive) {
if (*name >= *filter && *name <= *(filter+2)) found = qtrue;
}
else {
if (toupper(*name) >= toupper(*filter) &&
toupper(*name) <= toupper(*(filter+2))) found = qtrue;
}
filter += 3;
}
else {
if (casesensitive) {
if (*filter == *name) found = qtrue;
}
else {
if (toupper(*filter) == toupper(*name)) found = qtrue;
}
filter++;
}
}
if (!found) return qfalse;
while(*filter) {
if (*filter == ']' && *(filter+1) != ']') break;
filter++;
}
filter++;
name++;
}
else {
if (casesensitive) {
if (*filter != *name) return qfalse;
}
else {
if (toupper(*filter) != toupper(*name)) return qfalse;
}
filter++;
name++;
}
}
return qtrue;
}
/*
============
Com_FilterPath
============
*/
int Com_FilterPath(char *filter, char *name, int casesensitive)
{
int i;
char new_filter[MAX_QPATH];
char new_name[MAX_QPATH];
for (i = 0; i < MAX_QPATH-1 && filter[i]; i++) {
if ( filter[i] == '\\' || filter[i] == ':' ) {
new_filter[i] = '/';
}
else {
new_filter[i] = filter[i];
}
}
new_filter[i] = '\0';
for (i = 0; i < MAX_QPATH-1 && name[i]; i++) {
if ( name[i] == '\\' || name[i] == ':' ) {
new_name[i] = '/';
}
else {
new_name[i] = name[i];
}
}
new_name[i] = '\0';
return Com_Filter(new_filter, new_name, casesensitive);
}
/*
============
Com_HashKey
============
*/
int Com_HashKey(char *string, int maxlen) {
int hash, i;
hash = 0;
for (i = 0; i < maxlen && string[i] != '\0'; i++) {
hash += string[i] * (119 + i);
}
hash = (hash ^ (hash >> 10) ^ (hash >> 20));
return hash;
}
/*
================
Com_RealTime
================
*/
int Com_RealTime(qtime_t *qtime) {
time_t t;
struct tm *tms;
t = time(NULL);
if (!qtime)
return t;
tms = localtime(&t);
if (tms) {
qtime->tm_sec = tms->tm_sec;
qtime->tm_min = tms->tm_min;
qtime->tm_hour = tms->tm_hour;
qtime->tm_mday = tms->tm_mday;
qtime->tm_mon = tms->tm_mon;
qtime->tm_year = tms->tm_year;
qtime->tm_wday = tms->tm_wday;
qtime->tm_yday = tms->tm_yday;
qtime->tm_isdst = tms->tm_isdst;
}
return t;
}
/*
===================================================================
EVENTS AND JOURNALING
In addition to these events, .cfg files are also copied to the
journaled file
===================================================================
*/
#define MAX_PUSHED_EVENTS 1024
static int com_pushedEventsHead = 0;
static int com_pushedEventsTail = 0;
static sysEvent_t com_pushedEvents[MAX_PUSHED_EVENTS];
/*
=================
Com_InitJournaling
=================
*/
void Com_InitJournaling( void ) {
Com_StartupVariable( "journal" );
com_journal = Cvar_Get ("journal", "0", CVAR_INIT);
if ( !com_journal->integer ) {
return;
}
if ( com_journal->integer == 1 ) {
Com_Printf( "Journaling events\n");
com_journalFile = FS_FOpenFileWrite( "journal.dat" );
com_journalDataFile = FS_FOpenFileWrite( "journaldata.dat" );
} else if ( com_journal->integer == 2 ) {
Com_Printf( "Replaying journaled events\n");
FS_FOpenFileRead( "journal.dat", &com_journalFile, qtrue );
FS_FOpenFileRead( "journaldata.dat", &com_journalDataFile, qtrue );
}
if ( !com_journalFile || !com_journalDataFile ) {
Cvar_Set( "com_journal", "0" );
com_journalFile = 0;
com_journalDataFile = 0;
Com_Printf( "Couldn't open journal files\n" );
}
}
/*
=================
Com_GetRealEvent
=================
*/
sysEvent_t Com_GetRealEvent( void ) {
int r;
sysEvent_t ev;
// either get an event from the system or the journal file
if ( com_journal->integer == 2 ) {
r = FS_Read( &ev, sizeof(ev), com_journalFile );
if ( r != sizeof(ev) ) {
Com_Error( ERR_FATAL, "Error reading from journal file" );
}
if ( ev.evPtrLength ) {
ev.evPtr = Z_Malloc( ev.evPtrLength, TAG_EVENT, qtrue );
r = FS_Read( ev.evPtr, ev.evPtrLength, com_journalFile );
if ( r != ev.evPtrLength ) {
Com_Error( ERR_FATAL, "Error reading from journal file" );
}
}
} else {
ev = Sys_GetEvent();
// write the journal value out if needed
if ( com_journal->integer == 1 ) {
r = FS_Write( &ev, sizeof(ev), com_journalFile );
if ( r != sizeof(ev) ) {
Com_Error( ERR_FATAL, "Error writing to journal file" );
}
if ( ev.evPtrLength ) {
r = FS_Write( ev.evPtr, ev.evPtrLength, com_journalFile );
if ( r != ev.evPtrLength ) {
Com_Error( ERR_FATAL, "Error writing to journal file" );
}
}
}
}
return ev;
}
/*
=================
Com_InitPushEvent
=================
*/
void Com_InitPushEvent( void ) {
// clear the static buffer array
// this requires SE_NONE to be accepted as a valid but NOP event
memset( com_pushedEvents, 0, sizeof(com_pushedEvents) );
// reset counters while we are at it
// beware: GetEvent might still return an SE_NONE from the buffer
com_pushedEventsHead = 0;
com_pushedEventsTail = 0;
}
/*
=================
Com_PushEvent
=================
*/
void Com_PushEvent( sysEvent_t *event ) {
sysEvent_t *ev;
static int printedWarning = 0;
ev = &com_pushedEvents[ com_pushedEventsHead & (MAX_PUSHED_EVENTS-1) ];
if ( com_pushedEventsHead - com_pushedEventsTail >= MAX_PUSHED_EVENTS ) {
// don't print the warning constantly, or it can give time for more...
if ( !printedWarning ) {
printedWarning = qtrue;
Com_Printf( "WARNING: Com_PushEvent overflow\n" );
}
if ( ev->evPtr ) {
Z_Free( ev->evPtr );
}
com_pushedEventsTail++;
} else {
printedWarning = qfalse;
}
*ev = *event;
com_pushedEventsHead++;
}
/*
=================
Com_GetEvent
=================
*/
sysEvent_t Com_GetEvent( void ) {
if ( com_pushedEventsHead > com_pushedEventsTail ) {
com_pushedEventsTail++;
return com_pushedEvents[ (com_pushedEventsTail-1) & (MAX_PUSHED_EVENTS-1) ];
}
return Com_GetRealEvent();
}
/*
=================
Com_RunAndTimeServerPacket
=================
*/
void Com_RunAndTimeServerPacket( netadr_t *evFrom, msg_t *buf ) {
int t1, t2, msec;
t1 = 0;
if ( com_speeds->integer ) {
t1 = Sys_Milliseconds ();
}
SV_PacketEvent( *evFrom, buf );
if ( com_speeds->integer ) {
t2 = Sys_Milliseconds ();
msec = t2 - t1;
if ( com_speeds->integer == 3 ) {
Com_Printf( "SV_PacketEvent time: %i\n", msec );
}
}
}
/*
=================
Com_EventLoop
Returns last event time
=================
*/
int Com_EventLoop( void ) {
sysEvent_t ev;
netadr_t evFrom;
byte bufData[MAX_MSGLEN];
msg_t buf;
MSG_Init( &buf, bufData, sizeof( bufData ) );
while ( 1 ) {
ev = Com_GetEvent();
// if no more events are available
if ( ev.evType == SE_NONE ) {
// manually send packet events for the loopback channel
while ( NET_GetLoopPacket( NS_CLIENT, &evFrom, &buf ) ) {
CL_PacketEvent( evFrom, &buf );
}
while ( NET_GetLoopPacket( NS_SERVER, &evFrom, &buf ) ) {
// if the server just shut down, flush the events
if ( com_sv_running->integer ) {
Com_RunAndTimeServerPacket( &evFrom, &buf );
}
}
return ev.evTime;
}
switch ( ev.evType ) {
default:
Com_Error( ERR_FATAL, "Com_EventLoop: bad event type %i", ev.evType );
break;
case SE_NONE:
break;
case SE_KEY:
CL_KeyEvent( ev.evValue, (qboolean)ev.evValue2, ev.evTime );
break;
case SE_CHAR:
CL_CharEvent( ev.evValue );
break;
case SE_MOUSE:
CL_MouseEvent( ev.evValue, ev.evValue2, ev.evTime );
break;
case SE_JOYSTICK_AXIS:
CL_JoystickEvent( ev.evValue, ev.evValue2, ev.evTime );
break;
case SE_CONSOLE:
if ( ((char *)ev.evPtr)[0] == '\\' || ((char *)ev.evPtr)[0] == '/' )
{
Cbuf_AddText( (char *)ev.evPtr+1 );
}
else
{
Cbuf_AddText( (char *)ev.evPtr );
}
Cbuf_AddText( "\n" );
break;
}
// free any block data
if ( ev.evPtr ) {
Z_Free( ev.evPtr );
}
}
return 0; // never reached
}
/*
================
Com_Milliseconds
Can be used for profiling, but will be journaled accurately
================
*/
int Com_Milliseconds (void) {
sysEvent_t ev;
// get events and push them until we get a null event with the current time
do {
ev = Com_GetRealEvent();
if ( ev.evType != SE_NONE ) {
Com_PushEvent( &ev );
}
} while ( ev.evType != SE_NONE );
return ev.evTime;
}
//============================================================================
/*
=============
Com_Error_f
Just throw a fatal error to
test error shutdown procedures
=============
*/
static void NORETURN Com_Error_f (void) {
if ( Cmd_Argc() > 1 ) {
Com_Error( ERR_DROP, "Testing drop error" );
} else {
Com_Error( ERR_FATAL, "Testing fatal error" );
}
}
/*
=============
Com_Freeze_f
Just freeze in place for a given number of seconds to test
error recovery
=============
*/
static void Com_Freeze_f (void) {
float s;
int start, now;
if ( Cmd_Argc() != 2 ) {
Com_Printf( "freeze <seconds>\n" );
return;
}
s = atof( Cmd_Argv(1) );
start = Com_Milliseconds();
while ( 1 ) {
now = Com_Milliseconds();
if ( ( now - start ) * 0.001 > s ) {
break;
}
}
}
/*
=================
Com_Crash_f
A way to force a bus error for development reasons
=================
*/
static void NORETURN Com_Crash_f( void ) {
* ( volatile int * ) 0 = 0x12345678;
/* that should crash already, but to reassure the compiler: */
abort();
}
/*
==================
Com_ExecuteCfg
==================
*/
void Com_ExecuteCfg(void)
{
Cbuf_ExecuteText(EXEC_NOW, "exec mpdefault.cfg\n");
Cbuf_Execute(); // Always execute after exec to prevent text buffer overflowing
if(!Com_SafeMode())
{
// skip the q3config.cfg and autoexec.cfg if "safe" is on the command line
Cbuf_ExecuteText(EXEC_NOW, "exec " Q3CONFIG_CFG "\n");
Cbuf_Execute();
Cbuf_ExecuteText(EXEC_NOW, "exec autoexec.cfg\n");
Cbuf_Execute();
}
}
/*
=================
Com_InitRand
Seed the random number generator, if possible with an OS supplied random seed.
=================
*/
static void Com_InitRand(void)
{
unsigned int seed;
if(Sys_RandomBytes((byte *) &seed, sizeof(seed)))
srand(seed);
else
srand(time(NULL));
}
/*
=================
Com_ErrorString
Error string for the given error code (from Com_Error).
=================
*/
static const char *Com_ErrorString ( int code )
{
switch ( code )
{
case ERR_DISCONNECT:
// fallthrough
case ERR_SERVERDISCONNECT:
return "DISCONNECTED";
case ERR_DROP:
return "DROPPED";
case ERR_NEED_CD:
return "NEED CD";
default:
return "UNKNOWN";
}
}
/*
=================
Com_CatchError
Handles freeing up of resources when Com_Error is called.
=================
*/
static void Com_CatchError ( int code )
{
if ( code == ERR_DISCONNECT || code == ERR_SERVERDISCONNECT ) {
SV_Shutdown( "Server disconnected" );
CL_Disconnect( qtrue );
CL_FlushMemory( );
// make sure we can get at our local stuff
FS_PureServerSetLoadedPaks( "", "" );
com_errorEntered = qfalse;
} else if ( code == ERR_DROP ) {
Com_Printf ("********************\n"
"ERROR: %s\n"
"********************\n", com_errorMessage);
SV_Shutdown (va("Server crashed: %s\n", com_errorMessage));
CL_Disconnect( qtrue );
CL_FlushMemory( );
// make sure we can get at our local stuff
FS_PureServerSetLoadedPaks( "", "" );
com_errorEntered = qfalse;
} else if ( code == ERR_NEED_CD ) {
SV_Shutdown( "Server didn't have CD" );
if ( com_cl_running && com_cl_running->integer ) {
CL_Disconnect( qtrue );
CL_FlushMemory( );
} else {
Com_Printf("Server didn't have CD\n" );
}
// make sure we can get at our local stuff
FS_PureServerSetLoadedPaks( "", "" );
com_errorEntered = qfalse;
}
}
/*
=================
Com_Init
=================
*/
void Com_Init( char *commandLine ) {
char *s;
int qport;
Com_Printf( "%s %s %s\n", JK_VERSION, PLATFORM_STRING, SOURCE_DATE );
try
{
// initialize the weak pseudo-random number generator for use later.
Com_InitRand();
// do this before anything else decides to push events
Com_InitPushEvent();
Com_InitZoneMemory();
Cvar_Init ();
navigator.Init();
// prepare enough of the subsystems to handle
// cvar and command buffer management
Com_ParseCommandLine( commandLine );
// Swap_Init ();
Cbuf_Init ();
// override anything from the config files with command line args
Com_StartupVariable( NULL );
Com_InitZoneMemoryVars();
Cmd_Init ();
// Seed the random number generator
Rand_Init(Sys_Milliseconds(true));
// get the developer cvar set as early as possible
com_developer = Cvar_Get("developer", "0", CVAR_TEMP, "Developer mode" );
// done early so bind command exists
CL_InitKeyCommands();
com_homepath = Cvar_Get("com_homepath", "", CVAR_INIT);
FS_InitFilesystem ();
Com_InitJournaling();
// Add some commands here already so users can use them from config files
if ( com_developer && com_developer->integer ) {
Cmd_AddCommand ("error", Com_Error_f);
Cmd_AddCommand ("crash", Com_Crash_f );
Cmd_AddCommand ("freeze", Com_Freeze_f);
}
Cmd_AddCommand ("quit", Com_Quit_f, "Quits the game" );
#ifndef FINAL_BUILD
Cmd_AddCommand ("changeVectors", MSG_ReportChangeVectors_f );
#endif
Cmd_AddCommand ("writeconfig", Com_WriteConfig_f, "Write the configuration to file" );
Cmd_SetCommandCompletionFunc( "writeconfig", Cmd_CompleteCfgName );
Com_ExecuteCfg();
// override anything from the config files with command line args
Com_StartupVariable( NULL );
// get dedicated here for proper hunk megs initialization
#ifdef DEDICATED
com_dedicated = Cvar_Get ("dedicated", "2", CVAR_INIT);
Cvar_CheckRange( com_dedicated, 1, 2, qtrue );
#else
//OJKFIXME: Temporarily disabled dedicated server when not using the dedicated server binary.
// Issue is the server not having a renderer when not using ^^^^^
// and crashing in SV_SpawnServer calling re.RegisterMedia_LevelLoadBegin
// Until we fully remove the renderer from the server, the client executable
// will not have dedicated support capabilities.
// Use the dedicated server package.
com_dedicated = Cvar_Get ("_dedicated", "0", CVAR_ROM|CVAR_INIT|CVAR_PROTECTED);
// Cvar_CheckRange( com_dedicated, 0, 2, qtrue );
#endif
// allocate the stack based hunk allocator
Com_InitHunkMemory();
// if any archived cvars are modified after this, we will trigger a writing
// of the config file
cvar_modifiedFlags &= ~CVAR_ARCHIVE;
//
// init commands and vars
//
com_logfile = Cvar_Get ("logfile", "0", CVAR_TEMP );
com_timescale = Cvar_Get ("timescale", "1", CVAR_CHEAT | CVAR_SYSTEMINFO );
com_fixedtime = Cvar_Get ("fixedtime", "0", CVAR_CHEAT);
com_showtrace = Cvar_Get ("com_showtrace", "0", CVAR_CHEAT);
com_speeds = Cvar_Get ("com_speeds", "0", 0);
com_timedemo = Cvar_Get ("timedemo", "0", 0);
com_cameraMode = Cvar_Get ("com_cameraMode", "0", CVAR_CHEAT);
com_optvehtrace = Cvar_Get("com_optvehtrace", "0", 0);
cl_paused = Cvar_Get ("cl_paused", "0", CVAR_ROM);
sv_paused = Cvar_Get ("sv_paused", "0", CVAR_ROM);
com_sv_running = Cvar_Get ("sv_running", "0", CVAR_ROM, "Is a server running?" );
com_cl_running = Cvar_Get ("cl_running", "0", CVAR_ROM, "Is the client running?" );
com_buildScript = Cvar_Get( "com_buildScript", "0", 0 );
#ifndef _WIN32
com_ansiColor = Cvar_Get( "com_ansiColor", "0", CVAR_ARCHIVE_ND );
#endif
#ifdef G2_PERFORMANCE_ANALYSIS
com_G2Report = Cvar_Get("com_G2Report", "0", 0);
#endif
com_affinity = Cvar_Get( "com_affinity", "0", CVAR_ARCHIVE_ND );
com_busyWait = Cvar_Get( "com_busyWait", "0", CVAR_ARCHIVE_ND );
com_bootlogo = Cvar_Get( "com_bootlogo", "1", CVAR_ARCHIVE_ND, "Show intro movies" );
s = va("%s %s %s", JK_VERSION_OLD, PLATFORM_STRING, SOURCE_DATE );
com_version = Cvar_Get ("version", s, CVAR_ROM | CVAR_SERVERINFO );
SE_Init();
Sys_Init();
Sys_SetProcessorAffinity();
// Pick a random port value
Com_RandomBytes( (byte*)&qport, sizeof(int) );
Netchan_Init( qport & 0xffff ); // pick a port value that should be nice and random
VM_Init();
SV_Init();
com_dedicated->modified = qfalse;
if ( !com_dedicated->integer ) {
CL_Init();
}
// set com_frameTime so that if a map is started on the
// command line it will still be able to count on com_frameTime
// being random enough for a serverid
com_frameTime = Com_Milliseconds();
// add + commands from command line
if ( !Com_AddStartupCommands() )
{
// if the user didn't give any commands, run default action
if ( !com_dedicated->integer )
{
if ( com_bootlogo->integer )
{
Cbuf_AddText ("cinematic openinglogos.roq\n");
}
}
}
// start in full screen ui mode
Cvar_Set("r_uiFullScreen", "1");
CL_StartHunkUsers();
// make sure single player is off by default
Cvar_Set("ui_singlePlayerActive", "0");
com_fullyInitialized = qtrue;
Com_Printf ("--- Common Initialization Complete ---\n");
}
catch ( int code )
{
Com_CatchError (code);
Sys_Error ("Error during initialization: %s", Com_ErrorString (code));
}
}
//==================================================================
void Com_WriteConfigToFile( const char *filename ) {
fileHandle_t f;
f = FS_FOpenFileWrite( filename );
if ( !f ) {
Com_Printf ("Couldn't write %s.\n", filename );
return;
}
FS_Printf (f, "// generated by OpenJK MP, do not modify\n");
Key_WriteBindings (f);
Cvar_WriteVariables (f);
FS_FCloseFile( f );
}
/*
===============
Com_WriteConfiguration
Writes key bindings and archived cvars to config file if modified
===============
*/
void Com_WriteConfiguration( void ) {
// if we are quiting without fully initializing, make sure
// we don't write out anything
if ( !com_fullyInitialized ) {
return;
}
if ( !(cvar_modifiedFlags & CVAR_ARCHIVE ) ) {
return;
}
cvar_modifiedFlags &= ~CVAR_ARCHIVE;
Com_WriteConfigToFile( Q3CONFIG_CFG );
}
/*
===============
Com_WriteConfig_f
Write the config file to a specific name
===============
*/
void Com_WriteConfig_f( void ) {
char filename[MAX_QPATH];
if ( Cmd_Argc() != 2 ) {
Com_Printf( "Usage: writeconfig <filename>\n" );
return;
}
Q_strncpyz( filename, Cmd_Argv(1), sizeof( filename ) );
COM_DefaultExtension( filename, sizeof( filename ), ".cfg" );
if(!COM_CompareExtension(filename, ".cfg"))
{
Com_Printf( "Com_WriteConfig_f: Only the \".cfg\" extension is supported by this command!\n" );
return;
}
if(!FS_FilenameCompare(filename, "mpdefault.cfg") || !FS_FilenameCompare(filename, "default.cfg"))
{
Com_Printf( S_COLOR_YELLOW "Com_WriteConfig_f: The filename \"%s\" is reserved! Please choose another name.\n", filename );
return;
}
Com_Printf( "Writing %s.\n", filename );
Com_WriteConfigToFile( filename );
}
/*
================
Com_ModifyMsec
================
*/
int Com_ModifyMsec( int msec ) {
int clampTime;
//
// modify time for debugging values
//
if ( com_fixedtime->integer ) {
msec = com_fixedtime->integer;
} else if ( com_timescale->value ) {
msec *= com_timescale->value;
} else if (com_cameraMode->integer) {
msec *= com_timescale->value;
}
// don't let it scale below 1 msec
if ( msec < 1 && com_timescale->value) {
msec = 1;
}
if ( com_dedicated->integer ) {
// dedicated servers don't want to clamp for a much longer
// period, because it would mess up all the client's views
// of time.
if ( com_sv_running->integer && msec > 500 ) {
Com_Printf( "Hitch warning: %i msec frame time\n", msec );
}
clampTime = 5000;
} else
if ( !com_sv_running->integer ) {
// clients of remote servers do not want to clamp time, because
// it would skew their view of the server's time temporarily
clampTime = 5000;
} else {
// for local single player gaming
// we may want to clamp the time to prevent players from
// flying off edges when something hitches.
clampTime = 200;
}
if ( msec > clampTime ) {
msec = clampTime;
}
return msec;
}
#ifdef G2_PERFORMANCE_ANALYSIS
#include "qcommon/timing.h"
void G2Time_ResetTimers(void);
void G2Time_ReportTimers(void);
extern timing_c G2PerformanceTimer_PreciseFrame;
extern int G2Time_PreciseFrame;
#endif
/*
=================
Com_TimeVal
=================
*/
int Com_TimeVal(int minMsec)
{
int timeVal;
timeVal = Sys_Milliseconds() - com_frameTime;
if(timeVal >= minMsec)
timeVal = 0;
else
timeVal = minMsec - timeVal;
return timeVal;
}
/*
=================
Com_Frame
=================
*/
void Com_Frame( void ) {
try
{
#ifdef G2_PERFORMANCE_ANALYSIS
G2PerformanceTimer_PreciseFrame.Start();
#endif
int msec, minMsec;
int timeVal;
static int lastTime = 0, bias = 0;
int timeBeforeFirstEvents = 0;
int timeBeforeServer = 0;
int timeBeforeEvents = 0;
int timeBeforeClient = 0;
int timeAfter = 0;
// write config file if anything changed
Com_WriteConfiguration();
//
// main event loop
//
if ( com_speeds->integer ) {
timeBeforeFirstEvents = Sys_Milliseconds ();
}
// Figure out how much time we have
if(!com_timedemo->integer)
{
if(com_dedicated->integer)
minMsec = SV_FrameMsec();
else
{
if(com_minimized->integer && com_maxfpsMinimized->integer > 0)
minMsec = 1000 / com_maxfpsMinimized->integer;
else if(com_unfocused->integer && com_maxfpsUnfocused->integer > 0)
minMsec = 1000 / com_maxfpsUnfocused->integer;
else if(com_maxfps->integer > 0)
minMsec = 1000 / com_maxfps->integer;
else
minMsec = 1;
timeVal = com_frameTime - lastTime;
bias += timeVal - minMsec;
if (bias > minMsec)
bias = minMsec;
// Adjust minMsec if previous frame took too long to render so
// that framerate is stable at the requested value.
minMsec -= bias;
}
}
else
minMsec = 1;
timeVal = Com_TimeVal(minMsec);
do {
// Busy sleep the last millisecond for better timeout precision
if(com_busyWait->integer || timeVal < 1)
NET_Sleep(0);
else
NET_Sleep(timeVal - 1);
} while( (timeVal = Com_TimeVal(minMsec)) != 0 );
IN_Frame();
lastTime = com_frameTime;
com_frameTime = Com_EventLoop();
msec = com_frameTime - lastTime;
Cbuf_Execute ();
// mess with msec if needed
msec = Com_ModifyMsec( msec );
//
// server side
//
if ( com_speeds->integer ) {
timeBeforeServer = Sys_Milliseconds ();
}
SV_Frame( msec );
// if "dedicated" has been modified, start up
// or shut down the client system.
// Do this after the server may have started,
// but before the client tries to auto-connect
if ( com_dedicated->modified ) {
// get the latched value
Cvar_Get( "_dedicated", "0", 0 );
com_dedicated->modified = qfalse;
if ( !com_dedicated->integer ) {
CL_Init();
CL_StartHunkUsers(); //fire up the UI!
} else {
CL_Shutdown();
}
}
//
// client system
//
if ( !com_dedicated->integer ) {
//
// run event loop a second time to get server to client packets
// without a frame of latency
//
if ( com_speeds->integer ) {
timeBeforeEvents = Sys_Milliseconds ();
}
Com_EventLoop();
Cbuf_Execute ();
//
// client side
//
if ( com_speeds->integer ) {
timeBeforeClient = Sys_Milliseconds ();
}
CL_Frame( msec );
if ( com_speeds->integer ) {
timeAfter = Sys_Milliseconds ();
}
}
else
{
if ( com_speeds->integer )
{
timeBeforeEvents = timeBeforeClient = timeAfter = Sys_Milliseconds ();
}
}
//
// report timing information
//
if ( com_speeds->integer ) {
int all, sv, ev, cl;
all = timeAfter - timeBeforeServer;
sv = timeBeforeEvents - timeBeforeServer;
ev = timeBeforeServer - timeBeforeFirstEvents + timeBeforeClient - timeBeforeEvents;
cl = timeAfter - timeBeforeClient;
sv -= time_game;
cl -= time_frontend + time_backend;
Com_Printf ("frame:%i all:%3i sv:%3i ev:%3i cl:%3i gm:%3i rf:%3i bk:%3i\n",
com_frameNumber, all, sv, ev, cl, time_game, time_frontend, time_backend );
}
//
// trace optimization tracking
//
if ( com_showtrace->integer ) {
extern int c_traces, c_brush_traces, c_patch_traces;
extern int c_pointcontents;
Com_Printf ("%4i traces (%ib %ip) %4i points\n", c_traces,
c_brush_traces, c_patch_traces, c_pointcontents);
c_traces = 0;
c_brush_traces = 0;
c_patch_traces = 0;
c_pointcontents = 0;
}
if ( com_affinity->modified )
{
com_affinity->modified = qfalse;
Sys_SetProcessorAffinity();
}
com_frameNumber++;
}
catch (int code) {
Com_CatchError (code);
Com_Printf ("%s\n", Com_ErrorString (code));
return;
}
#ifdef G2_PERFORMANCE_ANALYSIS
G2Time_PreciseFrame += G2PerformanceTimer_PreciseFrame.End();
if (com_G2Report && com_G2Report->integer)
{
G2Time_ReportTimers();
}
G2Time_ResetTimers();
#endif
}
/*
=================
Com_Shutdown
=================
*/
void MSG_shutdownHuffman();
void Com_Shutdown (void)
{
CM_ClearMap();
if (logfile) {
FS_FCloseFile (logfile);
logfile = 0;
com_logfile->integer = 0;//don't open up the log file again!!
}
if ( com_journalFile ) {
FS_FCloseFile( com_journalFile );
com_journalFile = 0;
}
MSG_shutdownHuffman();
/*
// Only used for testing changes to huffman frequency table when tuning.
{
extern float Huff_GetCR(void);
char mess[256];
sprintf(mess,"Eff. CR = %f\n",Huff_GetCR());
OutputDebugString(mess);
}
*/
}
/*
==================
Field_Clear
==================
*/
void Field_Clear( field_t *edit ) {
memset(edit->buffer, 0, MAX_EDIT_LINE);
edit->cursor = 0;
edit->scroll = 0;
}
/*
=============================================================================
CONSOLE LINE EDITING
==============================================================================
*/
static const char *completionString;
static char shortestMatch[MAX_TOKEN_CHARS];
static int matchCount;
// field we are working on, passed to Field_AutoComplete(&g_consoleCommand for instance)
static field_t *completionField;
/*
===============
FindMatches
===============
*/
static void FindMatches( const char *s ) {
int i;
if ( Q_stricmpn( s, completionString, strlen( completionString ) ) ) {
return;
}
matchCount++;
if ( matchCount == 1 ) {
Q_strncpyz( shortestMatch, s, sizeof( shortestMatch ) );
return;
}
// cut shortestMatch to the amount common with s
for ( i = 0 ; s[i] ; i++ ) {
if ( tolower(shortestMatch[i]) != tolower(s[i]) ) {
shortestMatch[i] = 0;
break;
}
}
if (!s[i])
{
shortestMatch[i] = 0;
}
}
/*
===============
PrintMatches
===============
*/
char *Cmd_DescriptionString( const char *cmd_name );
static void PrintMatches( const char *s ) {
if ( !Q_stricmpn( s, shortestMatch, (int)strlen( shortestMatch ) ) ) {
const char *description = Cmd_DescriptionString( s );
Com_Printf( S_COLOR_GREY "Cmd " S_COLOR_WHITE "%s\n", s );
if ( VALIDSTRING( description ) )
Com_Printf( S_COLOR_GREEN " %s" S_COLOR_WHITE "\n", description );
}
}
/*
===============
PrintArgMatches
===============
*/
#if 0
// This is here for if ever commands with other argument completion
static void PrintArgMatches( const char *s ) {
if ( !Q_stricmpn( s, shortestMatch, strlen( shortestMatch ) ) ) {
Com_Printf( S_COLOR_WHITE " %s\n", s );
}
}
#endif
#ifndef DEDICATED
/*
===============
PrintKeyMatches
===============
*/
static void PrintKeyMatches( const char *s ) {
if ( !Q_stricmpn( s, shortestMatch, strlen( shortestMatch ) ) ) {
Com_Printf( S_COLOR_GREY "Key " S_COLOR_WHITE "%s\n", s );
}
}
#endif
/*
===============
PrintFileMatches
===============
*/
static void PrintFileMatches( const char *s ) {
if ( !Q_stricmpn( s, shortestMatch, strlen( shortestMatch ) ) ) {
Com_Printf( S_COLOR_GREY "File " S_COLOR_WHITE "%s\n", s );
}
}
/*
===============
PrintCvarMatches
===============
*/
char *Cvar_DescriptionString( const char *var_name );
static void PrintCvarMatches( const char *s ) {
if ( !Q_stricmpn( s, shortestMatch, (int)strlen( shortestMatch ) ) ) {
char value[TRUNCATE_LENGTH] = {0};
const char *description = Cvar_DescriptionString( s );
Com_TruncateLongString( value, Cvar_VariableString( s ) );
Com_Printf( S_COLOR_GREY "Cvar " S_COLOR_WHITE "%s = " S_COLOR_GREY "\"" S_COLOR_WHITE "%s" S_COLOR_GREY "\"" S_COLOR_WHITE "\n", s, value );
if ( VALIDSTRING( description ) )
Com_Printf( S_COLOR_GREEN " %s" S_COLOR_WHITE "\n", description );
}
}
/*
===============
Field_FindFirstSeparator
===============
*/
static char *Field_FindFirstSeparator( char *s ) {
for ( size_t i=0; i<strlen( s ); i++ ) {
if ( s[i] == ';' )
return &s[ i ];
}
return NULL;
}
/*
===============
Field_Complete
===============
*/
static qboolean Field_Complete( void ) {
int completionOffset;
if ( matchCount == 0 )
return qtrue;
completionOffset = strlen( completionField->buffer ) - strlen( completionString );
Q_strncpyz( &completionField->buffer[completionOffset], shortestMatch, sizeof( completionField->buffer ) - completionOffset );
completionField->cursor = strlen( completionField->buffer );
if ( matchCount == 1 ) {
Q_strcat( completionField->buffer, sizeof( completionField->buffer ), " " );
completionField->cursor++;
return qtrue;
}
Com_Printf( "%c%s\n", CONSOLE_PROMPT_CHAR, completionField->buffer );
return qfalse;
}
#ifndef DEDICATED
/*
===============
Field_CompleteKeyname
===============
*/
void Field_CompleteKeyname( void )
{
matchCount = 0;
shortestMatch[ 0 ] = 0;
Key_KeynameCompletion( FindMatches );
if( !Field_Complete( ) )
Key_KeynameCompletion( PrintKeyMatches );
}
#endif
/*
===============
Field_CompleteFilename
===============
*/
void Field_CompleteFilename( const char *dir, const char *ext, qboolean stripExt, qboolean allowNonPureFilesOnDisk )
{
matchCount = 0;
shortestMatch[ 0 ] = 0;
FS_FilenameCompletion( dir, ext, stripExt, FindMatches, allowNonPureFilesOnDisk );
if ( !Field_Complete() )
FS_FilenameCompletion( dir, ext, stripExt, PrintFileMatches, allowNonPureFilesOnDisk );
}
/*
===============
Field_CompleteCommand
===============
*/
void Field_CompleteCommand( char *cmd, qboolean doCommands, qboolean doCvars )
{
int completionArgument = 0;
// Skip leading whitespace and quotes
cmd = Com_SkipCharset( cmd, " \"" );
Cmd_TokenizeStringIgnoreQuotes( cmd );
completionArgument = Cmd_Argc();
// If there is trailing whitespace on the cmd
if ( *(cmd + strlen( cmd )-1) == ' ' ) {
completionString = "";
completionArgument++;
}
else
completionString = Cmd_Argv( completionArgument - 1 );
if ( completionArgument > 1 ) {
const char *baseCmd = Cmd_Argv( 0 );
char *p;
#ifndef DEDICATED
if ( baseCmd[0] == '\\' || baseCmd[0] == '/' )
baseCmd++;
#endif
if( ( p = Field_FindFirstSeparator( cmd ) ) )
Field_CompleteCommand( p + 1, qtrue, qtrue ); // Compound command
else
Cmd_CompleteArgument( baseCmd, cmd, completionArgument );
}
else {
if ( completionString[0] == '\\' || completionString[0] == '/' )
completionString++;
matchCount = 0;
shortestMatch[ 0 ] = 0;
if ( strlen( completionString ) == 0 )
return;
if ( doCommands )
Cmd_CommandCompletion( FindMatches );
if ( doCvars )
Cvar_CommandCompletion( FindMatches );
if ( !Field_Complete() ) {
// run through again, printing matches
if ( doCommands )
Cmd_CommandCompletion( PrintMatches );
if ( doCvars )
Cvar_CommandCompletion( PrintCvarMatches );
}
}
}
/*
===============
Field_AutoComplete
Perform Tab expansion
===============
*/
void Field_AutoComplete( field_t *field ) {
if ( !field || !field->buffer[0] )
return;
completionField = field;
Field_CompleteCommand( completionField->buffer, qtrue, qtrue );
}
/*
==================
Com_RandomBytes
fills string array with len radom bytes, peferably from the OS randomizer
==================
*/
void Com_RandomBytes( byte *string, int len )
{
int i;
if( Sys_RandomBytes( string, len ) )
return;
Com_Printf( "Com_RandomBytes: using weak randomization\n" );
for( i = 0; i < len; i++ )
string[i] = (unsigned char)( rand() % 256 );
}
/*
===============
Converts a UTF-8 character to UTF-32.
===============
*/
uint32_t ConvertUTF8ToUTF32( char *utf8CurrentChar, char **utf8NextChar )
{
uint32_t utf32 = 0;
char *c = utf8CurrentChar;
if( ( *c & 0x80 ) == 0 )
utf32 = *c++;
else if( ( *c & 0xE0 ) == 0xC0 ) // 110x xxxx
{
utf32 |= ( *c++ & 0x1F ) << 6;
utf32 |= ( *c++ & 0x3F );
}
else if( ( *c & 0xF0 ) == 0xE0 ) // 1110 xxxx
{
utf32 |= ( *c++ & 0x0F ) << 12;
utf32 |= ( *c++ & 0x3F ) << 6;
utf32 |= ( *c++ & 0x3F );
}
else if( ( *c & 0xF8 ) == 0xF0 ) // 1111 0xxx
{
utf32 |= ( *c++ & 0x07 ) << 18;
utf32 |= ( *c++ & 0x3F ) << 12;
utf32 |= ( *c++ & 0x3F ) << 6;
utf32 |= ( *c++ & 0x3F );
}
else
{
Com_DPrintf( "Unrecognised UTF-8 lead byte: 0x%x\n", (unsigned int)*c );
c++;
}
*utf8NextChar = c;
return utf32;
}
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