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jedi-academy/codemp/qcommon/common.cpp

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2013-04-19 02:52:48 +00:00
// common.c -- misc functions used in client and server
//Anything above this #include will be ignored by the compiler
#include "../qcommon/exe_headers.h"
#include "GenericParser2.h"
#include "stringed_ingame.h"
#include "../qcommon/game_version.h"
#ifndef __linux__
//#include <windows.h>
#include "../qcommon/platform.h"
#endif
#ifdef _XBOX
#include "../xbox/XBLive.h"
#endif
#define MAXPRINTMSG 4096
#define MAX_NUM_ARGVS 50
int com_argc;
char *com_argv[MAX_NUM_ARGVS+1];
#ifdef USE_CD_KEY
extern char cl_cdkey[34];
#endif // USE_CD_KEY
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_viewlog;
cvar_t *com_speeds;
cvar_t *com_developer;
cvar_t *com_vmdebug;
cvar_t *com_dedicated;
cvar_t *com_timescale;
cvar_t *com_fixedtime;
cvar_t *com_dropsim; // 0.0 to 1.0, simulated packet drops
cvar_t *com_journal;
cvar_t *com_maxfps;
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_terrainPhysics; //rwwRMG - added
cvar_t *com_version;
cvar_t *com_blood;
cvar_t *com_buildScript; // for automated data building scripts
cvar_t *com_introPlayed;
cvar_t *cl_paused;
cvar_t *sv_paused;
cvar_t *com_cameraMode;
#if defined(_WIN32) && defined(_DEBUG)
cvar_t *com_noErrorInterrupt;
#endif
cvar_t *com_RMG;
// com_speeds times
int time_game;
int time_frontend; // renderer frontend time
int time_backend; // renderer backend time
int com_frameTime;
int com_frameMsec;
int com_frameNumber;
qboolean com_errorEntered;
qboolean com_fullyInitialized;
char com_errorMessage[MAXPRINTMSG];
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 apropriate 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];
qboolean silent;
va_start (argptr,fmt);
vsprintf (msg,fmt,argptr);
va_end (argptr);
if ( rd_buffer ) {
if ((strlen (msg) + strlen(rd_buffer)) > (rd_buffersize - 1)) {
rd_flush(rd_buffer);
*rd_buffer = 0;
}
Q_strcat(rd_buffer, rd_buffersize, msg);
rd_flush(rd_buffer);
*rd_buffer = 0;
return;
}
// * means dont draw this console message on the player screen
// but put it on the console
silent = qfalse;
if ( msg[0] == '*' )
{
strcpy ( msg, msg + 1 );
if ( msg[1] != '*' )
{
silent = qtrue;
}
}
// echo to console if we're not a dedicated server
if ( com_dedicated && !com_dedicated->integer ) {
CL_ConsolePrint( msg, silent );
}
// echo to dedicated console and early console
Sys_Print( msg );
// logfile
#ifndef _XBOX
if ( com_logfile && com_logfile->integer ) {
if ( !logfile && FS_Initialized() ) {
struct tm *newtime;
time_t aclock;
time( &aclock );
newtime = localtime( &aclock );
logfile = FS_FOpenFileWrite( "qconsole.log" );
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);
}
}
if ( logfile && FS_Initialized()) {
FS_Write(msg, strlen(msg), logfile);
}
}
#endif
#if defined(_WIN32) && defined(_DEBUG) && !defined(_XBOX)
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);
vsprintf (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);
vsprintf (msg,fmt,argptr);
va_end (argptr);
#ifndef __linux__
OutputDebugString(msg);
#else
printf(msg);
#endif
}
/*
=============
Com_Error
Both client and server can use this, and it will
do the apropriate things.
=============
*/
void QDECL Com_Error( int code, const char *fmt, ... ) {
va_list argptr;
static int lastErrorTime;
static int errorCount;
int currentTime;
#ifdef _XBOX
int wasRunningServer = com_sv_running->integer;
#endif
#if defined(_WIN32) && defined(_DEBUG)
if ( code != ERR_DISCONNECT && code != ERR_NEED_CD ) {
if (com_noErrorInterrupt && !com_noErrorInterrupt->integer) {
__asm {
int 0x03
}
}
}
#endif
// when we are running automated scripts, make sure we
// know if anything failed
if ( com_buildScript && com_buildScript->integer ) {
code = ERR_FATAL;
}
// make sure we can get at our local stuff
FS_PureServerSetLoadedPaks( "", "" );
// 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;
if ( com_errorEntered ) {
Sys_Error( "recursive error after: %s", com_errorMessage );
}
com_errorEntered = qtrue;
va_start (argptr,fmt);
vsprintf (com_errorMessage,fmt,argptr);
va_end (argptr);
if ( code != ERR_DISCONNECT ) {
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_SERVERDISCONNECT ) {
CL_Disconnect( qtrue );
CL_FlushMemory( );
com_errorEntered = qfalse;
#ifdef _XBOX
// I THINK this only happens on client
Net_XboxDisconnect();
#endif
throw ("DISCONNECTED\n");
} else if ( code == ERR_DROP || code == ERR_DISCONNECT ) {
Com_Printf ("********************\nERROR: %s\n********************\n", com_errorMessage);
SV_Shutdown (va("Server crashed: %s\n", com_errorMessage));
CL_Disconnect( qtrue );
CL_FlushMemory( );
com_errorEntered = qfalse;
#ifdef _XBOX
// Clients (only) need to do connection cleanup now
if (!wasRunningServer)
Net_XboxDisconnect();
#endif
throw ("DROPPED\n");
} else if ( code == ERR_NEED_CD ) {
SV_Shutdown( "Server didn't have CD\n" );
if ( com_cl_running && com_cl_running->integer ) {
CL_Disconnect( qtrue );
CL_FlushMemory( );
com_errorEntered = qfalse;
} else {
Com_Printf("Server didn't have CD\n" );
}
throw ("NEED CD\n");
} 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 apropriate 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 seperate 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 ) {
com_consoleLines[0] = commandLine;
com_numConsoleLines = 1;
while ( *commandLine ) {
// look for a + seperating character
// if commandLine came from a file, we might have real line seperators
if ( *commandLine == '+' || *commandLine == '\n' ) {
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 ) {
int i;
char *s;
cvar_t *cv;
for (i=0 ; i < com_numConsoleLines ; i++) {
Cmd_TokenizeString( com_consoleLines[i] );
if ( strcmp( Cmd_Argv(0), "set" ) ) {
continue;
}
s = Cmd_Argv(1);
if ( !match || !strcmp( s, match ) ) {
Cvar_Set( s, Cmd_Argv(2) );
cv = Cvar_Get( s, "", 0 );
cv->flags |= CVAR_USER_CREATED;
// com_consoleLines[i] = 0;
}
}
}
/*
=================
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[512];
char value[512];
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 register 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
===================================================================
*/
// bk001129 - here we go again: upped from 64
#define MAX_PUSHED_EVENTS 1024
// bk001129 - init, also static
static int com_pushedEventsHead = 0;
static int com_pushedEventsTail = 0;
// bk001129 - static
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
=================
*/
// bk001129 - added
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; // bk001129 - init, bk001204 - explicit int
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:
// bk001129 - was ev.evTime
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;
case SE_PACKET:
// this cvar allows simulation of connections that
// drop a lot of packets. Note that loopback connections
// don't go through here at all.
if ( com_dropsim->value > 0 ) {
static int seed;
if ( Q_random( &seed ) < com_dropsim->value ) {
break; // drop this packet
}
}
evFrom = *(netadr_t *)ev.evPtr;
buf.cursize = ev.evPtrLength - sizeof( evFrom );
// we must copy the contents of the message out, because
// the event buffers are only large enough to hold the
// exact payload, but channel messages need to be large
// enough to hold fragment reassembly
if ( (unsigned)buf.cursize > buf.maxsize ) {
Com_Printf("Com_EventLoop: oversize packet\n");
continue;
}
Com_Memcpy( buf.data, (byte *)((netadr_t *)ev.evPtr + 1), buf.cursize );
if ( com_sv_running->integer ) {
Com_RunAndTimeServerPacket( &evFrom, &buf );
} else {
CL_PacketEvent( evFrom, &buf );
}
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 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 Com_Crash_f( void ) {
* ( int * ) 0 = 0x12345678;
}
#ifdef USE_CD_KEY
qboolean CL_CDKeyValidate( const char *key, const char *checksum );
/*
=================
Com_ReadCDKey
=================
*/
void Com_ReadCDKey( const char *filename ) {
fileHandle_t f;
char buffer[33];
char fbuffer[MAX_OSPATH];
sprintf(fbuffer, "%s/q3key", filename);
FS_SV_FOpenFileRead( fbuffer, &f );
if ( !f ) {
Q_strncpyz( cl_cdkey, " ", 17 );
return;
}
Com_Memset( buffer, 0, sizeof(buffer) );
FS_Read( buffer, 16, f );
FS_FCloseFile( f );
if (CL_CDKeyValidate(buffer, NULL)) {
Q_strncpyz( cl_cdkey, buffer, 17 );
} else {
Q_strncpyz( cl_cdkey, " ", 17 );
}
}
/*
=================
Com_AppendCDKey
=================
*/
void Com_AppendCDKey( const char *filename ) {
fileHandle_t f;
char buffer[33];
char fbuffer[MAX_OSPATH];
sprintf(fbuffer, "%s/q3key", filename);
FS_SV_FOpenFileRead( fbuffer, &f );
if (!f) {
Q_strncpyz( &cl_cdkey[16], " ", 17 );
return;
}
Com_Memset( buffer, 0, sizeof(buffer) );
FS_Read( buffer, 16, f );
FS_FCloseFile( f );
if (CL_CDKeyValidate(buffer, NULL)) {
strcat( &cl_cdkey[16], buffer );
} else {
Q_strncpyz( &cl_cdkey[16], " ", 17 );
}
}
#ifndef DEDICATED // bk001204
/*
=================
Com_WriteCDKey
=================
*/
static void Com_WriteCDKey( const char *filename, const char *ikey ) {
#ifndef _XBOX
fileHandle_t f;
char fbuffer[MAX_OSPATH];
char key[17];
sprintf(fbuffer, "%s/q3key", filename);
Q_strncpyz( key, ikey, 17 );
if(!CL_CDKeyValidate(key, NULL) ) {
return;
}
f = FS_SV_FOpenFileWrite( fbuffer );
if ( !f ) {
Com_Printf ("Couldn't write %s.\n", filename );
return;
}
FS_Write( key, 16, f );
FS_Printf( f, "\n// generated by jamp, do not modify\r\n" );
FS_Printf( f, "// Do not give this file to ANYONE.\r\n" );
FS_Printf( f, "// id Software and Activision will NOT ask you to send this file to them.\r\n");
FS_FCloseFile( f );
#endif
}
#endif
#endif // USE_CD_KEY
#ifdef MEM_DEBUG
void SH_Register(void);
#endif
/*
=================
Com_Init
=================
*/
void Com_Init( char *commandLine ) {
char *s;
Com_Printf( "%s %s %s\n", Q3_VERSION, CPUSTRING, __DATE__ );
try
{
// bk001129 - do this before anything else decides to push events
Com_InitPushEvent();
Cvar_Init ();
// prepare enough of the subsystems to handle
// cvar and command buffer management
Com_ParseCommandLine( commandLine );
// Swap_Init ();
Cbuf_Init ();
Com_InitZoneMemory();
#ifdef _XBOX
extern void WF_Init();
WF_Init();
#endif
Cmd_Init ();
// override anything from the config files with command line args
Com_StartupVariable( NULL );
// Seed the random number generator
Rand_Init(Sys_Milliseconds(true));
// get the developer cvar set as early as possible
Com_StartupVariable( "developer" );
// done early so bind command exists
CL_InitKeyCommands();
#ifdef _XBOX
extern void Sys_InitFileCodes();
extern void Sys_FilecodeScan_f();
Sys_InitFileCodes();
Cmd_AddCommand("filecodes", Sys_FilecodeScan_f);
extern void Sys_StreamInit();
Sys_StreamInit();
#endif
FS_InitFilesystem ();
Com_InitJournaling();
Cbuf_AddText ("exec mpdefault.cfg\n");
// skip the jampconfig.cfg if "safe" is on the command line
if ( !Com_SafeMode() ) {
#ifdef DEDICATED
Cbuf_AddText ("exec jampserver.cfg\n");
#else
Cbuf_AddText ("exec jampconfig.cfg\n");
#endif
}
Cbuf_AddText ("exec autoexec.cfg\n");
Cbuf_Execute ();
// 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_ROM);
#else
com_dedicated = Cvar_Get ("dedicated", "0", CVAR_LATCH);
#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_maxfps = Cvar_Get ("com_maxfps", "85", CVAR_ARCHIVE);
com_blood = Cvar_Get ("com_blood", "1", CVAR_ARCHIVE);
com_developer = Cvar_Get ("developer", "0", CVAR_TEMP );
com_vmdebug = Cvar_Get ("vmdebug", "0", CVAR_TEMP );
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_terrainPhysics = Cvar_Get ("com_terrainPhysics", "1", CVAR_CHEAT);
com_dropsim = Cvar_Get ("com_dropsim", "0", CVAR_CHEAT);
com_viewlog = Cvar_Get( "viewlog", "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);
com_cl_running = Cvar_Get ("cl_running", "0", CVAR_ROM);
com_buildScript = Cvar_Get( "com_buildScript", "0", 0 );
#ifdef G2_PERFORMANCE_ANALYSIS
com_G2Report = Cvar_Get("com_G2Report", "0", 0);
#endif
com_RMG = Cvar_Get("RMG", "0", 0);
Cvar_Get ("RMG_seed", "0", 0);
Cvar_Get ("RMG_time", "day", 0);
Cvar_Get ("RMG_soundset", "", 0);
Cvar_Get ("RMG_textseed", "0", CVAR_SYSTEMINFO|CVAR_ARCHIVE);
Cvar_Get ("RMG_map", "small", CVAR_ARCHIVE|CVAR_SYSTEMINFO);
Cvar_Get ("RMG_timefile", "day", CVAR_ARCHIVE);
Cvar_Get ("RMG_terrain", "grassyhills", CVAR_ARCHIVE);
Cvar_Get ("RMG_sky", "", CVAR_SYSTEMINFO );
Cvar_Get ("RMG_fog", "", CVAR_SYSTEMINFO );
Cvar_Get ("RMG_weather", "", CVAR_SYSTEMINFO|CVAR_SERVERINFO|CVAR_CHEAT );
Cvar_Get ("RMG_instances", "colombia", CVAR_SYSTEMINFO );
Cvar_Get ("RMG_miscents", "deciduous", 0);
Cvar_Get ("RMG_music", "music/dm_kam1", 0);
Cvar_Get ("RMG_mission", "ctf", CVAR_SYSTEMINFO );
Cvar_Get ("RMG_course", "standard", CVAR_SYSTEMINFO );
Cvar_Get ("RMG_distancecull", "5000", CVAR_CHEAT );
com_introPlayed = Cvar_Get( "com_introplayed", "0", CVAR_ARCHIVE);
#if defined(_WIN32) && defined(_DEBUG)
com_noErrorInterrupt = Cvar_Get( "com_noErrorInterrupt", "0", 0 );
#endif
if ( com_dedicated->integer ) {
if ( !com_viewlog->integer ) {
Cvar_Set( "viewlog", "1" );
}
}
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);
Cmd_AddCommand ("changeVectors", MSG_ReportChangeVectors_f );
Cmd_AddCommand ("writeconfig", Com_WriteConfig_f );
s = va("%s %s %s", Q3_VERSION, CPUSTRING, __DATE__ );
com_version = Cvar_Get ("version", s, CVAR_ROM | CVAR_SERVERINFO );
SE_Init();
Sys_Init();
Netchan_Init( Com_Milliseconds() & 0xffff ); // pick a port value that should be nice and random
VM_Init();
SV_Init();
#ifdef _XBOX
//Load this earlier so it doesn't create a fragment in the middle of
//the zone.
extern int PC_LoadGlobalDefines(const char*);
PC_LoadGlobalDefines("ui/jamp/menudef.h");
#endif
com_dedicated->modified = qfalse;
if ( !com_dedicated->integer ) {
CL_Init();
Sys_ShowConsole( com_viewlog->integer, qfalse );
}
// 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 )
{
#ifndef _DEBUG
Cbuf_AddText ("cinematic openinglogos.roq\n");
#endif
// intro.roq is iD's.
// if( !com_introPlayed->integer ) {
// Cvar_Set( com_introPlayed->name, "1" );
// Cvar_Set( "nextmap", "cinematic intro.RoQ" );
// }
}
}
// 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");
#ifdef MEM_DEBUG
SH_Register();
#endif
com_fullyInitialized = qtrue;
Com_Printf ("--- Common Initialization Complete ---\n");
}
catch (const char* reason) {
Sys_Error ("Error during initialization: %s", reason);
}
}
//==================================================================
void Com_WriteConfigToFile( const char *filename ) {
#ifndef _XBOX
fileHandle_t f;
f = FS_FOpenFileWrite( filename );
if ( !f ) {
Com_Printf ("Couldn't write %s.\n", filename );
return;
}
FS_Printf (f, "// generated by Star Wars Jedi Academy MP, do not modify\n");
Key_WriteBindings (f);
Cvar_WriteVariables (f);
FS_FCloseFile( f );
#endif
}
/*
===============
Com_WriteConfiguration
Writes key bindings and archived cvars to config file if modified
===============
*/
void Com_WriteConfiguration( void ) {
#ifndef DEDICATED // bk001204
#ifdef USE_CD_KEY
cvar_t *fs;
#endif // USE_CD_KEY
#endif
// 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;
#ifdef DEDICATED
Com_WriteConfigToFile( "jampserver.cfg" );
#else
Com_WriteConfigToFile( "jampconfig.cfg" );
#endif
// bk001119 - tentative "not needed for dedicated"
#ifndef DEDICATED
#ifdef USE_CD_KEY
fs = Cvar_Get ("fs_game", "", CVAR_INIT|CVAR_SYSTEMINFO );
if (UI_usesUniqueCDKey() && fs && fs->string[0] != 0) {
Com_WriteCDKey( fs->string, &cl_cdkey[16] );
} else {
Com_WriteCDKey( "base", cl_cdkey );
}
#endif // USE_CD_KEY
#endif
}
/*
===============
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" );
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 ( 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_Frame
=================
*/
void Com_Frame( void ) {
try
{
#ifdef G2_PERFORMANCE_ANALYSIS
G2PerformanceTimer_PreciseFrame.Start();
#endif
int msec, minMsec;
static int lastTime;
int key;
int timeBeforeFirstEvents;
int timeBeforeServer;
int timeBeforeEvents;
int timeBeforeClient;
int timeAfter;
// bk001204 - init to zero.
// also: might be clobbered by `longjmp' or `vfork'
timeBeforeFirstEvents =0;
timeBeforeServer =0;
timeBeforeEvents =0;
timeBeforeClient = 0;
timeAfter = 0;
// old net chan encryption key
key = 0x87243987;
// write config file if anything changed
Com_WriteConfiguration();
// if "viewlog" has been modified, show or hide the log console
if ( com_viewlog->modified ) {
if ( !com_dedicated->value ) {
Sys_ShowConsole( com_viewlog->integer, qfalse );
}
com_viewlog->modified = qfalse;
}
//
// main event loop
//
if ( com_speeds->integer ) {
timeBeforeFirstEvents = Sys_Milliseconds ();
}
// we may want to spin here if things are going too fast
if ( !com_dedicated->integer && com_maxfps->integer > 0 && !com_timedemo->integer ) {
minMsec = 1000 / com_maxfps->integer;
} else {
minMsec = 1;
}
do {
com_frameTime = Com_EventLoop();
if ( lastTime > com_frameTime ) {
lastTime = com_frameTime; // possible on first frame
}
msec = com_frameTime - lastTime;
} while ( msec < minMsec );
Cbuf_Execute ();
lastTime = com_frameTime;
// mess with msec if needed
com_frameMsec = msec;
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();
Sys_ShowConsole( com_viewlog->integer, qfalse );
CL_StartHunkUsers(); //fire up the UI!
} else {
CL_Shutdown();
Sys_ShowConsole( 1, qtrue );
}
}
//
// 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 ();
}
}
//
// 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;
}
// old net chan encryption key
key = lastTime * 0x87243987;
com_frameNumber++;
#ifdef _XBOX
// Need to do Xbox Live frame here, because it can trigger an ERR_DROP
XBL_Tick();
#endif
}//try
catch (const char* reason) {
Com_Printf (reason);
return; // an ERR_DROP was thrown
}
#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);
}
*/
}
leave the masm assembly to msvc
2013-04-25 05:52:11 +00:00
#if !(defined(_MSVC_VER) && defined(id386))
ditch dos style newlines
2013-04-19 02:52:48 +00:00
void Com_Memcpy (void* dest, const void* src, const size_t count)
{
memcpy(dest, src, count);
}
void Com_Memset (void* dest, const int val, const size_t count)
{
memset(dest, val, count);
}
#else
typedef enum
{
PRE_READ, // prefetch assuming that buffer is used for reading only
PRE_WRITE, // prefetch assuming that buffer is used for writing only
PRE_READ_WRITE // prefetch assuming that buffer is used for both reading and writing
} e_prefetch;
void Com_Prefetch (const void *s, const unsigned int bytes, e_prefetch type);
#define EMMS_INSTRUCTION __asm emms
void _copyDWord (unsigned int* dest, const unsigned int constant, const unsigned int count) {
__asm
{
mov edx,dest
mov eax,constant
mov ecx,count
and ecx,~7
jz padding
sub ecx,8
jmp loopu
align 16
loopu:
test [edx+ecx*4 + 28],ebx // fetch next block destination to L1 cache
mov [edx+ecx*4 + 0],eax
mov [edx+ecx*4 + 4],eax
mov [edx+ecx*4 + 8],eax
mov [edx+ecx*4 + 12],eax
mov [edx+ecx*4 + 16],eax
mov [edx+ecx*4 + 20],eax
mov [edx+ecx*4 + 24],eax
mov [edx+ecx*4 + 28],eax
sub ecx,8
jge loopu
padding: mov ecx,count
mov ebx,ecx
and ecx,7
jz outta
and ebx,~7
lea edx,[edx+ebx*4] // advance dest pointer
test [edx+0],eax // fetch destination to L1 cache
cmp ecx,4
jl skip4
mov [edx+0],eax
mov [edx+4],eax
mov [edx+8],eax
mov [edx+12],eax
add edx,16
sub ecx,4
skip4: cmp ecx,2
jl skip2
mov [edx+0],eax
mov [edx+4],eax
add edx,8
sub ecx,2
skip2: cmp ecx,1
jl outta
mov [edx+0],eax
outta:
}
}
// optimized memory copy routine that handles all alignment
// cases and block sizes efficiently
void Com_Memcpy (void* dest, const void* src, const size_t count) {
Com_Prefetch (src, count, PRE_READ);
__asm
{
push edi
push esi
mov ecx,count
cmp ecx,0 // count = 0 check (just to be on the safe side)
je outta
mov edx,dest
mov ebx,src
cmp ecx,32 // padding only?
jl padding
mov edi,ecx
and edi,~31 // edi = count&~31
sub edi,32
align 16
loopMisAligned:
mov eax,[ebx + edi + 0 + 0*8]
mov esi,[ebx + edi + 4 + 0*8]
mov [edx+edi+0 + 0*8],eax
mov [edx+edi+4 + 0*8],esi
mov eax,[ebx + edi + 0 + 1*8]
mov esi,[ebx + edi + 4 + 1*8]
mov [edx+edi+0 + 1*8],eax
mov [edx+edi+4 + 1*8],esi
mov eax,[ebx + edi + 0 + 2*8]
mov esi,[ebx + edi + 4 + 2*8]
mov [edx+edi+0 + 2*8],eax
mov [edx+edi+4 + 2*8],esi
mov eax,[ebx + edi + 0 + 3*8]
mov esi,[ebx + edi + 4 + 3*8]
mov [edx+edi+0 + 3*8],eax
mov [edx+edi+4 + 3*8],esi
sub edi,32
jge loopMisAligned
mov edi,ecx
and edi,~31
add ebx,edi // increase src pointer
add edx,edi // increase dst pointer
and ecx,31 // new count
jz outta // if count = 0, get outta here
padding:
cmp ecx,16
jl skip16
mov eax,dword ptr [ebx]
mov dword ptr [edx],eax
mov eax,dword ptr [ebx+4]
mov dword ptr [edx+4],eax
mov eax,dword ptr [ebx+8]
mov dword ptr [edx+8],eax
mov eax,dword ptr [ebx+12]
mov dword ptr [edx+12],eax
sub ecx,16
add ebx,16
add edx,16
skip16:
cmp ecx,8
jl skip8
mov eax,dword ptr [ebx]
mov dword ptr [edx],eax
mov eax,dword ptr [ebx+4]
sub ecx,8
mov dword ptr [edx+4],eax
add ebx,8
add edx,8
skip8:
cmp ecx,4
jl skip4
mov eax,dword ptr [ebx] // here 4-7 bytes
add ebx,4
sub ecx,4
mov dword ptr [edx],eax
add edx,4
skip4: // 0-3 remaining bytes
cmp ecx,2
jl skip2
mov ax,word ptr [ebx] // two bytes
cmp ecx,3 // less than 3?
mov word ptr [edx],ax
jl outta
mov al,byte ptr [ebx+2] // last byte
mov byte ptr [edx+2],al
jmp outta
skip2:
cmp ecx,1
jl outta
mov al,byte ptr [ebx]
mov byte ptr [edx],al
outta:
pop esi
pop edi
}
}
void Com_Memset (void* dest, const int val, const size_t count)
{
unsigned int fillval;
if (count < 8)
{
__asm
{
mov edx,dest
mov eax, val
mov ah,al
mov ebx,eax
and ebx, 0xffff
shl eax,16
add eax,ebx // eax now contains pattern
mov ecx,count
cmp ecx,4
jl skip4
mov [edx],eax // copy first dword
add edx,4
sub ecx,4
skip4: cmp ecx,2
jl skip2
mov word ptr [edx],ax // copy 2 bytes
add edx,2
sub ecx,2
skip2: cmp ecx,0
je skip1
mov byte ptr [edx],al // copy single byte
skip1:
}
return;
}
fillval = val;
fillval = fillval|(fillval<<8);
fillval = fillval|(fillval<<16); // fill dword with 8-bit pattern
_copyDWord ((unsigned int*)(dest),fillval, count/4);
__asm // padding of 0-3 bytes
{
mov ecx,count
mov eax,ecx
and ecx,3
jz skipA
and eax,~3
mov ebx,dest
add ebx,eax
mov eax,fillval
cmp ecx,2
jl skipB
mov word ptr [ebx],ax
cmp ecx,2
je skipA
mov byte ptr [ebx+2],al
jmp skipA
skipB:
cmp ecx,0
je skipA
mov byte ptr [ebx],al
skipA:
}
}
qboolean Com_Memcmp (const void *src0, const void *src1, const unsigned int count)
{
unsigned int i;
// MMX version anyone?
if (count >= 16)
{
unsigned int *dw = (unsigned int*)(src0);
unsigned int *sw = (unsigned int*)(src1);
unsigned int nm2 = count/16;
for (i = 0; i < nm2; i+=4)
{
unsigned int tmp = (dw[i+0]-sw[i+0])|(dw[i+1]-sw[i+1])|
(dw[i+2]-sw[i+2])|(dw[i+3]-sw[i+3]);
if (tmp)
return qfalse;
}
}
if (count & 15)
{
byte *d = (byte*)src0;
byte *s = (byte*)src1;
for (i = count & 0xfffffff0; i < count; i++)
if (d[i]!=s[i])
return qfalse;
}
return qtrue;
}
void Com_Prefetch (const void *s, const unsigned int bytes, e_prefetch type)
{
// write buffer prefetching is performed only if
// the processor benefits from it. Read and read/write
// prefetching is always performed.
switch (type)
{
case PRE_WRITE : break;
case PRE_READ:
case PRE_READ_WRITE:
__asm
{
mov ebx,s
mov ecx,bytes
cmp ecx,4096 // clamp to 4kB
jle skipClamp
mov ecx,4096
skipClamp:
add ecx,0x1f
shr ecx,5 // number of cache lines
jz skip
jmp loopie
align 16
loopie: test byte ptr [ebx],al
add ebx,32
dec ecx
jnz loopie
skip:
}
break;
}
}
#endif // bk001208 - memset/memcpy assembly, Q_acos needed (RC4)
//------------------------------------------------------------------------
/*
=====================
Q_acos
the msvc acos doesn't always return a value between -PI and PI:
int i;
i = 1065353246;
acos(*(float*) &i) == -1.#IND0
This should go in q_math but it is too late to add new traps
to game and ui
=====================
*/
float Q_acos(float c) {
float angle;
angle = acos(c);
if (angle > M_PI) {
return (float)M_PI;
}
if (angle < -M_PI) {
return (float)M_PI;
}
return angle;
}
float Q_asin(float c)
{
float angle;
angle = asin(c);
if (angle > M_PI) {
return (float)M_PI;
}
if (angle < -M_PI) {
return (float)M_PI;
}
return angle;
}
//rwwRMG: Inserted:
/*
============
ParseTextFile
============
*/
bool Com_ParseTextFile(const char *file, class CGenericParser2 &parser, bool cleanFirst)
{
fileHandle_t f;
int length = 0;
char *buf = 0, *bufParse = 0;
length = FS_FOpenFileByMode( file, &f, FS_READ );
if (!f || !length)
{
return false;
}
buf = new char [length + 1];
FS_Read( buf, length, f );
buf[length] = 0;
bufParse = buf;
parser.Parse(&bufParse, cleanFirst);
delete buf;
FS_FCloseFile( f );
return true;
}
void Com_ParseTextFileDestroy(class CGenericParser2 &parser)
{
parser.Clean();
}
CGenericParser2 *Com_ParseTextFile(const char *file, bool cleanFirst, bool writeable)
{
fileHandle_t f;
int length = 0;
char *buf = 0, *bufParse = 0;
CGenericParser2 *parse;
length = FS_FOpenFileByMode( file, &f, FS_READ );
if (!f || !length)
{
return 0;
}
buf = new char [length + 1];
FS_Read( buf, length, f );
FS_FCloseFile( f );
buf[length] = 0;
bufParse = buf;
parse = new CGenericParser2;
if (!parse->Parse(&bufParse, cleanFirst, writeable))
{
delete parse;
parse = 0;
}
delete buf;
return parse;
}
Reference in a new issue Copy permalink