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fteqw/engine/common/cmd.c
Spoike 53a7b3d47c added support for external capture plugins - and using avcodec as a plugin.c. 
The ragdoll API is potentially usable now, but still really limited.
Enabled SQL requests by default using sqlite. Note that you'll need the sqlite dll to use this. MySQL should still be usable, but I didn't try. MySQL requires -DUSE_MYSQL to compile it, and a dll and -mysql argument to enable it.
Fixed nacl.
NPFTE plugin now invokes an exe to run the game rather than running the game within the browser.
externvalue builtin now accepts & prefix to return a pointer instead.
Fixed vector autocvars.
uri_get, bufstr_add, bufstr_free, now functional.
QC debugger can now show asm if line numbers are not available.
Added support for QC watchpoints. Use the watchpoint command.
gl_specular now give specular even without rtlights, thankfully not as blatently, but its there.
android will not crash due to supported audio formats, and gles2 can be selected via a cvar (requires full FTEDroidActivity/program restart).

git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@4152 fc73d0e0-1445-4013-8a0c-d673dee63da5
2012-11-27 03:23:19 +00:00

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/*
Copyright (C) 1996-1997 Id Software, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
// cmd.c -- Quake script command processing module
#include "quakedef.h"
cvar_t com_fs_cache = SCVARF("fs_cache", IFMINIMAL("2","1"), CVAR_ARCHIVE);
cvar_t rcon_level = SCVAR("rcon_level", "20");
cvar_t cmd_maxbuffersize = SCVAR("cmd_maxbuffersize", "65536");
cvar_t dpcompat_set = SCVAR("dpcompat_set", "0");
int Cmd_ExecLevel;
void Cmd_ForwardToServer (void);
#define MAX_ALIAS_NAME 32
typedef struct cmdalias_s
{
struct cmdalias_s *next;
char name[MAX_ALIAS_NAME];
char *value;
qbyte execlevel;
qbyte restriction;
int flags;
} cmdalias_t;
#define ALIAS_FROMSERVER 1
cmdalias_t *cmd_alias;
cvar_t cl_warncmd = SCVAR("cl_warncmd", "0");
cvar_t cl_aliasoverlap = SCVARF("cl_aliasoverlap", "1", CVAR_NOTFROMSERVER);
cvar_t tp_disputablemacros = SCVARF("tp_disputablemacros", "1", CVAR_SEMICHEAT);
//=============================================================================
#define MAX_MACROS 64
typedef struct {
char name[32];
char *(*func) (void);
int disputableintentions;
} macro_command_t;
static macro_command_t macro_commands[MAX_MACROS];
static int macro_count = 0;
void Cmd_AddMacro(char *s, char *(*f)(void), int disputableintentions)
{
int i;
for (i = 0; i < macro_count; i++)
{
if (!strcmp(macro_commands[i].name, s))
break;
}
if (i == MAX_MACROS)
Sys_Error("Cmd_AddMacro: macro_count == MAX_MACROS");
Q_strncpyz(macro_commands[macro_count].name, s, sizeof(macro_commands[macro_count].name));
macro_commands[macro_count].func = f;
macro_commands[macro_count].disputableintentions = disputableintentions;
if (i == macro_count)
macro_count++;
}
char *TP_MacroString (char *s, int *len)
{
int i;
macro_command_t *macro;
for (i = 0; i < macro_count; i++)
{
macro = &macro_commands[i];
if (!Q_strcasecmp(s, macro->name))
{
if (macro->disputableintentions)
if (!tp_disputablemacros.ival)
continue;
if (len)
*len = strlen(macro->name);
return macro->func();
}
}
return NULL;
}
void Cmd_MacroList_f (void)
{
int i;
if (!macro_count)
{
Con_Printf("No macros!");
return;
}
for (i = 0; i < macro_count; i++)
Con_Printf ("$%s\n", macro_commands[i].name);
}
/*
=============================================================================
COMMAND BUFFER
=============================================================================
*/
struct {
sizebuf_t buf;
int noclear;
double waitattime;
} cmd_text[RESTRICT_MAX+1+MAX_SPLITS]; //max is local.
//RESTRICT_MAX+1 is the from sever buffer (max+2 is for second player...)
/*
============
Cmd_Wait_f
Causes execution of the remainder of the command buffer to be delayed until
next frame. This allows commands like:
bind g "impulse 5 ; +attack ; wait ; -attack ; impulse 2"
============
*/
void Cmd_Wait_f (void)
{
cmd_text[Cmd_ExecLevel].waitattime = realtime;
}
/*
============
Cbuf_Init
============
*/
void Cbuf_Init (void)
{
int level;
for (level = 0; level <= RESTRICT_MAX+1; level++)
cmd_text[level].waitattime = -1;
}
/*
============
Cbuf_AddText
Adds command text at the end of the buffer
============
*/
void Cbuf_AddText (const char *text, int level)
{
int l;
if (level > sizeof(cmd_text)/sizeof(cmd_text[0]) || level < 0)
{
Con_Printf("Bad execution level\n");
return; //reject.
}
l = Q_strlen (text);
if (!cmd_text[level].buf.maxsize)
{
cmd_text[level].buf.data = (qbyte*)BZ_Malloc(8192);
cmd_text[level].buf.maxsize = 8192;
}
if (cmd_text[level].buf.cursize + l >= cmd_text[level].buf.maxsize)
{
int newmax;
newmax = cmd_text[level].buf.maxsize*2;
if (newmax > cmd_maxbuffersize.ival && cmd_maxbuffersize.ival)
{
Con_TPrintf (TL_FUNCOVERFLOW, "Cbuf_AddText");
return;
}
while (newmax < cmd_text[level].buf.cursize + l)
newmax*=2;
cmd_text[level].buf.data = (qbyte*)BZ_Realloc(cmd_text[level].buf.data, newmax);
cmd_text[level].buf.maxsize = newmax;
}
SZ_Write (&cmd_text[level].buf, text, Q_strlen (text));
}
/*
============
Cbuf_InsertText
Adds command text immediately after the current command
Adds a \n to the text
FIXME: actually change the command buffer to do less copying
============
*/
void Cbuf_InsertText (const char *text, int level, qboolean addnl)
{
char *temp;
int templen;
if (level > sizeof(cmd_text)/sizeof(cmd_text[0]) || level < 0)
{
Con_Printf("Bad execution level\n");
return; //reject.
}
// copy off any commands still remaining in the exec buffer
templen = cmd_text[level].buf.cursize;
if (templen)
{
temp = (char*)Z_Malloc (templen+1);
Q_memcpy (temp, cmd_text[level].buf.data, templen);
SZ_Clear (&cmd_text[level].buf);
}
else
temp = NULL; // shut up compiler
// add the entire text of the file
Cbuf_AddText (text, level);
if (addnl)
SZ_Write (&cmd_text[level].buf, "\n", 1);
// add the copied off data
if (templen)
{
temp[templen] = '\0';
Cbuf_AddText(temp, level);
// SZ_Write (&cmd_text[level].buf, temp, templen);
Z_Free (temp);
}
}
char *Cbuf_GetNext(int level, qboolean ignoresemicolon)
{
int i;
char *text;
int quotes;
static char line[1024];
start:
text = (char *)cmd_text[level].buf.data;
quotes = 0;
for (i=0 ; i< cmd_text[level].buf.cursize ; i++)
{
if (text[i] == '"')
quotes++;
if ( !(quotes&1) && text[i] == ';' && !ignoresemicolon)
break; // don't break if inside a quoted string
if (text[i] == '\n')
break;
}
if (i >= sizeof(line)-1)
{
Con_Printf("Statement too long\n");
return "";
}
memcpy (line, text, i);
line[i] = 0;
// delete the text from the command buffer and move remaining commands down
// this is necessary because commands (exec, alias) can insert data at the
// beginning of the text buffer
if (i == cmd_text[level].buf.cursize)
cmd_text[level].buf.cursize = 0;
else
{
i++;
cmd_text[level].buf.cursize -= i;
memmove (text, text+i, cmd_text[level].buf.cursize);
}
// Con_Printf("Found \"%s\"\n", line);
text=line;
while(*text == ' ' || *text == '\t')
text++;
if (!*text)
if (cmd_text[level].buf.cursize)
goto start; //should be a while.
return text;
}
char *Cbuf_StripText(int level) //remove all text in the command buffer and return it (so it can be readded later)
{
char *buf;
buf = (char*)Z_Malloc(cmd_text[level].buf.cursize+1);
Q_memcpy (buf, cmd_text[level].buf.data, cmd_text[level].buf.cursize);
cmd_text[level].buf.cursize = 0;
return buf;
}
void Cbuf_ExecuteLevel (int level)
{
int i;
char *text;
char line[1024];
qboolean quotes, comment;
while (cmd_text[level].buf.cursize)
{
if (cmd_text[level].waitattime == realtime)
{ // skip out while text still remains in buffer, leaving it
// for next frame
break;
}
// find a \n or ; line break
text = (char *)cmd_text[level].buf.data;
quotes = false;
comment = false;
for (i=0 ; i< cmd_text[level].buf.cursize ; i++)
{
if (text[i] == '\n')
break;
if (text[i] == '"')
{
quotes++;
continue;
}
if (comment || (quotes&1))
continue;
if (text[i] == '/' && i+1 < cmd_text[level].buf.cursize && text[i+1] == '/')
comment = true;
else if (text[i] == ';')
break; // don't break if inside a quoted string
}
if (i >= sizeof(line))
i = sizeof(line)-1;
memcpy (line, text, i);
line[i] = 0;
// delete the text from the command buffer and move remaining commands down
// this is necessary because commands (exec, alias) can insert data at the
// beginning of the text buffer
if (i == cmd_text[level].buf.cursize)
cmd_text[level].buf.cursize = 0;
else
{
i++;
cmd_text[level].buf.cursize -= i;
memmove (text, text+i, cmd_text[level].buf.cursize);
}
// execute the command line
Cmd_ExecuteString (line, level);
}
}
/*
============
Cbuf_Execute
============
*/
void Cbuf_Execute (void)
{
int level;
for (level = 0; level < sizeof(cmd_text)/sizeof(cmd_text[0]); level++)
Cbuf_ExecuteLevel(level);
}
/*
==============================================================================
SCRIPT COMMANDS
==============================================================================
*/
/*
===============
Cmd_StuffCmds_f
Adds command line parameters as script statements
Commands lead with a +, and continue until a - or another +
quake +prog jctest.qp +cmd amlev1
quake -nosound +cmd amlev1
===============
*/
void Cmd_StuffCmds (void)
{
int i, j;
int s;
char *text, *build, c;
// build the combined string to parse from
s = 0;
for (i=1 ; i<com_argc ; i++)
{
if (!com_argv[i])
continue; // NEXTSTEP nulls out -NXHost
s += Q_strlen (com_argv[i]) + 3;
}
if (!s)
return;
text = (char*)Z_Malloc (s+1);
text[0] = 0;
for (i=1 ; i<com_argc ; i++)
{
if (!com_argv[i])
continue; // NEXTSTEP nulls out -NXHost
if (strchr(com_argv[i], ' ') || strchr(com_argv[i], '\t') || strchr(com_argv[i], '@'))
{
Q_strcat (text,"\"");
Q_strcat (text,com_argv[i]);
Q_strcat (text,"\"");
}
else
Q_strcat (text,com_argv[i]);
if (i != com_argc-1)
Q_strcat (text, " ");
}
// pull out the commands
build = (char*)Z_Malloc (s+1);
build[0] = 0;
for (i=0 ; i<s-1 ; i++)
{
if (text[i] == '+')
{
i++;
for (j=i ; ((text[j-1] != ' ') || ((text[j] != '+') && (text[j] != '-'))) && (text[j] != 0) ; j++)
;
c = text[j];
text[j] = 0;
Q_strcat (build, text+i);
Q_strcat (build, "\n");
text[j] = c;
i = j-1;
}
}
if (build[0])
Cbuf_AddText (build, RESTRICT_LOCAL);
Z_Free (text);
Z_Free (build);
}
/*
===============
Cmd_Exec_f
===============
*/
void Cmd_Exec_f (void)
{
char *f;
char name[256];
if (Cmd_Argc () != 2)
{
Con_TPrintf (TL_EXECCOMMANDUSAGE);
return;
}
if (!strcmp(Cmd_Argv(0), "cfg_load"))
{
f = Cmd_Argv(1);
if (!*f)
f = "fte";
snprintf(name, sizeof(name)-5, "configs/%s", f);
COM_DefaultExtension(name, ".cfg", sizeof(name));
}
else
Q_strncpyz(name, Cmd_Argv(1), sizeof(name));
if (FS_LoadFile(name, (void **)&f) != -1)
;
else if (FS_LoadFile(va("%s.cfg", name), (void **)&f) != -1)
;
else
{
Con_TPrintf (TL_EXECFAILED,name);
return;
}
if (cl_warncmd.ival || developer.ival)
Con_TPrintf (TL_EXECING,name);
// don't execute anything as if it was from server
Cbuf_InsertText (f, Cmd_FromGamecode() ? RESTRICT_INSECURE : Cmd_ExecLevel, true);
FS_FreeFile(f);
}
/*
===============
Cmd_Echo_f
Just prints the rest of the line to the console
===============
*/
void Cmd_Echo_f (void)
{
int i;
for (i=1 ; i<Cmd_Argc() ; i++)
Con_Printf ("%s ",Cmd_Argv(i));
Con_Printf ("\n");
}
char *CopyString (char *in)
{
char *out;
out = (char*)Z_Malloc (strlen(in)+1);
strcpy (out, in);
return out;
}
void Cmd_ShowAlias_f (void)
{
cmdalias_t *a;
char *s;
s = Cmd_Argv(1);
//find it, print it
for (a = cmd_alias ; a ; a=a->next)
{
if (!strcmp(s, a->name))
{
Con_Printf ("alias %s %s\n", a->name, a->value);
return;
}
}
Con_Printf("Alias doesn't exist\n");
}
/*
===============
Cmd_Alias_f
Creates a new command that executes a command string (possibly ; seperated)
===============
*/
void Cmd_Alias_f (void)
{
cmdalias_t *a, *b;
char cmd[1024];
int i, c;
char *s;
qboolean multiline;
if (Cmd_Argc() == 1) //list em all.
{
if (Cmd_FromGamecode())
{
if (Cmd_ExecLevel==RESTRICT_SERVER)
{
Con_TPrintf (TL_CURRENTALIASCOMMANDS);
for (a = cmd_alias ; a ; a=a->next)
{
if (a->flags & ALIAS_FROMSERVER)
Con_Printf ("%s : %s\n", a->name, a->value);
}
}
}
else
{
Con_TPrintf (TL_CURRENTALIASCOMMANDS);
for (a = cmd_alias ; a ; a=a->next)
{
/* extern int con_linewidth;
if (strlen(a->value)+strlen(a->name)+3 > con_linewidth)
Con_Printf ("%s ...\n", a->name);
else*/
Con_Printf ("%s : %s\n", a->name, a->value);
}
}
return;
}
s = Cmd_Argv(1);
if (strlen(s) >= MAX_ALIAS_NAME || !strcmp(s, "say")) //reject aliasing the say command. We use it as an easy way to warn that our player is cheating.
{
Con_TPrintf (TL_ALIASNAMETOOLONG);
return;
}
if (!cl_aliasoverlap.value)
{
if (Cvar_FindVar (s))
{
if (Cmd_FromGamecode())
{
snprintf(cmd, sizeof(cmd), "%s_a", s);
Con_Printf ("Can't register alias, %s is a cvar\nAlias has been named %s instead\n", s, cmd);
s = cmd;
}
else
{
Con_Printf ("Can't register alias, %s is a cvar\n", s);
return;
}
}
// check for overlap with a command
if (Cmd_Exists (s))
{
if (Cmd_FromGamecode())
{
snprintf(cmd, sizeof(cmd), "%s_a", s);
Con_Printf ("Can't register alias, %s is a command\nAlias has been named %s instead\n", s, cmd);
s = cmd;
}
else
{
Con_Printf ("Can't register alias, %s is a command\n", s);
return;
}
}
}
// if the alias already exists, reuse it
for (a = cmd_alias ; a ; a=a->next)
{
if (!strcmp(s, a->name))
{
if ((a->restriction?a->restriction:rcon_level.ival) > Cmd_ExecLevel)
{
Con_TPrintf (TL_ALIASRESTRICTIONLEVELERROR);
return;
}
if (!stricmp(Cmd_Argv(0), "newalias"))
return; //newalias command only registers the alias if it is new, and does not change it if it already exists
Z_Free (a->value);
break;
}
}
if (!a)
{
a = (cmdalias_t*)Z_Malloc (sizeof(cmdalias_t));
a->next = cmd_alias;
cmd_alias = a;
}
if (Cmd_FromGamecode())
a->flags |= ALIAS_FROMSERVER;
else
a->flags &= ~ALIAS_FROMSERVER;
strcpy (a->name, s);
multiline = false;
if (Cmd_Argc() == 2) //check the next statement for being '{'
{
char *line, *end;
line = Cbuf_GetNext(Cmd_ExecLevel, false);
while(*line <= ' ' && *line) //skip leading whitespace.
line++;
for (end = line + strlen(line)-1; end >= line && *end <= ' '; end--) //skip trailing
*end = '\0';
if (!strcmp(line, "{"))
multiline = true;
else
Cbuf_InsertText(line, Cmd_ExecLevel, true); //whoops. Stick the trimmed string back in to the cbuf.
}
else if (!strcmp(Cmd_Argv(2), "{"))
multiline = true;
if (multiline)
{ //fun! MULTILINE ALIASES!!!!
char *newv;
char *end;
int in = 1;
a->value = NULL;
for(;;)
{
s = Cbuf_GetNext(Cmd_ExecLevel, false);
if (!*s)
{
Con_Printf(CON_WARNING "WARNING: Multiline alias was not terminated\n");
break;
}
while (*s <= ' ' && *s)
s++;
for (end = s + strlen(s)-1; end >= s && *end <= ' '; end--)
*end = '\0';
if (!strcmp(s, "{"))
in++;
else if (!strcmp(s, "}"))
{
in--;
if (!in)
break; //phew
}
if (a->value)
{
newv = (char*)Z_Malloc(strlen(a->value) + strlen(s) + 2);
sprintf(newv, "%s;%s", a->value, s);
Z_Free(a->value);
a->value = newv;
}
else
a->value = CopyString(s);
}
return;
}
// copy the rest of the command line
cmd[0] = 0; // start out with a null string
c = Cmd_Argc();
for (i=2 ; i< c ; i++)
{
strcat (cmd, Cmd_Argv(i));
if (i != c-1)
strcat (cmd, " ");
}
if (!*cmd) //someone wants to wipe it. let them
{
if (a == cmd_alias)
{
cmd_alias = a->next;
Z_Free(a);
return;
}
else
{
for (b = cmd_alias ; b ; b=b->next)
{
if (b->next == a)
{
b->next = a->next;
Z_Free(a);
return;
}
}
}
}
if (Cmd_FromGamecode())
{
a->execlevel = RESTRICT_SERVER; //server-set aliases MUST run at the server's level.
a->restriction = 1; //and be runnable at the user's level
}
else
{
a->execlevel = 0; //run at users exec level
a->restriction = 1; //this is possibly a security risk if the admin also changes execlevel
}
a->value = CopyString (cmd);
}
void Cmd_DeleteAlias(char *name)
{
cmdalias_t *a, *b;
if (!strcmp(cmd_alias->name, name))
{
a = cmd_alias;
cmd_alias = cmd_alias->next;
Z_Free(a);
return;
}
for (a = cmd_alias ; a ; a=a->next)
{
if (!strcmp(a->next->name, name))
{
b = a->next;
a->next = b->next;
Z_Free(b);
return;
}
}
}
char *Cmd_AliasExist(char *name, int restrictionlevel)
{
cmdalias_t *a;
// if the alias already exists, reuse it
for (a = cmd_alias ; a ; a=a->next)
{
if (!strcmp(name, a->name))
{
if ((a->restriction?a->restriction:rcon_level.ival) > restrictionlevel)
{
return NULL; //not at this level...
}
return a->value;
}
}
return NULL;
}
void Cmd_AliasLevel_f (void)
{
cmdalias_t *a;
char *s = Cmd_Argv(1);
int level;
if (Cmd_Argc() < 2 || Cmd_Argc() > 3)
{
Con_TPrintf(TL_ALIASLEVELCOMMANDUSAGE);
return;
}
for (a = cmd_alias ; a ; a=a->next)
{
if (!strcmp(s, a->name))
{
break;
}
}
if (!a)
{
Con_TPrintf(TL_ALIASNOTFOUND);
return;
}
if (Cmd_Argc() == 3)
{
level = atoi(Cmd_Argv(2));
if (level > RESTRICT_MAX)
{
level = RESTRICT_MAX;
}
else if (level < RESTRICT_MIN)
level = RESTRICT_MIN;
if (level > Cmd_ExecLevel || (a->restriction?a->restriction:rcon_level.ival) > Cmd_ExecLevel)
{
Con_TPrintf(TL_ALIASRAISELEVELERROR);
return;
}
a->execlevel = level;
if (a->restriction == 1)
Con_TPrintf(TL_ALIASRESTRICTIONLEVELWARN, a->name);
}
else
Con_TPrintf(TL_ALIASRESTRICTLEVEL, s, a->execlevel);
}
//lists commands, also prints restriction level
void Cmd_AliasList_f (void)
{
cmdalias_t *cmd;
int num=0;
int flags;
if (!strcmp(Cmd_Argv(1), "server"))
flags = ALIAS_FROMSERVER;
else
flags = 0;
for (cmd=cmd_alias ; cmd ; cmd=cmd->next)
{
if ((cmd->restriction?cmd->restriction:rcon_level.ival) > Cmd_ExecLevel)
continue;
if (flags && !(cmd->flags & flags))
continue;
if (!num)
Con_TPrintf(TL_ALIASLIST);
if (cmd->execlevel)
Con_Printf("(%2i)(%2i) %s\n", (int)(cmd->restriction?cmd->restriction:rcon_level.ival), cmd->execlevel, cmd->name);
else
Con_Printf("(%2i) %s\n", (int)(cmd->restriction?cmd->restriction:rcon_level.ival), cmd->name);
num++;
}
if (num)
Con_Printf("\n");
}
void Alias_WriteAliases (vfsfile_t *f)
{
char *s;
cmdalias_t *cmd;
int num=0;
for (cmd=cmd_alias ; cmd ; cmd=cmd->next)
{
// if ((cmd->restriction?cmd->restriction:rcon_level.ival) > Cmd_ExecLevel)
// continue;
if (cmd->flags & ALIAS_FROMSERVER)
continue;
if (!num)
{
s = va("\n//////////////////\n//Aliases\n");
VFS_WRITE(f, s, strlen(s));
}
s = va("alias %s \"%s\"\n", cmd->name, cmd->value);
VFS_WRITE(f, s, strlen(s));
if (cmd->restriction != 1) //1 is default
{
s = va("restrict %s %i\n", cmd->name, cmd->restriction);
VFS_WRITE(f, s, strlen(s));
}
if (cmd->execlevel != 0) //0 is default (runs at user's level)
{
s = va("aliaslevel %s %i\n", cmd->name, cmd->execlevel);
VFS_WRITE(f, s, strlen(s));
}
num++;
}
}
void Alias_WipeStuffedAliaes(void)
{
cmdalias_t *cmd, *n;
for (cmd=cmd_alias ; cmd ; )
{
if (cmd->flags & ALIAS_FROMSERVER)
{
n = cmd->next;
Cmd_DeleteAlias(cmd->name);
cmd = n;
}
else
cmd=cmd->next;
}
}
void Cvar_List_f (void);
void Cvar_Reset_f (void);
/*
=============================================================================
COMMAND EXECUTION
=============================================================================
*/
typedef struct cmd_function_s
{
struct cmd_function_s *next;
char *name;
char *description;
xcommand_t function;
qbyte restriction; //restriction of admin level
} cmd_function_t;
#define MAX_ARGS 80
static int cmd_argc;
static char *cmd_argv[MAX_ARGS];
static char *cmd_null_string = "";
static char *cmd_args = NULL, *cmd_args_buf;
static cmd_function_t *cmd_functions; // possible commands to execute
/*
============
Cmd_Argc
============
*/
int VARGS Cmd_Argc (void)
{
return cmd_argc;
}
/*
============
Cmd_Argv
============
*/
char *VARGS Cmd_Argv (int arg)
{
if ( arg >= cmd_argc )
return cmd_null_string;
return cmd_argv[arg];
}
/*
============
Cmd_Args
Returns a single string containing argv(1) to argv(argc()-1)
============
*/
char *VARGS Cmd_Args (void)
{
if (!cmd_args)
return "";
return cmd_args;
}
void Cmd_Args_Set(char *newargs)
{
if (cmd_args_buf)
Z_Free(cmd_args_buf);
if (newargs)
{
cmd_args_buf = (char*)Z_Malloc (Q_strlen(newargs)+1);
Q_strcpy (cmd_args_buf, newargs);
cmd_args = cmd_args_buf;
}
else
{
cmd_args = NULL;
cmd_args_buf = NULL;
}
}
/*
============
Cmd_ShiftArgs
Shifts Cmd_Argv results down one (killing first param)
============
*/
void Cmd_ShiftArgs (int ammount, qboolean expandstring)
{
int arg;
while (ammount>0 && cmd_argc)
{
arg=0;
cmd_argc--;
Z_Free(cmd_argv[0]);
while ( arg < cmd_argc )
{
cmd_argv[arg] = cmd_argv[arg+1];
arg++;
}
cmd_argv[arg]=NULL;
ammount--;
if (cmd_args)
{
cmd_args = COM_StringParse(cmd_args, com_token, sizeof(com_token), expandstring, false);
if (cmd_args)
while(*cmd_args == ' ' || *cmd_args == '\t')
cmd_args++;
}
}
}
char *Cmd_ExpandCvar(char *cvarname, int maxaccesslevel, int *len)
{
char *ret = NULL, *end, *namestart;
char *fixup = NULL, fixval=0;
cvar_t *var;
static char temp[12];
size_t result;
namestart = cvarname;
if (*cvarname == '{')
{
fixup = &cvarname[strlen(cvarname)-1];
if (*fixup != '}')
return NULL;
fixval = *fixup;
*fixup = 0;
cvarname++;
}
else
{
fixup = &cvarname[strlen(cvarname)];
fixval = *fixup;
}
result = strtol(cvarname, &end, 10); // do something with result
if (result == 0)
Con_DPrintf("Cmd_ExpandCvar() strtol returned zero cvar: %s\n", cvarname);
if (fixval && *end == '\0') //only expand $0 if its actually ${0} - this avoids conflicting with the $0 macro
{ //purely numerical
ret = Cmd_Argv(atoi(cvarname));
}
else if (!strcmp(cvarname, "*") || !stricmp(cvarname, "cmd_args"))
{
ret = Cmd_Args();
}
else if (!strnicmp(cvarname, "cmd_argv", 8))
{
ret = Cmd_Argv(atoi(cvarname+8));
}
else if (!stricmp(cvarname, "cmd_argc"))
{
Q_snprintfz(temp, sizeof(temp), "%u", Cmd_Argc());
ret = temp;
}
else if ( (var = Cvar_FindVar(cvarname)) != NULL )
{
if (var->restriction <= maxaccesslevel && !((var->flags & CVAR_NOUNSAFEEXPAND) && Cmd_IsInsecure()))
{
ret = var->string;
}
}
*fixup = fixval;
if (ret)
{
*len = fixup - namestart;
if (fixval)
(*len)++;
}
return ret;
}
/*
================
Cmd_ExpandString
Expands all $cvar expressions to cvar values
If not SERVERONLY, also expands $macro expressions
Note: dest must point to a 1024 byte buffer
================
*/
char *Cmd_ExpandString (char *data, char *dest, int destlen, int maxaccesslevel, qboolean expandcvars, qboolean expandmacros)
{
unsigned int c;
char buf[255];
int i, len;
int quotes = 0;
char *str;
char *bestmacro, *bestvar;
int name_length, macro_length, var_length;
qboolean striptrailing;
len = 0;
while ( (c = *data) != 0)
{
if (c == '"')
quotes++;
if (c == '$' && !(quotes&1))
{
data++;
striptrailing = (*data == '-')?true:false;
// Copy the text after '$' to a temp buffer
i = 0;
buf[0] = 0;
buf[1] = 0;
bestvar = NULL;
bestmacro = NULL;
macro_length=0;
var_length = 0;
while ((c = *data) > 32)
{
if (c == '$')
break;
data++;
buf[i++] = c;
buf[i] = 0;
if (!bestmacro)
{
if ((str = Cmd_ExpandCvar(buf+striptrailing, maxaccesslevel, &var_length)))
bestvar = str;
}
if (expandmacros && (str = TP_MacroString (buf+striptrailing, &macro_length)))
bestmacro = str;
}
if (bestmacro)
{
str = bestmacro;
name_length = macro_length;
}
else if (bestvar)
{
str = bestvar;
name_length = var_length;
}
else
{
str = NULL;
name_length = 0;
}
if (str)
{
// check buffer size
if (len + strlen(str) >= destlen-1)
break;
strcpy(&dest[len], str);
len += strlen(str);
i = name_length;
while (buf[i])
dest[len++] = buf[i++];
if (striptrailing && !*str)
while(*data <= ' ' && *data)
data++;
}
else
{
// no matching cvar or macro
dest[len++] = '$';
if (len + strlen(buf) >= destlen-1)
break;
strcpy (&dest[len], buf);
len += strlen(buf);
}
}
else
{
dest[len] = c;
data++;
len++;
if (len >= destlen-1)
break;
}
};
dest[len] = 0;
return dest;
}
char *Cmd_ExpandStringArguments (char *data, char *dest, int destlen)
{
char c;
int quotes = 0;
int len = 0;
char *str, *strend;
int old_len;
while ( (c = *data) != 0)
{
if (c == '"')
quotes++;
if (c == '%' && !(quotes&1))
{
if (data[1] == '%')
{
str = "%";
old_len = 2;
}
else if (data[1] == '*')
{
str = Cmd_Args();
old_len = 2;
}
else if (strtol(data+1, &strend, 10))
{
str = Cmd_Argv(atoi(data+1));
old_len = strend - data;
}
else
{
str = NULL;
old_len = 0;
}
if (str)
{
// check buffer size
if (len + strlen(str) >= destlen-1)
break;
strcpy(&dest[len], str);
len += strlen(str);
dest[len] = 0;
data += old_len;
continue;
}
}
dest[len] = c;
data++;
len++;
dest[len] = 0;
if (len >= destlen-1)
break;
}
dest[len] = 0;
return dest;
}
/*
============
Cmd_TokenizeString
Parses the given string into command line tokens, stopping at the \n
============
*/
char *Cmd_TokenizeString (char *text, qboolean expandmacros, qboolean qctokenize)
{
int i;
// clear the args from the last string
for (i=0 ; i<cmd_argc ; i++)
Z_Free (cmd_argv[i]);
cmd_argc = 0;
Cmd_Args_Set(NULL);
while (1)
{
// skip whitespace up to a \n
while (*text && (unsigned)*text <= ' ' && *text != '\n')
{
text++;
}
if (*text == '\n')
{ // a newline seperates commands in the buffer
text++;
break;
}
if (!*text)
return text;
if (cmd_argc == 1)
{
Cmd_Args_Set(text);
}
text = COM_StringParse (text, com_token, sizeof(com_token), expandmacros, qctokenize);
if (!text)
return text;
if (!strcmp(com_token, "\n"))
return text;
if (cmd_argc < MAX_ARGS)
{
cmd_argv[cmd_argc] = (char*)Z_Malloc (Q_strlen(com_token)+1);
Q_strcpy (cmd_argv[cmd_argc], com_token);
cmd_argc++;
}
}
return text;
}
void Cmd_TokenizePunctation (char *text, char *punctuation)
{
int i;
// clear the args from the last string
for (i=0 ; i<cmd_argc ; i++)
Z_Free (cmd_argv[i]);
cmd_argc = 0;
Cmd_Args_Set(NULL);
while (1)
{
// skip whitespace up to a \n
while (*text && (unsigned)*text <= ' ' && *text != '\n')
{
text++;
}
if (*text == '\n')
{ // a newline seperates commands in the buffer
text++;
break;
}
if (!*text)
return;
if (cmd_argc == 1)
{
Cmd_Args_Set(text);
}
text = COM_ParseToken (text, punctuation);
if (!text)
return;
if (cmd_argc < MAX_ARGS)
{
cmd_argv[cmd_argc] = (char*)Z_Malloc (Q_strlen(com_token)+1);
Q_strcpy (cmd_argv[cmd_argc], com_token);
cmd_argc++;
}
}
}
/*
============
Cmd_AddCommand
============
*/
qboolean Cmd_AddCommandD (char *cmd_name, xcommand_t function, char *desc)
{
cmd_function_t *cmd;
// fail if the command is a variable name
if (Cvar_VariableString(cmd_name)[0])
{
Con_Printf ("Cmd_AddCommand: %s already defined as a var\n", cmd_name);
return false;
}
// fail if the command already exists
for (cmd=cmd_functions ; cmd ; cmd=cmd->next)
{
if (!Q_strcmp (cmd_name, cmd->name))
{
if (cmd->function == function) //happens a lot with q3
Con_DPrintf ("Cmd_AddCommand: %s already defined\n", cmd_name);
else
{
Con_Printf ("Cmd_AddCommand: %s already defined\n", cmd_name);
break;
}
return false;
}
}
cmd = (cmd_function_t*)Z_Malloc (sizeof(cmd_function_t)+strlen(cmd_name)+1);
cmd->name = (char*)(cmd+1);
cmd->description = desc;
strcpy(cmd->name, cmd_name);
cmd->function = function;
cmd->next = cmd_functions;
cmd->restriction = 0;
cmd_functions = cmd;
return true;
}
qboolean Cmd_AddCommand (char *cmd_name, xcommand_t function)
{
return Cmd_AddCommandD(cmd_name, function, NULL);
}
void Cmd_RemoveCommand (char *cmd_name)
{
cmd_function_t *cmd, **back;
back = &cmd_functions;
while (1)
{
cmd = *back;
if (!cmd)
{
// Con_Printf ("Cmd_RemoveCommand: %s not added\n", cmd_name);
return;
}
if (!strcmp (cmd_name, cmd->name))
{
*back = cmd->next;
Z_Free (cmd);
return;
}
back = &cmd->next;
}
}
void Cmd_RestrictCommand_f (void)
{
cmdalias_t *a;
cvar_t *v;
cmd_function_t *cmd;
char *cmd_name = Cmd_Argv(1);
int level;
if (Cmd_Argc() != 3 && Cmd_Argc() != 2)
{
Con_Printf("restrict <commandname> [level]\n");
return;
}
if (Cmd_Argc() > 2)
{
level = atoi(Cmd_Argv(2));
if (level > RESTRICT_MAX)
{
level = RESTRICT_MAX;
if (level > Cmd_ExecLevel)
{
Con_TPrintf(TL_RESTRICTCOMMANDRAISE);
return;
}
}
else if (level < RESTRICT_MIN)
level = RESTRICT_MIN;
}
else level = 0;
//commands
for (cmd=cmd_functions ; cmd ; cmd=cmd->next)
{
if (!Q_strcmp (cmd_name, cmd->name))
{
if (Cmd_Argc() == 2)
{
if (cmd->restriction)
Con_TPrintf (TL_RESTRICTCURRENTLEVEL, cmd_name, (int)cmd->restriction);
else
Con_TPrintf (TL_RESTRICTCURRENTLEVELDEFAULT, cmd_name, rcon_level.ival);
}
else if ((cmd->restriction?cmd->restriction:rcon_level.ival) > Cmd_ExecLevel)
Con_TPrintf(TL_RESTRICTCOMMANDTOOHIGH);
else
cmd->restriction = level;
return;
}
}
//cvars
v = Cvar_FindVar(cmd_name);
if (v)
{
if (Cmd_Argc() == 2)
{
if (v->restriction)
Con_TPrintf (TL_RESTRICTCURRENTLEVEL, cmd_name, (int)v->restriction);
else
Con_TPrintf (TL_RESTRICTCURRENTLEVELDEFAULT, cmd_name, rcon_level.ival);
}
else if ((v->restriction?v->restriction:rcon_level.ival) > Cmd_ExecLevel)
Con_TPrintf(TL_RESTRICTCOMMANDTOOHIGH);
else
v->restriction = level;
return;
}
// check alias
for (a=cmd_alias ; a ; a=a->next)
{
if (!Q_strcasecmp (cmd_name, a->name))
{
if (Cmd_Argc() == 2)
{
if (a->restriction)
Con_TPrintf (TL_RESTRICTCURRENTLEVEL, cmd_name, (int)a->restriction);
else
Con_TPrintf (TL_RESTRICTCURRENTLEVELDEFAULT, cmd_name, rcon_level.ival);
}
else if ((a->restriction?a->restriction:rcon_level.ival) > Cmd_ExecLevel)
Con_TPrintf(TL_RESTRICTCOMMANDTOOHIGH);
else
a->restriction = level;
return;
}
}
Con_TPrintf (TL_RESTRICTNOTDEFINED, cmd_name);
return;
}
int Cmd_Level(char *name)
{
cmdalias_t *a;
cmd_function_t *cmds;
for (cmds = cmd_functions; cmds; cmds=cmds->next)
{
if (!strcmp(cmds->name, name))
{
return cmds->restriction?cmds->restriction:rcon_level.ival;
}
}
for (a=cmd_alias ; a ; a=a->next)
{
if (!strcmp(a->name, name))
{
return a->restriction?a->restriction:Cmd_ExecLevel;
}
}
return -1;
}
/*
============
Cmd_Exists
============
*/
qboolean Cmd_Exists (char *cmd_name)
{
cmd_function_t *cmd;
for (cmd=cmd_functions ; cmd ; cmd=cmd->next)
{
if (!Q_strcmp (cmd_name,cmd->name))
return true;
}
return false;
}
/*
============
Cmd_Exists
============
*/
char *Cmd_Describe (char *cmd_name)
{
cmd_function_t *cmd;
for (cmd=cmd_functions ; cmd ; cmd=cmd->next)
{
if (!Q_strcmp (cmd_name,cmd->name))
return cmd->description;
}
return NULL;
}
/*
============
Cmd_CompleteCommand
============
*/
typedef struct {
int matchnum;
qboolean allowcutdown;
qboolean cutdown;
char result[256];
char *desc;
} match_t;
void Cmd_CompleteCheck(char *check, match_t *match, char *desc) //compare cumulative strings and join the result
{
if (*match->result)
{
char *r;
if (match->allowcutdown)
{
for(r = match->result; *r == *check && *r; r++, check++)
;
*r = '\0';
match->cutdown = true;
if (match->matchnum > 0)
match->matchnum--;
}
else if (match->matchnum > 0)
{
strcpy(match->result, check);
match->desc = desc;
match->matchnum--;
}
}
else
{
if (match->matchnum > 0)
match->matchnum--;
strcpy(match->result, check);
match->desc = desc;
}
}
char *Cmd_CompleteCommand (char *partial, qboolean fullonly, qboolean caseinsens, int matchnum, char **descptr)
{
extern cvar_group_t *cvar_groups;
cmd_function_t *cmd;
int len;
cmdalias_t *a;
static match_t match;
cvar_group_t *grp;
cvar_t *cvar;
char *sp;
sp = strchr(partial, ' ');
if (sp)
len = sp - partial;
else
len = Q_strlen(partial);
if (descptr)
*descptr = NULL;
if (!len)
return NULL;
if (matchnum == -1)
len++;
match.allowcutdown = !fullonly?true:false;
match.cutdown = false;
match.desc = NULL;
if (matchnum)
match.matchnum = matchnum;
else
match.matchnum = 0;
strcpy(match.result, "");
// check for partial match
if (caseinsens)
{
for (cmd=cmd_functions ; cmd ; cmd=cmd->next)
if (!Q_strncasecmp (partial,cmd->name, len) && (matchnum == -1 || !partial[len] || strlen(cmd->name) == len))
Cmd_CompleteCheck(cmd->name, &match, cmd->description);
for (a=cmd_alias ; a ; a=a->next)
if (!Q_strncasecmp (partial, a->name, len) && (matchnum == -1 || !partial[len] || strlen(a->name) == len))
Cmd_CompleteCheck(a->name, &match, "");
for (grp=cvar_groups ; grp ; grp=grp->next)
for (cvar=grp->cvars ; cvar ; cvar=cvar->next)
{
if (!Q_strncasecmp (partial,cvar->name, len) && (matchnum == -1 || !partial[len] || strlen(cvar->name) == len))
Cmd_CompleteCheck(cvar->name, &match, cvar->description);
if (cvar->name2 && !Q_strncasecmp (partial,cvar->name2, len) && (matchnum == -1 || !partial[len] || strlen(cvar->name2) == len))
Cmd_CompleteCheck(cvar->name2, &match, cvar->description);
}
}
else
{
for (cmd=cmd_functions ; cmd ; cmd=cmd->next)
if (!Q_strncmp (partial,cmd->name, len) && (matchnum == -1 || !partial[len] || strlen(cmd->name) == len))
Cmd_CompleteCheck(cmd->name, &match, cmd->description);
for (a=cmd_alias ; a ; a=a->next)
if (!Q_strncmp (partial, a->name, len) && (matchnum == -1 || !partial[len] || strlen(a->name) == len))
Cmd_CompleteCheck(a->name, &match, "");
for (grp=cvar_groups ; grp ; grp=grp->next)
for (cvar=grp->cvars ; cvar ; cvar=cvar->next)
{
if (!Q_strncmp (partial,cvar->name, len) && (matchnum == -1 || !partial[len] || strlen(cvar->name) == len))
Cmd_CompleteCheck(cvar->name, &match, cvar->description);
if (cvar->name2 && !Q_strncmp (partial,cvar->name2, len) && (matchnum == -1 || !partial[len] || strlen(cvar->name2) == len))
Cmd_CompleteCheck(cvar->name2, &match, cvar->description);
}
}
if (match.matchnum>0)
return NULL;
if (!*match.result)
return NULL;
if (descptr)
*descptr = match.desc;
return match.result;
}
//lists commands, also prints restriction level
void Cmd_List_f (void)
{
cmd_function_t *cmd;
int num=0;
for (cmd=cmd_functions ; cmd ; cmd=cmd->next)
{
if ((cmd->restriction?cmd->restriction:rcon_level.ival) > Cmd_ExecLevel)
continue;
if (!num)
Con_TPrintf(TL_COMMANDLISTHEADER);
Con_Printf("(%2i) %s\n", (int)(cmd->restriction?cmd->restriction:rcon_level.ival), cmd->name);
num++;
}
if (num)
Con_Printf("\n");
}
#ifndef SERVERONLY // FIXME
/*
===================
Cmd_ForwardToServer
adds the current command line as a clc_stringcmd to the client message.
things like godmode, noclip, etc, are commands directed to the server,
so when they are typed in at the console, they will need to be forwarded.
===================
*/
void Cmd_ForwardToServer (void)
{
if (cls.state == ca_disconnected)
{
Con_TPrintf (TL_CANTXNOTCONNECTED, Cmd_Argv(0));
return;
}
if (cls.demoplayback)
return; // not really connected
#ifdef Q3CLIENT
if (cls.protocol == CP_QUAKE3)
{
CLQ3_SendClientCommand("%s %s", Cmd_Argv(0), Cmd_Args());
return;
}
#endif
if (Cmd_Argc() > 1)
CL_SendClientCommand(true, "%s %s", Cmd_Argv(0), Cmd_Args());
else
CL_SendClientCommand(true, "%s", Cmd_Argv(0));
}
// don't forward the first argument
void Cmd_ForwardToServer_f (void)
{
if (cls.state == ca_disconnected)
{
Con_TPrintf (TL_CANTXNOTCONNECTED, Cmd_Argv(0));
return;
}
if (Q_strcasecmp(Cmd_Argv(1), "snap") == 0)
{
if (SCR_RSShot())
return;
}
if (Q_strcasecmp(Cmd_Argv(1), "ptrack") == 0)
{
if (!*Cmd_Argv(2))
{
Cam_Unlock(0);
}
else
{
Cam_Lock(0, atoi(Cmd_Argv(2)));
autocam[0] = CAM_TRACK;
}
return;
}
if (Cmd_Argc() > 1)
CL_SendClientCommand(true, "%s", Cmd_Args());
}
#else
void Cmd_ForwardToServer (void)
{
}
#endif
/*
============
Cmd_ExecuteString
A complete command line has been parsed, so try to execute it
FIXME: lookupnoadd the token to speed search?
============
*/
void Cmd_ExecuteString (char *text, int level)
{
cmd_function_t *cmd;
cmdalias_t *a;
char dest[8192];
Cmd_ExecLevel = level;
text = Cmd_ExpandString(text, dest, sizeof(dest), level, !Cmd_IsInsecure()?true:false, true);
Cmd_TokenizeString (text, level == RESTRICT_LOCAL?true:false, false);
// execute the command line
if (!Cmd_Argc())
return; // no tokens
// check functions
for (cmd=cmd_functions ; cmd ; cmd=cmd->next)
{
if (!Q_strcasecmp (cmd_argv[0],cmd->name))
{
if (strcmp (cmd_argv[0],cmd->name))
break; //yes, I know we found it... (but it's the wrong case, go for an alias or cvar instead FIRST)
if ((cmd->restriction?cmd->restriction:rcon_level.ival) > level)
Con_TPrintf(TL_WASRESTIRCTED, cmd_argv[0]);
else if (!cmd->function)
{
#ifdef VM_CG
if (CG_Command())
return;
#endif
#ifdef Q3SERVER
if (SVQ3_Command())
return;
#endif
#ifdef VM_UI
if (UI_Command())
return;
#endif
if (Cmd_AliasExist(cmd_argv[0], level))
break; //server stuffed an alias for a command that it would already have received. use that instead.
Cmd_ForwardToServer ();
}
else
cmd->function ();
return;
}
}
// check alias
for (a=cmd_alias ; a ; a=a->next)
{
if (!Q_strcasecmp (cmd_argv[0], a->name))
{
int execlevel;
#ifndef SERVERONLY //an emergency escape mechansim, to avoid infinatly recursing aliases.
extern qboolean keydown[];
if (keydown[K_SHIFT] && keydown[K_CTRL] && keydown[K_ALT])
return;
#endif
if ((a->restriction?a->restriction:rcon_level.ival) > level)
{
Con_TPrintf(TL_WASRESTIRCTED, cmd_argv[0]);
return;
}
if (a->execlevel)
execlevel = a->execlevel;
else
execlevel = level;
Cbuf_InsertText ("\n", execlevel, false);
// if the alias value is a command or cvar and
// the alias is called with parameters, add them
if (Cmd_Argc() > 1 && (!strncmp(a->value, "cmd ", 4) || (!strchr(a->value, ' ') && !strchr(a->value, '\t') &&
(Cvar_FindVar(a->value) || (Cmd_Exists(a->value) && a->value[0] != '+' && a->value[0] != '-'))))
)
{
Cbuf_InsertText (Cmd_Args(), execlevel, false);
Cbuf_InsertText (" ", execlevel, false);
}
Cmd_ExpandStringArguments (a->value, dest, sizeof(dest));
Cbuf_InsertText (dest, execlevel, false);
return;
}
}
// check cvars
if (Cvar_Command (level))
return;
if (cmd) //go for skipped ones
{
if ((cmd->restriction?cmd->restriction:rcon_level.ival) > level)
Con_TPrintf(TL_WASRESTIRCTED, cmd_argv[0]);
else if (!cmd->function)
Cmd_ForwardToServer ();
else
cmd->function ();
return;
}
#ifndef SERVERONLY
#ifdef CSQC_DAT
if (CSQC_ConsoleCommand(text))
return;
#endif
#endif
#ifdef PLUGINS
if (Plugin_ExecuteString())
return;
#endif
#ifndef CLIENTONLY
if (sv.state)
{
if (PR_ConsoleCmd())
return;
}
#endif
#ifdef VM_CG
if (CG_Command())
return;
#endif
#ifdef Q3SERVER
if (SVQ3_Command())
return;
#endif
#ifdef VM_UI
if (UI_Command())
return;
#endif
#ifdef Q2CLIENT
if (cls.protocol == CP_QUAKE2 || cls.protocol == CP_QUAKE3)
{ //q2 servers convert unknown commands to text.
Cmd_ForwardToServer();
return;
}
#endif
if (cl_warncmd.value || developer.value)
Con_TPrintf (TL_COMMANDNOTDEFINED, Cmd_Argv(0));
}
/*
================
Cmd_CheckParm
Returns the position (1 to argc-1) in the command's argument list
where the given parameter apears, or 0 if not present
================
*/
int Cmd_CheckParm (char *parm)
{
int i;
if (!parm)
Sys_Error ("Cmd_CheckParm: NULL");
for (i = 1; i < Cmd_Argc (); i++)
if (! Q_strcasecmp (parm, Cmd_Argv (i)))
return i;
return 0;
}
typedef struct tempstack_s{
struct tempstack_s *next;
char str[1];
} tempstack_t;
tempstack_t *ifstack;
void If_Token_Clear (tempstack_t *mark)
{
tempstack_t *ois;
while(ifstack)
{
if (ifstack == mark)
break;
ois = ifstack;
ifstack = ifstack->next;
Z_Free(ois);
}
}
tempstack_t *If_Token_GetMark (void)
{
return ifstack;
}
const char *retstring(const char *s)
{
// return s;
tempstack_t *ret;
ret = (tempstack_t*)Z_Malloc(sizeof(tempstack_t)+strlen(s));
ret->next = ifstack;
ifstack=ret;
strcpy(ret->str, s);
return ret->str;
}
const char *retint(int f)
{
char s[1024];
tempstack_t *ret;
if (!f)
return "";
sprintf(s, "%d", f);
ret = (tempstack_t*)Z_Malloc(sizeof(tempstack_t)+strlen(s));
ret->next = ifstack;
ifstack=ret;
strcpy(ret->str, s);
return ret->str;
}
const char *retfloat(float f)
{
char s[1024];
tempstack_t *ret;
if (!f)
return "";
sprintf(s, "%f", f);
ret = (tempstack_t*)Z_Malloc(sizeof(tempstack_t)+strlen(s));
ret->next = ifstack;
ifstack=ret;
strcpy(ret->str, s);
return ret->str;
}
qboolean is_numeric (const char *c)
{
return (*c >= '0' && *c <= '9') ||
((*c == '-' || *c == '+') && (c[1] == '.' || (c[1]>='0' && c[1]<='9'))) ||
(*c == '.' && (c[1]>='0' && c[1]<='9'))?true:false;
}
#define IFPUNCT "(,{})(\':;=!><&|+*/-"
const char *If_Token(const char *func, const char **end)
{
const char *s, *s2;
cvar_t *var;
int level;
while(*func <= ' ' && *func)
func++;
s = COM_ParseToken(func, IFPUNCT);
if (*com_token == '(')
{
s2 = s;
level=1;
while (*s2)
{
if (*s2 == ')')
{
level--;
if (!level)
break;
}
else if (*s2 == '(')
level++;
s2++;
}
func = If_Token(s, end);
*end = s2+1;
s = *end;
s2 = func;
// return func;
}
else if (*com_token == '!')
{
func = If_Token(s, end);
for (s = func; *s; s++);
if (func && *func)
return "";
else
return "true";
}
else if (!strcmp(com_token, "int"))
{
func = If_Token(s, end);
return retint(atoi(func));
}
else if (!strcmp(com_token, "strlen"))
{
func = If_Token(s, end);
return retfloat(strlen(func));
}
else if (!strcmp(com_token, "defined")) //functions
{
s = COM_ParseToken(s, IFPUNCT);
var = Cvar_FindVar(com_token);
*end = s;
return retstring((var != NULL)?"true":"");
}
else if (!strcmp(com_token, "random"))
{
s2 = retfloat((rand()&0x7fff) / (float)0x7fff);
}
else if (!strcmp(com_token, "vid")) //mostly for use with the menu system.
{
s = COM_ParseToken(s, IFPUNCT);
#ifndef SERVERONLY
if (qrenderer == QR_NONE)
s2 = "";
else if (!strcmp(com_token, "width"))
s2 = retfloat(vid.width);
else if (!strcmp(com_token, "height"))
s2 = retfloat(vid.height);
else
#endif
s2 = "";
}
else
{
if (*com_token == '$')
var = Cvar_FindVar(com_token+1);
else
var = Cvar_FindVar(com_token); //for consistancy.
if (var)
{
if ((var->restriction?var->restriction:rcon_level.ival) > Cmd_ExecLevel)
s2 = "RESTRICTED";
else
s2 = var->string;
}
else
s2 = retstring(com_token);
}
*end = s;
s = COM_ParseToken(s, IFPUNCT);
if (!strcmp(com_token, "=")) //comparisions
{
func=COM_ParseToken(s, IFPUNCT);
if (*com_token == '=') //lol. "=" == "=="
return retfloat(!strcmp(s2, If_Token(func, end)));
else
return retfloat(!strcmp(s2, If_Token(s, end)));
}
if (!strncmp(com_token, "equal", 5))
return retfloat(!strcmp(s2, If_Token(s, end)));
if (!strcmp(com_token, "!"))
{
func=COM_ParseToken(s, IFPUNCT);
if (*com_token == '=')
{
s = If_Token(func, end);
if (!is_numeric(s) || !is_numeric(s2))
{
if (strcmp(s2, s))
return "true";
else
return "";
}
return retfloat(atof(s2)!=atof(s));
}
else if (!strcmp(com_token, "isin"))
return retfloat(NULL==strstr(If_Token(s, end), s2));
}
if (!strcmp(com_token, ">"))
{
func=COM_ParseToken(s, IFPUNCT);
if (*com_token == '=')
return retfloat(atof(s2)>=atof(If_Token(func, end)));
else if (*com_token == '<')//vb?
{
s = If_Token(func, end);
if (is_numeric(s) && is_numeric(s2))
{
if (strcmp(s2, s))
return "true";
else
return "";
}
return retfloat(atof(s2)!=atof(s));
}
else
return retfloat(atof(s2)>atof(If_Token(s, end)));
}
if (!strcmp(com_token, "<"))
{
func=COM_ParseToken(s, IFPUNCT);
if (*com_token == '=')
return retfloat(atof(s2)<=atof(If_Token(func, end)));
else if (*com_token == '>')//vb?
return retfloat(atof(s2)!=atof(If_Token(func, end)));
else
return retfloat(atof(s2)<atof(If_Token(s, end)));
}
if (!strcmp(com_token, "isin"))//fuhq
return retfloat(NULL!=strstr(If_Token(s, end), s2));
if (!strcmp(com_token, "-")) //subtract
return retfloat(atof(s2)-atof(If_Token(s, end)));
if (!strcmp(com_token, "+")) //add
return retfloat(atof(s2)+atof(If_Token(s, end)));
if (!strcmp(com_token, "*"))
return retfloat(atof(s2)*atof(If_Token(s, end)));
if (!strcmp(com_token, "/"))
return retfloat(atof(s2)/atof(If_Token(s, end)));
if (!strcmp(com_token, "%"))
{
level = (int)atof(If_Token(s, end));
if (level == 0)
return retfloat(0);
else
return retfloat((int)atof(s2)%level);
}
if (!strcmp(com_token, "&")) //and
{
func=COM_ParseToken(s, IFPUNCT);
if (*com_token == '&')
return retfloat(*s2&&*If_Token(s, end));
else
return retfloat(atoi(s2)&atoi(If_Token(s, end)));
}
if (!strcmp(com_token, "div")) //qw262 compatability
return retfloat(atof(s2)/atof(If_Token(s, end)));
if (!strcmp(com_token, "or")) //qw262 compatability
return retfloat(atoi(s2)|atoi(If_Token(s, end)));
if (!strcmp(com_token, "xor")) //qw262 compatability
return retfloat(atoi(s2)^atoi(If_Token(s, end)));
if (!strcmp(com_token, "and")) //qw262 compatability
return retfloat(atoi(s2)&atoi(If_Token(s, end)));
if (!strcmp(com_token, "|")) //or
{
func=COM_ParseToken(s, IFPUNCT);
if (*com_token == '|')
{
func = If_Token(func, end);
return retfloat(atoi(s2)||atoi(func));
}
else
return retfloat(atoi(s2)|atoi(If_Token(s, end)));
}
return s2;
}
void Cbuf_ExecBlock(int level)
{
char *remainingcbuf;
char *exectext = NULL;
char *line, *end;
line = Cbuf_GetNext(level, false);
while(*line <= ' ' && *line) //skip leading whitespace.
line++;
for (end = line + strlen(line)-1; end >= line && *end <= ' '; end--) //skip trailing
*end = '\0';
if (!strcmp(line, "{")) //multiline block
{
int indent = 1;
for(;;)
{
line = Cbuf_GetNext(level, false);
while(*line <= ' ' && *line) //skip leading whitespace.
line++;
for (end = line + strlen(line)-1; end >= line && *end <= ' '; end--) //skip trailing
*end = '\0';
if (!strcmp(line, "{"))
indent++;
else if (!strcmp(line, "}"))
{
indent--;
if (!indent)
break;
}
else if (!*line)
{
Con_Printf("Unterminated block\n");
break;
}
if (exectext)
{
char *newv;
newv = (char*)Z_Malloc(strlen(exectext) + strlen(line) + 2);
sprintf(newv, "%s;%s", exectext, line);
Z_Free(exectext);
exectext = newv;
}
else
exectext = CopyString(line);
// Con_Printf("Exec \"%s\"\n", line);
}
}
else
{
exectext = CopyString(line);
// Con_Printf("Exec \"%s\"\n", line);
}
remainingcbuf = Cbuf_StripText(level); //this craziness is to prevent an if } from breaking the entire con text
Cbuf_AddText(exectext, level);
Z_Free(exectext);
Cbuf_ExecuteLevel(level);
Cbuf_AddText(remainingcbuf, level);
Z_Free(remainingcbuf);
}
void Cbuf_SkipBlock(int level)
{
char *line, *end;
line = Cbuf_GetNext(level, false);
while(*line <= ' ' && *line) //skip leading whitespace.
line++;
for (end = line + strlen(line)-1; end >= line && *end <= ' '; end--) //skip trailing
*end = '\0';
if (!strcmp(line, "{")) //multiline block
{
int indent = 1;
for(;;)
{
line = Cbuf_GetNext(level, false);
while(*line <= ' ' && *line) //skip leading whitespace.
line++;
for (end = line + strlen(line)-1; end >= line && *end <= ' '; end--) //skip trailing
*end = '\0';
if (!strcmp(line, "{"))
indent++;
else if (!strcmp(line, "}"))
{
indent--;
if (!indent)
break;
}
else if (!*line)
{
Con_Printf("Unterminated block\n");
break;
}
// Con_Printf("Skip \"%s\"\n", line);
}
}
// else
// Con_Printf("Skip \"%s\"\n", line);
}
void Cmd_if_f(void)
{
char *text = Cmd_Args();
const char *ret;
char *end;
char *ws;
int level;
qboolean trueblock=false;
tempstack_t *ts;
if (Cmd_Argc()==1)
{
Con_TPrintf(TL_IFSYNTAX);
return;
}
ts = If_Token_GetMark();
level = Cmd_ExecLevel;
elseif:
// Con_Printf("if %s\n", text);
for(ret = If_Token(text, (const char **)&end); *ret; ret++) {if (*ret != '0' && *ret != '.')break;}
if (!end)
{
Con_TPrintf(TL_IFSYNTAXERROR);
If_Token_Clear(ts);
return;
}
skipws:
while(*end <= ' ' && *end) //skip leading whitespace.
end++;
for (ws = end + strlen(end)-1; ws >= end && *ws <= ' '; ws--) //skip trailing
*ws = '\0';
if (!strncmp(end, "then", 4)) //sigh... trying to make fuhquake's ifs work.
{
end+=4;
goto skipws;
}
if (!*end)
{
if (ret && *ret) //equation was true.
{
trueblock = true;
Cbuf_ExecBlock(level);
}
else //equation was false.
{
skipblock:
Cbuf_SkipBlock(level);
}
end = Cbuf_GetNext(level, false);
while(*end <= ' ' && *end)
end++;
if (!strncmp(end, "else", 4))
{
end+=4;
while(*end <= ' ' && *end) //skip leading whitespace.
end++;
if (!strncmp(end, "if", 2))
{
text = end + 2;
if (trueblock)
goto skipblock; //we've had our true, all others are assumed to be false.
else
goto elseif; //and have annother go.
}
else
{ //we got an else. This is the last block. Don't go through the normal way, cos that would let us follow up with a second else.
if (trueblock)
Cbuf_SkipBlock(level);
else
Cbuf_ExecBlock(level);
If_Token_Clear(ts);
return;
}
}
//whoops. Too far.
Cbuf_InsertText(end, level, true);
If_Token_Clear(ts);
return;
}
text = strstr(end, "else");
if (ret && *ret)
{
if (text) //don't bother execing the else bit...
*text = '\0';
Cbuf_InsertText(end, level, true);
}
else
{
if (text)
Cbuf_InsertText(text+4, level, true); //ironically, this will do elseif...
}
If_Token_Clear(ts);
}
void Cmd_Vstr_f( void )
{
char *v;
if (Cmd_Argc () != 2)
{
Con_Printf ("vstr <variablename> : execute a variable command\n");
return;
}
v = Cvar_VariableString(Cmd_Argv(1));
Cbuf_InsertText(v, Cmd_ExecLevel, true);
}
void Cmd_toggle_f(void)
{
cvar_t *v;
if (Cmd_Argc()<2)
{
Con_Printf("missing cvar name\n");
return;
}
v = Cvar_Get(Cmd_Argv(1), "0", 0, "Custom variables");
if (!v)
return;
if (v->value)
Cvar_Set(v, "0");
else
Cvar_Set(v, "1");
}
void Cmd_set_f(void)
{
void *mark;
cvar_t *var;
const char *end;
const char *text;
int forceflags = 0;
qboolean docalc;
char name[256];
if (Cmd_Argc()<3)
{
Con_TPrintf(TL_SETSYNTAX);
return;
}
if (!strcmp(Cmd_Argv(0), "set_calc") || !strcmp(Cmd_Argv(0), "seta_calc"))
docalc = true;
else
docalc = false;
Q_strncpyz(name, Cmd_Argv(1), sizeof(name));
if (Cmd_FromGamecode()) //AAHHHH!!! Q2 set command is different
{
text = Cmd_Argv(3);
if (!strcmp(text, "u"))
forceflags = CVAR_USERINFO;
else if (!strcmp(text, "s"))
forceflags = CVAR_SERVERINFO;
else if (*text) //err
return;
text = Cmd_Argv(2);
}
else if (dpcompat_set.ival && !docalc)
{
text = Cmd_Argv(2);
/*desc = Cmd_Argv(3)*/
}
else
{
Cmd_ShiftArgs(1, false);
text = Cmd_Args();
if (*text == '\"') //if it's already quoted, dequote it, and ignore trailing stuff, for q2/q3 compatability
text = Cmd_Argv(1);
else
{
end = strstr(text, "//");
if (end)
{
end--;
while (end >= text)
{
if (*end == ' ')
end--;
else
break;
}
end++;
*(char*)end = 0;
}
}
forceflags = 0;
}
var = Cvar_Get (name, text, 0, "Custom variables");
mark = If_Token_GetMark();
if (var)
{
if (var->flags & CVAR_NOTFROMSERVER && Cmd_FromGamecode())
{
Con_Printf ("Server tried setting %s cvar\n", var->name);
return;
}
if (Cmd_FromGamecode())
{
if (forceflags)
{
var->flags &=~(CVAR_USERINFO|CVAR_SERVERINFO);
var->flags |= forceflags;
}
Cvar_LockFromServer(var, text);
}
else
{
if (docalc)
text = If_Token(text, &end);
Cvar_Set(var, text);
var->flags |= CVAR_USERCREATED;
if (!stricmp(Cmd_Argv(0), "seta"))
var->flags |= CVAR_ARCHIVE;
}
}
else
{
if (docalc)
text = If_Token(text, &end);
if (Cmd_FromGamecode())
{
var = Cvar_Get(Cmd_Argv(1), "", 0, "Game variables");
if (var)
Cvar_LockFromServer(var, text);
}
else
var = Cvar_Get(Cmd_Argv(1), text, 0, "User variables");
}
if (var && !Cmd_FromGamecode())
if (!stricmp(Cmd_Argv(0), "seta"))
var->flags |= CVAR_ARCHIVE|CVAR_USERCREATED;
If_Token_Clear(mark);
}
void Cvar_Inc_f (void)
{
int c;
cvar_t *var;
float delta;
c = Cmd_Argc();
if (c != 2 && c != 3)
{
Con_Printf ("inc <cvar> [value]\n");
return;
}
var = Cvar_FindVar (Cmd_Argv(1));
if (!var)
{
Con_Printf ("Unknown variable \"%s\"\n", Cmd_Argv(1));
return;
}
if (var->flags & CVAR_NOTFROMSERVER && Cmd_FromGamecode())
{
Con_Printf ("Server tried setting %s cvar\n", var->name);
return;
}
delta = (c == 3) ? atof (Cmd_Argv(2)) : 1;
Cvar_SetValue (var, var->value + delta);
}
void Cmd_WriteConfig_f(void)
{
vfsfile_t *f;
char *filename;
char fname[MAX_OSPATH];
char sysname[MAX_OSPATH];
filename = Cmd_Argv(1);
if (!*filename)
{
snprintf(fname, sizeof(fname), "fte.cfg");
FS_CreatePath(fname, FS_GAMEONLY);
f = FS_OpenVFS(fname, "wb", FS_GAMEONLY);
}
else
{
if (strstr(filename, ".."))
{
Con_Printf ("Couldn't write config %s\n",filename);
return;
}
snprintf(fname, sizeof(fname), "configs/%s", filename);
COM_DefaultExtension(fname, ".cfg", sizeof(fname));
FS_CreatePath(fname, FS_CONFIGONLY);
f = FS_OpenVFS(fname, "wb", FS_CONFIGONLY);
}
if (!f)
{
Con_Printf ("Couldn't write config %s\n",fname);
return;
}
VFS_WRITE(f, "// FTE config file\n\n", 20);
#ifndef SERVERONLY
Key_WriteBindings (f);
CL_SaveInfo(f);
#else
VFS_WRITE(f, "// Dedicated Server config\n\n", 28);
#endif
#ifdef CLIENTONLY
VFS_WRITE(f, "// no local/server infos\n\n", 26);
#else
SV_SaveInfos(f);
#endif
Alias_WriteAliases (f);
Cvar_WriteVariables (f, true);
VFS_CLOSE(f);
Cvar_Saved();
FS_NativePath(fname, FS_GAMEONLY, sysname, sizeof(sysname));
Con_Printf ("Wrote %s\n",sysname);
}
void Cmd_Reset_f(void)
{
}
#ifndef SERVERONLY
// dumps current console contents to a text file
void Cmd_Condump_f(void)
{
vfsfile_t *f;
char *filename;
unsigned char c;
if (!con_current)
{
Con_Printf ("No console to dump.\n");
return;
}
if (Cmd_IsInsecure()) // don't allow insecure level execute this
return;
filename = Cmd_Argv(1);
if (!*filename)
filename = "condump";
filename = va("%s", filename);
COM_DefaultExtension(filename, ".txt", MAX_QPATH);
f = FS_OpenVFS (filename, "wb", FS_GAME);
if (!f)
{
Con_Printf ("Couldn't write console dump %s\n",filename);
return;
}
// print out current contents of console
// stripping out starting blank lines and blank spaces
{
console_t *curcon = &con_main;
conline_t *l;
int i;
conchar_t *t;
for (l = curcon->oldest; l; l = l->newer)
{
t = (conchar_t*)(l+1);
//FIXME: utf8?
for (i = 0; i < l->length; i++)
{
c = (qbyte)t[i]&0xff;
VFS_WRITE(f, &c, 1);
}
VFS_WRITE(f, "\n", 1);
}
}
VFS_CLOSE(f);
Con_Printf ("Dumped console to %s\n",filename);
}
#endif
void Cmd_Shutdown(void)
{
cmd_function_t *c;
cmdalias_t *a;
int i;
//make sure we get no other execution
int level;
for (level = 0; level < sizeof(cmd_text)/sizeof(cmd_text[0]); level++)
{
SZ_Clear (&cmd_text[level].buf);
if (cmd_text[level].buf.data)
{
BZ_Free(cmd_text[level].buf.data);
cmd_text[level].buf.data = NULL;
cmd_text[level].buf.maxsize = 0;
}
}
while(cmd_functions)
{
c = cmd_functions;
cmd_functions = c->next;
Z_Free(c);
}
while(cmd_alias)
{
a = cmd_alias;
cmd_alias = a->next;
Z_Free(a->value);
Z_Free(a);
}
for (i=0 ; i<cmd_argc ; i++)
Z_Free (cmd_argv[i]);
Z_Free(cmd_args_buf);
cmd_argc = 0;
cmd_args_buf = NULL;
}
static char macro_buf[256] = "";
static char *Macro_Time (void)
{
time_t t;
struct tm *ptm;
time (&t);
ptm = localtime (&t);
if (!ptm)
return "#bad date#";
strftime (macro_buf, sizeof(macro_buf)-1, "%H:%M", ptm);
return macro_buf;
}
static char *Macro_UKDate (void) //and much but not all of EU
{
time_t t;
struct tm *ptm;
time (&t);
ptm = localtime (&t);
if (!ptm)
return "#bad date#";
strftime (macro_buf, sizeof(macro_buf)-1, "%d.%m.%Y", ptm);
return macro_buf;
}
static char *Macro_ProperDate (void) //americans get it wrong. besides, this is more easily sortable for filenames etc
{
time_t t;
struct tm *ptm;
time (&t);
ptm = localtime (&t);
if (!ptm)
return "#bad date#";
strftime (macro_buf, sizeof(macro_buf)-1, "%Y-%m-%d", ptm);
return macro_buf;
}
static char *Macro_Version (void)
{
/* you probably don't need date, but it's included as this is likly to be used by
q2 servers checking for cheats. */
return va("%.2f %s", 2.57, version_string());
}
static char *Macro_Quote (void)
{
return "\"";
}
/*
============
Cmd_Init
============
*/
void Cmd_Init (void)
{
//
// register our commands
//
Cmd_AddCommand ("cfg_save",Cmd_WriteConfig_f);
Cmd_AddCommand ("cfg_load",Cmd_Exec_f);
Cmd_AddCommand ("cfg_reset",Cmd_Reset_f);
Cmd_AddCommand ("exec",Cmd_Exec_f);
Cmd_AddCommand ("echo",Cmd_Echo_f);
Cmd_AddCommand ("alias",Cmd_Alias_f);
Cmd_AddCommand ("newalias",Cmd_Alias_f);
Cmd_AddCommand ("wait", Cmd_Wait_f);
#ifndef SERVERONLY
Cmd_AddCommand ("cmd", Cmd_ForwardToServer_f);
Cmd_AddCommand ("condump", Cmd_Condump_f);
#endif
Cmd_AddCommand ("restrict", Cmd_RestrictCommand_f);
Cmd_AddCommand ("aliaslevel", Cmd_AliasLevel_f);
Cmd_AddCommand ("showalias", Cmd_ShowAlias_f);
// Cmd_AddCommand ("msg_trigger", Cmd_Msg_Trigger_f);
// Cmd_AddCommand ("filter", Cmd_Msg_Filter_f);
Cmd_AddCommand ("toggle", Cmd_toggle_f);
Cmd_AddCommand ("set", Cmd_set_f);
Cmd_AddCommand ("set_calc", Cmd_set_f);
Cmd_AddCommand ("seta", Cmd_set_f);
Cmd_AddCommand ("seta_calc", Cmd_set_f);
Cmd_AddCommand ("vstr", Cmd_Vstr_f);
Cmd_AddCommand ("inc", Cvar_Inc_f);
//FIXME: Add seta some time.
Cmd_AddCommand ("if", Cmd_if_f);
Cmd_AddCommand ("cmdlist", Cmd_List_f);
Cmd_AddCommand ("aliaslist", Cmd_AliasList_f);
Cmd_AddCommand ("macrolist", Cmd_MacroList_f);
Cmd_AddCommand ("cvarlist", Cvar_List_f);
Cmd_AddCommand ("cvarreset", Cvar_Reset_f);
Cmd_AddCommand ("fs_flush", COM_RefreshFSCache_f);
Cmd_AddMacro("time", Macro_Time, true);
Cmd_AddMacro("date", Macro_UKDate, false);
Cmd_AddMacro("properdate", Macro_ProperDate, false);
Cmd_AddMacro("version", Macro_Version, false);
Cmd_AddMacro("qt", Macro_Quote, false);
Cvar_Register(&com_fs_cache, "Filesystem");
Cvar_Register(&tp_disputablemacros, "Teamplay");
Cvar_Register(&dpcompat_set, "Darkplaces compatibility");
#ifndef SERVERONLY
rcon_level.ival = atof(rcon_level.defaultstr); //client is restricted to not be allowed to change restrictions.
#else
Cvar_Register(&rcon_level, "Access controls"); //server gains versatility.
#endif
rcon_level.restriction = RESTRICT_MAX; //default. Don't let anyone change this too easily.
cmd_maxbuffersize.restriction = RESTRICT_MAX; //filling this causes a loop for quite some time.
Cvar_Register(&cl_aliasoverlap, "Console");
//FIXME: go through quake.rc and parameters looking for sets and setas and setting them now.
}
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