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xash3d-fwgs/engine/common/cmd.c

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/*
cmd.c - script command processing module
Copyright (C) 2007 Uncle Mike
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 3 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.
*/
#include "common.h"
#include "client.h"
#include "server.h"
#include "base_cmd.h"
#define MAX_CMD_BUFFER 32768
#define MAX_CMD_LINE 2048
#define MAX_ALIAS_NAME 32
typedef struct
{
byte *data;
int cursize;
int maxsize;
} cmdbuf_t;
qboolean cmd_wait;
cmdbuf_t cmd_text;
byte cmd_text_buf[MAX_CMD_BUFFER];
cmdalias_t *cmd_alias;
uint cmd_condition;
int cmd_condlevel;
/*
=============================================================================
COMMAND BUFFER
=============================================================================
*/
/*
============
Cbuf_Init
============
*/
void Cbuf_Init( void )
{
cmd_text.data = cmd_text_buf;
cmd_text.maxsize = MAX_CMD_BUFFER;
cmd_text.cursize = 0;
}
/*
============
Cbuf_Clear
============
*/
void Cbuf_Clear( void )
{
memset( cmd_text.data, 0, sizeof( cmd_text_buf ));
cmd_text.cursize = 0;
}
/*
============
Cbuf_GetSpace
============
*/
void *Cbuf_GetSpace( cmdbuf_t *buf, int length )
{
void *data;
if(( buf->cursize + length ) > buf->maxsize )
{
buf->cursize = 0;
Host_Error( "Cbuf_GetSpace: overflow\n" );
}
data = buf->data + buf->cursize;
buf->cursize += length;
return data;
}
/*
============
Cbuf_AddText
Adds command text at the end of the buffer
============
*/
void Cbuf_AddText( const char *text )
{
int l = Q_strlen( text );
if(( cmd_text.cursize + l ) >= cmd_text.maxsize )
{
Con_Reportf( S_WARN "Cbuf_AddText: overflow\n" );
}
else
{
memcpy( Cbuf_GetSpace( &cmd_text, l ), text, l );
}
}
/*
============
Cbuf_InsertText
Adds command text immediately after the current command
Adds a \n to the text
============
*/
void Cbuf_InsertText( const char *text )
{
int l = Q_strlen( text );
if(( cmd_text.cursize + l ) >= cmd_text.maxsize )
{
Con_Reportf( S_WARN "Cbuf_InsertText: overflow\n" );
}
else
{
memmove( cmd_text.data + l, cmd_text.data, cmd_text.cursize );
memcpy( cmd_text.data, text, l );
cmd_text.cursize += l;
}
}
/*
============
Cbuf_Execute
============
*/
void Cbuf_Execute( void )
{
char *text;
char line[MAX_CMD_LINE];
int i, quotes;
char *comment;
while( cmd_text.cursize )
{
// find a \n or ; line break
text = (char *)cmd_text.data;
quotes = false;
comment = NULL;
for( i = 0; i < cmd_text.cursize; i++ )
{
if( !comment )
{
if( text[i] == '"' ) quotes = !quotes;
if( quotes )
{
// make sure i doesn't get > cursize which causes a negative size in memmove, which is fatal --blub
if( i < ( cmd_text.cursize - 1 ) && ( text[i+0] == '\\' && (text[i+1] == '"' || text[i+1] == '\\')))
i++;
}
else
{
if( text[i+0] == '/' && text[i+1] == '/' && ( i == 0 || (byte)text[i - 1] <= ' ' ))
comment = &text[i];
if( text[i] == ';' ) break; // don't break if inside a quoted string or comment
}
}
if( text[i] == '\n' || text[i] == '\r' )
break;
}
if( i >= ( MAX_CMD_LINE - 1 ))
{
Con_DPrintf( S_ERROR "Cbuf_Execute: command string owerflow\n" );
line[0] = 0;
}
else
{
memcpy( line, text, comment ? (comment - text) : i );
line[comment ? (comment - text) : i] = 0;
}
// delete the text from the command buffer and move remaining commands down
// this is necessary because commands (exec) can insert data at the
// beginning of the text buffer
if( i == cmd_text.cursize )
{
cmd_text.cursize = 0;
}
else
{
i++;
cmd_text.cursize -= i;
memmove( cmd_text.data, text + i, cmd_text.cursize );
}
// execute the command line
Cmd_ExecuteString( line );
if( cmd_wait )
{
// skip out while text still remains in buffer,
// leaving it for next frame
cmd_wait = false;
break;
}
}
}
/*
===============
Cbuf_ExecStuffCmds
execute commandline
===============
*/
void Cbuf_ExecStuffCmds( void )
{
char build[MAX_CMD_LINE]; // this is for all commandline options combined (and is bounds checked)
int i, j, l = 0;
// no reason to run the commandline arguments twice
if( !host.stuffcmds_pending )
return;
build[0] = 0;
for( i = 0; i < host.argc; i++ )
{
if( host.argv[i] && host.argv[i][0] == '+' && ( host.argv[i][1] < '0' || host.argv[i][1] > '9' ) && l + Q_strlen( host.argv[i] ) - 1 <= sizeof( build ) - 1 )
{
j = 1;
while( host.argv[i][j] )
build[l++] = host.argv[i][j++];
for( i++; i < host.argc; i++ )
{
if( !host.argv[i] ) continue;
if(( host.argv[i][0] == '+' || host.argv[i][0] == '-' ) && ( host.argv[i][1] < '0' || host.argv[i][1] > '9' ))
break;
if( l + Q_strlen( host.argv[i] ) + 4 > sizeof( build ) - 1 )
break;
build[l++] = ' ';
if( Q_strchr( host.argv[i], ' ' ))
build[l++] = '\"';
for( j = 0; host.argv[i][j]; j++ )
build[l++] = host.argv[i][j];
if( Q_strchr( host.argv[i], ' ' ))
build[l++] = '\"';
}
build[l++] = '\n';
i--;
}
}
// now terminate the combined string and prepend it to the command buffer
// we already reserved space for the terminator
build[l++] = 0;
Cbuf_InsertText( build );
Cbuf_Execute(); // apply now
// this command can be called only from .rc
Cmd_RemoveCommand( "stuffcmds" );
host.stuffcmds_pending = false;
}
/*
==============================================================================
SCRIPT COMMANDS
==============================================================================
*/
/*
===============
Cmd_StuffCmds_f
Adds command line parameters as script statements
Commands lead with a +, and continue until a - or another +
hl.exe -dev 3 +map c1a0d
hl.exe -nosound -game bshift
===============
*/
void Cmd_StuffCmds_f( void )
{
host.stuffcmds_pending = true;
}
/*
============
Cmd_Wait_f
Causes execution of the remainder of the command buffer to be delayed until
next frame. This allows commands like:
bind g "cmd use rocket ; +attack ; wait ; -attack ; cmd use blaster"
============
*/
void Cmd_Wait_f( void )
{
cmd_wait = true;
}
/*
===============
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" );
}
/*
===============
Cmd_Alias_f
Creates a new command that executes a command string (possibly ; seperated)
===============
*/
void Cmd_Alias_f( void )
{
cmdalias_t *a;
char cmd[MAX_CMD_LINE];
int i, c;
const char *s;
if( Cmd_Argc() == 1 )
{
Con_Printf( "Current alias commands:\n" );
for( a = cmd_alias; a; a = a->next )
Con_Printf( "^2%s^7 : ^3%s^7\n", a->name, a->value );
return;
}
s = Cmd_Argv( 1 );
if( Q_strlen( s ) >= MAX_ALIAS_NAME )
{
Con_Printf( "Alias name is too long\n" );
return;
}
// if the alias already exists, reuse it
for( a = cmd_alias; a; a = a->next )
{
if( !Q_strcmp( s, a->name ))
{
Z_Free( a->value );
break;
}
}
if( !a )
{
cmdalias_t *cur, *prev;
a = Z_Malloc( sizeof( cmdalias_t ));
Q_strncpy( a->name, s, sizeof( a->name ));
// insert it at the right alphanumeric position
for( prev = NULL, cur = cmd_alias; cur && Q_strcmp( cur->name, a->name ) < 0; prev = cur, cur = cur->next );
if( prev ) prev->next = a;
else cmd_alias = a;
a->next = cur;
#if defined( XASH_HASHED_VARS )
BaseCmd_Insert( HM_CMDALIAS, a, a->name );
#endif
}
// 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++ )
{
if( i != 2 ) Q_strncat( cmd, " ", sizeof( cmd ));
Q_strncat( cmd, Cmd_Argv( i ), sizeof( cmd ));
}
Q_strncat( cmd, "\n", sizeof( cmd ));
a->value = copystring( cmd );
}
/*
===============
Cmd_UnAlias_f
Remove existing aliases.
===============
*/
static void Cmd_UnAlias_f ( void )
{
cmdalias_t *a, *p;
const char *s;
int i;
if( Cmd_Argc() == 1 )
{
Con_Printf( S_USAGE "unalias alias1 [alias2 ...]\n" );
return;
}
for( i = 1; i < Cmd_Argc(); i++ )
{
s = Cmd_Argv( i );
p = NULL;
for( a = cmd_alias; a; p = a, a = a->next )
{
if( !Q_strcmp( s, a->name ))
{
#if defined( XASH_HASHED_VARS )
BaseCmd_Remove( HM_CMDALIAS, a->name );
#endif
if( a == cmd_alias )
cmd_alias = a->next;
if( p ) p->next = a->next;
Mem_Free( a->value );
Mem_Free( a );
break;
}
}
if( !a ) Con_Printf( "%s not found\n", s );
}
}
/*
=============================================================================
COMMAND EXECUTION
=============================================================================
*/
typedef struct cmd_s
{
struct cmd_s *next;
char *name;
xcommand_t function;
char *desc;
int flags;
} cmd_t;
static int cmd_argc;
static char *cmd_args = NULL;
static char *cmd_argv[MAX_CMD_TOKENS];
static char cmd_tokenized[MAX_CMD_BUFFER]; // will have 0 bytes inserted
static cmd_t *cmd_functions; // possible commands to execute
/*
============
Cmd_Argc
============
*/
int GAME_EXPORT Cmd_Argc( void )
{
return cmd_argc;
}
/*
============
Cmd_Argv
============
*/
const char *Cmd_Argv( int arg )
{
if((uint)arg >= cmd_argc )
return "";
return cmd_argv[arg];
}
/*
============
Cmd_Args
============
*/
const char *Cmd_Args( void )
{
return cmd_args;
}
/*
===========================
Client exports
===========================
*/
/*
============
Cmd_AliasGetList
============
*/
cmdalias_t *GAME_EXPORT Cmd_AliasGetList( void )
{
return cmd_alias;
}
/*
============
Cmd_GetList
============
*/
cmd_t *GAME_EXPORT Cmd_GetFirstFunctionHandle( void )
{
return cmd_functions;
}
/*
============
Cmd_GetNext
============
*/
cmd_t *GAME_EXPORT Cmd_GetNextFunctionHandle( cmd_t *cmd )
{
return (cmd) ? cmd->next : NULL;
}
/*
============
Cmd_GetName
============
*/
char *GAME_EXPORT Cmd_GetName( cmd_t *cmd )
{
return cmd->name;
}
/*
============
Cmd_TokenizeString
Parses the given string into command line tokens.
The text is copied to a seperate buffer and 0 characters
are inserted in the apropriate place, The argv array
will point into this temporary buffer.
============
*/
void Cmd_TokenizeString( char *text )
{
char cmd_token[MAX_CMD_BUFFER];
int i;
// clear the args from the last string
for( i = 0; i < cmd_argc; i++ )
Z_Free( cmd_argv[i] );
cmd_argc = 0; // clear previous args
cmd_args = NULL;
if( !text ) return;
while( 1 )
{
// skip whitespace up to a /n
while( *text && ((byte)*text) <= ' ' && *text != '\r' && *text != '\n' )
text++;
if( *text == '\n' || *text == '\r' )
{
// a newline seperates commands in the buffer
if( *text == '\r' && text[1] == '\n' )
text++;
text++;
break;
}
if( !*text )
return;
if( cmd_argc == 1 )
cmd_args = text;
host.com_ignorebracket = true;
text = COM_ParseFile( text, cmd_token );
host.com_ignorebracket = false;
if( !text ) return;
if( cmd_argc < MAX_CMD_TOKENS )
{
cmd_argv[cmd_argc] = copystring( cmd_token );
cmd_argc++;
}
}
}
/*
============
Cmd_AddCommandEx
============
*/
static int Cmd_AddCommandEx( const char *funcname, const char *cmd_name, xcommand_t function,
const char *cmd_desc, int iFlags )
{
cmd_t *cmd, *cur, *prev;
if( !COM_CheckString( cmd_name ))
{
Con_Reportf( S_ERROR "Cmd_AddCommand: NULL name\n" );
return 0;
}
// fail if the command is a variable name
if( Cvar_FindVar( cmd_name ))
{
Con_DPrintf( S_ERROR "Cmd_AddServerCommand: %s already defined as a var\n", cmd_name );
return 0;
}
// fail if the command already exists
if( Cmd_Exists( cmd_name ))
{
Con_DPrintf( S_ERROR "Cmd_AddServerCommand: %s already defined\n", cmd_name );
return 0;
}
// use a small malloc to avoid zone fragmentation
cmd = Z_Malloc( sizeof( cmd_t ) );
cmd->name = copystring( cmd_name );
cmd->desc = copystring( cmd_desc );
cmd->function = function;
cmd->flags = iFlags;
// insert it at the right alphanumeric position
for( prev = NULL, cur = cmd_functions; cur && Q_strcmp( cur->name, cmd_name ) < 0; prev = cur, cur = cur->next );
if( prev ) prev->next = cmd;
else cmd_functions = cmd;
cmd->next = cur;
#if defined(XASH_HASHED_VARS)
BaseCmd_Insert( HM_CMD, cmd, cmd->name );
#endif
return 1;
}
/*
============
Cmd_AddCommand
============
*/
void Cmd_AddCommand( const char *cmd_name, xcommand_t function, const char *cmd_desc )
{
Cmd_AddCommandEx( __FUNCTION__, cmd_name, function, cmd_desc, 0 );
}
/*
============
Cmd_AddRestrictedCommand
============
*/
void Cmd_AddRestrictedCommand( const char *cmd_name, xcommand_t function, const char *cmd_desc )
{
Cmd_AddCommandEx( __FUNCTION__, cmd_name, function, cmd_desc, CMD_LOCALONLY );
}
/*
============
Cmd_AddServerCommand
============
*/
void GAME_EXPORT Cmd_AddServerCommand( const char *cmd_name, xcommand_t function )
{
Cmd_AddCommandEx( __FUNCTION__, cmd_name, function, "server command", CMD_SERVERDLL );
}
/*
============
Cmd_AddClientCommand
============
*/
int GAME_EXPORT Cmd_AddClientCommand( const char *cmd_name, xcommand_t function )
{
return Cmd_AddCommandEx( __FUNCTION__, cmd_name, function, "client command", CMD_CLIENTDLL );
}
/*
============
Cmd_AddGameUICommand
============
*/
int GAME_EXPORT Cmd_AddGameUICommand( const char *cmd_name, xcommand_t function )
{
return Cmd_AddCommandEx( __FUNCTION__, cmd_name, function, "gameui command", CMD_GAMEUIDLL );
}
/*
============
Cmd_AddRefCommand
============
*/
int Cmd_AddRefCommand( const char *cmd_name, xcommand_t function, const char *description )
{
return Cmd_AddCommandEx( __FUNCTION__, cmd_name, function, description, CMD_REFDLL );
}
/*
============
Cmd_RemoveCommand
============
*/
void GAME_EXPORT Cmd_RemoveCommand( const char *cmd_name )
{
cmd_t *cmd, **back;
if( !cmd_name || !*cmd_name )
return;
back = &cmd_functions;
while( 1 )
{
cmd = *back;
if( !cmd ) return;
if( !Q_strcmp( cmd_name, cmd->name ))
{
#if defined(XASH_HASHED_VARS)
BaseCmd_Remove( HM_CMD, cmd->name );
#endif
*back = cmd->next;
if( cmd->name )
Mem_Free( cmd->name );
if( cmd->desc )
Mem_Free( cmd->desc );
Mem_Free( cmd );
return;
}
back = &cmd->next;
}
}
/*
============
Cmd_LookupCmds
============
*/
void Cmd_LookupCmds( void *buffer, void *ptr, setpair_t callback )
{
cmd_t *cmd;
cmdalias_t *alias;
// nothing to process ?
if( !callback ) return;
for( cmd = cmd_functions; cmd; cmd = cmd->next )
{
if( !buffer ) callback( cmd->name, (char *)cmd->function, cmd->desc, ptr );
else callback( cmd->name, (char *)cmd->function, buffer, ptr );
}
// lookup an aliases too
for( alias = cmd_alias; alias; alias = alias->next )
callback( alias->name, alias->value, buffer, ptr );
}
/*
============
Cmd_Exists
============
*/
qboolean Cmd_Exists( const char *cmd_name )
{
#if defined(XASH_HASHED_VARS)
return BaseCmd_Find( HM_CMD, cmd_name ) != NULL;
#else
cmd_t *cmd;
for( cmd = cmd_functions; cmd; cmd = cmd->next )
{
if( !Q_strcmp( cmd_name, cmd->name ))
return true;
}
return false;
#endif
}
/*
============
Cmd_If_f
Compare and et condition bit if true
============
*/
void Cmd_If_f( void )
{
// reset bit first
cmd_condition &= ~BIT( cmd_condlevel );
// usage
if( cmd_argc == 1 )
{
Con_Printf( S_USAGE "if <op1> [ <operator> <op2> ]\n");
Con_Printf( ":<action1>\n" );
Con_Printf( ":<action2>\n" );
Con_Printf( "else\n" );
Con_Printf( ":<action3>\n" );
Con_Printf( "operands are string or float values\n" );
Con_Printf( "and substituted cvars like '$cl_lw'\n" );
Con_Printf( "operator is '='', '==', '>', '<', '>=', '<=' or '!='\n" );
return;
}
// one argument - check if nonzero
if( cmd_argc == 2 )
{
if( Q_atof( cmd_argv[1] ))
cmd_condition |= BIT( cmd_condlevel );
}
else if( cmd_argc == 4 )
{
// simple compare
float f1 = Q_atof( cmd_argv[1] );
float f2 = Q_atof( cmd_argv[3] );
if( !cmd_argv[2][0] ) // this is wrong
return;
if(( cmd_argv[2][0] == '=' ) || ( cmd_argv[2][1] == '=' )) // =, ==, >=, <=
{
if( !Q_strcmp( cmd_argv[1], cmd_argv[3] ) || (( f1 || f2 ) && ( f1 == f2 )))
cmd_condition |= BIT( cmd_condlevel );
}
if( cmd_argv[2][0] == '!' ) // !=
{
cmd_condition ^= BIT( cmd_condlevel );
return;
}
if(( cmd_argv[2][0] == '>' ) && ( f1 > f2 )) // >, >=
cmd_condition |= BIT( cmd_condlevel );
if(( cmd_argv[2][0] == '<' ) && ( f1 < f2 )) // <, <=
cmd_condition |= BIT( cmd_condlevel );
}
}
/*
============
Cmd_Else_f
Invert condition bit
============
*/
void Cmd_Else_f( void )
{
cmd_condition ^= BIT( cmd_condlevel );
}
/*
============
Cmd_ExecuteString
A complete command line has been parsed, so try to execute it
============
*/
void Cmd_ExecuteString( char *text )
{
cmd_t *cmd = NULL;
cmdalias_t *a = NULL;
convar_t *cvar = NULL;
char command[MAX_CMD_LINE];
char *pcmd = command;
int len = 0;
cmd_condlevel = 0;
// cvar value substitution
if( cmd_scripting && cmd_scripting->value )
{
while( *text )
{
// check for escape
if(( *text == '\\' || *text == '$' ) && (*( text + 1 ) == '$' ))
{
text ++;
}
else if( *text == '$' )
{
char token[MAX_CMD_LINE];
char *ptoken = token;
// check for correct cvar name
text++;
while(( *text >= '0' && *text <= '9' ) || ( *text >= 'A' && *text <= 'Z' ) || ( *text >= 'a' && *text <= 'z' ) || ( *text == '_' ))
*ptoken++ = *text++;
*ptoken = 0;
len += Q_strncpy( pcmd, Cvar_VariableString( token ), MAX_CMD_LINE - len );
pcmd = command + len;
if( !*text ) break;
}
*pcmd++ = *text++;
len++;
}
*pcmd = 0;
text = command;
while( *text == ':' )
{
if( !FBitSet( cmd_condition, BIT( cmd_condlevel )))
return;
cmd_condlevel++;
text++;
}
}
// execute the command line
Cmd_TokenizeString( text );
if( !Cmd_Argc( )) return; // no tokens
#if defined(XASH_HASHED_VARS)
BaseCmd_FindAll( cmd_argv[0],
(base_command_t**)&cmd,
(base_command_t**)&a,
(base_command_t**)&cvar );
#endif
if( !host.apply_game_config )
{
// check aliases
if( a ) // already found in basecmd
{
Cbuf_InsertText( a->value );
return;
}
for( a = cmd_alias; a; a = a->next )
{
if( !Q_stricmp( cmd_argv[0], a->name ))
{
Cbuf_InsertText( a->value );
return;
}
}
}
// special mode for restore game.dll archived cvars
if( !host.apply_game_config || !Q_strcmp( cmd_argv[0], "exec" ))
{
// check functions
if( cmd && cmd->function ) // already found in basecmd
{
cmd->function();
return;
}
for( cmd = cmd_functions; cmd; cmd = cmd->next )
{
if( !Q_stricmp( cmd_argv[0], cmd->name ) && cmd->function )
{
cmd->function();
return;
}
}
}
// check cvars
if( Cvar_Command( cvar )) return;
if( host.apply_game_config )
return; // don't send nothing to server: we is a server!
// forward the command line to the server, so the entity DLL can parse it
if( host.type == HOST_NORMAL )
{
#if !XASH_DEDICATED
if( cls.state >= ca_connected )
{
Cmd_ForwardToServer();
}
else
#endif // XASH_DEDICATED
if( Cvar_VariableInteger( "host_gameloaded" ))
{
Con_Printf( S_WARN "Unknown command \"%s\"\n", text );
}
}
}
/*
===================
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.
===================
*/
#if !XASH_DEDICATED
void Cmd_ForwardToServer( void )
{
char str[MAX_CMD_BUFFER];
if( cls.demoplayback )
{
if( !Q_stricmp( Cmd_Argv( 0 ), "pause" ))
cl.paused ^= 1;
return;
}
if( cls.state < ca_connected || cls.state > ca_active )
{
if( Q_stricmp( Cmd_Argv( 0 ), "setinfo" ))
Con_Printf( "Can't \"%s\", not connected\n", Cmd_Argv( 0 ));
return; // not connected
}
MSG_BeginClientCmd( &cls.netchan.message, clc_stringcmd );
str[0] = 0;
if( Q_stricmp( Cmd_Argv( 0 ), "cmd" ))
{
Q_strcat( str, Cmd_Argv( 0 ));
Q_strcat( str, " " );
}
if( Cmd_Argc() > 1 )
Q_strcat( str, Cmd_Args( ));
else Q_strcat( str, "\n" );
MSG_WriteString( &cls.netchan.message, str );
}
#endif // XASH_DEDICATED
/*
============
Cmd_List_f
============
*/
void Cmd_List_f( void )
{
cmd_t *cmd;
int i = 0;
const char *match;
if( Cmd_Argc() > 1 ) match = Cmd_Argv( 1 );
else match = NULL;
for( cmd = cmd_functions; cmd; cmd = cmd->next )
{
if( cmd->name[0] == '@' )
continue; // never show system cmds
if( match && !Q_stricmpext( match, cmd->name ))
continue;
Con_Printf( " %-*s ^3%s^7\n", 32, cmd->name, cmd->desc );
i++;
}
Con_Printf( "%i commands\n", i );
}
/*
============
Cmd_Unlink
unlink all commands with specified flag
============
*/
void Cmd_Unlink( int group )
{
cmd_t *cmd;
cmd_t **prev;
int count = 0;
if( Cvar_VariableInteger( "host_gameloaded" ) && FBitSet( group, CMD_SERVERDLL ))
return;
if( Cvar_VariableInteger( "host_clientloaded" ) && FBitSet( group, CMD_CLIENTDLL ))
return;
if( Cvar_VariableInteger( "host_gameuiloaded" ) && FBitSet( group, CMD_GAMEUIDLL ))
return;
prev = &cmd_functions;
while( 1 )
{
cmd = *prev;
if( !cmd ) break;
// do filter by specified group
if( group && !FBitSet( cmd->flags, group ))
{
prev = &cmd->next;
continue;
}
#if defined(XASH_HASHED_VARS)
BaseCmd_Remove( HM_CMD, cmd->name );
#endif
*prev = cmd->next;
if( cmd->name ) Mem_Free( cmd->name );
if( cmd->desc ) Mem_Free( cmd->desc );
Mem_Free( cmd );
count++;
}
Con_Reportf( "unlink %i commands\n", count );
}
static void Cmd_Apropos_f( void )
{
cmd_t *cmd;
convar_t *var;
cmdalias_t *alias;
const char *partial;
int count = 0;
qboolean ispattern;
if( Cmd_Argc() > 1 )
{
partial = Cmd_Args();
}
else
{
Msg( "apropos what?\n" );
return;
}
ispattern = partial && ( Q_strchr( partial, '*' ) || Q_strchr( partial, '?' ));
if( !ispattern )
partial = va( "*%s*", partial );
for( var = (convar_t*)Cvar_GetList(); var; var = var->next )
{
if( !matchpattern_with_separator( var->name, partial, true, "", false ) )
{
const char *desc;
if( var->flags & FCVAR_EXTENDED )
desc = var->desc;
else desc = "game cvar";
if( !desc )
desc = "user cvar";
if( !matchpattern_with_separator( desc, partial, true, "", false ))
continue;
}
// TODO: maybe add flags output like cvarlist, also
// fix inconsistencies in output from different commands
Msg( "cvar ^3%s^7 is \"%s\" [\"%s\"] %s\n",
var->name, var->string,
( var->flags & FCVAR_EXTENDED ) ? var->def_string : "",
( var->flags & FCVAR_EXTENDED ) ? var->desc : "game cvar");
count++;
}
for( cmd = Cmd_GetFirstFunctionHandle(); cmd; cmd = Cmd_GetNextFunctionHandle( cmd ) )
{
if( cmd->name[0] == '@' )
continue; // never show system cmds
if( !matchpattern_with_separator( cmd->name, partial, true, "", false ) &&
!matchpattern_with_separator( cmd->desc, partial, true, "", false ))
continue;
Msg( "command ^2%s^7: %s\n", cmd->name, cmd->desc );
count++;
}
for( alias = Cmd_AliasGetList(); alias; alias = alias->next )
{
// proceed a bit differently here as an alias value always got a final \n
if( !matchpattern_with_separator( alias->name, partial, true, "", false ) &&
!matchpattern_with_separator( alias->value, partial, true, "\n", false )) // when \n is a separator, wildcards don't match it //-V666
continue;
Msg( "alias ^5%s^7: %s", alias->name, alias->value ); // do not print an extra \n
count++;
}
Msg( "\n%i result%s\n\n", count, (count > 1) ? "s" : "" );
}
/*
============
Cmd_Null_f
null function for some cmd stubs
============
*/
void Cmd_Null_f( void )
{
}
/*
============
Cmd_Init
============
*/
void Cmd_Init( void )
{
Cbuf_Init();
cmd_functions = NULL;
cmd_condition = 0;
cmd_alias = NULL;
cmd_args = NULL;
cmd_argc = 0;
// register our commands
Cmd_AddCommand( "echo", Cmd_Echo_f, "print a message to the console (useful in scripts)" );
Cmd_AddCommand( "wait", Cmd_Wait_f, "make script execution wait for some rendered frames" );
Cmd_AddCommand( "cmdlist", Cmd_List_f, "display all console commands beginning with the specified prefix" );
Cmd_AddCommand( "stuffcmds", Cmd_StuffCmds_f, "execute commandline parameters (must be present in .rc script)" );
Cmd_AddCommand( "apropos", Cmd_Apropos_f, "lists all console variables/commands/aliases containing the specified string in the name or description" );
#if !XASH_DEDICATED
Cmd_AddCommand( "cmd", Cmd_ForwardToServer, "send a console commandline to the server" );
#endif // XASH_DEDICATED
Cmd_AddCommand( "alias", Cmd_Alias_f, "create a script function. Without arguments show the list of all alias" );
Cmd_AddCommand( "unalias", Cmd_UnAlias_f, "remove a script function" );
Cmd_AddCommand( "if", Cmd_If_f, "compare and set condition bits" );
Cmd_AddCommand( "else", Cmd_Else_f, "invert condition bit" );
#if defined(XASH_HASHED_VARS)
Cmd_AddCommand( "basecmd_stats", BaseCmd_Stats_f, "print info about basecmd usage" );
Cmd_AddCommand( "basecmd_test", BaseCmd_Test_f, "test basecmd" );
#endif
}