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cmd.c
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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"
void Cmd_ForwardToServer_f (void);
#define MAX_ALIAS_NAME 32
typedef struct cmdalias_s
{
struct cmdalias_s *next;
char name[MAX_ALIAS_NAME];
char *value;
} cmdalias_t;
cmdalias_t *cmd_alias;
int trashtest;
int *trashspot;
qboolean cmd_wait;
//=============================================================================
/*
============
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"
============
*/
static void Cmd_Wait_f (void)
{
cmd_wait = true;
}
/*
=============================================================================
COMMAND BUFFER
=============================================================================
*/
sizebuf_t cmd_text;
/*
============
Cbuf_Init
============
*/
void Cbuf_Init (void)
{
SZ_Alloc (&cmd_text, 8192); // space for commands and script files
}
/*
============
Cbuf_AddText
Adds command text at the end of the buffer
============
*/
void Cbuf_AddText (char *text)
{
int l;
l = strlen (text);
if (cmd_text.cursize + l >= cmd_text.maxsize)
{
Con_Printf ("Cbuf_AddText: overflow\n");
return;
}
SZ_Write (&cmd_text, text, 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 (char *text)
{
char *temp = NULL;
int templen;
// copy off any commands still remaining in the exec buffer
if ((templen = cmd_text.cursize))
{
temp = Z_Malloc (templen);
memcpy (temp, cmd_text.data, templen);
SZ_Clear (&cmd_text);
}
// add the entire text of the file
Cbuf_AddText (text);
// add the copied off data
if (templen)
{
SZ_Write (&cmd_text, temp, templen);
Z_Free (temp);
}
}
/*
============
Cbuf_Execute
============
*/
void Cbuf_Execute (void)
{
int i;
char *text;
char line[1024];
int quotes;
#ifdef PROQUAKE_EXTENSION
int notcmd; // JPG - so that the ENTIRE line can be forwarded
#endif
while (cmd_text.cursize)
{
// find a \n or ; line break
text = (char *)cmd_text.data;
quotes = 0;
#ifdef PROQUAKE_EXTENSION
notcmd = strncmp(text, "cmd ", 4); // JPG - so that the ENTIRE line can be forwarded
#endif
for (i=0 ; i< cmd_text.cursize ; i++)
{
if (text[i] == '"')
quotes++;
#ifdef PROQUAKE_EXTENSION
if ( !(quotes&1) && text[i] == ';' && notcmd) // JPG - added && cmd so that the ENTIRE line can be forwareded
#else
if ( !(quotes&1) && text[i] == ';')
#endif
break; // don't break if inside a quoted string
if (text[i] == '\n')
break;
}
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.cursize)
{
cmd_text.cursize = 0;
}
else
{
i++;
cmd_text.cursize -= i;
memcpy (text, text+i, cmd_text.cursize);
}
// execute the command line
Cmd_ExecuteString (line, src_command);
if (cmd_wait) {
// skip out while text still remains in buffer, leaving it for next frame
cmd_wait = false;
break;
}
}
}
/*
==============================================================================
SCRIPT COMMANDS
==============================================================================
*/
#ifdef PROQUAKE_EXTENSION
/*
===============
Cmd_Baker_Inject_Aliases
Adds commonly used aliases in and reassigns the sound keys.
Occurs with stuffcmds and reset to defaults.
Should never be used with dedicated server.
This is hacky, eventually the "right" way to do this
will be decided, but ProQuake isn't a gamedir engine
so the options are limited.
===============
*/
void Cmd_Baker_Inject_Aliases () {
if (COM_CheckParm ("-noinjectaliases") == 0) {
// Baker 3.70 - Alias injection point
Cbuf_AddText ("alias +quickgrenade \"-attack;wait;impulse 6;wait;+attack\"\n");
Cbuf_AddText ("alias -quickgrenade \"-attack;wait;bestweapon 7 8 5 3 4 2 1\"\n");
Cbuf_AddText ("alias +quickrocket \"-attack;wait;impulse 7;wait;+attack\"\n");
Cbuf_AddText ("alias -quickrocket \"-attack;wait;bestweapon 8 5 3 4 2 7 1\"\n");
Cbuf_AddText ("alias +quickshaft \"-attack;wait;impulse 8;wait;+attack\"\n");
Cbuf_AddText ("alias -quickshaft \"-attack;wait;bestweapon 7 5 8 3 4 2 1\"\n");
Cbuf_AddText ("alias +quickshot \"-attack;wait;impulse 2;wait;+attack\"\n");
Cbuf_AddText ("alias -quickshot \"-attack;wait;bestweapon 7 8 5 3 4 2 1\"\n");
Cbuf_AddText ("alias bestsafe \"bestweapon 8 5 3 4 2 1\"\n");
Cbuf_AddText ("alias teamloc \"say_team I am at %l with %h health/%a armor\"\n");
if (COM_CheckParm ("-nosoundkeys") == 0) {
Cbuf_AddText ("bind \"-\" \"volumedown\"\n");
Cbuf_AddText ("bind \"=\" \"volumeup\"\n");
} else {
Con_Printf ("Automatic sound keys disabled\n");
}
Cbuf_AddText ("alias +zoom \"savefov; savesensitivity; fov 70; sensitivity 4; wait; fov 58; sensitivity 3.25; wait; fov 45; sensitivity 2.50; wait; fov 32; sensitivity 1.74; wait; fov 20; sensitivity 14.0\"\n");
Cbuf_AddText ("alias -zoom \"fov 32; sensitivity 1.75; wait; fov 45; sensitivity 2.50; wait; fov 58; sensitivity 3.25; wait; sensitivity 4; wait; restoresensitivity; restorefov\"\n");
Con_Printf ("Extended aliases initialized\n");
// Baker 3.70 - End Alias injection point
} else {
Con_Printf ("Automatic aliases disabled\n");
}
}
#endif
/*
===============
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
===============
*/
static void Cmd_StuffCmds_f (void)
{
int i, j;
int s;
char *text, *build, c;
if (Cmd_Argc () != 1)
{
Con_Printf ("stuffcmds : execute command line parameters\n");
return;
}
#ifdef PROQUAKE_EXTENSION
// Baker 3.67 - Inject commonly used aliases
if (cls.state != ca_dedicated)
Cmd_Baker_Inject_Aliases();
#endif
// 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 += strlen (com_argv[i]) + 1;
}
if (!s)
return;
text = Z_Malloc (s+1);
text[0] = 0;
for (i=1 ; i<com_argc ; i++)
{
if (!com_argv[i])
continue; // NEXTSTEP nulls out -NXHost
strcat (text,com_argv[i]); // Dynamic string: no strlcat required
if (i != com_argc-1)
strcat (text, " "); // Dynamic string: no strlcat required
}
// pull out the commands
build = Z_Malloc (s+1);
build[0] = 0;
for (i=0 ; i<s-1 ; i++)
{
if (text[i] == '+')
{
i++;
for (j=i ; (text[j] != '+') && (text[j] != '-') && (text[j] != 0) ; j++)
;
c = text[j];
text[j] = 0;
strcat (build, text+i); // Dynamic string: no strlcat required
strcat (build, "\n"); // Dynamic string: no strlcat required
text[j] = c;
i = j-1;
}
}
if (build[0])
Cbuf_InsertText (build);
Z_Free (text);
Z_Free (build);
}
/*
===============
Cmd_Exec_f
===============
*/
static void Cmd_Exec_f (void)
{
char *f;
int mark;
char name[MAX_OSPATH];
if (Cmd_Argc () != 2)
{
Con_Printf ("exec <filename> : execute a script file\n");
return;
}
strlcpy (name, Cmd_Argv(1), sizeof(name));
mark = Hunk_LowMark ();
#ifdef FLASH_FILE_SYSTEM
as3ReadFileSharedObject(va("%s/%s", com_gamedir, Cmd_Argv(1)));//config.cfg is stored in the flash shared objects
#endif
if (!(f = (char *)COM_LoadHunkFile (name))) {
char *p;
p = COM_SkipPath (name);
if (!strchr(p, '.'))
{ // no extension, so try the default (.cfg)
strlcat (name, ".cfg", sizeof(name));
f = (char *)COM_LoadHunkFile (name);
}
if (!f) {
Con_Printf ("couldn't exec %s\n", name);
return;
}
}
#ifdef MACOSX
{
// Baker: this replaces carriage return characters with linefeeds
char * myData = f;
while (*myData != 0x00) {
if (*myData == 0x0D)
*myData = 0x0A;
myData++;
}
}
#endif // Only Macs need to do this; I don't believe Linux does
Con_Printf ("execing %s\n",name);
Cbuf_InsertText (f);
Hunk_FreeToLowMark (mark);
}
/*
("%s/%s", host_parms.basedir, Cmd_Argv(1)));
===============
Cmd_Echo_f
Just prints the rest of the line to the console
===============
*/
static 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 -- johnfitz -- rewritten
Creates a new command that executes a command string (possibly ; seperated)
===============
*/
static void Cmd_Alias_f (void)
{
cmdalias_t *a;
char cmd[1024];
int i, c;
char *s;
switch (Cmd_Argc())
{
case 1: //list all aliases
for (a = cmd_alias, i = 0; a; a=a->next, i++)
Con_SafePrintf (" %s: %s", a->name, a->value);
if (i)
Con_SafePrintf ("%i alias command(s)\n", i);
else
Con_SafePrintf ("no alias commands found\n");
break;
case 2: //output current alias string
for (a = cmd_alias ; a ; a=a->next)
if (!strcmp(Cmd_Argv(1), a->name))
Con_Printf (" %s: %s", a->name, a->value);
break;
default: //set alias string
s = Cmd_Argv(1);
if (strlen(s) >= MAX_ALIAS_NAME)
{
Con_Printf ("Alias name is too long\n");
return;
}
// if the alias allready exists, reuse it
for (a = cmd_alias ; a ; a=a->next)
{
if (!strcmp(s, a->name))
{
Z_Free (a->value);
break;
}
}
if (!a)
{
a = Z_Malloc (sizeof(cmdalias_t));
a->next = cmd_alias;
cmd_alias = a;
}
strcpy (a->name, s);
// 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++)
{
strlcat (cmd, Cmd_Argv(i), sizeof(cmd));
if (i != c)
strlcat (cmd, " ", sizeof(cmd));
}
strlcat (cmd, "\n", sizeof(cmd));
a->value = CopyString (cmd);
break;
}
}
/*
===============
Cmd_Unalias_f -- johnfitz
===============
*/
static void Cmd_Unalias_f (void)
{
cmdalias_t *a, *prev;
switch (Cmd_Argc())
{
default:
case 1:
Con_Printf("unalias <name> : delete alias\n");
break;
case 2:
for (prev = a = cmd_alias; a; a = a->next)
{
if (!strcmp(Cmd_Argv(1), a->name))
{
prev->next = a->next;
Z_Free (a->value);
Z_Free (a);
prev = a;
return;
}
prev = a;
}
break;
}
}
/*
===============
Cmd_Unaliasall_f -- johnfitz
===============
*/
static void Cmd_Unaliasall_f (void)
{
cmdalias_t *blah;
while (cmd_alias)
{
blah = cmd_alias->next;
Z_Free(cmd_alias->value);
Z_Free(cmd_alias);
cmd_alias = blah;
}
}
/*
=============================================================================
COMMAND EXECUTION
=============================================================================
*/
typedef struct cmd_function_s
{
struct cmd_function_s *next;
char *name;
xcommand_t function;
} cmd_function_t;
static cmd_function_t *cmd_functions; // possible commands to execute
#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_source_t cmd_source;
#ifdef PROQUAKE_EXTENSION
void Mat_Init (void); // JPG
#endif
// Baker 3.83 - CMDLINE
/*
=============
Cmd_Cmdline_f
=============
*/
extern cvar_t cmdline;
void Cmd_Cmdline_f (void)
{
Con_Printf ("Your command line: %s\n", cmdline.string);
}
/*
============
Cmd_Argc
============
*/
int Cmd_Argc (void)
{
return cmd_argc;
}
/*
============
Cmd_Argv
============
*/
char *Cmd_Argv (int arg)
{
if ( (unsigned)arg >= cmd_argc )
return cmd_null_string;
return cmd_argv[arg];
}
/*
============
Cmd_Args
============
*/
char *Cmd_Args (void)
{
return cmd_args;
}
/*
============
Cmd_TokenizeString
Parses the given string into command line tokens.
============
*/
void Cmd_TokenizeString (char *text)
{
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 = NULL;
while (1)
{
// skip whitespace up to a /n
while (*text && *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 = text;
if (!(text = COM_Parse (text)))
return;
if (cmd_argc < MAX_ARGS)
{
cmd_argv[cmd_argc] = Z_Malloc (strlen(com_token)+1);
strcpy (cmd_argv[cmd_argc], com_token);
cmd_argc++;
}
}
}
/*
============
Cmd_AddCommand
============
*/
void Cmd_AddCommand (char *cmd_name, xcommand_t function)
{
cmd_function_t *cmd;
cmd_function_t *cursor,*prev; //Baker 3.75 - from Fitz johnfitz -- sorted list insert
if (host_initialized) // because hunk allocation would get stomped
Sys_Error ("Cmd_AddCommand after host_initialized");
// 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;
}
// fail if the command already exists
for (cmd=cmd_functions ; cmd ; cmd=cmd->next)
{
if (!strcmp (cmd_name, cmd->name))
{
Con_Printf ("Cmd_AddCommand: %s already defined\n", cmd_name);
return;
}
}
cmd = Hunk_Alloc (sizeof(cmd_function_t));
cmd->name = cmd_name;
cmd->function = function;
//johnfitz -- insert each entry in alphabetical order
if (cmd_functions == NULL || strcmp(cmd->name, cmd_functions->name) < 0) //insert at front
{
cmd->next = cmd_functions;
cmd_functions = cmd;
}
else //insert later
{
prev = cmd_functions;
cursor = cmd_functions->next;
while ((cursor != NULL) && (strcmp(cmd->name, cursor->name) > 0))
{
prev = cursor;
cursor = cursor->next;
}
cmd->next = prev->next;
prev->next = cmd;
}
//johnfitz
}
/*
============
Cmd_Exists
============
*/
qboolean Cmd_Exists (char *cmd_name)
{
cmd_function_t *cmd;
for (cmd=cmd_functions ; cmd ; cmd=cmd->next)
{
if (!strcmp (cmd_name,cmd->name))
return true;
}
return false;
}
/*
============
Cmd_CompleteCommand
============
*/
// JPG 1.05 - completely rewrote this; includes aliases
char *Cmd_CompleteCommand (char *partial)
{
cmd_function_t *cmd;
char *best = "~";
char *least = "~";
cmdalias_t *alias;
for (cmd=cmd_functions ; cmd ; cmd=cmd->next)
{
if (strcmp(cmd->name, partial) >= 0 && strcmp(best, cmd->name) > 0)
best = cmd->name;
if (strcmp(cmd->name, least) < 0)
least = cmd->name;
}
for (alias = cmd_alias ; alias ; alias = alias->next)
{
if (strcmp(alias->name, partial) >= 0 && strcmp(best, alias->name) > 0)
best = alias->name;
if (strcmp(alias->name, least) < 0)
least = alias->name;
}
if (best[0] == '~')
return least;
return best;
}
/*
============
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, cmd_source_t src)
{
cmd_function_t *cmd;
cmdalias_t *a;
// Con_Printf("Cmd_ExecuteString: %s \n", text);
cmd_source = src;
Cmd_TokenizeString (text);
// execute the command line
if (!Cmd_Argc())
return; // no tokens
// check functions
for (cmd=cmd_functions ; cmd ; cmd=cmd->next)
{
if (!strcasecmp (cmd_argv[0],cmd->name))
{
cmd->function ();
return;
}
}
// check alias
for (a=cmd_alias ; a ; a=a->next)
{
if (!strcasecmp (cmd_argv[0], a->name))
{
Cbuf_InsertText (a->value);
return;
}
}
// check cvars
if (!Cvar_Command ())
Con_Printf ("Unknown command \"%s\"\n", Cmd_Argv(0));
}
#ifdef PROQUAKE_EXTENSION
// JPG - added these for %r formatting
extern cvar_t pq_needrl;
extern cvar_t pq_haverl;
extern cvar_t pq_needrox;
// JPG - added these for %p formatting
extern cvar_t pq_quad;
extern cvar_t pq_pent;
extern cvar_t pq_ring;
// JPG 3.00 - %w formatting
extern cvar_t pq_weapons;
extern cvar_t pq_noweapons;
#endif
/*
=====================
Cmd_ForwardToServer_f
Sends the entire command line over to the server
=====================
*/
void Cmd_ForwardToServer_f (void)
{
#ifdef PROQUAKE_EXTENSION
//from ProQuake --start
char *src, *dst, buff[128]; // JPG - used for say/say_team formatting
int minutes, seconds, match_time; // JPG - used for %t
//from ProQuake --end
#endif
if (cls.state != ca_connected)
{
Con_Printf ("Can't \"%s\", not connected\n", Cmd_Argv(0));
return;
}
if (cls.demoplayback)
return; // not really connected
MSG_WriteByte (&cls.message, clc_stringcmd);
#ifdef PROQUAKE_EXTENSION
//----------------------------------------------------------------------
// JPG - handle say separately for formatting--start
if ((!strcasecmp(Cmd_Argv(0), "say") || !strcasecmp(Cmd_Argv(0), "say_team")) && Cmd_Argc() > 1)
{
SZ_Print (&cls.message, Cmd_Argv(0));
SZ_Print (&cls.message, " ");
src = Cmd_Args();
dst = buff;
while (*src && dst - buff < 100)
{
if (*src == '%')
{
switch (*++src)
{
case 'h':
dst += sprintf(dst, "%d", cl.stats[STAT_HEALTH]);
break;
case 'a':
dst += sprintf(dst, "%d", cl.stats[STAT_ARMOR]);
break;
case 'r':
if (cl.stats[STAT_HEALTH] > 0 && (cl.items & IT_ROCKET_LAUNCHER))
{
if (cl.stats[STAT_ROCKETS] < 5)
dst += sprintf(dst, "%s", pq_needrox.string);
else
dst += sprintf(dst, "%s", pq_haverl.string);
}
else
dst += sprintf(dst, "%s", pq_needrl.string);
break;
case 'l':
dst += sprintf(dst, "%s", LOC_GetLocation(cl_entities[cl.viewentity].origin));
break;
case 'd':
dst += sprintf(dst, "%s", LOC_GetLocation(cl.death_location));
break;
case 'c':
dst += sprintf(dst, "%d", cl.stats[STAT_CELLS]);
break;
case 'x':
dst += sprintf(dst, "%d", cl.stats[STAT_ROCKETS]);
break;
case 'p':
if (cl.stats[STAT_HEALTH] > 0)
{
if (cl.items & IT_QUAD)
{
dst += sprintf(dst, "%s", pq_quad.string);
if (cl.items & (IT_INVULNERABILITY | IT_INVISIBILITY))
*dst++ = ',';
}
if (cl.items & IT_INVULNERABILITY)
{
dst += sprintf(dst, "%s", pq_pent.string);
if (cl.items & IT_INVISIBILITY)
*dst++ = ',';
}
if (cl.items & IT_INVISIBILITY)
dst += sprintf(dst, "%s", pq_ring.string);
}
break;
case 'w': // JPG 3.00
{
int first = 1;
int item;
char *ch = pq_weapons.string;
if (cl.stats[STAT_HEALTH] > 0)
{
for (item = IT_SUPER_SHOTGUN ; item <= IT_LIGHTNING ; item *= 2)
{
if (*ch != ':' && (cl.items & item))
{
if (!first)
*dst++ = ',';
first = 0;
while (*ch && *ch != ':')
*dst++ = *ch++;
}
while (*ch && *ch != ':')
*ch++;
if (*ch)
*ch++;
if (!*ch)
break;
}
}
if (first)
dst += sprintf(dst, "%s", pq_noweapons.string);
}
break;
case '%':
*dst++ = '%';
break;
case 't':
if ((cl.minutes || cl.seconds) && cl.seconds < 128)
{
if (cl.match_pause_time)
match_time = ceil(60.0 * cl.minutes + cl.seconds - (cl.match_pause_time - cl.last_match_time));
else
match_time = ceil(60.0 * cl.minutes + cl.seconds - (cl.time - cl.last_match_time));
minutes = match_time / 60;
seconds = match_time - 60 * minutes;
}
else
{
minutes = cl.time / 60;
seconds = cl.time - 60 * minutes;
minutes &= 511;
}
dst += sprintf(dst, "%d:%02d", minutes, seconds);
break;
default:
*dst++ = '%';
*dst++ = *src;
break;
}
if (*src)
src++;
}
else