C++ COM_Argv函數代碼示例

/** Toggles a console variable. Useful for on/off values.
  *
  * This works on on/off, yes/no values only
  */
static void COM_Toggle_f(void)
{
	consvar_t *cvar;

	if (COM_Argc() != 2)
	{
		CONS_Printf("Toggle <cvar_name>\n"
			"Toggle the value of a cvar\n");
		return;
	}
	cvar = CV_FindVar(COM_Argv(1));
	if (!cvar)
	{
		CONS_Printf("%s is not a cvar\n",COM_Argv(1));
		return;
	}

	if (!(cvar->PossibleValue == CV_YesNo || cvar->PossibleValue == CV_OnOff))
	{
		CONS_Printf("%s is not a boolean value\n",COM_Argv(1));
		return;
	}

	// netcvar don't change imediately
	cvar->flags |= CV_SHOWMODIFONETIME;
	CV_AddValue(cvar, +1);
}

/** Executes a script file.
  */
static void COM_Exec_f(void)
{
	size_t length;
	UINT8 *buf = NULL;

	if (COM_Argc() < 2 || COM_Argc() > 3)
	{
		CONS_Printf("exec <filename> : run a script file\n");
		return;
	}

	// load file
	length = FIL_ReadFile(COM_Argv(1), &buf);

	if (!buf)
	{
		if (!COM_CheckParm("-noerror"))
			CONS_Printf("couldn't execute file %s\n", COM_Argv(1));
		return;
	}

	if (!COM_CheckParm("-silent"))
		CONS_Printf("executing %s\n", COM_Argv(1));

	// insert text file into the command buffer
	COM_BufAddText((char *)buf);
	COM_BufAddText("\n");

	// free buffer
	Z_Free(buf);
}

/*
 * Adds command line parameters as script statements Commands lead with
 * a +, and continue until another +
 *
 * Set commands are added early, so they are guaranteed to be set before
 * the client and server initialize for the first time.
 *
 * Other commands are added late, after all initialization is complete.
 */
void
Cbuf_AddEarlyCommands(qboolean clear)
{
    int i;
    char *s;

    for (i = 0; i < COM_Argc(); i++)
    {
        s = COM_Argv(i);

        if (strcmp(s, "+set"))
        {
            continue;
        }

        Cbuf_AddText(va("set %s %s\n", COM_Argv(i + 1), COM_Argv(i + 2)));

        if (clear)
        {
            COM_ClearArgv(i);
            COM_ClearArgv(i + 1);
            COM_ClearArgv(i + 2);
        }

        i += 2;
    }
}

void Command_Charability_f(void)
{
	if (gamestate != GS_LEVEL || demoplayback)
	{
		CONS_Printf("%s", text[MUSTBEINLEVEL]);
		return;
	}

	G_ModifyGame();

	if (COM_Argc() < 3)
	{
		CONS_Printf("charability <1/2> <value>\n");
		return;
	}

	if (netgame || multiplayer)
	{
		CONS_Printf("%s", text[CANTUSEMULTIPLAYER]);
		return;
	}

	if (atoi(COM_Argv(1)) == 1)
		players[consoleplayer].charability = atoi(COM_Argv(2));
	else if (atoi(COM_Argv(1)) == 2)
		players[consoleplayer].charability2 = atoi(COM_Argv(2));
	else
		CONS_Printf("charability <1/2> <value>\n");
}

/** Creates a command name that replaces another command.
  */
static void COM_Alias_f(void)
{
	cmdalias_t *a;
	char cmd[1024];
	size_t i, c;

	if (COM_Argc() < 3)
	{
		CONS_Printf("alias <name> <command>\n");
		return;
	}

	a = ZZ_Alloc(sizeof *a);
	a->next = com_alias;
	com_alias = a;

	a->name = Z_StrDup(COM_Argv(1));

	// copy the rest of the command line
	cmd[0] = 0; // start out with a null string
	c = COM_Argc();
	for (i = 2; i < c; i++)
	{
		strcat(cmd, COM_Argv(i));
		if (i != c)
			strcat(cmd, " ");
	}
	strcat(cmd, "\n");

	a->value = Z_StrDup(cmd);
}

/*
=================
Cbuf_AddLateCommands

Adds command line parameters as script statements
Commands lead with a + and continue until another + or -
quake +vid_ref gl +map amlev1

Returns true if any late commands were added, which
will keep the demoloop from immediately starting
=================
*/
qboolean Cbuf_AddLateCommands (void)
{
	int		i, j;
	int		s;
	char	*text, *build, c;
	int		argc;
	qboolean	ret;

// build the combined string to parse from
	s = 0;
	argc = COM_Argc();
	for (i=1 ; i<argc ; i++)
	{
		s += strlen (COM_Argv(i)) + 1;
	}
	if (!s)
		return false;
		
	text = (char *) Z_Malloc (s+1);
	text[0] = 0;
	for (i=1 ; i<argc ; i++)
	{
		strcat (text,COM_Argv(i));
		if (i != argc-1)
			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] != '+') && (text[j] != '-') && (text[j] != 0) ; j++)
				;

			c = text[j];
			text[j] = 0;
			
			strcat (build, text+i);
			strcat (build, "\n");
			text[j] = c;
			i = j-1;
		}
	}

	ret = (build[0] != 0);
	if (ret)
		Cbuf_AddText (build);
	
	Z_Free (text);
	Z_Free (build);

	return ret;
}

/*
===============
Cbuf_AddEarlyCommands

Set commands are added early, so they are guaranteed to be set before
the client and server initialize for the first time.

Other commands are added late, after all initialization is complete.
===============
*/
void Cbuf_AddEarlyCommands (void)
{
	int		i;

	for (i=0 ; i<COM_Argc()-2 ; i++)
	{
		if (Q_stricmp(COM_Argv(i), "+set"))
			continue;
		Cbuf_AddText (va("set %s %s\n", COM_Argv(i+1), COM_Argv(i+2)));
		i+=2;
	}
}

static void setcontrol(INT32 (*gc)[2])
{
	INT32 numctrl;
	const char *namectrl;
	INT32 keynum, keynum1, keynum2;
	INT32 player = ((void*)gc == (void*)&gamecontrolbis ? 1 : 0);
	boolean nestedoverride = false;

	namectrl = COM_Argv(1);
	for (numctrl = 0; numctrl < num_gamecontrols && stricmp(namectrl, gamecontrolname[numctrl]);
		numctrl++)
		;
	if (numctrl == num_gamecontrols)
	{
		CONS_Printf(M_GetText("Control '%s' unknown\n"), namectrl);
		return;
	}
	keynum1 = G_KeyStringtoNum(COM_Argv(2));
	keynum2 = G_KeyStringtoNum(COM_Argv(3));
	keynum = G_FilterKeyByVersion(numctrl, 0, player, &keynum1, &keynum2, &nestedoverride);

	if (keynum >= 0)
	{
		(void)G_CheckDoubleUsage(keynum, true);

		// if keynum was rejected, try it again with keynum2
		if (!keynum && keynum2)
		{
			keynum1 = keynum2; // push down keynum2
			keynum2 = 0;
			keynum = G_FilterKeyByVersion(numctrl, 0, player, &keynum1, &keynum2, &nestedoverride);
			if (keynum >= 0)
				(void)G_CheckDoubleUsage(keynum, true);
		}
	}

	if (keynum >= 0)
		gc[numctrl][0] = keynum;

	if (keynum2)
	{
		keynum = G_FilterKeyByVersion(numctrl, 1, player, &keynum1, &keynum2, &nestedoverride);
		if (keynum >= 0)
		{
			if (keynum != gc[numctrl][0])
				gc[numctrl][1] = keynum;
			else
				gc[numctrl][1] = 0;
		}
	}
	else
		gc[numctrl][1] = 0;
}

/** Parses a single line of text into arguments and tries to execute it.
 * The text can come from the command buffer, a remote client, or stdin.
 *
 * \param ptext A single line of text.
 */
static void COM_ExecuteString(char *ptext)
{
	xcommand_t *cmd;
	cmdalias_t *a;
	
	COM_TokenizeString(ptext);
	
	// execute the command line
	if (COM_Argc() == 0)
		return; // no tokens
	
	// check functions
	for (cmd = com_commands; cmd; cmd = cmd->next)
	{
		if (!stricmp(com_argv[0], cmd->name)) //case insensitive now that we have lower and uppercase!
		{
			cmd->function();
			return;
		}
	}
	
	// check aliases
	for (a = com_alias; a; a = a->next)
	{
		if (!stricmp(com_argv[0], a->name))
		{
			COM_BufInsertText(a->value);
			return;
		}
	}
	
	// check cvars
	if (!CV_Command() && con_destlines)
		CONS_Printf("Unknown command '%s'\n", COM_Argv(0));
}

void IN_Init (void)
{
#ifdef GLQUAKE
#ifdef WITH_EVDEV
	int i;
#endif
#endif

	Cvar_SetCurrentGroup (CVAR_GROUP_INPUT_MOUSE);
	Cvar_Register (&m_filter);
#ifndef _Soft_SVGA
	Cvar_Register (&_windowed_mouse);
#endif

	Cvar_SetCurrentGroup (CVAR_GROUP_INPUT_KEYBOARD);
	Cvar_Register (&cl_keypad);
	Cvar_ResetCurrentGroup ();

	if (!host_initialized)
	{
#ifdef GLQUAKE
		typedef enum { mt_none = 0, mt_dga, mt_normal, mt_evdev } mousetype_t;
		extern cvar_t in_mouse;
#ifdef WITH_EVDEV
		extern cvar_t in_mmt;
		extern cvar_t in_evdevice;
#endif /* !WITH_EVDEV */

		if (COM_CheckParm ("-nodga") || COM_CheckParm ("-nomdga"))
			Cvar_LatchedSetValue (&in_mouse, mt_normal);

#ifdef WITH_EVDEV
		if ((i = COM_CheckParm ("-mevdev")) && (i < COM_Argc() - 1)) {
			Cvar_LatchedSet (&in_evdevice, COM_Argv(i + 1));
			Cvar_LatchedSetValue (&in_mouse, mt_evdev);
		}

		if (COM_CheckParm ("-mmt"))
			Cvar_LatchedSetValue (&in_mmt, 1);
#endif /* !WITH_EVDEV */

		if (COM_CheckParm ("-nomouse"))
			Cvar_LatchedSetValue (&in_mouse, mt_none);

#ifdef WITH_EVDEV
		extern void IN_EvdevList_f(void);
		Cmd_AddCommand ("in_evdevlist", IN_EvdevList_f);
#endif /* !WITH_EVDEV */
#endif /* !GLQUAKE */

#ifdef WITH_KEYMAP
		IN_StartupKeymap();
#endif // WITH_KEYMAP
#ifdef GLQUAKE
		Cmd_AddCommand ("in_restart", IN_Restart_f);
#endif
	}

	IN_StartupMouse ();
}

void Command_Scale_f(void)
{
	INT32 scale = atoi(COM_Argv(1));

	if (!cv_debug)
	{
		CONS_Printf("%s", text[NEED_DEVMODE]);
		return;
	}

	if (netgame || multiplayer)
	{
		CONS_Printf("%s", text[SINGLEPLAYERONLY]);
		return;
	}

	if (!(scale >= 5 && scale <= 400)) //COM_Argv(1) will return a null string if they did not give a paramater, so...
	{
		CONS_Printf("SCALE <value> (5-400): Set player scale size.\n");
		return;
	}

	if (!players[consoleplayer].mo)
		return;

	players[consoleplayer].mo->destscale = (UINT16)scale;

	CONS_Printf("Scale set to %d\n", players[consoleplayer].mo->destscale);
}

void Command_Hurtme_f(void)
{
	if (gamestate != GS_LEVEL || demoplayback)
	{
		CONS_Printf("%s", text[MUSTBEINLEVEL]);
		return;
	}

	if (!cv_debug)
	{
		CONS_Printf("%s", text[NEED_DEVMODE]);
		return;
	}

	if (netgame || multiplayer)
	{
		CONS_Printf("%s", text[CANTUSEMULTIPLAYER]);
		return;
	}

	if (COM_Argc() < 2)
	{
		CONS_Printf("hurtme <damage>\n");
		return;
	}

	P_DamageMobj(players[consoleplayer].mo, NULL, NULL, atoi(COM_Argv(1)));
}

void PR2_Init(void)
{
	int p;
	int usedll;
	Cvar_Register(&sv_progtype);
	Cvar_Register(&sv_progsname);
#ifdef WITH_NQPROGS
	Cvar_Register(&sv_forcenqprogs);
#endif
#ifdef QVM_PROFILE
	Cvar_Register(&sv_enableprofile);
#endif

	p = COM_CheckParm ("-progtype");

	if (p && p < COM_Argc())
	{
		usedll = Q_atoi(COM_Argv(p + 1));

		if (usedll > 2)
			usedll = VM_NONE;
		Cvar_SetValue(&sv_progtype,usedll);
	}

	Cmd_AddCommand ("edict", ED2_PrintEdict_f);
	Cmd_AddCommand ("edicts", ED2_PrintEdicts);
	Cmd_AddCommand ("edictcount", ED_Count);
	Cmd_AddCommand ("profile", PR2_Profile_f);
	Cmd_AddCommand ("mod", PR2_GameConsoleCommand);

	memset(pr_newstrtbl, 0, sizeof(pr_newstrtbl));
}

void NET_InitClient(void)
{
	int port = PORT_CLIENT;
	int p;

	p = COM_CheckParm ("-clientport");
	if (p && p < COM_Argc()) {
		port = atoi(COM_Argv(p+1));
	}

	if (cls.socketip == INVALID_SOCKET)
		cls.socketip = UDP_OpenSocket (port);

	if (cls.socketip == INVALID_SOCKET)
		cls.socketip = UDP_OpenSocket (PORT_ANY); // any dynamic port

	if (cls.socketip == INVALID_SOCKET)
		Sys_Error ("Couldn't allocate client socket");

	// init the message buffer
	SZ_Init (&net_message, net_message_buffer, sizeof(net_message_buffer));

	// determine my name & address
	NET_GetLocalAddress (cls.socketip, &net_local_cl_ipadr);

	Com_Printf_State (PRINT_OK, "Client port Initialized\n");
}

/** Delays execution of the rest of the commands until the next frame.
  * Allows sequences of commands like "jump; fire; backward".
  */
static void COM_Wait_f(void)
{
	if (COM_Argc() > 1)
		com_wait = atoi(COM_Argv(1));
	else
		com_wait = 1; // 1 frame
}