C++ COM_Argc函数代码示例

/** 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);
}

/** 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);
}

void Command_CountMobjs_f(void)
{
	thinker_t *th;
	mobjtype_t i;
	INT32 count;

	if (gamestate != GS_LEVEL)
	{
		CONS_Printf(M_GetText("You must be in a level to use this.\n"));
		return;
	}

	if (COM_Argc() >= 2)
	{
		size_t j;
		for (j = 1; j < COM_Argc(); j++)
		{
			i = atoi(COM_Argv(j));
			if (i >= NUMMOBJTYPES)
			{
				CONS_Printf(M_GetText("Object number %d out of range (max %d).\n"), i, NUMMOBJTYPES-1);
				continue;
			}

			count = 0;

			for (th = thinkercap.next; th != &thinkercap; th = th->next)
			{
				if (th->function.acp1 != (actionf_p1)P_MobjThinker)
					continue;

				if (((mobj_t *)th)->type == i)
					count++;
			}

			CONS_Printf(M_GetText("There are %d objects of type %d currently in the level.\n"), count, i);
		}
		return;
	}

	CONS_Printf(M_GetText("Count of active objects in level:\n"));

	for (i = 0; i < NUMMOBJTYPES; i++)
	{
		count = 0;

		for (th = thinkercap.next; th != &thinkercap; th = th->next)
		{
			if (th->function.acp1 != (actionf_p1)P_MobjThinker)
				continue;

			if (((mobj_t *)th)->type == i)
				count++;
		}

		CONS_Printf(" * %d: %d\n", i, count);
	}
}

/*
 * 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 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 ();
}

/** 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);
}

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));
}

/** 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
}

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");
}

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)));
}

/** 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 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");
}

/*
=================
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;
}

/** Prints a line of text to the console.
  */
static void COM_Echo_f(void)
{
	size_t i;

	for (i = 1; i < COM_Argc(); i++)
		CONS_Printf("%s ", COM_Argv(i));
	CONS_Printf("\n");
}

//memsize is the recommended amount of memory to use for hunk
void Host_InitMemory (int memsize)
{
	int t;

	if (COM_CheckParm ("-minmemory"))
		memsize = MINIMUM_MEMORY;

	if ((t = COM_CheckParm ("-heapsize")) != 0 && t + 1 < COM_Argc())
		memsize = Q_atoi (COM_Argv(t + 1)) * 1024;

	if ((t = COM_CheckParm ("-mem")) != 0 && t + 1 < COM_Argc())
		memsize = Q_atoi (COM_Argv(t + 1)) * 1024 * 1024;

	if (memsize < MINIMUM_MEMORY)
		Sys_Error ("Only %4.1f megs of memory reported, can't execute game", memsize / (float)0x100000);

	host_memsize = memsize;
	host_membase = Q_malloc (host_memsize);
	Memory_Init (host_membase, host_memsize);
}