自学教程：C++ Cmd_RemoveCommand函数代码示例

/*================FS_ShutdownFrees all resources and closes all files================*/void FS_Shutdown( void ) {	searchpath_t	*p, *next;	int	i;	for(i = 0; i < MAX_FILE_HANDLES; i++) {		if (fsh[i].fileSize) {			FS_FCloseFile(i);		}	}	// free everything	for ( p = fs_searchpaths ; p ; p = next ) {		next = p->next;		if ( p->pack ) {			unzClose(p->pack->handle);			Z_Free( p->pack->buildBuffer );			Z_Free( p->pack );		}		if ( p->dir ) {			Z_Free( p->dir );		}		Z_Free( p );	}	// any FS_ calls will now be an error until reinitialized	fs_searchpaths = NULL;	Cmd_RemoveCommand( "path" );	Cmd_RemoveCommand( "dir" );	Cmd_RemoveCommand( "fdir" );	Cmd_RemoveCommand( "touchFile" );	initialized = qfalse;}

/** * @brief Closing actions for alien interests-subsystem */void INT_Shutdown (void){#ifdef DEBUG	Cmd_RemoveCommand("debug_interestlist");	Cmd_RemoveCommand("debug_interestset");#endif}

void S_Shutdown(void){	int		i;	sfx_t	*sfx;	if (!sound_started)		return;	SNDDMA_Shutdown();	sound_started = 0;	Cmd_RemoveCommand("play");	Cmd_RemoveCommand("stopsound");	Cmd_RemoveCommand("soundlist");	Cmd_RemoveCommand("soundinfo");	// free all sounds	for (i=0, sfx=known_sfx ; i < num_sfx ; i++,sfx++)	{		if (!sfx->name[0])			continue;		memset (sfx, 0, sizeof(*sfx));	}	num_sfx = 0;}

void Com_ShutdownZoneMemory(void){	assert(s_Initialized);	// Remove commands	Cmd_RemoveCommand("zone_stats");	Cmd_RemoveCommand("zone_details");	Cmd_RemoveCommand("zone_memmap");	if (s_Stats.m_CountAlloc)	{		// Free all memory//		CM_ReleaseVisData();		Z_TagFree(TAG_ALL);	}		// Clear some globals	memset(&s_Stats, 0, sizeof(s_Stats));	memset(s_FreeOverflow, 0, sizeof(s_FreeOverflow));	s_LastOverflowIndex = 0;	s_LinkBase = NULL;	// Free the pool#ifndef _GAMECUBE	GlobalFree(s_PoolBase);	CloseHandle(s_Mutex);#endif	s_PoolBase = NULL;	s_Initialized = false;}

voidIN_Shutdown(void){	Cmd_RemoveCommand("force_centerview");	Cmd_RemoveCommand("+mlook");	Cmd_RemoveCommand("-mlook");	Com_Printf("Shutting down input./n");#if SDL_VERSION_ATLEAST(2, 0, 0)	IN_Haptic_Shutdown();	if (controller)	{		back_button_id = -1;		SDL_GameControllerClose(controller);		controller  = NULL;	}	if (joystick)	{		SDL_JoystickClose(joystick);		joystick = NULL;	}#endif}

/** * @sa S_Init * @sa S_Restart_f */void S_Shutdown (void){    if (!s_env.initialized)        return;    M_Shutdown();    S_Stop();    Mix_AllocateChannels(0);    S_FreeSamples();    Mix_CloseAudio();    if (SDL_WasInit(SDL_INIT_EVERYTHING) == SDL_INIT_AUDIO)        SDL_Quit();    else        SDL_QuitSubSystem(SDL_INIT_AUDIO);    Mem_DeletePool(cl_soundSysPool);    Cmd_RemoveCommand("snd_play");    Cmd_RemoveCommand("snd_restart");#if COMPARE_VERSION(1, 2, 10)    Mix_Quit();#endif    s_env.initialized = false;}

void S_Shutdown(void){	if (!sound_started)		return;	Cmd_RemoveCommand("play");	Cmd_RemoveCommand("stopsound");	Cmd_RemoveCommand("soundlist");	Cmd_RemoveCommand("soundinfo");	S_FreeAllSounds();#ifdef USE_OPENAL	if(alSound)	{		ALSnd_Shutdown();		alSound = false;	}	else#endif	{		SNDDMA_Shutdown();	}	sound_started = false;}

/** * @brief Closing operations for installations subsystem */void INS_Shutdown (void){	LIST_Delete(&ccs.installations);#ifdef DEBUG	Cmd_RemoveCommand("debug_listinstallation");	Cmd_RemoveCommand("debug_finishinstallation");#endif}

/** Memory_ShutdownCommands*/void Memory_ShutdownCommands( void ){	if( !commands_initialized )		return;	Cmd_RemoveCommand( "memlist" );	Cmd_RemoveCommand( "memstats" );}

voidFS_Shutdown(void){	int i;	fsHandle_t *handle;	fsSearchPath_t *next;	fsPack_t *pack;	/* Unregister commands. */	Cmd_RemoveCommand("dir");	Cmd_RemoveCommand("link");	Cmd_RemoveCommand("path");	/* Close all files. */	for (i = 0, handle = fs_handles; i < MAX_HANDLES; i++, handle++)	{		if (handle->file != NULL)		{			fclose(handle->file);		}#ifdef ZIP		if (handle->zip != NULL)		{			unzCloseCurrentFile(handle->zip);			unzClose(handle->zip);		}#endif	}	/* Free the search paths. */	while (fs_searchPaths != NULL)	{		if (fs_searchPaths->pack != NULL)		{			pack = fs_searchPaths->pack;			if (pack->pak != NULL)			{				fclose(pack->pak);			}#ifdef ZIP			if (pack->pk3 != NULL)			{				unzClose(pack->pk3);			}#endif			Z_Free(pack->files);			Z_Free(pack);		}		next = fs_searchPaths->next;		Z_Free(fs_searchPaths);		fs_searchPaths = next;	}}

/** * @brief Reset and free the UI data hunk * @note Even called in case of an error when CL_Shutdown was called - maybe even * before CL_InitLocal (and thus UI_Init) was called * @sa CL_Shutdown * @sa UI_Init */void UI_Shutdown (void){	/* MN is not yet initialized */	if (ui_global.adata == nullptr)		return;	const uiBehaviour_t* confunc = UI_GetNodeBehaviour("confunc");	/* remove all confunc commands */	uiNode_t** nodes[] = {ui_global.windows, ui_global.components};	for (int nodeType = 0; nodeType < 2; ++nodeType) {		for (int i = 0; i < ui_global.numWindows; i++) {			uiNode_t* node = nodes[nodeType][i];			while (node) {				/* remove the command */				if (node->behaviour == confunc) {					/* many nodes to one command is allowed */					if (Cmd_Exists(node->name)) {						Cmd_RemoveCommand(node->name);					}				}				/* recursive next */				if (node->firstChild != nullptr) {					node = node->firstChild;					continue;				}				while (node) {					if (node->next != nullptr) {						node = node->next;						break;					}					node = node->parent;				}			}		}	}	UI_ShutdownLua();	UI_FontShutdown();	UI_ResetInput();	UI_ResetTimers();#ifdef DEBUG	Cmd_RemoveCommand("debug_uimemory");#endif	Cmd_RemoveCommand("ui_restart");	Mem_Free(ui_global.adata);	OBJZERO(ui_global);	/* release pools */	Mem_FreePool(ui_sysPool);	Mem_FreePool(ui_dynStringPool);	Mem_FreePool(ui_dynPool);	ui_sysPool = nullptr;	ui_dynStringPool = nullptr;	ui_dynPool = nullptr;}

////-----------/// FF_Shutdown//---------------//	Shut force feedback system down and free resources.////	Assumptions://	*	Always called if FF_Init returns qfalse. ALWAYS. (Or memory leaks occur)//	*	Never called twice in succession. (always in response to previous assumption)////	Parameters://		None////	Returns://		None//void FF_Shutdown(void){#ifdef FF_CONSOLECOMMAND	Cmd_RemoveCommand( "ff_stopall" );	Cmd_RemoveCommand( "ff_info" );#endif	gFFSystem.Shutdown();}

/* * Cl_ShutdownKeys */void Cl_ShutdownKeys(void) {	Cl_WriteHistory();	Cmd_RemoveCommand("bind");	Cmd_RemoveCommand("unbind");	Cmd_RemoveCommand("unbind_all");	Cmd_RemoveCommand("bind_list");}

/* * Shuts the backend down */voidIN_Shutdown(void){	Cmd_RemoveCommand("force_centerview");	Cmd_RemoveCommand("+mlook");	Cmd_RemoveCommand("-mlook");    Com_Printf("Shutting down input./n");}

/*===============GLimp_Shutdown===============*/void WIN_Shutdown( void ){	Cmd_RemoveCommand("modelist");	Cmd_RemoveCommand("minimize");	IN_Shutdown();	SDL_QuitSubSystem( SDL_INIT_VIDEO );	screen = NULL;}

void NavEditShutdown(){#ifndef BUILD_SERVER	Cmd_RemoveCommand( "navedit" );	Cmd_RemoveCommand( "addcon" );	Cmd_RemoveCommand( "conSizeUp" );	Cmd_RemoveCommand( "conSizeDown" );	Cmd_RemoveCommand( "navtest" );#endif}

/*==================SV_RemoveOperatorCommands==================*/void SV_RemoveOperatorCommands( void ) {#if 0	// removing these won't let the server start again	Cmd_RemoveCommand ("heartbeat");	Cmd_RemoveCommand ("serverinfo");	Cmd_RemoveCommand ("systeminfo");	Cmd_RemoveCommand ("map_restart");	Cmd_RemoveCommand ("sectorlist");#endif}

void Key_Shutdown( void ){	if( !key_initialized )		return;	Cmd_RemoveCommand( "bind" );	Cmd_RemoveCommand( "unbind" );	Cmd_RemoveCommand( "unbindall" );	Cmd_RemoveCommand( "bindlist" );	Key_Unbindall();}

void S_Base_Shutdown( void ) {	if ( !s_soundStarted ) {		return;	}	SNDDMA_Shutdown();	s_soundStarted = 0;	Cmd_RemoveCommand("s_info");	Cmd_RemoveCommand("s_devlist");}

/*==================SV_RemoveOperatorCommands==================*/void SV_RemoveOperatorCommands( void ){	Cmd_RemoveCommand( "dumpuser" );	Cmd_RemoveCommand( "fieldinfo" );	Cmd_RemoveCommand( "heartbeat" );	Cmd_RemoveCommand( "killserver" );	Cmd_RemoveCommand( "map_restart" );	Cmd_RemoveCommand( "say" );	Cmd_RemoveCommand( "sectorlist" );	Cmd_RemoveCommand( "serverinfo" );	Cmd_RemoveCommand( "status" );	Cmd_RemoveCommand( "systeminfo" );}

void IN_Shutdown (void){	if (!mouse_avail)		return;	IN_Activate(false);	mouse_avail = false;	Cmd_RemoveCommand ("+mlook");	Cmd_RemoveCommand ("-mlook");	Cmd_RemoveCommand ("force_centerview");}

/*==========OGG_ShutdownShutdown the Ogg Vorbis subsystem.==========*/void OGG_Shutdown(void){	if (!ogg_started)		return;	Com_Printf("Shutting down Ogg Vorbis./n");	OGG_Stop();	/* Free the list of files. */	FS_FreeList(ogg_filelist, ogg_numfiles + 1);	/* Remove console commands. */	Cmd_RemoveCommand("ogg_list");	Cmd_RemoveCommand("ogg_pause");	Cmd_RemoveCommand("ogg_play");	Cmd_RemoveCommand("ogg_reinit");	Cmd_RemoveCommand("ogg_resume");	Cmd_RemoveCommand("ogg_seek");	Cmd_RemoveCommand("ogg_status");	Cmd_RemoveCommand("ogg_stop");	ogg_started = false;}

void GAME_SK_Shutdown (void){	Cmd_RemoveCommand("sk_start");	Cmd_RemoveCommand("sk_nextequip");	Cmd_RemoveCommand("sk_prevequip");	Cmd_RemoveCommand("game_go");	UI_ResetData(OPTION_DROPSHIPS);	UI_ResetData(OPTION_UFOS);	SV_Shutdown("Quitting server.", qfalse);	chrDisplayList.num = 0;}

/*============CL_RegisterButtonCommands============*/void CL_RegisterButtonCommands( const char *cmd_names ){	static char    *registered[ USERCMD_BUTTONS ] = { NULL };	char           name[ 100 ];	int            i;	for ( i = 0; i < USERCMD_BUTTONS; ++i )	{		if ( registered[ i ] )		{			Cmd_RemoveCommand( registered[ i ] );			registered[ i ][ 0 ] = '-';			Cmd_RemoveCommand( registered[ i ] );			Z_Free( registered[ i ] );			registered[ i ] = NULL;		}	}	for ( i = 0; cmd_names && i < USERCMD_BUTTONS; ++i )	{		char *term;		if ( *cmd_names == ',' )		{			// no command for this button - do the next one			++cmd_names;			continue;		}		term = strchr( cmd_names, ',' );		Q_snprintf( name + 1, sizeof( name ) - 1, "%.*s",		            (int)( term ? ( term - cmd_names ) : sizeof ( name ) - 1 ), cmd_names );		if ( Cmd_AddButtonCommand( name + 1, KB_BUTTONS + i ) )		{			// store a copy of the name, '+'-prefixed ready for unregistration			name[0] = '+';			registered[i] = CopyString( name );		}		cmd_names = term + !!term;	}	if ( cmd_names )	{		Com_Printf(_( "^1BUG: cgame: some button commands left unregistered (/"%s/")/n"), cmd_names );	}}

/*============CL_RegisterButtonCommandsGet a list of buttons from cgame (USERCMD_BUTTONS comma sperated names)and registers the appropriate commands.============*/void CL_RegisterButtonCommands( const char *cmd_names ){	char name[100];	int i;	for ( i = 0; i < USERCMD_BUTTONS; ++i )	{		if ( registeredButtonCommands[ i ] )		{			Cmd_RemoveCommand( registeredButtonCommands[ i ] );			registeredButtonCommands[ i ][ 0 ] = '-';			Cmd_RemoveCommand( registeredButtonCommands[ i ] );			Z_Free( registeredButtonCommands[ i ] );			registeredButtonCommands[ i ] = nullptr;		}	}	for ( i = 0; cmd_names && i < USERCMD_BUTTONS; ++i )	{		const char *term;		if ( *cmd_names == ',' )		{			// no command for this button - do the next one			++cmd_names;			continue;		}		term = strchr( cmd_names, ',' );		Q_snprintf( name + 1, sizeof( name ) - 1, "%.*s",		            (int)( term ? ( term - cmd_names ) : sizeof ( name ) - 1 ), cmd_names );		name[0] = '-';		Cmd_AddCommand( name, IN_BuiltinButtonCommand );		name[0] = '+';		Cmd_AddCommand( name, IN_BuiltinButtonCommand );		// store a copy of the name, '+'-prefixed ready for unregistration		registeredButtonCommands[i] = CopyString( name );		cmd_names = term + !!term;	}	if ( cmd_names )	{		Com_Printf( S_WARNING "cgame: some button commands left unregistered (/"%s/")", cmd_names );	}}

void S_Shutdown(){	if (si.Shutdown)		si.Shutdown();	Com_Memset( &si, 0, sizeof(si) );	Cmd_RemoveCommand( "play" );	Cmd_RemoveCommand( "music" );	Cmd_RemoveCommand( "s_list" );	Cmd_RemoveCommand( "s_stop" );	Cmd_RemoveCommand( "s_info" );	S_CodecShutdown();}

void S_Shutdown( void ) {	if ( !s_soundStarted ) {		return;	}	SNDDMA_Shutdown();	s_soundStarted = 0;    Cmd_RemoveCommand("play");	Cmd_RemoveCommand("music");	Cmd_RemoveCommand("stopsound");	Cmd_RemoveCommand("soundlist");	Cmd_RemoveCommand("soundinfo");}