diff --git a/internal/foundry/foundry.go b/internal/foundry/foundry.go
index 46506c4..84ec60a 100644
--- a/internal/foundry/foundry.go
+++ b/internal/foundry/foundry.go
@@ -21,12 +21,11 @@ type Foundry struct {
 	isAuth bool
 
 	logger *slog.Logger
-	config requests.Config
 	ws     *webSocketUtil
 }
 
 func NewFoundry() *Foundry {
-	foundry := &Foundry{config: requests.Config{SessionID: ""}, isAuth: false, ws: NewWebSocketUtil()}
+	foundry := &Foundry{isAuth: false, ws: NewWebSocketUtil()}
 
 	// err := foundry.config.GetSessionId()
 	// if err != nil {
@@ -51,14 +50,14 @@ func (foundry *Foundry) checkAuthRespAnswer(r io.Reader, respLength int) error {
 }
 
 func (foundry *Foundry) Authenticate() error {
-	if foundry.config.SessionID == "" {
-		err := foundry.config.GetSessionId()
+	if foundry.ws.config.SessionID == "" {
+		err := foundry.ws.config.GetSessionId()
 		if err != nil {
 			return err
 		}
 	}
 
-	resp, err := foundry.config.PostAuthenticationData()
+	resp, err := foundry.ws.config.PostAuthenticationData()
 	if err != nil {
 		return err
 	}
@@ -73,9 +72,9 @@ func (foundry *Foundry) Authenticate() error {
 }
 
 func (foundry *Foundry) StartListen() error {
-	foundry.ws.channels = *types.InitWsChannels()
+	foundry.ws.readChan = *types.InitWsChannels()
 
-	wsChannels := &foundry.ws.channels
+	wsChannels := &foundry.ws.readChan
 	defer wsChannels.Close()
 	go foundry.ListenAndServeWS()
 
@@ -115,19 +114,19 @@ func (foundry *Foundry) ConnectToFoundry() error {
 	if foundry == nil {
 		return ErrorFoundryNotInit
 	}
-	ok, err := (*foundry).config.GetSessionToken()
+	ok, err := (*foundry).ws.config.GetSessionToken()
 	if err != nil {
 		return err
 	}
 
-	if (*foundry).config.Password != "" && !ok {
+	if (*foundry).ws.config.Password != "" && !ok {
 		err := (*foundry).Authenticate()
 		if err != nil {
 			return err
 		}
 	}
 
-	foundry.logger.Info("Successefully connected to Foundry", "host", foundry.config.Host)
+	foundry.logger.Info("Successefully connected to Foundry", "host", foundry.ws.config.Host)
 	return nil
 }
 
@@ -137,14 +136,14 @@ func (foundry *Foundry) ConnectToWebSocket() error {
 	}
 
 	query := url.Values{}
-	query.Add("session", foundry.config.SessionID)
+	query.Add("session", foundry.ws.config.SessionID)
 	query.Add("EIO", "4")
 	query.Add("transport", "websocket")
 
-	u := url.URL{Scheme: "ws", Host: foundry.config.Host, Path: fmt.Sprintf("%s/", requests.SocketPath), RawQuery: query.Encode()}
+	u := url.URL{Scheme: "ws", Host: foundry.ws.config.Host, Path: fmt.Sprintf("%s/", requests.SocketPath), RawQuery: query.Encode()}
 
 	wsHeader := http.Header{}
-	wsHeader.Set("Cookie", fmt.Sprintf("session=%s", foundry.config.SessionID))
+	wsHeader.Set("Cookie", fmt.Sprintf("session=%s", foundry.ws.config.SessionID))
 
 	wsConn, _, err := websocket.DefaultDialer.Dial(u.String(), wsHeader)
 	if err != nil {
@@ -173,15 +172,15 @@ func (foundry *Foundry) HandleWSRequest(msgType string) ([]byte, error) {
 }
 
 func (foundry *Foundry) HasSessionId() bool {
-	return foundry.config.SessionID != ""
+	return foundry.ws.config.SessionID != ""
 }
 
 func (foundry *Foundry) SetUpSessionId() error {
-	return foundry.config.GetSessionId()
+	return foundry.ws.config.GetSessionId()
 }
 
 func (foundry *Foundry) SetConfig(config *requests.Config) {
-	foundry.config = *config
+	foundry.ws.config = *config
 }
 
 func (foundry *Foundry) SetLogger(slogger *slog.Logger) {
diff --git a/internal/foundry/models/db/world.go b/internal/foundry/models/db/world.go
index 7e617d3..a4c12a7 100644
--- a/internal/foundry/models/db/world.go
+++ b/internal/foundry/models/db/world.go
@@ -34,7 +34,7 @@ func (m FoundryStateModel) InsertWorld(world *World, stateId int64) error {
 		VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9)
 		RETURNING id, created_at`
 
-	args := []any{stateId, world.TextId, world.Title, world.Description, world.System, world.System, world.CoreVersion, world.SystemVersion, world.PlayTime, world.NextSession}
+	args := []any{stateId, world.TextId, world.Title, world.Description, world.System, world.CoreVersion, world.SystemVersion, world.PlayTime, world.NextSession}
 
 	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
 	defer cancel()
diff --git a/internal/foundry/requests/config.go b/internal/foundry/requests/config.go
index 59737e7..9bccbc5 100644
--- a/internal/foundry/requests/config.go
+++ b/internal/foundry/requests/config.go
@@ -2,6 +2,7 @@ package requests
 
 import (
 	"errors"
+	"fmt"
 	"net/http"
 	"strings"
 
@@ -71,3 +72,16 @@ func (conf *Config) SetSessionTokenFromHeader(resp http.Header) (bool, error) {
 
 	return false, nil
 }
+
+func (conf *Config) GetRequestHeader() *http.Header {
+	header := http.Header{}
+	header.Set("Cookie", fmt.Sprintf("session=%s", conf.SessionID))
+	header.Set("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8")
+	header.Set("Connection", "keep-alive")
+	header.Set("Content-Type", "application/x-www-form-urlencoded")
+	header.Set("Host", conf.Host)
+	header.Set("Origin", fmt.Sprintf("http://%s", conf.Host))
+	header.Set("Referer", fmt.Sprintf("http://%s%s", conf.Host, AuthPath))
+
+	return &header
+}
diff --git a/internal/foundry/requests/post_requests.go b/internal/foundry/requests/post_requests.go
index dce15ab..f6ae878 100644
--- a/internal/foundry/requests/post_requests.go
+++ b/internal/foundry/requests/post_requests.go
@@ -17,17 +17,55 @@ func (conf *Config) PostAuthenticationData() (*http.Response, error) {
 		return nil, err
 	}
 
-	header := http.Header{}
-	header.Set("Cookie", fmt.Sprintf("session=%s", conf.SessionID))
-	header.Set("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8")
-	header.Set("Connection", "keep-alive")
+	header := conf.GetRequestHeader()
 	header.Set("Content-Length", fmt.Sprintf("%d", len(authData.Encode())))
-	header.Set("Content-Type", "application/x-www-form-urlencoded")
-	header.Set("Host", conf.Host)
-	header.Set("Origin", fmt.Sprintf("http://%s", conf.Host))
-	header.Set("Referer", fmt.Sprintf("http://%s%s", conf.Host, AuthPath))
 
-	req.Header = header
+	req.Header = header.Clone()
+
+	client := &http.Client{}
+	resp, err := client.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	return resp, nil
+}
+
+func (conf *Config) PostLaunchWorld(world string) (*http.Response, error) {
+	launchData := url.Values{}
+	launchData.Add("world", world)
+	launchData.Add("action", "launchWorld")
+
+	req, err := http.NewRequest("POST", fmt.Sprintf("http://%s%s", conf.Host, SetupPath), bytes.NewBuffer([]byte(launchData.Encode())))
+	if err != nil {
+		return nil, err
+	}
+
+	header := conf.GetRequestHeader()
+	header.Set("Content-Length", fmt.Sprintf("%d", len(launchData.Encode())))
+
+	req.Header = header.Clone()
+
+	client := &http.Client{}
+	resp, err := client.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	return resp, nil
+}
+
+func (conf *Config) PostReturnToSetup() (*http.Response, error) {
+	launchData := url.Values{}
+	launchData.Add("action", "shutdown")
+
+	req, err := http.NewRequest("POST", fmt.Sprintf("http://%s%s", conf.Host, JoinPath), bytes.NewBuffer([]byte(launchData.Encode())))
+	if err != nil {
+		return nil, err
+	}
+
+	header := conf.GetRequestHeader()
+	header.Set("Content-Length", fmt.Sprintf("%d", len(launchData.Encode())))
+
+	req.Header = header.Clone()
 
 	client := &http.Client{}
 	resp, err := client.Do(req)
diff --git a/internal/foundry/types/exchange_channels.go b/internal/foundry/types/exchange_channels.go
new file mode 100644
index 0000000..a2c7cf1
--- /dev/null
+++ b/internal/foundry/types/exchange_channels.go
@@ -0,0 +1,9 @@
+package types
+
+import "sync"
+
+type ExchangeChannels struct {
+	Msgs          map[int](chan []byte)
+	ProgressMsg   map[string](chan struct{})
+	ProgressMutex sync.Mutex
+}
diff --git a/internal/foundry/types/utils.go b/internal/foundry/types/utils.go
new file mode 100644
index 0000000..933ab26
--- /dev/null
+++ b/internal/foundry/types/utils.go
@@ -0,0 +1,88 @@
+package types
+
+import (
+	"errors"
+	"fmt"
+	"reflect"
+	"strings"
+)
+
+func findByTag(obj any, tag string) (int, error) {
+	structType := reflect.TypeOf(obj).Elem()
+	for i := 0; i < structType.NumField(); i++ {
+		fieldTags := structType.Field(i).Tag.Get("json")
+		if tag == strings.Split(fieldTags, ",")[0] {
+			return i, nil
+		}
+	}
+	return -1, fmt.Errorf("No such field: %s in obj", tag)
+}
+
+func setField(obj any, name string, value any) error {
+	structValue := reflect.ValueOf(obj).Elem()
+	idx, err := findByTag(obj, name)
+	if err != nil {
+		return err
+	}
+	structFieldValue := structValue.Field(idx)
+
+	if !structFieldValue.IsValid() {
+		return fmt.Errorf("No such field: %s in obj", name)
+	}
+
+	if !structFieldValue.CanSet() {
+		return fmt.Errorf("Cannot set %s field value", name)
+	}
+
+	structFieldType := structFieldValue.Type()
+	val := reflect.ValueOf(value)
+	if structFieldType != val.Type() {
+		return errors.New("Provided value type didn't match obj field type")
+	}
+
+	if value == nil {
+		structFieldValue.Set(reflect.Zero(structFieldType))
+	} else {
+		structFieldValue.Set(val)
+	}
+	return nil
+}
+
+func isPointer(obj any) bool {
+	iv := reflect.ValueOf(obj)
+	if !iv.IsValid() {
+		return false
+	}
+
+	return iv.Kind() == reflect.Pointer
+}
+
+func FillStruct(m map[string]any, obj any) error {
+	if !isPointer(obj) {
+		return errors.New("Passed obj is not pointer")
+	}
+
+	for k, v := range m {
+		if v == nil {
+			continue
+		}
+
+		err := setField(obj, k, v)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func Dereference(input any) any {
+	v := reflect.ValueOf(input)
+
+	// Check if the value is a pointer
+	if v.Kind() == reflect.Pointer {
+		// v.Elem() returns the value the pointer points to
+		return v.Elem().Interface()
+	}
+
+	return input
+}
diff --git a/internal/foundry/types/ws_action.go b/internal/foundry/types/ws_action.go
new file mode 100644
index 0000000..3ad8b14
--- /dev/null
+++ b/internal/foundry/types/ws_action.go
@@ -0,0 +1,72 @@
+package types
+
+import "fmt"
+
+const (
+	WsSessionType      = "session"
+	WsProgressType     = "progress"
+	WsUserActivityType = "userActivity"
+	WsShutdownType     = "shutdown"
+)
+
+var WsMsgActions = map[string]func() any{
+	"session":  func() any { return &WsSessionMsg{} },
+	"progress": func() any { return &WsProgressMsg{} },
+	// "userActivity": WsUserActivityCursor{},
+	"shutdown": func() any { return &WsShutdownMsg{} },
+}
+
+func GetWsMsgAction(dataType string) any {
+	if factory, ok := WsMsgActions[dataType]; ok {
+		return factory()
+	}
+	return nil
+}
+
+type WsSessionMsg struct {
+	SessionId string  `json:"sessionId"`
+	UserId    *string `json:"userId,omitempty"`
+}
+
+func (msg WsSessionMsg) Action() error {
+	fmt.Println("WsSessionMsg")
+	return nil
+}
+
+type WsProgressMsg struct {
+	Id         string  `json:"id"`
+	Message    string  `json:"message"`
+	Pct        float64 `json:"pct"`
+	HasChanged bool    `json:"hasChanged,omitempty"`
+	Act        string  `json:"action"`
+	Step       string  `json:"step"`
+}
+
+func (msg WsProgressMsg) Action() error {
+	fmt.Println("WsProgressMsg")
+	return nil
+}
+
+type WsUserActivityMsg struct {
+	Cursor WsUserActivityCursor `json:"cursor"`
+}
+
+type WsUserActivityCursor struct {
+	X int `json:"x"`
+	Y int `json:"y"`
+}
+
+func (msg WsUserActivityMsg) Action() error {
+	fmt.Println("WsUserActivityMsg")
+	return nil
+}
+
+type WsShutdownMsg struct {
+	World  string  `json:"world"`
+	UserId *string `json:"userId,omitempty"`
+}
+
+func (msg WsShutdownMsg) Action() error {
+	fmt.Println("WsShutdownMsg")
+	return nil
+}
diff --git a/internal/foundry/types/ws_channels.go b/internal/foundry/types/ws_channels.go
index b3b8072..11bb6b9 100644
--- a/internal/foundry/types/ws_channels.go
+++ b/internal/foundry/types/ws_channels.go
@@ -1,31 +1,31 @@
 package types
 
-type Channels struct {
+type ReadChannels struct {
 	done chan struct{}
 	msg  chan *WsMessage
 	err  chan error
 }
 
-func (channels Channels) Err() chan error {
+func (channels ReadChannels) Err() chan error {
 	return channels.err
 }
 
-func (channels Channels) Msg() chan *WsMessage {
+func (channels ReadChannels) Msg() chan *WsMessage {
 	return channels.msg
 }
 
-func (channels Channels) Done() chan struct{} {
+func (channels ReadChannels) Done() chan struct{} {
 	return channels.done
 }
 
-func (channels *Channels) Close() {
+func (channels *ReadChannels) Close() {
 	close(channels.done)
 	close(channels.err)
 	close(channels.msg)
 }
 
-func InitWsChannels() *Channels {
-	channels := Channels{
+func InitWsChannels() *ReadChannels {
+	channels := ReadChannels{
 		done: make(chan struct{}),
 		err:  make(chan error, 10),
 		msg:  make(chan *WsMessage, 10),
diff --git a/internal/foundry/websocket.go b/internal/foundry/websocket.go
index 31f9005..ea61b78 100644
--- a/internal/foundry/websocket.go
+++ b/internal/foundry/websocket.go
@@ -3,6 +3,8 @@ package foundry
 import (
 	"context"
 	"database/sql"
+	"encoding/json"
+	"errors"
 	"fmt"
 	"log/slog"
 	"strconv"
@@ -17,19 +19,29 @@ import (
 	"github.com/gorilla/websocket"
 )
 
+//TODO: refactor all code
+
 type TransportCode int
+type FoundryMode int
 
 const (
 	WriterCode = TransportCode(0)
 	ReaderCode = TransportCode(1)
 )
 
+// const (
+// 	SetupMode = FoundryMode(0)
+// 	WorldMode = FoundryMode(1)
+// )
+
+// var
+
 const (
-	RespSessionData       = "0"
-	RespPingCode          = "2"
-	RespSessionId         = "40"
-	RespCreateSessionCode = "42"
-	RespDataCode          = "43"
+	RespSessionData      = "0"
+	RespPingCode         = "2"
+	RespSessionId        = "40"
+	RespServerChangeCode = "42"
+	RespDataCode         = "43"
 
 	ReqPongCode          = "3"
 	ReqCreateSessionCode = "40"
@@ -40,15 +52,15 @@ var RequestCodes = []string{
 	RespSessionData,
 	RespPingCode,
 	RespSessionId,
-	RespCreateSessionCode,
+	RespServerChangeCode,
 	RespDataCode,
 }
 
 var CodesRespToReq = map[string]string{
-	RespSessionData:       ReqCreateSessionCode,
-	RespPingCode:          ReqPongCode,
-	RespCreateSessionCode: ReqDataCode,
-	//ReqDataCode:  RespCreateSessionCode,
+	RespSessionData:      ReqCreateSessionCode,
+	RespPingCode:         ReqPongCode,
+	RespServerChangeCode: ReqDataCode,
+	//ReqDataCode:  RespServerChangeCode,
 }
 
 type webSocketUtil struct {
@@ -56,15 +68,23 @@ type webSocketUtil struct {
 	currWsId    int
 	isReadReady bool
 	logger      *slog.Logger
+	config      requests.Config
 
-	msgMap    map[int](chan []byte)
-	chanMutex sync.Mutex
-	channels  types.Channels
-	models    db_model.Models
+	chanMutex    sync.Mutex
+	readChan     types.ReadChannels
+	exchangeChan types.ExchangeChannels
+	models       db_model.Models
 }
 
 func NewWebSocketUtil() *webSocketUtil {
-	return &webSocketUtil{currWsId: 0, isReadReady: false, msgMap: make(map[int]chan []byte)}
+	return &webSocketUtil{
+		currWsId:    0,
+		isReadReady: false,
+		exchangeChan: types.ExchangeChannels{
+			Msgs:        make(map[int]chan []byte),
+			ProgressMsg: map[string]chan struct{}{},
+		},
+		config: requests.Config{SessionID: ""}}
 }
 
 func parseCode(msg *string) string {
@@ -100,9 +120,6 @@ func parseWsRespMessage(msg string) (*types.WsMessage, error) {
 	data := &types.WsMessage{}
 
 	data.Code = parseCode(&msg)
-	if data.Code != RespDataCode {
-		return data, nil
-	}
 
 	i := len(data.Code)
 	if i == 0 {
@@ -111,8 +128,11 @@ func parseWsRespMessage(msg string) (*types.WsMessage, error) {
 
 	data.Id, i = parseId(&msg, i)
 	if i == 0 {
-		return nil, ErrorMsgNotHaveNumber
+		i = len(data.Code)
 	}
+	// if i == 0 {
+	// 	return nil, ErrorMsgNotHaveNumber
+	// }
 
 	data.MsgJson = msg[i:]
 	return data, nil
@@ -125,7 +145,7 @@ func (ws *webSocketUtil) ReceiveMessage(id int) ([]byte, error) {
 
 	for {
 		select {
-		case msg, ok := <-ws.msgMap[id]:
+		case msg, ok := <-ws.exchangeChan.Msgs[id]:
 			if !ok {
 				time.Sleep(5 * time.Microsecond)
 				continue
@@ -151,18 +171,18 @@ func (ws *webSocketUtil) closeMsgChannel(id int, timeout time.Duration) bool {
 	defer ws.chanMutex.Unlock()
 
 	ok := true
-	if _, ok = ws.msgMap[id]; !ok {
+	if _, ok = ws.exchangeChan.Msgs[id]; !ok {
 		return false
 	}
 	select {
-	case _, ok = <-ws.msgMap[id]:
+	case _, ok = <-ws.exchangeChan.Msgs[id]:
 		if ok {
-			close(ws.msgMap[id])
-			delete(ws.msgMap, id)
+			close(ws.exchangeChan.Msgs[id])
+			delete(ws.exchangeChan.Msgs, id)
 		}
 	default:
-		close(ws.msgMap[id])
-		delete(ws.msgMap, id)
+		close(ws.exchangeChan.Msgs[id])
+		delete(ws.exchangeChan.Msgs, id)
 	}
 
 	ws.logger.Debug("WS: Channel has been closed\n", "id", id, "timeout", timeout.String())
@@ -196,22 +216,22 @@ func (ws *webSocketUtil) ListenWebSocket() {
 	for {
 		_, message, err := ws.wsConn.ReadMessage()
 		if err != nil {
-			ws.channels.Err() <- &FoundryError{Type: ReaderCode, Err: err, IsFatal: true}
+			ws.readChan.Err() <- &FoundryError{Type: ReaderCode, Err: err, IsFatal: true}
 			return
 		}
 		data, err := parseWsRespMessage(string(message))
 		if err != nil {
-			ws.channels.Err() <- &FoundryError{Type: ReaderCode, Err: err}
+			ws.readChan.Err() <- &FoundryError{Type: ReaderCode, Err: err}
 			continue
 		}
-		ws.channels.Msg() <- data
+		ws.readChan.Msg() <- data
 	}
 }
 
 func (ws *webSocketUtil) ServeWebSocket() {
 	for {
 		select {
-		case message := <-ws.channels.Msg():
+		case message := <-ws.readChan.Msg():
 			ws.logger.Debug("WS: Data has been received\n", "msgCode", message.Code)
 
 			switch message.Code {
@@ -219,19 +239,25 @@ func (ws *webSocketUtil) ServeWebSocket() {
 				err := ws.sendOnlyCodeRequest(message.Code)
 				if err != nil {
 					ws.isReadReady = false
-					ws.channels.Err() <- &FoundryError{Type: WriterCode, Err: err}
+					ws.readChan.Err() <- &FoundryError{Type: WriterCode, Err: err}
 					continue
 				}
-			case RespCreateSessionCode:
+			case RespServerChangeCode:
 				ws.isReadReady = true
-				go ws.GetInitialData()
+				dataType, data, err := ws.SplitToTypeAndData([]byte(message.MsgJson))
+				if err != nil {
+					ws.readChan.Err() <- &FoundryError{Type: WriterCode, Err: err}
+					continue
+				}
+				// ws.logger.Debug("Parsed server change message", "dataType", dataType, "data", data)
+				ws.ProcessAction(dataType, data)
 			case RespDataCode:
-				ws.msgMap[message.Id] = make(chan []byte, 1)
-				ws.msgMap[message.Id] <- []byte(message.MsgJson)
+				ws.exchangeChan.Msgs[message.Id] = make(chan []byte, 1)
+				ws.exchangeChan.Msgs[message.Id] <- []byte(message.MsgJson)
 				go ws.closeMsgChannel(message.Id, 5*time.Second)
 			default:
 			}
-		case <-ws.channels.Done():
+		case <-ws.readChan.Done():
 			return
 		}
 	}
@@ -273,26 +299,170 @@ func (ws *webSocketUtil) InsertJsonDataToDB(statePath string) error {
 }
 
 func (ws *webSocketUtil) GetInitialData() {
+	err := ws.InitSetupData()
+	if err != nil {
+		ws.readChan.Err() <- &FoundryError{Type: WriterCode, Err: err}
+		return
+	}
+
+	idState, err := ws.models.FoundryState.GetIdByType(db_model.SetupState)
+	if err != nil {
+		ws.readChan.Err() <- &FoundryError{Type: WriterCode, Err: err}
+		return
+	}
+	ws.logger.Debug("Id state", "id", idState)
+
+	err = ws.InitWorldsData(idState)
+	if err != nil {
+		ws.readChan.Err() <- &FoundryError{Type: WriterCode, Err: err}
+		return
+	}
+}
+
+func (ws *webSocketUtil) InitSetupData() error {
 	ws.models.FoundryState.DeleteAll()
 	ws.models.FoundryState.DeleteAllSeq()
 	for k := range requests.PathToSetupState {
 		err := ws.InsertJsonDataToDB(k)
 		if err != nil {
-			ws.channels.Err() <- &FoundryError{Type: WriterCode, Err: err}
-			break
+			return err
 		}
 	}
-	// for k := range requests.PathToWorldState {
+	return nil
+}
 
-	// }
+func (ws *webSocketUtil) InitWorldsData(idState int64) error {
+	worlds, err := ws.models.FoundryState.GetWorlds(idState)
+	if err != nil {
+		return err
+	}
+	ws.logger.Debug("Worlds", "len", len(worlds))
+
+	for i := range worlds {
+		worldName := worlds[i].TextId
+		ws.InitWorldData(worldName)
+		_, err = ws.config.PostReturnToSetup()
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (ws *webSocketUtil) InitWorldData(worldName string) error {
+	ws.logger.Debug("World name", "name", worldName)
+	err := ws.LaunchWorld(worldName)
+	if err != nil {
+		return err
+	}
+	for k := range requests.PathToWorldState {
+		err := ws.InsertJsonDataToDB(k)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (ws *webSocketUtil) LaunchWorld(worldName string) error {
+	resp, err := ws.config.PostLaunchWorld(worldName)
+	if err != nil {
+		return err
+	}
+	if resp.StatusCode != 200 {
+		return errors.New("World is not found")
+	}
+
+	ws.exchangeChan.ProgressMsg[worldName] = make(chan struct{})
+	ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
+	defer cancel()
+
+	select {
+	case <-ws.exchangeChan.ProgressMsg[worldName]:
+		ws.logger.Debug("World has been started(from GetInitialData)", "world", worldName)
+	case <-ctx.Done():
+		close(ws.exchangeChan.ProgressMsg[worldName])
+		err := ctx.Err()
+		if err != nil {
+			return err
+		}
+		return ErrorTimeout
+	}
+	return nil
 }
 
 func (ws *webSocketUtil) CreateNewDataModels(db *sql.DB) {
 	ws.models = db_model.NewModels(db)
 }
 
+func (ws *webSocketUtil) SplitToTypeAndData(dataJson []byte) (string, any, error) {
+	var rawItems []json.RawMessage
+	err := json.Unmarshal(dataJson, &rawItems)
+	if err != nil {
+		return "", nil, err
+	}
+
+	var dataType string
+	err = json.Unmarshal(rawItems[0], &dataType)
+	if err != nil {
+		return "", nil, err
+	}
+
+	var data map[string]any
+	err = json.Unmarshal(rawItems[1], &data)
+	if err != nil {
+		return "", nil, err
+	}
+
+	actionDataPtr := types.GetWsMsgAction(dataType)
+	if actionDataPtr == nil {
+		return dataType, nil, nil
+	}
+
+	err = types.FillStruct(data, actionDataPtr)
+	if err != nil {
+		return "", nil, err
+	}
+
+	return dataType, actionDataPtr, nil
+}
+
+func (ws *webSocketUtil) ProcessAction(dataType string, data any) {
+	switch tp := data.(type) {
+	case *types.WsSessionMsg:
+		ws.ProcessSessionAction(tp)
+	case *types.WsProgressMsg:
+		ws.ProcessProgressAction(tp)
+	case *types.WsShutdownMsg:
+		ws.ProcessShutdownAction(tp)
+	default:
+		ws.logger.Debug("default")
+	}
+}
+
+func (ws *webSocketUtil) ProcessSessionAction(data *types.WsSessionMsg) {
+	ws.logger.Debug("ProcessSessionAction", "data", data)
+	go ws.GetInitialData()
+}
+
+func (ws *webSocketUtil) ProcessProgressAction(data *types.WsProgressMsg) {
+	if !data.HasChanged {
+		ws.logger.Debug("World has been launched", "world", data.Id)
+		select {
+		case <-ws.exchangeChan.ProgressMsg[data.Id]:
+			ws.logger.Warn("Channel for the world is closed", "world", data.Id)
+		default:
+			close(ws.exchangeChan.ProgressMsg[data.Id])
+		}
+	}
+}
+
+func (ws *webSocketUtil) ProcessShutdownAction(data *types.WsShutdownMsg) {
+	ws.logger.Debug("ProcessShutdownAction", "data", data)
+}
+
 func (ws *webSocketUtil) CreateWSMessageByPage(page string) *types.WsMessage {
-	msgToSend := &types.WsMessage{Code: CodesRespToReq[RespCreateSessionCode], Id: ws.currWsId, MsgJson: fmt.Sprintf("[\"%s\"]", requests.WsTypeData[page])}
+	msgToSend := &types.WsMessage{Code: CodesRespToReq[RespServerChangeCode], Id: ws.currWsId, MsgJson: fmt.Sprintf("[\"%s\"]", requests.WsTypeData[page])}
 	ws.currWsId++
 
 	ws.logger.Debug("WS: Data to send\n", "msgToSend", msgToSend.ToString())