Client list no longer dependent on cleanup; server will alert clients upon connection/disconnection.

client/client/client.go

@@ -34,23 +34,6 @@ func NewClient() *Client {
 	return c
 }
 
-func (c *Client) SendProtoData(coords *pb.ClientCoordinates) {
-
-	data, err := proto.Marshal(coords)
-	if err != nil {
-		fmt.Println("Couldn't serialize. ", err)
-		return
-	}
-
-	// Add length prefix
-	length := uint32(len(data))
-	buf := make([]byte, 4+len(data))
-	binary.BigEndian.PutUint32(buf[:4], length)
-	copy(buf[4:], data)
-
-	c.SendBuffer(c.conn, buf)
-}
-
 func (c *Client) SendBuffer(conn net.Conn, buf []byte) {
 	// Ensure complete write
 	totalWritten := 0

client/game/game.go

@@ -17,8 +17,9 @@ import (
 )
 
 var (
-	screenWidth  = 640
+	screenWidth   = 640
-	screenHeight = 480
+	screenHeight  = 480
+	movementLimit = 5
 
 	namelist = []string{"slappy", "mick", "rodney", "george", "ringo", "robin", "temitry "}
 )
@@ -36,21 +37,14 @@ type ClientData struct {
 }
 
 type Game struct {
-	name      string
+	name        string
-	blocky    *elements.Block
+	blocky      *elements.Block
-	hitblocky *elements.Block
+	hitblocky   *elements.Block
-	gameId    int
+	gameId      int
-
+	realclients map[int]ClientData
-	//players map[client.Identity]
+	gameclient  *client.Client
-
+	cycle       int
-	clients map[string]ClientData
+	mu          sync.Mutex
-
-	gameclient *client.Client
-	cycle      int
-
-	position gamedata.Coordinates
-
-	mu sync.Mutex
 }
 
 func NewGame() *Game {
@@ -64,7 +58,9 @@ func NewGame() *Game {
 
 	g.hitblocky.SetHit(true)
 
-	g.clients = make(map[string]ClientData)
+	g.blocky.SetPosition(gamedata.Coordinates{X: float64(screenWidth) / 2, Y: float64(screenHeight) / 2})
+
+	g.realclients = make(map[int]ClientData)
 
 	//g.gameId = g.gameclient.GetIdentity()
 	go g.gameclient.ReadData(g.HandleServerData)
@@ -73,47 +69,29 @@ func NewGame() *Game {
 
 func (g *Game) Update() error {
 
-	x, y := ebiten.CursorPosition()
+	g.HandleInput()
-	g.position.X = float64(x)
-	g.position.Y = float64(y)
-
-	g.blocky.SetPosition(g.position)
 
 	//broadcast our position
-	if g.cycle%2 == 0 {
+	//if g.cycle%2 == 0 {
-		if g.gameclient.IsConnected() {
+	if g.gameclient.IsConnected() {
-			//g.gameclient.SendData(fmt.Sprintf("%s,%.0f,%.0f\n", g.name, g.position.X, g.position.Y))
+		cd := &pb.ClientCoordinates{
-
+			Name: g.name,
-			cd := &pb.ClientCoordinates{
+			Coordinates: &pb.Coordinates{
-				Name: g.name,
+				X: g.blocky.GetPosition().X, //g.position.X,
-				Coordinates: &pb.Coordinates{
+				Y: g.blocky.GetPosition().Y, //g.position.Y,
-					X: g.position.X,
+			},
-					Y: g.position.Y,
-				},
-			}
-
-			envelope := &pb.ClientEnvelope{
-				Payload: &pb.ClientEnvelope_Coordinates{
-					Coordinates: cd,
-				},
-			}
-
-			g.gameclient.SendMessage(envelope)
-
-			//g.gameclient.SendProtoData(cd)
-			/*
-				cd := *client.ClientData{
-					Name: g.name,
-					Address: g.
-				}*/
-
 		}
-	}
 
-	//cleanup client list every 2 seconds
+		envelope := &pb.ClientEnvelope{
-	if g.cycle%120 == 0 {
+			Payload: &pb.ClientEnvelope_Coordinates{
-		go g.CleanupClients()
+				Coordinates: cd,
+			},
+		}
+
+		g.gameclient.SendMessage(envelope)
+
 	}
+	//}
 
 	g.cycle++
 	return nil
@@ -138,7 +116,7 @@ func (g *Game) Draw(screen *ebiten.Image) {
 	text.Draw(screen, "you ("+g.name+")", f2, top)
 
 	g.mu.Lock()
-	clientcopy := maps.Clone(g.clients)
+	clientcopy := maps.Clone(g.realclients)
 	g.mu.Unlock()
 	for _, client := range clientcopy {
 		op := &ebiten.DrawImageOptions{}
@@ -185,21 +163,46 @@ func (g *Game) HandleServerData(envelope *pb.ServerEnvelope) {
 				}
 
 				g.mu.Lock()
-				g.clients[update.Address] = update
+				g.realclients[int(client.Id)] = update
 				g.mu.Unlock()
+			} else {
+				g.blocky.SetHit(client.Hit)
 			}
 		}
-
+	case *pb.ServerEnvelope_Event:
+		//add or remove client from client list
+		if payload.Event.Connected && payload.Event.Id != int32(g.gameId) {
+			realclient := ClientData{
+				Id: int(payload.Event.Id),
+			}
+			g.realclients[int(payload.Event.Id)] = realclient
+		} else {
+			delete(g.realclients, int(payload.Event.Id))
+		}
 	case *pb.ServerEnvelope_Identity:
 		fmt.Println("Server is trying to give us our id.")
 		g.gameId = int(payload.Identity.Id)
 	}
 }
 
-func (g *Game) CleanupClients() {
+func (g *Game) HandleInput() {
-	g.mu.Lock()
+
-	for k := range g.clients {
+	dx := 0
-		delete(g.clients, k)
+	dy := 0
+	if ebiten.IsKeyPressed(ebiten.KeyW) {
+		dy = -movementLimit
 	}
-	g.mu.Unlock()
+	if ebiten.IsKeyPressed(ebiten.KeyS) {
+		dy = +movementLimit
+	}
+	if ebiten.IsKeyPressed(ebiten.KeyA) {
+		dx = -movementLimit
+	}
+	if ebiten.IsKeyPressed(ebiten.KeyD) {
+		dx = +movementLimit
+	}
+	cpos := g.blocky.GetPosition()
+	cpos.X += float64(dx)
+	cpos.Y += float64(dy)
+	g.blocky.SetPosition(cpos)
 }

client/pb/clientdata.pb.go

@@ -407,6 +407,59 @@ type ClientEnvelope_Coordinates struct {
 
 func (*ClientEnvelope_Coordinates) isClientEnvelope_Payload() {}
 
+type ClientEvent struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Id        int32 `protobuf:"varint,1,opt,name=Id,proto3" json:"Id,omitempty"`
+	Connected bool  `protobuf:"varint,2,opt,name=Connected,proto3" json:"Connected,omitempty"`
+}
+
+func (x *ClientEvent) Reset() {
+	*x = ClientEvent{}
+	mi := &file_clientdata_proto_msgTypes[6]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *ClientEvent) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ClientEvent) ProtoMessage() {}
+
+func (x *ClientEvent) ProtoReflect() protoreflect.Message {
+	mi := &file_clientdata_proto_msgTypes[6]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ClientEvent.ProtoReflect.Descriptor instead.
+func (*ClientEvent) Descriptor() ([]byte, []int) {
+	return file_clientdata_proto_rawDescGZIP(), []int{6}
+}
+
+func (x *ClientEvent) GetId() int32 {
+	if x != nil {
+		return x.Id
+	}
+	return 0
+}
+
+func (x *ClientEvent) GetConnected() bool {
+	if x != nil {
+		return x.Connected
+	}
+	return false
+}
+
 type ServerEnvelope struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -416,12 +469,13 @@ type ServerEnvelope struct {
 	//
 	//	*ServerEnvelope_Identity
 	//	*ServerEnvelope_Broadcast
+	//	*ServerEnvelope_Event
 	Payload isServerEnvelope_Payload `protobuf_oneof:"Payload"`
 }
 
 func (x *ServerEnvelope) Reset() {
 	*x = ServerEnvelope{}
-	mi := &file_clientdata_proto_msgTypes[6]
+	mi := &file_clientdata_proto_msgTypes[7]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -433,7 +487,7 @@ func (x *ServerEnvelope) String() string {
 func (*ServerEnvelope) ProtoMessage() {}
 
 func (x *ServerEnvelope) ProtoReflect() protoreflect.Message {
-	mi := &file_clientdata_proto_msgTypes[6]
+	mi := &file_clientdata_proto_msgTypes[7]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -446,7 +500,7 @@ func (x *ServerEnvelope) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ServerEnvelope.ProtoReflect.Descriptor instead.
 func (*ServerEnvelope) Descriptor() ([]byte, []int) {
-	return file_clientdata_proto_rawDescGZIP(), []int{6}
+	return file_clientdata_proto_rawDescGZIP(), []int{7}
 }
 
 func (m *ServerEnvelope) GetPayload() isServerEnvelope_Payload {
@@ -470,6 +524,13 @@ func (x *ServerEnvelope) GetBroadcast() *AllClients {
 	return nil
 }
 
+func (x *ServerEnvelope) GetEvent() *ClientEvent {
+	if x, ok := x.GetPayload().(*ServerEnvelope_Event); ok {
+		return x.Event
+	}
+	return nil
+}
+
 type isServerEnvelope_Payload interface {
 	isServerEnvelope_Payload()
 }
@@ -482,10 +543,16 @@ type ServerEnvelope_Broadcast struct {
 	Broadcast *AllClients `protobuf:"bytes,2,opt,name=broadcast,proto3,oneof"`
 }
 
+type ServerEnvelope_Event struct {
+	Event *ClientEvent `protobuf:"bytes,3,opt,name=event,proto3,oneof"`
+}
+
 func (*ServerEnvelope_Identity) isServerEnvelope_Payload() {}
 
 func (*ServerEnvelope_Broadcast) isServerEnvelope_Payload() {}
 
+func (*ServerEnvelope_Event) isServerEnvelope_Payload() {}
+
 var File_clientdata_proto protoreflect.FileDescriptor
 
 var file_clientdata_proto_rawDesc = []byte{
@@ -519,22 +586,28 @@ var file_clientdata_proto_rawDesc = []byte{
 	0x65, 0x73, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x17, 0x2e, 0x6d, 0x61, 0x69, 0x6e, 0x2e,
 	0x43, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x43, 0x6f, 0x6f, 0x72, 0x64, 0x69, 0x6e, 0x61, 0x74, 0x65,
 	0x73, 0x48, 0x00, 0x52, 0x0b, 0x63, 0x6f, 0x6f, 0x72, 0x64, 0x69, 0x6e, 0x61, 0x74, 0x65, 0x73,
-	0x42, 0x09, 0x0a, 0x07, 0x50, 0x61, 0x79, 0x6c, 0x6f, 0x61, 0x64, 0x22, 0x81, 0x01, 0x0a, 0x0e,
+	0x42, 0x09, 0x0a, 0x07, 0x50, 0x61, 0x79, 0x6c, 0x6f, 0x61, 0x64, 0x22, 0x3b, 0x0a, 0x0b, 0x43,
-	0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x45, 0x6e, 0x76, 0x65, 0x6c, 0x6f, 0x70, 0x65, 0x12, 0x32,
+	0x6c, 0x69, 0x65, 0x6e, 0x74, 0x45, 0x76, 0x65, 0x6e, 0x74, 0x12, 0x0e, 0x0a, 0x02, 0x49, 0x64,
-	0x0a, 0x08, 0x69, 0x64, 0x65, 0x6e, 0x74, 0x69, 0x74, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b,
+	0x18, 0x01, 0x20, 0x01, 0x28, 0x05, 0x52, 0x02, 0x49, 0x64, 0x12, 0x1c, 0x0a, 0x09, 0x43, 0x6f,
-	0x32, 0x14, 0x2e, 0x6d, 0x61, 0x69, 0x6e, 0x2e, 0x43, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x49, 0x64,
+	0x6e, 0x6e, 0x65, 0x63, 0x74, 0x65, 0x64, 0x18, 0x02, 0x20, 0x01, 0x28, 0x08, 0x52, 0x09, 0x43,
-	0x65, 0x6e, 0x74, 0x69, 0x74, 0x79, 0x48, 0x00, 0x52, 0x08, 0x69, 0x64, 0x65, 0x6e, 0x74, 0x69,
+	0x6f, 0x6e, 0x6e, 0x65, 0x63, 0x74, 0x65, 0x64, 0x22, 0xac, 0x01, 0x0a, 0x0e, 0x53, 0x65, 0x72,
-	0x74, 0x79, 0x12, 0x30, 0x0a, 0x09, 0x62, 0x72, 0x6f, 0x61, 0x64, 0x63, 0x61, 0x73, 0x74, 0x18,
+	0x76, 0x65, 0x72, 0x45, 0x6e, 0x76, 0x65, 0x6c, 0x6f, 0x70, 0x65, 0x12, 0x32, 0x0a, 0x08, 0x69,
-	0x02, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x10, 0x2e, 0x6d, 0x61, 0x69, 0x6e, 0x2e, 0x41, 0x6c, 0x6c,
+	0x64, 0x65, 0x6e, 0x74, 0x69, 0x74, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x14, 0x2e,
-	0x43, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x73, 0x48, 0x00, 0x52, 0x09, 0x62, 0x72, 0x6f, 0x61, 0x64,
+	0x6d, 0x61, 0x69, 0x6e, 0x2e, 0x43, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x49, 0x64, 0x65, 0x6e, 0x74,
-	0x63, 0x61, 0x73, 0x74, 0x42, 0x09, 0x0a, 0x07, 0x50, 0x61, 0x79, 0x6c, 0x6f, 0x61, 0x64, 0x2a,
+	0x69, 0x74, 0x79, 0x48, 0x00, 0x52, 0x08, 0x69, 0x64, 0x65, 0x6e, 0x74, 0x69, 0x74, 0x79, 0x12,
-	0x56, 0x0a, 0x0b, 0x4d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x54, 0x79, 0x70, 0x65, 0x12, 0x16,
+	0x30, 0x0a, 0x09, 0x62, 0x72, 0x6f, 0x61, 0x64, 0x63, 0x61, 0x73, 0x74, 0x18, 0x02, 0x20, 0x01,
-	0x0a, 0x12, 0x4d, 0x53, 0x47, 0x5f, 0x54, 0x59, 0x50, 0x45, 0x5f, 0x42, 0x52, 0x4f, 0x41, 0x44,
+	0x28, 0x0b, 0x32, 0x10, 0x2e, 0x6d, 0x61, 0x69, 0x6e, 0x2e, 0x41, 0x6c, 0x6c, 0x43, 0x6c, 0x69,
-	0x43, 0x41, 0x53, 0x54, 0x10, 0x00, 0x12, 0x15, 0x0a, 0x11, 0x4d, 0x53, 0x47, 0x5f, 0x54, 0x59,
+	0x65, 0x6e, 0x74, 0x73, 0x48, 0x00, 0x52, 0x09, 0x62, 0x72, 0x6f, 0x61, 0x64, 0x63, 0x61, 0x73,
-	0x50, 0x45, 0x5f, 0x49, 0x44, 0x45, 0x4e, 0x54, 0x49, 0x54, 0x59, 0x10, 0x01, 0x12, 0x18, 0x0a,
+	0x74, 0x12, 0x29, 0x0a, 0x05, 0x65, 0x76, 0x65, 0x6e, 0x74, 0x18, 0x03, 0x20, 0x01, 0x28, 0x0b,
-	0x14, 0x4d, 0x53, 0x47, 0x5f, 0x54, 0x59, 0x50, 0x45, 0x5f, 0x43, 0x4f, 0x4f, 0x52, 0x44, 0x49,
+	0x32, 0x11, 0x2e, 0x6d, 0x61, 0x69, 0x6e, 0x2e, 0x43, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x45, 0x76,
-	0x4e, 0x41, 0x54, 0x45, 0x53, 0x10, 0x02, 0x42, 0x06, 0x5a, 0x04, 0x2e, 0x2f, 0x70, 0x62, 0x62,
+	0x65, 0x6e, 0x74, 0x48, 0x00, 0x52, 0x05, 0x65, 0x76, 0x65, 0x6e, 0x74, 0x42, 0x09, 0x0a, 0x07,
-	0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x50, 0x61, 0x79, 0x6c, 0x6f, 0x61, 0x64, 0x2a, 0x56, 0x0a, 0x0b, 0x4d, 0x65, 0x73, 0x73, 0x61,
+	0x67, 0x65, 0x54, 0x79, 0x70, 0x65, 0x12, 0x16, 0x0a, 0x12, 0x4d, 0x53, 0x47, 0x5f, 0x54, 0x59,
+	0x50, 0x45, 0x5f, 0x42, 0x52, 0x4f, 0x41, 0x44, 0x43, 0x41, 0x53, 0x54, 0x10, 0x00, 0x12, 0x15,
+	0x0a, 0x11, 0x4d, 0x53, 0x47, 0x5f, 0x54, 0x59, 0x50, 0x45, 0x5f, 0x49, 0x44, 0x45, 0x4e, 0x54,
+	0x49, 0x54, 0x59, 0x10, 0x01, 0x12, 0x18, 0x0a, 0x14, 0x4d, 0x53, 0x47, 0x5f, 0x54, 0x59, 0x50,
+	0x45, 0x5f, 0x43, 0x4f, 0x4f, 0x52, 0x44, 0x49, 0x4e, 0x41, 0x54, 0x45, 0x53, 0x10, 0x02, 0x42,
+	0x06, 0x5a, 0x04, 0x2e, 0x2f, 0x70, 0x62, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -550,7 +623,7 @@ func file_clientdata_proto_rawDescGZIP() []byte {
 }
 
 var file_clientdata_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
-var file_clientdata_proto_msgTypes = make([]protoimpl.MessageInfo, 7)
+var file_clientdata_proto_msgTypes = make([]protoimpl.MessageInfo, 8)
 var file_clientdata_proto_goTypes = []any{
 	(MessageType)(0),          // 0: main.MessageType
 	(*Coordinates)(nil),       // 1: main.Coordinates
@@ -559,7 +632,8 @@ var file_clientdata_proto_goTypes = []any{
 	(*AllClients)(nil),        // 4: main.AllClients
 	(*ClientIdentity)(nil),    // 5: main.ClientIdentity
 	(*ClientEnvelope)(nil),    // 6: main.ClientEnvelope
-	(*ServerEnvelope)(nil),    // 7: main.ServerEnvelope
+	(*ClientEvent)(nil),       // 7: main.ClientEvent
+	(*ServerEnvelope)(nil),    // 8: main.ServerEnvelope
 }
 var file_clientdata_proto_depIdxs = []int32{
 	1, // 0: main.ClientData.coordinates:type_name -> main.Coordinates
@@ -568,11 +642,12 @@ var file_clientdata_proto_depIdxs = []int32{
 	3, // 3: main.ClientEnvelope.coordinates:type_name -> main.ClientCoordinates
 	5, // 4: main.ServerEnvelope.identity:type_name -> main.ClientIdentity
 	4, // 5: main.ServerEnvelope.broadcast:type_name -> main.AllClients
-	6, // [6:6] is the sub-list for method output_type
+	7, // 6: main.ServerEnvelope.event:type_name -> main.ClientEvent
-	6, // [6:6] is the sub-list for method input_type
+	7, // [7:7] is the sub-list for method output_type
-	6, // [6:6] is the sub-list for extension type_name
+	7, // [7:7] is the sub-list for method input_type
-	6, // [6:6] is the sub-list for extension extendee
+	7, // [7:7] is the sub-list for extension type_name
-	0, // [0:6] is the sub-list for field type_name
+	7, // [7:7] is the sub-list for extension extendee
+	0, // [0:7] is the sub-list for field type_name
 }
 
 func init() { file_clientdata_proto_init() }
@@ -583,9 +658,10 @@ func file_clientdata_proto_init() {
 	file_clientdata_proto_msgTypes[5].OneofWrappers = []any{
 		(*ClientEnvelope_Coordinates)(nil),
 	}
-	file_clientdata_proto_msgTypes[6].OneofWrappers = []any{
+	file_clientdata_proto_msgTypes[7].OneofWrappers = []any{
 		(*ServerEnvelope_Identity)(nil),
 		(*ServerEnvelope_Broadcast)(nil),
+		(*ServerEnvelope_Event)(nil),
 	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
@@ -593,7 +669,7 @@ func file_clientdata_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_clientdata_proto_rawDesc,
 			NumEnums:      1,
-			NumMessages:   7,
+			NumMessages:   8,
 			NumExtensions: 0,
 			NumServices:   0,
 		},

server/pb/clientdata.pb.go

@@ -407,6 +407,59 @@ type ClientEnvelope_Coordinates struct {
 
 func (*ClientEnvelope_Coordinates) isClientEnvelope_Payload() {}
 
+type ClientEvent struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Id        int32 `protobuf:"varint,1,opt,name=Id,proto3" json:"Id,omitempty"`
+	Connected bool  `protobuf:"varint,2,opt,name=Connected,proto3" json:"Connected,omitempty"`
+}
+
+func (x *ClientEvent) Reset() {
+	*x = ClientEvent{}
+	mi := &file_clientdata_proto_msgTypes[6]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *ClientEvent) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ClientEvent) ProtoMessage() {}
+
+func (x *ClientEvent) ProtoReflect() protoreflect.Message {
+	mi := &file_clientdata_proto_msgTypes[6]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ClientEvent.ProtoReflect.Descriptor instead.
+func (*ClientEvent) Descriptor() ([]byte, []int) {
+	return file_clientdata_proto_rawDescGZIP(), []int{6}
+}
+
+func (x *ClientEvent) GetId() int32 {
+	if x != nil {
+		return x.Id
+	}
+	return 0
+}
+
+func (x *ClientEvent) GetConnected() bool {
+	if x != nil {
+		return x.Connected
+	}
+	return false
+}
+
 type ServerEnvelope struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -416,12 +469,13 @@ type ServerEnvelope struct {
 	//
 	//	*ServerEnvelope_Identity
 	//	*ServerEnvelope_Broadcast
+	//	*ServerEnvelope_Event
 	Payload isServerEnvelope_Payload `protobuf_oneof:"Payload"`
 }
 
 func (x *ServerEnvelope) Reset() {
 	*x = ServerEnvelope{}
-	mi := &file_clientdata_proto_msgTypes[6]
+	mi := &file_clientdata_proto_msgTypes[7]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -433,7 +487,7 @@ func (x *ServerEnvelope) String() string {
 func (*ServerEnvelope) ProtoMessage() {}
 
 func (x *ServerEnvelope) ProtoReflect() protoreflect.Message {
-	mi := &file_clientdata_proto_msgTypes[6]
+	mi := &file_clientdata_proto_msgTypes[7]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -446,7 +500,7 @@ func (x *ServerEnvelope) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ServerEnvelope.ProtoReflect.Descriptor instead.
 func (*ServerEnvelope) Descriptor() ([]byte, []int) {
-	return file_clientdata_proto_rawDescGZIP(), []int{6}
+	return file_clientdata_proto_rawDescGZIP(), []int{7}
 }
 
 func (m *ServerEnvelope) GetPayload() isServerEnvelope_Payload {
@@ -470,6 +524,13 @@ func (x *ServerEnvelope) GetBroadcast() *AllClients {
 	return nil
 }
 
+func (x *ServerEnvelope) GetEvent() *ClientEvent {
+	if x, ok := x.GetPayload().(*ServerEnvelope_Event); ok {
+		return x.Event
+	}
+	return nil
+}
+
 type isServerEnvelope_Payload interface {
 	isServerEnvelope_Payload()
 }
@@ -482,10 +543,16 @@ type ServerEnvelope_Broadcast struct {
 	Broadcast *AllClients `protobuf:"bytes,2,opt,name=broadcast,proto3,oneof"`
 }
 
+type ServerEnvelope_Event struct {
+	Event *ClientEvent `protobuf:"bytes,3,opt,name=event,proto3,oneof"`
+}
+
 func (*ServerEnvelope_Identity) isServerEnvelope_Payload() {}
 
 func (*ServerEnvelope_Broadcast) isServerEnvelope_Payload() {}
 
+func (*ServerEnvelope_Event) isServerEnvelope_Payload() {}
+
 var File_clientdata_proto protoreflect.FileDescriptor
 
 var file_clientdata_proto_rawDesc = []byte{
@@ -519,22 +586,28 @@ var file_clientdata_proto_rawDesc = []byte{
 	0x65, 0x73, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x17, 0x2e, 0x6d, 0x61, 0x69, 0x6e, 0x2e,
 	0x43, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x43, 0x6f, 0x6f, 0x72, 0x64, 0x69, 0x6e, 0x61, 0x74, 0x65,
 	0x73, 0x48, 0x00, 0x52, 0x0b, 0x63, 0x6f, 0x6f, 0x72, 0x64, 0x69, 0x6e, 0x61, 0x74, 0x65, 0x73,
-	0x42, 0x09, 0x0a, 0x07, 0x50, 0x61, 0x79, 0x6c, 0x6f, 0x61, 0x64, 0x22, 0x81, 0x01, 0x0a, 0x0e,
+	0x42, 0x09, 0x0a, 0x07, 0x50, 0x61, 0x79, 0x6c, 0x6f, 0x61, 0x64, 0x22, 0x3b, 0x0a, 0x0b, 0x43,
-	0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x45, 0x6e, 0x76, 0x65, 0x6c, 0x6f, 0x70, 0x65, 0x12, 0x32,
+	0x6c, 0x69, 0x65, 0x6e, 0x74, 0x45, 0x76, 0x65, 0x6e, 0x74, 0x12, 0x0e, 0x0a, 0x02, 0x49, 0x64,
-	0x0a, 0x08, 0x69, 0x64, 0x65, 0x6e, 0x74, 0x69, 0x74, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b,
+	0x18, 0x01, 0x20, 0x01, 0x28, 0x05, 0x52, 0x02, 0x49, 0x64, 0x12, 0x1c, 0x0a, 0x09, 0x43, 0x6f,
-	0x32, 0x14, 0x2e, 0x6d, 0x61, 0x69, 0x6e, 0x2e, 0x43, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x49, 0x64,
+	0x6e, 0x6e, 0x65, 0x63, 0x74, 0x65, 0x64, 0x18, 0x02, 0x20, 0x01, 0x28, 0x08, 0x52, 0x09, 0x43,
-	0x65, 0x6e, 0x74, 0x69, 0x74, 0x79, 0x48, 0x00, 0x52, 0x08, 0x69, 0x64, 0x65, 0x6e, 0x74, 0x69,
+	0x6f, 0x6e, 0x6e, 0x65, 0x63, 0x74, 0x65, 0x64, 0x22, 0xac, 0x01, 0x0a, 0x0e, 0x53, 0x65, 0x72,
-	0x74, 0x79, 0x12, 0x30, 0x0a, 0x09, 0x62, 0x72, 0x6f, 0x61, 0x64, 0x63, 0x61, 0x73, 0x74, 0x18,
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+	0x64, 0x65, 0x6e, 0x74, 0x69, 0x74, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x14, 0x2e,
-	0x43, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x73, 0x48, 0x00, 0x52, 0x09, 0x62, 0x72, 0x6f, 0x61, 0x64,
+	0x6d, 0x61, 0x69, 0x6e, 0x2e, 0x43, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x49, 0x64, 0x65, 0x6e, 0x74,
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+	0x69, 0x74, 0x79, 0x48, 0x00, 0x52, 0x08, 0x69, 0x64, 0x65, 0x6e, 0x74, 0x69, 0x74, 0x79, 0x12,
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+	0x30, 0x0a, 0x09, 0x62, 0x72, 0x6f, 0x61, 0x64, 0x63, 0x61, 0x73, 0x74, 0x18, 0x02, 0x20, 0x01,
-	0x0a, 0x12, 0x4d, 0x53, 0x47, 0x5f, 0x54, 0x59, 0x50, 0x45, 0x5f, 0x42, 0x52, 0x4f, 0x41, 0x44,
+	0x28, 0x0b, 0x32, 0x10, 0x2e, 0x6d, 0x61, 0x69, 0x6e, 0x2e, 0x41, 0x6c, 0x6c, 0x43, 0x6c, 0x69,
-	0x43, 0x41, 0x53, 0x54, 0x10, 0x00, 0x12, 0x15, 0x0a, 0x11, 0x4d, 0x53, 0x47, 0x5f, 0x54, 0x59,
+	0x65, 0x6e, 0x74, 0x73, 0x48, 0x00, 0x52, 0x09, 0x62, 0x72, 0x6f, 0x61, 0x64, 0x63, 0x61, 0x73,
-	0x50, 0x45, 0x5f, 0x49, 0x44, 0x45, 0x4e, 0x54, 0x49, 0x54, 0x59, 0x10, 0x01, 0x12, 0x18, 0x0a,
+	0x74, 0x12, 0x29, 0x0a, 0x05, 0x65, 0x76, 0x65, 0x6e, 0x74, 0x18, 0x03, 0x20, 0x01, 0x28, 0x0b,
-	0x14, 0x4d, 0x53, 0x47, 0x5f, 0x54, 0x59, 0x50, 0x45, 0x5f, 0x43, 0x4f, 0x4f, 0x52, 0x44, 0x49,
+	0x32, 0x11, 0x2e, 0x6d, 0x61, 0x69, 0x6e, 0x2e, 0x43, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x45, 0x76,
-	0x4e, 0x41, 0x54, 0x45, 0x53, 0x10, 0x02, 0x42, 0x06, 0x5a, 0x04, 0x2e, 0x2f, 0x70, 0x62, 0x62,
+	0x65, 0x6e, 0x74, 0x48, 0x00, 0x52, 0x05, 0x65, 0x76, 0x65, 0x6e, 0x74, 0x42, 0x09, 0x0a, 0x07,
-	0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x50, 0x61, 0x79, 0x6c, 0x6f, 0x61, 0x64, 0x2a, 0x56, 0x0a, 0x0b, 0x4d, 0x65, 0x73, 0x73, 0x61,
+	0x67, 0x65, 0x54, 0x79, 0x70, 0x65, 0x12, 0x16, 0x0a, 0x12, 0x4d, 0x53, 0x47, 0x5f, 0x54, 0x59,
+	0x50, 0x45, 0x5f, 0x42, 0x52, 0x4f, 0x41, 0x44, 0x43, 0x41, 0x53, 0x54, 0x10, 0x00, 0x12, 0x15,
+	0x0a, 0x11, 0x4d, 0x53, 0x47, 0x5f, 0x54, 0x59, 0x50, 0x45, 0x5f, 0x49, 0x44, 0x45, 0x4e, 0x54,
+	0x49, 0x54, 0x59, 0x10, 0x01, 0x12, 0x18, 0x0a, 0x14, 0x4d, 0x53, 0x47, 0x5f, 0x54, 0x59, 0x50,
+	0x45, 0x5f, 0x43, 0x4f, 0x4f, 0x52, 0x44, 0x49, 0x4e, 0x41, 0x54, 0x45, 0x53, 0x10, 0x02, 0x42,
+	0x06, 0x5a, 0x04, 0x2e, 0x2f, 0x70, 0x62, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -550,7 +623,7 @@ func file_clientdata_proto_rawDescGZIP() []byte {
 }
 
 var file_clientdata_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
-var file_clientdata_proto_msgTypes = make([]protoimpl.MessageInfo, 7)
+var file_clientdata_proto_msgTypes = make([]protoimpl.MessageInfo, 8)
 var file_clientdata_proto_goTypes = []any{
 	(MessageType)(0),          // 0: main.MessageType
 	(*Coordinates)(nil),       // 1: main.Coordinates
@@ -559,7 +632,8 @@ var file_clientdata_proto_goTypes = []any{
 	(*AllClients)(nil),        // 4: main.AllClients
 	(*ClientIdentity)(nil),    // 5: main.ClientIdentity
 	(*ClientEnvelope)(nil),    // 6: main.ClientEnvelope
-	(*ServerEnvelope)(nil),    // 7: main.ServerEnvelope
+	(*ClientEvent)(nil),       // 7: main.ClientEvent
+	(*ServerEnvelope)(nil),    // 8: main.ServerEnvelope
 }
 var file_clientdata_proto_depIdxs = []int32{
 	1, // 0: main.ClientData.coordinates:type_name -> main.Coordinates
@@ -568,11 +642,12 @@ var file_clientdata_proto_depIdxs = []int32{
 	3, // 3: main.ClientEnvelope.coordinates:type_name -> main.ClientCoordinates
 	5, // 4: main.ServerEnvelope.identity:type_name -> main.ClientIdentity
 	4, // 5: main.ServerEnvelope.broadcast:type_name -> main.AllClients
-	6, // [6:6] is the sub-list for method output_type
+	7, // 6: main.ServerEnvelope.event:type_name -> main.ClientEvent
-	6, // [6:6] is the sub-list for method input_type
+	7, // [7:7] is the sub-list for method output_type
-	6, // [6:6] is the sub-list for extension type_name
+	7, // [7:7] is the sub-list for method input_type
-	6, // [6:6] is the sub-list for extension extendee
+	7, // [7:7] is the sub-list for extension type_name
-	0, // [0:6] is the sub-list for field type_name
+	7, // [7:7] is the sub-list for extension extendee
+	0, // [0:7] is the sub-list for field type_name
 }
 
 func init() { file_clientdata_proto_init() }
@@ -583,9 +658,10 @@ func file_clientdata_proto_init() {
 	file_clientdata_proto_msgTypes[5].OneofWrappers = []any{
 		(*ClientEnvelope_Coordinates)(nil),
 	}
-	file_clientdata_proto_msgTypes[6].OneofWrappers = []any{
+	file_clientdata_proto_msgTypes[7].OneofWrappers = []any{
 		(*ServerEnvelope_Identity)(nil),
 		(*ServerEnvelope_Broadcast)(nil),
+		(*ServerEnvelope_Event)(nil),
 	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
@@ -593,7 +669,7 @@ func file_clientdata_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_clientdata_proto_rawDesc,
 			NumEnums:      1,
-			NumMessages:   7,
+			NumMessages:   8,
 			NumExtensions: 0,
 			NumServices:   0,
 		},

server/server/server.go

@@ -75,11 +75,13 @@ func (s *Server) HandleClient(conn net.Conn, id int) {
 		s.mu.Lock()
 		delete(s.clientlist, conn)
 		s.mu.Unlock()
+		s.SendClientEvent(conn, id, false)
 		conn.Close()
 	}()
 
 	//before we add the client to the clientlist, let's send them their unique id first
 	s.SendClientIdentity(conn, id)
+	s.SendClientEvent(conn, id, true)
 
 	for {
 		// Read data from the client
@@ -178,7 +180,7 @@ func (s *Server) ManageBroadcast() {
 		}
 		s.mu.Unlock()
 
-		time.Sleep(time.Millisecond * 30)
+		time.Sleep(time.Millisecond * 15)
 	}
 }
 
@@ -252,3 +254,22 @@ func (s *Server) SendClientIdentity(conn net.Conn, id int) {
 
 	s.SendMessage(conn, envelope)
 }
+
+func (s *Server) SendClientEvent(conn net.Conn, id int, connected bool) {
+	event := &pb.ClientEvent{
+		Id:        int32(id),
+		Connected: connected,
+	}
+	envelope := &pb.ServerEnvelope{
+		Payload: &pb.ServerEnvelope_Event{
+			Event: event,
+		},
+	}
+
+	s.mu.Lock()
+	for conn := range s.clientlist {
+		s.SendMessage(conn, envelope)
+	}
+	s.mu.Unlock()
+
+}