Implemented disconnects

client/network/PlayerRemove.gd

@@ -0,0 +1,12 @@
+extends PacketHandler
+
+func handle_packet(data: PackedByteArray, _peer: PacketPeer):
+	var player_id := data.get_string_from_ascii()
+	print("[%s] Remove player: %s" % [Global.username, player_id])
+
+	var player := %Players.get_node(player_id)
+
+	if is_instance_valid(player):
+		player.queue_free()
+	else:
+		push_warning("PlayerRemove: Player with ID %s doesn't exist")

client/world/Main.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=19 format=3 uid="uid://b40y7iuskv1ar"]
+[gd_scene load_steps=20 format=3 uid="uid://b40y7iuskv1ar"]
 
 [ext_resource type="Script" path="res://Game.gd" id="1_uxop2"]
 [ext_resource type="Script" path="res://network/Client.gd" id="2_00qe8"]
@@ -7,6 +7,7 @@
 [ext_resource type="Script" path="res://network/PlayerAdd.gd" id="5_sd8xh"]
 [ext_resource type="PackedScene" uid="uid://2lcnu3dy54lx" path="res://player/Player.tscn" id="6_jxdko"]
 [ext_resource type="Script" path="res://network/PlayerMove.gd" id="7_6xfox"]
+[ext_resource type="Script" path="res://network/PlayerRemove.gd" id="7_ubce6"]
 [ext_resource type="Script" path="res://world/Sun.gd" id="8_leyo3"]
 [ext_resource type="Script" path="res://network/PlayerJump.gd" id="8_p6kmr"]
 [ext_resource type="Environment" uid="uid://dixa0yso2s1u3" path="res://world/Environment.tres" id="9_4u3r5"]
@@ -53,6 +54,10 @@ script = ExtResource("5_sd8xh")
 player_scene = ExtResource("6_jxdko")
 packet_type = 10
 
+[node name="PlayerRemove" type="Node" parent="Client"]
+script = ExtResource("7_ubce6")
+packet_type = 11
+
 [node name="PlayerMove" type="Node" parent="Client"]
 script = ExtResource("7_6xfox")
 packet_type = 12

server/game/Login.go

@@ -40,7 +40,7 @@ func (game *Game) Login(data []byte, address *net.UDPAddr, server *Server) error
 		return errors.New("login failure")
 	}
 
-	player := game.players.Add(address, account)
+	player := NewPlayer(address, account, game)
 	player.authToken = createAuthToken()
 	player.KeepAlive()
 
@@ -49,24 +49,10 @@ func (game *Game) Login(data []byte, address *net.UDPAddr, server *Server) error
 	response = AppendString(response, player.authToken)
 	server.Send(packet.Login, response, address)
 
-	game.onLogin(player)
+	game.players.Add(player)
 	return nil
 }
 
-// Inform the newly logged in player about existing players.
-// Also inform existing players about the newly logged in player.
-func (game *Game) onLogin(player *Player) {
-	game.players.Each(func(other *Player) bool {
-		game.server.Send(packet.PlayerAdd, other.State(), player.address)
-
-		if other != player {
-			game.server.Send(packet.PlayerAdd, player.State(), other.address)
-		}
-
-		return true
-	})
-}
-
 func getLoginData(data []byte) (string, string, error) {
 	loginRequest := [2]string{}
 	err := json.Unmarshal(data, &loginRequest)

server/game/Player.go

@@ -3,22 +3,25 @@ package game
 import (
 	"fmt"
 	"net"
+	"server/game/packet"
 	"time"
 )
 
 // Player represents a logged in client.
 type Player struct {
 	*Account
+	game       *Game
 	authToken  string
 	address    *net.UDPAddr
 	lastPacket time.Time
 }
 
 // NewPlayer creates a new player.
-func NewPlayer(account *Account, address *net.UDPAddr) *Player {
+func NewPlayer(address *net.UDPAddr, account *Account, game *Game) *Player {
 	return &Player{
 		Account: account,
 		address: address,
+		game:    game,
 	}
 }
 
@@ -48,8 +51,21 @@ func (player *Player) State() []byte {
 
 func (player *Player) OnConnect() {
 	fmt.Printf("%s connected.\n", player.Name)
+	players := player.game.players
+	server := player.game.server
+
+	players.Each(func(other *Player) bool {
+		server.Send(packet.PlayerAdd, other.State(), player.address)
+
+		if other != player {
+			server.Send(packet.PlayerAdd, player.State(), other.address)
+		}
+
+		return true
+	})
 }
 
 func (player *Player) OnDisconnect() {
 	fmt.Printf("%s disconnected.\n", player.Name)
+	player.game.BroadcastOthers(packet.PlayerRemove, []byte(player.ID), player)
 }

server/game/PlayerManager.go

@@ -30,9 +30,9 @@ func NewPlayerManager() *PlayerManager {
 				player := value.(*Player)
 
 				if !player.lastPacket.IsZero() && now.After(player.lastPacket.Add(timeout)) {
-					player.OnDisconnect()
 					m.players.Delete(key)
 					m.count.Add(-1)
+					player.OnDisconnect()
 				}
 
 				return true
@@ -44,12 +44,10 @@ func NewPlayerManager() *PlayerManager {
 }
 
 // Add adds a new player with the given address and account.
-func (m *PlayerManager) Add(address *net.UDPAddr, account *Account) *Player {
-	player := NewPlayer(account, address)
-	m.players.Store(address.String(), player)
+func (m *PlayerManager) Add(player *Player) {
+	m.players.Store(player.address.String(), player)
 	m.count.Add(1)
 	player.OnConnect()
-	return player
 }
 
 // Contains tells you whether the address is already a registered client.