diff --git a/client/Global.gd b/client/Global.gd
index ddfa215..9526724 100644
--- a/client/Global.gd
+++ b/client/Global.gd
@@ -4,6 +4,7 @@ var camera: Camera3D
 var player: Player
 var players: PlayerManager
 var account_id: String
+var auth_token: String
 var interacting_with_ui: bool
-var instance_id := OS.get_process_id() % 4
-var username := "user%d" % instance_id
+var instance_id: int
+var username: String
diff --git a/client/Game.gd b/client/Main.gd
similarity index 52%
rename from client/Game.gd
rename to client/Main.gd
index 7a3a8bf..55ec50c 100644
--- a/client/Game.gd
+++ b/client/Main.gd
@@ -1,16 +1,26 @@
 extends Node
 
 func _ready():
-	# Capture mouse
-	#Input.mouse_mode = Input.MOUSE_MODE_CAPTURED
+	Global.instance_id = OS.get_process_id() % 4
+	Global.username = "user%d" % Global.instance_id
 
-	# Mute audio
-	var master_sound = AudioServer.get_bus_index("Master")
-	AudioServer.set_bus_mute(master_sound, true)
+	%Login.success.connect(on_login)
+	%Login.send_login()
+
+	mute_audio()
 
 func _input(event):
 	if event.is_action_pressed("toggle_fullscreen"):
 		toggle_fullscreen()
+		get_viewport().set_input_as_handled()
+
+func mute_audio():
+	var master_sound = AudioServer.get_bus_index("Master")
+	AudioServer.set_bus_mute(master_sound, true)
+
+func on_login():
+	DisplayServer.window_set_title("%s - %s" % [Global.username, Global.account_id])
+	DisplayServer.window_set_position(Vector2((Global.instance_id % 2) * 960, (Global.instance_id / 2 % 2) * 540))
 
 func toggle_fullscreen():
 	var mode = DisplayServer.window_get_mode()
@@ -19,6 +29,4 @@ func toggle_fullscreen():
 		DisplayServer.WINDOW_MODE_FULLSCREEN:
 			DisplayServer.window_set_mode(DisplayServer.WINDOW_MODE_WINDOWED)
 		_:
-			DisplayServer.window_set_mode(DisplayServer.WINDOW_MODE_FULLSCREEN)
-
-	return
+			DisplayServer.window_set_mode(DisplayServer.WINDOW_MODE_FULLSCREEN)
\ No newline at end of file
diff --git a/client/world/Main.tscn b/client/Main.tscn
similarity index 77%
rename from client/world/Main.tscn
rename to client/Main.tscn
index 39d35e4..1b33551 100644
--- a/client/world/Main.tscn
+++ b/client/Main.tscn
@@ -1,24 +1,24 @@
 [gd_scene load_steps=24 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"]
-[ext_resource type="Script" path="res://network/Ping.gd" id="3_fd082"]
-[ext_resource type="Script" path="res://network/Login.gd" id="4_0illd"]
-[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"]
-[ext_resource type="CameraAttributesPractical" uid="uid://b835orxyqq6w5" path="res://camera/CameraAttributes.tres" id="10_4uslp"]
-[ext_resource type="Script" path="res://network/Chat.gd" id="10_27gvi"]
-[ext_resource type="PackedScene" uid="uid://hnn0n1xc2qt7" path="res://world/Tree.blend" id="12_x8kho"]
-[ext_resource type="PackedScene" uid="uid://cb2t7bvvf3gwh" path="res://enemy/slime/Slime.tscn" id="13_hdbbd"]
-[ext_resource type="PackedScene" uid="uid://dagn5bf7ou3sd" path="res://ui/UI.tscn" id="14_ofk4r"]
-[ext_resource type="Script" path="res://camera/Camera.gd" id="15_ym3qc"]
-[ext_resource type="Script" path="res://world/PlayerManager.gd" id="16_sjldq"]
-[ext_resource type="Material" uid="uid://ddy5gkw0k16dq" path="res://shader/OutlineMaterial.tres" id="16_srvfy"]
+[ext_resource type="Script" path="res://Main.gd" id="1_cw3ws"]
+[ext_resource type="Script" path="res://network/Client.gd" id="2_8hxcx"]
+[ext_resource type="Script" path="res://network/Ping.gd" id="3_d6qf1"]
+[ext_resource type="Script" path="res://network/Login.gd" id="4_fsx7a"]
+[ext_resource type="Script" path="res://network/PlayerAdd.gd" id="5_376ik"]
+[ext_resource type="PackedScene" uid="uid://2lcnu3dy54lx" path="res://player/Player.tscn" id="6_cdj8w"]
+[ext_resource type="Script" path="res://network/PlayerRemove.gd" id="7_2r42o"]
+[ext_resource type="Script" path="res://network/PlayerMove.gd" id="8_ke1yy"]
+[ext_resource type="Script" path="res://network/PlayerJump.gd" id="9_o8sk8"]
+[ext_resource type="Script" path="res://network/Chat.gd" id="10_y3len"]
+[ext_resource type="Script" path="res://world/Sun.gd" id="11_4jb08"]
+[ext_resource type="Environment" uid="uid://dixa0yso2s1u3" path="res://world/Environment.tres" id="12_cscto"]
+[ext_resource type="CameraAttributesPractical" uid="uid://b835orxyqq6w5" path="res://camera/CameraAttributes.tres" id="13_pvug4"]
+[ext_resource type="PackedScene" uid="uid://hnn0n1xc2qt7" path="res://world/Tree.blend" id="14_7jtdl"]
+[ext_resource type="PackedScene" uid="uid://cb2t7bvvf3gwh" path="res://enemy/slime/Slime.tscn" id="15_hgl78"]
+[ext_resource type="Script" path="res://world/PlayerManager.gd" id="16_dp6bj"]
+[ext_resource type="PackedScene" uid="uid://dagn5bf7ou3sd" path="res://ui/UI.tscn" id="17_43qhq"]
+[ext_resource type="Script" path="res://camera/Camera.gd" id="18_wogcj"]
+[ext_resource type="Material" uid="uid://ddy5gkw0k16dq" path="res://shader/OutlineMaterial.tres" id="19_d2i56"]
 
 [sub_resource type="StandardMaterial3D" id="StandardMaterial3D_lp0k7"]
 albedo_color = Color(0, 0, 0, 1)
@@ -31,20 +31,20 @@ size = Vector3(100, 1, 100)
 size = Vector3(100, 1, 100)
 
 [sub_resource type="QuadMesh" id="QuadMesh_7yiqd"]
-material = ExtResource("16_srvfy")
+material = ExtResource("19_d2i56")
 flip_faces = true
 size = Vector2(2, 2)
 
 [node name="Main" type="Node"]
-script = ExtResource("1_uxop2")
+script = ExtResource("1_cw3ws")
 
 [node name="Client" type="Node" parent="."]
 unique_name_in_owner = true
-script = ExtResource("2_00qe8")
+script = ExtResource("2_8hxcx")
 
 [node name="Ping" type="Node" parent="Client"]
 unique_name_in_owner = true
-script = ExtResource("3_fd082")
+script = ExtResource("3_d6qf1")
 packet_type = 1
 
 [node name="Timer" type="Timer" parent="Client/Ping"]
@@ -52,7 +52,7 @@ autostart = true
 
 [node name="Login" type="Node" parent="Client"]
 unique_name_in_owner = true
-script = ExtResource("4_0illd")
+script = ExtResource("4_fsx7a")
 packet_type = 2
 
 [node name="Timer" type="Timer" parent="Client/Login"]
@@ -61,26 +61,26 @@ autostart = true
 
 [node name="PlayerAdd" type="Node" parent="Client"]
 unique_name_in_owner = true
-script = ExtResource("5_sd8xh")
-player_scene = ExtResource("6_jxdko")
+script = ExtResource("5_376ik")
+player_scene = ExtResource("6_cdj8w")
 packet_type = 10
 
 [node name="PlayerRemove" type="Node" parent="Client"]
-script = ExtResource("7_ubce6")
+script = ExtResource("7_2r42o")
 packet_type = 11
 
 [node name="PlayerMove" type="Node" parent="Client"]
-script = ExtResource("7_6xfox")
+script = ExtResource("8_ke1yy")
 delay = null
 packet_type = 12
 
 [node name="PlayerJump" type="Node" parent="Client"]
-script = ExtResource("8_p6kmr")
+script = ExtResource("9_o8sk8")
 packet_type = 13
 
 [node name="Chat" type="Node" parent="Client"]
 unique_name_in_owner = true
-script = ExtResource("10_27gvi")
+script = ExtResource("10_y3len")
 packet_type = 20
 
 [node name="Statistics" type="Timer" parent="Client"]
@@ -92,29 +92,29 @@ autostart = true
 transform = Transform3D(0.984808, 0.122788, -0.122788, 0, 0.707107, 0.707107, 0.173648, -0.696364, 0.696364, 0, 10, 0)
 shadow_enabled = true
 directional_shadow_mode = 0
-script = ExtResource("8_leyo3")
+script = ExtResource("11_4jb08")
 
 [node name="Environment" type="WorldEnvironment" parent="World"]
-environment = ExtResource("9_4u3r5")
-camera_attributes = ExtResource("10_4uslp")
+environment = ExtResource("12_cscto")
+camera_attributes = ExtResource("13_pvug4")
 
 [node name="Trees" type="Node3D" parent="World"]
 
-[node name="Tree" parent="World/Trees" instance=ExtResource("12_x8kho")]
+[node name="Tree" parent="World/Trees" instance=ExtResource("14_7jtdl")]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 5.11323, 0, -7.57074)
 
-[node name="Tree2" parent="World/Trees" instance=ExtResource("12_x8kho")]
+[node name="Tree2" parent="World/Trees" instance=ExtResource("14_7jtdl")]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 5.11323, 0, 7.80548)
 
 [node name="Enemies" type="Node3D" parent="World"]
 
-[node name="Slime" parent="World/Enemies" instance=ExtResource("13_hdbbd")]
+[node name="Slime" parent="World/Enemies" instance=ExtResource("15_hgl78")]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 8.53558, 1.28057, -3.79687)
 
-[node name="Slime2" parent="World/Enemies" instance=ExtResource("13_hdbbd")]
+[node name="Slime2" parent="World/Enemies" instance=ExtResource("15_hgl78")]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 7.00829, 1.28057, -1.95247)
 
-[node name="Slime3" parent="World/Enemies" instance=ExtResource("13_hdbbd")]
+[node name="Slime3" parent="World/Enemies" instance=ExtResource("15_hgl78")]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 8.53558, 1.28057, -0.306177)
 
 [node name="Floor" type="MeshInstance3D" parent="World"]
@@ -128,9 +128,9 @@ shape = SubResource("BoxShape3D_yg2lt")
 
 [node name="Players" type="Node3D" parent="."]
 unique_name_in_owner = true
-script = ExtResource("16_sjldq")
+script = ExtResource("16_dp6bj")
 
-[node name="UI" parent="." instance=ExtResource("14_ofk4r")]
+[node name="UI" parent="." instance=ExtResource("17_43qhq")]
 
 [node name="Viewport" type="SubViewportContainer" parent="."]
 texture_filter = 1
@@ -155,7 +155,7 @@ current = true
 fov = 90.0
 size = 10.0
 far = 100.0
-script = ExtResource("15_ym3qc")
+script = ExtResource("18_wogcj")
 center = NodePath("..")
 follow_speed = 5.0
 
diff --git a/client/network/Login.gd b/client/network/Login.gd
index 80d30ab..14002e2 100644
--- a/client/network/Login.gd
+++ b/client/network/Login.gd
@@ -1,29 +1,26 @@
 extends PacketHandler
 
-var auth_token: String
-
-func _ready():
-	DisplayServer.window_set_title(Global.username)
-	send_login()
+signal success
+signal failure
 
 func handle_packet(data: PackedByteArray, _peer: PacketPeer):
 	var buffer := StreamPeerBuffer.new()
 	buffer.data_array = data
-
+	
 	var error := buffer.get_8()
 	if error != 0:
 		print("[%s] Login failed." % Global.username)
+		failure.emit()
 		return
 
 	Global.account_id = buffer.get_string()
-	auth_token = buffer.get_string()
+	Global.auth_token = buffer.get_string()
 	
 	print("[%s] Login succeeded." % Global.username)
 	print("[%s] ID: %s" % [Global.username, Global.account_id])
-	print("[%s] Auth token: %s" % [Global.username, auth_token])
+	print("[%s] Auth token: %s" % [Global.username, Global.auth_token])
 
-	DisplayServer.window_set_title("%s - %s" % [Global.username, Global.account_id])
-	DisplayServer.window_set_position(Vector2((Global.instance_id % 2) * 960, (Global.instance_id / 2 % 2) * 540))
+	success.emit()
 
 func send_login():
 	if is_logged_in():
@@ -37,4 +34,4 @@ func send_login():
 	print("[%s] Connecting..." % Global.username)
 
 func is_logged_in() -> bool:
-	return auth_token != ""
\ No newline at end of file
+	return Global.auth_token != ""
\ No newline at end of file
diff --git a/client/network/Ping.gd b/client/network/Ping.gd
index d1ebc80..39a7f79 100644
--- a/client/network/Ping.gd
+++ b/client/network/Ping.gd
@@ -21,10 +21,7 @@ func send_ping():
 	buffer.put_8(count)
 	%Client.send(buffer.data_array)
 	history[count] = get_time()
-	count += 1
-
-	if count >= HISTORY_SIZE:
-		count = 0
+	count = (count + 1) % HISTORY_SIZE
 
 func get_time() -> float:
 	return Time.get_unix_time_from_system()
diff --git a/client/project.godot b/client/project.godot
index 036909a..0e7a160 100644
--- a/client/project.godot
+++ b/client/project.godot
@@ -11,7 +11,7 @@ config_version=5
 [application]
 
 config/name="Client"
-run/main_scene="res://world/Main.tscn"
+run/main_scene="res://Main.tscn"
 config/features=PackedStringArray("4.2", "Forward Plus")
 config/icon="res://ui/icon.svg"
 
diff --git a/client/ui/chat/ChatInput.gd b/client/ui/chat/ChatInput.gd
index edac899..d875cf0 100644
--- a/client/ui/chat/ChatInput.gd
+++ b/client/ui/chat/ChatInput.gd
@@ -8,6 +8,7 @@ func _unhandled_input(event):
 	
 	if event.is_action_pressed("open_chat"):
 		call_deferred("grab_focus")
+		get_viewport().set_input_as_handled()
 
 func _on_focus_entered():
 	Global.interacting_with_ui = true