Multiplayer: Add Lobby

godot_ship/.import/PanelBG_Dark.png-664d38fd54271fbacb81205517c40701.md5

@@ -0,0 +1,3 @@
+source_md5="136899ff4c68986c4cc62e296277b8ab"
+dest_md5="3d16ccd1874686296ee01de7097a3a6f"
+

godot_ship/.import/PanelBG_Light.png-25b7c30a8a8b20ed722b3b35c8a79d7b.md5

@@ -0,0 +1,3 @@
+source_md5="8a6c98eec519fd0b594b073b527e6e96"
+dest_md5="c9201153f0494a1eb4f9e353a0aafe9f"
+

godot_ship/assets/backgrounds/PanelBG_Dark.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/PanelBG_Dark.png-664d38fd54271fbacb81205517c40701.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/backgrounds/PanelBG_Dark.png"
+dest_files=[ "res://.import/PanelBG_Dark.png-664d38fd54271fbacb81205517c40701.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=false
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

godot_ship/assets/backgrounds/PanelBG_Dark.tres

@@ -0,0 +1,12 @@
+[gd_resource type="StyleBoxTexture" load_steps=2 format=2]
+
+[ext_resource path="res://assets/backgrounds/PanelBG_Dark.png" type="Texture" id=1]
+
+[resource]
+texture = ExtResource( 1 )
+region_rect = Rect2( 0, 0, 32, 32 )
+margin_left = 6.0
+margin_right = 6.0
+margin_top = 6.0
+margin_bottom = 6.0
+axis_stretch_horizontal = 1

godot_ship/assets/backgrounds/PanelBG_Light.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/PanelBG_Light.png-25b7c30a8a8b20ed722b3b35c8a79d7b.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/backgrounds/PanelBG_Light.png"
+dest_files=[ "res://.import/PanelBG_Light.png-25b7c30a8a8b20ed722b3b35c8a79d7b.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
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+compress/normal_map=0
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+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

godot_ship/assets/backgrounds/PanelBG_Light.tres

@@ -0,0 +1,11 @@
+[gd_resource type="StyleBoxTexture" load_steps=2 format=2]
+
+[ext_resource path="res://assets/backgrounds/PanelBG_Light.png" type="Texture" id=1]
+
+[resource]
+texture = ExtResource( 1 )
+region_rect = Rect2( 0, 0, 32, 32 )
+margin_left = 6.0
+margin_right = 6.0
+margin_top = 6.0
+margin_bottom = 7.0

godot_ship/dark_theme.tres

@@ -1,6 +1,7 @@
 [gd_resource type="Theme" load_steps=6 format=2]
 
 [ext_resource path="res://assets/font/Minecraft.ttf" type="DynamicFontData" id=1]
+[ext_resource path="res://assets/backgrounds/PanelBG_Dark.tres" type="StyleBox" id=2]
 
 [sub_resource type="StyleBoxFlat" id=1]
 bg_color = Color( 0.239216, 0.211765, 0.317647, 1 )
@@ -19,10 +20,7 @@ corner_radius_bottom_left = 3
 shadow_size = 3
 
 [sub_resource type="DynamicFont" id=3]
-outline_color = Color( 0, 0, 0, 1 )
+outline_size = 1
-font_data = ExtResource( 1 )
-
-[sub_resource type="DynamicFont" id=4]
 outline_color = Color( 0, 0, 0, 1 )
 extra_spacing_top = 5
 extra_spacing_bottom = 3
@@ -30,9 +28,9 @@ extra_spacing_char = 1
 font_data = ExtResource( 1 )
 
 [resource]
-default_font = SubResource( 4 )
+default_font = SubResource( 3 )
 Button/colors/font_color = Color( 1, 1, 1, 1 )
-Button/colors/font_color_disabled = Color( 0.9, 0.9, 0.9, 0.2 )
+Button/colors/font_color_disabled = Color( 0.901961, 0.901961, 0.901961, 0.2 )
 Button/colors/font_color_hover = Color( 1, 1, 1, 1 )
 Button/colors/font_color_pressed = Color( 1, 1, 1, 1 )
 Button/constants/hseparation = 2
@@ -45,14 +43,16 @@ Button/styles/pressed = null
 Dialogs/constants/button_margin = 100
 Dialogs/constants/margin = 8
 Label/colors/font_color = Color( 1, 1, 1, 1 )
-Label/colors/font_color_shadow = Color( 0, 0, 0, 0 )
+Label/colors/font_color_shadow = Color( 0, 0, 0, 0.25098 )
 Label/colors/font_outline_modulate = Color( 0, 0, 0, 1 )
 Label/constants/line_spacing = 3
 Label/constants/shadow_as_outline = 0
 Label/constants/shadow_offset_x = 0
-Label/constants/shadow_offset_y = 0
+Label/constants/shadow_offset_y = 2
-Label/fonts/font = SubResource( 3 )
+Label/fonts/font = null
 Label/styles/normal = null
+Panel/styles/panel = ExtResource( 2 )
+PanelContainer/styles/panel = ExtResource( 2 )
 WindowDialog/colors/title_color = Color( 0.152941, 0.152941, 0.152941, 1 )
 WindowDialog/constants/close_h_ofs = 18
 WindowDialog/constants/close_v_ofs = 18

godot_ship/light_theme.tres

@@ -1,6 +1,7 @@
 [gd_resource type="Theme" load_steps=6 format=2]
 
 [ext_resource path="res://assets/font/Minecraft.ttf" type="DynamicFontData" id=1]
+[ext_resource path="res://assets/backgrounds/PanelBG_Light.tres" type="StyleBox" id=2]
 
 [sub_resource type="StyleBoxFlat" id=1]
 bg_color = Color( 1, 1, 1, 1 )
@@ -18,12 +19,8 @@ corner_radius_bottom_right = 3
 corner_radius_bottom_left = 3
 shadow_size = 3
 
-[sub_resource type="DynamicFont" id=3]
-outline_color = Color( 0, 0, 0, 1 )
-font_data = ExtResource( 1 )
-
 [sub_resource type="DynamicFont" id=4]
-outline_color = Color( 0, 0, 0, 1 )
+outline_size = 1
 extra_spacing_top = 5
 extra_spacing_bottom = 3
 extra_spacing_char = 1
@@ -45,14 +42,16 @@ Button/styles/pressed = null
 Dialogs/constants/button_margin = 100
 Dialogs/constants/margin = 8
 Label/colors/font_color = Color( 1, 1, 1, 1 )
-Label/colors/font_color_shadow = Color( 0, 0, 0, 0 )
+Label/colors/font_color_shadow = Color( 0, 0, 0, 1 )
 Label/colors/font_outline_modulate = Color( 0, 0, 0, 1 )
 Label/constants/line_spacing = 3
 Label/constants/shadow_as_outline = 0
 Label/constants/shadow_offset_x = 0
-Label/constants/shadow_offset_y = 0
+Label/constants/shadow_offset_y = 2
-Label/fonts/font = SubResource( 3 )
+Label/fonts/font = null
 Label/styles/normal = null
+Panel/styles/panel = ExtResource( 2 )
+PanelContainer/styles/panel = ExtResource( 2 )
 WindowDialog/colors/title_color = Color( 0.152941, 0.152941, 0.152941, 1 )
 WindowDialog/constants/close_h_ofs = 18
 WindowDialog/constants/close_v_ofs = 18

godot_ship/scenes/Lobby.tscn

@@ -0,0 +1,171 @@
+[gd_scene load_steps=2 format=2]
+
+[ext_resource path="res://script/network/Lobby.gd" type="Script" id=1]
+
+[node name="Lobby" type="Control"]
+anchor_right = 1.0
+anchor_bottom = 1.0
+mouse_filter = 2
+script = ExtResource( 1 )
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="Player List Container" type="PanelContainer" parent="."]
+anchor_left = 0.6
+anchor_top = 0.2
+anchor_right = 0.9
+anchor_bottom = 0.8
+size_flags_vertical = 4
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="Align Vertically" type="VBoxContainer" parent="Player List Container"]
+margin_left = 7.0
+margin_top = 7.0
+margin_right = 185.0
+margin_bottom = 209.0
+grow_horizontal = 2
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="Players" type="Label" parent="Player List Container/Align Vertically"]
+margin_right = 178.0
+margin_bottom = 14.0
+text = "Players"
+align = 1
+
+[node name="Player List" type="Label" parent="Player List Container/Align Vertically"]
+margin_top = 18.0
+margin_right = 178.0
+margin_bottom = 32.0
+align = 1
+
+[node name="Lobby Options" type="VBoxContainer" parent="."]
+anchor_left = 0.2
+anchor_top = 0.2
+anchor_right = 0.2
+anchor_bottom = 0.2
+margin_right = 123.0
+margin_bottom = 84.0
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="Lobby Text" type="Label" parent="Lobby Options"]
+margin_right = 123.0
+margin_bottom = 14.0
+text = "Multiplayer Lobby"
+align = 1
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="IP Address" type="Label" parent="Lobby Options"]
+margin_top = 18.0
+margin_right = 123.0
+margin_bottom = 32.0
+align = 1
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="Host or Connect" type="VBoxContainer" parent="Lobby Options"]
+margin_top = 36.0
+margin_right = 123.0
+margin_bottom = 80.0
+
+[node name="Host Button" type="Button" parent="Lobby Options/Host or Connect"]
+margin_right = 123.0
+margin_bottom = 20.0
+text = "Host Game"
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="Connect Button" type="Button" parent="Lobby Options/Host or Connect"]
+margin_top = 24.0
+margin_right = 123.0
+margin_bottom = 44.0
+text = "Connect to Game"
+
+[node name="Connected Options" type="VBoxContainer" parent="Lobby Options"]
+visible = false
+margin_top = 84.0
+margin_right = 123.0
+margin_bottom = 104.0
+
+[node name="Disconnect Button" type="Button" parent="Lobby Options/Connected Options"]
+margin_right = 123.0
+margin_bottom = 20.0
+text = "Disconnect"
+
+[node name="Change Name Button" type="Button" parent="Lobby Options"]
+margin_top = 84.0
+margin_right = 123.0
+margin_bottom = 104.0
+text = "Change Name"
+
+[node name="Exit Lobby" type="Button" parent="Lobby Options"]
+margin_top = 108.0
+margin_right = 123.0
+margin_bottom = 128.0
+text = "Exit Lobby"
+
+[node name="Change Name" type="AcceptDialog" parent="."]
+margin_left = 402.272
+margin_top = 809.953
+margin_right = 642.272
+margin_bottom = 883.953
+rect_min_size = Vector2( 240, 74 )
+window_title = "Change Name"
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="Name Entry" type="TextEdit" parent="Change Name"]
+anchor_left = 0.5
+anchor_right = 0.5
+margin_left = -112.0
+margin_top = 8.0
+margin_right = 112.0
+margin_bottom = 38.0
+grow_horizontal = 2
+text = "127.0.0.1"
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="Connect to Game" type="AcceptDialog" parent="."]
+margin_left = 201.136
+margin_top = 404.977
+margin_right = 441.136
+margin_bottom = 478.977
+rect_min_size = Vector2( 240, 74 )
+window_title = "Connect to Game"
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="IP and Port Entry" type="TextEdit" parent="Connect to Game"]
+anchor_left = 0.5
+anchor_right = 0.5
+margin_left = -112.0
+margin_top = 8.0
+margin_right = 112.0
+margin_bottom = 38.0
+grow_horizontal = 2
+text = "127.0.0.1"
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[connection signal="pressed" from="Lobby Options/Host or Connect/Host Button" to="." method="_on_Host_Button_pressed"]
+[connection signal="pressed" from="Lobby Options/Host or Connect/Connect Button" to="." method="_on_Connect_Button_pressed"]
+[connection signal="pressed" from="Lobby Options/Connected Options/Disconnect Button" to="." method="_on_Disconnect_Button_pressed"]
+[connection signal="pressed" from="Lobby Options/Change Name Button" to="." method="_on_Change_Name_Button_pressed"]
+[connection signal="pressed" from="Lobby Options/Exit Lobby" to="." method="_on_Exit_Lobby_pressed"]
+[connection signal="confirmed" from="Change Name" to="." method="_on_Change_Name_confirmed"]
+[connection signal="confirmed" from="Connect to Game" to="." method="_on_Connect_to_Game_confirmed"]

godot_ship/scenes/Title Screen.tscn

@@ -74,6 +74,7 @@ margin_right = 157.0
 margin_bottom = -15.0
 size_flags_stretch_ratio = 0.0
 custom_fonts/font = SubResource( 1 )
+custom_colors/font_color = Color( 1, 1, 1, 1 )
 custom_colors/font_outline_modulate = Color( 0, 0, 0, 1 )
 custom_colors/font_color_shadow = Color( 0, 0, 0, 1 )
 custom_constants/shadow_offset_x = 0

godot_ship/script/Main.gd

@@ -3,6 +3,7 @@ extends Control
 # Scenes
 onready var Title_Screen = preload("res://scenes/Title Screen.tscn")
 onready var Game         = preload("res://scenes/Game/Game.tscn"   )
+onready var Lobby        = preload("res://scenes/Lobby.tscn"       )
 onready var Options      = preload("res://scenes/Options.tscn"     )
 onready var Credits      = preload("res://scenes/Credits.tscn"     )
 onready var Debug_Menu   = preload("res://scenes/Debug Menu.tscn"  )
@@ -64,7 +65,7 @@ func _on_scene_start(scene):
 			add_child (instance)
 			return true
 		"Multiplayer": 
-			instance = Game.instance()
+			instance = Lobby.instance()
 			add_child (instance)
 			return true
 		"Options": 

godot_ship/script/game/Gameplay/Game.gd

@@ -29,22 +29,15 @@ func _ready():
 	get_node("ConfirmationDialog").get_cancel().text = "No"
 	get_node("ConfirmationDialog").get_ok().rect_min_size.x = 100
 	get_node("ConfirmationDialog").get_cancel().rect_min_size.x = 100
-	
 	if multiplayer:
 		# TODO: Spawn a lobby where people can either connect to a peer or create a server
 		pass
-	
 	game_setup()
 
 # Function used to keep track of which players are ready
+# TODO: Change this to keep track of ready states only
 func player_ready():
-	var who = get_tree().get_rpc_sender_id()
+	pass
-	if get_tree().is_network_server() and who in Net.peer_info and not who in players_ready:
-		print ("ASSERT SUCCESS")
-		players_ready.append(who)
-
-	if players_ready.size() == Net.peer_info.size():
-		rpc("game_start")
 
 # Member functions:
 #   game_start: starts the game
@@ -54,45 +47,39 @@ sync func game_setup():
 		# TODO: Create a fake peer who we can automate, for single-player mode
 		Net.start_host()
 	network_id = Net.get_network_id()
-	# Create players for every player in Net.peer_info
-	for k in Net.peer_info.keys():
-		# Create a new player
-		var player = Player.instance()
-		# Give the player a recognizable name, like "1", instead of "@@97"
-		player.name = str(k)
-		# The player controls themselves
-		player.set_network_master(k)
-		# Add the player to the list of players
-		players.append(player)
-		# Add the player to the scene tree
-		add_child(player)
 	pass
 
+#   game_start:
 func game_start():
 	# Make sure we're the server
 	pass
 
+#   _on_player_ready: Player Ready signal handler
 func _on_player_ready():
 	print ("_on_player_ready")
-	rpc_id(1, "player_ready")
+	Net.send(1, ["player_ready", Net.Mail.REPLY])
 
 #   victory_screen: display the victory screen
 func victory_screen():
 	# TODO: Create the victory screen, fill it with knowledge
 	pass
 
-#   display_turn(): display which turn it is on the screen
+#   display_turn: display which turn it is on the screen
 func display_turn():
 	# TODO: Update the turn display, if there is one?
 	pass
 
+#   _on_Forfeit_pressed: Handle forfeit button press
 func _on_Forfeit_pressed():
 	AudioBus.emit_signal("button_clicked")
 	get_node("ConfirmationDialog").popup()
 
+#   end: end the Game
 func end():
 	queue_free()
 
+#   _on_Button_button_down: Handle win button press
+#   TODO: This isn't a thing any more
 func _on_Button_button_down():
 	AudioBus.emit_signal("button_clicked")
 	var victory = Victory.instance()

godot_ship/script/network/Lobby.gd

@@ -0,0 +1,92 @@
+extends Control
+# Ignore discarded return values
+# warning-ignore:return_value_discarded
+onready var text = find_node("Player List")
+onready var ip = find_node("IP Address")
+
+# TODO: Write a function to update Player List with the list of attached players
+
+func _on_peers_updated():
+	var connected_peers = ""
+	for peer in Net.peer_info:
+		connected_peers += ("%s\n" % Net.peer_info[peer]["name"])
+		pass
+	text.text = connected_peers.rsplit("\n", true, 1)[0].c_unescape()
+	pass
+
+func set_IP_Address_text(show):
+	# Print the IP address and port
+	if show:
+		ip.text = "IP: %s\nPort: %s" % [Net.get_ip(), Net.DEFAULT_PORT]
+	else:
+		ip.text = ""
+
+func _ready():
+	Net.connect("peers_updated", self, "_on_peers_updated")
+	_on_peers_updated()
+	pass
+
+func show_Connected_Options(show):
+	# Hide the host and connect buttons
+	get_node("Lobby Options/Host or Connect").visible = !show
+	# Show the host options
+	get_node("Lobby Options/Connected Options").visible = show
+
+# Buttons
+#   Host Button: Host a game
+#     Hides the connect button
+func _on_Host_Button_pressed():
+	# Show "Connected Options"
+	show_Connected_Options(true)
+	# Show the host IP address
+	set_IP_Address_text(true)
+	# Begin hosting
+	Net.start_host()
+
+#   Disconnect 
+#     Disconnect from (or stop hosting) a game
+#     Shows the host/connect buttons
+func _on_Disconnect_Button_pressed():
+	# Hide "Connected Options"
+	show_Connected_Options(false)
+	# Show the host IP address
+	set_IP_Address_text(false)
+	# Disconnect
+	Net.disconnect_host()
+
+func _on_Change_Name_Button_pressed():
+	# Show the Change Name dialogue
+	get_node("Change Name").popup_centered()
+	pass
+
+func _on_Connect_Button_pressed():
+	# Show the Connect to Game dialogue
+	get_node("Connect to Game").popup_centered()
+	pass
+
+func _on_Connect_to_Game_confirmed():
+	# Get the IP and port specified by the player
+	var ipbox = find_node("IP and Port Entry")
+	# Split it into IP and Port segments
+	var ip_port = ipbox.text.split(":")
+	# If text exists and contains valid IP address
+	if ip_port.size() > 0 and ip_port[0].is_valid_ip_address():
+		# Connect to host
+		Net.callv("connect_host", ip_port)
+		# Show "Connected Options"
+		show_Connected_Options(true)
+
+func _on_Change_Name_confirmed():
+	# Get the new name
+	var name = find_node("Name Entry").text.split("\n")[0]
+	# Set it as the name
+	Net.change_name(name)
+
+
+
+func _on_Exit_Lobby_pressed():
+	# Disconnect
+	if Net.connected:
+		Net.disconnect_host()
+	# Close Lobby menu
+	queue_free()

godot_ship/script/network/Net.gd

@@ -1,33 +1,39 @@
 extends Node
 
+# Constants
+#   DEFAULT_PORT: The port GodotShip will listen on/connect to by default
 const DEFAULT_PORT = 35879
+#   LOCALHOST: loopback address
 const LOCALHOST = "127.0.0.1"
 
+# Enums, used for mail types
+#   Mail types:
+#     1: REQUEST: Message is a request for information
+#     0: REPLY: Message is a reply
+enum {REPLY, REQUEST}
+
+# Signals
+#   incoming(mail): Sent when there's an incoming message
 signal incoming
+#   peers_updated(): Sent when the peer list is updated
+signal peers_updated
+#
 
-# Let's pretend this is actually passed from send to receive
+# Variables
-class Mail:
+#   inbox: Array: Message history
-	# Sender address
-	var from:int
-	var message
-	var type:int
-	enum {FROM, MESSAGE, TYPE}
-	enum {REPLY, REQUEST}
-
-# Store peer info in a dictionary, by player ID
-var peer_info = {}
-# Store this player's hostname
-var local_info = {"hostname": ""}
-
-var connected = false
-var hosting = false
-
-# FIFO queue of Mails
 var inbox = []
+#   connected: Boolean: True when in the Connected state
+var connected = false
+#   hosting: Boolean:   True when in the Hosting state
+var hosting = false
+#   peer_info: Dictionary: Store peer info in a dictionary, by player ID
+var peer_info = {}
+#   local_info: Dictionary: Store this player's info
+var local_info = {"name": ""}
 
 # Network -- handles server and client setup, and facilitates communication between the two
-#   receive: Called when an incoming message is received
+#   receive: Receive a message (called by sender's `send` function)
-#     item: The message received from the sender
+#     item: The message received from the sender (implicitly JSON-decoded by JSONRPC)
 sync func receive(mail):
 	# Get the sender's ID and force letter to be properly addressed
 	mail[0] = get_tree().get_rpc_sender_id()
@@ -36,7 +42,7 @@ sync func receive(mail):
 	# Sent it off to anything that expects mail
 	emit_signal("incoming", mail)
 
-#   send: Called when sending a message
+#   send: Send a message
 #     id: Peer ID of the recipient
 #     mail: Variant of a json-encodable type (non-Object) to send
 func send(id, mail):
@@ -49,12 +55,17 @@ func send(id, mail):
 func start_host(port = DEFAULT_PORT, max_players = 2):
 	get_hostname()
 	peer_info[1] = local_info
+	# Notify that peer list has updated
+	emit_signal("peers_updated")
+	# Create a new NetworkedMultiplayerENet (handles multiplayer communication through ENet)
 	var peer = NetworkedMultiplayerENet.new()
+	# Create a server
 	peer.create_server(port, max_players)
+	# Add the server to the scene tree
 	get_tree().network_peer = peer
+	# Update state
 	connected = true
 	hosting = true
-	return
 
 #   connect_host: Connect to a host
 func connect_host(ip = LOCALHOST, port = DEFAULT_PORT):
@@ -65,6 +76,8 @@ func connect_host(ip = LOCALHOST, port = DEFAULT_PORT):
 
 #   disconnect_host
 func disconnect_host():
+	# Send intent to disconnect
+	rpc("unregister_peer", get_network_id())
 	# Set state to disconnected
 	connected = false
 	hosting = false
@@ -75,19 +88,33 @@ func disconnect_host():
 	get_tree().network_peer = null
 	# Clear peer info
 	peer_info = {}
+	# Notify that peer list has updated
+	emit_signal("peers_updated")
 
+#   change_name: Change the local name, and re-register with all peers (including self)
+func change_name(name):
+	# Change name locally
+	local_info["name"] = name
+	# Send updated info info to all peers
+	rpc("register_peer", local_info)
+	pass
+
+#   get_hostname: Asks the host machine to provide its hostname,
+#     and if the peer name isn't set, set it to the hostname
 func get_hostname():
-	if local_info["hostname"] == "":
 	var hostname = []
+	# Execute the `hostname` command
 	var _ret = OS.execute("hostname", [], true, hostname)
-		local_info["hostname"] = hostname[0].split("\n")[0]
+	# If there's no name set, set it to the hostname
-	return local_info["hostname"]
+	if local_info["name"] == "":
+		local_info["name"] = hostname[0].split("\n")[0]
+	return hostname[0].split("\n")[0]
 
 func get_network_id():
 	return get_tree().get_network_unique_id()
 
 func get_ip():
-	print(IP.resolve_hostname(get_hostname(), IP.TYPE_IPV4))
+	return IP.resolve_hostname(get_hostname(), IP.TYPE_IPV4)
 	pass
 
 func _ready():
@@ -100,11 +127,13 @@ func _ready():
 
 
 func _peer_connected(id):
+	# Send peer info to remote peer
 	rpc_id(id, "register_peer", local_info)
 	pass
 
 func _peer_disconnected(id):
-	peer_info.erase(id)
+	# Unregister the peer locally
+	unregister_peer(id)
 	pass
 
 
@@ -123,7 +152,11 @@ func _connection_fail():
 	# Ensure Net state is clear
 	disconnect_host()
 
-remote func register_peer(info):
+sync func register_peer(info):
 	# Save player information under the sender id's peer info
 	peer_info[get_tree().get_rpc_sender_id()] = info
-	pass
+	emit_signal("peers_updated")
+
+sync func unregister_peer(id):
+	peer_info.erase(id)
+	emit_signal("peers_updated")