Add leaderboards to multiplayer games

network/multiplayer_controller.gd

@@ -45,7 +45,6 @@ func create_client(address, port, vehicle):
 
 
 func _peer_connected(peer_id):
-	print("_peer_connected(%s)" % peer_id)
 	peers[peer_id] = false
 	rpc_id(peer_id, "add_player", get_tree().get_network_unique_id(), current_vehicle)
 	if get_tree().get_network_unique_id() == 1:
@@ -53,14 +52,12 @@ func _peer_connected(peer_id):
 
 
 func _peer_disconnected(peer_id):
-	print("_peer_disconnected(%s)" % peer_id)
 	peers.erase(peer_id)
 	destroy_player(peer_id)
-	print("new peers state: %s" % peers)
 
 
 func _connected_to_server():
-	print("_connected_to_server")
+	pass
 
 
 func _connection_failed():

scenes/base_track_level.gd

@@ -46,7 +46,6 @@ func reset_player_to(node_to_reset_to: Node, player_node: BuggedVehicle) -> void
 
 
 func _spawn_in_player():
-	print("SPAWNING IN PLAYER")
 	reset_player_to(track.get_furthest_checkpoint(), player_node)
 	add_child(player_node)
 	add_child(gui)

scenes/trackgui.gd

@@ -1,15 +1,22 @@
 extends MarginContainer
 
 var best_time = -1
+var leaderboards_data = {}
 
 onready var time_value = $VBoxContainer/HBoxContainer/TimeValue
 onready var best_time_value = $VBoxContainer/HBoxContainer/BestTimeValue
-onready var wrong_way_label = $VBoxContainer/WrongWayLabel
+onready var wrong_way_label = $CenterContainer/WrongWayLabel
+onready var leaderboards = $VBoxContainer/LeaderboardsLine
+onready var leaderboards_list = $VBoxContainer/LeaderboardsLine/VBoxContainer/Leaderboards
 
 
 func _ready() -> void:
 	time_value.text = "NaN"
 	best_time_value.text = "NaN"
+	if MultiplayerController.is_online():
+		leaderboards.visible = true
+	else:
+		leaderboards.visible = false
 
 
 func _on_time_updated(new_time: float) -> void:
@@ -20,6 +27,9 @@ func _on_lap_complete(lap_time: float) -> void:
 	if lap_time < best_time or best_time < 0:
 		best_time = lap_time
 		best_time_value.text = _format_time(best_time)
+		if MultiplayerController.is_online():
+			update_leaderboard_time(String(get_tree().get_network_unique_id()), lap_time)
+			rpc("update_leaderboard_time", String(get_tree().get_network_unique_id()), lap_time)
 
 
 func _on_wrong_way_detected() -> void:
@@ -33,3 +43,26 @@ func _format_time(time: float) -> String:
 	var second = floor((time / 1000.0) - minute * 60)
 	var millisecond = time - minute * 60 * 1000 - second * 1000
 	return "%02d:%02d.%03d" % [minute, second, millisecond]
+
+
+remote func update_leaderboard_time(peer_id: String, lap_time: float):
+	leaderboards_data[peer_id] = lap_time
+
+	var leaderboards_sorted = []
+	for peer in leaderboards_data:
+		leaderboards_sorted.append([peer, leaderboards_data[peer]])
+
+	leaderboards_sorted.sort_custom(self, "_leaderbords_comparison")
+
+	for child in leaderboards_list.get_children():
+		child.queue_free()
+
+	for entry in leaderboards_sorted:
+		var label = Label.new()
+		label.text = "%s - %s" % [entry[0], _format_time(entry[1])]
+
+		leaderboards_list.add_child(label)
+
+
+func _leaderbords_comparison(left: Array, right: Array) -> bool:
+	return left[1] < right[1]

scenes/trackgui.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=4 format=2]
+[gd_scene load_steps=5 format=2]
 
 [ext_resource path="res://assets/fonts/kenney-future-narrow.ttf" type="DynamicFontData" id=1]
 [ext_resource path="res://scenes/trackgui.gd" type="Script" id=2]
@@ -9,6 +9,10 @@ outline_size = 2
 outline_color = Color( 1, 1, 1, 0.317647 )
 font_data = ExtResource( 1 )
 
+[sub_resource type="Theme" id=2]
+default_font = SubResource( 1 )
+Label/colors/font_color = Color( 0.482353, 0, 0, 1 )
+
 [node name="TrackGUI" type="MarginContainer"]
 anchor_right = 1.0
 anchor_bottom = 1.0
@@ -16,6 +20,7 @@ margin_left = 20.0
 margin_top = 20.0
 margin_right = -20.0
 margin_bottom = -20.0
+theme = SubResource( 2 )
 script = ExtResource( 2 )
 __meta__ = {
 "_edit_use_anchors_": false
@@ -34,8 +39,6 @@ margin_right = 289.0
 margin_bottom = 41.0
 size_flags_horizontal = 3
 size_flags_vertical = 0
-custom_colors/font_color = Color( 0.482353, 0, 0, 1 )
-custom_fonts/font = SubResource( 1 )
 text = "Current lap -"
 align = 1
 valign = 1
@@ -46,8 +49,6 @@ margin_right = 489.0
 margin_bottom = 41.0
 size_flags_horizontal = 3
 size_flags_vertical = 0
-custom_colors/font_color = Color( 0.482353, 0, 0, 1 )
-custom_fonts/font = SubResource( 1 )
 text = "12:23.245"
 __meta__ = {
 "_edit_use_anchors_": false
@@ -59,8 +60,6 @@ margin_right = 562.0
 margin_bottom = 41.0
 size_flags_horizontal = 3
 size_flags_vertical = 0
-custom_colors/font_color = Color( 0.482353, 0, 0, 1 )
-custom_fonts/font = SubResource( 1 )
 __meta__ = {
 "_edit_use_anchors_": false
 }
@@ -71,8 +70,6 @@ margin_right = 784.0
 margin_bottom = 41.0
 size_flags_horizontal = 3
 size_flags_vertical = 0
-custom_colors/font_color = Color( 0.482353, 0, 0, 1 )
-custom_fonts/font = SubResource( 1 )
 text = "Best Lap -"
 
 [node name="BestTimeValue" type="Label" parent="VBoxContainer/HBoxContainer"]
@@ -81,22 +78,48 @@ margin_right = 984.0
 margin_bottom = 41.0
 size_flags_horizontal = 3
 size_flags_vertical = 0
-custom_colors/font_color = Color( 0.482353, 0, 0, 1 )
-custom_fonts/font = SubResource( 1 )
 text = "01:23.256"
 __meta__ = {
 "_edit_use_anchors_": false
 }
 
-[node name="WrongWayLabel" type="Label" parent="VBoxContainer"]
-visible = false
+[node name="LeaderboardsLine" type="HBoxContainer" parent="VBoxContainer"]
 margin_top = 49.0
 margin_right = 984.0
-margin_bottom = 90.0
+margin_bottom = 98.0
+alignment = 2
+
+[node name="VBoxContainer" type="VBoxContainer" parent="VBoxContainer/LeaderboardsLine"]
+margin_left = 684.0
+margin_right = 984.0
+margin_bottom = 49.0
+
+[node name="LeaderboardsLabel" type="Label" parent="VBoxContainer/LeaderboardsLine/VBoxContainer"]
+margin_right = 300.0
+margin_bottom = 41.0
+text = "Leaderboards"
+
+[node name="Leaderboards" type="VBoxContainer" parent="VBoxContainer/LeaderboardsLine/VBoxContainer"]
+margin_top = 49.0
+margin_right = 300.0
+margin_bottom = 49.0
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="CenterContainer" type="CenterContainer" parent="."]
+margin_right = 984.0
+margin_bottom = 560.0
+
+[node name="WrongWayLabel" type="Label" parent="CenterContainer"]
+visible = false
+margin_left = 238.0
+margin_top = 259.0
+margin_right = 745.0
+margin_bottom = 300.0
 size_flags_horizontal = 3
 size_flags_vertical = 0
 custom_colors/font_color = Color( 0.482353, 0, 0, 1 )
-custom_fonts/font = SubResource( 1 )
 text = "Wrong Way! Turn Around!"
 align = 1
 __meta__ = {

scenes/tracks/track.gd

@@ -52,6 +52,12 @@ func _process(_delta: float) -> void:
 
 
 func _on_body_entered_area(body: Node, area: Area) -> void:
+	if (
+		MultiplayerController.is_online()
+		and body.get_network_master() != get_tree().get_network_unique_id()
+	):
+		return
+
 	if body.get_groups().has("car"):
 		if area.get_index() < last_checkpoint || abs(area.get_index() - last_checkpoint) > 1:
 			emit_signal("wrong_way")