fmod

camera/PersonalUI.gd

@@ -0,0 +1,19 @@
+extends Control
+
+@onready var level := Level.find_level(self)
+
+const personal_msg_1 := "You're not it, run!"
+const personal_msg_2 := "You're it, run!"
+
+func get_player() -> Player:
+	return owner.get_parent()
+
+func _ready():
+	level.state_enter_tagger_change.connect(tagger_change)
+	
+func tagger_change(next: Player):
+	if get_player() == next:
+		$Label.text = personal_msg_2
+	else:
+		$Label.text = personal_msg_1
+		

camera/camera.tscn

@@ -1,6 +1,9 @@
-[gd_scene load_steps=2 format=3 uid="uid://brgqf2ebuyhuy"]
+[gd_scene load_steps=4 format=3 uid="uid://brgqf2ebuyhuy"]
 
 [ext_resource type="Script" path="res://camera/camera.gd" id="1_veqr4"]
+[ext_resource type="Script" path="res://camera/PersonalUI.gd" id="2_u54jc"]
+
+[sub_resource type="SphereShape3D" id="SphereShape3D_5lewf"]
 
 [node name="Camera" type="Node3D"]
 script = ExtResource("1_veqr4")
@@ -8,8 +11,32 @@ script = ExtResource("1_veqr4")
 [node name="SpringArm3D" type="SpringArm3D" parent="."]
 unique_name_in_owner = true
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 2)
+shape = SubResource("SphereShape3D_5lewf")
 spring_length = 2.0
 margin = 0.5
 
 [node name="Camera3D" type="Camera3D" parent="SpringArm3D"]
 unique_name_in_owner = true
+
+[node name="PersonalUI" type="Control" parent="."]
+layout_mode = 3
+anchors_preset = 12
+anchor_top = 1.0
+anchor_right = 1.0
+anchor_bottom = 1.0
+offset_top = -126.0
+grow_horizontal = 2
+grow_vertical = 0
+size_flags_vertical = 8
+script = ExtResource("2_u54jc")
+
+[node name="Label" type="Label" parent="PersonalUI"]
+layout_mode = 1
+anchors_preset = 5
+anchor_left = 0.5
+anchor_right = 0.5
+offset_left = -20.0
+offset_right = 20.0
+offset_bottom = 23.0
+grow_horizontal = 2
+theme_override_colors/font_color = Color(1, 0, 0, 1)

level/PlayerSpawner.gd

@@ -6,9 +6,14 @@ func _ready():
 
 func spawn_player(owner_id: int):
 	var player := preload("res://player/player.tscn").instantiate()
+	player.name = str(owner_id)
 	player.set_multiplayer_authority(owner_id)
 	if multiplayer.get_unique_id() == owner_id:
 		var camera := preload("res://camera/camera.tscn").instantiate()
 		player.add_child(camera)
 	return player
 
+func despawn_player(owner_id: int):
+	var node := get_node(spawn_path).get_node(str(owner_id))
+	node.queue_free()
+	await node.tree_exited

level/StaticBody3D.gd

@@ -1,4 +0,0 @@
-extends StaticBody3D
-
-func grounded(src: Player):
-	src._is_grounded = true

level/level.gd

@@ -19,6 +19,18 @@ signal state_leave_tagger_ungrounded
 signal state_enter_tagger_change(new_tagger: Player)
 signal state_leave_tagger_change
 
+const MIN_PLAYERS := 2
+const global_msg_1 := "Waiting for at least {min_players} players to join"
+const global_msg_2 := "Game is starting soon, {tagger_username} is it!"
+const global_msg_3 := "{tagger_username} is it! Run!"
+const global_msg_4 := "{old_tagger_username} caught {tagger_username}!"
+const global_msg_5 := "{old_tagger_username} left. {tagger_username} is now it!"
+
+@rpc("any_peer", "reliable", "call_local")
+func push_global_message(msg: String):
+	%GlobalMessage.text = msg
+	print(msg)
+
 func set_tagger_grounded(v: bool):
 	if v and game_state == GameState.TAGGER_CHANGE:
 		_change_state(GameState.TAGGER_GROUNDED)
@@ -30,13 +42,44 @@ func set_tagger_grounded(v: bool):
 	if v and game_state == GameState.TAGGER_UNGROUNDED:
 		_change_state(GameState.TAGGER_GROUNDED)
 		
-func set_tagger(who: Player):
-	if game_state == GameState.WAITING:
+
+func not_enough_players() -> bool:
+	if %Players.get_children().size() < MIN_PLAYERS:
+		game_tagger = null
+		_change_state(GameState.WAITING)
+		push_global_message.rpc(global_msg_1.format({"min_players": MIN_PLAYERS}))
+		return true
+	return false
+
+func change_to_random_tagger():
+	game_tagger = %Players.get_children().pick_random()
+	_change_state(GameState.TAGGER_CHANGE)
+
+func tagger_left_game():
+	if not_enough_players():
 		return
+	var old_tagger_username := game_tagger.username
+	change_to_random_tagger()
+	var tagger_username := game_tagger.username
+	push_global_message.rpc(global_msg_5.format({
+		"old_tagger_username": old_tagger_username,
+		"tagger_username": tagger_username}))
+
+func set_tagger(who: Player):
 	game_tagger = who
 	_change_state(GameState.TAGGER_CHANGE)
 
 func _change_state(new_state: GameState):
+	var id := -1
+	if game_tagger != null:
+		id = game_tagger.get_multiplayer_authority()
+	_change_state_full.rpc(new_state, id)
+
+@rpc("any_peer", "reliable", "call_local")
+func _change_state_full(new_state: GameState, new_tagger_id: int):
+	game_tagger = null
+	if new_tagger_id != -1:
+		game_tagger = find_player_by_id(new_tagger_id)
 	if game_state == new_state:
 		return
 	if new_state == GameState.WAITING:
@@ -59,18 +102,72 @@ func _change_state(new_state: GameState):
 	if old_state == GameState.TAGGER_CHANGE:
 		state_leave_tagger_change.emit()
 
-
+func tagging_possible(_tagger: Player, tagee: Player) -> bool:
+	if game_state != GameState.TAGGER_GROUNDED and game_state != GameState.TAGGER_UNGROUNDED:
+		return false
+	return true
 
 func _ready():
 	# Hacky way to start level without going though multiplayer screens
 	if get_parent() == get_tree().root:
 		%PlayerSpawner.spawn(multiplayer.get_unique_id())
 
+
+func player_ground(v: bool, player: Player):
+	if game_tagger == player:
+		set_tagger_grounded(v)
+
+func teleport(who: Player):
+	if not who.is_multiplayer_authority():
+		push_error("Don't have the authority to teleport")
+		return
+	who.position = Vector3.ZERO
+
+func player_tag(who: Player, player: Player):
+	if not tagging_possible(player, who) or game_tagger != player:
+		return
+	var old_tagger_username := game_tagger.username
+	var tagger_username := player.username
+	push_global_message.rpc(global_msg_4.format({
+		"old_tagger_username": old_tagger_username,
+		"tagger_username": tagger_username}))
+	teleport(player)
+	set_tagger(who)
+
+func start_game():
+	change_to_random_tagger()
+	push_global_message.rpc(global_msg_3.format({"tagger_username" : game_tagger.username}))
+
 # Called from the server
 func server_add_player(id: int):
 	%PlayerSpawner.spawn(id)
+	if not not_enough_players() and game_state == GameState.WAITING:
+		start_game()
+
+
+func server_remove_player(id: int):
+	var player := find_player_by_id(id)
+	var tagger_left := (game_tagger == player)
+	await %PlayerSpawner.despawn_player(id)
+	if not_enough_players():
+		return
+	if tagger_left:
+		tagger_left_game()
+
+func client_add_player(player: Player):
+	if not player.is_multiplayer_authority():
+		return
+	player.ground.connect(player_ground.bind(player))
+	player.tag.connect(player_tag.bind(player))
+
+
+func client_remove_player(_node):
+	pass
 
 static func find_level(node: Node) -> Level:
 	while not (node is Level):
 		node = node.get_parent()
 	return node
+
+func find_player_by_id(id: int) -> Player:
+	return %Players.get_node(str(id))

level/level.tscn

@@ -1,9 +1,8 @@
-[gd_scene load_steps=12 format=3 uid="uid://b00brfkibo5cj"]
+[gd_scene load_steps=13 format=3 uid="uid://b00brfkibo5cj"]
 
 [ext_resource type="PackedScene" uid="uid://bq654gwim6col" path="res://level/level.glb" id="1_s37in"]
 [ext_resource type="Environment" uid="uid://covjrwmk4rplw" path="res://level/world_environment.tres" id="2_ptkl6"]
 [ext_resource type="Script" path="res://level/level.gd" id="2_s1bx6"]
-[ext_resource type="Script" path="res://level/StaticBody3D.gd" id="4_6rwm2"]
 [ext_resource type="Script" path="res://addons/smoother/smoother.gd" id="5_2tyle"]
 [ext_resource type="Script" path="res://level/PlayerSpawner.gd" id="6_7ww0m"]
 [ext_resource type="MeshLibrary" uid="uid://cgh6y5j8wgi36" path="res://level/mesh_library/level_mesh_library.glb" id="6_d34iv"]
@@ -18,6 +17,11 @@ size = Vector3(2, 0.1, 2)
 size = Vector2(100, 100)
 
 [sub_resource type="BoxShape3D" id="BoxShape3D_m3lo5"]
+size = Vector3(100, 100, 1)
+
+[sub_resource type="SceneReplicationConfig" id="SceneReplicationConfig_285vp"]
+
+[sub_resource type="BoxShape3D" id="BoxShape3D_0y3ka"]
 
 [node name="level" instance=ExtResource("1_s37in")]
 script = ExtResource("2_s1bx6")
@@ -33,7 +37,6 @@ transform = Transform3D(25.5862, 0, 0, 0, 25.5862, 0, 0, 0, 25.5862, 0.00464344,
 visible = false
 
 [node name="StaticBody3D" type="StaticBody3D" parent="Plane" index="0" groups=["ground"]]
-script = ExtResource("4_6rwm2")
 
 [node name="CollisionShape3D" type="CollisionShape3D" parent="Plane/StaticBody3D" index="0"]
 transform = Transform3D(0.1, 0, 0, 0, 0.1, 0, 0, 0, 0.1, 0, 0, 0)
@@ -48,7 +51,7 @@ visible = false
 
 [node name="Players" type="Node3D" parent="." index="3"]
 unique_name_in_owner = true
-transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 11.4823, 12, 16.4239)
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 4.78702, 68.686, -4.61699)
 
 [node name="PlayerSpawner" type="MultiplayerSpawner" parent="." index="4"]
 unique_name_in_owner = true
@@ -78,7 +81,7 @@ data = {
 }
 metadata/_editor_floor_ = Vector3(0, 2, 0)
 
-[node name="MeshInstance3D" type="MeshInstance3D" parent="." index="8"]
+[node name="MeshInstance3D" type="MeshInstance3D" parent="." index="8" groups=["ground"]]
 transform = Transform3D(1, 0, 0, 0, -4.37114e-08, 1, 0, -1, -4.37114e-08, 0.001, 0, 0)
 mesh = SubResource("QuadMesh_8lqeb")
 skeleton = NodePath("../Cube")
@@ -86,5 +89,29 @@ skeleton = NodePath("../Cube")
 [node name="StaticBody3D" type="StaticBody3D" parent="MeshInstance3D" index="0"]
 
 [node name="CollisionShape3D" type="CollisionShape3D" parent="MeshInstance3D/StaticBody3D" index="0"]
-transform = Transform3D(100, 0, 0, 0, 100, 0, 0, 0, 1, 0, 0, -0.5)
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, -0.5)
 shape = SubResource("BoxShape3D_m3lo5")
+
+[node name="MultiplayerSynchronizer" type="MultiplayerSynchronizer" parent="." index="9"]
+replication_config = SubResource("SceneReplicationConfig_285vp")
+
+[node name="SharedUI" type="Control" parent="." index="10"]
+layout_mode = 3
+anchors_preset = 0
+offset_right = 40.0
+offset_bottom = 40.0
+
+[node name="GlobalMessage" type="Label" parent="SharedUI" index="0"]
+unique_name_in_owner = true
+layout_mode = 0
+offset_right = 40.0
+offset_bottom = 23.0
+
+[node name="Ground" type="Area3D" parent="." index="11" groups=["ground"]]
+transform = Transform3D(9, 0, 0, 0, 9, 0, 0, 0, 9, 4.85232, 7.93442, -4.42363)
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="Ground" index="0"]
+shape = SubResource("BoxShape3D_0y3ka")
+
+[connection signal="despawned" from="PlayerSpawner" to="." method="client_remove_player"]
+[connection signal="spawned" from="PlayerSpawner" to="." method="client_add_player"]

player/player.gd

@@ -5,29 +5,40 @@ class_name Player
 
 @export var SPEED = 5.0
 @export var JUMP_VELOCITY = 4.5
+var username: String = ""
 
 var gravity = ProjectSettings.get_setting("physics/3d/default_gravity")
 
 # Set by camera child, switch to signals if becomes too spaghetti
 var movement_dir: Vector2 = Vector2.ZERO
 
-# Using signals to maintain a list of currently colliding players because it simplifies 
-# Memory management substantially since nodes are not GC'd
-# Connected nodes are the colliding nodes
-signal is_bumping(src: Player)
-var _is_grounded := false
-signal is_grounded
+
+# Signals fire continously every frame they're true
+signal tag(player: Player)
+signal ground(v: bool)
+
+func _process(_delta):
+	ground.emit(is_on_ground())
+	var player := get_first_tagging()
+	if player != null:
+		print("tag")
+		tag.emit(player)
+
+# Signals being abused as weak hashsets
+# Never emit
+signal player_tagging_hashset
+signal ground_touching_hashset
+
+func _ready():
+	if username == "":
+		username = "Player " + name
+	$Sphere.set_instance_shader_parameter("color", Color.DARK_ORANGE)
 
 func is_on_ground() -> bool:
-	_is_grounded = false
-	is_grounded.emit()
-	var v := _is_grounded
-	_is_grounded = false
-	return v
+	return player_tagging_hashset.get_connections().size() > 0
 	
 
 func _physics_process(delta):
-	print(is_on_ground())
 	if not is_on_floor():
 		velocity.y -= gravity * delta
 
@@ -43,44 +54,39 @@ func _physics_process(delta):
 
 	move_and_slide()
 
-var _first_bumper: Player = null
+func id():
+	return self
 
-func _bump_check(src: Player):
-	if src._first_bumper == null:
-		src._first_bumper = self
-	
-func get_first_bumper() -> Player:
-	_first_bumper = null
-	is_bumping.emit(self)
-	var player := _first_bumper
-	_first_bumper = null
-	return player
+func get_first_tagging() -> Player:
+	var connections := player_tagging_hashset.get_connections()
+	if connections.size() == 0:
+		return null
+	return connections[0]["callable"].call()
 
 func _on_tag_detection_area_entered(area):
-	if not (area.get_parent() is Player):
+	if not (area.get_parent() is Player) or area.get_parent() == self:
 		return
-	var _other_player: Player = area.get_parent()
-	if is_bumping.is_connected(_bump_check):
+	var other_player: Player = area.get_parent()
+	if player_tagging_hashset.is_connected(other_player.id):
 		return
-	is_bumping.connect(_bump_check)
+	player_tagging_hashset.connect(other_player.id)
 	
 func _on_tag_detection_area_exited(area):
-	if not (area.get_parent() is Player):
+	if not (area.get_parent() is Player) or area.get_parent() == self:
 		return
-	var _other_player: Player = area.get_parent()
-	if not is_bumping.is_connected(_bump_check):
+	var other_player: Player = area.get_parent()
+	if not player_tagging_hashset.is_connected(other_player.id):
 		return
-	is_bumping.disconnect(_bump_check)
+	player_tagging_hashset.disconnect(other_player.id)
 
 
-func _on_tag_detection_body_entered(body):
-	if body.is_in_group("ground"):
-		print("fuck")
-		if not is_grounded.is_connected(body.grounded):
-			is_grounded.connect(body.grounded)
+func _on_ground_detection_node_entered(node: Node):
+	if node.is_in_group("ground"):
+		if not ground_touching_hashset.is_connected(node.get_tree):
+			ground_touching_hashset.connect(node.get_tree)
 
 
-func _on_tag_detection_body_exited(body):
-	if body.is_in_group("ground"):
-		if is_grounded.is_connected(body.grounded):
-			is_grounded.disconnect(body.grounded)
+func _on_ground_detection_node_exited(node: Node):
+	if node.is_in_group("ground"):
+		if ground_touching_hashset.is_connected(node.get_tree):
+			ground_touching_hashset.disconnect(node.get_tree)

player/player.glb.import

@@ -29,6 +29,13 @@ animation/fps=30
 animation/trimming=false
 animation/remove_immutable_tracks=true
 import_script/path=""
-_subresources={}
+_subresources={
+"materials": {
+"skin": {
+"use_external/enabled": true,
+"use_external/path": "res://player/player_color.tres"
+}
+}
+}
 gltf/naming_version=1
 gltf/embedded_image_handling=1

player/player.tscn

@@ -26,13 +26,20 @@ replication_config = SubResource("SceneReplicationConfig_u4bmc")
 shape = SubResource("SphereShape3D_t1htn")
 
 [node name="TagDetection" type="Area3D" parent="." index="3"]
-collision_layer = 8388608
-collision_mask = 8388608
+collision_layer = 8388609
+collision_mask = 8388609
 
 [node name="CollisionShape3D" type="CollisionShape3D" parent="TagDetection" index="0"]
 shape = SubResource("SphereShape3D_ylark")
 
+[node name="GroundDetection" type="Area3D" parent="." index="4"]
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="GroundDetection" index="0"]
+shape = SubResource("SphereShape3D_ylark")
+
 [connection signal="area_entered" from="TagDetection" to="." method="_on_tag_detection_area_entered"]
 [connection signal="area_exited" from="TagDetection" to="." method="_on_tag_detection_area_exited"]
-[connection signal="body_entered" from="TagDetection" to="." method="_on_tag_detection_body_entered"]
-[connection signal="body_exited" from="TagDetection" to="." method="_on_tag_detection_body_exited"]
+[connection signal="area_entered" from="GroundDetection" to="." method="_on_ground_detection_node_entered"]
+[connection signal="area_exited" from="GroundDetection" to="." method="_on_ground_detection_node_exited"]
+[connection signal="body_entered" from="GroundDetection" to="." method="_on_ground_detection_node_entered"]
+[connection signal="body_exited" from="GroundDetection" to="." method="_on_ground_detection_node_exited"]

player/player_color.gdshader

@@ -0,0 +1,8 @@
+shader_type spatial;
+
+instance uniform vec3 color : source_color;
+
+void fragment() {
+	ALBEDO = color;
+	// Called for every pixel the material is visible on.
+}

player/player_color.tres

@@ -0,0 +1,7 @@
+[gd_resource type="ShaderMaterial" load_steps=2 format=3 uid="uid://k5oba64lxvnw"]
+
+[ext_resource type="Shader" path="res://player/player_color.gdshader" id="1_mfu2j"]
+
+[resource]
+render_priority = 0
+shader = ExtResource("1_mfu2j")

project.godot

@@ -39,7 +39,11 @@ FmodManager="*res://addons/fmod/FmodManager.gd"
 
 [editor_plugins]
 
-enabled=PackedStringArray("res://addons/fmod/plugin.cfg", "res://addons/godot_gltf2meshlib-6391ec247cc04f5fe89243b24fad68bc2ed2a96b/addons/gltf2meshlib/plugin.cfg")
+enabled=PackedStringArray("res://addons/godot_gltf2meshlib-6391ec247cc04f5fe89243b24fad68bc2ed2a96b/addons/gltf2meshlib/plugin.cfg")
+
+[filesystem]
+
+import/fbx/enabled=false
 
 [input]
 

server/lobby.gd

@@ -1,3 +1,5 @@
+# Runs server side per game
+
 extends Node
 
 var port: int
@@ -10,7 +12,12 @@ func _ready():
 	peer.create_server(port, MAX_CLIENTS)
 	m.multiplayer_peer = peer
 	m.peer_connected.connect(peer_connected)
+	m.peer_disconnected.connect(peer_disconnected)
 
 func peer_connected(id: int):
 	print("Client " + str(id) + "connected to lobby " + str(get_path()))
 	$level.server_add_player(id)
+
+func peer_disconnected(id: int):
+	print("Client " + str(id) + "disconnected to lobby " + str(get_path()))
+	$level.server_remove_player(id)

server/lobby_list.gd

@@ -6,8 +6,8 @@ signal join_lobby(addr: String, port: int)
 func add(port: int):
 	var lobby_button := preload("res://server/lobby_list_entry.tscn").instantiate()
 	var addr := "127.0.0.1"
-	var peer := (multiplayer.multiplayer_peer as ENetMultiplayerPeer).get_peer(1)
-	if peer != null:
+	if not multiplayer.is_server():
+		var peer := (multiplayer.multiplayer_peer as ENetMultiplayerPeer).get_peer(1)
 		addr = peer.get_remote_address()
 	lobby_button.address = addr
 	lobby_button.port = port

server/overview.txt

@@ -1,4 +1,3 @@
 Two types of servers / clients
-One for lobby management and one for actual game
-server.gd and client_lobbies.gd handle the former
-and lobby.gd and client.gd handle the latter
+server.gd and client_lobbies.gd handle lobby management
+and lobby.gd and client.gd handle the actual game

tests/foo.tscn

@@ -1,8 +1,30 @@
-[gd_scene load_steps=2 format=3 uid="uid://3ksclx7iiepo"]
+[gd_scene load_steps=3 format=3 uid="uid://3ksclx7iiepo"]
+
+[sub_resource type="GDScript" id="GDScript_tqnee"]
+script/source = "extends Node3D
+
+var stuff := Dictionary()
+signal more_stuff
+
+func _ready():
+	var v := Node.new()
+	stuff[v] = null
+	more_stuff.connect(v.get_tree)
+	v.free()
+	await Engine.get_main_loop().process_frame
+	print(stuff.keys())
+	print(more_stuff.get_connections())
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta):
+	pass
+"
 
 [sub_resource type="MeshLibrary" id="MeshLibrary_8y7oa"]
 
 [node name="Foo" type="Node3D"]
+script = SubResource("GDScript_tqnee")
 
 [node name="GridMap" type="GridMap" parent="."]
 mesh_library = SubResource("MeshLibrary_8y7oa")