Updated code for a new Godot version

Game/Assets/Audio/SoundPlayer.gd

@@ -109,7 +109,7 @@ func pick_random():
 	assert(len(clips) > 0, "SoundPlayer has no clips to choose from")
 	return randi() % len(clips)
 
-@rpc(sync, any, reliable) func play():
+@rpc(call_local, any_peer, reliable) func play():
 	
 	# temporary
 	$AudioStreamPlayer3D.play()

Game/Assets/Characters/Player.gd

@@ -120,7 +120,7 @@ var last_viewed_banner = null
 func view_banner(show:bool):
 	focus_banner_show = show
 
-@rpc(nosync, reliable, auth) func focus_banner(show:bool, type:=0 ):
+@rpc(authority, reliable) func focus_banner(show:bool, type:=0 ):
 	if show:
 		$FocusBanner.show()
 	else:
@@ -131,13 +131,13 @@ func view_banner(show:bool):
 		1: $FocusBanner.mesh.surface_get_material(0).set("albedo_texture", banner_chat)
 	
 
-@rpc(auth, nosync,unreliable) func update_movement(player_transform, head_rotation, lin_velocity, jetpack):
+@rpc(authority, unreliable) func update_movement(player_transform, head_rotation, lin_velocity, jetpack):
 	global_transform = player_transform
 	head.set_rotation(head_rotation)
 	jetpack_active = jetpack
-	linear_velocity = lin_velocity
+	motion_velocity = lin_velocity
 
-@rpc(any, sync, reliable) func set_dead(is_dead: bool):
+@rpc(any_peer, call_local, reliable) func set_dead(is_dead: bool):
 	#print("Recieved RPC call for set_dead ", is_dead)
 	self.dead = is_dead
 	
@@ -276,7 +276,7 @@ func _process(delta):
 	# weapon spread
 	weapon.spread = max(lerp(weapon.spread, weapon.spread_min, weapon.spread_lerp), weapon.spread_min)
 
-@rpc(sync, any, reliable) func moan():
+@rpc(call_local, any_peer, reliable) func moan():
 	var anims = ["01", "02", "03", "04"]
 	$Pain.play(anims[randi() % 4])
 
@@ -284,7 +284,7 @@ func damage(hp: int):
 	var target = main.player_list.players[self.get_multiplayer_authority()]
 	target.health -= hp
 
-@rpc(any, sync, reliable) func die(killer_pid: int):
+@rpc(any_peer, call_local, reliable) func die(killer_pid: int):
 	var gibs = gibs_vfx.instantiate()
 	get_tree().root.add_child(gibs)
 	gibs.global_transform = self.global_transform
@@ -317,7 +317,7 @@ func update_color(color) -> void: #change player's wolrldmodel color
 
 func _physics_process(delta):
 	if dead: # workaround for Godot player destruction crash
-		linear_velocity = Vector3.ZERO
+		motion_velocity = Vector3.ZERO
 		return
 	
 	if not is_multiplayer_authority():
@@ -373,15 +373,15 @@ func _physics_process(delta):
 	
 	velocity = velocity.lerp(direction * speed, accel * delta)
 	
-	linear_velocity = velocity + gravity_vec
+	motion_velocity = velocity + gravity_vec
 	move_and_slide()
 	
 	if not is_on_floor() and not ground_check.is_colliding(): # while in mid-air collisions affect momentum
-		velocity.x = linear_velocity.x
-		velocity.z = linear_velocity.z
-		gravity_vec.y = linear_velocity.y
+		velocity.x = motion_velocity.x
+		velocity.z = motion_velocity.z
+		gravity_vec.y = motion_velocity.y
 	
-	rpc(&'update_movement', global_transform, head.get_rotation(), linear_velocity, jetpack_active)
+	rpc(&'update_movement', global_transform, head.get_rotation(), motion_velocity, jetpack_active)
 	
 	# (stair) climbing
 	#   ↓ disabled - Tween is undergoing redesign in Godot 4

Game/Assets/HUD/Chat.gd

@@ -52,7 +52,7 @@ func _unhandled_input(_event) -> void:
 		get_tree().get_root().set_input_as_handled()
 
 # doesn't work over network due to missing RPC implementation in Godot 4
-@rpc(sync, any, reliable) func chat_message(sender_pid: int, recipient_team, message: String) -> void:
+@rpc(call_local, any_peer, reliable) func chat_message(sender_pid: int, recipient_team, message: String) -> void:
 	var sender_info = main.player_list.get(sender_pid)
 	chat_history.append_text('\n' + '[b][color=' + sender_info.color.to_html() +']' + str(sender_info.name) + '[/color][/b] : [i]' + message + '[/i]')
 	$Message.play()

Game/Assets/Weapons/Weapon.gd

@@ -27,7 +27,7 @@ var spread = spread_min
 
 #enum Trigger {TRIGGER_PRIMARY, TRIGGER_SECONDARY}
 
-@rpc(any, sync, reliable) func shoot(spread_offset:=Vector3.ZERO):
+@rpc(any_peer, call_local, reliable) func shoot(spread_offset:=Vector3.ZERO):
 	
 	var space_state = get_world_3d().direct_space_state
 	
@@ -54,8 +54,8 @@ var spread = spread_min
 	var casing_instance = casing.instantiate()
 	get_tree().root.add_child(casing_instance)
 
-	casing_instance.global_transform = ejector.global_transform.translated(player.linear_velocity / 60) #approximating delta
-	casing_instance.linear_velocity = ejector.global_transform.basis[1] * randf_range(3.2, 4.5) + (player.linear_velocity / 2)
+	casing_instance.global_transform = ejector.global_transform.translated(player.motion_velocity / 60) #approximating delta
+	casing_instance.linear_velocity = ejector.global_transform.basis[1] * randf_range(3.2, 4.5) + (player.motion_velocity / 2)
 	casing_instance.angular_velocity.y += randf_range(-10, 10)
 	casing_instance.angular_velocity.x += randf_range(-10, 10)
 	

Game/Main.gd

@@ -13,7 +13,7 @@ var peer = ENetMultiplayerPeer.new()
 var role = MultiplayerRole.NONE:
 	set(new_role):
 		role = new_role
-		print("Multiplayer Role changed to ", MultiplayerRole.keys()[new_role])
+#		print("Multiplayer Role changed to ", MultiplayerRole.keys()[new_role])
 
 var player_scene = preload("res://Assets/Characters/Player.tscn")
 
@@ -80,6 +80,8 @@ const destroy_free_player_crash_workaround = true
 func _process(delta):
 	uptime += delta
 	
+	#print($GUI.settings)
+	
 	$Label.text = "player_list: \n"
 	for i in player_list.players.keys():
 		if player_list.players[i]:
@@ -137,6 +139,7 @@ class PlayerList:
 
 var focus:GameFocus:
 	set(new_focus):
+#		print("Focus set to ", new_focus)
 		if local_player != null:
 			assert(local_player != null, "local_player is not null but it is null, WTF?!")
 			match new_focus:
@@ -169,15 +172,17 @@ func _input(_event) -> void:
 	if Input.is_action_just_pressed("ui_cancel"):
 		if focus == GameFocus.GAME:
 			focus = GameFocus.MENU
+			#get_tree().root.set_input_as_handled()
 		elif focus == GameFocus.MENU:
 			focus = GameFocus.GAME
+			#get_tree().root.set_input_as_handled()
 	
 	if Input.is_action_just_pressed("show_scoretab"):
 		hud.scoretab(true)
 	elif Input.is_action_just_released("show_scoretab"):
 		hud.scoretab(false)
 
-@rpc(any, sync, reliable) func game_over(winner):
+@rpc(any_peer, call_local, reliable) func game_over(winner):
 	if local_player:
 		local_player.rpc(&'set_dead', true)
 		hud.game_over(winner)
@@ -236,7 +241,7 @@ func update_hud():
 	else:
 		hud.get_node("ScoreRank").text	+= str(rank) + "\nGAP: " + str(-lead)
 
-@rpc(any, reliable) func player_list_update(info, pid = get_tree().get_rpc_sender_id(), erase:=false):
+@rpc(any_peer, reliable) func player_list_update(info, pid = get_tree().get_rpc_sender_id(), erase:=false):
 	if erase:
 		player_list.erase(pid)
 	
@@ -265,7 +270,7 @@ func push_local_player_info(): #
 	var pid = get_tree().multiplayer.get_unique_id()
 	rpc(&'player_list_update', player_list.get(pid).serialize(), pid)
 
-@rpc(sync, any, reliable) func destroy_player(pid: int):
+@rpc(call_local, any_peer, reliable) func destroy_player(pid: int):
 	print("DESTROY_PLAYER called on ", get_tree().multiplayer.get_unique_id(), " by ", get_tree().multiplayer.get_remote_sender_id(), " regarding ", pid)
 	
 	#assert($Players.has_node(str(pid)), "Attempting to destroy a player that does not exist")
@@ -485,3 +490,7 @@ func change_player_name(player_name):
 	if get_tree().multiplayer.has_multiplayer_peer():
 		player_list.players[get_tree().multiplayer.get_unique_id()].name = player_name
 		push_local_player_info()
+
+
+func _on_Disconnect_pressed():
+	get_tree().multiplayer.multiplayer_peer = null