only mark interactive for yourself

src/ingame/player.gd

@@ -55,16 +55,16 @@ func _process(_delta: float) -> void:
 
 func _physics_process(delta: float) -> void:
 	## Process interactivity selection.
-	var collider: Object = null
-	if _line_of_sight.is_colliding():
-		collider = _line_of_sight.get_collider(0)
-	if collider != _interaction_selection:
-		if _interaction_selection != null:
-			_interaction_selection.get_parent().mark_non_interactive()
-		if collider != null:
-			collider.get_parent().mark_interactive()
-	_interaction_selection = collider
-
+	if id == multiplayer.get_unique_id():
+		var collider: Object = null
+		if _line_of_sight.is_colliding():
+			collider = _line_of_sight.get_collider(0)
+		if collider != _interaction_selection:
+			if _interaction_selection != null:
+				_interaction_selection.get_parent().mark_non_interactive()
+			if collider != null:
+				collider.get_parent().mark_interactive()
+		_interaction_selection = collider
 
 	# Add the gravity.
 	if not is_on_floor():

src/ingame/water_bomb.gd

@@ -52,7 +52,7 @@ func _on_body_entered(p_body: Node3D) -> void:
 	_model.hide()
 	_picking_area.collision_layer = 0
 	_disable_body.rpc()
-	
+	_picking_area.collision_layer = 0
 	await _splash_small_sound.finished
 	if _splash_small_quiet_sound.playing:
 		await _splash_small_quiet_sound.finished