Use _unhandled_input to control character so it won't interfere with UI coming on top

project/blocky_terrain/avatar_interaction.gd

@@ -80,7 +80,7 @@ func _physics_process(delta):
 	_action_remove = false
 
 
-func _input(event):
+func _unhandled_input(event):
 	if event is InputEventMouseButton:
 		if event.pressed:
 			match event.button_index:

project/blocky_terrain/character_avatar.tscn

@@ -55,6 +55,7 @@ material/0 = null
 [node name="CenterContainer" type="CenterContainer" parent="."]
 anchor_right = 1.0
 anchor_bottom = 1.0
+mouse_filter = 2
 __meta__ = {
 "_edit_use_anchors_": false
 }
@@ -64,4 +65,5 @@ margin_left = 504.0
 margin_top = 292.0
 margin_right = 520.0
 margin_bottom = 308.0
+mouse_filter = 2
 texture = ExtResource( 4 )

project/common/mouse_look.gd

@@ -1,4 +1,3 @@
-
 extends Spatial
 
 export var sensitivity = 0.4
@@ -18,7 +17,7 @@ func _ready():
 		Input.set_mouse_mode(Input.MOUSE_MODE_CAPTURED)
 
 
-func _input(event):
+func _unhandled_input(event):
 	if event is InputEventMouseButton:
 		if event.pressed and Input.get_mouse_mode() != Input.MOUSE_MODE_CAPTURED:
 			if capture_mouse: