Set worldspawn to just layer 3, add func_throughshootable

godot/maps/entities/func_throughshootable.tres

@@ -0,0 +1,12 @@
+[gd_resource type="Resource" script_class="FuncGodotFGDSolidClass" format=3 uid="uid://ppwmhibt413x"]
+
+[ext_resource type="Script" uid="uid://5cow84q03m6a" path="res://addons/func_godot/src/fgd/func_godot_fgd_solid_class.gd" id="1_5exb4"]
+
+[resource]
+script = ExtResource("1_5exb4")
+collision_layer = 32
+collision_mask = 0
+classname = "func_throughshootable"
+description = "Otherwise like a regular worldspawn brush, but can be shot through. Generally useful for e.g. grates / fences."
+node_class = "StaticBody3D"
+metadata/_custom_type_script = "uid://5cow84q03m6a"

godot/maps/entities/worldspawn.tres

@@ -8,8 +8,8 @@
 script = ExtResource("3_1j1n5")
 spawn_type = 0
 origin_type = 1
-collision_layer = 7
-collision_mask = 7
+collision_layer = 4
+collision_mask = 0
 classname = "worldspawn"
 description = "Default static world geometry. Builds a StaticBody3D with a single MeshInstance3D and a single convex CollisionShape3D shape."
 base_classes = Array[Resource]([ExtResource("1_8jhri"), ExtResource("2_ym5kh")])

godot/maps/meta/map_entity_defs.tres

@@ -7,10 +7,11 @@
 [ext_resource type="Resource" uid="uid://bm5nw7wckpjqp" path="res://maps/entities/info_goal.tres" id="4_x6tyy"]
 [ext_resource type="Resource" uid="uid://btmowkranpsd8" path="res://maps/entities/func_killbox.tres" id="5_t5oe3"]
 [ext_resource type="Resource" uid="uid://dps4b2wkpjfgo" path="res://maps/entities/item_health.tres" id="6_qvuam"]
+[ext_resource type="Resource" uid="uid://ppwmhibt413x" path="res://maps/entities/func_throughshootable.tres" id="7_2s17x"]
 
 [resource]
 script = ExtResource("2_2w5ia")
 fgd_name = "SkullBall"
 base_fgd_files = Array[Resource]([ExtResource("1_j17uj")])
-entity_definitions = Array[Resource]([ExtResource("1_fkacr"), ExtResource("3_qwe78"), ExtResource("4_x6tyy"), ExtResource("5_t5oe3"), ExtResource("6_qvuam")])
+entity_definitions = Array[Resource]([ExtResource("1_fkacr"), ExtResource("3_qwe78"), ExtResource("4_x6tyy"), ExtResource("5_t5oe3"), ExtResource("6_qvuam"), ExtResource("7_2s17x")])
 metadata/_custom_type_script = "uid://drlmgulwbjwqu"