P3 bear: one bear per island raids unattended food, palisades and closed huts keep it out, warns then charges, hide/fat/meat, fur rug (Cozy), death saved (protocol 8)

scripts/building/campfire.gd

@@ -63,7 +63,7 @@ func add_fuel(seconds: float) -> void:
 	_set_lit(true)
 
 func interact_prompt(player: Node) -> String:
-	var has_fuel: bool = player.inventory.count("wood") + player.inventory.count("stick") > 0
+	var has_fuel: bool = player.inventory.count("wood") + player.inventory.count("stick") + player.inventory.count("bear_fat") > 0
 	if _lit:
 		var left := "%d:%02d" % [int(fuel) / 60, int(fuel) % 60]
 		var hiss := ", hissing in the rain" if burn_rate() > 1.2 else ""

scripts/building/rug.gd

@@ -0,0 +1,22 @@
+extends "res://scripts/building/piece.gd"
+## Fur rug: a bearskin on the floor. In a sheltered room it makes you Cozy
+## (survival.gd): a little warmer, and Rested twice as fast. Flat, so you
+## walk over it (it's only on the interactables layer, for X to take it up).
+
+const COZY_RADIUS := 4.0
+
+func _make_collision(mi: MeshInstance3D) -> void:
+	var aabb := mi.mesh.get_aabb()
+	var cs := CollisionShape3D.new()
+	var box := BoxShape3D.new()
+	box.size = Vector3(aabb.size.x, 0.06, aabb.size.z)
+	cs.shape = box
+	cs.position = Vector3(aabb.get_center().x, 0.03, aabb.get_center().z)
+	add_child(cs)
+	collision_layer = 2
+
+func _build() -> void:
+	add_to_group("rug")
+
+func interact_prompt(_player: Node) -> String:
+	return "Fur rug (cozy in a sheltered room)"