feat: shared creature root, enemy definitions, defend duty, and player downing

player/player.gd

@@ -25,6 +25,11 @@ func _ready() -> void:
 
 
 func _physics_process(delta: float) -> void:
+	if _is_player_downed():
+		velocity.x = move_toward(velocity.x, 0.0, acceleration * delta)
+		velocity.z = move_toward(velocity.z, 0.0, acceleration * delta)
+		move_and_slide()
+		return
 	var input := Input.get_vector("move_left", "move_right", "move_forward", "move_backward")
 
 	var forward := -camera_rig.global_transform.basis.z
@@ -55,6 +60,14 @@ func _physics_process(delta: float) -> void:
 		rotation.y = lerp_angle(rotation.y, target_angle, rotation_speed * delta)
 
 
+func _is_player_downed() -> bool:
+	return (
+		simulation_manager != null
+		and simulation_manager.has_method("player_is_downed")
+		and simulation_manager.player_is_downed()
+	)
+
+
 func _unhandled_input(event: InputEvent) -> void:
 	if event.is_action_pressed("interact"):
 		try_interact()