@tool

class_name ShootingModifier
extends SkeletonModifier3D

@export var look_raycast: RayCast3D
@export var aim_raycast: RayCast3D

@export_enum(" ") var bone: String
@export var shooting: bool = false

func _validate_property(property: Dictionary) -> void:
	if property.name == "bone":
		var skeleton: Skeleton3D = get_skeleton()
		if skeleton:
			property.hint = PROPERTY_HINT_ENUM
			property.hint_string = skeleton.get_concatenated_bone_names()

func _process_modification() -> void:
	var skeleton: Skeleton3D = get_skeleton()
	if !skeleton:
		return
	var bone_idx: int = skeleton.find_bone(bone)
	if bone_idx == -1:
		return

	var target_position = look_raycast.get_collision_point() if look_raycast.is_colliding() else look_raycast.global_transform.origin + - look_raycast.global_transform.basis.z * 30
	var target_position_local = to_local(target_position)
	#aim_raycast.= target_position

	var bone_pose = skeleton.get_bone_global_pose(bone_idx)
	#print(new_basis)

	#skeleton.set_bone_global_pose(bone_idx, Transform3D(bone_pose.basis, bone_pose.origin + Vector3(0, 0, 1)))
	var gun_position = aim_raycast.global_transform.origin
	var gun_direction = (target_position - gun_position).normalized()
	if shooting:
		var new_pose = bone_pose.looking_at(target_position_local, Vector3.FORWARD, true)
		var new_basis: Basis
		new_basis.y = new_pose.basis.z
		#new_basis.y.y = -new_basis.y.y
		new_basis.z = new_pose.basis.x
		new_basis.x = new_pose.basis.y
		new_pose.basis = new_basis

		skeleton.set_bone_global_pose(bone_idx, new_pose)


func z_and_y_inverse(v : Vector3) -> Vector3 :
	var tmp: float = v.x
	v.x = v.y
	v.y = tmp
	return v