#ifndef BONE_ATTACHMENT_H
#define BONE_ATTACHMENT_H
/*************************************************************************/
/*  bone_attachment.h                                                    */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
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/*************************************************************************/

#include "skeleton.h"

class BoneAttachment : public Spatial {
	GDCLASS(BoneAttachment, Spatial);

public:
	void set_bone_name(const String &p_name);
	String get_bone_name() const;

	void set_bone_idx(const int p_idx);
	int get_bone_idx() const;

	void set_override_pose(bool p_override);
	bool get_override_pose() const;

	void set_override_mode(int p_mode);
	int get_override_mode() const;

	void set_use_external_skeleton(bool p_external_skeleton);
	bool get_use_external_skeleton() const;
	
	void set_external_skeleton(NodePath p_skeleton);
	NodePath get_external_skeleton() const;

	virtual void on_bone_pose_update(int p_bone_index);

	String get_configuration_warning() const;

	BoneAttachment();

protected:
	void _notification(int p_what);

	void _validate_property(PropertyInfo &property) const;
	bool _get(const StringName &p_path, Variant &r_ret) const;
	bool _set(const StringName &p_path, const Variant &p_value);
	void _get_property_list(List<PropertyInfo> *p_list) const;

	static void _bind_methods();

private:
	void _check_bind();
	void _check_unbind();

	void _transform_changed();
	void _update_external_skeleton_cache();
	Skeleton *_get_skeleton();

private:
	enum OVERRIDE_MODES {
		MODE_GLOBAL_POSE,
		MODE_LOCAL_POSE,
	};

	bool bound;
	String bone_name;
	int bone_idx;

	bool override_pose;
	int override_mode;
	bool _override_dirty;

	bool use_external_skeleton = false;
	NodePath external_skeleton_node;
	ObjectID external_skeleton_node_cache;
};

#endif // BONE_ATTACHMENT_H