physical_bone_2d.h

/**************************************************************************/
/*  physical_bone_2d.h                                                    */
/**************************************************************************/
/*                         This file is part of:                          */
/*                             GODOT ENGINE                               */
/*                        https://godotengine.org                         */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
/*                                                                        */
/* Permission is hereby granted, free of charge, to any person obtaining  */
/* a copy of this software and associated documentation files (the        */
/* "Software"), to deal in the Software without restriction, including    */
/* without limitation the rights to use, copy, modify, merge, publish,    */
/* distribute, sublicense, and/or sell copies of the Software, and to     */
/* permit persons to whom the Software is furnished to do so, subject to  */
/* the following conditions:                                              */
/*                                                                        */
/* The above copyright notice and this permission notice shall be         */
/* included in all copies or substantial portions of the Software.        */
/*                                                                        */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
/**************************************************************************/

#pragma once

#include "scene/2d/physics/rigid_body_2d.h"
#include "scene/2d/skeleton_2d.h"

class Joint2D;

class PhysicalBone2D : public RigidBody2D {
	GDCLASS(PhysicalBone2D, RigidBody2D);

protected:
	void _notification(int p_what);
	static void _bind_methods();

private:
	Skeleton2D *parent_skeleton = nullptr;
	int bone2d_index = -1;
	NodePath bone2d_nodepath;
	bool follow_bone_when_simulating = false;

	Joint2D *child_joint = nullptr;
	bool auto_configure_joint = true;

	bool simulate_physics = false;
	bool _internal_simulate_physics = false;

	void _find_skeleton_parent();
	void _find_joint_child();
	void _auto_configure_joint();

	void _start_physics_simulation();
	void _stop_physics_simulation();
	void _position_at_bone2d();

public:
	Joint2D *get_joint() const;
	bool get_auto_configure_joint() const;
	void set_auto_configure_joint(bool p_auto_configure);

	void set_simulate_physics(bool p_simulate);
	bool get_simulate_physics() const;
	bool is_simulating_physics() const;

	void set_bone2d_nodepath(const NodePath &p_nodepath);
	NodePath get_bone2d_nodepath() const;
	void set_bone2d_index(int p_bone_idx);
	int get_bone2d_index() const;
	void set_follow_bone_when_simulating(bool p_follow);
	bool get_follow_bone_when_simulating() const;

	PackedStringArray get_configuration_warnings() const override;

	PhysicalBone2D();
	~PhysicalBone2D();
};