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godotengine
GitHub Repository: godotengine/godot
 Path: blob/master/scene/resources/2d/skeleton/skeleton_modification_2d_twoboneik.h
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/**************************************************************************/

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/*  skeleton_modification_2d_twoboneik.h                                  */

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/**************************************************************************/

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/*                         This file is part of:                          */

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/*                             GODOT ENGINE                               */

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/*                        https://godotengine.org                         */

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/**************************************************************************/

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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */

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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */

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/*                                                                        */

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/* Permission is hereby granted, free of charge, to any person obtaining  */

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/* a copy of this software and associated documentation files (the        */

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/* "Software"), to deal in the Software without restriction, including    */

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/* without limitation the rights to use, copy, modify, merge, publish,    */

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/* distribute, sublicense, and/or sell copies of the Software, and to     */

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/* permit persons to whom the Software is furnished to do so, subject to  */

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/* the following conditions:                                              */

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/*                                                                        */

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/* The above copyright notice and this permission notice shall be         */

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/* included in all copies or substantial portions of the Software.        */

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/*                                                                        */

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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */

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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */

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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */

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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */

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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */

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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */

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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */

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/**************************************************************************/

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#pragma once

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

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#include "scene/resources/2d/skeleton/skeleton_modification_2d.h"

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///////////////////////////////////////

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// SkeletonModification2DJIGGLE

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///////////////////////////////////////

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class SkeletonModification2DTwoBoneIK : public SkeletonModification2D {

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	GDCLASS(SkeletonModification2DTwoBoneIK, SkeletonModification2D);

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private:

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	NodePath target_node;

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	ObjectID target_node_cache;

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	float target_minimum_distance = 0;

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	float target_maximum_distance = 0;

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	bool flip_bend_direction = false;

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	NodePath joint_one_bone2d_node;

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	ObjectID joint_one_bone2d_node_cache;

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	int joint_one_bone_idx = -1;

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	NodePath joint_two_bone2d_node;

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	ObjectID joint_two_bone2d_node_cache;

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	int joint_two_bone_idx = -1;

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#ifdef TOOLS_ENABLED

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	bool editor_draw_min_max = false;

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#endif // TOOLS_ENABLED

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	void update_target_cache();

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	void update_joint_one_bone2d_cache();

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	void update_joint_two_bone2d_cache();

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protected:

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	static void _bind_methods();

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	bool _get(const StringName &p_path, Variant &r_ret) const;

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	bool _set(const StringName &p_path, const Variant &p_value);

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	void _get_property_list(List<PropertyInfo> *p_list) const;

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public:

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	void _execute(float p_delta) override;

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	void _setup_modification(SkeletonModificationStack2D *p_stack) override;

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	void _draw_editor_gizmo() override;

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	void set_target_node(const NodePath &p_target_node);

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	NodePath get_target_node() const;

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	void set_target_minimum_distance(float p_minimum_distance);

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	float get_target_minimum_distance() const;

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	void set_target_maximum_distance(float p_maximum_distance);

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	float get_target_maximum_distance() const;

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	void set_flip_bend_direction(bool p_flip_direction);

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	bool get_flip_bend_direction() const;

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	void set_joint_one_bone2d_node(const NodePath &p_node);

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	NodePath get_joint_one_bone2d_node() const;

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	void set_joint_one_bone_idx(int p_bone_idx);

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	int get_joint_one_bone_idx() const;

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	void set_joint_two_bone2d_node(const NodePath &p_node);

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	NodePath get_joint_two_bone2d_node() const;

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	void set_joint_two_bone_idx(int p_bone_idx);

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	int get_joint_two_bone_idx() const;

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#ifdef TOOLS_ENABLED

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	void set_editor_draw_min_max(bool p_draw);

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	bool get_editor_draw_min_max() const;

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#endif // TOOLS_ENABLED

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	SkeletonModification2DTwoBoneIK();

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	~SkeletonModification2DTwoBoneIK();

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};

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