/**************************************************************************/
/*  two_bone_ik_3d_gizmo_plugin.h                                         */
/**************************************************************************/
/*                         This file is part of:                          */
/*                             GODOT ENGINE                               */
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
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/* "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     */
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#pragma once

#include "editor/plugins/editor_plugin.h"
#include "editor/scene/3d/node_3d_editor_plugin.h"
#include "scene/3d/two_bone_ik_3d.h"

#include "scene/resources/surface_tool.h"

class TwoBoneIK3DGizmoPlugin : public EditorNode3DGizmoPlugin {
	GDCLASS(TwoBoneIK3DGizmoPlugin, EditorNode3DGizmoPlugin);

	struct SelectionMaterials {
		Ref<StandardMaterial3D> unselected_mat;
		Ref<ShaderMaterial> selected_mat;
	};
	static SelectionMaterials selection_materials;

public:
	static Ref<ArrayMesh> get_joints_mesh(Skeleton3D *p_skeleton, TwoBoneIK3D *p_ik, bool p_is_selected);
	static void draw_line(Ref<SurfaceTool> &p_surface_tool, const Vector3 &p_begin_pos, const Vector3 &p_end_pos, const Color &p_color);
	static void draw_arrow(Ref<SurfaceTool> &p_surface_tool, const Vector3 &p_origin, const Vector3 &p_direction, real_t p_length, const Color &p_color);

	bool has_gizmo(Node3D *p_spatial) override;
	String get_gizmo_name() const override;
	int get_priority() const override;

	void redraw(EditorNode3DGizmo *p_gizmo) override;

	TwoBoneIK3DGizmoPlugin();
	~TwoBoneIK3DGizmoPlugin();
};
