godot/editor/plugins/skeleton_ik_3d_editor_plugin.cpp

/*************************************************************************/
/*  skeleton_ik_3d_editor_plugin.cpp                                     */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md).   */
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#include "skeleton_ik_3d_editor_plugin.h"

#include "scene/3d/skeleton_ik_3d.h"

void SkeletonIK3DEditorPlugin::_play() {

	if (!skeleton_ik)
		return;

	if (!skeleton_ik->get_parent_skeleton())
		return;

	if (play_btn->is_pressed()) {
		skeleton_ik->start();
	} else {
		skeleton_ik->stop();
		skeleton_ik->get_parent_skeleton()->clear_bones_global_pose_override();
	}
}

void SkeletonIK3DEditorPlugin::edit(Object *p_object) {

	if (p_object != skeleton_ik) {
		if (skeleton_ik) {
			play_btn->set_pressed(false);
			_play();
		}
	}

	SkeletonIK3D *s = Object::cast_to<SkeletonIK3D>(p_object);
	if (!s)
		return;

	skeleton_ik = s;
}

bool SkeletonIK3DEditorPlugin::handles(Object *p_object) const {

	return p_object->is_class("SkeletonIK3D");
}

void SkeletonIK3DEditorPlugin::make_visible(bool p_visible) {

	if (p_visible)
		play_btn->show();
	else
		play_btn->hide();
}

void SkeletonIK3DEditorPlugin::_bind_methods() {
}

SkeletonIK3DEditorPlugin::SkeletonIK3DEditorPlugin(EditorNode *p_node) {

	editor = p_node;
	play_btn = memnew(Button);
	play_btn->set_icon(editor->get_gui_base()->get_theme_icon("Play", "EditorIcons"));
	play_btn->set_text(TTR("Play IK"));
	play_btn->set_toggle_mode(true);
	play_btn->hide();
	play_btn->connect("pressed", callable_mp(this, &SkeletonIK3DEditorPlugin::_play));
	add_control_to_container(CONTAINER_SPATIAL_EDITOR_MENU, play_btn);
	skeleton_ik = nullptr;
}

SkeletonIK3DEditorPlugin::~SkeletonIK3DEditorPlugin() {}