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/**************************************************************************/
/* skeleton_editor_plugin.cpp */
/**************************************************************************/
/* 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. */
/**************************************************************************/
#include "skeleton_editor_plugin.h"
#include "scene/3d/collision_shape.h"
#include "scene/3d/physics_body.h"
#include "scene/3d/physics_joint.h"
#include "scene/resources/capsule_shape.h"
#include "scene/resources/sphere_shape.h"
#include "spatial_editor_plugin.h"
void SkeletonEditor::_on_click_option(int p_option) {
if (!skeleton) {
return;
}
switch (p_option) {
case MENU_OPTION_CREATE_PHYSICAL_SKELETON: {
create_physical_skeleton();
} break;
}
}
void SkeletonEditor::create_physical_skeleton() {
UndoRedo *ur = EditorNode::get_singleton()->get_undo_redo();
Node *owner = get_tree()->get_edited_scene_root();
const int bc = skeleton->get_bone_count();
if (!bc) {
return;
}
Vector<BoneInfo> bones_infos;
bones_infos.resize(bc);
for (int bone_id = 0; bc > bone_id; ++bone_id) {
const int parent = skeleton->get_bone_parent(bone_id);
if (parent < 0) {
bones_infos.write[bone_id].relative_rest = skeleton->get_bone_rest(bone_id);
} else {
const int parent_parent = skeleton->get_bone_parent(parent);
bones_infos.write[bone_id].relative_rest = bones_infos[parent].relative_rest * skeleton->get_bone_rest(bone_id);
/// create physical bone on parent
if (!bones_infos[parent].physical_bone) {
bones_infos.write[parent].physical_bone = create_physical_bone(parent, bone_id, bones_infos);
ur->create_action(TTR("Create physical bones"), UndoRedo::MERGE_ALL);
ur->add_do_method(skeleton, "add_child", bones_infos[parent].physical_bone);
ur->add_do_reference(bones_infos[parent].physical_bone);
ur->add_undo_method(skeleton, "remove_child", bones_infos[parent].physical_bone);
ur->commit_action();
bones_infos[parent].physical_bone->set_bone_name(skeleton->get_bone_name(parent));
bones_infos[parent].physical_bone->set_owner(owner);
bones_infos[parent].physical_bone->get_child(0)->set_owner(owner); // set shape owner
/// Create joint between parent of parent
if (-1 != parent_parent) {
bones_infos[parent].physical_bone->set_joint_type(PhysicalBone::JOINT_TYPE_PIN);
}
}
}
}
}
PhysicalBone *SkeletonEditor::create_physical_bone(int bone_id, int bone_child_id, const Vector<BoneInfo> &bones_infos) {
const Transform child_rest = skeleton->get_bone_rest(bone_child_id);
real_t half_height(child_rest.origin.length() * 0.5);
real_t radius(half_height * 0.2);
CapsuleShape *bone_shape_capsule = memnew(CapsuleShape);
bone_shape_capsule->set_height((half_height - radius) * 2);
bone_shape_capsule->set_radius(radius);
CollisionShape *bone_shape = memnew(CollisionShape);
bone_shape->set_shape(bone_shape_capsule);
Transform capsule_transform;
bone_shape->set_transform(capsule_transform);
Vector3 up = Vector3(0, 1, 0);
if (up.cross(child_rest.origin).is_zero_approx()) {
up = Vector3(0, 0, 1);
}
Transform body_transform;
body_transform.set_look_at(Vector3(0, 0, 0), child_rest.origin, up);
body_transform.origin = body_transform.basis.xform(Vector3(0, 0, -half_height));
Transform joint_transform;
joint_transform.origin = Vector3(0, 0, half_height);
PhysicalBone *physical_bone = memnew(PhysicalBone);
physical_bone->add_child(bone_shape);
physical_bone->set_name("Physical Bone " + skeleton->get_bone_name(bone_id));
physical_bone->set_body_offset(body_transform);
physical_bone->set_joint_offset(joint_transform);
return physical_bone;
}
void SkeletonEditor::edit(Skeleton *p_node) {
skeleton = p_node;
}
void SkeletonEditor::_notification(int p_what) {
if (p_what == NOTIFICATION_ENTER_TREE) {
get_tree()->connect("node_removed", this, "_node_removed");
}
}
void SkeletonEditor::_node_removed(Node *p_node) {
if (p_node == skeleton) {
skeleton = nullptr;
options->hide();
}
}
void SkeletonEditor::_bind_methods() {
ClassDB::bind_method("_on_click_option", &SkeletonEditor::_on_click_option);
ClassDB::bind_method("_node_removed", &SkeletonEditor::_node_removed);
}
SkeletonEditor::SkeletonEditor() {
skeleton = nullptr;
options = memnew(MenuButton);
SpatialEditor::get_singleton()->add_control_to_menu_panel(options);
options->set_text(TTR("Skeleton"));
options->set_icon(EditorNode::get_singleton()->get_gui_base()->get_icon("Skeleton", "EditorIcons"));
options->get_popup()->add_item(TTR("Create physical skeleton"), MENU_OPTION_CREATE_PHYSICAL_SKELETON);
options->get_popup()->connect("id_pressed", this, "_on_click_option");
options->hide();
}
SkeletonEditor::~SkeletonEditor() {}
void SkeletonEditorPlugin::edit(Object *p_object) {
skeleton_editor->edit(Object::cast_to<Skeleton>(p_object));
}
bool SkeletonEditorPlugin::handles(Object *p_object) const {
return p_object->is_class("Skeleton");
}
void SkeletonEditorPlugin::make_visible(bool p_visible) {
if (p_visible) {
skeleton_editor->options->show();
} else {
skeleton_editor->options->hide();
skeleton_editor->edit(nullptr);
}
}
SkeletonEditorPlugin::SkeletonEditorPlugin(EditorNode *p_node) {
editor = p_node;
skeleton_editor = memnew(SkeletonEditor);
editor->get_viewport()->add_child(skeleton_editor);
}
SkeletonEditorPlugin::~SkeletonEditorPlugin() {}
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