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skeleton_3d_editor_plugin.cpp
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/**************************************************************************/
/* skeleton_3d_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_3d_editor_plugin.h"
#include "core/io/resource_saver.h"
#include "editor/editor_node.h"
#include "editor/editor_properties.h"
#include "editor/editor_properties_vector.h"
#include "editor/editor_settings.h"
#include "editor/editor_string_names.h"
#include "editor/editor_undo_redo_manager.h"
#include "editor/plugins/animation_player_editor_plugin.h"
#include "editor/plugins/node_3d_editor_plugin.h"
#include "editor/themes/editor_scale.h"
#include "scene/3d/collision_shape_3d.h"
#include "scene/3d/joint_3d.h"
#include "scene/3d/mesh_instance_3d.h"
#include "scene/3d/physics_body_3d.h"
#include "scene/gui/separator.h"
#include "scene/gui/texture_rect.h"
#include "scene/resources/capsule_shape_3d.h"
#include "scene/resources/skeleton_profile.h"
#include "scene/resources/sphere_shape_3d.h"
#include "scene/resources/surface_tool.h"
#include "scene/scene_string_names.h"
void BoneTransformEditor::create_editors() {
section = memnew(EditorInspectorSection);
section->setup("trf_properties", label, this, Color(0.0f, 0.0f, 0.0f), true);
section->unfold();
add_child(section);
enabled_checkbox = memnew(EditorPropertyCheck());
enabled_checkbox->set_label("Pose Enabled");
enabled_checkbox->set_selectable(false);
enabled_checkbox->connect("property_changed", callable_mp(this, &BoneTransformEditor::_value_changed));
section->get_vbox()->add_child(enabled_checkbox);
// Position property.
position_property = memnew(EditorPropertyVector3());
position_property->setup(-10000, 10000, 0.001f, true);
position_property->set_label("Position");
position_property->set_selectable(false);
position_property->connect("property_changed", callable_mp(this, &BoneTransformEditor::_value_changed));
position_property->connect("property_keyed", callable_mp(this, &BoneTransformEditor::_property_keyed));
section->get_vbox()->add_child(position_property);
// Rotation property.
rotation_property = memnew(EditorPropertyQuaternion());
rotation_property->setup(-10000, 10000, 0.001f, true);
rotation_property->set_label("Rotation");
rotation_property->set_selectable(false);
rotation_property->connect("property_changed", callable_mp(this, &BoneTransformEditor::_value_changed));
rotation_property->connect("property_keyed", callable_mp(this, &BoneTransformEditor::_property_keyed));
section->get_vbox()->add_child(rotation_property);
// Scale property.
scale_property = memnew(EditorPropertyVector3());
scale_property->setup(-10000, 10000, 0.001f, true);
scale_property->set_label("Scale");
scale_property->set_selectable(false);
scale_property->connect("property_changed", callable_mp(this, &BoneTransformEditor::_value_changed));
scale_property->connect("property_keyed", callable_mp(this, &BoneTransformEditor::_property_keyed));
section->get_vbox()->add_child(scale_property);
// Transform/Matrix section.
rest_section = memnew(EditorInspectorSection);
rest_section->setup("trf_properties_transform", "Rest", this, Color(0.0f, 0.0f, 0.0f), true);
section->get_vbox()->add_child(rest_section);
// Transform/Matrix property.
rest_matrix = memnew(EditorPropertyTransform3D());
rest_matrix->setup(-10000, 10000, 0.001f, true);
rest_matrix->set_label("Transform");
rest_matrix->set_selectable(false);
rest_section->get_vbox()->add_child(rest_matrix);
}
void BoneTransformEditor::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_THEME_CHANGED: {
const Color section_color = get_theme_color(SNAME("prop_subsection"), EditorStringName(Editor));
section->set_bg_color(section_color);
rest_section->set_bg_color(section_color);
} break;
}
}
void BoneTransformEditor::_value_changed(const String &p_property, Variant p_value, const String &p_name, bool p_changing) {
if (updating) {
return;
}
if (skeleton) {
EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
undo_redo->create_action(TTR("Set Bone Transform"), UndoRedo::MERGE_ENDS);
undo_redo->add_undo_property(skeleton, p_property, skeleton->get(p_property));
undo_redo->add_do_property(skeleton, p_property, p_value);
undo_redo->commit_action();
}
}
BoneTransformEditor::BoneTransformEditor(Skeleton3D *p_skeleton) :
skeleton(p_skeleton) {
create_editors();
}
void BoneTransformEditor::set_keyable(const bool p_keyable) {
position_property->set_keying(p_keyable);
rotation_property->set_keying(p_keyable);
scale_property->set_keying(p_keyable);
}
void BoneTransformEditor::set_target(const String &p_prop) {
enabled_checkbox->set_object_and_property(skeleton, p_prop + "enabled");
enabled_checkbox->update_property();
position_property->set_object_and_property(skeleton, p_prop + "position");
position_property->update_property();
rotation_property->set_object_and_property(skeleton, p_prop + "rotation");
rotation_property->update_property();
scale_property->set_object_and_property(skeleton, p_prop + "scale");
scale_property->update_property();
rest_matrix->set_object_and_property(skeleton, p_prop + "rest");
rest_matrix->update_property();
}
void BoneTransformEditor::_property_keyed(const String &p_path, bool p_advance) {
AnimationTrackEditor *te = AnimationPlayerEditor::get_singleton()->get_track_editor();
if (!te || !te->has_keying()) {
return;
}
te->_clear_selection();
PackedStringArray split = p_path.split("/");
if (split.size() == 3 && split[0] == "bones") {
int bone_idx = split[1].to_int();
if (split[2] == "position") {
te->insert_transform_key(skeleton, skeleton->get_bone_name(bone_idx), Animation::TYPE_POSITION_3D, (Vector3)skeleton->get(p_path) / skeleton->get_motion_scale());
}
if (split[2] == "rotation") {
te->insert_transform_key(skeleton, skeleton->get_bone_name(bone_idx), Animation::TYPE_ROTATION_3D, skeleton->get(p_path));
}
if (split[2] == "scale") {
te->insert_transform_key(skeleton, skeleton->get_bone_name(bone_idx), Animation::TYPE_SCALE_3D, skeleton->get(p_path));
}
}
}
void BoneTransformEditor::_update_properties() {
if (!skeleton) {
return;
}
int selected = Skeleton3DEditor::get_singleton()->get_selected_bone();
List<PropertyInfo> props;
skeleton->get_property_list(&props);
for (const PropertyInfo &E : props) {
PackedStringArray split = E.name.split("/");
if (split.size() == 3 && split[0] == "bones") {
if (split[1].to_int() == selected) {
if (split[2] == "enabled") {
enabled_checkbox->set_read_only(E.usage & PROPERTY_USAGE_READ_ONLY);
enabled_checkbox->update_property();
enabled_checkbox->queue_redraw();
}
if (split[2] == "position") {
position_property->set_read_only(E.usage & PROPERTY_USAGE_READ_ONLY);
position_property->update_property();
position_property->queue_redraw();
}
if (split[2] == "rotation") {
rotation_property->set_read_only(E.usage & PROPERTY_USAGE_READ_ONLY);
rotation_property->update_property();
rotation_property->queue_redraw();
}
if (split[2] == "scale") {
scale_property->set_read_only(E.usage & PROPERTY_USAGE_READ_ONLY);
scale_property->update_property();
scale_property->queue_redraw();
}
if (split[2] == "rest") {
rest_matrix->set_read_only(E.usage & PROPERTY_USAGE_READ_ONLY);
rest_matrix->update_property();
rest_matrix->queue_redraw();
}
}
}
}
}
Skeleton3DEditor *Skeleton3DEditor::singleton = nullptr;
void Skeleton3DEditor::set_keyable(const bool p_keyable) {
keyable = p_keyable;
if (p_keyable) {
animation_hb->show();
} else {
animation_hb->hide();
}
};
void Skeleton3DEditor::set_bone_options_enabled(const bool p_bone_options_enabled) {
skeleton_options->get_popup()->set_item_disabled(SKELETON_OPTION_RESET_SELECTED_POSES, !p_bone_options_enabled);
skeleton_options->get_popup()->set_item_disabled(SKELETON_OPTION_SELECTED_POSES_TO_RESTS, !p_bone_options_enabled);
};
void Skeleton3DEditor::_on_click_skeleton_option(int p_skeleton_option) {
if (!skeleton) {
return;
}
switch (p_skeleton_option) {
case SKELETON_OPTION_RESET_ALL_POSES: {
reset_pose(true);
break;
}
case SKELETON_OPTION_RESET_SELECTED_POSES: {
reset_pose(false);
break;
}
case SKELETON_OPTION_ALL_POSES_TO_RESTS: {
pose_to_rest(true);
break;
}
case SKELETON_OPTION_SELECTED_POSES_TO_RESTS: {
pose_to_rest(false);
break;
}
case SKELETON_OPTION_CREATE_PHYSICAL_SKELETON: {
create_physical_skeleton();
break;
}
case SKELETON_OPTION_EXPORT_SKELETON_PROFILE: {
export_skeleton_profile();
break;
}
}
}
void Skeleton3DEditor::reset_pose(const bool p_all_bones) {
if (!skeleton) {
return;
}
const int bone_count = skeleton->get_bone_count();
if (!bone_count) {
return;
}
EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton();
ur->create_action(TTR("Set Bone Transform"), UndoRedo::MERGE_ENDS);
if (p_all_bones) {
for (int i = 0; i < bone_count; i++) {
ur->add_undo_method(skeleton, "set_bone_pose_position", i, skeleton->get_bone_pose_position(i));
ur->add_undo_method(skeleton, "set_bone_pose_rotation", i, skeleton->get_bone_pose_rotation(i));
ur->add_undo_method(skeleton, "set_bone_pose_scale", i, skeleton->get_bone_pose_scale(i));
}
ur->add_do_method(skeleton, "reset_bone_poses");
} else {
// Todo: Do method with multiple bone selection.
if (selected_bone == -1) {
ur->commit_action();
return;
}
ur->add_undo_method(skeleton, "set_bone_pose_position", selected_bone, skeleton->get_bone_pose_position(selected_bone));
ur->add_undo_method(skeleton, "set_bone_pose_rotation", selected_bone, skeleton->get_bone_pose_rotation(selected_bone));
ur->add_undo_method(skeleton, "set_bone_pose_scale", selected_bone, skeleton->get_bone_pose_scale(selected_bone));
ur->add_do_method(skeleton, "reset_bone_pose", selected_bone);
}
ur->commit_action();
}
void Skeleton3DEditor::insert_keys(const bool p_all_bones) {
if (!skeleton) {
return;
}
bool pos_enabled = key_loc_button->is_pressed();
bool rot_enabled = key_rot_button->is_pressed();
bool scl_enabled = key_scale_button->is_pressed();
int bone_len = skeleton->get_bone_count();
Node *root = EditorNode::get_singleton()->get_tree()->get_root();
String path = root->get_path_to(skeleton);
AnimationTrackEditor *te = AnimationPlayerEditor::get_singleton()->get_track_editor();
te->make_insert_queue();
for (int i = 0; i < bone_len; i++) {
const String name = skeleton->get_bone_name(i);
if (name.is_empty()) {
continue;
}
if (pos_enabled && (p_all_bones || te->has_track(skeleton, name, Animation::TYPE_POSITION_3D))) {
te->insert_transform_key(skeleton, name, Animation::TYPE_POSITION_3D, skeleton->get_bone_pose_position(i) / skeleton->get_motion_scale());
}
if (rot_enabled && (p_all_bones || te->has_track(skeleton, name, Animation::TYPE_ROTATION_3D))) {
te->insert_transform_key(skeleton, name, Animation::TYPE_ROTATION_3D, skeleton->get_bone_pose_rotation(i));
}
if (scl_enabled && (p_all_bones || te->has_track(skeleton, name, Animation::TYPE_SCALE_3D))) {
te->insert_transform_key(skeleton, name, Animation::TYPE_SCALE_3D, skeleton->get_bone_pose_scale(i));
}
}
te->commit_insert_queue();
}
void Skeleton3DEditor::pose_to_rest(const bool p_all_bones) {
if (!skeleton) {
return;
}
const int bone_count = skeleton->get_bone_count();
if (!bone_count) {
return;
}
EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton();
ur->create_action(TTR("Set Bone Rest"), UndoRedo::MERGE_ENDS);
if (p_all_bones) {
for (int i = 0; i < bone_count; i++) {
ur->add_do_method(skeleton, "set_bone_rest", i, skeleton->get_bone_pose(i));
ur->add_undo_method(skeleton, "set_bone_rest", i, skeleton->get_bone_rest(i));
}
} else {
// Todo: Do method with multiple bone selection.
if (selected_bone == -1) {
ur->commit_action();
return;
}
ur->add_do_method(skeleton, "set_bone_rest", selected_bone, skeleton->get_bone_pose(selected_bone));
ur->add_undo_method(skeleton, "set_bone_rest", selected_bone, skeleton->get_bone_rest(selected_bone));
}
ur->commit_action();
}
void Skeleton3DEditor::create_physical_skeleton() {
EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton();
ERR_FAIL_NULL(get_tree());
Node *owner = get_tree()->get_edited_scene_root();
const int bone_count = skeleton->get_bone_count();
if (!bone_count) {
EditorNode::get_singleton()->show_warning(vformat(TTR("Cannot create a physical skeleton for a Skeleton3D node with no bones.")));
return;
}
Vector<BoneInfo> bones_infos;
bones_infos.resize(bone_count);
ur->create_action(TTR("Create physical bones"), UndoRedo::MERGE_ALL);
for (int bone_id = 0; bone_count > 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) {
PhysicalBone3D *physical_bone = create_physical_bone(parent, bone_id, bones_infos);
if (physical_bone && physical_bone->get_child(0)) {
CollisionShape3D *collision_shape = Object::cast_to<CollisionShape3D>(physical_bone->get_child(0));
if (collision_shape) {
bones_infos.write[parent].physical_bone = physical_bone;
ur->add_do_method(skeleton, "add_child", physical_bone);
ur->add_do_method(physical_bone, "set_owner", owner);
ur->add_do_method(collision_shape, "set_owner", owner);
ur->add_do_property(physical_bone, "bone_name", skeleton->get_bone_name(parent));
// Create joint between parent of parent.
if (parent_parent != -1) {
ur->add_do_method(physical_bone, "set_joint_type", PhysicalBone3D::JOINT_TYPE_PIN);
}
ur->add_do_method(Node3DEditor::get_singleton(), SceneStringNames::get_singleton()->_request_gizmo, physical_bone);
ur->add_do_method(Node3DEditor::get_singleton(), SceneStringNames::get_singleton()->_request_gizmo, collision_shape);
ur->add_do_reference(physical_bone);
ur->add_undo_method(skeleton, "remove_child", physical_bone);
}
}
}
}
}
ur->commit_action();
}
PhysicalBone3D *Skeleton3DEditor::create_physical_bone(int bone_id, int bone_child_id, const Vector<BoneInfo> &bones_infos) {
const Transform3D child_rest = skeleton->get_bone_rest(bone_child_id);
const real_t half_height(child_rest.origin.length() * 0.5);
const real_t radius(half_height * 0.2);
CapsuleShape3D *bone_shape_capsule = memnew(CapsuleShape3D);
bone_shape_capsule->set_height(half_height * 2);
bone_shape_capsule->set_radius(radius);
CollisionShape3D *bone_shape = memnew(CollisionShape3D);
bone_shape->set_shape(bone_shape_capsule);
bone_shape->set_name("CollisionShape3D");
Transform3D capsule_transform;
capsule_transform.basis.rows[0] = Vector3(1, 0, 0);
capsule_transform.basis.rows[1] = Vector3(0, 0, 1);
capsule_transform.basis.rows[2] = Vector3(0, -1, 0);
bone_shape->set_transform(capsule_transform);
/// Get an up vector not collinear with child rest origin
Vector3 up = Vector3(0, 1, 0);
if (up.cross(child_rest.origin).is_zero_approx()) {
up = Vector3(0, 0, 1);
}
Transform3D body_transform;
body_transform.basis = Basis::looking_at(child_rest.origin, up);
body_transform.origin = body_transform.basis.xform(Vector3(0, 0, -half_height));
Transform3D joint_transform;
joint_transform.origin = Vector3(0, 0, half_height);
PhysicalBone3D *physical_bone = memnew(PhysicalBone3D);
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 Skeleton3DEditor::export_skeleton_profile() {
if (!skeleton->get_bone_count()) {
EditorNode::get_singleton()->show_warning(vformat(TTR("Cannot export a SkeletonProfile for a Skeleton3D node with no bones.")));
return;
}
file_dialog->set_file_mode(EditorFileDialog::FILE_MODE_SAVE_FILE);
file_dialog->set_title(TTR("Export Skeleton Profile As..."));
List<String> exts;
ResourceLoader::get_recognized_extensions_for_type("SkeletonProfile", &exts);
file_dialog->clear_filters();
for (const String &K : exts) {
file_dialog->add_filter("*." + K);
}
file_dialog->popup_file_dialog();
}
void Skeleton3DEditor::_file_selected(const String &p_file) {
// Export SkeletonProfile.
Ref<SkeletonProfile> sp(memnew(SkeletonProfile));
// Build SkeletonProfile.
sp->set_group_size(1);
Vector<Vector2> handle_positions;
Vector2 position_max;
Vector2 position_min;
const int bone_count = skeleton->get_bone_count();
sp->set_bone_size(bone_count);
for (int i = 0; i < bone_count; i++) {
sp->set_bone_name(i, skeleton->get_bone_name(i));
int parent = skeleton->get_bone_parent(i);
if (parent >= 0) {
sp->set_bone_parent(i, skeleton->get_bone_name(parent));
}
sp->set_reference_pose(i, skeleton->get_bone_rest(i));
Transform3D grest = skeleton->get_bone_global_rest(i);
handle_positions.append(Vector2(grest.origin.x, grest.origin.y));
if (i == 0) {
position_max = Vector2(grest.origin.x, grest.origin.y);
position_min = Vector2(grest.origin.x, grest.origin.y);
} else {
position_max.x = MAX(grest.origin.x, position_max.x);
position_max.y = MAX(grest.origin.y, position_max.y);
position_min.x = MIN(grest.origin.x, position_min.x);
position_min.y = MIN(grest.origin.y, position_min.y);
}
}
// Layout handles provisionaly.
Vector2 bound = Vector2(position_max.x - position_min.x, position_max.y - position_min.y);
Vector2 center = Vector2((position_max.x + position_min.x) * 0.5, (position_max.y + position_min.y) * 0.5);
float nrm = MAX(bound.x, bound.y);
if (nrm > 0) {
for (int i = 0; i < bone_count; i++) {
handle_positions.write[i] = (handle_positions[i] - center) / nrm * 0.9;
sp->set_handle_offset(i, Vector2(0.5 + handle_positions[i].x, 0.5 - handle_positions[i].y));
}
}
Error err = ResourceSaver::save(sp, p_file);
if (err != OK) {
EditorNode::get_singleton()->show_warning(vformat(TTR("Error saving file: %s"), p_file));
return;
}
}
Variant Skeleton3DEditor::get_drag_data_fw(const Point2 &p_point, Control *p_from) {
TreeItem *selected = joint_tree->get_selected();
if (!selected) {
return Variant();
}
Ref<Texture> icon = selected->get_icon(0);
VBoxContainer *vb = memnew(VBoxContainer);
HBoxContainer *hb = memnew(HBoxContainer);
TextureRect *tf = memnew(TextureRect);
tf->set_texture(icon);
tf->set_stretch_mode(TextureRect::STRETCH_KEEP_CENTERED);
hb->add_child(tf);
Label *label = memnew(Label(selected->get_text(0)));
hb->add_child(label);
vb->add_child(hb);
hb->set_modulate(Color(1, 1, 1, 1));
set_drag_preview(vb);
Dictionary drag_data;
drag_data["type"] = "nodes";
drag_data["node"] = selected;
return drag_data;
}
bool Skeleton3DEditor::can_drop_data_fw(const Point2 &p_point, const Variant &p_data, Control *p_from) const {
TreeItem *target = joint_tree->get_item_at_position(p_point);
if (!target) {
return false;
}
const String path = target->get_metadata(0);
if (!path.begins_with("bones/")) {
return false;
}
TreeItem *selected = Object::cast_to<TreeItem>(Dictionary(p_data)["node"]);
if (target == selected) {
return false;
}
const String path2 = target->get_metadata(0);
if (!path2.begins_with("bones/")) {
return false;
}
return true;
}
void Skeleton3DEditor::drop_data_fw(const Point2 &p_point, const Variant &p_data, Control *p_from) {
if (!can_drop_data_fw(p_point, p_data, p_from)) {
return;
}
TreeItem *target = joint_tree->get_item_at_position(p_point);
TreeItem *selected = Object::cast_to<TreeItem>(Dictionary(p_data)["node"]);
const BoneId target_boneidx = String(target->get_metadata(0)).get_slicec('/', 1).to_int();
const BoneId selected_boneidx = String(selected->get_metadata(0)).get_slicec('/', 1).to_int();
move_skeleton_bone(skeleton->get_path(), selected_boneidx, target_boneidx);
}
void Skeleton3DEditor::move_skeleton_bone(NodePath p_skeleton_path, int32_t p_selected_boneidx, int32_t p_target_boneidx) {
Node *node = get_node_or_null(p_skeleton_path);
Skeleton3D *skeleton_node = Object::cast_to<Skeleton3D>(node);
ERR_FAIL_NULL(skeleton_node);
EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton();
ur->create_action(TTR("Set Bone Parentage"));
// If the target is a child of ourselves, we move only *us* and not our children.
if (skeleton_node->is_bone_parent_of(p_target_boneidx, p_selected_boneidx)) {
const BoneId parent_idx = skeleton_node->get_bone_parent(p_selected_boneidx);
const int bone_count = skeleton_node->get_bone_count();
for (BoneId i = 0; i < bone_count; ++i) {
if (skeleton_node->get_bone_parent(i) == p_selected_boneidx) {
ur->add_undo_method(skeleton_node, "set_bone_parent", i, skeleton_node->get_bone_parent(i));
ur->add_do_method(skeleton_node, "set_bone_parent", i, parent_idx);
skeleton_node->set_bone_parent(i, parent_idx);
}
}
}
ur->add_undo_method(skeleton_node, "set_bone_parent", p_selected_boneidx, skeleton_node->get_bone_parent(p_selected_boneidx));
ur->add_do_method(skeleton_node, "set_bone_parent", p_selected_boneidx, p_target_boneidx);
skeleton_node->set_bone_parent(p_selected_boneidx, p_target_boneidx);
update_joint_tree();
ur->commit_action();
}
void Skeleton3DEditor::_joint_tree_selection_changed() {
TreeItem *selected = joint_tree->get_selected();
if (selected) {
const String path = selected->get_metadata(0);
if (!path.begins_with("bones/")) {
return;
}
const int b_idx = path.get_slicec('/', 1).to_int();
selected_bone = b_idx;
if (pose_editor) {
const String bone_path = "bones/" + itos(b_idx) + "/";
pose_editor->set_target(bone_path);
pose_editor->set_keyable(keyable);
}
}
if (pose_editor && pose_editor->is_inside_tree()) {
pose_editor->set_visible(selected);
}
set_bone_options_enabled(selected);
_update_properties();
_update_gizmo_visible();
}
// May be not used with single select mode.
void Skeleton3DEditor::_joint_tree_rmb_select(const Vector2 &p_pos, MouseButton p_button) {
}
void Skeleton3DEditor::_update_properties() {
if (pose_editor) {
pose_editor->_update_properties();
}
Node3DEditor::get_singleton()->update_transform_gizmo();
}
void Skeleton3DEditor::update_joint_tree() {
joint_tree->clear();
if (!skeleton) {
return;
}
TreeItem *root = joint_tree->create_item();
HashMap<int, TreeItem *> items;
items.insert(-1, root);
Ref<Texture> bone_icon = get_editor_theme_icon(SNAME("BoneAttachment3D"));
Vector<int> bones_to_process = skeleton->get_parentless_bones();
while (bones_to_process.size() > 0) {
int current_bone_idx = bones_to_process[0];
bones_to_process.erase(current_bone_idx);
const int parent_idx = skeleton->get_bone_parent(current_bone_idx);
TreeItem *parent_item = items.find(parent_idx)->value;
TreeItem *joint_item = joint_tree->create_item(parent_item);
items.insert(current_bone_idx, joint_item);
joint_item->set_text(0, skeleton->get_bone_name(current_bone_idx));
joint_item->set_icon(0, bone_icon);
joint_item->set_selectable(0, true);
joint_item->set_metadata(0, "bones/" + itos(current_bone_idx));
// Add the bone's children to the list of bones to be processed.
Vector<int> current_bone_child_bones = skeleton->get_bone_children(current_bone_idx);
int child_bone_size = current_bone_child_bones.size();
for (int i = 0; i < child_bone_size; i++) {
bones_to_process.push_back(current_bone_child_bones[i]);
}
}
}
void Skeleton3DEditor::create_editors() {
set_h_size_flags(SIZE_EXPAND_FILL);
set_focus_mode(FOCUS_ALL);
Node3DEditor *ne = Node3DEditor::get_singleton();
AnimationTrackEditor *te = AnimationPlayerEditor::get_singleton()->get_track_editor();
// Create File dialog.
file_dialog = memnew(EditorFileDialog);
file_dialog->connect("file_selected", callable_mp(this, &Skeleton3DEditor::_file_selected));
add_child(file_dialog);
// Create Top Menu Bar.
topmenu_bar = memnew(HBoxContainer);
ne->add_control_to_menu_panel(topmenu_bar);
// Create Skeleton Option in Top Menu Bar.
skeleton_options = memnew(MenuButton);
skeleton_options->set_flat(false);
skeleton_options->set_theme_type_variation("FlatMenuButton");
topmenu_bar->add_child(skeleton_options);
skeleton_options->set_text(TTR("Skeleton3D"));
// Skeleton options.
PopupMenu *p = skeleton_options->get_popup();
p->add_shortcut(ED_SHORTCUT("skeleton_3d_editor/reset_all_poses", TTR("Reset All Bone Poses")), SKELETON_OPTION_RESET_ALL_POSES);
p->add_shortcut(ED_SHORTCUT("skeleton_3d_editor/reset_selected_poses", TTR("Reset Selected Poses")), SKELETON_OPTION_RESET_SELECTED_POSES);
p->add_shortcut(ED_SHORTCUT("skeleton_3d_editor/all_poses_to_rests", TTR("Apply All Poses to Rests")), SKELETON_OPTION_ALL_POSES_TO_RESTS);
p->add_shortcut(ED_SHORTCUT("skeleton_3d_editor/selected_poses_to_rests", TTR("Apply Selected Poses to Rests")), SKELETON_OPTION_SELECTED_POSES_TO_RESTS);
p->add_item(TTR("Create Physical Skeleton"), SKELETON_OPTION_CREATE_PHYSICAL_SKELETON);
p->add_item(TTR("Export Skeleton Profile"), SKELETON_OPTION_EXPORT_SKELETON_PROFILE);
p->connect("id_pressed", callable_mp(this, &Skeleton3DEditor::_on_click_skeleton_option));
set_bone_options_enabled(false);
Vector<Variant> button_binds;
button_binds.resize(1);
edit_mode_button = memnew(Button);
topmenu_bar->add_child(edit_mode_button);
edit_mode_button->set_theme_type_variation("FlatButton");
edit_mode_button->set_toggle_mode(true);
edit_mode_button->set_focus_mode(FOCUS_NONE);
edit_mode_button->set_tooltip_text(TTR("Edit Mode\nShow buttons on joints."));
edit_mode_button->connect("toggled", callable_mp(this, &Skeleton3DEditor::edit_mode_toggled));
edit_mode = false;
if (skeleton) {
skeleton->add_child(handles_mesh_instance);
handles_mesh_instance->set_skeleton_path(NodePath(""));
}
// Keying buttons.
animation_hb = memnew(HBoxContainer);
topmenu_bar->add_child(animation_hb);
animation_hb->add_child(memnew(VSeparator));
animation_hb->hide();
key_loc_button = memnew(Button);
key_loc_button->set_theme_type_variation("FlatButton");
key_loc_button->set_toggle_mode(true);
key_loc_button->set_pressed(false);
key_loc_button->set_focus_mode(FOCUS_NONE);
key_loc_button->set_tooltip_text(TTR("Translation mask for inserting keys."));
animation_hb->add_child(key_loc_button);
key_rot_button = memnew(Button);
key_rot_button->set_theme_type_variation("FlatButton");
key_rot_button->set_toggle_mode(true);
key_rot_button->set_pressed(true);
key_rot_button->set_focus_mode(FOCUS_NONE);
key_rot_button->set_tooltip_text(TTR("Rotation mask for inserting keys."));
animation_hb->add_child(key_rot_button);
key_scale_button = memnew(Button);
key_scale_button->set_theme_type_variation("FlatButton");
key_scale_button->set_toggle_mode(true);
key_scale_button->set_pressed(false);
key_scale_button->set_focus_mode(FOCUS_NONE);
key_scale_button->set_tooltip_text(TTR("Scale mask for inserting keys."));
animation_hb->add_child(key_scale_button);
key_insert_button = memnew(Button);
key_insert_button->set_theme_type_variation("FlatButton");
key_insert_button->set_focus_mode(FOCUS_NONE);
key_insert_button->connect("pressed", callable_mp(this, &Skeleton3DEditor::insert_keys).bind(false));
key_insert_button->set_tooltip_text(TTR("Insert key of bone poses already exist track."));
key_insert_button->set_shortcut(ED_SHORTCUT("skeleton_3d_editor/insert_key_to_existing_tracks", TTR("Insert Key (Existing Tracks)"), Key::INSERT));
animation_hb->add_child(key_insert_button);
key_insert_all_button = memnew(Button);
key_insert_all_button->set_theme_type_variation("FlatButton");
key_insert_all_button->set_focus_mode(FOCUS_NONE);
key_insert_all_button->connect("pressed", callable_mp(this, &Skeleton3DEditor::insert_keys).bind(true));
key_insert_all_button->set_tooltip_text(TTR("Insert key of all bone poses."));
key_insert_all_button->set_shortcut(ED_SHORTCUT("skeleton_3d_editor/insert_key_of_all_bones", TTR("Insert Key (All Bones)"), KeyModifierMask::CMD_OR_CTRL + Key::INSERT));
animation_hb->add_child(key_insert_all_button);
// Bone tree.
bones_section = memnew(EditorInspectorSection);
bones_section->setup("bones", "Bones", skeleton, Color(0.0f, 0.0, 0.0f), true);
add_child(bones_section);
bones_section->unfold();
ScrollContainer *s_con = memnew(ScrollContainer);
s_con->set_h_size_flags(SIZE_EXPAND_FILL);
s_con->set_custom_minimum_size(Size2(1, 350) * EDSCALE);
bones_section->get_vbox()->add_child(s_con);
joint_tree = memnew(Tree);
joint_tree->set_columns(1);
joint_tree->set_focus_mode(Control::FOCUS_NONE);
joint_tree->set_select_mode(Tree::SELECT_SINGLE);
joint_tree->set_hide_root(true);
joint_tree->set_v_size_flags(SIZE_EXPAND_FILL);
joint_tree->set_h_size_flags(SIZE_EXPAND_FILL);
joint_tree->set_allow_rmb_select(true);
SET_DRAG_FORWARDING_GCD(joint_tree, Skeleton3DEditor);
s_con->add_child(joint_tree);
pose_editor = memnew(BoneTransformEditor(skeleton));
pose_editor->set_label(TTR("Bone Transform"));
pose_editor->set_visible(false);
add_child(pose_editor);
set_keyable(te->has_keying());
}
void Skeleton3DEditor::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE: {
update_joint_tree();
joint_tree->connect("item_selected", callable_mp(this, &Skeleton3DEditor::_joint_tree_selection_changed));
joint_tree->connect("item_mouse_selected", callable_mp(this, &Skeleton3DEditor::_joint_tree_rmb_select));
#ifdef TOOLS_ENABLED
skeleton->connect(SceneStringNames::get_singleton()->pose_updated, callable_mp(this, &Skeleton3DEditor::_draw_gizmo));
skeleton->connect(SceneStringNames::get_singleton()->pose_updated, callable_mp(this, &Skeleton3DEditor::_update_properties));
skeleton->connect(SceneStringNames::get_singleton()->bone_enabled_changed, callable_mp(this, &Skeleton3DEditor::_bone_enabled_changed));
skeleton->connect(SceneStringNames::get_singleton()->show_rest_only_changed, callable_mp(this, &Skeleton3DEditor::_update_gizmo_visible));
#endif
get_tree()->connect("node_removed", callable_mp(this, &Skeleton3DEditor::_node_removed), Object::CONNECT_ONE_SHOT);
} break;
case NOTIFICATION_READY: {
// Will trigger NOTIFICATION_THEME_CHANGED, but won't cause any loops if called here.
add_theme_constant_override("separation", 0);
} break;
case NOTIFICATION_THEME_CHANGED: {
skeleton_options->set_icon(get_editor_theme_icon(SNAME("Skeleton3D")));
edit_mode_button->set_icon(get_editor_theme_icon(SNAME("ToolBoneSelect")));
key_loc_button->set_icon(get_editor_theme_icon(SNAME("KeyPosition")));
key_rot_button->set_icon(get_editor_theme_icon(SNAME("KeyRotation")));
key_scale_button->set_icon(get_editor_theme_icon(SNAME("KeyScale")));
key_insert_button->set_icon(get_editor_theme_icon(SNAME("Key")));
key_insert_all_button->set_icon(get_editor_theme_icon(SNAME("NewKey")));
bones_section->set_bg_color(get_theme_color(SNAME("prop_subsection"), EditorStringName(Editor)));
update_joint_tree();
} break;
case NOTIFICATION_PREDELETE: {
if (skeleton) {
select_bone(-1); // Requires that the joint_tree has not been deleted.
#ifdef TOOLS_ENABLED
skeleton->disconnect(SceneStringNames::get_singleton()->show_rest_only_changed, callable_mp(this, &Skeleton3DEditor::_update_gizmo_visible));
skeleton->disconnect(SceneStringNames::get_singleton()->bone_enabled_changed, callable_mp(this, &Skeleton3DEditor::_bone_enabled_changed));
skeleton->disconnect(SceneStringNames::get_singleton()->pose_updated, callable_mp(this, &Skeleton3DEditor::_draw_gizmo));
skeleton->disconnect(SceneStringNames::get_singleton()->pose_updated, callable_mp(this, &Skeleton3DEditor::_update_properties));
skeleton->set_transform_gizmo_visible(true);
#endif
if (handles_mesh_instance->get_parent()) {
handles_mesh_instance->get_parent()->remove_child(handles_mesh_instance);
}
}
edit_mode_toggled(false);
} break;
}
}
void Skeleton3DEditor::_node_removed(Node *p_node) {
if (skeleton && p_node == skeleton) {
skeleton = nullptr;
skeleton_options->hide();
}
_update_properties();
}
void Skeleton3DEditor::edit_mode_toggled(const bool pressed) {
edit_mode = pressed;
_update_gizmo_visible();
}
Skeleton3DEditor::Skeleton3DEditor(EditorInspectorPluginSkeleton *e_plugin, Skeleton3D *p_skeleton) :
editor_plugin(e_plugin),
skeleton(p_skeleton) {
singleton = this;
// Handle.
handle_material = Ref<ShaderMaterial>(memnew(ShaderMaterial));
handle_shader = Ref<Shader>(memnew(Shader));
handle_shader->set_code(R"(
// Skeleton 3D gizmo handle shader.
shader_type spatial;
render_mode unshaded, shadows_disabled, depth_draw_always, fog_disabled;
uniform sampler2D texture_albedo : source_color;
uniform float point_size : hint_range(0, 128) = 32;
void vertex() {
if (!OUTPUT_IS_SRGB) {
COLOR.rgb = mix(pow((COLOR.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), COLOR.rgb * (1.0 / 12.92), lessThan(COLOR.rgb, vec3(0.04045)));
}
VERTEX = VERTEX;
POSITION = PROJECTION_MATRIX * VIEW_MATRIX * MODEL_MATRIX * vec4(VERTEX.xyz, 1.0);
POSITION.z = mix(POSITION.z, 0.0, 0.999);
POINT_SIZE = point_size;
}
void fragment() {
vec4 albedo_tex = texture(texture_albedo, POINT_COORD);
vec3 col = albedo_tex.rgb + COLOR.rgb;
col = vec3(min(col.r, 1.0), min(col.g, 1.0), min(col.b, 1.0));
ALBEDO = col;
if (albedo_tex.a < 0.5) {
discard;
}
ALPHA = albedo_tex.a;
}
)");
handle_material->set_shader(handle_shader);
Ref<Texture2D> handle = EditorNode::get_singleton()->get_editor_theme()->get_icon(SNAME("EditorBoneHandle"), EditorStringName(EditorIcons));
handle_material->set_shader_parameter("point_size", handle->get_width());
handle_material->set_shader_parameter("texture_albedo", handle);
handles_mesh_instance = memnew(MeshInstance3D);
handles_mesh_instance->set_cast_shadows_setting(GeometryInstance3D::SHADOW_CASTING_SETTING_OFF);
handles_mesh.instantiate();
handles_mesh_instance->set_mesh(handles_mesh);
create_editors();
}
void Skeleton3DEditor::update_bone_original() {
if (!skeleton) {
return;
}
if (skeleton->get_bone_count() == 0 || selected_bone == -1) {
return;
}
bone_original_position = skeleton->get_bone_pose_position(selected_bone);
bone_original_rotation = skeleton->get_bone_pose_rotation(selected_bone);
bone_original_scale = skeleton->get_bone_pose_scale(selected_bone);
}
void Skeleton3DEditor::_hide_handles() {
handles_mesh_instance->hide();
}
void Skeleton3DEditor::_draw_gizmo() {
if (!skeleton) {
return;
}
// If you call get_bone_global_pose() while drawing the surface, such as toggle rest mode,
// the skeleton update will be done first and
// the drawing surface will be interrupted once and an error will occur.
skeleton->force_update_all_dirty_bones();
// Handles.
if (edit_mode) {
_draw_handles();
} else {
_hide_handles();
}
}
void Skeleton3DEditor::_draw_handles() {
const int bone_count = skeleton->get_bone_count();
handles_mesh->clear_surfaces();
if (bone_count) {
handles_mesh_instance->show();
handles_mesh->surface_begin(Mesh::PRIMITIVE_POINTS);
for (int i = 0; i < bone_count; i++) {
Color c;
if (i == selected_bone) {
c = Color(1, 1, 0);
} else {
c = Color(0.1, 0.25, 0.8);