388 lines
13 KiB
C++
388 lines
13 KiB
C++
/**************************************************************************/
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/* bone_attachment_3d.cpp */
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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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#include "bone_attachment_3d.h"
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void BoneAttachment3D::_validate_property(PropertyInfo &p_property) const {
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if (p_property.name == "bone_name") {
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// Because it is a constant function, we cannot use the _get_skeleton_3d function.
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const Skeleton3D *parent = nullptr;
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if (use_external_skeleton) {
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if (external_skeleton_node_cache.is_valid()) {
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parent = Object::cast_to<Skeleton3D>(ObjectDB::get_instance(external_skeleton_node_cache));
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}
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} else {
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parent = Object::cast_to<Skeleton3D>(get_parent());
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}
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if (parent) {
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String names;
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for (int i = 0; i < parent->get_bone_count(); i++) {
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if (i > 0) {
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names += ",";
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}
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names += parent->get_bone_name(i);
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}
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p_property.hint = PROPERTY_HINT_ENUM;
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p_property.hint_string = names;
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} else {
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p_property.hint = PROPERTY_HINT_NONE;
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p_property.hint_string = "";
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}
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}
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}
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bool BoneAttachment3D::_set(const StringName &p_path, const Variant &p_value) {
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if (p_path == SNAME("use_external_skeleton")) {
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set_use_external_skeleton(p_value);
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} else if (p_path == SNAME("external_skeleton")) {
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set_external_skeleton(p_value);
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}
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return true;
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}
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bool BoneAttachment3D::_get(const StringName &p_path, Variant &r_ret) const {
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if (p_path == SNAME("use_external_skeleton")) {
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r_ret = get_use_external_skeleton();
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} else if (p_path == SNAME("external_skeleton")) {
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r_ret = get_external_skeleton();
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}
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return true;
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}
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void BoneAttachment3D::_get_property_list(List<PropertyInfo> *p_list) const {
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p_list->push_back(PropertyInfo(Variant::BOOL, "use_external_skeleton", PROPERTY_HINT_NONE, ""));
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if (use_external_skeleton) {
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p_list->push_back(PropertyInfo(Variant::NODE_PATH, "external_skeleton", PROPERTY_HINT_NODE_PATH_VALID_TYPES, "Skeleton3D"));
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}
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}
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PackedStringArray BoneAttachment3D::get_configuration_warnings() const {
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PackedStringArray warnings = Node3D::get_configuration_warnings();
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if (use_external_skeleton) {
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if (external_skeleton_node_cache.is_null()) {
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warnings.push_back(RTR("External Skeleton3D node not set! Please set a path to an external Skeleton3D node."));
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}
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} else {
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Skeleton3D *parent = Object::cast_to<Skeleton3D>(get_parent());
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if (!parent) {
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warnings.push_back(RTR("Parent node is not a Skeleton3D node! Please use an external Skeleton3D if you intend to use the BoneAttachment3D without it being a child of a Skeleton3D node."));
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}
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}
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if (bone_idx == -1) {
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warnings.push_back(RTR("BoneAttachment3D node is not bound to any bones! Please select a bone to attach this node."));
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}
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return warnings;
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}
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void BoneAttachment3D::_update_external_skeleton_cache() {
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external_skeleton_node_cache = ObjectID();
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if (has_node(external_skeleton_node)) {
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Node *node = get_node(external_skeleton_node);
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ERR_FAIL_NULL_MSG(node, "Cannot update external skeleton cache: Node cannot be found!");
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// Make sure it's a skeleton3D
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Skeleton3D *sk = Object::cast_to<Skeleton3D>(node);
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ERR_FAIL_NULL_MSG(sk, "Cannot update external skeleton cache: Skeleton3D Nodepath does not point to a Skeleton3D node!");
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external_skeleton_node_cache = node->get_instance_id();
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} else {
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if (external_skeleton_node.is_empty()) {
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BoneAttachment3D *parent_attachment = Object::cast_to<BoneAttachment3D>(get_parent());
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if (parent_attachment) {
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parent_attachment->_update_external_skeleton_cache();
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if (parent_attachment->has_node(parent_attachment->external_skeleton_node)) {
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Node *node = parent_attachment->get_node(parent_attachment->external_skeleton_node);
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ERR_FAIL_NULL_MSG(node, "Cannot update external skeleton cache: Parent's Skeleton3D node cannot be found!");
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// Make sure it's a skeleton3D
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Skeleton3D *sk = Object::cast_to<Skeleton3D>(node);
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ERR_FAIL_NULL_MSG(sk, "Cannot update external skeleton cache: Parent Skeleton3D Nodepath does not point to a Skeleton3D node!");
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external_skeleton_node_cache = node->get_instance_id();
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external_skeleton_node = get_path_to(node);
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}
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}
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}
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}
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}
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void BoneAttachment3D::_check_bind() {
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Skeleton3D *sk = _get_skeleton3d();
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if (sk && !bound) {
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if (bone_idx <= -1) {
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bone_idx = sk->find_bone(bone_name);
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}
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if (bone_idx != -1) {
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sk->connect(SNAME("bone_pose_changed"), callable_mp(this, &BoneAttachment3D::on_bone_pose_update));
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bound = true;
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callable_mp(this, &BoneAttachment3D::on_bone_pose_update).call_deferred(bone_idx);
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}
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}
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}
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Skeleton3D *BoneAttachment3D::_get_skeleton3d() {
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if (use_external_skeleton) {
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if (external_skeleton_node_cache.is_valid()) {
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return Object::cast_to<Skeleton3D>(ObjectDB::get_instance(external_skeleton_node_cache));
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} else {
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_update_external_skeleton_cache();
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if (external_skeleton_node_cache.is_valid()) {
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return Object::cast_to<Skeleton3D>(ObjectDB::get_instance(external_skeleton_node_cache));
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}
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}
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} else {
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return Object::cast_to<Skeleton3D>(get_parent());
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}
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return nullptr;
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}
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void BoneAttachment3D::_check_unbind() {
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if (bound) {
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Skeleton3D *sk = _get_skeleton3d();
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if (sk) {
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sk->disconnect(SNAME("bone_pose_changed"), callable_mp(this, &BoneAttachment3D::on_bone_pose_update));
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}
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bound = false;
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}
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}
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void BoneAttachment3D::_transform_changed() {
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if (!is_inside_tree()) {
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return;
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}
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if (override_pose && !overriding) {
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Skeleton3D *sk = _get_skeleton3d();
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ERR_FAIL_NULL_MSG(sk, "Cannot override pose: Skeleton not found!");
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ERR_FAIL_INDEX_MSG(bone_idx, sk->get_bone_count(), "Cannot override pose: Bone index is out of range!");
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Transform3D our_trans = get_transform();
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if (use_external_skeleton) {
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our_trans = sk->get_global_transform().affine_inverse() * get_global_transform();
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}
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overriding = true;
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sk->set_bone_global_pose(bone_idx, our_trans);
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sk->force_update_all_dirty_bones();
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}
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overriding = false;
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}
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void BoneAttachment3D::set_bone_name(const String &p_name) {
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bone_name = p_name;
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Skeleton3D *sk = _get_skeleton3d();
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if (sk) {
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set_bone_idx(sk->find_bone(bone_name));
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}
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}
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String BoneAttachment3D::get_bone_name() const {
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return bone_name;
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}
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void BoneAttachment3D::set_bone_idx(const int &p_idx) {
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if (is_inside_tree()) {
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_check_unbind();
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}
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bone_idx = p_idx;
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Skeleton3D *sk = _get_skeleton3d();
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if (sk) {
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if (bone_idx <= -1 || bone_idx >= sk->get_bone_count()) {
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WARN_PRINT("Bone index out of range! Cannot connect BoneAttachment to node!");
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bone_idx = -1;
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} else {
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bone_name = sk->get_bone_name(bone_idx);
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}
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}
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if (is_inside_tree()) {
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_check_bind();
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}
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notify_property_list_changed();
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}
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int BoneAttachment3D::get_bone_idx() const {
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return bone_idx;
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}
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void BoneAttachment3D::set_override_pose(bool p_override) {
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override_pose = p_override;
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set_notify_transform(override_pose);
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set_process_internal(override_pose);
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notify_property_list_changed();
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}
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bool BoneAttachment3D::get_override_pose() const {
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return override_pose;
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}
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void BoneAttachment3D::set_use_external_skeleton(bool p_use_external) {
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use_external_skeleton = p_use_external;
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if (use_external_skeleton) {
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_check_unbind();
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_update_external_skeleton_cache();
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_check_bind();
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_transform_changed();
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}
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notify_property_list_changed();
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}
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bool BoneAttachment3D::get_use_external_skeleton() const {
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return use_external_skeleton;
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}
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void BoneAttachment3D::set_external_skeleton(NodePath p_path) {
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external_skeleton_node = p_path;
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_update_external_skeleton_cache();
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notify_property_list_changed();
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}
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NodePath BoneAttachment3D::get_external_skeleton() const {
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return external_skeleton_node;
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}
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void BoneAttachment3D::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_ENTER_TREE: {
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if (use_external_skeleton) {
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_update_external_skeleton_cache();
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}
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_check_bind();
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} break;
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case NOTIFICATION_EXIT_TREE: {
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_check_unbind();
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} break;
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case NOTIFICATION_TRANSFORM_CHANGED: {
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_transform_changed();
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} break;
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case NOTIFICATION_INTERNAL_PROCESS: {
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if (_override_dirty) {
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_override_dirty = false;
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}
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} break;
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}
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}
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void BoneAttachment3D::on_bone_pose_update(int p_bone_index) {
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if (updating) {
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return;
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}
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updating = true;
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if (bone_idx == p_bone_index) {
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Skeleton3D *sk = _get_skeleton3d();
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if (sk) {
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if (!override_pose) {
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if (use_external_skeleton) {
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set_global_transform(sk->get_global_transform() * sk->get_bone_global_pose(bone_idx));
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} else {
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set_transform(sk->get_bone_global_pose(bone_idx));
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}
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} else {
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if (!_override_dirty) {
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_transform_changed();
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_override_dirty = true;
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}
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}
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}
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}
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updating = false;
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}
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#ifdef TOOLS_ENABLED
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void BoneAttachment3D::notify_skeleton_bones_renamed(Node *p_base_scene, Skeleton3D *p_skeleton, Dictionary p_rename_map) {
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const Skeleton3D *parent = nullptr;
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if (use_external_skeleton) {
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if (external_skeleton_node_cache.is_valid()) {
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parent = Object::cast_to<Skeleton3D>(ObjectDB::get_instance(external_skeleton_node_cache));
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}
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} else {
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parent = Object::cast_to<Skeleton3D>(get_parent());
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}
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if (parent && parent == p_skeleton) {
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StringName bn = p_rename_map[bone_name];
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if (bn) {
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set_bone_name(bn);
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}
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}
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}
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void BoneAttachment3D::notify_rebind_required() {
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// Ensures bindings are properly updated after a scene reload.
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_check_unbind();
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if (use_external_skeleton) {
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_update_external_skeleton_cache();
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}
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bone_idx = -1;
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_check_bind();
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}
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#endif // TOOLS_ENABLED
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BoneAttachment3D::BoneAttachment3D() {
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}
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void BoneAttachment3D::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_bone_name", "bone_name"), &BoneAttachment3D::set_bone_name);
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ClassDB::bind_method(D_METHOD("get_bone_name"), &BoneAttachment3D::get_bone_name);
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ClassDB::bind_method(D_METHOD("set_bone_idx", "bone_idx"), &BoneAttachment3D::set_bone_idx);
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ClassDB::bind_method(D_METHOD("get_bone_idx"), &BoneAttachment3D::get_bone_idx);
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ClassDB::bind_method(D_METHOD("on_bone_pose_update", "bone_index"), &BoneAttachment3D::on_bone_pose_update);
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ClassDB::bind_method(D_METHOD("set_override_pose", "override_pose"), &BoneAttachment3D::set_override_pose);
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ClassDB::bind_method(D_METHOD("get_override_pose"), &BoneAttachment3D::get_override_pose);
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ClassDB::bind_method(D_METHOD("set_use_external_skeleton", "use_external_skeleton"), &BoneAttachment3D::set_use_external_skeleton);
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ClassDB::bind_method(D_METHOD("get_use_external_skeleton"), &BoneAttachment3D::get_use_external_skeleton);
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ClassDB::bind_method(D_METHOD("set_external_skeleton", "external_skeleton"), &BoneAttachment3D::set_external_skeleton);
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ClassDB::bind_method(D_METHOD("get_external_skeleton"), &BoneAttachment3D::get_external_skeleton);
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ADD_PROPERTY(PropertyInfo(Variant::STRING_NAME, "bone_name"), "set_bone_name", "get_bone_name");
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ADD_PROPERTY(PropertyInfo(Variant::INT, "bone_idx"), "set_bone_idx", "get_bone_idx");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "override_pose"), "set_override_pose", "get_override_pose");
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}
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