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pandemonium_engine/modules/skeleton_3d/nodes/bone_attachment.cpp

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/*************************************************************************/
/* bone_attachment.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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 "bone_attachment.h"
void BoneAttachment::set_bone_name(const String &p_name) {
bone_name = p_name;
Skeleton *sk = _get_skeleton();
if (sk) {
set_bone_idx(sk->find_bone(bone_name));
}
}
String BoneAttachment::get_bone_name() const {
return bone_name;
}
void BoneAttachment::set_bone_idx(const int p_idx) {
if (is_inside_tree()) {
_check_unbind();
}
bone_idx = p_idx;
Skeleton *sk = _get_skeleton();
if (sk) {
if (bone_idx <= -1 || bone_idx >= sk->get_bone_count()) {
WARN_PRINT("Bone index out of range! Cannot connect BoneAttachment to node!");
bone_idx = -1;
} else {
bone_name = sk->get_bone_name(bone_idx);
}
}
if (is_inside_tree()) {
_check_bind();
}
property_list_changed_notify();
}
int BoneAttachment::get_bone_idx() const {
return bone_idx;
}
void BoneAttachment::set_override_pose(bool p_override) {
override_pose = p_override;
set_notify_local_transform(override_pose);
set_process_internal(override_pose);
if (!override_pose) {
Skeleton *sk = _get_skeleton();
if (sk) {
if (override_mode == OVERRIDE_MODES::MODE_GLOBAL_POSE) {
sk->set_bone_global_pose_override(bone_idx, Transform(), 0.0, false);
} else if (override_mode == OVERRIDE_MODES::MODE_LOCAL_POSE) {
sk->set_bone_local_pose_override(bone_idx, Transform(), 0.0, false);
}
}
_transform_changed();
}
property_list_changed_notify();
}
bool BoneAttachment::get_override_pose() const {
return override_pose;
}
void BoneAttachment::set_override_mode(int p_mode) {
if (override_pose) {
Skeleton *sk = _get_skeleton();
if (sk) {
if (override_mode == OVERRIDE_MODES::MODE_GLOBAL_POSE) {
sk->set_bone_global_pose_override(bone_idx, Transform(), 0.0, false);
} else if (override_mode == OVERRIDE_MODES::MODE_LOCAL_POSE) {
sk->set_bone_local_pose_override(bone_idx, Transform(), 0.0, false);
}
}
override_mode = p_mode;
_transform_changed();
return;
}
override_mode = p_mode;
}
int BoneAttachment::get_override_mode() const {
return override_mode;
}
void BoneAttachment::set_use_external_skeleton(bool p_use_external) {
use_external_skeleton = p_use_external;
if (use_external_skeleton) {
_check_unbind();
_update_external_skeleton_cache();
_check_bind();
_transform_changed();
}
property_list_changed_notify();
}
bool BoneAttachment::get_use_external_skeleton() const {
return use_external_skeleton;
}
void BoneAttachment::set_external_skeleton(NodePath p_path) {
external_skeleton_node = p_path;
_update_external_skeleton_cache();
property_list_changed_notify();
}
NodePath BoneAttachment::get_external_skeleton() const {
return external_skeleton_node;
}
void BoneAttachment::on_bone_pose_update(int p_bone_index) {
if (bone_idx == p_bone_index) {
Skeleton *sk = _get_skeleton();
if (sk) {
if (!override_pose) {
if (use_external_skeleton) {
set_global_transform(sk->global_pose_to_world_transform(sk->get_bone_global_pose(bone_idx)));
} else {
set_transform(sk->get_bone_global_pose(bone_idx));
}
} else {
if (!_override_dirty) {
_transform_changed();
_override_dirty = true;
}
}
}
}
}
String BoneAttachment::get_configuration_warning() const {
String warnings = Spatial::get_configuration_warning();
if (use_external_skeleton) {
if (external_skeleton_node_cache == 0) {
warnings += RTR("External Skeleton3D node not set! Please set a path to an external Skeleton3D node.");
}
} else {
Skeleton *parent = Object::cast_to<Skeleton>(get_parent());
if (!parent) {
warnings += 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.");
}
}
if (bone_idx == -1) {
warnings += RTR("BoneAttachment3D node is not bound to any bones! Please select a bone to attach this node.");
}
return warnings;
}
BoneAttachment::BoneAttachment() {
bound = false;
bone_idx = -1;
override_pose = false;
override_mode = MODE_GLOBAL_POSE;
_override_dirty = false;
use_external_skeleton = false;
external_skeleton_node_cache = 0;
set_notify_transform(true);
}
void BoneAttachment::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE: {
if (use_external_skeleton) {
_update_external_skeleton_cache();
}
_check_bind();
} break;
case NOTIFICATION_EXIT_TREE: {
_check_unbind();
} break;
case NOTIFICATION_LOCAL_TRANSFORM_CHANGED: {
_transform_changed();
} break;
case NOTIFICATION_INTERNAL_PROCESS: {
if (_override_dirty) {
_override_dirty = false;
}
} break;
}
}
void BoneAttachment::_validate_property(PropertyInfo &property) const {
if (property.name == "bone_name") {
// Because it is a constant function, we cannot use the _get_skeleton_3d function.
const Skeleton *parent = nullptr;
if (use_external_skeleton) {
if (external_skeleton_node_cache != 0) {
parent = Object::cast_to<Skeleton>(ObjectDB::get_instance(external_skeleton_node_cache));
}
} else {
parent = Object::cast_to<Skeleton>(get_parent());
}
if (parent) {
String names;
for (int i = 0; i < parent->get_bone_count(); i++) {
if (i > 0) {
names += ",";
}
names += parent->get_bone_name(i);
}
property.hint = PROPERTY_HINT_ENUM;
property.hint_string = names;
} else {
property.hint = PROPERTY_HINT_NONE;
property.hint_string = "";
}
}
}
bool BoneAttachment::_set(const StringName &p_path, const Variant &p_value) {
if (p_path == "override_pose") {
set_override_pose(p_value);
} else if (p_path == "override_mode") {
set_override_mode(p_value);
} else if (p_path == "use_external_skeleton") {
set_use_external_skeleton(p_value);
} else if (p_path == "external_skeleton") {
set_external_skeleton(p_value);
}
return true;
}
bool BoneAttachment::_get(const StringName &p_path, Variant &r_ret) const {
if (p_path == "override_pose") {
r_ret = get_override_pose();
} else if (p_path == "override_mode") {
r_ret = get_override_mode();
} else if (p_path == "use_external_skeleton") {
r_ret = get_use_external_skeleton();
} else if (p_path == "external_skeleton") {
r_ret = get_external_skeleton();
}
return true;
}
void BoneAttachment::_get_property_list(List<PropertyInfo> *p_list) const {
p_list->push_back(PropertyInfo(Variant::BOOL, "override_pose", PROPERTY_HINT_NONE, ""));
if (override_pose) {
p_list->push_back(PropertyInfo(Variant::INT, "override_mode", PROPERTY_HINT_ENUM, "Global Pose Override,Local Pose Override,Custom Pose"));
}
p_list->push_back(PropertyInfo(Variant::BOOL, "use_external_skeleton", PROPERTY_HINT_NONE, ""));
if (use_external_skeleton) {
p_list->push_back(PropertyInfo(Variant::NODE_PATH, "external_skeleton", PROPERTY_HINT_NODE_PATH_VALID_TYPES, "Skeleton3D"));
}
}
void BoneAttachment::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_bone_name", "bone_name"), &BoneAttachment::set_bone_name);
ClassDB::bind_method(D_METHOD("get_bone_name"), &BoneAttachment::get_bone_name);
ADD_PROPERTY(PropertyInfo(Variant::STRING_NAME, "bone_name"), "set_bone_name", "get_bone_name");
ClassDB::bind_method(D_METHOD("set_bone_idx", "bone_idx"), &BoneAttachment::set_bone_idx);
ClassDB::bind_method(D_METHOD("get_bone_idx"), &BoneAttachment::get_bone_idx);
ADD_PROPERTY(PropertyInfo(Variant::INT, "bone_idx"), "set_bone_idx", "get_bone_idx");
ClassDB::bind_method(D_METHOD("on_bone_pose_update", "bone_index"), &BoneAttachment::on_bone_pose_update);
ClassDB::bind_method(D_METHOD("set_override_pose", "override_pose"), &BoneAttachment::set_override_pose);
ClassDB::bind_method(D_METHOD("get_override_pose"), &BoneAttachment::get_override_pose);
ClassDB::bind_method(D_METHOD("set_override_mode", "override_mode"), &BoneAttachment::set_override_mode);
ClassDB::bind_method(D_METHOD("get_override_mode"), &BoneAttachment::get_override_mode);
ClassDB::bind_method(D_METHOD("set_use_external_skeleton", "use_external_skeleton"), &BoneAttachment::set_use_external_skeleton);
ClassDB::bind_method(D_METHOD("get_use_external_skeleton"), &BoneAttachment::get_use_external_skeleton);
ClassDB::bind_method(D_METHOD("set_external_skeleton", "external_skeleton"), &BoneAttachment::set_external_skeleton);
ClassDB::bind_method(D_METHOD("get_external_skeleton"), &BoneAttachment::get_external_skeleton);
}
void BoneAttachment::_check_bind() {
Skeleton *sk = _get_skeleton();
if (sk && !bound) {
if (bone_idx <= -1) {
bone_idx = sk->find_bone(bone_name);
}
if (bone_idx != -1) {
//sk->call_deferred("connect", "bone_pose_changed", this, "on_bone_pose_update");
//call_deferred("on_bone_pose_update", bone_idx);
bound = true;
on_bone_pose_update(bone_idx);
sk->connect("bone_pose_changed", this, "on_bone_pose_update");
}
}
}
void BoneAttachment::_check_unbind() {
if (bound) {
Skeleton *sk = _get_skeleton();
if (sk) {
if (bone_idx != -1) {
sk->disconnect("bone_pose_changed", this, "on_bone_pose_update");
}
}
bound = false;
}
}
void BoneAttachment::_update_external_skeleton_cache() {
external_skeleton_node_cache = 0;
if (has_node(external_skeleton_node)) {
Node *node = get_node(external_skeleton_node);
ERR_FAIL_COND_MSG(!node, "Cannot update external skeleton cache: Node cannot be found!");
// Make sure it's a skeleton3D
Skeleton *sk = Object::cast_to<Skeleton>(node);
ERR_FAIL_COND_MSG(!sk, "Cannot update external skeleton cache: Skeleton3D Nodepath does not point to a Skeleton3D node!");
external_skeleton_node_cache = node->get_instance_id();
} else {
if (external_skeleton_node.is_empty()) {
BoneAttachment *parent_attachment = Object::cast_to<BoneAttachment>(get_parent());
if (parent_attachment) {
parent_attachment->_update_external_skeleton_cache();
if (parent_attachment->has_node(parent_attachment->external_skeleton_node)) {
Node *node = parent_attachment->get_node(parent_attachment->external_skeleton_node);
ERR_FAIL_COND_MSG(!node, "Cannot update external skeleton cache: Parent's Skeleton3D node cannot be found!");
// Make sure it's a skeleton3D
Skeleton *sk = Object::cast_to<Skeleton>(node);
ERR_FAIL_COND_MSG(!sk, "Cannot update external skeleton cache: Parent Skeleton3D Nodepath does not point to a Skeleton3D node!");
external_skeleton_node_cache = node->get_instance_id();
external_skeleton_node = get_path_to(node);
}
}
}
}
}
Skeleton *BoneAttachment::_get_skeleton() {
if (use_external_skeleton) {
if (external_skeleton_node_cache != 0) {
return Object::cast_to<Skeleton>(ObjectDB::get_instance(external_skeleton_node_cache));
} else {
_update_external_skeleton_cache();
if (external_skeleton_node_cache != 0) {
return Object::cast_to<Skeleton>(ObjectDB::get_instance(external_skeleton_node_cache));
}
}
} else {
return Object::cast_to<Skeleton>(get_parent());
}
return nullptr;
}
void BoneAttachment::_transform_changed() {
if (!is_inside_tree()) {
return;
}
if (override_pose) {
Skeleton *sk = _get_skeleton();
ERR_FAIL_COND_MSG(!sk, "Cannot override pose: Skeleton not found!");
ERR_FAIL_INDEX_MSG(bone_idx, sk->get_bone_count(), "Cannot override pose: Bone index is out of range!");
Transform our_trans = get_transform();
if (use_external_skeleton) {
our_trans = sk->world_transform_to_global_pose(get_global_transform());
}
if (override_mode == OVERRIDE_MODES::MODE_GLOBAL_POSE) {
sk->set_bone_global_pose_override(bone_idx, our_trans, 1.0, true);
} else if (override_mode == OVERRIDE_MODES::MODE_LOCAL_POSE) {
sk->set_bone_local_pose_override(bone_idx, sk->global_pose_to_local_pose(bone_idx, our_trans), 1.0, true);
}
}
}
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