mirror of
https://github.com/godotengine/godot.git
synced 2024-12-27 11:24:59 +08:00
315 lines
11 KiB
C++
315 lines
11 KiB
C++
/**************************************************************************/
|
|
/* xr_hand_modifier_3d.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 "xr_hand_modifier_3d.h"
|
|
|
|
#include "scene/3d/skeleton_3d.h"
|
|
#include "servers/xr/xr_pose.h"
|
|
#include "servers/xr_server.h"
|
|
|
|
void XRHandModifier3D::_bind_methods() {
|
|
ClassDB::bind_method(D_METHOD("set_hand_tracker", "tracker_name"), &XRHandModifier3D::set_hand_tracker);
|
|
ClassDB::bind_method(D_METHOD("get_hand_tracker"), &XRHandModifier3D::get_hand_tracker);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_target", "target"), &XRHandModifier3D::set_target);
|
|
ClassDB::bind_method(D_METHOD("get_target"), &XRHandModifier3D::get_target);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_bone_update", "bone_update"), &XRHandModifier3D::set_bone_update);
|
|
ClassDB::bind_method(D_METHOD("get_bone_update"), &XRHandModifier3D::get_bone_update);
|
|
|
|
ADD_PROPERTY(PropertyInfo(Variant::STRING, "hand_tracker", PROPERTY_HINT_ENUM_SUGGESTION, "/user/left,/user/right"), "set_hand_tracker", "get_hand_tracker");
|
|
ADD_PROPERTY(PropertyInfo(Variant::NODE_PATH, "target", PROPERTY_HINT_NODE_PATH_VALID_TYPES, "Skeleton3D"), "set_target", "get_target");
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "bone_update", PROPERTY_HINT_ENUM, "Full,Rotation Only"), "set_bone_update", "get_bone_update");
|
|
|
|
BIND_ENUM_CONSTANT(BONE_UPDATE_FULL);
|
|
BIND_ENUM_CONSTANT(BONE_UPDATE_ROTATION_ONLY);
|
|
BIND_ENUM_CONSTANT(BONE_UPDATE_MAX);
|
|
}
|
|
|
|
void XRHandModifier3D::set_hand_tracker(const StringName &p_tracker_name) {
|
|
tracker_name = p_tracker_name;
|
|
}
|
|
|
|
StringName XRHandModifier3D::get_hand_tracker() const {
|
|
return tracker_name;
|
|
}
|
|
|
|
void XRHandModifier3D::set_target(const NodePath &p_target) {
|
|
target = p_target;
|
|
|
|
if (is_inside_tree()) {
|
|
_get_joint_data();
|
|
}
|
|
}
|
|
|
|
NodePath XRHandModifier3D::get_target() const {
|
|
return target;
|
|
}
|
|
|
|
void XRHandModifier3D::set_bone_update(BoneUpdate p_bone_update) {
|
|
ERR_FAIL_INDEX(p_bone_update, BONE_UPDATE_MAX);
|
|
bone_update = p_bone_update;
|
|
}
|
|
|
|
XRHandModifier3D::BoneUpdate XRHandModifier3D::get_bone_update() const {
|
|
return bone_update;
|
|
}
|
|
|
|
Skeleton3D *XRHandModifier3D::get_skeleton() {
|
|
if (!has_node(target)) {
|
|
return nullptr;
|
|
}
|
|
|
|
Node *node = get_node(target);
|
|
if (!node) {
|
|
return nullptr;
|
|
}
|
|
|
|
Skeleton3D *skeleton = Object::cast_to<Skeleton3D>(node);
|
|
return skeleton;
|
|
}
|
|
|
|
void XRHandModifier3D::_get_joint_data() {
|
|
// Table of bone names for different rig types.
|
|
static const String bone_names[XRHandTracker::HAND_JOINT_MAX] = {
|
|
"Palm",
|
|
"Hand",
|
|
"ThumbMetacarpal",
|
|
"ThumbProximal",
|
|
"ThumbDistal",
|
|
"ThumbTip",
|
|
"IndexMetacarpal",
|
|
"IndexProximal",
|
|
"IndexIntermediate",
|
|
"IndexDistal",
|
|
"IndexTip",
|
|
"MiddleMetacarpal",
|
|
"MiddleProximal",
|
|
"MiddleIntermediate",
|
|
"MiddleDistal",
|
|
"MiddleTip",
|
|
"RingMetacarpal",
|
|
"RingProximal",
|
|
"RingIntermediate",
|
|
"RingDistal",
|
|
"RingTip",
|
|
"LittleMetacarpal",
|
|
"LittleProximal",
|
|
"LittleIntermediate",
|
|
"LittleDistal",
|
|
"LittleTip",
|
|
};
|
|
|
|
static const String bone_name_format[2] = {
|
|
"Left<bone>",
|
|
"Right<bone>",
|
|
};
|
|
|
|
// reset JIC
|
|
for (int i = 0; i < XRHandTracker::HAND_JOINT_MAX; i++) {
|
|
joints[i].bone = -1;
|
|
joints[i].parent_joint = -1;
|
|
}
|
|
|
|
Skeleton3D *skeleton = get_skeleton();
|
|
if (!skeleton) {
|
|
return;
|
|
}
|
|
|
|
XRServer *xr_server = XRServer::get_singleton();
|
|
if (!xr_server) {
|
|
return;
|
|
}
|
|
|
|
Ref<XRHandTracker> tracker = xr_server->get_hand_tracker(tracker_name);
|
|
if (tracker.is_null()) {
|
|
return;
|
|
}
|
|
|
|
XRHandTracker::Hand hand = tracker->get_hand();
|
|
|
|
// Find the skeleton-bones associated with each joint.
|
|
int bones[XRHandTracker::HAND_JOINT_MAX];
|
|
for (int i = 0; i < XRHandTracker::HAND_JOINT_MAX; i++) {
|
|
// Construct the expected bone name.
|
|
String bone_name = bone_name_format[hand].replace("<bone>", bone_names[i]);
|
|
|
|
// Find the skeleton bone.
|
|
bones[i] = skeleton->find_bone(bone_name);
|
|
if (bones[i] == -1) {
|
|
WARN_PRINT(vformat("Couldn't obtain bone for %s", bone_name));
|
|
}
|
|
}
|
|
|
|
// Assemble the joint relationship to the available skeleton bones.
|
|
for (int i = 0; i < XRHandTracker::HAND_JOINT_MAX; i++) {
|
|
// Get the skeleton bone (skip if not found).
|
|
const int bone = bones[i];
|
|
if (bone == -1) {
|
|
continue;
|
|
}
|
|
|
|
// Find the parent skeleton-bone.
|
|
const int parent_bone = skeleton->get_bone_parent(bone);
|
|
if (parent_bone == -1) {
|
|
// If no parent skeleton-bone exists then drive this relative to palm joint.
|
|
joints[i].bone = bone;
|
|
joints[i].parent_joint = XRHandTracker::HAND_JOINT_PALM;
|
|
continue;
|
|
}
|
|
|
|
// Find the joint associated with the parent skeleton-bone.
|
|
for (int j = 0; j < XRHandTracker::HAND_JOINT_MAX; ++j) {
|
|
if (bones[j] == parent_bone) {
|
|
// If a parent joint is found then drive this bone relative to it.
|
|
joints[i].bone = bone;
|
|
joints[i].parent_joint = j;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void XRHandModifier3D::_update_skeleton() {
|
|
Skeleton3D *skeleton = get_skeleton();
|
|
if (!skeleton) {
|
|
return;
|
|
}
|
|
|
|
XRServer *xr_server = XRServer::get_singleton();
|
|
if (!xr_server) {
|
|
return;
|
|
}
|
|
|
|
Ref<XRHandTracker> tracker = xr_server->get_hand_tracker(tracker_name);
|
|
if (tracker.is_null()) {
|
|
return;
|
|
}
|
|
|
|
// Get the world and skeleton scale.
|
|
const float ws = xr_server->get_world_scale();
|
|
const float ss = skeleton->get_motion_scale();
|
|
|
|
// We cache our transforms so we can quickly calculate local transforms.
|
|
bool has_valid_data[XRHandTracker::HAND_JOINT_MAX];
|
|
Transform3D transforms[XRHandTracker::HAND_JOINT_MAX];
|
|
Transform3D inv_transforms[XRHandTracker::HAND_JOINT_MAX];
|
|
|
|
if (tracker->get_has_tracking_data()) {
|
|
for (int joint = 0; joint < XRHandTracker::HAND_JOINT_MAX; joint++) {
|
|
BitField<XRHandTracker::HandJointFlags> flags = tracker->get_hand_joint_flags((XRHandTracker::HandJoint)joint);
|
|
has_valid_data[joint] = flags.has_flag(XRHandTracker::HAND_JOINT_FLAG_ORIENTATION_VALID);
|
|
|
|
if (has_valid_data[joint]) {
|
|
transforms[joint] = tracker->get_hand_joint_transform((XRHandTracker::HandJoint)joint);
|
|
transforms[joint].origin *= ss;
|
|
inv_transforms[joint] = transforms[joint].inverse();
|
|
}
|
|
}
|
|
|
|
if (has_valid_data[XRHandTracker::HAND_JOINT_PALM]) {
|
|
for (int joint = 0; joint < XRHandTracker::HAND_JOINT_MAX; joint++) {
|
|
// Get the skeleton bone (skip if none).
|
|
const int bone = joints[joint].bone;
|
|
if (bone == -1) {
|
|
continue;
|
|
}
|
|
|
|
// Calculate the relative relationship to the parent bone joint.
|
|
const int parent_joint = joints[joint].parent_joint;
|
|
const Transform3D relative_transform = inv_transforms[parent_joint] * transforms[joint];
|
|
|
|
// Update the bone position if enabled by update mode.
|
|
if (bone_update == BONE_UPDATE_FULL) {
|
|
skeleton->set_bone_pose_position(joints[joint].bone, relative_transform.origin);
|
|
}
|
|
|
|
// Always update the bone rotation.
|
|
skeleton->set_bone_pose_rotation(joints[joint].bone, Quaternion(relative_transform.basis));
|
|
}
|
|
|
|
// Transform to the skeleton pose. This uses the HAND_JOINT_PALM position without skeleton-scaling, as it
|
|
// must be positioned to match the physical hand location. It is scaled with the world space to match
|
|
// the scaling done to the camera and eyes.
|
|
set_transform(
|
|
tracker->get_hand_joint_transform(XRHandTracker::HAND_JOINT_PALM) * ws);
|
|
|
|
set_visible(true);
|
|
} else {
|
|
set_visible(false);
|
|
}
|
|
} else {
|
|
set_visible(false);
|
|
}
|
|
}
|
|
|
|
void XRHandModifier3D::_tracker_changed(StringName p_tracker_name, const Ref<XRHandTracker> &p_tracker) {
|
|
if (tracker_name == p_tracker_name) {
|
|
_get_joint_data();
|
|
}
|
|
}
|
|
|
|
void XRHandModifier3D::_notification(int p_what) {
|
|
switch (p_what) {
|
|
case NOTIFICATION_ENTER_TREE: {
|
|
XRServer *xr_server = XRServer::get_singleton();
|
|
if (xr_server) {
|
|
xr_server->connect("hand_tracker_added", callable_mp(this, &XRHandModifier3D::_tracker_changed));
|
|
xr_server->connect("hand_tracker_updated", callable_mp(this, &XRHandModifier3D::_tracker_changed));
|
|
xr_server->connect("hand_tracker_removed", callable_mp(this, &XRHandModifier3D::_tracker_changed).bind(Ref<XRHandTracker>()));
|
|
}
|
|
|
|
_get_joint_data();
|
|
|
|
set_process_internal(true);
|
|
} break;
|
|
case NOTIFICATION_EXIT_TREE: {
|
|
XRServer *xr_server = XRServer::get_singleton();
|
|
if (xr_server) {
|
|
xr_server->disconnect("hand_tracker_added", callable_mp(this, &XRHandModifier3D::_tracker_changed));
|
|
xr_server->disconnect("hand_tracker_updated", callable_mp(this, &XRHandModifier3D::_tracker_changed));
|
|
xr_server->disconnect("hand_tracker_removed", callable_mp(this, &XRHandModifier3D::_tracker_changed).bind(Ref<XRHandTracker>()));
|
|
}
|
|
|
|
set_process_internal(false);
|
|
|
|
for (int i = 0; i < XRHandTracker::HAND_JOINT_MAX; i++) {
|
|
joints[i].bone = -1;
|
|
joints[i].parent_joint = -1;
|
|
}
|
|
} break;
|
|
case NOTIFICATION_INTERNAL_PROCESS: {
|
|
_update_skeleton();
|
|
} break;
|
|
default: {
|
|
} break;
|
|
}
|
|
}
|