diff --git a/doc/classes/XROrigin3D.xml b/doc/classes/XROrigin3D.xml index 7acee097e7b..506d0fce41e 100644 --- a/doc/classes/XROrigin3D.xml +++ b/doc/classes/XROrigin3D.xml @@ -13,6 +13,9 @@ $DOCS_URL/tutorials/xr/index.html + + Is this XROrigin3D node the current origin used by the [XRServer]? + Allows you to adjust the scale to your game's units. Most AR/VR platforms assume a scale of 1 game world unit = 1 real world meter. [b]Note:[/b] This method is a passthrough to the [XRServer] itself. diff --git a/scene/3d/xr_nodes.cpp b/scene/3d/xr_nodes.cpp index 4401d22f301..fe4ccbc7dc7 100644 --- a/scene/3d/xr_nodes.cpp +++ b/scene/3d/xr_nodes.cpp @@ -36,49 +36,37 @@ //////////////////////////////////////////////////////////////////////////////////////////////////// -void XRCamera3D::_notification(int p_what) { - switch (p_what) { - case NOTIFICATION_ENTER_TREE: { - // need to find our XROrigin3D parent and let it know we're its camera! - XROrigin3D *origin = Object::cast_to(get_parent()); - if (origin != nullptr) { - origin->set_tracked_camera(this); - } - } break; +void XRCamera3D::_bind_tracker() { + XRServer *xr_server = XRServer::get_singleton(); + ERR_FAIL_NULL(xr_server); - case NOTIFICATION_EXIT_TREE: { - // need to find our XROrigin3D parent and let it know we're no longer its camera! - XROrigin3D *origin = Object::cast_to(get_parent()); - if (origin != nullptr && origin->get_tracked_camera() == this) { - origin->set_tracked_camera(nullptr); - } - } break; + tracker = xr_server->get_tracker(tracker_name); + if (tracker.is_valid()) { + tracker->connect("pose_changed", callable_mp(this, &XRCamera3D::_pose_changed)); + + Ref pose = tracker->get_pose(pose_name); + if (pose.is_valid()) { + set_transform(pose->get_adjusted_transform()); + } } } +void XRCamera3D::_unbind_tracker() { + if (tracker.is_valid()) { + tracker->disconnect("pose_changed", callable_mp(this, &XRCamera3D::_pose_changed)); + } + tracker.unref(); +} + void XRCamera3D::_changed_tracker(const StringName p_tracker_name, int p_tracker_type) { if (p_tracker_name == tracker_name) { - XRServer *xr_server = XRServer::get_singleton(); - ERR_FAIL_NULL(xr_server); - - tracker = xr_server->get_tracker(p_tracker_name); - if (tracker.is_valid()) { - tracker->connect("pose_changed", callable_mp(this, &XRCamera3D::_pose_changed)); - - Ref pose = tracker->get_pose(pose_name); - if (pose.is_valid()) { - set_transform(pose->get_adjusted_transform()); - } - } + _bind_tracker(); } } void XRCamera3D::_removed_tracker(const StringName p_tracker_name, int p_tracker_type) { if (p_tracker_name == tracker_name) { - if (tracker.is_valid()) { - tracker->disconnect("pose_changed", callable_mp(this, &XRCamera3D::_pose_changed)); - } - tracker.unref(); + _unbind_tracker(); } } @@ -213,6 +201,9 @@ XRCamera3D::XRCamera3D() { xr_server->connect("tracker_added", callable_mp(this, &XRCamera3D::_changed_tracker)); xr_server->connect("tracker_updated", callable_mp(this, &XRCamera3D::_changed_tracker)); xr_server->connect("tracker_removed", callable_mp(this, &XRCamera3D::_removed_tracker)); + + // check if our tracker already exists and if so, bind it... + _bind_tracker(); } XRCamera3D::~XRCamera3D() { @@ -582,11 +573,22 @@ Plane XRAnchor3D::get_plane() const { //////////////////////////////////////////////////////////////////////////////////////////////////// +Vector XROrigin3D::origin_nodes; + PackedStringArray XROrigin3D::get_configuration_warnings() const { PackedStringArray warnings = Node::get_configuration_warnings(); if (is_visible() && is_inside_tree()) { - if (tracked_camera == nullptr) { + bool has_camera = false; + for (int i = 0; !has_camera && i < get_child_count(); i++) { + XRCamera3D *camera = Object::cast_to(get_child(i)); + if (camera) { + // found it! + has_camera = true; + } + } + + if (!has_camera) { warnings.push_back(RTR("XROrigin3D requires an XRCamera3D child node.")); } } @@ -603,14 +605,10 @@ void XROrigin3D::_bind_methods() { ClassDB::bind_method(D_METHOD("set_world_scale", "world_scale"), &XROrigin3D::set_world_scale); ClassDB::bind_method(D_METHOD("get_world_scale"), &XROrigin3D::get_world_scale); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "world_scale"), "set_world_scale", "get_world_scale"); -} -void XROrigin3D::set_tracked_camera(XRCamera3D *p_tracked_camera) { - tracked_camera = p_tracked_camera; -} - -XRCamera3D *XROrigin3D::get_tracked_camera() const { - return tracked_camera; + ClassDB::bind_method(D_METHOD("set_current", "enabled"), &XROrigin3D::set_current); + ClassDB::bind_method(D_METHOD("is_current"), &XROrigin3D::is_current); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "current"), "set_current", "is_current"); } real_t XROrigin3D::get_world_scale() const { @@ -629,6 +627,44 @@ void XROrigin3D::set_world_scale(real_t p_world_scale) { xr_server->set_world_scale(p_world_scale); } +void XROrigin3D::set_current(bool p_enabled) { + current = p_enabled; + + if (!is_inside_tree() || Engine::get_singleton()->is_editor_hint()) { + return; + } + + // Notify us of any transform changes + set_notify_local_transform(current); + set_notify_transform(current); + + if (current) { + for (int i = 0; i < origin_nodes.size(); i++) { + if (origin_nodes[i] != this) { + origin_nodes[i]->set_current(false); + } + } + } else { + bool found = false; + // We no longer have a current origin so find the first one we can make current + for (int i = 0; !found && i < origin_nodes.size(); i++) { + if (origin_nodes[i] != this) { + origin_nodes[i]->set_current(true); + found = true; + } + } + } +} + +bool XROrigin3D::is_current() const { + if (Engine::get_singleton()->is_editor_hint()) { + // return as is + return current; + } else { + return current && is_inside_tree(); + } +} + void XROrigin3D::_notification(int p_what) { // get our XRServer XRServer *xr_server = XRServer::get_singleton(); @@ -636,34 +672,47 @@ void XROrigin3D::_notification(int p_what) { switch (p_what) { case NOTIFICATION_ENTER_TREE: { - set_process_internal(true); + if (!Engine::get_singleton()->is_editor_hint()) { + if (origin_nodes.is_empty()) { + // first entry always becomes current + current = true; + } + + origin_nodes.push_back(this); + + if (current) { + // set this again so we do whatever setup is needed. + set_current(true); + } + } } break; case NOTIFICATION_EXIT_TREE: { - set_process_internal(false); + if (!Engine::get_singleton()->is_editor_hint()) { + origin_nodes.erase(this); + + if (current) { + // We are no longer current + set_current(false); + } + } } break; - case NOTIFICATION_INTERNAL_PROCESS: { - // set our world origin to our node transform - xr_server->set_world_origin(get_global_transform()); - - // check if we have a primary interface - Ref xr_interface = xr_server->get_primary_interface(); - if (xr_interface.is_valid() && tracked_camera != nullptr) { - // get our positioning transform for our headset - Transform3D t = xr_interface->get_camera_transform(); - - // now apply this to our camera - tracked_camera->set_transform(t); + case NOTIFICATION_LOCAL_TRANSFORM_CHANGED: + case NOTIFICATION_TRANSFORM_CHANGED: { + if (current && !Engine::get_singleton()->is_editor_hint()) { + xr_server->set_world_origin(get_global_transform()); } } break; } - // send our notification to all active XE interfaces, they may need to react to it also - for (int i = 0; i < xr_server->get_interface_count(); i++) { - Ref interface = xr_server->get_interface(i); - if (interface.is_valid() && interface->is_initialized()) { - interface->notification(p_what); + if (current) { + // send our notification to all active XE interfaces, they may need to react to it also + for (int i = 0; i < xr_server->get_interface_count(); i++) { + Ref interface = xr_server->get_interface(i); + if (interface.is_valid() && interface->is_initialized()) { + interface->notification(p_what); + } } } } diff --git a/scene/3d/xr_nodes.h b/scene/3d/xr_nodes.h index ef846cc3a34..990fb619838 100644 --- a/scene/3d/xr_nodes.h +++ b/scene/3d/xr_nodes.h @@ -48,8 +48,8 @@ protected: StringName pose_name = "default"; Ref tracker; - void _notification(int p_what); - + void _bind_tracker(); + void _unbind_tracker(); void _changed_tracker(const StringName p_tracker_name, int p_tracker_type); void _removed_tracker(const StringName p_tracker_name, int p_tracker_type); void _pose_changed(const Ref &p_pose); @@ -180,7 +180,8 @@ class XROrigin3D : public Node3D { GDCLASS(XROrigin3D, Node3D); private: - XRCamera3D *tracked_camera = nullptr; + bool current = false; + static Vector origin_nodes; // all origin nodes in tree protected: void _notification(int p_what); @@ -189,12 +190,12 @@ protected: public: PackedStringArray get_configuration_warnings() const override; - void set_tracked_camera(XRCamera3D *p_tracked_camera); - XRCamera3D *get_tracked_camera() const; - real_t get_world_scale() const; void set_world_scale(real_t p_world_scale); + void set_current(bool p_enabled); + bool is_current() const; + XROrigin3D() {} ~XROrigin3D() {} };