/**************************************************************************/ /* xr_nodes.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_nodes.h" #include "core/config/project_settings.h" #include "scene/main/viewport.h" #include "servers/xr/xr_interface.h" //////////////////////////////////////////////////////////////////////////////////////////////////// void XRCamera3D::_bind_tracker() { … } void XRCamera3D::_unbind_tracker() { … } void XRCamera3D::_changed_tracker(const StringName &p_tracker_name, int p_tracker_type) { … } void XRCamera3D::_removed_tracker(const StringName &p_tracker_name, int p_tracker_type) { … } void XRCamera3D::_pose_changed(const Ref<XRPose> &p_pose) { … } PackedStringArray XRCamera3D::get_configuration_warnings() const { PackedStringArray warnings = Node::get_configuration_warnings(); if (is_visible() && is_inside_tree()) { // Warn if the node has a parent which isn't an XROrigin3D! Node *parent = get_parent(); XROrigin3D *origin = Object::cast_to<XROrigin3D>(parent); if (parent && origin == nullptr) { warnings.push_back(RTR("XRCamera3D may not function as expected without an XROrigin3D node as its parent.")); }; } return warnings; }; Vector3 XRCamera3D::project_local_ray_normal(const Point2 &p_pos) const { // get our XRServer XRServer *xr_server = XRServer::get_singleton(); ERR_FAIL_NULL_V(xr_server, Vector3()); Ref<XRInterface> xr_interface = xr_server->get_primary_interface(); if (xr_interface.is_null()) { // we might be in the editor or have VR turned off, just call superclass return Camera3D::project_local_ray_normal(p_pos); } ERR_FAIL_COND_V_MSG(!is_inside_tree(), Vector3(), "Camera is not inside scene."); Size2 viewport_size = get_viewport()->get_camera_rect_size(); Vector2 cpos = get_viewport()->get_camera_coords(p_pos); Vector3 ray; // Just use the first view, if multiple views are supported this function has no good result Projection cm = xr_interface->get_projection_for_view(0, viewport_size.aspect(), get_near(), get_far()); Vector2 screen_he = cm.get_viewport_half_extents(); ray = Vector3(((cpos.x / viewport_size.width) * 2.0 - 1.0) * screen_he.x, ((1.0 - (cpos.y / viewport_size.height)) * 2.0 - 1.0) * screen_he.y, -get_near()).normalized(); return ray; }; Point2 XRCamera3D::unproject_position(const Vector3 &p_pos) const { // get our XRServer XRServer *xr_server = XRServer::get_singleton(); ERR_FAIL_NULL_V(xr_server, Vector2()); Ref<XRInterface> xr_interface = xr_server->get_primary_interface(); if (xr_interface.is_null()) { // we might be in the editor or have VR turned off, just call superclass return Camera3D::unproject_position(p_pos); } ERR_FAIL_COND_V_MSG(!is_inside_tree(), Vector2(), "Camera is not inside scene."); Size2 viewport_size = get_viewport()->get_visible_rect().size; // Just use the first view, if multiple views are supported this function has no good result Projection cm = xr_interface->get_projection_for_view(0, viewport_size.aspect(), get_near(), get_far()); Plane p(get_camera_transform().xform_inv(p_pos), 1.0); p = cm.xform4(p); p.normal /= p.d; Point2 res; res.x = (p.normal.x * 0.5 + 0.5) * viewport_size.x; res.y = (-p.normal.y * 0.5 + 0.5) * viewport_size.y; return res; }; Vector3 XRCamera3D::project_position(const Point2 &p_point, real_t p_z_depth) const { // get our XRServer XRServer *xr_server = XRServer::get_singleton(); ERR_FAIL_NULL_V(xr_server, Vector3()); Ref<XRInterface> xr_interface = xr_server->get_primary_interface(); if (xr_interface.is_null()) { // we might be in the editor or have VR turned off, just call superclass return Camera3D::project_position(p_point, p_z_depth); } ERR_FAIL_COND_V_MSG(!is_inside_tree(), Vector3(), "Camera is not inside scene."); Size2 viewport_size = get_viewport()->get_visible_rect().size; // Just use the first view, if multiple views are supported this function has no good result Projection cm = xr_interface->get_projection_for_view(0, viewport_size.aspect(), get_near(), get_far()); Vector2 vp_he = cm.get_viewport_half_extents(); Vector2 point; point.x = (p_point.x / viewport_size.x) * 2.0 - 1.0; point.y = (1.0 - (p_point.y / viewport_size.y)) * 2.0 - 1.0; point *= vp_he; Vector3 p(point.x, point.y, -p_z_depth); return get_camera_transform().xform(p); }; Vector<Plane> XRCamera3D::get_frustum() const { // get our XRServer XRServer *xr_server = XRServer::get_singleton(); ERR_FAIL_NULL_V(xr_server, Vector<Plane>()); Ref<XRInterface> xr_interface = xr_server->get_primary_interface(); if (xr_interface.is_null()) { // we might be in the editor or have VR turned off, just call superclass return Camera3D::get_frustum(); } ERR_FAIL_COND_V(!is_inside_world(), Vector<Plane>()); Size2 viewport_size = get_viewport()->get_visible_rect().size; // TODO Just use the first view for now, this is mostly for debugging so we may look into using our combined projection here. Projection cm = xr_interface->get_projection_for_view(0, viewport_size.aspect(), get_near(), get_far()); return cm.get_projection_planes(get_camera_transform()); }; XRCamera3D::XRCamera3D() { … } XRCamera3D::~XRCamera3D() { … } //////////////////////////////////////////////////////////////////////////////////////////////////// // XRNode3D is a node that has it's transform updated by an XRPositionalTracker. // Note that trackers are only available in runtime and only after an XRInterface registers one. // So we bind by name and as long as a tracker isn't available, our node remains inactive. void XRNode3D::_bind_methods() { ClassDB::bind_method(D_METHOD("set_tracker", "tracker_name"), &XRNode3D::set_tracker); ClassDB::bind_method(D_METHOD("get_tracker"), &XRNode3D::get_tracker); ADD_PROPERTY(PropertyInfo(Variant::STRING, "tracker", PROPERTY_HINT_ENUM_SUGGESTION), "set_tracker", "get_tracker"); ClassDB::bind_method(D_METHOD("set_pose_name", "pose"), &XRNode3D::set_pose_name); ClassDB::bind_method(D_METHOD("get_pose_name"), &XRNode3D::get_pose_name); ADD_PROPERTY(PropertyInfo(Variant::STRING, "pose", PROPERTY_HINT_ENUM_SUGGESTION), "set_pose_name", "get_pose_name"); ClassDB::bind_method(D_METHOD("set_show_when_tracked", "show"), &XRNode3D::set_show_when_tracked); ClassDB::bind_method(D_METHOD("get_show_when_tracked"), &XRNode3D::get_show_when_tracked); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "show_when_tracked"), "set_show_when_tracked", "get_show_when_tracked"); ClassDB::bind_method(D_METHOD("get_is_active"), &XRNode3D::get_is_active); ClassDB::bind_method(D_METHOD("get_has_tracking_data"), &XRNode3D::get_has_tracking_data); ClassDB::bind_method(D_METHOD("get_pose"), &XRNode3D::get_pose); ClassDB::bind_method(D_METHOD("trigger_haptic_pulse", "action_name", "frequency", "amplitude", "duration_sec", "delay_sec"), &XRNode3D::trigger_haptic_pulse); ADD_SIGNAL(MethodInfo("tracking_changed", PropertyInfo(Variant::BOOL, "tracking"))); }; void XRNode3D::_validate_property(PropertyInfo &p_property) const { … } void XRNode3D::set_tracker(const StringName &p_tracker_name) { … } StringName XRNode3D::get_tracker() const { … } void XRNode3D::set_pose_name(const StringName &p_pose_name) { … } StringName XRNode3D::get_pose_name() const { … } void XRNode3D::set_show_when_tracked(bool p_show) { … } bool XRNode3D::get_show_when_tracked() const { … } bool XRNode3D::get_is_active() const { … } bool XRNode3D::get_has_tracking_data() const { … } void XRNode3D::trigger_haptic_pulse(const String &p_action_name, double p_frequency, double p_amplitude, double p_duration_sec, double p_delay_sec) { … } Ref<XRPose> XRNode3D::get_pose() { … } void XRNode3D::_bind_tracker() { … } void XRNode3D::_unbind_tracker() { … } void XRNode3D::_changed_tracker(const StringName &p_tracker_name, int p_tracker_type) { … } void XRNode3D::_removed_tracker(const StringName &p_tracker_name, int p_tracker_type) { … } void XRNode3D::_pose_changed(const Ref<XRPose> &p_pose) { … } void XRNode3D::_pose_lost_tracking(const Ref<XRPose> &p_pose) { … } void XRNode3D::_set_has_tracking_data(bool p_has_tracking_data) { … } void XRNode3D::_update_visibility() { … } XRNode3D::XRNode3D() { … } XRNode3D::~XRNode3D() { … } PackedStringArray XRNode3D::get_configuration_warnings() const { … } //////////////////////////////////////////////////////////////////////////////////////////////////// void XRController3D::_bind_methods() { // passthroughs to information about our related joystick ClassDB::bind_method(D_METHOD("is_button_pressed", "name"), &XRController3D::is_button_pressed); ClassDB::bind_method(D_METHOD("get_input", "name"), &XRController3D::get_input); ClassDB::bind_method(D_METHOD("get_float", "name"), &XRController3D::get_float); ClassDB::bind_method(D_METHOD("get_vector2", "name"), &XRController3D::get_vector2); ClassDB::bind_method(D_METHOD("get_tracker_hand"), &XRController3D::get_tracker_hand); ADD_SIGNAL(MethodInfo("button_pressed", PropertyInfo(Variant::STRING, "name"))); ADD_SIGNAL(MethodInfo("button_released", PropertyInfo(Variant::STRING, "name"))); ADD_SIGNAL(MethodInfo("input_float_changed", PropertyInfo(Variant::STRING, "name"), PropertyInfo(Variant::FLOAT, "value"))); ADD_SIGNAL(MethodInfo("input_vector2_changed", PropertyInfo(Variant::STRING, "name"), PropertyInfo(Variant::VECTOR2, "value"))); ADD_SIGNAL(MethodInfo("profile_changed", PropertyInfo(Variant::STRING, "role"))); }; void XRController3D::_bind_tracker() { … } void XRController3D::_unbind_tracker() { … } void XRController3D::_button_pressed(const String &p_name) { … } void XRController3D::_button_released(const String &p_name) { … } void XRController3D::_input_float_changed(const String &p_name, float p_value) { … } void XRController3D::_input_vector2_changed(const String &p_name, Vector2 p_value) { … } void XRController3D::_profile_changed(const String &p_role) { … } bool XRController3D::is_button_pressed(const StringName &p_name) const { … } Variant XRController3D::get_input(const StringName &p_name) const { … } float XRController3D::get_float(const StringName &p_name) const { … } Vector2 XRController3D::get_vector2(const StringName &p_name) const { … } XRPositionalTracker::TrackerHand XRController3D::get_tracker_hand() const { … } //////////////////////////////////////////////////////////////////////////////////////////////////// void XRAnchor3D::_bind_methods() { … } Vector3 XRAnchor3D::get_size() const { … } Plane XRAnchor3D::get_plane() const { … } //////////////////////////////////////////////////////////////////////////////////////////////////// Vector<XROrigin3D *> XROrigin3D::origin_nodes; PackedStringArray XROrigin3D::get_configuration_warnings() const { … } void XROrigin3D::_bind_methods() { … } real_t XROrigin3D::get_world_scale() const { … } void XROrigin3D::set_world_scale(real_t p_world_scale) { … } void XROrigin3D::_set_current(bool p_enabled, bool p_update_others) { … } void XROrigin3D::set_current(bool p_enabled) { … } bool XROrigin3D::is_current() const { … } void XROrigin3D::_notification(int p_what) { … }
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