632 lines
20 KiB
C++
632 lines
20 KiB
C++
/*************************************************************************/
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/* arvr_nodes.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) 2007-2019 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */
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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 "arvr_nodes.h"
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#include "core/os/input.h"
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#include "servers/arvr/arvr_interface.h"
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#include "servers/arvr_server.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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void ARVRCamera::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_ENTER_TREE: {
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// need to find our ARVROrigin parent and let it know we're its camera!
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ARVROrigin *origin = Object::cast_to<ARVROrigin>(get_parent());
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if (origin != NULL) {
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origin->set_tracked_camera(this);
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}
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}; break;
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case NOTIFICATION_EXIT_TREE: {
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// need to find our ARVROrigin parent and let it know we're no longer its camera!
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ARVROrigin *origin = Object::cast_to<ARVROrigin>(get_parent());
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if (origin != NULL) {
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origin->clear_tracked_camera_if(this);
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}
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}; break;
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};
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};
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String ARVRCamera::get_configuration_warning() const {
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if (!is_visible() || !is_inside_tree())
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return String();
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// must be child node of ARVROrigin!
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ARVROrigin *origin = Object::cast_to<ARVROrigin>(get_parent());
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if (origin == NULL) {
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return TTR("ARVRCamera must have an ARVROrigin node as its parent");
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};
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return String();
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};
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Vector3 ARVRCamera::project_local_ray_normal(const Point2 &p_pos) const {
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// get our ARVRServer
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ARVRServer *arvr_server = ARVRServer::get_singleton();
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ERR_FAIL_NULL_V(arvr_server, Vector3());
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Ref<ARVRInterface> arvr_interface = arvr_server->get_primary_interface();
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if (arvr_interface.is_null()) {
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// we might be in the editor or have VR turned off, just call superclass
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return Camera::project_local_ray_normal(p_pos);
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}
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if (!is_inside_tree()) {
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ERR_EXPLAIN("Camera is not inside scene.");
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ERR_FAIL_COND_V(!is_inside_tree(), Vector3());
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};
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Size2 viewport_size = get_viewport()->get_camera_rect_size();
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Vector2 cpos = get_viewport()->get_camera_coords(p_pos);
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Vector3 ray;
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CameraMatrix cm = arvr_interface->get_projection_for_eye(ARVRInterface::EYE_MONO, viewport_size.aspect(), get_znear(), get_zfar());
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float screen_w, screen_h;
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cm.get_viewport_size(screen_w, screen_h);
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ray = Vector3(((cpos.x / viewport_size.width) * 2.0 - 1.0) * screen_w, ((1.0 - (cpos.y / viewport_size.height)) * 2.0 - 1.0) * screen_h, -get_znear()).normalized();
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return ray;
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};
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Point2 ARVRCamera::unproject_position(const Vector3 &p_pos) const {
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// get our ARVRServer
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ARVRServer *arvr_server = ARVRServer::get_singleton();
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ERR_FAIL_NULL_V(arvr_server, Vector2());
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Ref<ARVRInterface> arvr_interface = arvr_server->get_primary_interface();
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if (arvr_interface.is_null()) {
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// we might be in the editor or have VR turned off, just call superclass
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return Camera::unproject_position(p_pos);
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}
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if (!is_inside_tree()) {
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ERR_EXPLAIN("Camera is not inside scene.");
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ERR_FAIL_COND_V(!is_inside_tree(), Vector2());
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};
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Size2 viewport_size = get_viewport()->get_visible_rect().size;
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CameraMatrix cm = arvr_interface->get_projection_for_eye(ARVRInterface::EYE_MONO, viewport_size.aspect(), get_znear(), get_zfar());
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Plane p(get_camera_transform().xform_inv(p_pos), 1.0);
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p = cm.xform4(p);
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p.normal /= p.d;
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Point2 res;
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res.x = (p.normal.x * 0.5 + 0.5) * viewport_size.x;
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res.y = (-p.normal.y * 0.5 + 0.5) * viewport_size.y;
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return res;
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};
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Vector3 ARVRCamera::project_position(const Point2 &p_point, float p_z_depth) const {
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// get our ARVRServer
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ARVRServer *arvr_server = ARVRServer::get_singleton();
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ERR_FAIL_NULL_V(arvr_server, Vector3());
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Ref<ARVRInterface> arvr_interface = arvr_server->get_primary_interface();
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if (arvr_interface.is_null()) {
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// we might be in the editor or have VR turned off, just call superclass
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return Camera::project_position(p_point, p_z_depth);
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}
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if (!is_inside_tree()) {
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ERR_EXPLAIN("Camera is not inside scene.");
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ERR_FAIL_COND_V(!is_inside_tree(), Vector3());
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};
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Size2 viewport_size = get_viewport()->get_visible_rect().size;
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CameraMatrix cm = arvr_interface->get_projection_for_eye(ARVRInterface::EYE_MONO, viewport_size.aspect(), get_znear(), get_zfar());
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Size2 vp_size;
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cm.get_viewport_size(vp_size.x, vp_size.y);
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Vector2 point;
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point.x = (p_point.x / viewport_size.x) * 2.0 - 1.0;
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point.y = (1.0 - (p_point.y / viewport_size.y)) * 2.0 - 1.0;
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point *= vp_size;
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Vector3 p(point.x, point.y, -p_z_depth);
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return get_camera_transform().xform(p);
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};
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Vector<Plane> ARVRCamera::get_frustum() const {
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// get our ARVRServer
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ARVRServer *arvr_server = ARVRServer::get_singleton();
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ERR_FAIL_NULL_V(arvr_server, Vector<Plane>());
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Ref<ARVRInterface> arvr_interface = arvr_server->get_primary_interface();
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if (arvr_interface.is_null()) {
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// we might be in the editor or have VR turned off, just call superclass
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return Camera::get_frustum();
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}
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ERR_FAIL_COND_V(!is_inside_world(), Vector<Plane>());
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Size2 viewport_size = get_viewport()->get_visible_rect().size;
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CameraMatrix cm = arvr_interface->get_projection_for_eye(ARVRInterface::EYE_MONO, viewport_size.aspect(), get_znear(), get_zfar());
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return cm.get_projection_planes(get_camera_transform());
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};
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ARVRCamera::ARVRCamera(){
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// nothing to do here yet for now..
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};
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ARVRCamera::~ARVRCamera(){
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// nothing to do here yet for now..
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////
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void ARVRController::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_ENTER_TREE: {
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set_process_internal(true);
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}; break;
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case NOTIFICATION_EXIT_TREE: {
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set_process_internal(false);
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}; break;
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case NOTIFICATION_INTERNAL_PROCESS: {
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// get our ARVRServer
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ARVRServer *arvr_server = ARVRServer::get_singleton();
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ERR_FAIL_NULL(arvr_server);
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// find the tracker for our controller
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ARVRPositionalTracker *tracker = arvr_server->find_by_type_and_id(ARVRServer::TRACKER_CONTROLLER, controller_id);
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if (tracker == NULL) {
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// this controller is currently turned off
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is_active = false;
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button_states = 0;
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} else {
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is_active = true;
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set_transform(tracker->get_transform(true));
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int joy_id = tracker->get_joy_id();
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if (joy_id >= 0) {
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int mask = 1;
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// check button states
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for (int i = 0; i < 16; i++) {
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bool was_pressed = (button_states & mask) == mask;
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bool is_pressed = Input::get_singleton()->is_joy_button_pressed(joy_id, i);
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if (!was_pressed && is_pressed) {
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emit_signal("button_pressed", i);
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button_states += mask;
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} else if (was_pressed && !is_pressed) {
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emit_signal("button_release", i);
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button_states -= mask;
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};
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mask = mask << 1;
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};
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} else {
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button_states = 0;
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};
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// check for an updated mesh
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Ref<Mesh> trackerMesh = tracker->get_mesh();
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if (mesh != trackerMesh) {
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mesh = trackerMesh;
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emit_signal("mesh_updated", mesh);
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}
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};
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}; break;
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default:
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break;
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};
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};
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void ARVRController::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_controller_id", "controller_id"), &ARVRController::set_controller_id);
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ClassDB::bind_method(D_METHOD("get_controller_id"), &ARVRController::get_controller_id);
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ADD_PROPERTY(PropertyInfo(Variant::INT, "controller_id", PROPERTY_HINT_RANGE, "0,32,1"), "set_controller_id", "get_controller_id");
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ClassDB::bind_method(D_METHOD("get_controller_name"), &ARVRController::get_controller_name);
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// passthroughs to information about our related joystick
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ClassDB::bind_method(D_METHOD("get_joystick_id"), &ARVRController::get_joystick_id);
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ClassDB::bind_method(D_METHOD("is_button_pressed", "button"), &ARVRController::is_button_pressed);
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ClassDB::bind_method(D_METHOD("get_joystick_axis", "axis"), &ARVRController::get_joystick_axis);
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ClassDB::bind_method(D_METHOD("get_is_active"), &ARVRController::get_is_active);
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ClassDB::bind_method(D_METHOD("get_hand"), &ARVRController::get_hand);
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ClassDB::bind_method(D_METHOD("get_rumble"), &ARVRController::get_rumble);
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ClassDB::bind_method(D_METHOD("set_rumble", "rumble"), &ARVRController::set_rumble);
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ADD_PROPERTY(PropertyInfo(Variant::REAL, "rumble", PROPERTY_HINT_RANGE, "0.0,1.0,0.01"), "set_rumble", "get_rumble");
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ADD_PROPERTY_DEFAULT("rumble", 0.0);
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ClassDB::bind_method(D_METHOD("get_mesh"), &ARVRController::get_mesh);
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ADD_SIGNAL(MethodInfo("button_pressed", PropertyInfo(Variant::INT, "button")));
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ADD_SIGNAL(MethodInfo("button_release", PropertyInfo(Variant::INT, "button")));
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ADD_SIGNAL(MethodInfo("mesh_updated", PropertyInfo(Variant::OBJECT, "mesh", PROPERTY_HINT_RESOURCE_TYPE, "Mesh")));
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};
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void ARVRController::set_controller_id(int p_controller_id) {
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// We don't check any bounds here, this controller may not yet be active and just be a place holder until it is.
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// Note that setting this to 0 means this node is not bound to a controller yet.
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controller_id = p_controller_id;
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update_configuration_warning();
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};
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int ARVRController::get_controller_id(void) const {
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return controller_id;
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};
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String ARVRController::get_controller_name(void) const {
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// get our ARVRServer
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ARVRServer *arvr_server = ARVRServer::get_singleton();
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ERR_FAIL_NULL_V(arvr_server, String());
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ARVRPositionalTracker *tracker = arvr_server->find_by_type_and_id(ARVRServer::TRACKER_CONTROLLER, controller_id);
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if (tracker == NULL) {
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return String("Not connected");
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};
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return tracker->get_name();
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};
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int ARVRController::get_joystick_id() const {
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// get our ARVRServer
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ARVRServer *arvr_server = ARVRServer::get_singleton();
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ERR_FAIL_NULL_V(arvr_server, 0);
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ARVRPositionalTracker *tracker = arvr_server->find_by_type_and_id(ARVRServer::TRACKER_CONTROLLER, controller_id);
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if (tracker == NULL) {
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return 0;
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};
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return tracker->get_joy_id();
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};
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int ARVRController::is_button_pressed(int p_button) const {
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int joy_id = get_joystick_id();
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if (joy_id == -1) {
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return false;
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};
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return Input::get_singleton()->is_joy_button_pressed(joy_id, p_button);
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};
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float ARVRController::get_joystick_axis(int p_axis) const {
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int joy_id = get_joystick_id();
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if (joy_id == -1) {
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return 0.0;
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};
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return Input::get_singleton()->get_joy_axis(joy_id, p_axis);
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};
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real_t ARVRController::get_rumble() const {
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// get our ARVRServer
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ARVRServer *arvr_server = ARVRServer::get_singleton();
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ERR_FAIL_NULL_V(arvr_server, 0.0);
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ARVRPositionalTracker *tracker = arvr_server->find_by_type_and_id(ARVRServer::TRACKER_CONTROLLER, controller_id);
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if (tracker == NULL) {
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return 0.0;
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};
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return tracker->get_rumble();
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};
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void ARVRController::set_rumble(real_t p_rumble) {
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// get our ARVRServer
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ARVRServer *arvr_server = ARVRServer::get_singleton();
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ERR_FAIL_NULL(arvr_server);
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ARVRPositionalTracker *tracker = arvr_server->find_by_type_and_id(ARVRServer::TRACKER_CONTROLLER, controller_id);
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if (tracker != NULL) {
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tracker->set_rumble(p_rumble);
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};
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};
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Ref<Mesh> ARVRController::get_mesh() const {
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return mesh;
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}
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bool ARVRController::get_is_active() const {
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return is_active;
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};
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ARVRPositionalTracker::TrackerHand ARVRController::get_hand() const {
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// get our ARVRServer
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ARVRServer *arvr_server = ARVRServer::get_singleton();
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ERR_FAIL_NULL_V(arvr_server, ARVRPositionalTracker::TRACKER_HAND_UNKNOWN);
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ARVRPositionalTracker *tracker = arvr_server->find_by_type_and_id(ARVRServer::TRACKER_CONTROLLER, controller_id);
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if (tracker == NULL) {
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return ARVRPositionalTracker::TRACKER_HAND_UNKNOWN;
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};
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return tracker->get_hand();
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};
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String ARVRController::get_configuration_warning() const {
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if (!is_visible() || !is_inside_tree())
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return String();
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// must be child node of ARVROrigin!
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ARVROrigin *origin = Object::cast_to<ARVROrigin>(get_parent());
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if (origin == NULL) {
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return TTR("ARVRController must have an ARVROrigin node as its parent.");
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};
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if (controller_id == 0) {
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return TTR("The controller ID must not be 0 or this controller won't be bound to an actual controller.");
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};
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return String();
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};
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ARVRController::ARVRController() {
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controller_id = 1;
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is_active = true;
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button_states = 0;
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};
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ARVRController::~ARVRController(){
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// nothing to do here yet for now..
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////
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void ARVRAnchor::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_ENTER_TREE: {
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set_process_internal(true);
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}; break;
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case NOTIFICATION_EXIT_TREE: {
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set_process_internal(false);
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}; break;
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case NOTIFICATION_INTERNAL_PROCESS: {
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// get our ARVRServer
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ARVRServer *arvr_server = ARVRServer::get_singleton();
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ERR_FAIL_NULL(arvr_server);
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// find the tracker for our anchor
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ARVRPositionalTracker *tracker = arvr_server->find_by_type_and_id(ARVRServer::TRACKER_ANCHOR, anchor_id);
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if (tracker == NULL) {
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// this anchor is currently not available
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is_active = false;
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} else {
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is_active = true;
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Transform transform;
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// we'll need our world_scale
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real_t world_scale = arvr_server->get_world_scale();
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// get our info from our tracker
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transform.basis = tracker->get_orientation();
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transform.origin = tracker->get_position(); // <-- already adjusted to world scale
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// our basis is scaled to the size of the plane the anchor is tracking
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// extract the size from our basis and reset the scale
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size = transform.basis.get_scale() * world_scale;
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transform.basis.orthonormalize();
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// apply our reference frame and set our transform
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set_transform(arvr_server->get_reference_frame() * transform);
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// check for an updated mesh
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Ref<Mesh> trackerMesh = tracker->get_mesh();
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if (mesh != trackerMesh) {
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mesh = trackerMesh;
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emit_signal("mesh_updated", mesh);
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}
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};
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}; break;
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default:
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break;
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};
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};
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void ARVRAnchor::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_anchor_id", "anchor_id"), &ARVRAnchor::set_anchor_id);
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ClassDB::bind_method(D_METHOD("get_anchor_id"), &ARVRAnchor::get_anchor_id);
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ADD_PROPERTY(PropertyInfo(Variant::INT, "anchor_id", PROPERTY_HINT_RANGE, "0,32,1"), "set_anchor_id", "get_anchor_id");
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ClassDB::bind_method(D_METHOD("get_anchor_name"), &ARVRAnchor::get_anchor_name);
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ClassDB::bind_method(D_METHOD("get_is_active"), &ARVRAnchor::get_is_active);
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ClassDB::bind_method(D_METHOD("get_size"), &ARVRAnchor::get_size);
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ClassDB::bind_method(D_METHOD("get_plane"), &ARVRAnchor::get_plane);
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ClassDB::bind_method(D_METHOD("get_mesh"), &ARVRAnchor::get_mesh);
|
|
ADD_SIGNAL(MethodInfo("mesh_updated", PropertyInfo(Variant::OBJECT, "mesh", PROPERTY_HINT_RESOURCE_TYPE, "Mesh")));
|
|
};
|
|
|
|
void ARVRAnchor::set_anchor_id(int p_anchor_id) {
|
|
// We don't check any bounds here, this anchor may not yet be active and just be a place holder until it is.
|
|
// Note that setting this to 0 means this node is not bound to an anchor yet.
|
|
anchor_id = p_anchor_id;
|
|
update_configuration_warning();
|
|
};
|
|
|
|
int ARVRAnchor::get_anchor_id(void) const {
|
|
return anchor_id;
|
|
};
|
|
|
|
Vector3 ARVRAnchor::get_size() const {
|
|
return size;
|
|
};
|
|
|
|
String ARVRAnchor::get_anchor_name(void) const {
|
|
// get our ARVRServer
|
|
ARVRServer *arvr_server = ARVRServer::get_singleton();
|
|
ERR_FAIL_NULL_V(arvr_server, String());
|
|
|
|
ARVRPositionalTracker *tracker = arvr_server->find_by_type_and_id(ARVRServer::TRACKER_ANCHOR, anchor_id);
|
|
if (tracker == NULL) {
|
|
return String("Not connected");
|
|
};
|
|
|
|
return tracker->get_name();
|
|
};
|
|
|
|
bool ARVRAnchor::get_is_active() const {
|
|
return is_active;
|
|
};
|
|
|
|
String ARVRAnchor::get_configuration_warning() const {
|
|
if (!is_visible() || !is_inside_tree())
|
|
return String();
|
|
|
|
// must be child node of ARVROrigin!
|
|
ARVROrigin *origin = Object::cast_to<ARVROrigin>(get_parent());
|
|
if (origin == NULL) {
|
|
return TTR("ARVRAnchor must have an ARVROrigin node as its parent.");
|
|
};
|
|
|
|
if (anchor_id == 0) {
|
|
return TTR("The anchor ID must not be 0 or this anchor won't be bound to an actual anchor.");
|
|
};
|
|
|
|
return String();
|
|
};
|
|
|
|
Plane ARVRAnchor::get_plane() const {
|
|
Vector3 location = get_translation();
|
|
Basis orientation = get_transform().basis;
|
|
|
|
Plane plane(location, orientation.get_axis(1).normalized());
|
|
|
|
return plane;
|
|
};
|
|
|
|
Ref<Mesh> ARVRAnchor::get_mesh() const {
|
|
return mesh;
|
|
}
|
|
|
|
ARVRAnchor::ARVRAnchor() {
|
|
anchor_id = 1;
|
|
is_active = true;
|
|
};
|
|
|
|
ARVRAnchor::~ARVRAnchor(){
|
|
// nothing to do here yet for now..
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
String ARVROrigin::get_configuration_warning() const {
|
|
if (!is_visible() || !is_inside_tree())
|
|
return String();
|
|
|
|
if (tracked_camera == NULL)
|
|
return TTR("ARVROrigin requires an ARVRCamera child node.");
|
|
|
|
return String();
|
|
};
|
|
|
|
void ARVROrigin::_bind_methods() {
|
|
ClassDB::bind_method(D_METHOD("set_world_scale", "world_scale"), &ARVROrigin::set_world_scale);
|
|
ClassDB::bind_method(D_METHOD("get_world_scale"), &ARVROrigin::get_world_scale);
|
|
ADD_PROPERTY(PropertyInfo(Variant::REAL, "world_scale"), "set_world_scale", "get_world_scale");
|
|
};
|
|
|
|
void ARVROrigin::set_tracked_camera(ARVRCamera *p_tracked_camera) {
|
|
tracked_camera = p_tracked_camera;
|
|
};
|
|
|
|
void ARVROrigin::clear_tracked_camera_if(ARVRCamera *p_tracked_camera) {
|
|
if (tracked_camera == p_tracked_camera) {
|
|
tracked_camera = NULL;
|
|
};
|
|
};
|
|
|
|
float ARVROrigin::get_world_scale() const {
|
|
// get our ARVRServer
|
|
ARVRServer *arvr_server = ARVRServer::get_singleton();
|
|
ERR_FAIL_NULL_V(arvr_server, 1.0);
|
|
|
|
return arvr_server->get_world_scale();
|
|
};
|
|
|
|
void ARVROrigin::set_world_scale(float p_world_scale) {
|
|
// get our ARVRServer
|
|
ARVRServer *arvr_server = ARVRServer::get_singleton();
|
|
ERR_FAIL_NULL(arvr_server);
|
|
|
|
arvr_server->set_world_scale(p_world_scale);
|
|
};
|
|
|
|
void ARVROrigin::_notification(int p_what) {
|
|
// get our ARVRServer
|
|
ARVRServer *arvr_server = ARVRServer::get_singleton();
|
|
ERR_FAIL_NULL(arvr_server);
|
|
|
|
switch (p_what) {
|
|
case NOTIFICATION_ENTER_TREE: {
|
|
set_process_internal(true);
|
|
}; break;
|
|
case NOTIFICATION_EXIT_TREE: {
|
|
set_process_internal(false);
|
|
}; break;
|
|
case NOTIFICATION_INTERNAL_PROCESS: {
|
|
// set our world origin to our node transform
|
|
arvr_server->set_world_origin(get_global_transform());
|
|
|
|
// check if we have a primary interface
|
|
Ref<ARVRInterface> arvr_interface = arvr_server->get_primary_interface();
|
|
if (arvr_interface.is_valid() && tracked_camera != NULL) {
|
|
// get our positioning transform for our headset
|
|
Transform t = arvr_interface->get_transform_for_eye(ARVRInterface::EYE_MONO, Transform());
|
|
|
|
// now apply this to our camera
|
|
tracked_camera->set_transform(t);
|
|
};
|
|
}; break;
|
|
default:
|
|
break;
|
|
};
|
|
|
|
// send our notification to all active ARVR interfaces, they may need to react to it also
|
|
for (int i = 0; i < arvr_server->get_interface_count(); i++) {
|
|
Ref<ARVRInterface> interface = arvr_server->get_interface(i);
|
|
if (interface.is_valid() && interface->is_initialized()) {
|
|
interface->notification(p_what);
|
|
}
|
|
}
|
|
};
|
|
|
|
ARVROrigin::ARVROrigin() {
|
|
tracked_camera = NULL;
|
|
};
|
|
|
|
ARVROrigin::~ARVROrigin(){
|
|
// nothing to do here yet for now..
|
|
};
|