viscosity/engine/modules/openxr/extensions/openxr_user_presence_extension.cpp

101 lines
4.2 KiB
C++

/**************************************************************************/
/* openxr_user_presence_extension.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 "openxr_user_presence_extension.h"
#include "../openxr_interface.h"
#include "core/config/project_settings.h"
OpenXRUserPresenceExtension *OpenXRUserPresenceExtension::singleton = nullptr;
OpenXRUserPresenceExtension *OpenXRUserPresenceExtension::get_singleton() {
return singleton;
}
OpenXRUserPresenceExtension::OpenXRUserPresenceExtension() {
singleton = this;
}
OpenXRUserPresenceExtension::~OpenXRUserPresenceExtension() {
singleton = nullptr;
}
HashMap<String, bool *> OpenXRUserPresenceExtension::get_requested_extensions(XrVersion p_version) {
HashMap<String, bool *> request_extensions;
if (GLOBAL_GET("xr/openxr/extensions/user_presence")) {
request_extensions[XR_EXT_USER_PRESENCE_EXTENSION_NAME] = &available;
}
return request_extensions;
}
void *OpenXRUserPresenceExtension::set_system_properties_and_get_next_pointer(void *p_next_pointer) {
if (!available) {
return p_next_pointer;
}
properties.type = XR_TYPE_SYSTEM_USER_PRESENCE_PROPERTIES_EXT;
properties.next = p_next_pointer;
properties.supportsUserPresence = false;
return &properties;
}
bool OpenXRUserPresenceExtension::is_active() const {
return available && properties.supportsUserPresence;
}
void OpenXRUserPresenceExtension::on_state_ready() {
user_present = true;
}
void OpenXRUserPresenceExtension::on_state_stopping() {
user_present = false;
}
bool OpenXRUserPresenceExtension::on_event_polled(const XrEventDataBuffer &event) {
if (!is_active() || event.type != XR_TYPE_EVENT_DATA_USER_PRESENCE_CHANGED_EXT) {
return false;
}
const XrEventDataUserPresenceChangedEXT *user_presence_changed_event = (XrEventDataUserPresenceChangedEXT *)&event;
if (user_present != (bool)user_presence_changed_event->isUserPresent) {
user_present = user_presence_changed_event->isUserPresent;
OpenXRInterface *xr_interface = OpenXRAPI::get_singleton()->get_xr_interface();
if (xr_interface) {
xr_interface->emit_signal(SNAME("user_presence_changed"), user_present);
}
}
return true;
}
bool OpenXRUserPresenceExtension::is_user_present() const {
return user_present;
}