godot/scene/3d/arvr_nodes.cpp

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/*************************************************************************/
/* arvr_nodes.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
/* */
/* 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 "arvr_nodes.h"
#include "core/os/input.h"
#include "servers/arvr/arvr_interface.h"
#include "servers/arvr/arvr_positional_tracker.h"
#include "servers/arvr_server.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
void ARVRCamera::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE: {
// need to find our ARVROrigin parent and let it know we're it's camera!
ARVROrigin *origin = Object::cast_to<ARVROrigin>(get_parent());
if (origin != NULL) {
origin->set_tracked_camera(this);
}
}; break;
case NOTIFICATION_EXIT_TREE: {
// need to find our ARVROrigin parent and let it know we're no longer it's camera!
ARVROrigin *origin = Object::cast_to<ARVROrigin>(get_parent());
if (origin != NULL) {
origin->clear_tracked_camera_if(this);
}
}; break;
};
};
String ARVRCamera::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("ARVRCamera must have an ARVROrigin node as its parent");
};
return String();
};
ARVRCamera::ARVRCamera(){
// nothing to do here yet for now..
};
ARVRCamera::~ARVRCamera(){
// nothing to do here yet for now..
};
////////////////////////////////////////////////////////////////////////////////////////////////////
void ARVRController::_notification(int p_what) {
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: {
// get our ARVRServer
ARVRServer *arvr_server = ARVRServer::get_singleton();
ERR_FAIL_NULL(arvr_server);
// find the tracker for our controller
ARVRPositionalTracker *tracker = arvr_server->find_by_type_and_id(ARVRServer::TRACKER_CONTROLLER, controller_id);
if (tracker == NULL) {
// this controller is currently turned off
is_active = false;
button_states = 0;
} else {
is_active = true;
set_transform(tracker->get_transform(true));
int joy_id = tracker->get_joy_id();
if (joy_id >= 0) {
int mask = 1;
// check button states
for (int i = 0; i < 16; i++) {
bool was_pressed = (button_states && mask) == mask;
bool is_pressed = Input::get_singleton()->is_joy_button_pressed(joy_id, i);
if (!was_pressed && is_pressed) {
emit_signal("button_pressed", i);
button_states += mask;
} else if (was_pressed && !is_pressed) {
emit_signal("button_release", i);
button_states -= mask;
};
mask = mask << 1;
};
} else {
button_states = 0;
};
};
}; break;
default:
break;
};
};
void ARVRController::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_controller_id", "controller_id"), &ARVRController::set_controller_id);
ClassDB::bind_method(D_METHOD("get_controller_id"), &ARVRController::get_controller_id);
ADD_PROPERTY(PropertyInfo(Variant::INT, "controller_id"), "set_controller_id", "get_controller_id");
ClassDB::bind_method(D_METHOD("get_controller_name"), &ARVRController::get_controller_name);
// passthroughs to information about our related joystick
ClassDB::bind_method(D_METHOD("get_joystick_id"), &ARVRController::get_joystick_id);
ClassDB::bind_method(D_METHOD("is_button_pressed", "button"), &ARVRController::is_button_pressed);
ClassDB::bind_method(D_METHOD("get_joystick_axis", "axis"), &ARVRController::get_joystick_axis);
ClassDB::bind_method(D_METHOD("get_is_active"), &ARVRController::get_is_active);
ADD_SIGNAL(MethodInfo("button_pressed", PropertyInfo(Variant::INT, "button")));
ADD_SIGNAL(MethodInfo("button_release", PropertyInfo(Variant::INT, "button")));
};
void ARVRController::set_controller_id(int p_controller_id) {
// we don't check any bounds here, this controller may not yet be active and just be a place holder until it is.
controller_id = p_controller_id;
};
int ARVRController::get_controller_id(void) const {
return controller_id;
};
String ARVRController::get_controller_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_CONTROLLER, controller_id);
if (tracker == NULL) {
return String("Not connected");
};
return tracker->get_name();
};
int ARVRController::get_joystick_id() const {
// get our ARVRServer
ARVRServer *arvr_server = ARVRServer::get_singleton();
ERR_FAIL_NULL_V(arvr_server, 0);
ARVRPositionalTracker *tracker = arvr_server->find_by_type_and_id(ARVRServer::TRACKER_CONTROLLER, controller_id);
if (tracker == NULL) {
return 0;
};
return tracker->get_joy_id();
};
int ARVRController::is_button_pressed(int p_button) const {
int joy_id = get_joystick_id();
if (joy_id == 0) {
return false;
};
return Input::get_singleton()->is_joy_button_pressed(joy_id, p_button);
};
float ARVRController::get_joystick_axis(int p_axis) const {
int joy_id = get_joystick_id();
if (joy_id == 0) {
return 0.0;
};
return Input::get_singleton()->get_joy_axis(joy_id, p_axis);
};
bool ARVRController::get_is_active() const {
return is_active;
};
String ARVRController::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("ARVRController must have an ARVROrigin node as its parent");
};
if (controller_id == 0) {
return TTR("The controller id must not be 0 or this controller will not be bound to an actual controller");
};
return String();
};
ARVRController::ARVRController() {
controller_id = 0;
is_active = true;
};
ARVRController::~ARVRController(){
// nothing to do here yet for now..
};
////////////////////////////////////////////////////////////////////////////////////////////////////
void ARVRAnchor::_notification(int p_what) {
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: {
// get our ARVRServer
ARVRServer *arvr_server = ARVRServer::get_singleton();
ERR_FAIL_NULL(arvr_server);
// find the tracker for our anchor
ARVRPositionalTracker *tracker = arvr_server->find_by_type_and_id(ARVRServer::TRACKER_ANCHOR, anchor_id);
if (tracker == NULL) {
// this anchor is currently not available
is_active = false;
} else {
is_active = true;
Transform transform;
// we'll need our world_scale
real_t world_scale = arvr_server->get_world_scale();
// get our info from our tracker
transform.basis = tracker->get_orientation();
transform.origin = tracker->get_position(); // <-- already adjusted to world scale
// our basis is scaled to the size of the plane the anchor is tracking
// extract the size from our basis and reset the scale
size = transform.basis.get_scale() * world_scale;
transform.basis.orthonormalize();
// apply our reference frame and set our transform
set_transform(arvr_server->get_reference_frame() * transform);
};
}; break;
default:
break;
};
};
void ARVRAnchor::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_anchor_id", "anchor_id"), &ARVRAnchor::set_anchor_id);
ClassDB::bind_method(D_METHOD("get_anchor_id"), &ARVRAnchor::get_anchor_id);
ADD_PROPERTY(PropertyInfo(Variant::INT, "anchor_id"), "set_anchor_id", "get_anchor_id");
ClassDB::bind_method(D_METHOD("get_anchor_name"), &ARVRAnchor::get_anchor_name);
ClassDB::bind_method(D_METHOD("get_is_active"), &ARVRAnchor::get_is_active);
ClassDB::bind_method(D_METHOD("get_size"), &ARVRAnchor::get_size);
};
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.
anchor_id = p_anchor_id;
};
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 will not be bound to an actual anchor");
};
return String();
};
ARVRAnchor::ARVRAnchor() {
anchor_id = 0;
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) {
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: {
// get our ARVRServer
ARVRServer *arvr_server = ARVRServer::get_singleton();
ERR_FAIL_NULL(arvr_server);
// 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;
};
};
ARVROrigin::ARVROrigin() {
tracked_camera = NULL;
};
ARVROrigin::~ARVROrigin(){
// nothing to do here yet for now..
};