godot/servers/xr/xr_positional_tracker.cpp

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/**************************************************************************/
/* xr_positional_tracker.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. */
/**************************************************************************/
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#include "xr_positional_tracker.h"
#include "core/input/input.h"
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void XRPositionalTracker::_bind_methods() {
BIND_ENUM_CONSTANT(TRACKER_HAND_UNKNOWN);
BIND_ENUM_CONSTANT(TRACKER_HAND_LEFT);
BIND_ENUM_CONSTANT(TRACKER_HAND_RIGHT);
ClassDB::bind_method(D_METHOD("get_tracker_type"), &XRPositionalTracker::get_tracker_type);
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ClassDB::bind_method(D_METHOD("set_tracker_type", "type"), &XRPositionalTracker::set_tracker_type);
ADD_PROPERTY(PropertyInfo(Variant::INT, "type"), "set_tracker_type", "get_tracker_type");
ClassDB::bind_method(D_METHOD("get_tracker_name"), &XRPositionalTracker::get_tracker_name);
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ClassDB::bind_method(D_METHOD("set_tracker_name", "name"), &XRPositionalTracker::set_tracker_name);
ADD_PROPERTY(PropertyInfo(Variant::STRING, "name"), "set_tracker_name", "get_tracker_name");
ClassDB::bind_method(D_METHOD("get_tracker_desc"), &XRPositionalTracker::get_tracker_desc);
ClassDB::bind_method(D_METHOD("set_tracker_desc", "description"), &XRPositionalTracker::set_tracker_desc);
ADD_PROPERTY(PropertyInfo(Variant::STRING, "description"), "set_tracker_desc", "get_tracker_desc");
ClassDB::bind_method(D_METHOD("get_tracker_profile"), &XRPositionalTracker::get_tracker_profile);
ClassDB::bind_method(D_METHOD("set_tracker_profile", "profile"), &XRPositionalTracker::set_tracker_profile);
ADD_PROPERTY(PropertyInfo(Variant::STRING, "profile"), "set_tracker_profile", "get_tracker_profile");
ClassDB::bind_method(D_METHOD("get_tracker_hand"), &XRPositionalTracker::get_tracker_hand);
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ClassDB::bind_method(D_METHOD("set_tracker_hand", "hand"), &XRPositionalTracker::set_tracker_hand);
ADD_PROPERTY(PropertyInfo(Variant::INT, "hand", PROPERTY_HINT_ENUM, "Unknown,Left,Right"), "set_tracker_hand", "get_tracker_hand");
ClassDB::bind_method(D_METHOD("has_pose", "name"), &XRPositionalTracker::has_pose);
ClassDB::bind_method(D_METHOD("get_pose", "name"), &XRPositionalTracker::get_pose);
ClassDB::bind_method(D_METHOD("invalidate_pose", "name"), &XRPositionalTracker::invalidate_pose);
ClassDB::bind_method(D_METHOD("set_pose", "name", "transform", "linear_velocity", "angular_velocity", "tracking_confidence"), &XRPositionalTracker::set_pose);
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ADD_SIGNAL(MethodInfo("pose_changed", PropertyInfo(Variant::OBJECT, "pose", PROPERTY_HINT_RESOURCE_TYPE, "XRPose")));
ClassDB::bind_method(D_METHOD("get_input", "name"), &XRPositionalTracker::get_input);
ClassDB::bind_method(D_METHOD("set_input", "name", "value"), &XRPositionalTracker::set_input);
ADD_SIGNAL(MethodInfo("button_pressed", PropertyInfo(Variant::STRING, "name")));
ADD_SIGNAL(MethodInfo("button_released", PropertyInfo(Variant::STRING, "name")));
ADD_SIGNAL(MethodInfo("input_value_changed", PropertyInfo(Variant::STRING, "name"), PropertyInfo(Variant::FLOAT, "value")));
ADD_SIGNAL(MethodInfo("input_axis_changed", PropertyInfo(Variant::STRING, "name"), PropertyInfo(Variant::VECTOR2, "vector")));
ADD_SIGNAL(MethodInfo("profile_changed", PropertyInfo(Variant::STRING, "role")));
};
void XRPositionalTracker::set_tracker_type(XRServer::TrackerType p_type) {
if (type != p_type) {
type = p_type;
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hand = XRPositionalTracker::TRACKER_HAND_UNKNOWN;
};
};
XRServer::TrackerType XRPositionalTracker::get_tracker_type() const {
return type;
};
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void XRPositionalTracker::set_tracker_name(const StringName &p_name) {
// Note: this should not be changed after the tracker is registered with the XRServer!
name = p_name;
};
StringName XRPositionalTracker::get_tracker_name() const {
return name;
};
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void XRPositionalTracker::set_tracker_desc(const String &p_desc) {
description = p_desc;
}
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String XRPositionalTracker::get_tracker_desc() const {
return description;
}
void XRPositionalTracker::set_tracker_profile(const String &p_profile) {
if (profile != p_profile) {
profile = p_profile;
emit_signal("profile_changed", profile);
}
}
String XRPositionalTracker::get_tracker_profile() const {
return profile;
}
XRPositionalTracker::TrackerHand XRPositionalTracker::get_tracker_hand() const {
return hand;
};
void XRPositionalTracker::set_tracker_hand(const XRPositionalTracker::TrackerHand p_hand) {
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XRServer *xr_server = XRServer::get_singleton();
ERR_FAIL_NULL(xr_server);
if (hand != p_hand) {
// we can only set this if we've previously set this to be a controller!!
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ERR_FAIL_COND((type != XRServer::TRACKER_CONTROLLER) && (p_hand != XRPositionalTracker::TRACKER_HAND_UNKNOWN));
hand = p_hand;
};
};
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bool XRPositionalTracker::has_pose(const StringName &p_action_name) const {
return poses.has(p_action_name);
}
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Ref<XRPose> XRPositionalTracker::get_pose(const StringName &p_action_name) const {
Ref<XRPose> pose;
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if (poses.has(p_action_name)) {
pose = poses[p_action_name];
}
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return pose;
}
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void XRPositionalTracker::invalidate_pose(const StringName &p_action_name) {
// only update this if we were tracking this pose
if (poses.has(p_action_name)) {
// We just set tracking data as invalid, we leave our current transform and velocity data as is so controllers don't suddenly jump to origin.
poses[p_action_name]->set_has_tracking_data(false);
}
}
void XRPositionalTracker::set_pose(const StringName &p_action_name, const Transform3D &p_transform, const Vector3 &p_linear_velocity, const Vector3 &p_angular_velocity, const XRPose::TrackingConfidence p_tracking_confidence) {
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Ref<XRPose> new_pose;
new_pose.instantiate();
new_pose->set_name(p_action_name);
new_pose->set_has_tracking_data(true);
new_pose->set_transform(p_transform);
new_pose->set_linear_velocity(p_linear_velocity);
new_pose->set_angular_velocity(p_angular_velocity);
new_pose->set_tracking_confidence(p_tracking_confidence);
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poses[p_action_name] = new_pose;
emit_signal(SNAME("pose_changed"), new_pose);
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// TODO discuss whether we also want to create and emit an InputEventXRPose event
}
Variant XRPositionalTracker::get_input(const StringName &p_action_name) const {
if (inputs.has(p_action_name)) {
return inputs[p_action_name];
} else {
return Variant();
}
}
void XRPositionalTracker::set_input(const StringName &p_action_name, const Variant &p_value) {
bool changed = false;
// XR inputs
if (inputs.has(p_action_name)) {
changed = inputs[p_action_name] != p_value;
} else {
changed = true;
}
if (changed) {
// store the new value
inputs[p_action_name] = p_value;
// emit signals to let the rest of the world know
switch (p_value.get_type()) {
case Variant::BOOL: {
bool pressed = p_value;
if (pressed) {
emit_signal(SNAME("button_pressed"), p_action_name);
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} else {
emit_signal(SNAME("button_released"), p_action_name);
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}
// TODO discuss whether we also want to create and emit an InputEventXRButton event
} break;
case Variant::FLOAT: {
emit_signal(SNAME("input_value_changed"), p_action_name, p_value);
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// TODO discuss whether we also want to create and emit an InputEventXRValue event
} break;
case Variant::VECTOR2: {
emit_signal(SNAME("input_axis_changed"), p_action_name, p_value);
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// TODO discuss whether we also want to create and emit an InputEventXRAxis event
} break;
default: {
// ???
} break;
}
}
}
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XRPositionalTracker::XRPositionalTracker() {
type = XRServer::TRACKER_UNKNOWN;
name = "Unknown";
hand = TRACKER_HAND_UNKNOWN;
};