version 2.5.0
This commit is contained in:
Sean Lu
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// Copyright HTC Corporation All Rights Reserved.
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using System.Collections.Generic;
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using System.Text;
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using UnityEngine;
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using UnityEngine.InputSystem;
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using UnityEngine.XR;
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namespace VIVE.OpenXR.Raycast
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{
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public class GazeRaycastRing : RaycastRing
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{
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const string LOG_TAG = "VIVE.OpenXR.Raycast.GazeRaycastRing";
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void DEBUG(StringBuilder msg) { Debug.LogFormat("{0} {1}", LOG_TAG, msg); }
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#region Inspector
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[SerializeField]
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[Tooltip("Use Eye Tracking data for Gaze.")]
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private bool m_EyeTracking = false;
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public bool EyeTracking { get { return m_EyeTracking; } set { m_EyeTracking = value; } }
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[SerializeField]
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private InputActionReference m_EyePose = null;
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public InputActionReference EyePose { get => m_EyePose; set => m_EyePose = value; }
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bool getTracked(InputActionReference actionReference)
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{
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bool tracked = false;
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if (OpenXRHelper.VALIDATE(actionReference, out string value))
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{
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#if USE_INPUT_SYSTEM_POSE_CONTROL // Scripting Define Symbol added by using OpenXR Plugin 1.6.0.
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if (actionReference.action.activeControl.valueType == typeof(UnityEngine.InputSystem.XR.PoseState))
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#else
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if (actionReference.action.activeControl.valueType == typeof(UnityEngine.XR.OpenXR.Input.Pose))
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#endif
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{
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#if USE_INPUT_SYSTEM_POSE_CONTROL // Scripting Define Symbol added by using OpenXR Plugin 1.6.0.
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tracked = actionReference.action.ReadValue<UnityEngine.InputSystem.XR.PoseState>().isTracked;
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#else
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tracked = actionReference.action.ReadValue<UnityEngine.XR.OpenXR.Input.Pose>().isTracked;
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#endif
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if (printIntervalLog)
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{
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sb.Clear().Append("getTracked(").Append(tracked).Append(")");
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DEBUG(sb);
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}
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}
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}
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else
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{
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if (printIntervalLog)
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{
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sb.Clear().Append("getTracked() invalid input: ").Append(value);
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DEBUG(sb);
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}
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}
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return tracked;
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}
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InputTrackingState getTrackingState(InputActionReference actionReference)
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{
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InputTrackingState state = InputTrackingState.None;
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if (OpenXRHelper.VALIDATE(actionReference, out string value))
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{
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#if USE_INPUT_SYSTEM_POSE_CONTROL // Scripting Define Symbol added by using OpenXR Plugin 1.6.0.
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if (actionReference.action.activeControl.valueType == typeof(UnityEngine.InputSystem.XR.PoseState))
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#else
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if (actionReference.action.activeControl.valueType == typeof(UnityEngine.XR.OpenXR.Input.Pose))
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#endif
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{
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#if USE_INPUT_SYSTEM_POSE_CONTROL // Scripting Define Symbol added by using OpenXR Plugin 1.6.0.
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state = actionReference.action.ReadValue<UnityEngine.InputSystem.XR.PoseState>().trackingState;
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#else
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state = actionReference.action.ReadValue<UnityEngine.XR.OpenXR.Input.Pose>().trackingState;
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#endif
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if (printIntervalLog)
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{
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sb.Clear().Append("getTrackingState(").Append(state).Append(")");
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DEBUG(sb);
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}
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}
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}
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else
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{
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if (printIntervalLog)
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{
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sb.Clear().Append("getTrackingState() invalid input: ").Append(value);
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DEBUG(sb);
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}
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}
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return state;
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}
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Vector3 getDirection(InputActionReference actionReference)
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{
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Quaternion rotation = Quaternion.identity;
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if (OpenXRHelper.VALIDATE(actionReference, out string value))
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{
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#if USE_INPUT_SYSTEM_POSE_CONTROL // Scripting Define Symbol added by using OpenXR Plugin 1.6.0.
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if (actionReference.action.activeControl.valueType == typeof(UnityEngine.InputSystem.XR.PoseState))
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#else
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if (actionReference.action.activeControl.valueType == typeof(UnityEngine.XR.OpenXR.Input.Pose))
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#endif
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{
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#if USE_INPUT_SYSTEM_POSE_CONTROL // Scripting Define Symbol added by using OpenXR Plugin 1.6.0.
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rotation = actionReference.action.ReadValue<UnityEngine.InputSystem.XR.PoseState>().rotation;
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#else
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rotation = actionReference.action.ReadValue<UnityEngine.XR.OpenXR.Input.Pose>().rotation;
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#endif
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if (printIntervalLog)
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{
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sb.Clear().Append("getDirection(").Append(rotation.x).Append(", ").Append(rotation.y).Append(", ").Append(rotation.z).Append(", ").Append(rotation.w).Append(")");
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DEBUG(sb);
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}
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return (rotation * Vector3.forward);
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}
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}
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else
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{
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if (printIntervalLog)
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{
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sb.Clear().Append("getDirection() invalid input: ").Append(value);
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DEBUG(sb);
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}
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}
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return Vector3.forward;
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}
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Vector3 getOrigin(InputActionReference actionReference)
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{
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var origin = Vector3.zero;
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if (OpenXRHelper.VALIDATE(actionReference, out string value))
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{
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#if USE_INPUT_SYSTEM_POSE_CONTROL // Scripting Define Symbol added by using OpenXR Plugin 1.6.0.
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if (actionReference.action.activeControl.valueType == typeof(UnityEngine.InputSystem.XR.PoseState))
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#else
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if (actionReference.action.activeControl.valueType == typeof(UnityEngine.XR.OpenXR.Input.Pose))
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#endif
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{
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#if USE_INPUT_SYSTEM_POSE_CONTROL // Scripting Define Symbol added by using OpenXR Plugin 1.6.0.
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origin = actionReference.action.ReadValue<UnityEngine.InputSystem.XR.PoseState>().position;
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#else
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origin = actionReference.action.ReadValue<UnityEngine.XR.OpenXR.Input.Pose>().position;
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#endif
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if (printIntervalLog)
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{
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sb.Clear().Append("getOrigin(").Append(origin.x).Append(", ").Append(origin.y).Append(", ").Append(origin.z).Append(")");
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DEBUG(sb);
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}
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}
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}
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else
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{
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if (printIntervalLog)
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{
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sb.Clear().Append("getOrigin() invalid input: ").Append(value);
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DEBUG(sb);
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}
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}
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return origin;
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}
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[Tooltip("Event triggered by gaze.")]
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[SerializeField]
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private GazeEvent m_InputEvent = GazeEvent.Down;
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public GazeEvent InputEvent { get { return m_InputEvent; } set { m_InputEvent = value; } }
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[Tooltip("Keys for control.")]
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[SerializeField]
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private List<InputActionReference> m_ActionsKeys = new List<InputActionReference>();
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public List<InputActionReference> ActionKeys { get { return m_ActionsKeys; } set { m_ActionsKeys = value; } }
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bool getButton(InputActionReference actionReference)
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{
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if (OpenXRHelper.VALIDATE(actionReference, out string value))
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{
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if (actionReference.action.activeControl.valueType == typeof(bool))
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return actionReference.action.ReadValue<bool>();
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if (actionReference.action.activeControl.valueType == typeof(float))
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return actionReference.action.ReadValue<float>() > 0;
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}
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else
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{
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if (printIntervalLog)
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{
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sb.Clear().Append("getButton() invalid input: ").Append(value);
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DEBUG(sb);
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}
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}
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return false;
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}
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[SerializeField]
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private bool m_AlwaysEnable = false;
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public bool AlwaysEnable { get { return m_AlwaysEnable; } set { m_AlwaysEnable = value; } }
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#endregion
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#region MonoBehaviour overrides
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protected override void Awake()
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{
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base.Awake();
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}
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private bool m_KeyDown = false;
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protected override void Update()
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{
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base.Update();
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if (!IsInteractable()) { return; }
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m_KeyDown = ButtonPressed();
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}
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#endregion
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private bool IsInteractable()
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{
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bool enabled = RaycastSwitch.Gaze.Enabled;
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m_Interactable = (m_AlwaysEnable || enabled);
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if (printIntervalLog)
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{
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sb.Clear().Append("IsInteractable() enabled: ").Append(enabled).Append(", m_AlwaysEnable: ").Append(m_AlwaysEnable);
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DEBUG(sb);
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}
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return m_Interactable;
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}
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internal bool m_Down = false, m_Hold = false;
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private bool ButtonPressed()
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{
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if (m_ActionsKeys == null) { return false; }
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bool keyDown = false;
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for (int i = 0; i < m_ActionsKeys.Count; i++)
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{
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var pressed = getButton(m_ActionsKeys[i]);
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if (pressed)
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{
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sb.Clear().Append("ButtonPressed()").Append(m_ActionsKeys[i].name).Append(" is pressed.");
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DEBUG(sb);
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}
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keyDown |= pressed;
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}
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m_Down = false;
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if (!m_Hold) { m_Down |= keyDown; }
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m_Hold = keyDown;
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return m_Down;
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}
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protected override bool UseEyeData(out Vector3 direction)
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{
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bool isTracked = getTracked(m_EyePose);
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InputTrackingState trackingState = getTrackingState(m_EyePose);
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bool positionTracked = ((trackingState & InputTrackingState.Position) != 0);
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bool rotationTracked = ((trackingState & InputTrackingState.Rotation) != 0);
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bool useEye = m_EyeTracking
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#if !UNITY_XR_OPENXR_1_6_0
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&& isTracked // The isTracked value of Pose will always be flase in OpenXR 1.6.0
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#endif
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//&& positionTracked
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&& rotationTracked;
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getOrigin(m_EyePose);
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direction = getDirection(m_EyePose);
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if (printIntervalLog)
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{
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sb.Clear().Append("UseEyeData() m_EyeTracking: ").Append(m_EyeTracking)
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.Append(", isTracked: ").Append(isTracked)
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.Append(", trackingState: ").Append(trackingState)
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.Append(", direction (").Append(direction.x).Append(", ").Append(direction.y).Append(", ").Append(direction.z).Append(")");
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DEBUG(sb);
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}
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if (!useEye) { return base.UseEyeData(out direction); }
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return useEye;
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}
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#region RaycastImpl Actions overrides
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protected override bool OnDown()
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{
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if (m_InputEvent != GazeEvent.Down) { return false; }
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bool down = false;
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if (m_RingPercent >= 100 || m_KeyDown)
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{
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m_RingPercent = 0;
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m_GazeOnTime = Time.unscaledTime;
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down = true;
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sb.Clear().Append("OnDown()"); DEBUG(sb);
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}
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return down;
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}
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protected override bool OnSubmit()
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{
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if (m_InputEvent != GazeEvent.Submit) { return false; }
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bool submit = false;
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if (m_RingPercent >= 100 || m_KeyDown)
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{
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m_RingPercent = 0;
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m_GazeOnTime = Time.unscaledTime;
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submit = true;
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sb.Clear().Append("OnSubmit()"); DEBUG(sb);
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}
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return submit;
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}
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#endregion
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}
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}
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