Files
VIVE-OpenXR-Unity/com.htc.upm.vive.openxr/Runtime/Profiles/XR_EXT_hand_tracking_impls.cs
2025-01-08 10:28:35 +08:00

105 lines
3.6 KiB
C#

// Copyright HTC Corporation All Rights Reserved.
using System.Collections.Generic;
using System.Text;
using UnityEngine;
using UnityEngine.XR.OpenXR;
using VIVE.OpenXR.Hand;
namespace VIVE.OpenXR
{
public class XR_EXT_hand_tracking_impls : XR_EXT_hand_tracking_defs
{
#region Log
const string LOG_TAG = "VIVE.OpenXR.XR_EXT_hand_tracking_impls";
StringBuilder m_sb = null;
StringBuilder sb
{
get
{
if (m_sb == null) { m_sb = new StringBuilder(); }
return m_sb;
}
}
void DEBUG(StringBuilder msg) { Debug.LogFormat("{0} {1}", LOG_TAG, msg); }
#endregion
public XR_EXT_hand_tracking_impls() { sb.Clear().Append("XR_EXT_hand_tracking_impls()"); DEBUG(sb); }
private ViveHandTracking feature = null;
private bool ASSERT_FEATURE(bool init = false)
{
if (feature == null) { feature = OpenXRSettings.Instance.GetFeature<ViveHandTracking>(); }
bool enabled = (feature != null);
if (init)
{
sb.Clear().Append("ViveHandTracking is ").Append((enabled ? "enabled." : "disabled."));
DEBUG(sb);
}
return enabled;
}
public override XrResult xrCreateHandTrackerEXT(ref XrHandTrackerCreateInfoEXT createInfo, out ulong handTracker)
{
XrResult result = XrResult.XR_ERROR_VALIDATION_FAILURE;
handTracker = 0;
if (ASSERT_FEATURE(true))
{
sb.Clear().Append("xrCreateHandTrackerEXT"); DEBUG(sb);
XrHandTrackerCreateInfoEXT info = createInfo;
result = (XrResult)feature.CreateHandTrackerEXT(ref info, out XrHandTrackerEXT tracker);
if (result == XrResult.XR_SUCCESS) { handTracker = tracker; }
}
return result;
}
public override XrResult xrDestroyHandTrackerEXT(ulong handTracker)
{
if (ASSERT_FEATURE(true))
{
sb.Clear().Append("xrDestroyHandTrackerEXT"); DEBUG(sb);
return (XrResult)feature.DestroyHandTrackerEXT(handTracker);
}
return XrResult.XR_ERROR_VALIDATION_FAILURE;
}
public override XrResult xrLocateHandJointsEXT(ulong handTracker, XrHandJointsLocateInfoEXT locateInfo, out XrHandJointLocationsEXT locations)
{
XrResult result = XrResult.XR_ERROR_VALIDATION_FAILURE;
InitializeHandJointLocations();
locations = m_JointLocations;
if (ASSERT_FEATURE())
{
XrHandJointLocationsEXT joints = m_JointLocations;
result = (XrResult)feature.LocateHandJointsEXT(handTracker, locateInfo, ref joints);
if (result == XrResult.XR_SUCCESS) { locations = joints; }
}
return result;
}
public override bool GetJointLocations(bool isLeft, out XrHandJointLocationEXT[] handJointLocation, out XrTime timestamp)
{
if (ASSERT_FEATURE())
{
if (feature.GetJointLocations(isLeft, out handJointLocation, out timestamp))
{
return true;
}
}
handJointLocation = s_JointLocation[isLeft];
timestamp = 0;
return false;
}
public override bool GetJointLocations(bool isLeft, out XrHandJointLocationEXT[] handJointLocation)
{
return GetJointLocations(isLeft, out handJointLocation, out XrTime timestamp);
}
}
}