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121 lines
3.6 KiB
121 lines
3.6 KiB
using UnityEngine;
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using System.Collections;
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using System;
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using System.Collections.Generic;
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using Oculus.Avatar;
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public class OvrAvatarRemoteDriver : OvrAvatarDriver
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{
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Queue<OvrAvatarPacket> packetQueue = new Queue<OvrAvatarPacket>();
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IntPtr CurrentSDKPacket = IntPtr.Zero;
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float CurrentPacketTime = 0f;
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const int MinPacketQueue = 1;
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const int MaxPacketQueue = 4;
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int CurrentSequence = -1;
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// Used for legacy Unity only packet blending
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bool isStreaming = false;
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OvrAvatarPacket currentPacket = null;
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public void QueuePacket(int sequence, OvrAvatarPacket packet)
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{
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if (sequence > CurrentSequence)
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{
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CurrentSequence = sequence;
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packetQueue.Enqueue(packet);
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}
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}
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public override void UpdateTransforms(IntPtr sdkAvatar)
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{
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switch(Mode)
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{
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case PacketMode.SDK:
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UpdateFromSDKPacket(sdkAvatar);
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break;
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case PacketMode.Unity:
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UpdateFromUnityPacket(sdkAvatar);
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break;
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default:
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break;
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}
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}
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private void UpdateFromSDKPacket(IntPtr sdkAvatar)
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{
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if (CurrentSDKPacket == IntPtr.Zero && packetQueue.Count >= MinPacketQueue)
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{
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CurrentSDKPacket = packetQueue.Dequeue().ovrNativePacket;
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}
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if (CurrentSDKPacket != IntPtr.Zero)
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{
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float PacketDuration = CAPI.ovrAvatarPacket_GetDurationSeconds(CurrentSDKPacket);
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CAPI.ovrAvatar_UpdatePoseFromPacket(sdkAvatar, CurrentSDKPacket, Mathf.Min(PacketDuration, CurrentPacketTime));
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CurrentPacketTime += Time.deltaTime;
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if (CurrentPacketTime > PacketDuration)
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{
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CAPI.ovrAvatarPacket_Free(CurrentSDKPacket);
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CurrentSDKPacket = IntPtr.Zero;
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CurrentPacketTime = CurrentPacketTime - PacketDuration;
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//Throw away packets deemed too old.
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while (packetQueue.Count > MaxPacketQueue)
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{
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packetQueue.Dequeue();
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}
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}
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}
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}
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private void UpdateFromUnityPacket(IntPtr sdkAvatar)
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{
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// If we're not currently streaming, check to see if we've buffered enough
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if (!isStreaming && packetQueue.Count > MinPacketQueue)
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{
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currentPacket = packetQueue.Dequeue();
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isStreaming = true;
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}
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// If we are streaming, update our pose
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if (isStreaming)
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{
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CurrentPacketTime += Time.deltaTime;
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// If we've elapsed past our current packet, advance
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while (CurrentPacketTime > currentPacket.Duration)
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{
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// If we're out of packets, stop streaming and
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// lock to the final frame
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if (packetQueue.Count == 0)
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{
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CurrentPose = currentPacket.FinalFrame;
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CurrentPacketTime = 0.0f;
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currentPacket = null;
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isStreaming = false;
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return;
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}
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while (packetQueue.Count > MaxPacketQueue)
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{
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packetQueue.Dequeue();
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}
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// Otherwise, dequeue the next packet
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CurrentPacketTime -= currentPacket.Duration;
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currentPacket = packetQueue.Dequeue();
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}
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// Compute the pose based on our current time offset in the packet
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CurrentPose = currentPacket.GetPoseFrame(CurrentPacketTime);
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UpdateTransformsFromPose(sdkAvatar);
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}
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}
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}
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