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RateLimitedPositionSendSystem.cs
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RateLimitedPositionSendSystem.cs
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using Improbable.Gdk.Core;
using Improbable.Transform;
using Unity.Entities;
using UnityEngine;
namespace Improbable.Gdk.TransformSynchronization
{
[DisableAutoCreation]
[UpdateAfter(typeof(DefaultUpdateLatestTransformSystem))]
[UpdateAfter(typeof(RateLimitedTransformSendSystem))]
[UpdateInGroup(typeof(SpatialOSUpdateGroup))]
public class RateLimitedPositionSendSystem : ComponentSystem
{
private ComponentGroup positionGroup;
protected override void OnCreateManager()
{
base.OnCreateManager();
positionGroup = GetComponentGroup(
ComponentType.Create<LastPositionSentData>(),
ComponentType.Create<Position.Component>(),
ComponentType.ReadOnly<TransformInternal.Component>(),
ComponentType.ReadOnly<RateLimitedSendConfig>(),
ComponentType.ReadOnly<Position.ComponentAuthority>()
);
positionGroup.SetFilter(Position.ComponentAuthority.Authoritative);
}
protected override void OnUpdate()
{
var rateLimitedConfigArray = positionGroup.GetSharedComponentDataArray<RateLimitedSendConfig>();
var positionArray = positionGroup.GetComponentDataArray<Position.Component>();
var transformArray = positionGroup.GetComponentDataArray<TransformInternal.Component>();
var lastSentPositionArray = positionGroup.GetComponentDataArray<LastPositionSentData>();
for (int i = 0; i < positionArray.Length; ++i)
{
var position = positionArray[i];
var lastPositionSent = lastSentPositionArray[i];
lastPositionSent.TimeSinceLastUpdate += Time.deltaTime;
lastSentPositionArray[i] = lastPositionSent;
if (lastPositionSent.TimeSinceLastUpdate <
1.0f / rateLimitedConfigArray[i].MaxPositionUpdateRateHz)
{
continue;
}
var transform = transformArray[i];
var coords = transform.Location.ToCoordinates();
if (!TransformUtils.HasChanged(coords, position.Coords))
{
continue;
}
position.Coords = coords;
positionArray[i] = position;
lastPositionSent.TimeSinceLastUpdate = 0.0f;
lastPositionSent.Position = position;
lastSentPositionArray[i] = lastPositionSent;
}
}
}
}