public void OnTextData(PopMessageText Message)
{
// need to keep this in sync with packet numbers
var NewMeta = JsonUtility.FromJson <PacketMeta>(Message.Data);
LastPacketMeta = NewMeta;
}
void UpdateMaterial(Material Material, PacketMeta Meta, Texture Texture)
{
Material.mainTexture = Texture;
var Aspect = Meta.HorizontalFov / Meta.VerticalFov;
// setup camera for visualisation
if (ProjectionCamera)
{
// gr: fov is vertical
// aspect is width / height
// https://docs.unity3d.com/ScriptReference/Matrix4x4.Perspective.html
ProjectionCamera.fieldOfView = Meta.VerticalFov;
ProjectionCamera.aspect = Aspect;
ProjectionCamera.nearClipPlane = WorldNear;
ProjectionCamera.farClipPlane = WorldFar;
}
//var ProjectionMatrix = ProjectionCamera ? c: Matrix4x4.identity;
var ProjectionMatrix = Matrix4x4.Perspective(Meta.VerticalFov, Aspect, WorldNear, WorldFar);
if (UseCameraProjection)
{
ProjectionMatrix = ProjectionCamera.projectionMatrix;
}
Material.SetMatrix("DepthProjectionMatrix", ProjectionMatrix);
Material.SetFloat("TextureDepthMin", Meta.DepthMin);
Material.SetFloat("TextureDepthMax", Meta.DepthMax);
Material.SetFloat("CameraDepthMin", Meta.MinReliableDistance);
Material.SetFloat("CameraDepthMax", Meta.MaxReliableDistance);
Material.SetFloat("WorldDepthMin", WorldNear);
Material.SetFloat("WorldDepthMax", WorldFar);
}
/// <summary>
/// Try to send a dframe or a keep alive if no user data is waiting to be sent.
/// </summary>
/// <returns>Return true if a dframe was sent</returns>
public bool SendDFrame()
{
if (UserData.Count <= 0)
{
return(false);
}
// If the window is full, don't send any thing
if (IsAckWindowFull())
{
return(false);
}
// If we have sent a user data message that had to be carried in multiple
// dframes then stop sending. We can't have more than one of these on the
// wire at one time (if I've intepreted the specs correctly).
if (MultipleDframePacket)
{
return(false);
}
// The retry time should start at 100 + rtt * 2.5 according to the specs but we use
// 2 as this is a round number.
uint retryTime = 100 + (_rtTime * 2);
while (UserData.Count > 0)
{
byte[] ud = UserData.First();
UserData.RemoveFirst();
// Break the user data block into sizes smaller than the ethernet mtu. We
// assume an MTU of 1450 as some infrastructure steals some bytes.
int offset = 0;
bool firstPacket = true;
bool lastPacket = false;
while (offset < ud.Length)
{
int length;
if ((ud.Length - offset) > 1450)
{
length = 1450;
MultipleDframePacket = true;
}
else
{
length = ud.Length - offset;
lastPacket = true;
}
byte[] pkt = { 0x07, 0x00, NextTxSeq, NextRxSeq };
// If this is the first packet, set the flag to indicate this.
if (firstPacket)
{
pkt[0] |= 0x10;
}
// If this is the last packet, set the flag to indicate this
if (lastPacket)
{
pkt[0] |= 0x20;
}
// If the session isn't fully connected then this must be a session establishment
// message
var sessionState = Context.ActorSelection("../dplay-session").
Ask <FLServer.Player.Session.State>("GetSessState");
if (sessionState.Result == FLServer.Player.Session.State.CONNECTING_SESSINFO)
{
pkt[0] |= 0x40;
}
FLMsgType.AddArray(ref pkt, ud, offset, length);
var spkt = new PacketMeta
{
Data = pkt,
RetryTime = DateTime.UtcNow.AddMilliseconds(retryTime),
SendTime = DateTime.UtcNow
};
_userDataPendingAck[NextTxSeq] = spkt;
//sess.BytesTx += pkt.Length;
Context.ActorSelection("../socket").Tell(pkt);
//TxStart(pkt, sess.Client);
// Increase the retry times if multiple packets are sent so that
// we're less likely to send a massive burst of packets to retry.
retryTime += 5;
NextTxSeq++;
firstPacket = false;
offset += length;
// fixme: it's possible for a multi-dframe user data message to overrun
// the valid seq window size. this is bad and the connection will fail.
}
// If we have sent a user data message that had to be carried in multiple
// dframes then stop sending. We can't have more than one of these on the
// wire at one time (if I've intepreted the specs correctly).
if (MultipleDframePacket)
{
break;
}
// If the window is full, don't send any more
if (IsAckWindowFull())
{
break;
}
}
return(true);
}
