public void OnAgentEnteredRegion(ScenePresence avatar)
{
Vector3 apos;
if (m_ready)
{
if (avatar.HasSafePosition(out apos))
{
// Quantize the position to a 16 x 16 x 3 meter box. This reduces
// the number of calls into the wind plugin when the avatar density
// is high.
apos.X = (((int)apos.X) / 16) * 16;
apos.Y = (((int)apos.Y) / 16) * 16;
apos.Z = (((int)apos.Z) / 3) * 3;
if (m_activeWindPlugin != null && apos != windZpos)
{
// Ask wind plugin to generate a LL wind array for the specified position
windSpeeds = m_activeWindPlugin.WindLLClientArray(apos);
windZpos = apos;
}
avatar.ControllingClient.SendWindData(windSpeeds);
}
}
}
/// <summary>
/// Tests to see whether the given avatar can be seen by the client at the given position
/// </summary>
/// <param name="clientAbsPosition">Position to check from</param>
/// <param name="presence">The avatar to check</param>
/// <returns></returns>
public bool ShowEntityToClient(Vector3 clientAbsPosition, ScenePresence presence)
{
if (UseCulling == false)
{
return(true);
}
Vector3 avpos;
if (!presence.HasSafePosition(out avpos))
{
return(false);
}
float drawDistance = m_presence.DrawDistance;
if (m_presence.DrawDistance < _MINIMUM_DRAW_DISTANCE)
{
drawDistance = _MINIMUM_DRAW_DISTANCE; //Smallest distance we will check
}
return(Vector3.DistanceSquared(clientAbsPosition, avpos) <= drawDistance * drawDistance);
}