public static uint GetChangeMask(
NetworkedComponentTypeInfo networkedComponentTypeInfo, object newValue, object oldValue
)
{
Assert.IsTrue(networkedComponentTypeInfo.ThingsToSynchronize.Count <= (8 * sizeof(uint)));
if (oldValue == null)
{
return(uint.MaxValue);
}
uint changeMask = 0;
uint changeMaskBitIndex = 0;
foreach (var field in networkedComponentTypeInfo.ThingsToSynchronize)
{
object oldFieldValue, newFieldValue;
if (field.FieldInfo != null)
{
oldFieldValue = field.FieldInfo.GetValue(oldValue);
newFieldValue = field.FieldInfo.GetValue(newValue);
}
else if (field.PropertyInfo != null)
{
oldFieldValue = field.PropertyInfo.GetValue(oldValue);
newFieldValue = field.PropertyInfo.GetValue(newValue);
}
else
{
throw new Exception("Invalid field to synchronize.");
}
BitUtilities.SetBit(ref changeMask, (byte)changeMaskBitIndex, !object.Equals(newFieldValue, oldFieldValue));
changeMaskBitIndex++;
}
return(changeMask);
}