public void SetPropertyValues(HashSet <SyncableProperties.Type> properties)
{
foreach (SyncableProperties.Type property in properties)
{
SyncedProperty syncedProperty;
CurrentlySyncedProperties.TryGetValue(property, out syncedProperty);
if (syncedProperty != null)
{
SetPropertyValue(syncedProperty);
}
}
}
/// <summary>
/// Compare the value (not "reference") of the given property.
/// Assumption: the caller has already checked if PhysActor exists
/// if there are physics properties updated.
/// If the value maintained here is different from that in SP data,
/// synchronize the two:
/// (1) if the cached value has a timestamp newer than lastUpdateByLocalTS
/// overwrite the SP's property with the cached value (effectively
/// undoing the local write operation that just happened).
/// (2) otherwise, copy SP's data and update timestamp and syncID
/// as indicated by "lastUpdateByLocalTS" and "syncID".
/// </summary>
/// <param name="sp"></param>
/// <param name="property"></param>
/// <param name="lastUpdateByLocalTS"></param>
/// <param name="syncID"></param>
/// <returns>Return true if the property's value maintained in this
/// RegionSyncModule is replaced by SP's data.</returns>
private bool CompareValue_UpdateByLocal(ScenePresence sp, SyncableProperties.Type property, long lastUpdateByLocalTS, string syncID)
{
//DebugLog.WarnFormat("[SYNC INFO PRESENCE] CompareValue_UpdateByLocal: Updating property {0} on sp {1}", property.ToString(), sp.UUID);
// Check to see if this property is in the sync cache for this object.
// If not, add it and initialize value to value in ScenePresence.
bool ret = false;
SyncedProperty syncedProperty;
CurrentlySyncedProperties.TryGetValue(property, out syncedProperty);
// If synced property is not in cache, add it now
if (syncedProperty == null)
{
Object initValue = GetPropertyValue(sp, property);
if (initValue != null)
{
CurrentlySyncedProperties.Add(property, new SyncedProperty(property, initValue, lastUpdateByLocalTS, syncID));
ret = true;
}
return(ret);
}
// First, check if the value maintained here is different from that in SP's.
// If different, next check if the timestamp in SyncInfo is newer than lastUpdateByLocalTS;
// if so (although ideally should not happen, but due to things likc clock not so perfectly
// sync'ed, it might happen), overwrite SP's value with what's maintained
// in SyncInfo; otherwise, copy SP's data to SyncInfo.
Object value = GetPropertyValue(sp, property);
// If both null, no update needed
if (syncedProperty.LastUpdateValue == null && value == null)
{
return(false);
}
switch (property)
{
default:
// If one is null and the other is not, or if the references are different, the property was changed.
// This will perform a value comparison for strings in C#. We could use String.Clone instead for string properties.
if ((value == null && syncedProperty.LastUpdateValue != null) ||
(value != null && syncedProperty.LastUpdateValue == null) ||
(!value.Equals(syncedProperty.LastUpdateValue)))
{
if (value != null)
{
// Some values, even if they are not 'equal', might be close enough to be equal.
// Note that the 'Equals()' above will most always return 'false' for lists and OSDMaps
// since they are probably not the same object.
// Returning a 'false' here means the values don't need any updating (they are equal enough).
switch (property)
{
case SyncableProperties.Type.AvatarAppearance:
String stringValue = OSDParser.SerializeJsonString((OSDMap)value);
String lastStringValue = OSDParser.SerializeJsonString((OSDMap)syncedProperty.LastUpdateValue);
if (stringValue == lastStringValue)
{
return(false);
}
break;
case SyncableProperties.Type.Animations:
if (syncedProperty.LastUpdateValue != null)
{
AnimationSet lastAnimations = new AnimationSet((OSDArray)syncedProperty.LastUpdateValue);
// Get the home region for this presence (the client manager the presence is connected to).
string cachedRealRegionName = (string)(CurrentlySyncedProperties[SyncableProperties.Type.RealRegion].LastUpdateValue);
if (cachedRealRegionName != Scene.Name && sp.Animator.Animations.ToArray().Length == 0)
{
// If this is not the originating region for this presence and there is no additional
// animations being added, this simulator does not change the animation.
// THIS IS A HORRIBLE KLUDGE. FIGURE OUT THE REAL SOLUTION!!
// The problem is that animations are changed by every simulator (setting default
// sit and stand when parentID changes) and the updates conflict/override the real
// settings (like a scripted sit animation).
// DebugLog.DebugFormat("{0} CompareValue_UpdateByLocal. Not home sim or no anim change. spID={1}, homeSim={2}, thisSim={3}, anims={4}",
// LogHeader, sp.LocalId, cachedRealRegionName, Scene.Name, sp.Animator.Animations.ToArray().Length); // DEBUG DEBUG
return(false);
}
if (lastAnimations.Equals(sp.Animator.Animations))
{
// DebugLog.DebugFormat("{0} CompareValue_UpdateByLocal. Equal anims. spID={1}, sp.Anim={2}, lastAnim={3}",
// LogHeader, sp.LocalId, sp.Animator.Animations, lastAnimations); // DEBUG DEBUG
return(false);
}
else
{
// If locally storing a new value of the animation, don't check for the time.
// DebugLog.DebugFormat("{0} CompareValue_UpdateByLocal. Not equal anims. spID={1}, sp.Anim={2}, lastAnim={3}",
// LogHeader, sp.LocalId, sp.Animator.Animations, lastAnimations); // DEBUG DEBUG
syncedProperty.UpdateSyncInfoByLocal(lastUpdateByLocalTS, syncID, value);
return(true);
}
}
break;
case SyncableProperties.Type.Velocity:
case SyncableProperties.Type.PA_Velocity:
case SyncableProperties.Type.PA_TargetVelocity:
case SyncableProperties.Type.RotationalVelocity:
case SyncableProperties.Type.AngularVelocity:
{
Vector3 partVal = (Vector3)value;
Vector3 lastVal = (Vector3)syncedProperty.LastUpdateValue;
// If velocity difference is small but not zero, don't update
if (partVal.ApproxEquals(lastVal, VELOCITY_TOLERANCE) && !partVal.Equals(Vector3.Zero))
{
return(false);
}
break;
}
case SyncableProperties.Type.RotationOffset:
case SyncableProperties.Type.Orientation:
{
Quaternion partVal = (Quaternion)value;
Quaternion lastVal = (Quaternion)syncedProperty.LastUpdateValue;
if (partVal.ApproxEquals(lastVal, ROTATION_TOLERANCE))
{
return(false);
}
break;
}
case SyncableProperties.Type.OffsetPosition:
case SyncableProperties.Type.AbsolutePosition:
case SyncableProperties.Type.Position:
case SyncableProperties.Type.GroupPosition:
{
Vector3 partVal = (Vector3)value;
Vector3 lastVal = (Vector3)syncedProperty.LastUpdateValue;
if (partVal.ApproxEquals(lastVal, POSITION_TOLERANCE))
{
return(false);
}
break;
}
}
}
// If we get here, the values are not equal and we need to update the cached value if the
// new value is timestamp newer.
if (lastUpdateByLocalTS >= syncedProperty.LastUpdateTimeStamp)
{
// DebugLog.DebugFormat("{0} CompareValue_UpdateByLocal (property={1}): TS >= lastTS (updating SyncInfo)", LogHeader, property);
syncedProperty.UpdateSyncInfoByLocal(lastUpdateByLocalTS, syncID, value);
return(true);
}
}
break;
}
return(false);
}
