/// <summary>
/// Creates a new animation push operation.
/// </summary>
/// <param name="evaluator">The evaluator.</param>
/// <returns></returns>
public static AnimationOperation NewPush(AnimationClipEvaluator evaluator)
{
return(new AnimationOperation {
Type = AnimationOperationType.Push, Evaluator = evaluator, Time = TimeSpan.Zero
});
}
/// <summary>
/// Creates a new animation pop operation.
/// </summary>
/// <param name="evaluator">The evaluator.</param>
/// <param name="time">The time.</param>
/// <returns></returns>
public static AnimationOperation NewPop(AnimationClipEvaluator evaluator, TimeSpan time)
{
return(new AnimationOperation {
Type = AnimationOperationType.Pop, Evaluator = evaluator, Time = time
});
}
public AnimationClipEvaluator CreateEvaluator(AnimationClip clip)
{
// Check if this clip has already been used
if (clips.Add(clip) || clip.ShouldRescanChannels)
{
// If new clip, let's scan its channel to add new ones.
foreach (var curve in clip.Channels)
{
Channel channel;
if (channelsByName.TryGetValue(curve.Key, out channel))
{
// TODO: Check if channel matches
}
else
{
// New channel, add it to every evaluator
// Find blend type
BlendType blendType;
var elementType = curve.Value.ElementType;
if (elementType == typeof(Quaternion))
{
blendType = BlendType.Quaternion;
}
else if (elementType == typeof(float))
{
blendType = BlendType.Float1;
}
else if (elementType == typeof(Vector2))
{
blendType = BlendType.Float2;
}
else if (elementType == typeof(Vector3))
{
blendType = BlendType.Float3;
}
else if (elementType == typeof(Vector4))
{
blendType = BlendType.Float4;
}
else
{
blendType = BlittableHelper.IsBlittable(elementType) ? BlendType.Blit : BlendType.Object;
}
// Create channel structure
channel.BlendType = blendType;
channel.Offset = blendType == BlendType.Object ? objectsSize : structureSize;
channel.PropertyName = curve.Key;
channel.Size = curve.Value.ElementSize;
channel.IsUserCustomProperty = curve.Value.IsUserCustomProperty;
// Add channel
channelsByName.Add(channel.PropertyName, channel);
channels.Add(channel);
if (blendType == BlendType.Object)
{
objectsSize++;
}
else
{
// Update new structure size
// We also reserve space for a float that will specify channel existence and factor in case of subtree blending
structureSize += sizeof(float) + channel.Size;
}
// Add new channel update info to every evaluator
// TODO: Maybe it's better lazily done? (avoid need to store list of all evaluators)
foreach (var currentEvaluator in evaluators)
{
currentEvaluator.AddChannel(ref channel);
}
}
}
}
// Update results to fit the new data size
lock (availableResultsPool)
{
foreach (var result in availableResultsPool)
{
if (result.DataSize < structureSize)
{
result.DataSize = structureSize;
result.Data = new byte[structureSize];
}
}
}
// Create evaluator and store it in list of instantiated evaluators
AnimationClipEvaluator evaluator;
lock (evaluatorPool)
{
if (evaluatorPool.Count > 0)
{
evaluator = evaluatorPool.Pop();
}
else
{
evaluator = new AnimationClipEvaluator();
}
}
evaluator.Initialize(clip, channels);
evaluators.Add(evaluator);
return(evaluator);
}