public override void Start()
{
base.Start();
if (AnimationComponent == null)
throw new InvalidOperationException("The animation component is not set");
if (AnimationIdle == null)
throw new InvalidOperationException("Idle animation is not set");
if (AnimationWalk == null)
throw new InvalidOperationException("Walking animation is not set");
if (AnimationShoot == null)
throw new InvalidOperationException("Shooting animation is not set");
if (AnimationReload == null)
throw new InvalidOperationException("Reloading animation is not set");
// By setting a custom blend tree builder we can override the default behavior of the animation system
// Instead, BuildBlendTree(FastList<AnimationOperation> blendStack) will be called each frame
AnimationComponent.BlendTreeBuilder = this;
animEvaluatorIdle = AnimationComponent.Blender.CreateEvaluator(AnimationIdle);
animEvaluatorWalk = AnimationComponent.Blender.CreateEvaluator(AnimationWalk);
animEvaluatorShoot = AnimationComponent.Blender.CreateEvaluator(AnimationShoot);
animEvaluatorReload = AnimationComponent.Blender.CreateEvaluator(AnimationReload);
currentEvaluator = animEvaluatorIdle;
currentClip = AnimationIdle;
}
public void TestAnimationClip()
{
var clip = new AnimationClip
{
Duration = TimeSpan.FromSeconds(2.0f),
RepeatMode = AnimationRepeatMode.LoopInfinite
};
var testCurve = new AnimationCurve<float>();
clip.AddCurve("posx[TestNode]", testCurve);
testCurve.InterpolationType = AnimationCurveInterpolationType.Linear;
var time = CompressedTimeSpan.FromSeconds(0.0f);
var value = 0.0f;
var frame0 = new KeyFrameData<float>(time, value);
testCurve.KeyFrames.Add(frame0);
time = CompressedTimeSpan.FromSeconds(1.0f);
value = 1.0f;
var frame1 = new KeyFrameData<float>(time, value);
testCurve.KeyFrames.Add(frame1);
clip.Optimize();
var optimizedCurvesFloat = (AnimationData<float>)clip.OptimizedAnimationDatas.First();
//we should have 3 frames at this point. the last one will be added by the optimization process...
Assert.That(optimizedCurvesFloat.AnimationSortedValueCount, Is.EqualTo(1));
//And 2 initial frames
Assert.That(optimizedCurvesFloat.AnimationInitialValues[0].Value1, Is.EqualTo(frame0));
Assert.That(optimizedCurvesFloat.AnimationInitialValues[0].Value2, Is.EqualTo(frame1));
Assert.That(optimizedCurvesFloat.AnimationSortedValues.Length, Is.EqualTo(1));
Assert.That(optimizedCurvesFloat.AnimationSortedValues[0].Length, Is.EqualTo(1));
Assert.That(optimizedCurvesFloat.AnimationSortedValues[0][0].Value, Is.EqualTo(frame1));
}
protected override async Task LoadContent()
{
await base.LoadContent();
var knightModel = Content.Load<Model>("knight Model");
knight = new Entity { new ModelComponent { Model = knightModel } };
knight.Transform.Position = new Vector3(0, 0f, 0f);
var animationComponent = knight.GetOrCreate<AnimationComponent>();
animationComponent.Animations.Add("Run", Content.Load<AnimationClip>("knight Run"));
animationComponent.Animations.Add("Idle", Content.Load<AnimationClip>("knight Idle"));
// We will test both non-optimized and optimized clips
megalodonClip = CreateModelChangeAnimation(new ProceduralModelDescriptor(new CubeProceduralModel { Size = Vector3.One, MaterialInstance = { Material = knightModel.Materials[0].Material } }).GenerateModel(Services));
knightOptimizedClip = CreateModelChangeAnimation(Content.Load<Model>("knight Model"));
knightOptimizedClip.Optimize();
animationComponent.Animations.Add("ChangeModel1", megalodonClip);
animationComponent.Animations.Add("ChangeModel2", knightOptimizedClip);
Scene.Entities.Add(knight);
camera = new TestCamera();
CameraComponent = camera.Camera;
Script.Add(camera);
camera.Position = new Vector3(6.0f, 2.5f, 1.5f);
camera.SetTarget(knight, true);
}
internal void Initialize(AnimationClip clip, List<AnimationBlender.Channel> channels)
{
this.BlenderChannels = channels;
this.clip = clip;
clip.Freeze();
// If there are optimized curve data, instantiate (first time) and initialize appropriate evaluators
if (clip.OptimizedAnimationDatas != null)
{
foreach (var optimizedData in clip.OptimizedAnimationDatas)
{
var optimizedEvaluatorGroup = curveEvaluatorGroups.OfType<AnimationCurveEvaluatorOptimizedGroup>().FirstOrDefault(x => x.ElementType == optimizedData.ElementType);
if (optimizedEvaluatorGroup == null)
{
optimizedEvaluatorGroup = optimizedData.CreateEvaluator();
curveEvaluatorGroups.Add(optimizedEvaluatorGroup);
}
optimizedEvaluatorGroup.Initialize(optimizedData);
}
}
// Add already existing channels
for (int index = 0; index < channels.Count; index++)
{
var channel = channels[index];
AddChannel(ref channel);
}
}
protected override async Task LoadContent()
{
await base.LoadContent();
var knightModel = Asset.Load<Model>("knight Model");
knight = new Entity { new ModelComponent { Model = knightModel } };
knight.Transform.Position = new Vector3(0, 0f, 0f);
var animationComponent = knight.GetOrCreate<AnimationComponent>();
animationComponent.Animations.Add("Run", Asset.Load<AnimationClip>("knight Run"));
animationComponent.Animations.Add("Idle", Asset.Load<AnimationClip>("knight Idle"));
// We will test both non-optimized and optimized clips
megalodonClip = CreateModelChangeAnimation(new ProceduralModelDescriptor(new CubeProceduralModel { Size = Vector3.One, MaterialInstance = { Material = knightModel.Materials[0].Material } }).GenerateModel(Services));
knightOptimizedClip = CreateModelChangeAnimation(Asset.Load<Model>("knight Model"));
knightOptimizedClip.Optimize();
animationComponent.Animations.Add("ChangeModel1", megalodonClip);
animationComponent.Animations.Add("ChangeModel2", knightOptimizedClip);
Scene.Entities.Add(knight);
camera = new TestCamera();
CameraComponent = camera.Camera;
Script.Add(camera);
LightingKeys.EnableFixedAmbientLight(GraphicsDevice.Parameters, true);
GraphicsDevice.Parameters.Set(EnvironmentLightKeys.GetParameterKey(LightSimpleAmbientKeys.AmbientLight, 0), (Color3)Color.White);
camera.Position = new Vector3(6.0f, 2.5f, 1.5f);
camera.SetTarget(knight, true);
}
private AnimationClip CreateModelChangeAnimation(Model model)
{
var changeMegalodonAnimClip = new AnimationClip();
var modelCurve = new AnimationCurve<object>();
modelCurve.KeyFrames.Add(new KeyFrameData<object>(CompressedTimeSpan.Zero, model));
changeMegalodonAnimClip.AddCurve("[ModelComponent.Key].Model", modelCurve);
return changeMegalodonAnimClip;
}
internal void Cleanup()
{
foreach (var curveEvaluatorGroup in curveEvaluatorGroups)
{
curveEvaluatorGroup.Cleanup();
}
Channels.Clear();
BlenderChannels = null;
clip = null;
}
public override void Start()
{
base.Start();
if (AnimationComponent == null)
throw new InvalidOperationException("The animation component is not set");
if (AnimationIdle == null)
throw new InvalidOperationException("Idle animation is not set");
if (AnimationWalk == null)
throw new InvalidOperationException("Walking animation is not set");
if (AnimationRun == null)
throw new InvalidOperationException("Running animation is not set");
if (AnimationJumpStart == null)
throw new InvalidOperationException("Jumping animation is not set");
if (AnimationJumpMid == null)
throw new InvalidOperationException("Airborne animation is not set");
if (AnimationJumpEnd == null)
throw new InvalidOperationException("Landing animation is not set");
// By setting a custom blend tree builder we can override the default behavior of the animation system
// Instead, BuildBlendTree(FastList<AnimationOperation> blendStack) will be called each frame
AnimationComponent.BlendTreeBuilder = this;
animEvaluatorIdle = AnimationComponent.Blender.CreateEvaluator(AnimationIdle);
animEvaluatorWalk = AnimationComponent.Blender.CreateEvaluator(AnimationWalk);
animEvaluatorRun = AnimationComponent.Blender.CreateEvaluator(AnimationRun);
animEvaluatorJumpStart = AnimationComponent.Blender.CreateEvaluator(AnimationJumpStart);
animEvaluatorJumpMid = AnimationComponent.Blender.CreateEvaluator(AnimationJumpMid);
animEvaluatorJumpEnd = AnimationComponent.Blender.CreateEvaluator(AnimationJumpEnd);
// Initial walk lerp
walkLerpFactor = 0;
animEvaluatorWalkLerp1 = animEvaluatorIdle;
animEvaluatorWalkLerp2 = animEvaluatorWalk;
animationClipWalkLerp1 = AnimationIdle;
animationClipWalkLerp2 = AnimationWalk;
}
private void UpdateWalking()
{
if (runSpeed < WalkThreshold)
{
walkLerpFactor = runSpeed / WalkThreshold;
walkLerpFactor = (float)Math.Sqrt(walkLerpFactor); // Idle-Walk blend looks really werid, so skew the factor towards walking
animEvaluatorWalkLerp1 = animEvaluatorIdle;
animEvaluatorWalkLerp2 = animEvaluatorWalk;
animationClipWalkLerp1 = AnimationIdle;
animationClipWalkLerp2 = AnimationWalk;
}
else
{
walkLerpFactor = (runSpeed - WalkThreshold) / (1.0f - WalkThreshold);
animEvaluatorWalkLerp1 = animEvaluatorWalk;
animEvaluatorWalkLerp2 = animEvaluatorRun;
animationClipWalkLerp1 = AnimationWalk;
animationClipWalkLerp2 = AnimationRun;
}
// Use DrawTime rather than UpdateTime
var time = Game.DrawTime;
// This update function will account for animation with different durations, keeping a current time relative to the blended maximum duration
long blendedMaxDuration = 0;
blendedMaxDuration =
(long)MathUtil.Lerp(animationClipWalkLerp1.Duration.Ticks, animationClipWalkLerp2.Duration.Ticks, walkLerpFactor);
var currentTicks = TimeSpan.FromTicks((long)(currentTime * blendedMaxDuration));
currentTicks = blendedMaxDuration == 0
? TimeSpan.Zero
: TimeSpan.FromTicks((currentTicks.Ticks + (long)(time.Elapsed.Ticks * TimeFactor)) %
blendedMaxDuration);
currentTime = ((double)currentTicks.Ticks / (double)blendedMaxDuration);
}
internal bool attached; // Is it part of a AnimationComponent.PlayingAnimations collection?
internal PlayingAnimation(string name, AnimationClip clip) : this()
{
Name = name;
Clip = clip;
RepeatMode = Clip.RepeatMode;
}
private unsafe object ExportAnimation(ICommandContext commandContext, AssetManager assetManager)
{
// Read from model file
var modelSkeleton = LoadSkeleton(commandContext, assetManager); // we get model skeleton to compare it to real skeleton we need to map to
var animationClips = LoadAnimation(commandContext, assetManager);
AnimationClip animationClip = null;
if (animationClips.Count > 0)
{
animationClip = new AnimationClip();
AnimationClip rootMotionAnimationClip = null;
// If root motion is explicitely enabled, or if there is no skeleton, try to find root node and apply animation directly on TransformComponent
if ((AnimationRootMotion || SkeletonUrl == null) && modelSkeleton.Nodes.Length >= 1)
{
// No skeleton, map root node only
// TODO: For now, it seems to be located on node 1 in FBX files. Need to check if always the case, and what happens with Assimp
var rootNode0 = modelSkeleton.Nodes.Length >= 1 ? modelSkeleton.Nodes[0].Name : null;
var rootNode1 = modelSkeleton.Nodes.Length >= 2 ? modelSkeleton.Nodes[1].Name : null;
if ((rootNode0 != null && animationClips.TryGetValue(rootNode0, out rootMotionAnimationClip))
|| (rootNode1 != null && animationClips.TryGetValue(rootNode1, out rootMotionAnimationClip)))
{
foreach (var channel in rootMotionAnimationClip.Channels)
{
var curve = rootMotionAnimationClip.Curves[channel.Value.CurveIndex];
// Root motion
var channelName = channel.Key;
if (channelName.StartsWith("Transform."))
{
animationClip.AddCurve($"[TransformComponent.Key]." + channelName.Replace("Transform.", string.Empty), curve);
}
// Also apply Camera curves
// TODO: Add some other curves?
if (channelName.StartsWith("Camera."))
{
animationClip.AddCurve($"[CameraComponent.Key]." + channelName.Replace("Camera.", string.Empty), curve);
}
}
// Take max of durations
if (animationClip.Duration < rootMotionAnimationClip.Duration)
animationClip.Duration = rootMotionAnimationClip.Duration;
}
}
// Load asset reference skeleton
if (SkeletonUrl != null)
{
var skeleton = assetManager.Load<Skeleton>(SkeletonUrl);
var skeletonMapping = new SkeletonMapping(skeleton, modelSkeleton);
// Process missing nodes
foreach (var nodeAnimationClipEntry in animationClips)
{
var nodeName = nodeAnimationClipEntry.Key;
var nodeAnimationClip = nodeAnimationClipEntry.Value;
var nodeIndex = modelSkeleton.Nodes.IndexOf(x => x.Name == nodeName);
// Node doesn't exist in skeleton? skip it
if (nodeIndex == -1 || skeletonMapping.SourceToSource[nodeIndex] != nodeIndex)
continue;
// Skip root motion node (if any)
if (nodeAnimationClip == rootMotionAnimationClip)
continue;
// Find parent node
var parentNodeIndex = modelSkeleton.Nodes[nodeIndex].ParentIndex;
if (parentNodeIndex != -1 && skeletonMapping.SourceToSource[parentNodeIndex] != parentNodeIndex)
{
// Some nodes were removed, we need to concat the anim curves
var currentNodeIndex = nodeIndex;
var nodesToMerge = new List<Tuple<ModelNodeDefinition, AnimationBlender, AnimationClipEvaluator>>();
while (currentNodeIndex != -1 && currentNodeIndex != skeletonMapping.SourceToSource[parentNodeIndex])
{
AnimationClip animationClipToMerge;
AnimationClipEvaluator animationClipEvaluator = null;
AnimationBlender animationBlender = null;
if (animationClips.TryGetValue(modelSkeleton.Nodes[currentNodeIndex].Name, out animationClipToMerge))
{
animationBlender = new AnimationBlender();
animationClipEvaluator = animationBlender.CreateEvaluator(animationClipToMerge);
}
nodesToMerge.Add(Tuple.Create(modelSkeleton.Nodes[currentNodeIndex], animationBlender, animationClipEvaluator));
currentNodeIndex = modelSkeleton.Nodes[currentNodeIndex].ParentIndex;
}
// Put them in proper parent to children order
nodesToMerge.Reverse();
// Find all key times
// TODO: We should detect discontinuities and keep them
var animationKeysSet = new HashSet<CompressedTimeSpan>();
foreach (var node in nodesToMerge)
{
foreach (var curve in node.Item3.Clip.Curves)
{
foreach (CompressedTimeSpan time in curve.Keys)
{
animationKeysSet.Add(time);
}
}
}
// Sort key times
var animationKeys = animationKeysSet.ToList();
animationKeys.Sort();
var animationOperations = new FastList<AnimationOperation>();
var combinedAnimationClip = new AnimationClip();
var translationCurve = new AnimationCurve<Vector3>();
var rotationCurve = new AnimationCurve<Quaternion>();
var scaleCurve = new AnimationCurve<Vector3>();
// Evaluate at every key frame
foreach (var animationKey in animationKeys)
{
var matrix = Matrix.Identity;
// Evaluate node
foreach (var node in nodesToMerge)
{
// Get default position
var modelNodeDefinition = node.Item1;
// Compute
AnimationClipResult animationClipResult = null;
animationOperations.Clear();
animationOperations.Add(AnimationOperation.NewPush(node.Item3, animationKey));
node.Item2.Compute(animationOperations, ref animationClipResult);
var updateMemberInfos = new List<UpdateMemberInfo>();
foreach (var channel in animationClipResult.Channels)
updateMemberInfos.Add(new UpdateMemberInfo { Name = channel.PropertyName, DataOffset = channel.Offset });
// TODO: Cache this
var compiledUpdate = UpdateEngine.Compile(typeof(ModelNodeDefinition), updateMemberInfos);
unsafe
{
fixed (byte* data = animationClipResult.Data)
UpdateEngine.Run(modelNodeDefinition, compiledUpdate, (IntPtr)data, null);
}
Matrix localMatrix;
TransformComponent.CreateMatrixTRS(ref modelNodeDefinition.Transform.Position, ref modelNodeDefinition.Transform.Rotation, ref modelNodeDefinition.Transform.Scale,
out localMatrix);
matrix = Matrix.Multiply(localMatrix, matrix);
}
// Done evaluating, let's decompose matrix
TransformTRS transform;
matrix.Decompose(out transform.Scale, out transform.Rotation, out transform.Position);
// Create a key
translationCurve.KeyFrames.Add(new KeyFrameData<Vector3>(animationKey, transform.Position));
rotationCurve.KeyFrames.Add(new KeyFrameData<Quaternion>(animationKey, transform.Rotation));
scaleCurve.KeyFrames.Add(new KeyFrameData<Vector3>(animationKey, transform.Scale));
}
combinedAnimationClip.AddCurve($"{nameof(ModelNodeTransformation.Transform)}.{nameof(TransformTRS.Position)}", translationCurve);
combinedAnimationClip.AddCurve($"{nameof(ModelNodeTransformation.Transform)}.{nameof(TransformTRS.Rotation)}", rotationCurve);
combinedAnimationClip.AddCurve($"{nameof(ModelNodeTransformation.Transform)}.{nameof(TransformTRS.Scale)}", scaleCurve);
nodeAnimationClip = combinedAnimationClip;
}
foreach (var channel in nodeAnimationClip.Channels)
{
var curve = nodeAnimationClip.Curves[channel.Value.CurveIndex];
// TODO: Root motion
var channelName = channel.Key;
if (channelName.StartsWith("Transform."))
{
animationClip.AddCurve($"[ModelComponent.Key].Skeleton.NodeTransformations[{skeletonMapping.SourceToTarget[nodeIndex]}]." + channelName, curve);
}
}
// Take max of durations
if (animationClip.Duration < nodeAnimationClip.Duration)
animationClip.Duration = nodeAnimationClip.Duration;
}
}
}
if (animationClip == null)
{
commandContext.Logger.Info("File {0} has an empty animation.", SourcePath);
}
else
{
if (animationClip.Duration.Ticks == 0)
{
commandContext.Logger.Warning("File {0} has a 0 tick long animation.", SourcePath);
}
// Optimize and set common parameters
animationClip.RepeatMode = AnimationRepeatMode;
animationClip.Optimize();
}
return animationClip;
}
public AnimationClipEvaluator CreateEvaluator(AnimationClip clip)
{
// Check if this clip has already been used
if (clips.Add(clip))
{
// 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;
// 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;
}
private void SwitchToDefaultState()
{
currentTime = (state == defaultState) ? currentTime : 0;
state = defaultState;
if (state == AnimationState.Idle)
{
currentClip = AnimationIdle;
currentEvaluator = animEvaluatorIdle;
}
else
{
currentClip = AnimationWalk;
currentEvaluator = animEvaluatorWalk;
}
}
public override void Update()
{
runSpeedEvent.TryReceive(out runSpeed);
defaultState = (runSpeed > 0.15f) ? AnimationState.Walking : AnimationState.Idle;
WeaponFiredResult weaponResult;
var didFire = weaponFiredEvent.TryReceive(out weaponResult);
bool isReloading;
var didReload = isReloadingEvent.TryReceive(out isReloading);
isReloading |= didReload;
// Update current animation
var currentTicks = TimeSpan.FromTicks((long)(currentTime * currentClip.Duration.Ticks));
var updatedTicks = currentTicks.Ticks + (long)(Game.DrawTime.Elapsed.Ticks * TimeFactor);
var currentClipFinished = (updatedTicks >= currentClip.Duration.Ticks);
currentTicks = TimeSpan.FromTicks(updatedTicks % currentClip.Duration.Ticks);
currentTime = ((double)currentTicks.Ticks / (double)currentClip.Duration.Ticks);
// State change if necessary
if (isReloading)
{
if (state != AnimationState.Reloading)
{
currentTime = 0;
state = AnimationState.Reloading;
currentClip = AnimationReload;
currentEvaluator = animEvaluatorReload;
}
}
else
if (didFire)
{
if (state != AnimationState.Shooting)
{
currentTime = 0;
state = AnimationState.Shooting;
currentClip = AnimationShoot;
currentEvaluator = animEvaluatorShoot;
}
}
else
if (currentClipFinished)
{
SwitchToDefaultState();
}
else
if ((state == AnimationState.Idle || state == AnimationState.Walking) && state != defaultState)
{
SwitchToDefaultState();
}
}
public AnimationClipEvaluator CreateEvaluator(AnimationClip clip)
{
// Check if this clip has already been used
if (clips.Add(clip))
{
// 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;
// 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);
}