Add AnimationRootMotionFlags to configure root motion component extraction

Add `RootMotionMode` to support extracting root motion from animated skeleton pose center of mass

#1429 #2152

Source/Engine/Animations/AnimationData.cpp

@@ -0,0 +1,84 @@
+// Copyright (c) 2012-2023 Wojciech Figat. All rights reserved.
+
+#include "AnimationData.h"
+
+void NodeAnimationData::Evaluate(float time, Transform* result, bool loop) const
+{
+    if (Position.GetKeyframes().HasItems())
+#if USE_LARGE_WORLDS
+    {
+        Float3 position;
+        Position.Evaluate(position, time, loop);
+        result->Translation = position;
+    }
+#else
+        Position.Evaluate(result->Translation, time, loop);
+#endif
+    if (Rotation.GetKeyframes().HasItems())
+        Rotation.Evaluate(result->Orientation, time, loop);
+    if (Scale.GetKeyframes().HasItems())
+        Scale.Evaluate(result->Scale, time, loop);
+}
+
+void NodeAnimationData::EvaluateAll(float time, Transform* result, bool loop) const
+{
+    Float3 position;
+    Position.Evaluate(position, time, loop);
+    result->Translation = position;
+    Rotation.Evaluate(result->Orientation, time, loop);
+    Scale.Evaluate(result->Scale, time, loop);
+}
+
+int32 NodeAnimationData::GetKeyframesCount() const
+{
+    return Position.GetKeyframes().Count() + Rotation.GetKeyframes().Count() + Scale.GetKeyframes().Count();
+}
+
+uint64 NodeAnimationData::GetMemoryUsage() const
+{
+    return NodeName.Length() * sizeof(Char) + Position.GetMemoryUsage() + Rotation.GetMemoryUsage() + Scale.GetMemoryUsage();
+}
+
+uint64 AnimationData::GetMemoryUsage() const
+{
+    uint64 result = (Name.Length() + RootNodeName.Length()) * sizeof(Char) + Channels.Capacity() * sizeof(NodeAnimationData);
+    for (const auto& e : Channels)
+        result += e.GetMemoryUsage();
+    return result;
+}
+
+int32 AnimationData::GetKeyframesCount() const
+{
+    int32 result = 0;
+    for (int32 i = 0; i < Channels.Count(); i++)
+        result += Channels[i].GetKeyframesCount();
+    return result;
+}
+
+NodeAnimationData* AnimationData::GetChannel(const StringView& name)
+{
+    for (auto& e : Channels)
+        if (e.NodeName == name)
+            return &e;
+    return nullptr;
+}
+
+void AnimationData::Swap(AnimationData& other)
+{
+    ::Swap(Duration, other.Duration);
+    ::Swap(FramesPerSecond, other.FramesPerSecond);
+    ::Swap(RootMotionFlags, other.RootMotionFlags);
+    ::Swap(Name, other.Name);
+    ::Swap(RootNodeName, other.RootNodeName);
+    Channels.Swap(other.Channels);
+}
+
+void AnimationData::Dispose()
+{
+    Name.Clear();
+    Duration = 0.0;
+    FramesPerSecond = 0.0;
+    RootNodeName.Clear();
+    RootMotionFlags = AnimationRootMotionFlags::None;
+    Channels.Resize(0);
+}