GenericBindingUtility

Description

Animation utility functions for reading and writing values from Unity components.

using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Animations;
using UnityEditor;
using Unity.Collections;
using System.Linq;

public class AnimationClipPlayer : MonoBehaviour
{
    public AnimationClip        animationClip;
    public float                time;

    List<AnimationCurve>        curves;

    NativeArray<BoundProperty>  floatProperties;
    NativeArray<BoundProperty>  intProperties;
    NativeArray<float>          floatValues;
    NativeArray<int>            intValues;

    void Start()
    {
        var editorCurveBindings = AnimationUtility.GetCurveBindings(animationClip);
        editorCurveBindings = editorCurveBindings.Where(editorCurveBinding =>
            editorCurveBinding.type != typeof(Transform) && !editorCurveBinding.isPPtrCurve && !editorCurveBinding.isDiscreteCurve
            ).ToArray();

        curves = new List<AnimationCurve>(editorCurveBindings.Length);
        for (var i = 0; i < editorCurveBindings.Length; i++)
        {
            curves.Add(AnimationUtility.GetEditorCurve(animationClip, editorCurveBindings[i]));
        }

        var genericBindings = new NativeArray<GenericBinding>(AnimationUtility.EditorCurveBindingsToGenericBindings(editorCurveBindings), Allocator.Temp);
        GenericBindingUtility.BindProperties(gameObject, genericBindings, out floatProperties, out intProperties, Allocator.Persistent);

        floatValues = new NativeArray<float>(floatProperties.Length, Allocator.Persistent);
        intValues = new NativeArray<int>(intProperties.Length, Allocator.Persistent);
    }

    private void OnDestroy()
    {
        floatProperties.Dispose();
        floatValues.Dispose();
        intProperties.Dispose();
        intValues.Dispose();
    }

    // Update is called once per frame
    void Update()
    {
        for (int i = 0; i < curves.Count; i++)
        {
            floatValues[i] = curves[i].Evaluate(time);
        }

        GenericBindingUtility.SetValues(floatProperties, floatValues);
    }
}

Static Methods