ANTM/Assets/NpcFaceShapeChanger.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using WebTools.Customizes.Behaviours;

public class NpcFaceShapeChanger : MonoBehaviour
{
    [System.Serializable]
    public struct ShapeStruct
    {
        public BlendShapeType blendShapeType;
        public string blendShapeName;
    }

    [SerializeField]
    private List<ShapeStruct> shapes;

    [SerializeField]
    private List<Transform> targets;

    private List<BlendMesh> blends;

    private void OnEnable()
    {
        if (blends == null)
        {
            blends = new List<BlendMesh>();
            foreach (Transform target in targets)
                blends.AddRange(target.GetComponentsInChildren<BlendMesh>(true));
        }
        foreach(ShapeStruct shape in shapes)
            foreach (BlendMesh blend in blends)
                blend.SetBlendShapeWeight(shape.blendShapeType, shape.blendShapeName, 100);
    }
}