Unity3D研究院之Image组件K特殊材质动画的一种方法（一百二十八）

using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
#if UNITY_EDITOR
using UnityEditor;
#endif
[RequireComponent(typeof(MeshRenderer))]
[RequireComponent(typeof(Image))]
public class ImageAnim : MonoBehaviour
{
    [System.Serializable]
    public class Data
    {
        public string name;
        public string type;
        public bool enable;
    }
    public List<Data> Property = new List<Data>();

    private Image m_Image;
    private Material m_ImageMat;
    private MeshRenderer m_MeshRenderer;
    private MaterialPropertyBlock m_MaterialPropertyBlock;
    
    private void Awake()
    {
        m_MeshRenderer = GetComponent<MeshRenderer>();
        m_MaterialPropertyBlock = new MaterialPropertyBlock();
        m_Image = GetComponent<Image>();
        m_ImageMat = Instantiate(m_Image.material);
        m_Image.material = m_ImageMat;
    }

    private void LateUpdate()
    {
        if (m_MeshRenderer.HasPropertyBlock())
        {
            m_MeshRenderer.GetPropertyBlock(m_MaterialPropertyBlock);
            foreach (var item in Property)
            {
                if (item.enable)
                {
                    SetValue(item.name, item.type);
                }
            }
        }
     
    }
    void SetValue (string name, string type)
    {
        switch (type)
        {
            case "Color":
                m_Image.color = m_MaterialPropertyBlock.GetColor(name);
                break;
            case "Float":
            case "Range":
                m_Image.material.SetFloat(name,m_MaterialPropertyBlock.GetFloat(name));
                break;
            case "Vector":
                m_Image.material.SetVector(name, m_MaterialPropertyBlock.GetVector(name));
                break;
            default:
                break;
        }

    }
}
#if UNITY_EDITOR
[CustomEditor(typeof(ImageAnim))]
public class MyTestEditor : Editor
{
    ImageAnim myTest;
    MeshRenderer meshrenderer;
    private void OnEnable()
    {
        myTest = (target as ImageAnim);
        meshrenderer = myTest.GetComponent<MeshRenderer>();
    }
    public override void OnInspectorGUI()
    {
        base.OnInspectorGUI();
        if (GUILayout.Button("refresh"))
        {
            myTest.Property = new List<ImageAnim.Data>();
            Shader shader = meshrenderer.sharedMaterial.shader;
            int count = shader.GetPropertyCount();
            for (int i = 0; i < count; i++)
            {
                myTest.Property.Add(new ImageAnim.Data() { name = shader.GetPropertyName(i), type = shader.GetPropertyType(i).ToString() });
            }
        }

    }
}
#endif