Material Texture#

using System;
using UnityEngine;
using VisualScript.Icons;

namespace VisualScript.Runtime
{
    [Get]

    [Title("Material Texture")]
    [Category("Material/Material Texture")]

    [Description("The Texture assigned to one of the texture properties of a Material")]
    [Image(typeof(IconTexture), ColorTheme.Type.Blue, typeof(BadgeLink))]

    [Parameter("Material", "The Material the Texture is read from")]
    [Parameter("Property", "The name of the shader property. '_MainTex' by default")]

    [Keywords("Shader", "Main", "Albedo", "Map", "Property", "Read")]

    [Serializable]
    public class TypeTextureMaterial : TypeTexture
    {
        private const string PROPERTY = "_MainTex";

        [SerializeField] private GetMaterial m_Material = new GetMaterial();
        [SerializeField] private GetString m_Property = new GetString(PROPERTY);

        public override Texture Get(Args args)
        {
            Material material = this.m_Material.Get(args);
            if (material == null) return null;

            string property = this.m_Property.Get(args);
            if (string.IsNullOrEmpty(property)) property = PROPERTY;

            return material.HasProperty(property) ? material.GetTexture(property) : null;
        }

        public override string ToString()
        {
            return $"{this.m_Material} Texture";
        }

        protected override SubscriptionMode Subscription => SubscriptionMode.OnChange;
    }
}