using System;
using UnityEngine;
using UnityEditor.Graphing;
using UnityEditor.ShaderGraph.Internal;

namespace UnityEditor.ShaderGraph
{
    [Serializable]
    class Matrix4ShaderProperty : MatrixShaderProperty
    {
        public Matrix4ShaderProperty()
        {
            displayName = "Matrix4x4";
            value = Matrix4x4.identity;
        }
        internal override bool isGpuInstanceable => true;
        
        public override PropertyType propertyType => PropertyType.Matrix4;
        
        internal override AbstractMaterialNode ToConcreteNode()
        {
            return new Matrix4Node
            {
                row0 = new Vector4(value.m00, value.m01, value.m02, value.m03),
                row1 = new Vector4(value.m10, value.m11, value.m12, value.m13),
                row2 = new Vector4(value.m20, value.m21, value.m22, value.m23),
                row3 = new Vector4(value.m30, value.m31, value.m32, value.m33)
            };
        }

        internal override PreviewProperty GetPreviewMaterialProperty()
        {
            return new PreviewProperty(propertyType)
            {
                name = referenceName,
                matrixValue = value
            };
        }

        internal override ShaderInput Copy()
        {
            return new Matrix4ShaderProperty()
            {
                displayName = displayName,
                hidden = hidden,
                value = value
            };
        }
    }
}