mirror of https://github.com/oliverbooth/X10D
79 lines
3.3 KiB
C#
79 lines
3.3 KiB
C#
namespace X10D.Unity
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{
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using System.Diagnostics.CodeAnalysis;
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using UnityEngine;
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/// <summary>
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/// A set of extension methods for <see cref="Material"/>.
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/// </summary>
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public static class MaterialExtensions
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{
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private static readonly int srcBlend = Shader.PropertyToID("_SrcBlend");
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private static readonly int dstBlend = Shader.PropertyToID("_DstBlend");
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private static readonly int zWrite = Shader.PropertyToID("_ZWrite");
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/// <summary>
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/// An enumeration of blend modes.
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/// </summary>
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public enum BlendMode
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{
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Opaque,
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Cutout,
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Fade,
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Transparent
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}
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/// <summary>
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/// Changes the material's blend mode.
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/// </summary>
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/// <param name="material">The material.</param>
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/// <param name="blendMode">The blend mode.</param>
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[SuppressMessage("ReSharper", "StringLiteralTypo")]
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public static void ChangeRenderMode(this Material material, BlendMode blendMode)
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{
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switch (blendMode)
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{
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case BlendMode.Opaque:
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material.SetInt(srcBlend, (int)UnityEngine.Rendering.BlendMode.One);
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material.SetInt(dstBlend, (int)UnityEngine.Rendering.BlendMode.Zero);
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material.SetInt(zWrite, 1);
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material.DisableKeyword("_ALPHATEST_ON");
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material.DisableKeyword("_ALPHABLEND_ON");
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material.DisableKeyword("_ALPHAPREMULTIPLY_ON");
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material.renderQueue = -1;
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break;
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case BlendMode.Cutout:
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material.SetInt(srcBlend, (int)UnityEngine.Rendering.BlendMode.One);
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material.SetInt(dstBlend, (int)UnityEngine.Rendering.BlendMode.Zero);
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material.SetInt(zWrite, 1);
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material.EnableKeyword("_ALPHATEST_ON");
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material.DisableKeyword("_ALPHABLEND_ON");
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material.DisableKeyword("_ALPHAPREMULTIPLY_ON");
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material.renderQueue = 2450;
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break;
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case BlendMode.Fade:
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material.SetInt(srcBlend, (int)UnityEngine.Rendering.BlendMode.SrcAlpha);
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material.SetInt(dstBlend, (int)UnityEngine.Rendering.BlendMode.OneMinusSrcAlpha);
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material.SetInt(zWrite, 0);
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material.DisableKeyword("_ALPHATEST_ON");
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material.EnableKeyword("_ALPHABLEND_ON");
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material.DisableKeyword("_ALPHAPREMULTIPLY_ON");
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material.renderQueue = 3000;
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break;
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case BlendMode.Transparent:
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material.SetInt(srcBlend, (int)UnityEngine.Rendering.BlendMode.One);
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material.SetInt(dstBlend, (int)UnityEngine.Rendering.BlendMode.OneMinusSrcAlpha);
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material.SetInt(zWrite, 0);
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material.DisableKeyword("_ALPHATEST_ON");
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material.DisableKeyword("_ALPHABLEND_ON");
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material.EnableKeyword("_ALPHAPREMULTIPLY_ON");
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material.renderQueue = 3000;
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break;
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}
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}
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}
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}
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