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Diffstat (limited to 'Assets/ThirdParty/VRM/VRMShaders/UniUnlit/Scripts/Utils.cs')
| -rw-r--r-- | Assets/ThirdParty/VRM/VRMShaders/UniUnlit/Scripts/Utils.cs | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/Assets/ThirdParty/VRM/VRMShaders/UniUnlit/Scripts/Utils.cs b/Assets/ThirdParty/VRM/VRMShaders/UniUnlit/Scripts/Utils.cs new file mode 100644 index 00000000..74c47405 --- /dev/null +++ b/Assets/ThirdParty/VRM/VRMShaders/UniUnlit/Scripts/Utils.cs @@ -0,0 +1,153 @@ +using System; +using UnityEngine; +using UnityEngine.Rendering; + +namespace UniGLTF.UniUnlit +{ + public enum UniUnlitRenderMode + { + Opaque = 0, + Cutout = 1, + Transparent = 2, + } + + public enum UniUnlitCullMode + { + Off = 0, + // Front = 1, + Back = 2, + } + + public enum UniUnlitVertexColorBlendOp + { + None = 0, + Multiply = 1, + } + + public static class Utils + { + public const string ShaderName = "UniGLTF/UniUnlit"; + public const string PropNameMainTex = "_MainTex"; + public const string PropNameColor = "_Color"; + public const string PropNameCutoff = "_Cutoff"; + public const string PropNameBlendMode = "_BlendMode"; + public const string PropNameCullMode = "_CullMode"; + [Obsolete("Use PropNameVColBlendMode")] + public const string PropeNameVColBlendMode = PropNameVColBlendMode; + public const string PropNameVColBlendMode = "_VColBlendMode"; + public const string PropNameSrcBlend = "_SrcBlend"; + public const string PropNameDstBlend = "_DstBlend"; + public const string PropNameZWrite = "_ZWrite"; + + public const string PropNameStandardShadersRenderMode = "_Mode"; + + public const string KeywordAlphaTestOn = "_ALPHATEST_ON"; + public const string KeywordAlphaBlendOn = "_ALPHABLEND_ON"; + public const string KeywordVertexColMul = "_VERTEXCOL_MUL"; + + public const string TagRenderTypeKey = "RenderType"; + public const string TagRenderTypeValueOpaque = "Opaque"; + public const string TagRenderTypeValueTransparentCutout = "TransparentCutout"; + public const string TagRenderTypeValueTransparent = "Transparent"; + + public static void SetRenderMode(Material material, UniUnlitRenderMode mode) + { + material.SetInt(PropNameBlendMode, (int)mode); + } + + public static void SetCullMode(Material material, UniUnlitCullMode mode) + { + material.SetInt(PropNameCullMode, (int)mode); + } + + public static void SetVColBlendMode(Material material, UniUnlitVertexColorBlendOp mode) + { + material.SetInt(PropNameVColBlendMode, (int)mode); + } + + public static UniUnlitRenderMode GetRenderMode(Material material) + { + return (UniUnlitRenderMode)material.GetInt(PropNameBlendMode); + } + + public static UniUnlitCullMode GetCullMode(Material material) + { + return (UniUnlitCullMode)material.GetInt(PropNameCullMode); + } + + public static UniUnlitVertexColorBlendOp GetVColBlendMode(Material material) + { + return (UniUnlitVertexColorBlendOp)material.GetInt(PropNameVColBlendMode); + } + + /// <summary> + /// Validate target material's UniUnlitRenderMode, UniUnlitVertexColorBlendOp. + /// Set appropriate hidden properties & keywords. + /// This will change RenderQueue independent to UniUnlitRenderMode if isRenderModeChangedByUser is true. + /// </summary> + /// <param name="material">Target material</param> + /// <param name="isRenderModeChangedByUser">Is changed by user</param> + public static void ValidateProperties(Material material, bool isRenderModeChangedByUser = false) + { + SetupBlendMode(material, (UniUnlitRenderMode)material.GetFloat(PropNameBlendMode), + isRenderModeChangedByUser); + SetupVertexColorBlendOp(material, (UniUnlitVertexColorBlendOp)material.GetFloat(PropNameVColBlendMode)); + } + + private static void SetupBlendMode(Material material, UniUnlitRenderMode renderMode, + bool isRenderModeChangedByUser = false) + { + switch (renderMode) + { + case UniUnlitRenderMode.Opaque: + material.SetOverrideTag(TagRenderTypeKey, TagRenderTypeValueOpaque); + material.SetInt(PropNameSrcBlend, (int)BlendMode.One); + material.SetInt(PropNameDstBlend, (int)BlendMode.Zero); + material.SetInt(PropNameZWrite, 1); + SetKeyword(material, KeywordAlphaTestOn, false); + SetKeyword(material, KeywordAlphaBlendOn, false); + if (isRenderModeChangedByUser) material.renderQueue = -1; + break; + case UniUnlitRenderMode.Cutout: + material.SetOverrideTag(TagRenderTypeKey, TagRenderTypeValueTransparentCutout); + material.SetInt(PropNameSrcBlend, (int)BlendMode.One); + material.SetInt(PropNameDstBlend, (int)BlendMode.Zero); + material.SetInt(PropNameZWrite, 1); + SetKeyword(material, KeywordAlphaTestOn, true); + SetKeyword(material, KeywordAlphaBlendOn, false); + if (isRenderModeChangedByUser) material.renderQueue = (int)RenderQueue.AlphaTest; + break; + case UniUnlitRenderMode.Transparent: + material.SetOverrideTag(TagRenderTypeKey, TagRenderTypeValueTransparent); + material.SetInt(PropNameSrcBlend, (int)BlendMode.SrcAlpha); + material.SetInt(PropNameDstBlend, (int)BlendMode.OneMinusSrcAlpha); + material.SetInt(PropNameZWrite, 0); + SetKeyword(material, KeywordAlphaTestOn, false); + SetKeyword(material, KeywordAlphaBlendOn, true); + if (isRenderModeChangedByUser) material.renderQueue = (int)RenderQueue.Transparent; + break; + } + } + + private static void SetupVertexColorBlendOp(Material material, UniUnlitVertexColorBlendOp vColBlendOp) + { + switch (vColBlendOp) + { + case UniUnlitVertexColorBlendOp.None: + SetKeyword(material, KeywordVertexColMul, false); + break; + case UniUnlitVertexColorBlendOp.Multiply: + SetKeyword(material, KeywordVertexColMul, true); + break; + } + } + + private static void SetKeyword(Material mat, string keyword, bool required) + { + if (required) + mat.EnableKeyword(keyword); + else + mat.DisableKeyword(keyword); + } + } +}
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