﻿/*
 *  The MIT License
 *
 *  Copyright 2018-2022 whiteflare.
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"),
 *  to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
 *  and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 *  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 *  TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
Shader "UnlitWF/Custom/WF_UnToon_Custom_ClearCoat_Addition" {

    Properties {
        // 基本
        [WFHeader(Base)]
            _MainTex                ("Main Texture", 2D) = "white" {}
        [HDR]
            _Color                  ("Color", Color) = (1, 1, 1, 1)

        // クリアコート
        [WFHeaderAlwaysOn(ClearCoat)]
            _CCT_Enable             ("[CCT] Enable", Float) = 1
            _CCT_Width              ("[CCT] Thickness", Range(0, 5)) = 1
            _CCT_Z_Shift            ("[CCT] Z-shift (tweak)", Range(-0.5, 0.5)) = 0
        [Enum(OFF,0,FRONT,1,BACK,2)]
            _CCT_CullMode           ("[CCT] Cull Mode", int) = 2

        // ノーマルマップ
        [WFHeaderToggle(NormalMap)]
            _NM_Enable              ("[NM] Enable", Float) = 0
        [NoScaleOffset]
            _BumpMap                ("[NM] NormalMap Texture", 2D) = "bump" {}
            _BumpScale              ("[NM] Bump Scale", Range(0, 2)) = 1.0
            _NM_Power               ("[NM] Shadow Power", Range(0, 1)) = 0.25
        [Enum(NONE,0,X,1,Y,2,XY,3)]
            _FlipMirror             ("[NM] Flip Mirror", Float) = 0

        // Detailノーマルマップ
        [WFHeaderToggle(Detail NormalMap)]
            _NS_Enable              ("[NS] Enable", Float) = 0
        [Enum(UV1,0,UV2,1)]
            _NS_UVType              ("[NS] 2nd Normal UV Type", Float) = 0
            _DetailNormalMap        ("[NS] 2nd NormalMap Texture", 2D) = "bump" {}
            _DetailNormalMapScale   ("[NS] 2nd Bump Scale", Range(0, 2)) = 0.4
        [NoScaleOffset]
            _NS_2ndMaskTex          ("[NS] 2nd NormalMap Mask Texture (R)", 2D) = "white" {}
        [Toggle(_)]
            _NS_InvMaskVal          ("[NS] Invert Mask Value", Range(0, 1)) = 0

        // メタリックマップ
        [WFHeaderToggle(Metallic)]
            _MT_Enable              ("[MT] Enable", Float) = 0
            _MT_Metallic            ("[MT] Metallic", Range(0, 1)) = 1
            _MT_ReflSmooth          ("[MT] Smoothness", Range(0, 1)) = 1
        [WF_FixFloat(1.0)]
            _MT_Brightness          ("[MT] Brightness", Range(0, 1)) = 0.2
            _MT_BlendNormal         ("[MT] Blend Normal", Range(0, 1)) = 0.1
            _MT_BlendNormal2        ("[MT] Blend Normal 2nd", Range(0, 1)) = 0.1
            _MT_Monochrome          ("[MT] Monochrome Reflection", Range(0, 1)) = 0
        [Toggle(_)]
            _MT_GeomSpecAA          ("[MT] Geometric Specular AA", Range(0, 1)) = 1
        [Enum(MASK,0,METALLIC,1)]
            _MT_MetallicMapType     ("[MT] MetallicMap Type", Float) = 0
        [NoScaleOffset]
            _MetallicGlossMap       ("[MT] MetallicSmoothnessMap Texture", 2D) = "white" {}
        [Toggle(_)]
            _MT_InvMaskVal          ("[MT] Invert Mask Value", Range(0, 1)) = 0
        [NoScaleOffset]
            _SpecGlossMap           ("[MT] RoughnessMap Texture", 2D) = "black" {}
        [Toggle(_)]
            _MT_InvRoughnessMaskVal ("[MT] Invert Mask Value", Range(0, 1)) = 0

        [Header(Metallic Specular)]
            _MT_Specular            ("[MT] Specular", Range(0, 1)) = 0
            _MT_SpecSmooth          ("[MT] Smoothness", Range(0, 1)) = 0.8

        [Header(Metallic Secondary)]
        [Enum(OFF,0,ONLY_SECOND_MAP,2)]
            _MT_CubemapType         ("[MT] 2nd CubeMap Blend", Float) = 0
        [NoScaleOffset]
            _MT_Cubemap             ("[MT] 2nd CubeMap", Cube) = "" {}
            _MT_CubemapPower        ("[MT] 2nd CubeMap Power", Range(0, 2)) = 1
            _MT_CubemapHighCut      ("[MT] 2nd CubeMap Hi-Cut Filter", Range(0, 1)) = 0

        // Matcapハイライト
        [WFHeaderToggle(Light Matcap)]
            _HL_Enable              ("[HL] Enable", Float) = 0
        [Enum(MEDIAN_CAP,0,LIGHT_CAP,1,SHADE_CAP,2)]
            _HL_CapType             ("[HL] Matcap Type", Float) = 0
        [NoScaleOffset]
            _HL_MatcapTex           ("[HL] Matcap Sampler", 2D) = "gray" {}
            _HL_MedianColor         ("[HL] Matcap Base Color", Color) = (0.5, 0.5, 0.5, 1)
            _HL_Power               ("[HL] Power", Range(0, 2)) = 1
            _HL_BlendNormal         ("[HL] Blend Normal", Range(0, 1)) = 0.1
            _HL_BlendNormal2        ("[HL] Blend Normal 2nd", Range(0, 1)) = 0.1
        [NoScaleOffset]
            _HL_MaskTex             ("[HL] Mask Texture (RGB)", 2D) = "white" {}
        [Toggle(_)]
            _HL_InvMaskVal          ("[HL] Invert Mask Value", Range(0, 1)) = 0
        [Header(Matcap Advance)]
            _HL_Parallax            ("[HL] Parallax", Range(0, 1)) = 0.75
            _HL_MatcapMonochrome    ("[HL] Matcap Monochrome", Range(0, 1)) = 0
            _HL_MatcapColor         ("[HL] Matcap Tint Color", Color) = (0.5, 0.5, 0.5, 1)

        [WFHeaderToggle(Light Matcap 2)]
            _HL_Enable_1            ("[HA] Enable", Float) = 0
        [Enum(MEDIAN_CAP,0,LIGHT_CAP,1,SHADE_CAP,2)]
            _HL_CapType_1           ("[HA] Matcap Type", Float) = 0
        [NoScaleOffset]
            _HL_MatcapTex_1         ("[HA] Matcap Sampler", 2D) = "gray" {}
            _HL_MedianColor_1       ("[HA] Matcap Base Color", Color) = (0.5, 0.5, 0.5, 1)
            _HL_Power_1             ("[HA] Power", Range(0, 2)) = 1
            _HL_BlendNormal_1       ("[HA] Blend Normal", Range(0, 1)) = 0.1
            _HL_BlendNormal2_1      ("[HA] Blend Normal 2nd", Range(0, 1)) = 0.1
        [NoScaleOffset]
            _HL_MaskTex_1           ("[HA] Mask Texture", 2D) = "white" {}
        [Toggle(_)]
            _HL_InvMaskVal_1        ("[HA] Invert Mask Value", Range(0, 1)) = 0
        [Header(Matcap Advance)]
            _HL_Parallax_1          ("[HA] Parallax", Range(0, 1)) = 0.75
            _HL_MatcapMonochrome_1  ("[HA] Matcap Monochrome", Range(0, 1)) = 0
            _HL_MatcapColor_1       ("[HA] Matcap Tint Color", Color) = (0.5, 0.5, 0.5, 1)

        // Ambient Occlusion
        [WFHeaderToggle(Ambient Occlusion)]
            _AO_Enable              ("[AO] Enable", Float) = 0
        [Enum(UV1,0,UV2,1)]
            _AO_UVType              ("[AO] UV Type", Float) = 0
        [NoScaleOffset]
            _OcclusionMap           ("[AO] Occlusion Map (RGB)", 2D) = "white" {}
        [Toggle(_)]
            _AO_UseGreenMap         ("[AO] Use Green Channel Only", Float) = 0
            _AO_TintColor           ("[AO] Tint Color", Color) = (0, 0, 0, 1)
        [Toggle(_)]
            _AO_UseLightMap         ("[AO] Use LightMap", Float) = 1
            _AO_Contrast            ("[AO] Contrast", Range(0, 2)) = 1
            _AO_Brightness          ("[AO] Brightness", Range(-1, 1)) = 0

        // Lit
        [WFHeader(Lit)]
        [Gamma]
            _GL_LevelMin            ("Unlit Intensity", Range(0, 1)) = 0.125
        [Gamma]
            _GL_LevelMax            ("Saturate Intensity", Range(0, 1)) = 0.8
            _GL_BlendPower          ("Chroma Reaction", Range(0, 1)) = 0.8
        [Toggle(_)]
            _GL_CastShadow          ("Cast Shadows", Range(0, 1)) = 1

        [WFHeader(Lit Advance)]
        [Enum(AUTO,0,ONLY_DIRECTIONAL_LIT,1,ONLY_POINT_LIT,2,CUSTOM_WORLD_DIR,3,CUSTOM_LOCAL_DIR,4,CUSTOM_WORLD_POS,5)]
            _GL_LightMode           ("Sun Source", Float) = 0
            _GL_CustomAzimuth       ("Custom Sun Azimuth", Range(0, 360)) = 0
            _GL_CustomAltitude      ("Custom Sun Altitude", Range(-90, 90)) = 45
        [WF_Vector3]
            _GL_CustomLitPos        ("Custom Light Pos", Vector) = (0, 3, 0)
        [Toggle(_)]
            _GL_DisableBackLit      ("Disable BackLit", Range(0, 1)) = 0
        [Toggle(_)]
            _GL_DisableBasePos      ("Disable ObjectBasePos", Range(0, 1)) = 0

        [HideInInspector]
        [WF_FixFloat(0.0)]
            _CurrentVersion         ("2022/09/23", Float) = 0
    }

    SubShader {
        Tags {
            "RenderType" = "Transparent"
            "Queue" = "Transparent+450"
            "IgnoreProjector" = "True"
            "VRCFallback" = "Hidden"
        }

        Pass {
            Name "CLEARCOAT"
            Tags { "LightMode" = "ForwardBase" }

            Cull [_CCT_CullMode]
            ZWrite OFF
            Blend One One, One OneMinusSrcAlpha

            CGPROGRAM

            #pragma vertex vert_clearcoat
            #pragma fragment frag_clearcoat

            #pragma target 4.5

            #define _WF_FORCE_USE_SAMPLER

            #pragma shader_feature_local _ _GL_AUTO_ENABLE _GL_ONLYDIR_ENABLE _GL_ONLYPOINT_ENABLE _GL_WSDIR_ENABLE _GL_LSDIR_ENABLE _GL_WSPOS_ENABLE
            #pragma shader_feature_local _AO_ENABLE
            #pragma shader_feature_local _NM_ENABLE
            #pragma shader_feature_local _NS_ENABLE
            #pragma shader_feature_local_fragment _ _MT_ONLY2ND_ENABLE
            #pragma shader_feature_local_fragment _HL_ENABLE
            #pragma shader_feature_local_fragment _HL_ENABLE_1
            #pragma shader_feature_local_fragment _MT_ENABLE

            #pragma multi_compile_fwdbase
            #pragma multi_compile_fog
            #pragma multi_compile_instancing
            #pragma multi_compile _ LOD_FADE_CROSSFADE

            #pragma skip_variants SHADOWS_SCREEN SHADOWS_CUBE SHADOWS_SHADOWMASK

            #include "WF_UnToon_ClearCoat.cginc"

            ENDCG
        }

        UsePass "Hidden/UnlitWF/WF_UnToon_Hidden/META"
    }

    FallBack "Hidden/UnlitWF/WF_UnToon_Hidden"

    CustomEditor "UnlitWF.ShaderCustomEditor"
}
