// author : Saber 
// date : 2020/12/2
// desc : 本着色器的目的是整合项目中已有的【模型用透明通道特效】,会保留原先shader的全部参数以及实现
// 旨在减少多个材质对同一模型顶点和面片的多次处理，整合特效shader效果

// CombineModelEffectMid:拥有两种UVRoll效果（单效果纹理）以及两种Scan效果（单纹理双效果四通道）
Shader "SaberShad/CombineModelEffectMid"
{
    Properties
    {
        // 被整合的shader参数逐条对应，为了方面识进行了适当的改名
        // 整合uvrolladd_noise_mask效果 (文件名 sy_uvrolladd_noise_mask.shader)
        _UVRollTex ("UVRoll Tex", 2D) = "white" {}
        
        _UVRollColor1 ("UVRoll Color1", Color) = (1, 1, 1, 1)
        _UVRollColor2 ("UVRoll Color2", Color) = (1, 1, 1, 0)
        _UVRollSpeed ("UVRollSpeed", Vector) = (0, 0, 0, 0)
        _UVRollIntensity1 ("UVRoll Intensity1", Range(0, 20)) = 1.5
        _UVRollIntensity2 ("UVRoll Intensity2", Range(0, 20)) = 1.5

        _UVRollNoiseTex ("UVRollNoise", 2D) = "white" {}
        _UVRollNoiseSpeed ("UVRollNoiseSpeed", Vector) = (0, 0, 0, 0)
        _UVRollNoiseIntensity("UVRollNoise Intensity", Range(-10, 10)) = 0

        // 整合了uvroll效果和scan效果的mask为一张通道纹理，去除通道纹理的细节
        // 本shader最多支持两种不同的uvrolladd_noise_mask，分别占用贴图的R和G通道(BA给Scan效果)
        _EffectMaskTex ("EffectMaskTex(RGBA)", 2D) = "white" {}
        _UVRollMaskSpeed ("UVRollMaskSpeed", Vector) = (0, 0, 0, 0)

        // 整合mb_fresnel效果 (文件名 mb_fresnel.shader)
        _FresnelColor ("Fresnel Color", Color) = (1,0.22745,1,1)
        _FresnelIntensity ("Fresnel Intensity", Range(0, 50)) = 3
        
        // 整合mb_outline效果，并保持开启 (文件名 mb_outline.shader)
        _OutlineColor ("Outline Color", Color) = (1, 1, 1, 0)
        _OutlineIntensity ("Outline Intensity", Range(0, 50)) = 1

        // 整合scan效果 (文件名 ZGD_scan_002.shader  ZGD_scan_003效果相同)
        // 最多同时存在两个扫描效果，效果1使用 RG通道分别实现原先的 _Gridlinetex和 _Masktex 效果2使用 BA通道
		_ScanTex("ScanTex", 2D) = "white" {}
        _ScanColor("ScanColor", Color) = (1,1,1,1)
		_ScanIntensity("ScanIntensity", Float) = 0
        // 用这个代替扫描图网格图原先的各个缩放比例
        _GridlineST("GridlineST", Vector) = (1, 1, 1, 1)
		_ScanSpeed("Scan Speed", Float) = 0.5
    }
    SubShader
    {
        Tags { "Queue"="Transparent" "IgnoreProjector"="True" "RenderType"="Transparent"}
        Blend SrcAlpha One
        ZWrite Off
        Lighting Off
        Fog { Mode off }
        pass
        {
            CGPROGRAM
                #pragma target 3.0
                // #pragma shader_feature __ _ROLLADD_MAP
                #pragma shader_feature __ _ROLLADD_NOISE_MASK_MAP
                // #pragma shader_feature __ _EFFECT_MASK_MAP
                #pragma shader_feature __ _MB_FRESNEL
                // #pragma shader_feature __ _SCAN_TEX

                #pragma vertex CmcVertNormal
                #pragma fragment CmcFragMid
                #include "CombineModelEffectCG.cginc"

            ENDCG
        }
    }
    CustomEditor "CombineModelEffectMid"
}