237 lines
8.5 KiB
Plaintext
237 lines
8.5 KiB
Plaintext
/*
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Author:gzg
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Date:2019-09-12
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Desc:创建角色场景使用的头发Shader
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*/
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Shader "Ares/Special/CreatePlayer/Hair"
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{
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Properties
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{
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_MainTex ("Texture", 2D) = "white" {}
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_SquareFactor("SquareFactor",Range(0,1))=1
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_MaskTex ("MaskTex", 2D) = "white" {}
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_MetalTex ("MetalTex", 2D) = "white" {}
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_EnvCube("_EnvCube",Cube) ="white" {}
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_PRB_Metallic("Metallic",Range(0,1)) = 1
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_PBR_Roughness("Roughness",Range(0.08,1)) = 0.1
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_DayNightTimeRatio("DayNightTimeRatio",Range(0,1)) = 1
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_DayNightVector("_DayNightVector",Vector) = (0,0,0,0)
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_Cutoff("_Cutoff",Range(0,1)) = 0.3
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_PointLightColor("_PointLightColor",Color) = (0,0,0,0)
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_PointLightPos("_PointLightPos",Vector) = (0,0,0,0)
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_EmissiveFactor("EmissiveFactor",Range(0,1)) =1
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}
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CGINCLUDE
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#include "../../Gonbest/Include/Base/CommonCG.cginc"
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#include "../../Gonbest/Include/Base/MathCG.cginc"
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#include "../../Gonbest/Include/Specular/GGXCG.cginc"
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#include "../../Gonbest/Include/Diffuse/LambertCG.cginc"
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#include "../../Gonbest/Include/Base/FresnelCG.cginc"
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#include "../../Gonbest/Include//Base/EnergyCG.cginc"
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struct v2f
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{
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float4 vertex : SV_POSITION;
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float2 uv : TEXCOORD0;
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float3 wn : TEXCOORD1;
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float4 wp : TEXCOORD2;
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};
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sampler2D _MainTex;
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sampler2D _MaskTex;
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sampler2D _MetalTex;
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samplerCUBE _EnvCube;
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float4 _MainTex_ST;
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uniform float _PBR_Roughness;
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uniform float _PRB_Metallic;
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float _EyeAdaptionLevel; // Offset: 140 Size: 4
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float3 _HDRColor; // Offset: 144 Size: 12
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float _HDRMin; // Offset: 156 Size: 4
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float _HDRMax; // Offset: 160 Size: 4
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float4 _DayNightVector;
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float _SquareFactor;
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float _DayNightTimeRatio;
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float _Cutoff;
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float4 _PointLightColor;
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float4 _PointLightPos;
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float _EmissiveFactor;
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v2f vert (appdata_full v)
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{
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v2f o;
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o.wp = mul(unity_ObjectToWorld,v.vertex).xyzw;
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o.vertex = mul(UNITY_MATRIX_VP,o.wp);
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o.uv = TRANSFORM_TEX(v.texcoord, _MainTex);
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o.wn = GBNormalizeSafe(mul(v.normal.xyz,(float3x3)unity_WorldToObject));
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return o;
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}
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float3 f_PointLightLit_float4_float4(in float4 _lightColor, in float4 _lightPoint, in float3 _position, in float3 _normal)
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{
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float3 _light_dir = {0.0, 0.0, 0.0};
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float _light_atten = {0.0};
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(_light_dir = (_lightPoint.xyz - _position.xyz));
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float _light_dist = length(_light_dir);
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float _range_atten = (_light_dist / _lightPoint.w);
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(_light_dir = (_light_dir / _light_dist));
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(_light_atten = max((1.0 - (_range_atten * _range_atten)), 0.0));
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return ((_light_atten * max(dot(_light_dir, _normal), 0.0)) * _lightColor.xyz);
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}
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fixed4 frag (v2f i) : SV_Target
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{
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// sample the texture
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fixed4 col = tex2D(_MainTex, i.uv);
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float4 _MaskTexValue = tex2D(_MaskTex,i.uv);
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col =lerp(col,col*col,_SquareFactor);
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float3 V = GBNormalizeSafe(_WorldSpaceCameraPos.xyz - i.wp.xyz);
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float3 L = GBNormalizeSafe(_WorldSpaceLightPos0.xyz);
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float3 N = GBNormalizeSafe(i.wn);
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float3 H = GBNormalizeSafe(V+L);
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float3 LoVRaw = dot(L,V);
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float3 NoVRaw = dot(N,V);
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float3 R = reflect(-V, N);
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float NoLRaw = dot(N,L);
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float NoL = saturate(NoLRaw);
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float NoL01 = NoLRaw *0.5 + 0.5;
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float3 diffuse = float3(col.xy,col.z-0.01*(col.x+col.y)) * (_MaskTexValue.x+_MaskTexValue.y+_MaskTexValue.z) + col.xyz * (1 - (_MaskTexValue.x+_MaskTexValue.y+_MaskTexValue.z));
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float s57b = abs(dot(V,R));
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s57b = s57b * s57b * s57b * 5.0;
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float4 _MetalTexParam = tex2D(_MetalTex,i.uv);
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float3 indirect = (float3)0;// texCUBE(_EnvCube,R);
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indirect = (diffuse + indirect * 2) ;
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float3 _Local34 = min(8,max(0,(diffuse + indirect * 2) * s57b * _MetalTexParam.z));
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float s57c = abs(saturate(((1-saturate(dot(V,N))) -0.66)/ 0.66));
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s57c*=s57c;
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float3 rimColor = s57c * float3(0.59,0.28,0.117) * dot(N,float3(1,1,0)) ;
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float3 _Local58 = ((_DayNightTimeRatio * _DayNightVector.x + _DayNightVector.y)*max(0,(1 - dot((-L),N)))) *float3(0.908,0.666,0.349) + float3(0,0,0);
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//diffuse * _Local58 +
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float3 EmissColor = min(_Local34, 8) * _EmissiveFactor ;
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float3 specColor = lerp(float3(0.04,0.04,0.04),col,_PRB_Metallic);
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float _InvLenH = rsqrt((2.0 + (2.0 * LoVRaw)));
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float NoH = saturate((NoLRaw + NoVRaw) * _InvLenH);
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float VoH = saturate(_InvLenH + (_InvLenH * LoVRaw));
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float NoV = saturate(abs(NoVRaw));
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//NoH = saturate(dot(N,H));
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float3 F = GBFresnelTermFastWithSpecGreen(specColor,NoH);
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float D = GBGGXTerm(NoH,_PBR_Roughness);
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float Vis = GBSmithJointGGXVisibilityTerm(NoV,NoL,_PBR_Roughness);
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float3 sun = col.xyz + F*D*Vis * _MaskTexValue.x ; //
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float3 pointLight = f_PointLightLit_float4_float4(_PointLightColor,_PointLightPos+i.wp,i.wp,N) ;//* col.xyz ;
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col.xyz = sun + EmissColor ;
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#if defined(_GONBEST_SPEC_ALPHA_ON)
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col.a = GBLuminance(EmissColor);
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#endif
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return col;
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}
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ENDCG
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SubShader
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{
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Tags { "LightMode" = "ForwardBase" "Queue" = "Transparent" "RenderType" = "Opaque"}
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/*
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Pass
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{
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Tags { "LightMode" = "ForwardBase" "Queue" = "Geometry"}
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ZWrite On
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ZTest Less
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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ENDCG
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}
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*/
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Pass
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{
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//先写深度
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//这个Pass用处是写ZBuffer和Alpha信息,不写颜色信息
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//好处是,在pixelshader部分改变ZBuffer了,所以只能Late-Z,但是pixelshader的语句简单,所以能提高效率
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Name "WRITE&Z&A"
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Tags { "Queue" = "AlphaTest" "RenderType" = "TransparentCutout" }
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Cull Off
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ZWrite On
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ZTest Less
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ColorMask 0
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag_write_z_a
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#pragma multi_compile _GONBEST_SPEC_ALPHA_ON
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//写深度的处理
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fixed4 frag_write_z_a(v2f i): COLOR
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{
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fixed4 color = tex2D(_MainTex,i.uv) ;
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clip(color.a * color.a - _Cutoff);
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return float4(color.xyz,0);
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}
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ENDCG
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}
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Pass
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{
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Tags { "LightMode" = "ForwardBase" "Queue" = "AlphaTest" "RenderType" = "TransparentCutout"}
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Cull Off
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ZWrite Off
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ZTest Equal
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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#pragma multi_compile _GONBEST_SPEC_ALPHA_ON
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ENDCG
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}
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Pass
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{
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Tags { "LightMode" = "ForwardBase" "Queue" = "Transparent" "RenderType" = "Transparent"}
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Cull Front
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ZWrite Off
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ZTest Less
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Blend SrcAlpha OneMinusSrcAlpha,Zero OneMinusSrcAlpha
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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ENDCG
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}
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Pass
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{
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Tags { "LightMode" = "ForwardBase" "Queue" = "Transparent" "RenderType" = "Transparent"}
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Cull Back
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ZWrite Off
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ZTest Less
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Blend SrcAlpha OneMinusSrcAlpha,Zero OneMinusSrcAlpha
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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ENDCG
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}
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}
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Fallback "Gonbest/FallBack/FBWithShadow"
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}
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