166 lines
6.2 KiB
Plaintext
166 lines
6.2 KiB
Plaintext
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// Upgrade NOTE: replaced '_World2Object' with 'unity_WorldToObject'
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// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
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Shader "TOZ/Object/TriProj/Terrain/Standard-AddPass" {
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Properties {
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// set by terrain engine
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[HideInInspector] _Control("Control (RGBA)", 2D) = "red" {}
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[HideInInspector] _Splat3("Layer 3 (A)", 2D) = "white" {}
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[HideInInspector] _Splat2("Layer 2 (B)", 2D) = "white" {}
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[HideInInspector] _Splat1("Layer 1 (G)", 2D) = "white" {}
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[HideInInspector] _Splat0("Layer 0 (R)", 2D) = "white" {}
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[HideInInspector] _Normal3("Normal 3 (A)", 2D) = "bump" {}
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[HideInInspector] _Normal2("Normal 2 (B)", 2D) = "bump" {}
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[HideInInspector] _Normal1("Normal 1 (G)", 2D) = "bump" {}
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[HideInInspector] _Normal0("Normal 0 (R)", 2D) = "bump" {}
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[HideInInspector] [Gamma] _Metallic0("Metallic 0", Range(0.0, 1.0)) = 0.0
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[HideInInspector] [Gamma] _Metallic1("Metallic 1", Range(0.0, 1.0)) = 0.0
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[HideInInspector] [Gamma] _Metallic2("Metallic 2", Range(0.0, 1.0)) = 0.0
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[HideInInspector] [Gamma] _Metallic3("Metallic 3", Range(0.0, 1.0)) = 0.0
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[HideInInspector] _Smoothness ("Smoothness", Range(0.0, 1.0)) = 0.0
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}
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SubShader {
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Tags { "SplatCount" = "4" "Queue" = "Geometry-99" "RenderType" = "Opaque" "IgnoreProjector"="True" }
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CGPROGRAM
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#include "UnityPBSLighting.cginc"
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#pragma target 3.0
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//#pragma exclude_renderers gles
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#pragma surface surf Standard decal:add vertex:vert finalcolor:myfinal exclude_path:prepass exclude_path:deferred
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#pragma multi_compile_fog
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#define TERRAIN_SPLAT_ADDPASS
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#pragma multi_compile __ _TERRAIN_NORMAL_MAP
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sampler2D _Control;
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sampler2D _Splat0, _Splat1, _Splat2, _Splat3;
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#ifdef _TERRAIN_NORMAL_MAP
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sampler2D _Normal0, _Normal1, _Normal2, _Normal3;
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#endif
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float4 _Splat0_ST, _Splat1_ST, _Splat2_ST, _Splat3_ST;
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half _Metallic0, _Metallic1, _Metallic2, _Metallic3;
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half _Smoothness;
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fixed _Blend;
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float _TextureScale;
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struct Input {
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float2 uv_Control : TEXCOORD0;
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float3 norm : TEXCOORD1;
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float3 worldPos;
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UNITY_FOG_COORDS(2)
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};
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void vert (inout appdata_full v, out Input o) {
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UNITY_INITIALIZE_OUTPUT(Input, o);
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fixed3 n = max(abs(v.normal) - _Blend, 0);
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o.norm = n / (n.x + n.y + n.z).xxx;
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float4 pos = UnityObjectToClipPos (v.vertex);
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UNITY_TRANSFER_FOG(o, pos);
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#ifdef _TERRAIN_NORMAL_MAP
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v.tangent.xyz = cross(v.normal, float3(0, 0, 1));
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v.tangent.w = -1;
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#endif
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}
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void surf (Input IN, inout SurfaceOutputStandard o) {
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//Unity 5 texture interpolators already fill in limits, and no room for packing
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//So we do the uvs per pixel :(
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float3 oPos = mul(unity_WorldToObject, fixed4(IN.worldPos, 1.0)).xyz * (1.0 / _TextureScale);
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fixed4 splat_control = tex2D(_Control, IN.uv_Control);
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half weight = dot(splat_control, half4(1, 1, 1, 1));
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#ifndef UNITY_PASS_DEFERRED
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splat_control /= (weight + 1e-3f); // avoid NaNs in splat_control
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#endif
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#if !defined(SHADER_API_MOBILE) && defined(TERRAIN_SPLAT_ADDPASS)
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clip(weight - 0.0039 /*1/255*/);
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#endif
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float2 uvx, uvy, uvz;
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fixed4 cx, cy, cz, col;
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fixed4 nx, ny, nz, nrm;
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//Splat0
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uvx = (oPos.yz - _Splat0_ST.zw) * _Splat0_ST.xy;
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uvy = (oPos.xz - _Splat0_ST.zw) * _Splat0_ST.xy;
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uvz = (oPos.xy - _Splat0_ST.zw) * _Splat0_ST.xy;
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cx = (splat_control.r * tex2D(_Splat0, uvx)) * IN.norm.xxxx;
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cy = (splat_control.r * tex2D(_Splat0, uvy)) * IN.norm.yyyy;
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cz = (splat_control.r * tex2D(_Splat0, uvz)) * IN.norm.zzzz;
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col = (cx + cy + cz);
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#ifdef _TERRAIN_NORMAL_MAP
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nx = (splat_control.r * tex2D(_Normal0, uvx)) * IN.norm.xxxx;
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ny = (splat_control.r * tex2D(_Normal0, uvy)) * IN.norm.yyyy;
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nz = (splat_control.r * tex2D(_Normal0, uvz)) * IN.norm.zzzz;
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nrm = (nx + ny + nz);
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#endif
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//Splat1
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uvx = (oPos.yz - _Splat1_ST.zw) * _Splat1_ST.xy;
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uvy = (oPos.xz - _Splat1_ST.zw) * _Splat1_ST.xy;
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uvz = (oPos.xy - _Splat1_ST.zw) * _Splat1_ST.xy;
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cx = (splat_control.g * tex2D(_Splat1, uvx)) * IN.norm.xxxx;
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cy = (splat_control.g * tex2D(_Splat1, uvy)) * IN.norm.yyyy;
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cz = (splat_control.g * tex2D(_Splat1, uvz)) * IN.norm.zzzz;
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col += (cx + cy + cz);
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#ifdef _TERRAIN_NORMAL_MAP
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nx = (splat_control.g * tex2D(_Normal1, uvx)) * IN.norm.xxxx;
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ny = (splat_control.g * tex2D(_Normal1, uvy)) * IN.norm.yyyy;
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nz = (splat_control.g * tex2D(_Normal1, uvz)) * IN.norm.zzzz;
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nrm += (nx + ny + nz);
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#endif
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//Splat2
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uvx = (oPos.yz - _Splat2_ST.zw) * _Splat2_ST.xy;
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uvy = (oPos.xz - _Splat2_ST.zw) * _Splat2_ST.xy;
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uvz = (oPos.xy - _Splat2_ST.zw) * _Splat2_ST.xy;
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cx = (splat_control.b * tex2D(_Splat2, uvx)) * IN.norm.xxxx;
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cy = (splat_control.b * tex2D(_Splat2, uvy)) * IN.norm.yyyy;
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cz = (splat_control.b * tex2D(_Splat2, uvz)) * IN.norm.zzzz;
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col += (cx + cy + cz);
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#ifdef _TERRAIN_NORMAL_MAP
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nx = (splat_control.b * tex2D(_Normal2, uvx)) * IN.norm.xxxx;
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ny = (splat_control.b * tex2D(_Normal2, uvy)) * IN.norm.yyyy;
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nz = (splat_control.b * tex2D(_Normal2, uvz)) * IN.norm.zzzz;
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nrm += (nx + ny + nz);
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#endif
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//Splat3
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uvx = (oPos.yz - _Splat3_ST.zw) * _Splat3_ST.xy;
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uvy = (oPos.xz - _Splat3_ST.zw) * _Splat3_ST.xy;
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uvz = (oPos.xy - _Splat3_ST.zw) * _Splat3_ST.xy;
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cx = (splat_control.a * tex2D(_Splat3, uvx)) * IN.norm.xxxx;
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cy = (splat_control.a * tex2D(_Splat3, uvy)) * IN.norm.yyyy;
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cz = (splat_control.a * tex2D(_Splat3, uvz)) * IN.norm.zzzz;
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col += (cx + cy + cz);
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#ifdef _TERRAIN_NORMAL_MAP
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nx = (splat_control.a * tex2D(_Normal3, uvx)) * IN.norm.xxxx;
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ny = (splat_control.a * tex2D(_Normal3, uvy)) * IN.norm.yyyy;
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nz = (splat_control.a * tex2D(_Normal3, uvz)) * IN.norm.zzzz;
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nrm += (nx + ny + nz);
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#endif
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//Sum
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col.rgb *= weight;
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o.Albedo = col.rgb;
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#ifdef _TERRAIN_NORMAL_MAP
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o.Normal = UnpackNormal(nrm);
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#endif
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o.Alpha = 1.0;
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o.Smoothness = col.a * _Smoothness;
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o.Metallic = dot(splat_control, half4(_Metallic0, _Metallic1, _Metallic2, _Metallic3));
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}
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void myfinal(Input IN, SurfaceOutputStandard o, inout fixed4 color) {
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//Add fog last
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#ifdef TERRAIN_SPLAT_ADDPASS
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UNITY_APPLY_FOG_COLOR(IN.fogCoord, color, fixed4(0, 0, 0, 0));
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#else
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UNITY_APPLY_FOG(IN.fogCoord, color);
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#endif
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}
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ENDCG
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}
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Fallback "Hidden/TerrainEngine/Splatmap/Standard-AddPass"
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}
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