94 lines
2.3 KiB
HLSL
94 lines
2.3 KiB
HLSL
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#ifndef TOONSKETCH_MAIN_INCLUDED
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#define TOONSKETCH_MAIN_INCLUDED
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#include "UnityStandardConfig.cginc"
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#include "UnityStandardCore.cginc"
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#include "TS_Input.cginc"
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half3 TS_GetRamp(float2 uv)
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{
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#ifdef _TS_RAMPTEX_ON
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return saturate(tex2D(_RampTex, uv));
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#else
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half ramp = smoothstep(_RampThreshold - _RampCutoff * 0.5, _RampThreshold + _RampCutoff * 0.5, uv);
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return half3(ramp, ramp, ramp);
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#endif
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}
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half4 TS_GetAlbedo(float2 uv)
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{
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return tex2D(_MainTex, uv) * _Color;
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}
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half4 TS_GetSpecular(float2 uv, half alpha)
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{
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#ifdef _TS_SPECULAR_ON
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half4 specular;
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if (_SmoothnessType == 0)
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{
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specular.rgb = tex2D(_SpecularTex, uv) * _SpecularColor;
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specular.a = alpha;
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}
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else if (_SmoothnessType == 1)
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specular = tex2D(_SpecularTex, uv) * _SpecularColor;
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else
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specular = half4(0, 0, 0, 0);
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specular.a *= _Smoothness;
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return specular;
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#else
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return half4(0, 0, 0, 0);
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#endif
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}
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inline FragmentCommonData TS_SpecularSetup(float2 uv)
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{
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half4 albedo = TS_GetAlbedo(uv);
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half3 diffColor = albedo.rgb;
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#ifdef _TS_SPECULAR_ON
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half4 specular = TS_GetSpecular(uv, albedo.a);
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half3 specColor;
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if (_SpecularType == 0)
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specColor = specular.rgb;
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else if (_SpecularType == 1)
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specColor = specular.rgb * diffColor;
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half smoothness = specular.a;
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#else
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half3 specColor = half3(0, 0, 0);
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half smoothness = 0;
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#endif
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half3 specularOut;
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half oneMinusReflectivity;
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diffColor = DiffuseAndSpecularFromMetallic(diffColor, 0, specularOut, oneMinusReflectivity);
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specColor *= specularOut;
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FragmentCommonData o;
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UNITY_INITIALIZE_OUTPUT(FragmentCommonData, o);
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o.diffColor = diffColor;
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o.specColor = specColor;
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o.oneMinusReflectivity = oneMinusReflectivity;
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o.smoothness = smoothness;
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return o;
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}
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inline FragmentCommonData TS_FragmentSetup(inout float4 i_tex, float3 i_eyeVec, half3 i_viewDirForParallax, float4 tangentToWorld[3], float3 i_posWorld)
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{
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i_tex = Parallax(i_tex, i_viewDirForParallax);
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half alpha = Alpha(i_tex.xy);
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#if defined(_ALPHATEST_ON)
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clip(alpha - _Cutoff);
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#endif
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FragmentCommonData o = TS_SpecularSetup(i_tex.xy);
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o.normalWorld = PerPixelWorldNormal(i_tex, tangentToWorld);
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o.eyeVec = NormalizePerPixelNormal(i_eyeVec);
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o.posWorld = i_posWorld;
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o.diffColor = PreMultiplyAlpha(o.diffColor, alpha, o.oneMinusReflectivity, /*out*/ o.alpha);
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return o;
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}
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#endif
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