104 lines
3.7 KiB
HLSL
Executable file
104 lines
3.7 KiB
HLSL
Executable file
#ifndef POI_IRIDESCENCE
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#define POI_IRIDESCENCE
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#if defined(PROP_IRIDESCENCERAMP) || !defined(OPTIMIZER_ENABLED)
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UNITY_DECLARE_TEX2D_NOSAMPLER(_IridescenceRamp); float4 _IridescenceRamp_ST;
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#endif
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#if defined(PROP_IRIDESCENCEMASK) || !defined(OPTIMIZER_ENABLED)
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UNITY_DECLARE_TEX2D_NOSAMPLER(_IridescenceMask); float4 _IridescenceMask_ST;
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#endif
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#if defined(PROP_IRIDESCENCENORMALMAP) || !defined(OPTIMIZER_ENABLED)
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UNITY_DECLARE_TEX2D_NOSAMPLER(_IridescenceNormalMap); float4 _IridescenceNormalMap_ST;
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#endif
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float _IridescenceNormalUV;
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float _IridescenceMaskUV;
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float _IridescenceNormalSelection;
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float _IridescenceNormalIntensity;
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float _IridescenceNormalToggle;
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float _IridescenceIntensity;
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fixed _IridescenceAddBlend;
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fixed _IridescenceReplaceBlend;
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fixed _IridescenceMultiplyBlend;
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float _IridescenceEmissionStrength;
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float _IridescencePanSpeed;
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half _IridescenceOffset;
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half _IridescenceHueShiftEnabled;
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half _IridescenceHueShiftSpeed;
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half _IridescenceHueShift;
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#ifdef POI_AUDIOLINK
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half _IridescenceAudioLinkEmissionBand;
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half2 _IridescenceAudioLinkEmission;
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#endif
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//global
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#if defined(PROP_IRIDESCENCENORMALMAP) || !defined(OPTIMIZER_ENABLED)
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float3 calculateNormal(float3 baseNormal)
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{
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float3 normal = UnpackScaleNormal(UNITY_SAMPLE_TEX2D_SAMPLER(_IridescenceNormalMap, _MainTex, TRANSFORM_TEX(poiMesh.uv[_IridescenceNormalUV], _IridescenceNormalMap)), _IridescenceNormalIntensity);
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return normalize(
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normal.x * poiMesh.tangent +
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normal.y * poiMesh.binormal +
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normal.z * baseNormal
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);
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}
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#endif
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void applyIridescence(inout float4 albedo, inout float3 IridescenceEmission)
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{
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float3 normal = poiMesh.normals[_IridescenceNormalSelection];
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#if defined(PROP_IRIDESCENCENORMALMAP) || !defined(OPTIMIZER_ENABLED)
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// Use custom normal map
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UNITY_BRANCH
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if (_IridescenceNormalToggle)
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{
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normal = calculateNormal(normal);
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}
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#endif
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float ndotv = abs(dot(normal, poiCam.viewDir)) + _Time.x * _IridescencePanSpeed + _IridescenceOffset;
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#if defined(PROP_IRIDESCENCERAMP) || !defined(OPTIMIZER_ENABLED)
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float4 iridescenceColor = UNITY_SAMPLE_TEX2D_SAMPLER(_IridescenceRamp, _MainTex, ndotv);
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#else
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float4 iridescenceColor = 1;
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#endif
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#if defined(PROP_IRIDESCENCEMASK) || !defined(OPTIMIZER_ENABLED)
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float4 iridescenceMask = UNITY_SAMPLE_TEX2D_SAMPLER(_IridescenceMask, _MainTex, TRANSFORM_TEX(poiMesh.uv[_IridescenceMaskUV], _IridescenceMask));
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#else
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float4 iridescenceMask = 1;
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#endif
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#ifdef POI_BLACKLIGHT
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if (_BlackLightMaskIridescence != 4)
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{
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iridescenceMask *= blackLightMask[_BlackLightMaskIridescence];
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}
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#endif
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UNITY_BRANCH
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if (_IridescenceHueShiftEnabled)
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{
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iridescenceColor.rgb = hueShift(iridescenceColor.rgb, _IridescenceHueShift + _Time.x * _IridescenceHueShiftSpeed);
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}
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albedo.rgb = lerp(albedo.rgb, saturate(iridescenceColor.rgb * _IridescenceIntensity), iridescenceColor.a * _IridescenceReplaceBlend * iridescenceMask);
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albedo.rgb += saturate(iridescenceColor.rgb * _IridescenceIntensity * iridescenceColor.a * _IridescenceAddBlend * iridescenceMask);
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albedo.rgb *= saturate(lerp(1, iridescenceColor.rgb * _IridescenceIntensity, iridescenceColor.a * _IridescenceMultiplyBlend * iridescenceMask));
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half emissionStrength = _IridescenceEmissionStrength;
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#ifdef POI_AUDIOLINK
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UNITY_BRANCH
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if (poiMods.audioLinkTextureExists)
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{
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emissionStrength += lerp(_IridescenceAudioLinkEmission.x, _IridescenceAudioLinkEmission.y, poiMods.audioLink[_IridescenceAudioLinkEmissionBand]);
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}
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#endif
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IridescenceEmission = saturate(iridescenceColor.rgb * _IridescenceIntensity) * iridescenceColor.a * iridescenceMask * emissionStrength;
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}
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#endif |