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#ifndef POI_RIM
#define POI_RIM
float4 _RimLightColor;
float _RimLightingInvert;
float _RimWidth;
float _RimStrength;
float _RimSharpness;
float _RimLightColorBias;
float _ShadowMix;
float _ShadowMixThreshold;
float _ShadowMixWidthMod;
float _EnableRimLighting;
float _RimBrighten;
float _RimLightNormal;
float _RimHueShiftEnabled;
float _RimHueShiftSpeed;
float _RimHueShift;
#ifdef POI_AUDIOLINK
half _AudioLinkRimWidthBand;
float2 _AudioLinkRimWidthAdd;
half _AudioLinkRimEmissionBand;
float2 _AudioLinkRimEmissionAdd;
half _AudioLinkRimBrightnessBand;
float2 _AudioLinkRimBrightnessAdd;
#endif
#if defined(PROP_RIMTEX) || !defined(OPTIMIZER_ENABLED)
POI_TEXTURE_NOSAMPLER(_RimTex);
#endif
#if defined(PROP_RIMMASK) || !defined(OPTIMIZER_ENABLED)
POI_TEXTURE_NOSAMPLER(_RimMask);
#endif
#if defined(PROP_RIMWIDTHNOISETEXTURE) || !defined(OPTIMIZER_ENABLED)
POI_TEXTURE_NOSAMPLER(_RimWidthNoiseTexture);
#endif
float _RimWidthNoiseStrength;
float4 rimColor = float4(0, 0, 0, 0);
float rim = 0;
void applyRimLighting(inout float4 albedo, inout float3 rimLightEmission)
{
#if defined(PROP_RIMWIDTHNOISETEXTURE) || !defined(OPTIMIZER_ENABLED)
float rimNoise = POI2D_SAMPLER_PAN(_RimWidthNoiseTexture, _MainTex, poiMesh.uv[float(0)], float4(0,0,0,0));
#else
float rimNoise = 0;
#endif
rimNoise = (rimNoise - .5) * float(0.1);
float viewDotNormal = saturate(abs(dot(poiCam.viewDir, poiMesh.normals[float(1)])));
if (float(0))
{
viewDotNormal = 1 - viewDotNormal;
}
float rimStrength = float(0);
float rimBrighten = float(0);
float rimWidth = lerp( - .05, 1, float(0.055));
#ifdef POI_AUDIOLINK
if (poiMods.audioLinkTextureExists)
{
rimWidth = clamp(rimWidth + lerp(float4(0,0,0,0).x, float4(0,0,0,0).y, poiMods.audioLink[float(0)]), - .05, 1);
rimStrength += lerp(float4(0,0,0,0).x, float4(0,0,0,0).y, poiMods.audioLink[float(0)]);
rimBrighten += lerp(float4(0,0,0,0).x, float4(0,0,0,0).y, poiMods.audioLink[float(0)]);
}
#endif
rimWidth -= rimNoise;
#if defined(PROP_RIMMASK) || !defined(OPTIMIZER_ENABLED)
float rimMask = POI2D_SAMPLER_PAN(_RimMask, _MainTex, poiMesh.uv[float(0)], float4(0,0,0,0));
#else
float rimMask = 1;
#endif
#if defined(PROP_RIMTEX) || !defined(OPTIMIZER_ENABLED)
rimColor = POI2D_SAMPLER_PAN(_RimTex, _MainTex, poiMesh.uv[float(0)], float4(0,0,0,0)) * float4(1,1,1,1);
#else
rimColor = float4(1,1,1,1);
#endif
if (float(0))
{
rimColor.rgb = hueShift(rimColor.rgb, float(0) + _Time.x * float(0));
}
rimWidth = max(lerp(rimWidth, rimWidth * lerp(0, 1, poiLight.lightMap - float(0.5)) * float(0.5), float(0)), 0);
rim = 1 - smoothstep(min(float(0), rimWidth), rimWidth, viewDotNormal);
rim *= float4(1,1,1,1).a * rimColor.a * rimMask;
rimLightEmission = rim * lerp(albedo, rimColor, float(0.02)) * rimStrength;
albedo.rgb = lerp(albedo.rgb, lerp(albedo.rgb, rimColor, float(0.02)) + lerp(albedo.rgb, rimColor, float(0.02)) * rimBrighten, rim);
}
#endif
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