422 lines
10 KiB
HLSL
422 lines
10 KiB
HLSL
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#ifndef POIFRAG
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#define POIFRAG
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float _MainEmissionStrength;
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float _IgnoreFog;
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half _GIEmissionMultiplier;
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float _IridescenceTime;
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float _AlphaToMask;
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float _ForceOpaque;
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float _commentIfZero_EnableGrabpass;
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float _AlphaPremultiply;
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float2 _MainTexPan;
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float _MainTextureUV;
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float _LightingAdditiveEnable;
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// Post Processing
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float _PPLightingMultiplier;
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float _PPEmissionMultiplier;
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float4 frag(v2f i, uint facing: SV_IsFrontFace): SV_Target
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{
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#ifdef FORWARD_ADD_PASS
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#if !defined(POI_LIGHTING)
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return 0;
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#endif
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UNITY_BRANCH
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if (_LightingAdditiveEnable == 0)
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{
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return 0;
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}
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#endif
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UNITY_SETUP_INSTANCE_ID(i);
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// Color
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float4 albedo = 1;
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float4 finalColor = 1;
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// Lighting
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float bakedCubemap = 0; // Whether or not metallic should run before or after lighting multiplication
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float3 finalSpecular0 = 0;
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float3 finalSpecular1 = 0;
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float3 finalSSS = 0;
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fixed lightingAlpha = 1;
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float3 finalEnvironmentalRim = 0;
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// Emissions
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float3 finalEmission = 0;
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float3 finalLighting = 1;
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float3 emissionLighting = 1;
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float3 IridescenceEmission = 0;
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float3 spawnInEmission = 0;
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float3 voronoiEmission = 0;
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float3 matcapEmission = 0;
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float3 depthTouchEmission = 0;
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float3 decalEmission = 0;
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float3 glitterEmission = 0;
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float3 panosphereEmission = 0;
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float3 backFaceEmission = 0;
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float3 dissolveEmission = 0;
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float3 rimLightEmission = 0;
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float3 flipbookEmission = 0;
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float3 textOverlayEmission = 0;
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float3 videoEmission = 0;
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float3 pathEmission = 0;
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/**********************************************************************
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Initialize the base data that's needed everywhere else in the shader
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**********************************************************************/
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calculateAttenuation(i);
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InitializeMeshData(i, facing);
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initializeCamera(i);
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calculateTangentData();
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#ifdef POI_BLACKLIGHT
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createBlackLightMask();
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UNITY_BRANCH
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if (_BlackLightMaskDebug)
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{
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return float4(blackLightMask.rgb, 1);
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}
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#endif
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// This has to happen in the initializbecause it alters UV data globally
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#ifdef POI_PARALLAX
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calculateandApplyParallax();
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#endif
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// Basically every texture relies on the maintex sampler to function and that's why this is here.
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float4 mainTexture = UNITY_SAMPLE_TEX2D(_MainTex, TRANSFORM_TEX(poiMesh.uv[_MainTextureUV], _MainTex) + _Time.x * _MainTexPan);
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half3 detailMask = 1;
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calculateNormals(detailMask);
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//return float4(poiMesh.binormal.xyz, 1);
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calculateVertexLightingData(i);
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/**********************************************************************
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Calculate Light Maps
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**********************************************************************/
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#ifdef POI_DATA
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calculateLightingData(i);
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#endif
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#ifdef POI_LIGHTING
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calculateBasePassLightMaps();
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#endif
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/**********************************************************************
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Calculate Color Data
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**********************************************************************/
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initTextureData(albedo, mainTexture, backFaceEmission, dissolveEmission, detailMask);
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#ifdef POI_PATHING
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applyPathing(albedo, pathEmission);
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#endif
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#ifdef POI_DECAL
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applyDecals(albedo, decalEmission);
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#endif
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#ifdef POI_IRIDESCENCE
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UNITY_BRANCH
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if (_IridescenceTime == 0)
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{
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applyIridescence(albedo, IridescenceEmission);
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}
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#endif
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#ifdef POI_VORONOI
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applyVoronoi(albedo, voronoiEmission);
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#endif
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#ifdef POI_MSDF
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ApplyTextOverlayColor(albedo, textOverlayEmission);
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#endif
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#ifdef POI_ENVIRONMENTAL_RIM
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finalEnvironmentalRim = calculateEnvironmentalRimLighting(albedo);
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#endif
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#if defined(POI_METAL) || defined(POI_CLEARCOAT)
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CalculateReflectionData();
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#endif
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#ifdef POI_DATA
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distanceFade(albedo);
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#endif
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#ifdef POI_RANDOM
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albedo.a *= i.angleAlpha;
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#endif
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#ifdef MATCAP
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applyMatcap(albedo, matcapEmission);
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#endif
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#ifdef PANOSPHERE
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applyPanosphereColor(albedo, panosphereEmission);
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#endif
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#ifdef POI_FLIPBOOK
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applyFlipbook(albedo, flipbookEmission);
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#endif
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#ifdef POI_GLITTER
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applyGlitter(albedo, glitterEmission);
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#endif
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#ifdef POI_RIM
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applyRimLighting(albedo, rimLightEmission);
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#endif
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#ifdef POI_DEPTH_COLOR
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applyDepthColor(albedo, depthTouchEmission, finalEmission, i.worldDirection);
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#endif
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#ifdef POI_IRIDESCENCE
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UNITY_BRANCH
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if (_IridescenceTime == 1)
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{
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applyIridescence(albedo, IridescenceEmission);
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}
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#endif
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#ifdef POI_VIDEO
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applyScreenEffect(albedo, videoEmission);
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#endif
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applySpawnIn(albedo, spawnInEmission, poiMesh.uv[0], poiMesh.localPos);
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/**********************************************************************
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Handle a few alpha options
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**********************************************************************/
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UNITY_BRANCH
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if (_Mode == 1)
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{
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UNITY_BRANCH
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if (_AlphaToMask == 0)
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{
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applyDithering(albedo);
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}
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}
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albedo.a = max(_ForceOpaque, albedo.a);
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UNITY_BRANCH
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if (_Mode == 0)
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{
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albedo.a = 1;
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}
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UNITY_BRANCH
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if (_Mode >= 1)
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{
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clip(albedo.a - _Cutoff);
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}
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UNITY_BRANCH
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if (_AlphaPremultiply)
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{
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albedo.rgb *= saturate(albedo.a + 0.0000000001);
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}
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/**********************************************************************
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Lighting Time :)
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**********************************************************************/
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#ifdef POI_LIGHTING
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finalLighting = calculateFinalLighting(albedo.rgb, finalColor);
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finalLighting = max(finalLighting *= _PPLightingMultiplier, 0);
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if (!_LightingUncapped)
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{
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finalLighting = saturate(finalLighting);
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}
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#ifdef SUBSURFACE
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finalSSS = calculateSubsurfaceScattering();
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//finalSSS = calculateSubsurfaceScattering(albedo);
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#endif
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#endif
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float4 finalColorBeforeLighting = albedo;
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finalColor = finalColorBeforeLighting;
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#ifdef POI_SPECULAR
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finalSpecular0 = calculateSpecular(finalColorBeforeLighting);
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#endif
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#ifdef POI_PARALLAX
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calculateAndApplyInternalParallax(finalColor);
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#endif
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#ifdef POI_ALPHA_TO_COVERAGE
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ApplyAlphaToCoverage(finalColor);
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#endif
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UNITY_BRANCH
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if (_Mode == 1)
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{
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UNITY_BRANCH
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if (_AlphaToMask == 1)
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{
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applyDithering(finalColor);
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}
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}
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#ifdef POI_METAL
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calculateMetallicness();
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bool probeExists = shouldMetalHappenBeforeLighting();
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UNITY_BRANCH
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if (!probeExists)
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{
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ApplyMetallicsFake(finalColor, albedo);
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}
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#endif
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#ifdef POI_LIGHTING
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emissionLighting = finalLighting;
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#if defined(FORWARD_ADD_PASS) && defined(POI_METAL)
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finalLighting *= 1 - metalicMap;
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#endif
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applyLighting(finalColor, finalLighting);
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#endif
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#ifdef POI_BRDF
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poiBRDF(finalColor, finalColorBeforeLighting);
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#endif
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#ifdef POI_METAL
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UNITY_BRANCH
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if (probeExists)
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{
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ApplyMetallics(finalColor, albedo);
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}
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#endif
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finalColor.rgb += finalSpecular0 + finalEnvironmentalRim + finalSSS;
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#ifdef FORWARD_BASE_PASS
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#ifdef POI_CLEARCOAT
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calculateAndApplyClearCoat(finalColor);
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#endif
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#endif
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finalColor.a = saturate(finalColor.a);
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/**********************************************************************
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Add Up all the emission values :D
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**********************************************************************/
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//#if defined(FORWARD_BASE_PASS) || defined(POI_META_PASS)
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finalEmission += finalColorBeforeLighting.rgb * _MainEmissionStrength * albedo.a;
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finalEmission += wireframeEmission;
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finalEmission += IridescenceEmission;
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finalEmission += spawnInEmission;
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finalEmission += voronoiEmission;
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finalEmission += matcapEmission;
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finalEmission += depthTouchEmission;
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finalEmission += decalEmission;
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finalEmission += glitterEmission;
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finalEmission += panosphereEmission;
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finalEmission += backFaceEmission;
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finalEmission += rimLightEmission;
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finalEmission += flipbookEmission;
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finalEmission += videoEmission;
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finalEmission += textOverlayEmission;
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finalEmission += dissolveEmission;
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finalEmission += pathEmission;
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#ifdef POI_EMISSION
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finalEmission += calculateEmissionNew(finalColorBeforeLighting.rgb, finalColor);
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#endif
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finalEmission = max(finalEmission * _PPEmissionMultiplier, 0);
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//#endif
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// Compensate for HDR lights
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#if defined(FORWARD_ADD_PASS)
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finalEmission *= emissionLighting; // TODO: add in vertex lights
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#else
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finalEmission *= max(1, emissionLighting);
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#endif
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/**********************************************************************
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Meta Pass Hype :D
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**********************************************************************/
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#ifdef POI_META_PASS
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UnityMetaInput meta;
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UNITY_INITIALIZE_OUTPUT(UnityMetaInput, meta);
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meta.Emission = finalEmission * _GIEmissionMultiplier;
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meta.Albedo = saturate(finalColor.rgb);
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#ifdef POI_SPECULAR
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meta.SpecularColor = poiLight.color.rgb * _SpecularTint.rgb * lerp(1, albedo.rgb, _SpecularMetallic) * _SpecularTint.a;
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#else
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meta.SpecularColor = poiLight.color.rgb * albedo.rgb;
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#endif
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return UnityMetaFragment(meta);
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#endif
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/**********************************************************************
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Apply Emission to finalColor
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**********************************************************************/
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finalColor.rgb += finalEmission;
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/**********************************************************************
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Grabpass features
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**********************************************************************/
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UNITY_BRANCH
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if (_commentIfZero_EnableGrabpass)
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{
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applyGrabEffects(finalColor);
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}
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/**********************************************************************
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Unity Fog
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**********************************************************************/
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#ifdef FORWARD_BASE_PASS
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UNITY_BRANCH
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if (_IgnoreFog == 0)
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{
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UNITY_APPLY_FOG(i.fogCoord, finalColor);
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}
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#endif
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#ifdef FORWARD_ADD_PASS
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if (_Mode > 0)
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{
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finalColor.rgb *= finalColor.a;
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}
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#endif
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UNITY_BRANCH
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if (_Mode == 0)
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{
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finalColor.a = 1;
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}
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#ifdef FORWARD_ADD_PASS
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//finalColor.rgb = smoothstep(_LightingAdditiveGradientStart, _LightingAdditiveGradientEnd, 1 - (.5 * poiLight.nDotL + .5));
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#endif
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#ifdef POI_DEBUG
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displayDebugInfo(finalColor);
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#endif
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#ifdef POI_AUDIOLINK
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UNITY_BRANCH
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if (_AudioLinkTextureVisualization)
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{
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finalColor = poiMods.audioLinkTexture;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef FORWARD_ADD_PASS
|
||
|
|
#if defined(_SMOOTHNESS_TEXTURE_ALBEDO_CHANNEL_A) && defined(DIRECTIONAL)
|
||
|
|
return finalColor + albedo * 0.00001;;
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
//finalColor.rgb = frac(finalColor.rgb);
|
||
|
|
return finalColor + mainTexture * 0.00001;
|
||
|
|
}
|
||
|
|
#endif
|