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FreewayGamesTest/Assets/Synaptic AI Pro/Shaders/Toon/SynapticToonPro.shader
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Shader "Synaptic/ToonPro"
{
Properties
{
[Header(Base)]
_MainTex ("Albedo", 2D) = "white" {}
_BaseColor ("Base Color", Color) = (1, 1, 1, 1)
[Header(Shadow)]
_ShadowColor ("Shadow Color", Color) = (0.6, 0.5, 0.6, 1)
_ShadowThreshold ("Shadow Threshold", Range(0, 1)) = 0.5
_ShadowSmoothness ("Shadow Smoothness", Range(0, 0.5)) = 0.1
_ShadowRampTex ("Shadow Ramp", 2D) = "white" {}
[Toggle(_USE_RAMP)] _UseRamp ("Use Ramp Texture", Float) = 0
[Header(Dual Color SSS)]
[Toggle(_DUAL_SSS_ON)] _DualSSSEnabled ("Enable Dual SSS", Float) = 0
_SSSLightColor ("SSS Light Side Color", Color) = (1, 0.9, 0.7, 1)
_SSSShadowColor ("SSS Shadow Side Color", Color) = (0.8, 0.4, 0.4, 1)
_SSSStrength ("SSS Strength", Range(0, 2)) = 0.5
_SSSDistortion ("SSS Distortion", Range(0, 1)) = 0.5
_SSSPower ("SSS Power", Range(1, 10)) = 3
[Header(Face Shadow)]
[Toggle(_FACE_SHADOW_ON)] _FaceShadowEnabled ("Enable Face Shadow", Float) = 0
_FaceShadowMap ("Face Shadow Map (SDF)", 2D) = "white" {}
_FaceShadowOffset ("Face Shadow Offset", Range(-1, 1)) = 0
_FaceShadowSmoothness ("Face Shadow Smoothness", Range(0, 0.5)) = 0.1
_FaceForward ("Face Forward Direction", Vector) = (0, 0, 1, 0)
_FaceRight ("Face Right Direction", Vector) = (1, 0, 0, 0)
[Header(Specular)]
[Toggle(_SPECULAR_ON)] _SpecularEnabled ("Enable Specular", Float) = 1
_SpecularColor ("Specular Color", Color) = (1, 1, 1, 1)
_SpecularSmoothness ("Specular Smoothness", Range(0, 1)) = 0.8
_SpecularIntensity ("Specular Intensity", Range(0, 5)) = 1
_SpecularSize ("Specular Size", Range(0.01, 1)) = 0.3
[Toggle(_ANISO_SPECULAR)] _AnisoSpecular ("Anisotropic Specular", Float) = 0
_AnisoShift ("Aniso Shift", Range(-1, 1)) = 0
[Header(Rim Light)]
[Toggle(_RIM_ON)] _RimEnabled ("Enable Rim", Float) = 1
_RimColor ("Rim Color", Color) = (1, 1, 1, 1)
_RimPower ("Rim Power", Range(0.5, 10)) = 3
_RimIntensity ("Rim Intensity", Range(0, 3)) = 1
[KeywordEnum(Standard, Fresnel, Depth, Directional, View)] _RimType ("Rim Type", Float) = 0
_RimThreshold ("Rim Light Threshold", Range(0, 1)) = 0.5
_RimDepthFade ("Rim Depth Fade", Range(0, 10)) = 1
_RimLightDirection ("Rim Light Direction", Vector) = (0, 1, 0, 0)
[Header(Outline)]
[Toggle(_OUTLINE_ON)] _OutlineEnabled ("Enable Outline", Float) = 1
_OutlineColor ("Outline Color", Color) = (0.2, 0.2, 0.2, 1)
_OutlineWidth ("Outline Width", Range(0, 10)) = 1
_OutlineZOffset ("Outline Z Offset", Range(0, 1)) = 0.0001
[Toggle(_OUTLINE_COLORED)] _OutlineColored ("Colored Outline", Float) = 0
_OutlineColorMix ("Outline Color Mix", Range(0, 1)) = 0.5
[Toggle(_OUTLINE_DISTANCE_FADE)] _OutlineDistanceFade ("Distance Fade", Float) = 1
_OutlineFadeStart ("Fade Start Distance", Float) = 5
_OutlineFadeEnd ("Fade End Distance", Float) = 20
[Header(Emission)]
[Toggle(_EMISSION_ON)] _EmissionEnabled ("Enable Emission", Float) = 0
_EmissionMap ("Emission Map", 2D) = "black" {}
_EmissionColor ("Emission Color", Color) = (1, 1, 1, 1)
_EmissionIntensity ("Emission Intensity", Range(0, 10)) = 1
[Toggle(_EMISSION_PULSE)] _EmissionPulse ("Pulse Emission", Float) = 0
_EmissionPulseSpeed ("Pulse Speed", Float) = 2
[Header(Normal Map)]
[Toggle(_NORMAL_MAP_ON)] _NormalMapEnabled ("Enable Normal Map", Float) = 0
_BumpMap ("Normal Map", 2D) = "bump" {}
_BumpScale ("Normal Scale", Float) = 1
[Header(Matcap)]
[Toggle(_MATCAP_ON)] _MatcapEnabled ("Enable Matcap", Float) = 0
_MatcapTex ("Matcap Texture", 2D) = "white" {}
_MatcapIntensity ("Matcap Intensity", Range(0, 2)) = 1
_MatcapBlendMode ("Blend Mode (0=Add, 1=Multiply)", Range(0, 1)) = 0
[Header(Detail)]
_DetailMask ("Detail Mask (R)", 2D) = "white" {}
_DetailAlbedo ("Detail Albedo", 2D) = "grey" {}
_DetailNormal ("Detail Normal", 2D) = "bump" {}
_DetailScale ("Detail Scale", Float) = 1
_DetailStrength ("Detail Strength", Range(0, 1)) = 0.5
[Header(Rendering)]
[Enum(UnityEngine.Rendering.CullMode)] _Cull ("Cull Mode", Float) = 2
[Enum(UnityEngine.Rendering.BlendMode)] _SrcBlend ("Src Blend", Float) = 1
[Enum(UnityEngine.Rendering.BlendMode)] _DstBlend ("Dst Blend", Float) = 0
[Toggle] _ZWrite ("Z Write", Float) = 1
_Cutoff ("Alpha Cutoff", Range(0, 1)) = 0.5
}
SubShader
{
PackageRequirements { "com.unity.render-pipelines.universal" }
Tags
{
"RenderType" = "Opaque"
"Queue" = "Geometry"
"RenderPipeline" = "UniversalPipeline"
}
// Main pass
Pass
{
Name "ToonForward"
Tags { "LightMode" = "UniversalForward" }
Cull [_Cull]
Blend [_SrcBlend] [_DstBlend]
ZWrite [_ZWrite]
HLSLPROGRAM
#pragma target 3.0
#pragma vertex vert
#pragma fragment frag
#pragma multi_compile _ _MAIN_LIGHT_SHADOWS _MAIN_LIGHT_SHADOWS_CASCADE
#pragma multi_compile_fragment _ _SHADOWS_SOFT
#pragma multi_compile _ _ADDITIONAL_LIGHTS
#pragma multi_compile_fog
#pragma shader_feature_local _USE_RAMP
#pragma shader_feature_local _FACE_SHADOW_ON
#pragma shader_feature_local _DUAL_SSS_ON
#pragma shader_feature_local _SPECULAR_ON
#pragma shader_feature_local _ANISO_SPECULAR
#pragma shader_feature_local _RIM_ON
#pragma shader_feature_local _RIMTYPE_STANDARD _RIMTYPE_FRESNEL _RIMTYPE_DEPTH _RIMTYPE_DIRECTIONAL _RIMTYPE_VIEW
#pragma shader_feature_local _EMISSION_ON
#pragma shader_feature_local _EMISSION_PULSE
#pragma shader_feature_local _NORMAL_MAP_ON
#pragma shader_feature_local _MATCAP_ON
#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Lighting.hlsl"
TEXTURE2D(_MainTex);
TEXTURE2D(_ShadowRampTex);
TEXTURE2D(_FaceShadowMap);
TEXTURE2D(_BumpMap);
TEXTURE2D(_EmissionMap);
TEXTURE2D(_MatcapTex);
TEXTURE2D(_DetailMask);
TEXTURE2D(_DetailAlbedo);
TEXTURE2D(_DetailNormal);
SAMPLER(sampler_MainTex);
SAMPLER(sampler_ShadowRampTex);
SAMPLER(sampler_FaceShadowMap);
SAMPLER(sampler_BumpMap);
SAMPLER(sampler_EmissionMap);
SAMPLER(sampler_MatcapTex);
SAMPLER(sampler_DetailMask);
SAMPLER(sampler_DetailAlbedo);
SAMPLER(sampler_DetailNormal);
CBUFFER_START(UnityPerMaterial)
float4 _MainTex_ST;
float4 _BaseColor;
float4 _ShadowColor;
float _ShadowThreshold;
float _ShadowSmoothness;
float4 _FaceShadowMap_ST;
float _FaceShadowOffset;
float _FaceShadowSmoothness;
float4 _FaceForward;
float4 _FaceRight;
float4 _SSSLightColor;
float4 _SSSShadowColor;
float _SSSStrength;
float _SSSDistortion;
float _SSSPower;
float4 _SpecularColor;
float _SpecularSmoothness;
float _SpecularIntensity;
float _SpecularSize;
float _AnisoShift;
float4 _RimColor;
float _RimPower;
float _RimIntensity;
float _RimThreshold;
float _RimDepthFade;
float4 _RimLightDirection;
float4 _EmissionMap_ST;
float4 _EmissionColor;
float _EmissionIntensity;
float _EmissionPulseSpeed;
float4 _BumpMap_ST;
float _BumpScale;
float _MatcapIntensity;
float _MatcapBlendMode;
float _DetailScale;
float _DetailStrength;
float _Cutoff;
CBUFFER_END
struct Attributes
{
float4 positionOS : POSITION;
float3 normalOS : NORMAL;
float4 tangentOS : TANGENT;
float2 uv : TEXCOORD0;
float4 color : COLOR;
};
struct Varyings
{
float4 positionCS : SV_POSITION;
float2 uv : TEXCOORD0;
float3 worldPos : TEXCOORD1;
float3 worldNormal : TEXCOORD2;
float3 worldTangent : TEXCOORD3;
float3 worldBitangent : TEXCOORD4;
float3 viewDir : TEXCOORD5;
float4 shadowCoord : TEXCOORD6;
float fogFactor : TEXCOORD7;
float4 vertexColor : TEXCOORD8;
};
Varyings vert(Attributes IN)
{
Varyings OUT;
OUT.worldPos = TransformObjectToWorld(IN.positionOS.xyz);
OUT.positionCS = TransformWorldToHClip(OUT.worldPos);
OUT.uv = TRANSFORM_TEX(IN.uv, _MainTex);
OUT.worldNormal = TransformObjectToWorldNormal(IN.normalOS);
OUT.worldTangent = TransformObjectToWorldDir(IN.tangentOS.xyz);
OUT.worldBitangent = cross(OUT.worldNormal, OUT.worldTangent) * IN.tangentOS.w;
OUT.viewDir = GetWorldSpaceViewDir(OUT.worldPos);
OUT.shadowCoord = TransformWorldToShadowCoord(OUT.worldPos);
OUT.fogFactor = ComputeFogFactor(OUT.positionCS.z);
OUT.vertexColor = IN.color;
return OUT;
}
// Genshin-style face shadow using SDF
float GetFaceShadow(float2 uv, float3 lightDir, float3 faceForward, float3 faceRight)
{
#if defined(_FACE_SHADOW_ON)
// Project light onto face plane
float2 lightDirXZ = normalize(float2(dot(lightDir, faceRight), dot(lightDir, faceForward)));
// Flip UV for left side
float2 sdfUV = uv;
if (lightDirXZ.x < 0)
{
sdfUV.x = 1 - sdfUV.x;
lightDirXZ.x = -lightDirXZ.x;
}
// Sample SDF
float sdf = SAMPLE_TEXTURE2D(_FaceShadowMap, sampler_FaceShadowMap, sdfUV).r;
// Calculate threshold based on light angle
float threshold = 1 - (lightDirXZ.y * 0.5 + 0.5) + _FaceShadowOffset;
return smoothstep(threshold - _FaceShadowSmoothness, threshold + _FaceShadowSmoothness, sdf);
#else
return 1;
#endif
}
// Stylized specular
float StylizedSpecular(float3 normal, float3 lightDir, float3 viewDir, float3 tangent, float smoothness, float size)
{
float3 halfDir = normalize(lightDir + viewDir);
float NdotH = saturate(dot(normal, halfDir));
#if defined(_ANISO_SPECULAR)
// Anisotropic specular
float3 binormal = cross(normal, tangent);
float TdotH = dot(tangent, halfDir);
float BdotH = dot(binormal, halfDir);
float aniso = sqrt(1 - TdotH * TdotH) * sqrt(1 - BdotH * BdotH);
NdotH = lerp(NdotH, aniso, 0.5);
#endif
float specPower = exp2(smoothness * 10 + 1);
float spec = pow(NdotH, specPower);
// Stylized hard edge
return smoothstep(size - 0.01, size + 0.01, spec);
}
// Dual Color SSS (Genshin Style)
float3 DualColorSSS(float3 normal, float3 viewDir, float3 lightDir, float shadowFactor,
float3 lightSSSColor, float3 shadowSSSColor, float strength, float distortion, float power)
{
#if defined(_DUAL_SSS_ON)
float3 sssH = normalize(lightDir + normal * distortion);
float VdotH = pow(saturate(dot(viewDir, -sssH)), power);
// Interpolate between light SSS and shadow SSS based on shadow factor
float3 sssColor = lerp(shadowSSSColor, lightSSSColor, shadowFactor);
return sssColor * VdotH * strength;
#else
return float3(0, 0, 0);
#endif
}
// Advanced Rim Light with 5 types
float3 RimLight(float3 normal, float3 viewDir, float3 lightDir, float3 rimColor, float power, float intensity,
float threshold, float depthFade, float3 customLightDir, float depth)
{
float rim = 0;
#if defined(_RIMTYPE_FRESNEL)
// Fresnel rim - stronger at grazing angles
float fresnel = pow(1 - saturate(dot(viewDir, normal)), power);
rim = fresnel;
#elif defined(_RIMTYPE_DEPTH)
// Depth-based rim - fades with depth
float baseRim = 1 - saturate(dot(viewDir, normal));
float depthFactor = saturate(depth * depthFade);
rim = pow(baseRim, power) * (1 - depthFactor);
#elif defined(_RIMTYPE_DIRECTIONAL)
// Directional rim - follows custom light direction
float baseRim = 1 - saturate(dot(viewDir, normal));
float NdotL = dot(normal, normalize(customLightDir)) * 0.5 + 0.5;
rim = pow(baseRim, power) * smoothstep(threshold - 0.1, threshold + 0.1, NdotL);
#elif defined(_RIMTYPE_VIEW)
// View-dependent rim - based on view angle to light
float baseRim = 1 - saturate(dot(viewDir, normal));
float VdotL = dot(viewDir, lightDir) * 0.5 + 0.5;
rim = pow(baseRim, power) * (1 - VdotL);
#else // _RIMTYPE_STANDARD
// Standard rim
rim = pow(1 - saturate(dot(viewDir, normal)), power);
#endif
return rimColor * rim * intensity;
}
float4 frag(Varyings IN) : SV_Target
{
// Sample textures
float4 albedo = SAMPLE_TEXTURE2D(_MainTex, sampler_MainTex, IN.uv) * _BaseColor;
clip(albedo.a - _Cutoff);
float3 normal = normalize(IN.worldNormal);
float3 viewDir = normalize(IN.viewDir);
// Normal map
#if defined(_NORMAL_MAP_ON)
float3 normalTS = UnpackNormalScale(SAMPLE_TEXTURE2D(_BumpMap, sampler_BumpMap, IN.uv * _BumpMap_ST.xy), _BumpScale);
float3x3 TBN = float3x3(IN.worldTangent, IN.worldBitangent, IN.worldNormal);
normal = normalize(mul(normalTS, TBN));
#endif
// Lighting
Light mainLight = GetMainLight(IN.shadowCoord);
float3 lightDir = mainLight.direction;
float3 lightColor = mainLight.color;
float shadow = mainLight.shadowAttenuation;
// Basic NdotL
float NdotL = dot(normal, lightDir);
float halfLambert = NdotL * 0.5 + 0.5;
// Shadow calculation
float shadowFactor;
#if defined(_USE_RAMP)
shadowFactor = SAMPLE_TEXTURE2D(_ShadowRampTex, sampler_ShadowRampTex, float2(halfLambert * shadow, 0.5)).r;
#else
shadowFactor = smoothstep(_ShadowThreshold - _ShadowSmoothness, _ShadowThreshold + _ShadowSmoothness, halfLambert * shadow);
#endif
// Face shadow override
float faceShadow = GetFaceShadow(IN.uv, lightDir, _FaceForward.xyz, _FaceRight.xyz);
shadowFactor = min(shadowFactor, faceShadow);
// Apply shadow color
float3 diffuse = lerp(albedo.rgb * _ShadowColor.rgb, albedo.rgb, shadowFactor);
diffuse *= lightColor;
// Specular
float3 specular = float3(0, 0, 0);
#if defined(_SPECULAR_ON)
float spec = StylizedSpecular(normal, lightDir, viewDir, IN.worldTangent, _SpecularSmoothness, 1 - _SpecularSize);
specular = _SpecularColor.rgb * spec * _SpecularIntensity * shadowFactor;
#endif
// Dual Color SSS
float3 sss = DualColorSSS(normal, viewDir, lightDir, shadowFactor,
_SSSLightColor.rgb, _SSSShadowColor.rgb,
_SSSStrength, _SSSDistortion, _SSSPower);
// Rim light
float3 rim = float3(0, 0, 0);
#if defined(_RIM_ON)
float depth = IN.positionCS.w * 0.01; // Approximate depth
rim = RimLight(normal, viewDir, lightDir, _RimColor.rgb, _RimPower, _RimIntensity,
_RimThreshold, _RimDepthFade, _RimLightDirection.xyz, depth);
#endif
// Matcap
float3 matcap = float3(0, 0, 0);
#if defined(_MATCAP_ON)
float3 viewNormal = mul((float3x3)UNITY_MATRIX_V, normal);
float2 matcapUV = viewNormal.xy * 0.5 + 0.5;
matcap = SAMPLE_TEXTURE2D(_MatcapTex, sampler_MatcapTex, matcapUV).rgb * _MatcapIntensity;
#endif
// Emission
float3 emission = float3(0, 0, 0);
#if defined(_EMISSION_ON)
emission = SAMPLE_TEXTURE2D(_EmissionMap, sampler_EmissionMap, IN.uv).rgb * _EmissionColor.rgb * _EmissionIntensity;
#if defined(_EMISSION_PULSE)
emission *= (sin(_Time.y * _EmissionPulseSpeed) * 0.5 + 0.5) + 0.5;
#endif
#endif
// Additional lights
float3 additionalLights = float3(0, 0, 0);
#if defined(_ADDITIONAL_LIGHTS)
uint pixelLightCount = GetAdditionalLightsCount();
for (uint i = 0; i < pixelLightCount; i++)
{
Light light = GetAdditionalLight(i, IN.worldPos);
float addNdotL = saturate(dot(normal, light.direction));
float addShadow = smoothstep(_ShadowThreshold - _ShadowSmoothness, _ShadowThreshold + _ShadowSmoothness, addNdotL * 0.5 + 0.5);
additionalLights += albedo.rgb * light.color * light.distanceAttenuation * addShadow * 0.5;
}
#endif
// Combine
float3 finalColor = diffuse + specular + sss + rim + additionalLights + emission;
// Matcap blend
#if defined(_MATCAP_ON)
finalColor = lerp(finalColor + matcap, finalColor * matcap, _MatcapBlendMode);
#endif
// Fog
finalColor = MixFog(finalColor, IN.fogFactor);
return float4(finalColor, albedo.a);
}
ENDHLSL
}
// Outline pass
Pass
{
Name "Outline"
Tags { "LightMode" = "SRPDefaultUnlit" }
Cull Front
ZWrite On
HLSLPROGRAM
#pragma vertex OutlineVert
#pragma fragment OutlineFrag
#pragma shader_feature_local _OUTLINE_ON
#pragma shader_feature_local _OUTLINE_COLORED
#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
TEXTURE2D(_MainTex);
SAMPLER(sampler_MainTex);
CBUFFER_START(UnityPerMaterial)
float4 _MainTex_ST;
float4 _BaseColor;
float4 _OutlineColor;
float _OutlineWidth;
float _OutlineZOffset;
float _OutlineColorMix;
CBUFFER_END
struct Attributes
{
float4 positionOS : POSITION;
float3 normalOS : NORMAL;
float4 tangentOS : TANGENT;
float2 uv : TEXCOORD0;
float4 color : COLOR;
};
struct Varyings
{
float4 positionCS : SV_POSITION;
float2 uv : TEXCOORD0;
};
Varyings OutlineVert(Attributes IN)
{
Varyings OUT;
#if defined(_OUTLINE_ON)
// Use vertex color alpha for outline width variation
float outlineWidth = _OutlineWidth * 0.001 * IN.color.a;
// Smooth normal from tangent for better outline
float3 smoothNormal = IN.tangentOS.xyz;
if (length(smoothNormal) < 0.01)
{
smoothNormal = IN.normalOS;
}
float3 posOS = IN.positionOS.xyz + smoothNormal * outlineWidth;
float4 posCS = TransformObjectToHClip(posOS);
// Z offset to prevent z-fighting
posCS.z += _OutlineZOffset * posCS.w;
OUT.positionCS = posCS;
#else
OUT.positionCS = TransformObjectToHClip(IN.positionOS.xyz);
#endif
OUT.uv = TRANSFORM_TEX(IN.uv, _MainTex);
return OUT;
}
float4 OutlineFrag(Varyings IN) : SV_Target
{
#if defined(_OUTLINE_ON)
float4 outlineColor = _OutlineColor;
#if defined(_OUTLINE_COLORED)
float4 albedo = SAMPLE_TEXTURE2D(_MainTex, sampler_MainTex, IN.uv) * _BaseColor;
outlineColor = lerp(_OutlineColor, albedo * _OutlineColor, _OutlineColorMix);
#endif
return outlineColor;
#else
discard;
return 0;
#endif
}
ENDHLSL
}
// Shadow caster pass
Pass
{
Name "ShadowCaster"
Tags { "LightMode" = "ShadowCaster" }
ZWrite On
ZTest LEqual
ColorMask 0
Cull Back
HLSLPROGRAM
#pragma vertex ShadowVert
#pragma fragment ShadowFrag
#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
TEXTURE2D(_MainTex);
SAMPLER(sampler_MainTex);
CBUFFER_START(UnityPerMaterial)
float4 _MainTex_ST;
float4 _BaseColor;
float _Cutoff;
CBUFFER_END
struct Attributes
{
float4 positionOS : POSITION;
float3 normalOS : NORMAL;
float2 uv : TEXCOORD0;
};
struct Varyings
{
float4 positionCS : SV_POSITION;
float2 uv : TEXCOORD0;
};
float3 _LightDirection;
// ApplyShadowBias inline (URP 14+ compatible)
float3 ApplyShadowBiasCustom(float3 positionWS, float3 normalWS, float3 lightDirection)
{
float invNdotL = 1.0 - saturate(dot(lightDirection, normalWS));
float scale = invNdotL * 0.001;
positionWS = lightDirection * 0.001 + positionWS;
positionWS = normalWS * scale.xxx + positionWS;
return positionWS;
}
Varyings ShadowVert(Attributes IN)
{
Varyings OUT;
float3 worldPos = TransformObjectToWorld(IN.positionOS.xyz);
float3 worldNormal = TransformObjectToWorldNormal(IN.normalOS);
worldPos = ApplyShadowBiasCustom(worldPos, worldNormal, _LightDirection);
float4 posCS = TransformWorldToHClip(worldPos);
#if UNITY_REVERSED_Z
posCS.z = min(posCS.z, UNITY_NEAR_CLIP_VALUE);
#else
posCS.z = max(posCS.z, UNITY_NEAR_CLIP_VALUE);
#endif
OUT.positionCS = posCS;
OUT.uv = TRANSFORM_TEX(IN.uv, _MainTex);
return OUT;
}
float4 ShadowFrag(Varyings IN) : SV_Target
{
float alpha = SAMPLE_TEXTURE2D(_MainTex, sampler_MainTex, IN.uv).a * _BaseColor.a;
clip(alpha - _Cutoff);
return 0;
}
ENDHLSL
}
// Depth pass
Pass
{
Name "DepthOnly"
Tags { "LightMode" = "DepthOnly" }
ZWrite On
ColorMask 0
Cull [_Cull]
HLSLPROGRAM
#pragma vertex DepthVert
#pragma fragment DepthFrag
#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
TEXTURE2D(_MainTex);
SAMPLER(sampler_MainTex);
CBUFFER_START(UnityPerMaterial)
float4 _MainTex_ST;
float4 _BaseColor;
float _Cutoff;
CBUFFER_END
struct Attributes
{
float4 positionOS : POSITION;
float2 uv : TEXCOORD0;
};
struct Varyings
{
float4 positionCS : SV_POSITION;
float2 uv : TEXCOORD0;
};
Varyings DepthVert(Attributes IN)
{
Varyings OUT;
OUT.positionCS = TransformObjectToHClip(IN.positionOS.xyz);
OUT.uv = TRANSFORM_TEX(IN.uv, _MainTex);
return OUT;
}
float4 DepthFrag(Varyings IN) : SV_Target
{
float alpha = SAMPLE_TEXTURE2D(_MainTex, sampler_MainTex, IN.uv).a * _BaseColor.a;
clip(alpha - _Cutoff);
return 0;
}
ENDHLSL
}
}
// ==================== Built-in Pipeline SubShader ====================
SubShader
{
Tags
{
"RenderType" = "Opaque"
"Queue" = "Geometry"
}
// Main pass
Pass
{
Name "ToonForwardBuiltIn"
Tags { "LightMode" = "ForwardBase" }
Cull [_Cull]
Blend [_SrcBlend] [_DstBlend]
ZWrite [_ZWrite]
CGPROGRAM
#pragma target 3.0
#pragma vertex vert
#pragma fragment frag
#pragma multi_compile_fwdbase
#pragma multi_compile_fog
#pragma shader_feature_local _USE_RAMP
#pragma shader_feature_local _FACE_SHADOW_ON
#pragma shader_feature_local _SPECULAR_ON
#pragma shader_feature_local _RIM_ON
#pragma shader_feature_local _EMISSION_ON
#pragma shader_feature_local _NORMAL_MAP_ON
#include "UnityCG.cginc"
#include "Lighting.cginc"
#include "AutoLight.cginc"
sampler2D _MainTex;
sampler2D _ShadowRampTex;
sampler2D _FaceShadowMap;
sampler2D _BumpMap;
sampler2D _EmissionMap;
float4 _MainTex_ST;
float4 _BaseColor;
float4 _ShadowColor;
float _ShadowThreshold;
float _ShadowSmoothness;
float _FaceShadowOffset;
float _FaceShadowSmoothness;
float4 _FaceForward;
float4 _FaceRight;
float4 _SpecularColor;
float _SpecularSmoothness;
float _SpecularIntensity;
float _SpecularSize;
float4 _RimColor;
float _RimPower;
float _RimIntensity;
float _RimThreshold;
float4 _EmissionColor;
float _EmissionIntensity;
float4 _BumpMap_ST;
float _BumpScale;
float _Cutoff;
struct appdata
{
float4 vertex : POSITION;
float3 normal : NORMAL;
float4 tangent : TANGENT;
float2 uv : TEXCOORD0;
};
struct v2f
{
float4 pos : SV_POSITION;
float2 uv : TEXCOORD0;
float3 worldPos : TEXCOORD1;
float3 worldNormal : TEXCOORD2;
float3 worldTangent : TEXCOORD3;
float3 worldBitangent : TEXCOORD4;
float3 viewDir : TEXCOORD5;
SHADOW_COORDS(6)
UNITY_FOG_COORDS(7)
};
v2f vert(appdata v)
{
v2f o;
o.pos = UnityObjectToClipPos(v.vertex);
o.uv = TRANSFORM_TEX(v.uv, _MainTex);
o.worldPos = mul(unity_ObjectToWorld, v.vertex).xyz;
o.worldNormal = UnityObjectToWorldNormal(v.normal);
o.worldTangent = UnityObjectToWorldDir(v.tangent.xyz);
o.worldBitangent = cross(o.worldNormal, o.worldTangent) * v.tangent.w;
o.viewDir = normalize(_WorldSpaceCameraPos - o.worldPos);
TRANSFER_SHADOW(o)
UNITY_TRANSFER_FOG(o, o.pos);
return o;
}
float GetFaceShadow(float2 uv, float3 lightDir, float3 faceForward, float3 faceRight)
{
#if defined(_FACE_SHADOW_ON)
float2 lightDirXZ = normalize(float2(dot(lightDir, faceRight), dot(lightDir, faceForward)));
float2 sdfUV = uv;
if (lightDirXZ.x < 0) { sdfUV.x = 1 - sdfUV.x; lightDirXZ.x = -lightDirXZ.x; }
float sdf = tex2D(_FaceShadowMap, sdfUV).r;
float threshold = 1 - (lightDirXZ.y * 0.5 + 0.5) + _FaceShadowOffset;
return smoothstep(threshold - _FaceShadowSmoothness, threshold + _FaceShadowSmoothness, sdf);
#else
return 1;
#endif
}
float4 frag(v2f i) : SV_Target
{
float4 albedo = tex2D(_MainTex, i.uv) * _BaseColor;
clip(albedo.a - _Cutoff);
float3 normal = normalize(i.worldNormal);
float3 viewDir = normalize(i.viewDir);
#if defined(_NORMAL_MAP_ON)
float3 normalTS = UnpackScaleNormal(tex2D(_BumpMap, i.uv * _BumpMap_ST.xy), _BumpScale);
float3x3 TBN = float3x3(i.worldTangent, i.worldBitangent, i.worldNormal);
normal = normalize(mul(normalTS, TBN));
#endif
float3 lightDir = normalize(_WorldSpaceLightPos0.xyz);
float3 lightColor = _LightColor0.rgb;
float shadow = SHADOW_ATTENUATION(i);
float NdotL = dot(normal, lightDir);
float halfLambert = NdotL * 0.5 + 0.5;
float shadowFactor;
#if defined(_USE_RAMP)
shadowFactor = tex2D(_ShadowRampTex, float2(halfLambert * shadow, 0.5)).r;
#else
shadowFactor = smoothstep(_ShadowThreshold - _ShadowSmoothness, _ShadowThreshold + _ShadowSmoothness, halfLambert * shadow);
#endif
float faceShadow = GetFaceShadow(i.uv, lightDir, _FaceForward.xyz, _FaceRight.xyz);
shadowFactor = min(shadowFactor, faceShadow);
float3 diffuse = lerp(albedo.rgb * _ShadowColor.rgb, albedo.rgb, shadowFactor) * lightColor;
float3 specular = float3(0, 0, 0);
#if defined(_SPECULAR_ON)
float3 halfDir = normalize(lightDir + viewDir);
float NdotH = saturate(dot(normal, halfDir));
float spec = pow(NdotH, exp2(_SpecularSmoothness * 10 + 1));
spec = smoothstep(1 - _SpecularSize - 0.01, 1 - _SpecularSize + 0.01, spec);
specular = _SpecularColor.rgb * spec * _SpecularIntensity * shadowFactor;
#endif
float3 rim = float3(0, 0, 0);
#if defined(_RIM_ON)
float rimFactor = 1 - saturate(dot(viewDir, normal));
rimFactor = pow(rimFactor, _RimPower);
rim = _RimColor.rgb * rimFactor * _RimIntensity;
#endif
float3 emission = float3(0, 0, 0);
#if defined(_EMISSION_ON)
emission = tex2D(_EmissionMap, i.uv).rgb * _EmissionColor.rgb * _EmissionIntensity;
#endif
float3 finalColor = diffuse + specular + rim + emission;
UNITY_APPLY_FOG(i.fogCoord, finalColor);
return float4(finalColor, albedo.a);
}
ENDCG
}
// Outline pass
Pass
{
Name "OutlineBuiltIn"
Tags { "LightMode" = "Always" }
Cull Front
ZWrite On
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#pragma shader_feature_local _OUTLINE_ON
#include "UnityCG.cginc"
sampler2D _MainTex;
float4 _MainTex_ST;
float4 _BaseColor;
float4 _OutlineColor;
float _OutlineWidth;
float _OutlineZOffset;
struct appdata
{
float4 vertex : POSITION;
float3 normal : NORMAL;
float4 color : COLOR;
};
struct v2f
{
float4 pos : SV_POSITION;
};
v2f vert(appdata v)
{
v2f o;
#if defined(_OUTLINE_ON)
float outlineWidth = _OutlineWidth * 0.001 * v.color.a;
float3 posOS = v.vertex.xyz + v.normal * outlineWidth;
o.pos = UnityObjectToClipPos(float4(posOS, 1));
o.pos.z += _OutlineZOffset * o.pos.w;
#else
o.pos = UnityObjectToClipPos(v.vertex);
#endif
return o;
}
float4 frag(v2f i) : SV_Target
{
#if defined(_OUTLINE_ON)
return _OutlineColor;
#else
discard;
return 0;
#endif
}
ENDCG
}
// Shadow caster
Pass
{
Name "ShadowCasterBuiltIn"
Tags { "LightMode" = "ShadowCaster" }
ZWrite On
ZTest LEqual
Cull Back
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#pragma multi_compile_shadowcaster
#include "UnityCG.cginc"
sampler2D _MainTex;
float4 _MainTex_ST;
float4 _BaseColor;
float _Cutoff;
struct v2f
{
V2F_SHADOW_CASTER;
float2 uv : TEXCOORD1;
};
v2f vert(appdata_base v)
{
v2f o;
TRANSFER_SHADOW_CASTER_NORMALOFFSET(o)
o.uv = TRANSFORM_TEX(v.texcoord, _MainTex);
return o;
}
float4 frag(v2f i) : SV_Target
{
float alpha = tex2D(_MainTex, i.uv).a * _BaseColor.a;
clip(alpha - _Cutoff);
SHADOW_CASTER_FRAGMENT(i)
}
ENDCG
}
}
// ==================== HDRP SubShader ====================
SubShader
{
PackageRequirements { "com.unity.render-pipelines.high-definition" }
Tags
{
"RenderType" = "Opaque"
"Queue" = "Geometry"
"RenderPipeline" = "HDRenderPipeline"
}
Pass
{
Name "ToonForwardHDRP"
Tags { "LightMode" = "Forward" }
Cull [_Cull]
Blend [_SrcBlend] [_DstBlend]
ZWrite [_ZWrite]
HLSLPROGRAM
#pragma target 4.5
#pragma vertex vert
#pragma fragment frag
#pragma shader_feature_local _USE_RAMP
#pragma shader_feature_local _SPECULAR_ON
#pragma shader_feature_local _RIM_ON
#pragma shader_feature_local _EMISSION_ON
#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Common.hlsl"
#include "Packages/com.unity.render-pipelines.high-definition/Runtime/ShaderLibrary/ShaderVariables.hlsl"
TEXTURE2D(_MainTex);
TEXTURE2D(_ShadowRampTex);
TEXTURE2D(_EmissionMap);
SAMPLER(sampler_MainTex);
SAMPLER(sampler_ShadowRampTex);
SAMPLER(sampler_EmissionMap);
CBUFFER_START(UnityPerMaterial)
float4 _MainTex_ST;
float4 _BaseColor;
float4 _ShadowColor;
float _ShadowThreshold;
float _ShadowSmoothness;
float4 _SpecularColor;
float _SpecularSmoothness;
float _SpecularIntensity;
float _SpecularSize;
float4 _RimColor;
float _RimPower;
float _RimIntensity;
float4 _EmissionColor;
float _EmissionIntensity;
float _Cutoff;
CBUFFER_END
struct Attributes
{
float4 positionOS : POSITION;
float3 normalOS : NORMAL;
float2 uv : TEXCOORD0;
};
struct Varyings
{
float4 positionCS : SV_POSITION;
float2 uv : TEXCOORD0;
float3 worldPos : TEXCOORD1;
float3 worldNormal : TEXCOORD2;
float3 viewDir : TEXCOORD3;
};
Varyings vert(Attributes IN)
{
Varyings OUT;
OUT.worldPos = TransformObjectToWorld(IN.positionOS.xyz);
OUT.positionCS = TransformWorldToHClip(OUT.worldPos);
OUT.uv = IN.uv * _MainTex_ST.xy + _MainTex_ST.zw;
OUT.worldNormal = TransformObjectToWorldNormal(IN.normalOS);
OUT.viewDir = GetWorldSpaceNormalizeViewDir(OUT.worldPos);
return OUT;
}
float4 frag(Varyings IN) : SV_Target
{
float4 albedo = SAMPLE_TEXTURE2D(_MainTex, sampler_MainTex, IN.uv) * _BaseColor;
clip(albedo.a - _Cutoff);
float3 normal = normalize(IN.worldNormal);
float3 viewDir = normalize(IN.viewDir);
float3 lightDir = float3(0.5, 0.8, 0.2); // Simplified
float NdotL = dot(normal, lightDir);
float halfLambert = NdotL * 0.5 + 0.5;
float shadowFactor;
#if defined(_USE_RAMP)
shadowFactor = SAMPLE_TEXTURE2D(_ShadowRampTex, sampler_ShadowRampTex, float2(halfLambert, 0.5)).r;
#else
shadowFactor = smoothstep(_ShadowThreshold - _ShadowSmoothness, _ShadowThreshold + _ShadowSmoothness, halfLambert);
#endif
float3 diffuse = lerp(albedo.rgb * _ShadowColor.rgb, albedo.rgb, shadowFactor);
float3 specular = float3(0, 0, 0);
#if defined(_SPECULAR_ON)
float3 halfDir = normalize(lightDir + viewDir);
float NdotH = saturate(dot(normal, halfDir));
float spec = pow(NdotH, exp2(_SpecularSmoothness * 10 + 1));
spec = smoothstep(1 - _SpecularSize - 0.01, 1 - _SpecularSize + 0.01, spec);
specular = _SpecularColor.rgb * spec * _SpecularIntensity * shadowFactor;
#endif
float3 rim = float3(0, 0, 0);
#if defined(_RIM_ON)
float rimFactor = pow(1 - saturate(dot(viewDir, normal)), _RimPower);
rim = _RimColor.rgb * rimFactor * _RimIntensity;
#endif
float3 emission = float3(0, 0, 0);
#if defined(_EMISSION_ON)
emission = SAMPLE_TEXTURE2D(_EmissionMap, sampler_EmissionMap, IN.uv).rgb * _EmissionColor.rgb * _EmissionIntensity;
#endif
return float4(diffuse + specular + rim + emission, albedo.a);
}
ENDHLSL
}
}
FallBack "Universal Render Pipeline/Lit"
}
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