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173 行
6.7 KiB

Shader "LightweightPipeline/LightweightStandardParticles"
{
Properties
{
_MainTex("Albedo", 2D) = "white" {}
_Color("Color", Color) = (1,1,1,1)
_Cutoff("Alpha Cutoff", Range(0.0, 1.0)) = 0.5
_MetallicGlossMap("Metallic", 2D) = "white" {}
[Gamma] _Metallic("Metallic", Range(0.0, 1.0)) = 0.0
_Glossiness("Smoothness", Range(0.0, 1.0)) = 0.5
_BumpScale("Scale", Float) = 1.0
_BumpMap("Normal Map", 2D) = "bump" {}
_EmissionColor("Color", Color) = (0,0,0)
_EmissionMap("Emission", 2D) = "white" {}
_DistortionStrength("Strength", Float) = 1.0
_DistortionBlend("Blend", Range(0.0, 1.0)) = 0.5
_SoftParticlesNearFadeDistance("Soft Particles Near Fade", Float) = 0.0
_SoftParticlesFarFadeDistance("Soft Particles Far Fade", Float) = 1.0
_CameraNearFadeDistance("Camera Near Fade", Float) = 1.0
_CameraFarFadeDistance("Camera Far Fade", Float) = 2.0
// Hidden properties
[HideInInspector] _Mode("__mode", Float) = 0.0
[HideInInspector] _FlipbookMode("__flipbookmode", Float) = 0.0
[HideInInspector] _LightingEnabled("__lightingenabled", Float) = 1.0
[HideInInspector] _DistortionEnabled("__distortionenabled", Float) = 0.0
[HideInInspector] _EmissionEnabled("__emissionenabled", Float) = 0.0
[HideInInspector] _BlendOp("__blendop", Float) = 0.0
[HideInInspector] _SrcBlend("__src", Float) = 1.0
[HideInInspector] _DstBlend("__dst", Float) = 0.0
[HideInInspector] _ZWrite("__zw", Float) = 1.0
[HideInInspector] _Cull("__cull", Float) = 2.0
[HideInInspector] _SoftParticlesEnabled("__softparticlesenabled", Float) = 0.0
[HideInInspector] _CameraFadingEnabled("__camerafadingenabled", Float) = 0.0
[HideInInspector] _SoftParticleFadeParams("__softparticlefadeparams", Vector) = (0,0,0,0)
[HideInInspector] _CameraFadeParams("__camerafadeparams", Vector) = (0,0,0,0)
[HideInInspector] _DistortionStrengthScaled("__distortionstrengthscaled", Float) = 0.0
}
SubShader
{
Tags{"RenderType" = "Opaque" "IgnoreProjector" = "True" "PreviewType" = "Plane" "PerformanceChecks" = "False" "RenderPipeline" = "LightweightPipeline"}
BlendOp[_BlendOp]
Blend[_SrcBlend][_DstBlend]
ZWrite[_ZWrite]
Cull[_Cull]
GrabPass
{
Tags{"LightMode" = "Always"}
"_GrabTexture"
}
Pass
{
Tags {"LightMode" = "LightweightForward"}
CGPROGRAM
#pragma vertex ParticlesLitVertex
#pragma fragment ParticlesLitFragment
#pragma multi_compile __ SOFTPARTICLES_ON
#pragma multi_compile _MAIN_DIRECTIONAL_LIGHT _MAIN_SPOT_LIGHT _MAIN_POINT_LIGHT
#pragma target 3.5
#pragma shader_feature _ _ALPHATEST_ON _ALPHABLEND_ON _ALPHAPREMULTIPLY_ON _ALPHAMODULATE_ON
#pragma shader_feature _METALLICGLOSSMAP
#pragma shader_feature _NORMALMAP
#pragma shader_feature _EMISSION
#pragma shader_feature _FADING_ON
#pragma shader_feature _REQUIRE_UV2
#pragma shader_feature EFFECT_BUMP
#define NO_LIGHTMAP
#define NO_ADDITIONAL_LIGHTS
#include "UnityStandardParticles.cginc"
#include "LightweightLighting.cginc"
struct VertexOutputLit
{
half4 color : COLOR;
float2 texcoord : TEXCOORD0;
#if _NORMALMAP
half3 tangent : TEXCOORD1;
half3 binormal : TEXCOORD2;
half3 normal : TEXCOORD3;
#else
half3 normal : TEXCOORD1;
#endif
#if defined(_FLIPBOOK_BLENDING)
float3 texcoord2AndBlend : TEXCOORD4;
#endif
#if defined(SOFTPARTICLES_ON) || defined(_FADING_ON)
float4 projectedPosition : TEXCOORD5;
#endif
#if _DISTORTION_ON
float4 grabPassPosition : TEXCOORD6;
#endif
float4 posWS : TEXCOORD7; // xyz: position; w = fogFactor;
float4 clipPos : SV_POSITION;
};
void InitializeSurfaceData(VertexOutputLit IN, out SurfaceOutputStandard surfaceData)
{
Input input;
input.color = IN.color;
input.texcoord = IN.texcoord;
#if defined(_FLIPBOOK_BLENDING)
input.texcoord2AndBlend = IN.texcoord2AndBlend;
#endif
#if defined(SOFTPARTICLES_ON) || defined(_FADING_ON)
input.projectedPosition = IN.projectedPosition;
#endif
#if _DISTORTION_ON
input.grabPassPosition = IN.grabPassPosition;
#endif
surfaceData.Normal = half3(0, 0, 1);
surfaceData.Occlusion = 1.0;
surf(input, surfaceData);
}
VertexOutputLit ParticlesLitVertex(appdata_particles v)
{
VertexOutputLit o;
float4 clipPosition = UnityObjectToClipPos(v.vertex);
#if _NORMALMAP
OutputTangentSpace(v.tangent, v.normal, o.tangent, o.binormal, o.normal);
#else
o.normal = normalize(UnityObjectToWorldNormal(v.normal));
#endif
o.color = v.color;
o.posWS.xyz = mul(unity_ObjectToWorld, v.vertex).xyz;
o.posWS.w = ComputeFogFactor(clipPosition.z);
vertTexcoord(v, o);
vertFading(o);
vertDistortion(o);
o.clipPos = clipPosition;
return o;
}
half4 ParticlesLitFragment(VertexOutputLit IN) : SV_Target
{
SurfaceOutputStandard surfaceData;
InitializeSurfaceData(IN, surfaceData);
float3 positionWS = IN.posWS.xyz;
half3 viewDirWS = SafeNormalize(_WorldSpaceCameraPos - positionWS);
half fogFactor = IN.posWS.w;
#if _NORMALMAP
half3 normalWS = TangentToWorldNormal(surfaceData.Normal, IN.tangent, IN.binormal, IN.normal);
#else
half3 normalWS = normalize(IN.normal);
#endif
half3 zero = half3(0.0, 0.0, 0.0);
return LightweightFragmentPBR(positionWS, normalWS, viewDirWS, fogFactor, /*indirectDiffuse*/ zero, /*vertex lighting*/ zero, surfaceData.Albedo,
surfaceData.Metallic, /* specularColor */ zero, surfaceData.Smoothness, surfaceData.Occlusion, surfaceData.Emission, surfaceData.Alpha);
}
ENDCG
}
}
CustomEditor "StandardParticlesShaderGUI"
}