274 lines
8.2 KiB
Plaintext
274 lines
8.2 KiB
Plaintext
Shader "NLD_URP/NLD_Vehicle"
|
||
{
|
||
Properties
|
||
{
|
||
[MainTexture] _MainTex ("Texture", 2D) = "white" {}
|
||
_MaskTex ("Mask", 2D) = "white" {}
|
||
_OutlineColor("Outline Color",color)=(0.18,0.1098,0.0549,1)
|
||
_Outline("Thick of Outline",range(0,0.1))=0.008
|
||
_Factor("Factor",range(0,1)) = 0.32
|
||
_shadowScale("ShadowScale", range(0, 1.0)) = 0.5
|
||
_specularScaleG("SpecularScaleG", range(0, 10.0)) = 2.0
|
||
_specularScaleB("SpecularScaleB", range(0, 10.0)) = 2.0
|
||
_AlphaClip ("Alpha Clip", Range(0,1)) = 0.1
|
||
_fadeAlpha("FadeAlpha", range(0, 1.0)) = 1.0
|
||
|
||
[MaterialToggle(_RECEIVE_SHADOW_ON)] _ReceiveShadow ("Receive Shadow", Float) = 1
|
||
|
||
[Toggle] _ForceTransparent ("Force Transparent", Float) = 0.0
|
||
[Enum(Off,0,On,1)] _ZWrite("ZWrite", Float) = 1
|
||
|
||
}
|
||
SubShader
|
||
{
|
||
Tags {
|
||
"RenderType"="Opaque"
|
||
"RenderPipeline" = "UniversalPipeline"
|
||
}
|
||
LOD 100
|
||
|
||
HLSLINCLUDE
|
||
|
||
#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
|
||
#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Lighting.hlsl"
|
||
|
||
struct appdata
|
||
{
|
||
float4 positionOS : POSITION;
|
||
float3 normal : NORMAL;
|
||
float4 tangent : TANGENT;
|
||
float2 uv : TEXCOORD0;
|
||
};
|
||
|
||
struct v2f
|
||
{
|
||
float2 uv : TEXCOORD0;
|
||
float4 positionHCS : SV_POSITION;
|
||
#if defined(_RECEIVE_SHADOW_ON)
|
||
float3 normalWS : TEXCOORD1;
|
||
float3 positionWS : TEXCOORD02;
|
||
#endif
|
||
};
|
||
|
||
TEXTURE2D(_MainTex);
|
||
SAMPLER(sampler_MainTex);
|
||
|
||
TEXTURE2D(_MaskTex);
|
||
SAMPLER(sampler_MaskTex);
|
||
|
||
CBUFFER_START(UnityPerMaterial)
|
||
|
||
float4 _MainTex_ST;
|
||
float4 _MaskTex_ST;
|
||
float4 _BaseMap_ST;
|
||
float _specularScaleB;
|
||
float _specularScaleG;
|
||
float _shadowScale;
|
||
float _Outline;
|
||
float4 _OutlineColor;
|
||
float _Factor;
|
||
float _AlphaClip;
|
||
float _ForceTransparent;
|
||
float _fadeAlpha;
|
||
|
||
CBUFFER_END
|
||
|
||
ENDHLSL
|
||
|
||
Pass
|
||
{
|
||
|
||
Name "ForwardLit"
|
||
Tags {
|
||
"LightMode" = "SRPDefaultUnlit"
|
||
"RenderType" = "Opaque"
|
||
}
|
||
|
||
Cull Back
|
||
ZWrite [_ZWrite]
|
||
ZTest Less
|
||
Blend SrcAlpha OneMinusSrcAlpha
|
||
|
||
Stencil
|
||
{
|
||
Ref 2
|
||
Comp Always
|
||
Pass Replace
|
||
Fail Keep
|
||
ZFail Keep
|
||
ReadMask 255
|
||
WriteMask 255
|
||
}
|
||
|
||
HLSLPROGRAM
|
||
#pragma vertex vert
|
||
#pragma fragment frag
|
||
#pragma shader_feature_local _ _RECEIVE_SHADOW_ON
|
||
|
||
#if defined(_RECEIVE_SHADOW_ON)
|
||
#pragma multi_compile _ _ADDITIONAL_LIGHTS_VERTEX _ADDITIONAL_LIGHTS
|
||
#pragma multi_compile _ _MAIN_LIGHT_SHADOWS
|
||
#pragma multi_compile _ _MAIN_LIGHT_SHADOWS_CASCADE
|
||
#pragma multi_compile _ _ADDITIONAL_LIGHT_SHADOWS
|
||
#pragma multi_compile _ _SHADOWS_SOFT
|
||
#endif
|
||
|
||
v2f vert (appdata v)
|
||
{
|
||
v2f o;
|
||
o.positionHCS = TransformObjectToHClip(v.positionOS.xyz);
|
||
o.uv = TRANSFORM_TEX(v.uv, _MainTex);
|
||
|
||
|
||
#if defined(_RECEIVE_SHADOW_ON)
|
||
o.positionWS = TransformObjectToWorld(v.positionOS);
|
||
o.normalWS = TransformObjectToWorldNormal(v.normal);
|
||
#endif
|
||
|
||
|
||
return o;
|
||
}
|
||
|
||
half4 frag (const v2f i) : SV_Target
|
||
{
|
||
if (_fadeAlpha <= 0.01) {
|
||
discard;
|
||
}
|
||
|
||
half4 color = SAMPLE_TEXTURE2D(_MainTex, sampler_MainTex, i.uv);
|
||
if (color.a <= _AlphaClip) discard;
|
||
|
||
half4 colorMask = SAMPLE_TEXTURE2D(_MaskTex, sampler_MaskTex, i.uv);
|
||
|
||
half shadow = 1.0;
|
||
#if defined(_RECEIVE_SHADOW_ON)
|
||
|
||
float4 SHADOW_COORDS = TransformWorldToShadowCoord(i.positionWS);
|
||
|
||
shadow = MainLightRealtimeShadow(SHADOW_COORDS);
|
||
#endif
|
||
|
||
shadow *= step(0.5h, colorMask.r);
|
||
|
||
// 阴影强度跟随 fadeAlpha 渐变（fadeAlpha 越低，阴影越弱）
|
||
half shadowStrength = (1.0h - shadow) * _fadeAlpha;
|
||
color.xyz *= lerp(1.0h, _shadowScale, shadowStrength);
|
||
color.xyz *= lerp(1.0h, _specularScaleB, 1.0h - step(colorMask.b, 0.5h));
|
||
color.xyz *= lerp(1.0h, _specularScaleG, 1.0h - step(colorMask.g, 0.5h));
|
||
|
||
half forceTransparentMask = saturate(abs(sign(_ForceTransparent)));
|
||
color.a = _fadeAlpha * lerp(1.0h, 0.2h, forceTransparentMask);
|
||
|
||
return color;
|
||
|
||
}
|
||
ENDHLSL
|
||
}
|
||
|
||
Pass {
|
||
Name "Outline"
|
||
Tags { "LightMode" = "Outline" }
|
||
Cull Front
|
||
ZTest Less
|
||
ZWrite [_ZWrite]
|
||
Blend SrcAlpha OneMinusSrcAlpha
|
||
|
||
HLSLPROGRAM
|
||
#pragma vertex vert
|
||
#pragma fragment frag
|
||
|
||
v2f vert (appdata v)
|
||
{
|
||
v2f o;
|
||
o.uv = TRANSFORM_TEX(v.uv, _MainTex);
|
||
float3 dir = TransformObjectToWorldNormal(v.normal);
|
||
float3 dir2 = v.normal;
|
||
float D = dot(dir, dir2);
|
||
dir = dir*sign(D);
|
||
dir = dir*_Factor + dir2*(1-_Factor);
|
||
v.positionOS.xyz += dir*_Outline;
|
||
o.positionHCS = TransformObjectToHClip(v.positionOS.xyz);
|
||
return o;
|
||
}
|
||
|
||
half4 frag (v2f i) : SV_Target
|
||
{
|
||
if (_fadeAlpha <= 0.01) {
|
||
discard;
|
||
}
|
||
|
||
half4 color = SAMPLE_TEXTURE2D(_MainTex, sampler_MainTex, i.uv);
|
||
if (color.a < _AlphaClip) discard;
|
||
|
||
half4 mask = SAMPLE_TEXTURE2D(_MaskTex, sampler_MaskTex, i.uv);
|
||
if (mask.a < 0.1) discard;
|
||
|
||
half4 c = _OutlineColor;
|
||
c.a = _fadeAlpha;
|
||
return c;
|
||
}
|
||
ENDHLSL
|
||
}
|
||
|
||
Pass {
|
||
Name "ShadowCaster"
|
||
Tags
|
||
{
|
||
"LightMode" = "ShadowCaster"
|
||
}
|
||
|
||
|
||
ZWrite On
|
||
ZTest LEqual
|
||
Cull Back
|
||
|
||
HLSLPROGRAM
|
||
#pragma target 2.0
|
||
|
||
#pragma vertex vert
|
||
#pragma fragment frag
|
||
|
||
v2f vert (appdata v)
|
||
{
|
||
v2f o;
|
||
o.positionHCS = TransformObjectToHClip(v.positionOS.xyz);
|
||
o.uv = TRANSFORM_TEX(v.uv, _MainTex);
|
||
return o;
|
||
}
|
||
|
||
half4 frag (v2f i) : SV_Target
|
||
{
|
||
// 当 fadeAlpha >= 0.99 时，跳过纹理采样和 dithering，直接投射阴影
|
||
if (_fadeAlpha >= 0.99h)
|
||
{
|
||
return 1;
|
||
}
|
||
|
||
// 完全透明时不投射阴影
|
||
if (_fadeAlpha <= 0.01h)
|
||
{
|
||
discard;
|
||
}
|
||
|
||
// 仅在渐隐状态下进行纹理采样和 alpha 裁剪
|
||
half texAlpha = SAMPLE_TEXTURE2D(_MainTex, sampler_MainTex, i.uv).a;
|
||
clip(texAlpha - _AlphaClip);
|
||
|
||
// Dithering 实现渐隐阴影效果
|
||
half2 p = floor(i.positionHCS.xy);
|
||
half2 p2 = floor(p * 0.5h);
|
||
half2 p4 = floor(p2 * 0.5h);
|
||
half d = frac(dot(p, half2(0.5h, 0.25h)) + dot(p2, half2(0.125h, 0.0625h)) + dot(p4, half2(0.03125h, 0.015625h)));
|
||
half dither = d * 0.984375h + 0.015625h;
|
||
|
||
half fade = _fadeAlpha * _fadeAlpha * (3.0h - 2.0h * _fadeAlpha);
|
||
clip(fade - dither);
|
||
|
||
return 1;
|
||
}
|
||
|
||
ENDHLSL
|
||
}
|
||
}
|
||
}
|