2024-11-04 17:29:11 +08:00

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Shader "Spine/Skeleton"
{
Properties
{
_Cutoff ("Shadow alpha cutoff", Range(0,1)) = 0.1
_VeColor("VeColor",Color) =(1,1,1,1)
[NoScaleOffset] _MainTex ("Main Texture", 2D) = "black" {}
[Toggle(_STRAIGHT_ALPHA_INPUT)] _StraightAlphaInput("Straight Alpha Texture", Int) = 0
[HideInInspector] _StencilRef("Stencil Reference", Float) = 1.0
[HideInInspector][Enum(UnityEngine.Rendering.CompareFunction)] _StencilComp("Stencil Comparison", Float) = 8 // Set to Always as default
// Outline properties are drawn via custom editor.
[HideInInspector] _OutlineWidth("Outline Width", Range(0,8)) = 3.0
[HideInInspector] _OutlineColor("Outline Color", Color) = (1,1,0,1)
[HideInInspector] _OutlineReferenceTexWidth("Reference Texture Width", Int) = 1024
[HideInInspector] _ThresholdEnd("Outline Threshold", Range(0,1)) = 0.25
[HideInInspector] _OutlineSmoothness("Outline Smoothness", Range(0,1)) = 1.0
[HideInInspector][MaterialToggle(_USE8NEIGHBOURHOOD_ON)] _Use8Neighbourhood("Sample 8 Neighbours", Float) = 1
[HideInInspector] _OutlineMipLevel("Outline Mip Level", Range(0,3)) = 0
}
SubShader
{
Tags
{
"Queue"="Transparent" "IgnoreProjector"="True" "RenderType"="Transparent" "PreviewType"="Plane"
}
Fog
{
Mode Off
}
Cull Off
ZWrite Off
Blend One OneMinusSrcAlpha
Lighting Off
Stencil
{
Ref[_StencilRef]
Comp[_StencilComp]
Pass Keep
}
Pass
{
Name "Normal"
CGPROGRAM
#pragma shader_feature _ _STRAIGHT_ALPHA_INPUT
#pragma vertex vert
#pragma fragment frag
#include "UnityCG.cginc"
sampler2D _MainTex;
float4 _VeColor;
struct VertexInput
{
float4 vertex : POSITION;
float2 uv : TEXCOORD0;
float4 vertexColor : COLOR;
};
struct VertexOutput
{
float4 pos : SV_POSITION;
float2 uv : TEXCOORD0;
float4 vertexColor : COLOR;
};
VertexOutput vert(VertexInput v)
{
VertexOutput o;
o.pos = UnityObjectToClipPos(v.vertex);
o.uv = v.uv;
o.vertexColor = v.vertexColor;
return o;
}
float4 frag(VertexOutput i) : SV_Target
{
float4 texColor = tex2D(_MainTex, i.uv);
texColor = _VeColor * texColor;
#if defined(_STRAIGHT_ALPHA_INPUT)
texColor.rgb *= texColor.a;
#endif
return (texColor * i.vertexColor);
}
ENDCG
}
Pass
{
Name "Caster"
Tags
{
"LightMode"="ShadowCaster"
}
Offset 1, 1
ZWrite On
ZTest LEqual
Fog
{
Mode Off
}
Cull Off
Lighting Off
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#pragma multi_compile_shadowcaster
#pragma fragmentoption ARB_precision_hint_fastest
#include "UnityCG.cginc"
sampler2D _MainTex;
fixed _Cutoff;
struct VertexOutput
{
V2F_SHADOW_CASTER;
float4 uvAndAlpha : TEXCOORD1;
};
VertexOutput vert(appdata_base v, float4 vertexColor : COLOR)
{
VertexOutput o;
o.uvAndAlpha = v.texcoord;
o.uvAndAlpha.a = vertexColor.a;
TRANSFER_SHADOW_CASTER(o)
return o;
}
float4 frag(VertexOutput i) : SV_Target
{
fixed4 texcol = tex2D(_MainTex, i.uvAndAlpha.xy);
clip(texcol.a * i.uvAndAlpha.a - _Cutoff);
SHADOW_CASTER_FRAGMENT(i)
}
ENDCG
}
}
CustomEditor "SpineShaderWithOutlineGUI"
}