82 lines
2.1 KiB
Plaintext
82 lines
2.1 KiB
Plaintext
// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
|
|
|
|
// ============================================================
|
|
// Name: AtlasShader
|
|
// Author: Umut Ozkan
|
|
// ============================================================
|
|
|
|
Shader "UMA/AtlasDetailShaderNormal" {
|
|
Properties {
|
|
_Color ("Main Color", Color) = (1,1,1,1)
|
|
_AdditiveColor ("Additive Color", Color) = (0,0,0,0)
|
|
_MainTex ("Normalmap", 2D) = "bump" {}
|
|
_ExtraTex ("mask", 2D) = "white" {}
|
|
}
|
|
|
|
SubShader
|
|
{
|
|
Tags {"Queue"="Transparent" "IgnoreProjector"="True" "RenderType"="Transparent"}
|
|
|
|
Pass
|
|
{
|
|
Tags{ "LightMode" = "Vertex" }
|
|
Fog{ Mode Off }
|
|
Blend One One
|
|
Lighting Off
|
|
CGPROGRAM
|
|
#pragma vertex vert
|
|
#pragma fragment frag
|
|
|
|
#include "UnityCG.cginc"
|
|
#include "UnityStandardUtils.cginc"
|
|
|
|
float4 _Color;
|
|
float4 _AdditiveColor;
|
|
sampler2D _MainTex;
|
|
sampler2D _ExtraTex;
|
|
|
|
struct v2f {
|
|
float4 pos : SV_POSITION;
|
|
float2 uv : TEXCOORD0;
|
|
};
|
|
|
|
float4 _MainTex_ST;
|
|
|
|
v2f vert(appdata_base v)
|
|
{
|
|
v2f o;
|
|
o.pos = UnityObjectToClipPos(v.vertex);
|
|
o.uv = TRANSFORM_TEX(v.texcoord, _MainTex);
|
|
return o;
|
|
}
|
|
|
|
half2 UNPACK_WITH_WEIGHT_INTERNAL(half4 packednormal, half bumpScale)
|
|
{
|
|
#if defined(UNITY_NO_DXT5nm)
|
|
half2 normal = half2(packednormal.xy * 2 - 1);
|
|
normal.xy *= bumpScale;
|
|
return normal;
|
|
#else
|
|
half2 result = half2(packednormal.wy * 2 - 1);
|
|
result.xy *= bumpScale;
|
|
return result;
|
|
#endif
|
|
}
|
|
|
|
// This atlas shader has Blend mode add
|
|
// It adds adds unpacked values of normal textures. The post process normalize and packs them
|
|
half4 frag(v2f i) : COLOR
|
|
{
|
|
half4 current = tex2D(_MainTex, i.uv);
|
|
half4 extra = tex2D(_ExtraTex, i.uv);
|
|
half2 n = UNPACK_WITH_WEIGHT_INTERNAL(current, min(extra.a, _Color.a));
|
|
// We only need 2 values to calculate normal. Post process will calculate the 3rd vector component
|
|
return half4(n.x, n.y, 0, 0);
|
|
}
|
|
ENDCG
|
|
}
|
|
}
|
|
|
|
Fallback "Transparent/VertexLit"
|
|
}
|