119 lines
2.6 KiB
Plaintext
119 lines
2.6 KiB
Plaintext
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Shader "KriptoFX/FPS_Pack/Glass" {
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Properties {
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[HDR]_TintColor ("Tint Color", Color) = (1,1,1,1)
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_MainTex ("Base (RGB) Gloss (A)", 2D) = "black" {}
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_DuDvMap ("DuDv Map", 2D) = "black" {}
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_BumpAmt ("Distortion", Float) = 10
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}
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SubShader{
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Tags{ "Queue" = "Transparent-10" "IgnoreProjector" = "True" "RenderType" = "Transparent" }
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Blend SrcAlpha OneMinusSrcAlpha
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Cull Off
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ZWrite On
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Pass{
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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#include "UnityCG.cginc"
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struct appdata_t {
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float4 vertex : POSITION;
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float2 texcoord: TEXCOORD0;
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float4 color : COLOR;
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};
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struct v2f {
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float4 vertex : POSITION;
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float4 uvgrab : TEXCOORD0;
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float2 uvbump : TEXCOORD1;
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float2 uvmain : TEXCOORD2;
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float4 color : COLOR;
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};
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sampler2D _MainTex;
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sampler2D _DuDvMap;
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float _BumpAmt;
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float _ColorStrength;
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sampler2D _CameraOpaqueTexture;
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float4 _TintColor;
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float4 _LightColor0;
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float4 _DuDvMap_ST;
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float4 _MainTex_ST;
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sampler2D RFX4_PointLightAttenuation;
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half4 RFX4_AmbientColor;
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float4 RFX4_LightPositions[40];
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float4 RFX4_LightColors[40];
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int RFX4_LightCount;
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half3 ShadeCustomLights(float4 vertex, half3 normal, int lightCount)
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{
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float3 worldPos = mul(unity_ObjectToWorld, vertex);
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float3 worldNormal = UnityObjectToWorldNormal(normal);
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float3 lightColor = RFX4_AmbientColor.xyz;
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for (int i = 0; i < lightCount; i++) {
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float3 lightDir = RFX4_LightPositions[i].xyz - worldPos.xyz * RFX4_LightColors[i].w;
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half normalizedDist = length(lightDir) / RFX4_LightPositions[i].w;
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fixed attenuation = tex2Dlod(RFX4_PointLightAttenuation, half4(normalizedDist.xx, 0, 0));
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attenuation = lerp(1, attenuation, RFX4_LightColors[i].w);
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float diff = max(0, dot(normalize(worldNormal), normalize(lightDir)));
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lightColor += RFX4_LightColors[i].rgb * (diff * attenuation);
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}
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return (lightColor);
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}
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v2f vert (appdata_t v)
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{
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v2f o;
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o.vertex = UnityObjectToClipPos(v.vertex);
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o.color = v.color;
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o.color.rgb *= saturate(ShadeCustomLights(v.vertex, float3(0, 1, 0), RFX4_LightCount));
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o.uvgrab = ComputeGrabScreenPos(o.vertex);
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o.uvbump = TRANSFORM_TEX( v.texcoord, _DuDvMap );
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o.uvmain = TRANSFORM_TEX( v.texcoord, _MainTex );
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return o;
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}
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half4 frag( v2f i ) : COLOR
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{
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half3 bump = UnpackNormal(tex2D(_DuDvMap, i.uvbump));
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half alphaBump = saturate((0.94 - pow(bump.z, 127)) * 5);
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i.uvgrab.xy = bump.rg * i.color.a * alphaBump * _BumpAmt + i.uvgrab.xy;
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half4 grab = tex2Dlod(_CameraOpaqueTexture, float4(i.uvgrab.xy / i.uvgrab.w, 0, 0));
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fixed4 tex = tex2D(_MainTex, i.uvmain) * i.color;
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fixed4 res = grab + tex * _TintColor * i.color.a;
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res.a = saturate(res.a);
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return res;
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}
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ENDCG
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}
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}
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FallBack "Diffuse"
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}
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