// Shader created with Shader Forge v1.38 
// Shader Forge (c) Neat Corporation / Joachim Holmer - http://www.acegikmo.com/shaderforge/
// Note: Manually altering this data may prevent you from opening it in Shader Forge
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Shader "Lessons RealTime VFX/remapTexAlphablend" {
    Properties {
        _ColorGrid ("Color Grid", Color) = (1,1,1,1)
        _ColorChecker01 ("Color Checker 01", Color) = (1,1,1,1)
        _ColorChecker02 ("Color Checker 02", Color) = (1,1,1,1)
        _MainTex ("MainTex", 2D) = "white" {}
        _ColorFog ("Color Fog", Color) = (1,1,1,1)
        _Intensity ("Intensity", Range(0, 1)) = 0
        _OffsetFog ("Offset Fog", Range(0, 50)) = 0
    }
    SubShader {
        Tags {
            "RenderType"="Opaque"
        }
        Pass {
            Name "FORWARD"
            Tags {
                "LightMode"="ForwardBase"
            }
            
            
            CGPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            #define UNITY_PASS_FORWARDBASE
            #include "UnityCG.cginc"
            #include "AutoLight.cginc"
            #include "Lighting.cginc"
            #pragma multi_compile_fwdbase_fullshadows
            #pragma only_renderers d3d9 d3d11 glcore gles gles3 metal d3d11_9x 
            #pragma target 2.0
            uniform float4 _ColorChecker01;
            uniform sampler2D _MainTex; uniform float4 _MainTex_ST;
            uniform float4 _ColorFog;
            uniform float _Intensity;
            uniform float _OffsetFog;
            uniform float4 _ColorChecker02;
            uniform float4 _ColorGrid;
            struct VertexInput {
                float4 vertex : POSITION;
                float2 texcoord0 : TEXCOORD0;
            };
            struct VertexOutput {
                float4 pos : SV_POSITION;
                float2 uv0 : TEXCOORD0;
                float4 posWorld : TEXCOORD1;
                LIGHTING_COORDS(2,3)
            };
            VertexOutput vert (VertexInput v) {
                VertexOutput o = (VertexOutput)0;
                o.uv0 = v.texcoord0;
                o.posWorld = mul(unity_ObjectToWorld, v.vertex);
                float3 lightColor = _LightColor0.rgb;
                o.pos = UnityObjectToClipPos( v.vertex );
                TRANSFER_VERTEX_TO_FRAGMENT(o)
                return o;
            }
            float4 frag(VertexOutput i) : COLOR {
                float3 lightColor = _LightColor0.rgb;
////// Lighting:
                float attenuation = LIGHT_ATTENUATION(i);
////// Emissive:
                float4 _MainTex_var = tex2D(_MainTex,TRANSFORM_TEX(i.uv0, _MainTex));
                float2 node_8564 = _MainTex_var.rgb.rg;
                float3 emissive = (lerp((lerp( lerp( _ColorGrid.rgb, _ColorChecker01.rgb, node_8564.r ), _ColorChecker02.rgb, node_8564.g )),_ColorFog.rgb,saturate(((i.posWorld.g+_OffsetFog)*_Intensity)))*(attenuation*_LightColor0.a));
                float3 finalColor = emissive;
                return fixed4(finalColor,1);
            }
            ENDCG
        }
        Pass {
            Name "FORWARD_DELTA"
            Tags {
                "LightMode"="ForwardAdd"
            }
            Blend One One
            
            
            CGPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            #define UNITY_PASS_FORWARDADD
            #include "UnityCG.cginc"
            #include "AutoLight.cginc"
            #include "Lighting.cginc"
            #pragma multi_compile_fwdadd_fullshadows
            #pragma only_renderers d3d9 d3d11 glcore gles gles3 metal d3d11_9x 
            #pragma target 2.0
            uniform float4 _ColorChecker01;
            uniform sampler2D _MainTex; uniform float4 _MainTex_ST;
            uniform float4 _ColorFog;
            uniform float _Intensity;
            uniform float _OffsetFog;
            uniform float4 _ColorChecker02;
            uniform float4 _ColorGrid;
            struct VertexInput {
                float4 vertex : POSITION;
                float2 texcoord0 : TEXCOORD0;
            };
            struct VertexOutput {
                float4 pos : SV_POSITION;
                float2 uv0 : TEXCOORD0;
                float4 posWorld : TEXCOORD1;
                LIGHTING_COORDS(2,3)
            };
            VertexOutput vert (VertexInput v) {
                VertexOutput o = (VertexOutput)0;
                o.uv0 = v.texcoord0;
                o.posWorld = mul(unity_ObjectToWorld, v.vertex);
                float3 lightColor = _LightColor0.rgb;
                o.pos = UnityObjectToClipPos( v.vertex );
                TRANSFER_VERTEX_TO_FRAGMENT(o)
                return o;
            }
            float4 frag(VertexOutput i) : COLOR {
                float3 lightColor = _LightColor0.rgb;
////// Lighting:
                float attenuation = LIGHT_ATTENUATION(i);
                float3 finalColor = 0;
                return fixed4(finalColor * 1,0);
            }
            ENDCG
        }
    }
    FallBack "Diffuse"
    CustomEditor "ShaderForgeMaterialInspector"
}