// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'

// Shader created with Shader Forge v1.33 
// 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
/*SF_DATA;ver:1.33;sub:START;pass:START;ps:flbk:,iptp:0,cusa:False,bamd:0,lico:1,lgpr:1,limd:2,spmd:1,trmd:1,grmd:0,uamb:True,mssp:True,bkdf:False,hqlp:True,rprd:True,enco:False,rmgx:True,rpth:0,vtps:0,hqsc:True,nrmq:1,nrsp:0,vomd:0,spxs:False,tesm:0,olmd:1,culm:0,bsrc:0,bdst:0,dpts:2,wrdp:False,dith:0,atcv:False,rfrpo:True,rfrpn:Refraction,coma:15,ufog:False,aust:True,igpj:True,qofs:0,qpre:3,rntp:2,fgom:False,fgoc:False,fgod:False,fgor:False,fgmd:0,fgcr:0.5,fgcg:0.5,fgcb:0.5,fgca:1,fgde:0.01,fgrn:0,fgrf:300,stcl:False,stva:128,stmr:255,stmw:255,stcp:6,stps:0,stfa:0,stfz:0,ofsf:0,ofsu:0,f2p0:False,fnsp:False,fnfb:False;n:type:ShaderForge.SFN_Final,id:3138,x:33092,y:32650,varname:node_3138,prsc:2|diff-5326-OUT,spec-2014-OUT,gloss-9583-OUT,alpha-7241-A;n:type:ShaderForge.SFN_Color,id:7241,x:31892,y:32636,ptovrint:False,ptlb:Specular,ptin:_Specular,varname:_Specular,prsc:2,glob:False,taghide:False,taghdr:False,tagprd:False,tagnsco:False,tagnrm:False,c1:1,c2:1,c3:1,c4:1;n:type:ShaderForge.SFN_Multiply,id:2014,x:32273,y:32850,varname:node_2014,prsc:2|A-7241-RGB,B-9893-RGB;n:type:ShaderForge.SFN_Tex2d,id:9893,x:31960,y:32931,ptovrint:False,ptlb:Mask,ptin:_Mask,varname:_Mask,prsc:2,glob:False,taghide:False,taghdr:False,tagprd:False,tagnsco:False,tagnrm:False,ntxv:0,isnm:False;n:type:ShaderForge.SFN_Slider,id:9583,x:32087,y:32585,ptovrint:False,ptlb:Gloss,ptin:_Gloss,varname:_Gloss,prsc:2,glob:False,taghide:False,taghdr:False,tagprd:False,tagnsco:False,tagnrm:False,min:0,cur:0.8888889,max:1;n:type:ShaderForge.SFN_Vector1,id:5326,x:32447,y:32512,varname:node_5326,prsc:2,v1:0;proporder:7241-9893-9583;pass:END;sub:END;*/

Shader "Fog Volume/Room Floor Reflection" {
    Properties {
        _Specular ("Specular", Color) = (1,1,1,1)
        _Mask ("Mask", 2D) = "white" {}
        _Gloss ("Gloss", Range(0, 1)) = 0.8888889
        [HideInInspector]_Cutoff ("Alpha cutoff", Range(0,1)) = 0.5
    }
    SubShader {
        Tags {
            "IgnoreProjector"="True"
            "Queue"="Transparent"
            "RenderType"="Transparent"
        }
        Pass {
            Name "FORWARD"
            Tags {
                "LightMode"="ForwardBase"
            }
            Blend One One
            ZWrite Off
            
            CGPROGRAM
            #pragma vertex vert
            #pragma fragment frag
           // #define UNITY_PASS_FORWARDBASE
            #define _GLOSSYENV 1
            #include "UnityCG.cginc"
            #include "UnityPBSLighting.cginc"
            #include "UnityStandardBRDF.cginc"
            #pragma multi_compile_fwdbase
            #pragma only_renderers d3d9 d3d11 glcore gles gles3 metal 
            #pragma target 3.0
            uniform float4 _Specular;
            uniform sampler2D _Mask; uniform float4 _Mask_ST;
            uniform float _Gloss;
            struct VertexInput {
                float4 vertex : POSITION;
                float3 normal : NORMAL;
                float2 texcoord0 : TEXCOORD0;
            };
            struct VertexOutput {
                float4 pos : SV_POSITION;
                float2 uv0 : TEXCOORD0;
                float4 posWorld : TEXCOORD1;
                float3 normalDir : TEXCOORD2;
            };
            VertexOutput vert (VertexInput v) {
                VertexOutput o = (VertexOutput)0;
                o.uv0 = v.texcoord0;
                o.normalDir = UnityObjectToWorldNormal(v.normal);
                o.posWorld = mul(unity_ObjectToWorld, v.vertex);
                float3 lightColor = _LightColor0.rgb;
                o.pos = UnityObjectToClipPos(v.vertex );
                return o;
            }
            float4 frag(VertexOutput i) : COLOR {
                i.normalDir = normalize(i.normalDir);
                float3 viewDirection = normalize(_WorldSpaceCameraPos.xyz - i.posWorld.xyz);
                float3 normalDirection = i.normalDir;
                float3 viewReflectDirection = reflect( -viewDirection, normalDirection );
                float3 lightDirection = normalize(_WorldSpaceLightPos0.xyz);
                float3 lightColor = _LightColor0.rgb;
////// Lighting:
                float attenuation = 1;
                float3 attenColor = attenuation * _LightColor0.xyz;
///////// Gloss:
                float gloss = _Gloss;
                float specPow = exp2( gloss * 10.0+1.0);
/////// GI Data:
                UnityLight light;
                #ifdef LIGHTMAP_OFF
                    light.color = lightColor;
                    light.dir = lightDirection;
                    light.ndotl = LambertTerm (normalDirection, light.dir);
                #else
                    light.color = half3(0.f, 0.f, 0.f);
                    light.ndotl = 0.0f;
                    light.dir = half3(0.f, 0.f, 0.f);
                #endif
                UnityGIInput d;
                d.light = light;
                d.worldPos = i.posWorld.xyz;
                d.worldViewDir = viewDirection;
                d.atten = attenuation;
                #if UNITY_SPECCUBE_BLENDING || UNITY_SPECCUBE_BOX_PROJECTION
                    d.boxMin[0] = unity_SpecCube0_BoxMin;
                    d.boxMin[1] = unity_SpecCube1_BoxMin;
                #endif
                #if UNITY_SPECCUBE_BOX_PROJECTION
                    d.boxMax[0] = unity_SpecCube0_BoxMax;
                    d.boxMax[1] = unity_SpecCube1_BoxMax;
                    d.probePosition[0] = unity_SpecCube0_ProbePosition;
                    d.probePosition[1] = unity_SpecCube1_ProbePosition;
                #endif
                d.probeHDR[0] = unity_SpecCube0_HDR;
                d.probeHDR[1] = unity_SpecCube1_HDR;
                Unity_GlossyEnvironmentData ugls_en_data;
                ugls_en_data.roughness = 1.0 - gloss;
                ugls_en_data.reflUVW = viewReflectDirection;
                UnityGI gi = UnityGlobalIllumination(d, 1, normalDirection, ugls_en_data );
                lightDirection = gi.light.dir;
                lightColor = gi.light.color;
////// Specular:
                float NdotL = saturate(dot( normalDirection, lightDirection ));
                float4 _Mask_var = tex2D(_Mask,TRANSFORM_TEX(i.uv0, _Mask));
                float3 specularColor = (_Specular.rgb*_Mask_var.rgb);
                float3 directSpecular = (floor(attenuation) * _LightColor0.xyz) * pow(max(0,dot(reflect(-lightDirection, normalDirection),viewDirection)),specPow)*specularColor;
                float3 indirectSpecular = (gi.indirect.specular)*specularColor;
                float3 specular = (directSpecular + indirectSpecular);
/////// Diffuse:
                NdotL = max(0.0,dot( normalDirection, lightDirection ));
                float3 directDiffuse = max( 0.0, NdotL) * attenColor;
                float3 indirectDiffuse = float3(0,0,0);
                indirectDiffuse += UNITY_LIGHTMODEL_AMBIENT.rgb; // Ambient Light
                float node_5326 = 0.0;
                float3 diffuseColor = float3(node_5326,node_5326,node_5326);
                float3 diffuse = (directDiffuse + indirectDiffuse) * diffuseColor;
/// Final Color:
                float3 finalColor = diffuse * _Specular.a + specular;
                return fixed4(finalColor,_Specular.a);
            }
            ENDCG
        }
        Pass {
            Name "FORWARD_DELTA"
            Tags {
                "LightMode"="ForwardAdd"
            }
            Blend One One
            ZWrite Off
            
            CGPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            //#define UNITY_PASS_FORWARDADD
            #define _GLOSSYENV 1
            #include "UnityCG.cginc"
            #include "AutoLight.cginc"
            #include "UnityPBSLighting.cginc"
            #include "UnityStandardBRDF.cginc"
            #pragma multi_compile_fwdadd
            #pragma only_renderers d3d9 d3d11 glcore gles gles3 metal 
            #pragma target 3.0
            uniform float4 _Specular;
            uniform sampler2D _Mask; uniform float4 _Mask_ST;
            uniform float _Gloss;
            struct VertexInput {
                float4 vertex : POSITION;
                float3 normal : NORMAL;
                float2 texcoord0 : TEXCOORD0;
            };
            struct VertexOutput {
                float4 pos : SV_POSITION;
                float2 uv0 : TEXCOORD0;
                float4 posWorld : TEXCOORD1;
                float3 normalDir : TEXCOORD2;
                LIGHTING_COORDS(3,4)
            };
            VertexOutput vert (VertexInput v) {
                VertexOutput o = (VertexOutput)0;
                o.uv0 = v.texcoord0;
                o.normalDir = UnityObjectToWorldNormal(v.normal);
                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 {
                i.normalDir = normalize(i.normalDir);
                float3 viewDirection = normalize(_WorldSpaceCameraPos.xyz - i.posWorld.xyz);
                float3 normalDirection = i.normalDir;
                float3 lightDirection = normalize(lerp(_WorldSpaceLightPos0.xyz, _WorldSpaceLightPos0.xyz - i.posWorld.xyz,_WorldSpaceLightPos0.w));
                float3 lightColor = _LightColor0.rgb;
////// Lighting:
                float attenuation = LIGHT_ATTENUATION(i);
                float3 attenColor = attenuation * _LightColor0.xyz;
///////// Gloss:
                float gloss = _Gloss;
                float specPow = exp2( gloss * 10.0+1.0);
////// Specular:
                float NdotL = saturate(dot( normalDirection, lightDirection ));
                float4 _Mask_var = tex2D(_Mask,TRANSFORM_TEX(i.uv0, _Mask));
                float3 specularColor = (_Specular.rgb*_Mask_var.rgb);
                float3 directSpecular = attenColor * pow(max(0,dot(reflect(-lightDirection, normalDirection),viewDirection)),specPow)*specularColor;
                float3 specular = directSpecular;
/////// Diffuse:
                NdotL = max(0.0,dot( normalDirection, lightDirection ));
                float3 directDiffuse = max( 0.0, NdotL) * attenColor;
                float node_5326 = 0.0;
                float3 diffuseColor = float3(node_5326,node_5326,node_5326);
                float3 diffuse = directDiffuse * diffuseColor;
/// Final Color:
                float3 finalColor = diffuse * _Specular.a + specular;
                return fixed4(finalColor,0);
            }
            ENDCG
        }
    }
    FallBack "Diffuse"
    CustomEditor "ShaderForgeMaterialInspector"
}