Shader "Ciconia Studio/Effects/Highlight/Outline Transparent" {
    Properties {
        [Space(25)]_OutlineColor ("Outline Color", Color) = (1,1,1,1)
        _Outline ("Outline", Range(0, 0.1)) = 0.01
    }
    SubShader {
        Tags {
            "Queue"="Transparent+1"
            "RenderType"="Opaque"
        }
        GrabPass{ }
        Pass {
            Name "Outline"
            Tags {
            }
            Cull Front
            
            CGPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            #include "UnityCG.cginc"
            #pragma fragmentoption ARB_precision_hint_fastest
            #pragma multi_compile_shadowcaster
            #pragma multi_compile_fog
            #pragma only_renderers d3d9 d3d11 glcore gles gles3 metal d3d11_9x xboxone ps4 psp2 n3ds wiiu 
            #pragma target 3.0
            uniform float4 _OutlineColor;
            uniform float _Outline;
            struct VertexInput {
                float4 vertex : POSITION;
                float3 normal : NORMAL;
                float4 vertexColor : COLOR;
            };
            struct VertexOutput {
                float4 pos : SV_POSITION;
                float4 vertexColor : COLOR;
                UNITY_FOG_COORDS(0)
            };
            VertexOutput vert (VertexInput v) {
                VertexOutput o = (VertexOutput)0;
                o.pos = UnityObjectToClipPos( float4(v.vertex.xyz + v.vertexColor*_Outline,1) );
                UNITY_TRANSFER_FOG(o,o.pos);
                return o;
            }
            float4 frag(VertexOutput i, float facing : VFACE) : COLOR {
                float isFrontFace = ( facing >= 0 ? 1 : 0 );
                float faceSign = ( facing >= 0 ? 1 : -1 );
                return fixed4(_OutlineColor.rgb,0);
            }
            ENDCG
        }
        Pass {
            Name "FORWARD"
            Tags {
                "LightMode"="ForwardBase"
            }
            Cull Off
            
            
            CGPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            #include "UnityCG.cginc"
            #pragma multi_compile_fwdbase_fullshadows
            #pragma multi_compile_fog
            #pragma only_renderers d3d9 d3d11 glcore gles gles3 metal d3d11_9x xboxone ps4 psp2 n3ds wiiu 
            #pragma target 3.0
            uniform sampler2D _GrabTexture;
            struct VertexInput {
                float4 vertex : POSITION;
            };
            struct VertexOutput {
                float4 pos : SV_POSITION;
                float4 projPos : TEXCOORD0;
                UNITY_FOG_COORDS(1)
            };
            VertexOutput vert (VertexInput v) {
                VertexOutput o = (VertexOutput)0;
                o.pos = UnityObjectToClipPos( v.vertex );
                UNITY_TRANSFER_FOG(o,o.pos);
                o.projPos = ComputeScreenPos (o.pos);
                COMPUTE_EYEDEPTH(o.projPos.z);
                return o;
            }
            float4 frag(VertexOutput i, float facing : VFACE) : COLOR {
                float isFrontFace = ( facing >= 0 ? 1 : 0 );
                float faceSign = ( facing >= 0 ? 1 : -1 );
                float2 sceneUVs = (i.projPos.xy / i.projPos.w);
                float4 sceneColor = tex2D(_GrabTexture, sceneUVs);
////// Lighting:
                float3 finalColor = tex2D( _GrabTexture, sceneUVs.rg).rgb;
                fixed4 finalRGBA = fixed4(finalColor,1);
                UNITY_APPLY_FOG(i.fogCoord, finalRGBA);
                return finalRGBA;
            }
            ENDCG
        }
        Pass {
            Name "ShadowCaster"
            Tags {
                "LightMode"="ShadowCaster"
            }
            Offset 1, 1
            Cull Off
            
            CGPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            #include "UnityCG.cginc"
            #include "Lighting.cginc"
            #pragma fragmentoption ARB_precision_hint_fastest
            #pragma multi_compile_shadowcaster
            #pragma multi_compile_fog
            #pragma only_renderers d3d9 d3d11 glcore gles gles3 metal d3d11_9x xboxone ps4 psp2 n3ds wiiu 
            #pragma target 3.0
            struct VertexInput {
                float4 vertex : POSITION;
            };
            struct VertexOutput {
                V2F_SHADOW_CASTER;
            };
            VertexOutput vert (VertexInput v) {
                VertexOutput o = (VertexOutput)0;
                o.pos = UnityObjectToClipPos( v.vertex );
                TRANSFER_SHADOW_CASTER(o)
                return o;
            }
            float4 frag(VertexOutput i, float facing : VFACE) : COLOR {
                float isFrontFace = ( facing >= 0 ? 1 : 0 );
                float faceSign = ( facing >= 0 ? 1 : -1 );
                SHADOW_CASTER_FRAGMENT(i)
            }
            ENDCG
        }
    }
    FallBack "Diffuse"
}