Shader "ASESampleShaders/MultiPassDistortion"
{
	Properties
	{
		_DistortionAmount("Distortion Amount", Range( 0 , 0.1)) = 0.292
		_DepthFadeDistance("Depth Fade Distance", Float) = 0
		_TextureSample1("Texture Sample 1", 2D) = "bump" {}
		_TimeScale("Time Scale", Float) = 0
		_ForcefieldTint("Forcefield Tint", Color) = (0,0,0,0)
		_IntersectionColor("Intersection Color", Color) = (0.4338235,0.4377282,1,0)
		_FresnelPower("Fresnel Power", Float) = 0
		_FresnelScale("Fresnel Scale", Float) = 0

	}
	
	SubShader
	{
		LOD 0

		Tags { "RenderType"="Transparent" "Queue"="Transparent" }
		
		Pass
		{
			
			Name "First Pass"
			CGINCLUDE
			#pragma target 3.0
			ENDCG
			Blend SrcAlpha OneMinusSrcAlpha
			AlphaToMask Off
			Cull Off
			ColorMask RGBA
			ZWrite Off
			ZTest LEqual
			Offset 0 , 0
			
			CGPROGRAM
			
			#pragma vertex vert
			#pragma fragment frag
			#include "UnityCG.cginc"
			

			struct appdata
			{
				float4 vertex : POSITION;
				UNITY_VERTEX_INPUT_INSTANCE_ID
				
			};
			
			struct v2f
			{
				float4 vertex : SV_POSITION;
				UNITY_VERTEX_OUTPUT_STEREO
				float4 ase_texcoord : TEXCOORD0;
			};

			uniform float4 _IntersectionColor;
			UNITY_DECLARE_DEPTH_TEXTURE( _CameraDepthTexture );
			uniform float4 _CameraDepthTexture_TexelSize;
			uniform float _DepthFadeDistance;

			
			v2f vert ( appdata v )
			{
				v2f o;
				UNITY_SETUP_INSTANCE_ID(v);
				UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
				float4 ase_clipPos = UnityObjectToClipPos(v.vertex);
				float4 screenPos = ComputeScreenPos(ase_clipPos);
				o.ase_texcoord = screenPos;
				
				
				v.vertex.xyz +=  float3(0,0,0) ;
				o.vertex = UnityObjectToClipPos(v.vertex);
				return o;
			}
			
			fixed4 frag (v2f i ) : SV_Target
			{
				fixed4 finalColor;
				float4 IntersectionColor184 = _IntersectionColor;
				float4 screenPos = i.ase_texcoord;
				float4 ase_screenPosNorm = screenPos / screenPos.w;
				ase_screenPosNorm.z = ( UNITY_NEAR_CLIP_VALUE >= 0 ) ? ase_screenPosNorm.z : ase_screenPosNorm.z * 0.5 + 0.5;
				float screenDepth146 = LinearEyeDepth(SAMPLE_DEPTH_TEXTURE( _CameraDepthTexture, ase_screenPosNorm.xy ));
				float distanceDepth146 = abs( ( screenDepth146 - LinearEyeDepth( ase_screenPosNorm.z ) ) / ( _DepthFadeDistance ) );
				float SaturatedDepthFade186 = saturate( distanceDepth146 );
				float4 appendResult143 = (float4((IntersectionColor184).rgb , ( 1.0 - SaturatedDepthFade186 )));
				
				
				finalColor = appendResult143;
				return finalColor;
			}
			ENDCG
		}

		GrabPass{ }

		Pass
		{
			Name "Second Pass"
			
			CGINCLUDE
			#pragma target 3.0
			ENDCG
			Blend SrcAlpha OneMinusSrcAlpha
			AlphaToMask Off
			Cull Back
			ColorMask RGBA
			ZWrite On
			ZTest LEqual
			Offset 0 , 0
			
			CGPROGRAM
			#if defined(UNITY_STEREO_INSTANCING_ENABLED) || defined(UNITY_STEREO_MULTIVIEW_ENABLED)
			#define ASE_DECLARE_SCREENSPACE_TEXTURE(tex) UNITY_DECLARE_SCREENSPACE_TEXTURE(tex);
			#else
			#define ASE_DECLARE_SCREENSPACE_TEXTURE(tex) UNITY_DECLARE_SCREENSPACE_TEXTURE(tex)
			#endif

			#pragma vertex vert
			#pragma fragment frag
			#include "UnityCG.cginc"
			#include "UnityShaderVariables.cginc"
			#include "UnityStandardUtils.cginc"


			struct appdata
			{
				float4 vertex : POSITION;
				UNITY_VERTEX_INPUT_INSTANCE_ID
				float4 ase_texcoord : TEXCOORD0;
				float3 ase_normal : NORMAL;
			};
			
			struct v2f
			{
				float4 vertex : SV_POSITION;
				UNITY_VERTEX_OUTPUT_STEREO
				float4 ase_texcoord : TEXCOORD0;
				float4 ase_texcoord1 : TEXCOORD1;
				float4 ase_texcoord2 : TEXCOORD2;
				float4 ase_texcoord3 : TEXCOORD3;
			};

			ASE_DECLARE_SCREENSPACE_TEXTURE( _GrabTexture )
			uniform sampler2D _TextureSample1;
			uniform float _TimeScale;
			uniform float _DistortionAmount;
			uniform float4 _ForcefieldTint;
			uniform float4 _IntersectionColor;
			uniform float _FresnelScale;
			uniform float _FresnelPower;
			UNITY_DECLARE_DEPTH_TEXTURE( _CameraDepthTexture );
			uniform float4 _CameraDepthTexture_TexelSize;
			uniform float _DepthFadeDistance;
			inline float4 ASE_ComputeGrabScreenPos( float4 pos )
			{
				#if UNITY_UV_STARTS_AT_TOP
				float scale = -1.0;
				#else
				float scale = 1.0;
				#endif
				float4 o = pos;
				o.y = pos.w * 0.5f;
				o.y = ( pos.y - o.y ) * _ProjectionParams.x * scale + o.y;
				return o;
			}
			

			
			v2f vert ( appdata v )
			{
				v2f o;
				UNITY_SETUP_INSTANCE_ID(v);
				UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
				float4 ase_clipPos = UnityObjectToClipPos(v.vertex);
				float4 screenPos = ComputeScreenPos(ase_clipPos);
				o.ase_texcoord1 = screenPos;
				float3 ase_worldPos = mul(unity_ObjectToWorld, v.vertex).xyz;
				o.ase_texcoord2.xyz = ase_worldPos;
				float3 ase_worldNormal = UnityObjectToWorldNormal(v.ase_normal);
				o.ase_texcoord3.xyz = ase_worldNormal;
				
				o.ase_texcoord.xy = v.ase_texcoord.xy;
				
				//setting value to unused interpolator channels and avoid initialization warnings
				o.ase_texcoord.zw = 0;
				o.ase_texcoord2.w = 0;
				o.ase_texcoord3.w = 0;
				
				v.vertex.xyz +=  float3(0,0,0) ;
				o.vertex = UnityObjectToClipPos(v.vertex);
				return o;
			}
			
			fixed4 frag (v2f i ) : SV_Target
			{
				fixed4 finalColor;
				float2 uv0160 = i.ase_texcoord.xy * float2( 1,1 ) + float2( 0,0 );
				float mulTime169 = _Time.y * _TimeScale;
				float cos162 = cos( mulTime169 );
				float sin162 = sin( mulTime169 );
				float2 rotator162 = mul( uv0160 - float2( 0.5,0.5 ) , float2x2( cos162 , -sin162 , sin162 , cos162 )) + float2( 0.5,0.5 );
				float4 screenPos = i.ase_texcoord1;
				float4 ase_grabScreenPos = ASE_ComputeGrabScreenPos( screenPos );
				float4 ase_grabScreenPosNorm = ase_grabScreenPos / ase_grabScreenPos.w;
				float4 screenColor151 = UNITY_SAMPLE_SCREENSPACE_TEXTURE(_GrabTexture,( float4( UnpackScaleNormal( tex2D( _TextureSample1, rotator162 ), _DistortionAmount ) , 0.0 ) + ase_grabScreenPosNorm ).xy);
				float4 IntersectionColor184 = _IntersectionColor;
				float3 ase_worldPos = i.ase_texcoord2.xyz;
				float3 ase_worldViewDir = UnityWorldSpaceViewDir(ase_worldPos);
				ase_worldViewDir = normalize(ase_worldViewDir);
				float3 ase_worldNormal = i.ase_texcoord3.xyz;
				float fresnelNdotV175 = dot( ase_worldNormal, ase_worldViewDir );
				float fresnelNode175 = ( 0.0 + _FresnelScale * pow( 1.0 - fresnelNdotV175, _FresnelPower ) );
				float4 lerpResult179 = lerp( ( float4( (screenColor151).rgb , 0.0 ) * _ForcefieldTint ) , ( IntersectionColor184 * fresnelNode175 ) , fresnelNode175);
				float4 ase_screenPosNorm = screenPos / screenPos.w;
				ase_screenPosNorm.z = ( UNITY_NEAR_CLIP_VALUE >= 0 ) ? ase_screenPosNorm.z : ase_screenPosNorm.z * 0.5 + 0.5;
				float screenDepth146 = LinearEyeDepth(SAMPLE_DEPTH_TEXTURE( _CameraDepthTexture, ase_screenPosNorm.xy ));
				float distanceDepth146 = abs( ( screenDepth146 - LinearEyeDepth( ase_screenPosNorm.z ) ) / ( _DepthFadeDistance ) );
				float SaturatedDepthFade186 = saturate( distanceDepth146 );
				float4 appendResult154 = (float4((lerpResult179).rgb , SaturatedDepthFade186));
				
				
				finalColor = appendResult154;
				return finalColor;
			}
			ENDCG
		}
	}
	CustomEditor "ASEMaterialInspector"
	
	
}