// Upgrade NOTE: upgraded instancing buffer 'Water' to new syntax.

// Made with Amplify Shader Editor
// Available at the Unity Asset Store - http://u3d.as/y3X 
Shader "Water"
{
	Properties
	{
		_MainCol("MainCol", Color) = (0.1713243,0.4016109,0.4716981,0)
		_Tex_N1("Tex_N1", 2D) = "bump" {}
		_N1Int("N1 Int", Range( 0 , 1)) = 0.5
		_N1Size("N1 Size", Vector) = (0.1,0.1,0,0)
		_WaveSpeed("Wave Speed", Float) = 0.2
		_N1WaveDir("N1WaveDir", Vector) = (-1,0.5,0,0)
		_Tex_N2("Tex_N2", 2D) = "bump" {}
		_N2Int("N2 Int", Range( 0 , 1)) = 0.5
		_N2Size("N2 Size", Vector) = (0.1,0.1,0,0)
		_N2WaveDir("N2WaveDir", Vector) = (-1,0.5,0,0)
		_N2WaveSpeed("N2Wave Speed", Float) = 0.2
		_Smooth("Smooth", Range( 0 , 1)) = 0.4
		_Metal("Metal", Range( 0 , 1)) = 0.4
		_Opacityint("Opacity int", Range( 0 , 1)) = 0
		[HideInInspector] _texcoord( "", 2D ) = "white" {}
		[HideInInspector] __dirty( "", Int ) = 1
	}

	SubShader
	{
		Tags{ "RenderType" = "Transparent"  "Queue" = "Transparent+0" "IgnoreProjector" = "True" }
		Cull Back
		CGINCLUDE
		#include "UnityStandardUtils.cginc"
		#include "UnityShaderVariables.cginc"
		#include "UnityPBSLighting.cginc"
		#include "Lighting.cginc"
		#pragma target 3.0
		#pragma multi_compile_instancing
		#define ASE_USING_SAMPLING_MACROS 1
		#if defined(SHADER_API_D3D11) || defined(SHADER_API_XBOXONE) || defined(UNITY_COMPILER_HLSLCC) || defined(SHADER_API_PSSL) || (defined(SHADER_TARGET_SURFACE_ANALYSIS) && !defined(SHADER_TARGET_SURFACE_ANALYSIS_MOJOSHADER))//ASE Sampler Macros
		#define SAMPLE_TEXTURE2D(tex,samplerTex,coord) tex.Sample(samplerTex,coord)
		#else//ASE Sampling Macros
		#define SAMPLE_TEXTURE2D(tex,samplerTex,coord) tex2D(tex,coord)
		#endif//ASE Sampling Macros

		struct Input
		{
			float2 uv_texcoord;
		};

		UNITY_DECLARE_TEX2D_NOSAMPLER(_Tex_N1);
		uniform float _WaveSpeed;
		uniform float2 _N1WaveDir;
		SamplerState sampler_Tex_N1;
		uniform float _N1Int;
		UNITY_DECLARE_TEX2D_NOSAMPLER(_Tex_N2);
		uniform float _N2WaveSpeed;
		uniform float2 _N2WaveDir;
		SamplerState sampler_Tex_N2;
		uniform float _N2Int;
		uniform float4 _MainCol;
		uniform float _Metal;
		uniform float _Smooth;
		uniform float _Opacityint;

		UNITY_INSTANCING_BUFFER_START(Water)
			UNITY_DEFINE_INSTANCED_PROP(float2, _N1Size)
#define _N1Size_arr Water
			UNITY_DEFINE_INSTANCED_PROP(float2, _N2Size)
#define _N2Size_arr Water
		UNITY_INSTANCING_BUFFER_END(Water)

		void surf( Input i , inout SurfaceOutputStandard o )
		{
			float mulTime33 = _Time.y * _WaveSpeed;
			float2 _N1Size_Instance = UNITY_ACCESS_INSTANCED_PROP(_N1Size_arr, _N1Size);
			float2 uv_TexCoord76 = i.uv_texcoord * _N1Size_Instance;
			float2 panner75 = ( mulTime33 * _N1WaveDir + uv_TexCoord76);
			float3 tex2DNode25 = UnpackNormal( SAMPLE_TEXTURE2D( _Tex_N1, sampler_Tex_N1, panner75 ) );
			float4 appendResult144 = (float4(( tex2DNode25.r * _N1Int ) , ( tex2DNode25.g * _N1Int ) , tex2DNode25.b , 0.0));
			float mulTime85 = _Time.y * _N2WaveSpeed;
			float2 _N2Size_Instance = UNITY_ACCESS_INSTANCED_PROP(_N2Size_arr, _N2Size);
			float2 uv_TexCoord90 = i.uv_texcoord * _N2Size_Instance;
			float2 panner86 = ( mulTime85 * _N2WaveDir + uv_TexCoord90);
			float3 tex2DNode79 = UnpackNormal( SAMPLE_TEXTURE2D( _Tex_N2, sampler_Tex_N2, panner86 ) );
			float4 appendResult142 = (float4(( tex2DNode79.r * _N2Int ) , ( tex2DNode79.g * _N2Int ) , tex2DNode79.b , 0.0));
			float3 VarNormal138 = BlendNormals( appendResult144.xyz , appendResult142.xyz );
			o.Normal = VarNormal138;
			float4 VarAlbedo136 = _MainCol;
			o.Albedo = VarAlbedo136.rgb;
			o.Metallic = _Metal;
			o.Smoothness = _Smooth;
			o.Alpha = _Opacityint;
		}

		ENDCG
		CGPROGRAM
		#pragma surface surf Standard alpha:fade keepalpha fullforwardshadows 

		ENDCG
		Pass
		{
			Name "ShadowCaster"
			Tags{ "LightMode" = "ShadowCaster" }
			ZWrite On
			CGPROGRAM
			#pragma vertex vert
			#pragma fragment frag
			#pragma target 3.0
			#pragma multi_compile_shadowcaster
			#pragma multi_compile UNITY_PASS_SHADOWCASTER
			#pragma skip_variants FOG_LINEAR FOG_EXP FOG_EXP2
			#include "HLSLSupport.cginc"
			#if ( SHADER_API_D3D11 || SHADER_API_GLCORE || SHADER_API_GLES || SHADER_API_GLES3 || SHADER_API_METAL || SHADER_API_VULKAN )
				#define CAN_SKIP_VPOS
			#endif
			#include "UnityCG.cginc"
			#include "Lighting.cginc"
			#include "UnityPBSLighting.cginc"
			sampler3D _DitherMaskLOD;
			struct v2f
			{
				V2F_SHADOW_CASTER;
				float2 customPack1 : TEXCOORD1;
				float3 worldPos : TEXCOORD2;
				float4 tSpace0 : TEXCOORD3;
				float4 tSpace1 : TEXCOORD4;
				float4 tSpace2 : TEXCOORD5;
				UNITY_VERTEX_INPUT_INSTANCE_ID
				UNITY_VERTEX_OUTPUT_STEREO
			};
			v2f vert( appdata_full v )
			{
				v2f o;
				UNITY_SETUP_INSTANCE_ID( v );
				UNITY_INITIALIZE_OUTPUT( v2f, o );
				UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO( o );
				UNITY_TRANSFER_INSTANCE_ID( v, o );
				Input customInputData;
				float3 worldPos = mul( unity_ObjectToWorld, v.vertex ).xyz;
				half3 worldNormal = UnityObjectToWorldNormal( v.normal );
				half3 worldTangent = UnityObjectToWorldDir( v.tangent.xyz );
				half tangentSign = v.tangent.w * unity_WorldTransformParams.w;
				half3 worldBinormal = cross( worldNormal, worldTangent ) * tangentSign;
				o.tSpace0 = float4( worldTangent.x, worldBinormal.x, worldNormal.x, worldPos.x );
				o.tSpace1 = float4( worldTangent.y, worldBinormal.y, worldNormal.y, worldPos.y );
				o.tSpace2 = float4( worldTangent.z, worldBinormal.z, worldNormal.z, worldPos.z );
				o.customPack1.xy = customInputData.uv_texcoord;
				o.customPack1.xy = v.texcoord;
				o.worldPos = worldPos;
				TRANSFER_SHADOW_CASTER_NORMALOFFSET( o )
				return o;
			}
			half4 frag( v2f IN
			#if !defined( CAN_SKIP_VPOS )
			, UNITY_VPOS_TYPE vpos : VPOS
			#endif
			) : SV_Target
			{
				UNITY_SETUP_INSTANCE_ID( IN );
				Input surfIN;
				UNITY_INITIALIZE_OUTPUT( Input, surfIN );
				surfIN.uv_texcoord = IN.customPack1.xy;
				float3 worldPos = IN.worldPos;
				half3 worldViewDir = normalize( UnityWorldSpaceViewDir( worldPos ) );
				SurfaceOutputStandard o;
				UNITY_INITIALIZE_OUTPUT( SurfaceOutputStandard, o )
				surf( surfIN, o );
				#if defined( CAN_SKIP_VPOS )
				float2 vpos = IN.pos;
				#endif
				half alphaRef = tex3D( _DitherMaskLOD, float3( vpos.xy * 0.25, o.Alpha * 0.9375 ) ).a;
				clip( alphaRef - 0.01 );
				SHADOW_CASTER_FRAGMENT( IN )
			}
			ENDCG
		}
	}
	Fallback "Diffuse"
	CustomEditor "ASEMaterialInspector"
}
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