//////////////////////////////////////////////
/// 2DxFX v3 - by VETASOFT 2018 //
//////////////////////////////////////////////


//////////////////////////////////////////////

Shader "2DxFX_Extra_Shaders/CompressionTintAdditive"
{
Properties
{
[PerRendererData] _MainTex("Sprite Texture", 2D) = "white" {}
[MaterialToggle] PixelSnap ("Pixel snap", Float) = 0
Compression_Value("Compression_Value", Range(1, 16)) = 9.285
Tint_Color("Tint_Color", COLOR) = (0,0.647059,1,1)
_SpriteFade("SpriteFade", Range(0, 1)) = 1.0

// required for UI.Mask
[HideInInspector]_StencilComp("Stencil Comparison", Float) = 8
[HideInInspector]_Stencil("Stencil ID", Float) = 0
[HideInInspector]_StencilOp("Stencil Operation", Float) = 0
[HideInInspector]_StencilWriteMask("Stencil Write Mask", Float) = 255
[HideInInspector]_StencilReadMask("Stencil Read Mask", Float) = 255
[HideInInspector]_ColorMask("Color Mask", Float) = 15

}

SubShader
{

Tags {"Queue" = "Transparent" "IgnoreProjector" = "true" "RenderType" = "Transparent" "PreviewType"="Plane" "CanUseSpriteAtlas"="True" }
ZWrite Off Blend SrcAlpha One Cull Off

// required for UI.Mask
Stencil
{
Ref [_Stencil]
Comp [_StencilComp]
Pass [_StencilOp]
ReadMask [_StencilReadMask]
WriteMask [_StencilWriteMask]
}

Pass
{

CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#pragma fragmentoption ARB_precision_hint_fastest
#pragma multi_compile _ PIXELSNAP_ON
#include "UnityCG.cginc"

struct appdata_t{
float4 vertex   : POSITION;
float4 color    : COLOR;
float2 texcoord : TEXCOORD0;
};

struct v2f
{
float2 texcoord  : TEXCOORD0;
float4 vertex   : SV_POSITION;
float4 color    : COLOR;
};

sampler2D _MainTex;
float _SpriteFade;
float Compression_Value;
float4 Tint_Color;

v2f vert(appdata_t IN)
{
v2f OUT;
OUT.vertex = UnityObjectToClipPos(IN.vertex);
OUT.texcoord = IN.texcoord;
OUT.color = IN.color;
return OUT;
}


float CMPFXrng2(float2 seed)
{
return frac(sin(dot(seed * floor(50 + (_Time + 0.1) * 12.), float2(127.1, 311.7))) * 43758.5453123);
}

float CMPFXrng(float seed)
{
return CMPFXrng2(float2(seed, 1.0));
}

float4 CompressionFX(float2 uv, sampler2D source,float Value)
{
float2 blockS = floor(uv * float2(24., 19.))*4.0;
float2 blockL = floor(uv * float2(38., 14.))*4.0;
float r = CMPFXrng2(uv);
float lineNoise = pow(CMPFXrng2(blockS), 3.0) *Value* pow(CMPFXrng2(blockL), 3.0);
float4 col1 = tex2D(source, uv + float2(lineNoise * 0.02 * CMPFXrng(2.0), 0));
float4 result = float4(float3(col1.x, col1.y, col1.z), 1.0);
result.a = col1.a;
return result;
}
float4 TintRGBA(float4 txt, float4 color)
{
float3 tint = dot(txt.rgb, float3(.222, .707, .071));
tint.rgb *= color.rgb;
txt.rgb = lerp(txt.rgb,tint.rgb,color.a);
return txt;
}
float4 frag (v2f i) : COLOR
{
float4 _CompressionFX_1 = CompressionFX(i.texcoord,_MainTex,Compression_Value);
float4 TintRGBA_1 = TintRGBA(_CompressionFX_1,Tint_Color);
float4 FinalResult = TintRGBA_1;
FinalResult.rgb *= i.color.rgb;
FinalResult.a = FinalResult.a * _SpriteFade * i.color.a;
FinalResult.rgb *= FinalResult.a;
FinalResult.a = saturate(FinalResult.a);
return FinalResult;
}

ENDCG
}
}
Fallback "Sprites/Default"
}