Shader "AibisDream/HuoshanMemory"
{
    Properties
    {
        [PerRendererData] _MainTex("Sprite Texture", 2D) = "white" {}
        _Color("Tint", Color) = (1,1,1,1)
        _Saturation("Saturation", Range(0, 2)) = 1
        _Brightness("Brightness", Range(0, 2)) = 1
        _Contrast("Contrast", Range(0, 2)) = 1
        _Vignette("Vignette", Range(0, 1)) = 0
        _Noise("Noise", Range(0, 1)) = 0
        _SimGlitch("Simulation Glitch", Range(0, 1)) = 0
        _HorizontalTear("Horizontal Tear", Range(0, 1)) = 0
        _Impact("Transient Memory Impact", Range(0, 1)) = 0
        _Damage("Accumulated Memory Damage", Range(0, 1)) = 0
        _Overdrive("Slot Machine Overdrive", Range(0, 1)) = 0
        _TearSeed("Tear Seed", Range(0, 1)) = 0
        _ColorTint("Memory Color Tint", Color) = (1,1,1,1)
        _CalmCenter("Calm Center", Vector) = (0.5,0.5,0,0)
        _CalmRadius("Calm Radius", Range(0, 1.5)) = 0
        _CalmFeather("Calm Feather", Range(0.001, 1)) = 0.2
        _EffectStrength("Effect Strength", Range(0, 1)) = 0
        _Opacity("Opacity", Range(0, 1)) = 0

        // 常驻层只模拟旧投影的轻微漂移、曝光呼吸与扫描暗纹。
        [Header(Memory Projection Layer)]
        _AnalogGlitch("Projection Instability", Range(0, 1)) = 0.18
        _AnalogScale("Scanline Softness", Range(0.25, 6)) = 2.2
        _AnalogChroma("Subpixel Chroma", Range(0, 2)) = 0.25
    }

    SubShader
    {
        Tags
        {
            "Queue" = "Transparent"
            "RenderType" = "Transparent"
            "RenderPipeline" = "UniversalPipeline"
            "IgnoreProjector" = "True"
            "CanUseSpriteAtlas" = "True"
        }

        Cull Off
        ZWrite Off
        Blend SrcAlpha OneMinusSrcAlpha

        Pass
        {
            Name "HuoshanMemory"
            Tags { "LightMode" = "Universal2D" }

            HLSLPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            #pragma target 3.0
            #include "HuoshanMemory.hlsl"
            ENDHLSL
        }

        // VolFx huoshan（LayerMask=HuoshanScreen）只抽 SRPDefaultUnlit / UniversalForward*，
        // 没有这一 pass 时记忆进不了电视合成层。
        Pass
        {
            Name "HuoshanMemoryUnlit"
            Tags { "LightMode" = "SRPDefaultUnlit" }

            HLSLPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            #pragma target 3.0
            #include "HuoshanMemory.hlsl"
            ENDHLSL
        }
    }

    Fallback "Sprites/Default"
}