// Crest Water System
// Copyright © 2024 Wave Harmonic. All rights reserved.

Shader "Hidden/Crest/Editor/WaterProxy"
{
    SubShader
    {
        Tags { "RenderType"="Transparent" "Queue"="Transparent"}
        Blend SrcAlpha OneMinusSrcAlpha
        ZWrite Off
        Cull Off

        Pass
        {
            CGPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            // make fog work
            #pragma multi_compile_fog

            #include "UnityCG.cginc"

            struct appdata
            {
                float4 vertex : POSITION;
                float2 uv : TEXCOORD0;
            };

            struct v2f
            {
                UNITY_FOG_COORDS(1)
                float4 vertex : SV_POSITION;
            };

            v2f vert (appdata v)
            {
                v2f o;
                o.vertex = UnityObjectToClipPos(v.vertex);
                UNITY_TRANSFER_FOG(o, o.vertex);
                return o;
            }

            fixed4 frag (v2f i) : SV_Target
            {
                fixed4 col = fixed4(0.0, 0.3, 1.0, 0.5);

                // apply fog
                UNITY_APPLY_FOG(i.fogCoord, col);

                return col;
            }
            ENDCG
        }
    }
}