// Flat colour for markers (team rings, health bars, tower bolts): Godot's unshaded materials.
// _ZTest 8 (Always) draws on top like Godot's no_depth_test health bars.
Shader "Luneraria/Unlit"
{
    Properties
    {
        [HDR] _Color("Colour", Color) = (1, 1, 1, 1)
        [Enum(UnityEngine.Rendering.CompareFunction)] _ZTest("Z Test", Float) = 4
        [Enum(UnityEngine.Rendering.CullMode)] _Cull("Cull", Float) = 0
    }
    SubShader
    {
        Tags { "RenderType" = "Transparent" "RenderPipeline" = "UniversalPipeline" "Queue" = "Transparent+10" }
        Pass
        {
            Name "Unlit"
            Tags { "LightMode" = "UniversalForward" }
            Blend SrcAlpha OneMinusSrcAlpha
            ZWrite Off
            ZTest [_ZTest]
            Cull [_Cull]
            HLSLPROGRAM
            #pragma vertex Vert
            #pragma fragment Frag
            #pragma multi_compile_instancing
            #include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
            CBUFFER_START(UnityPerMaterial)
                half4 _Color;
                float _ZTest;
                float _Cull;
            CBUFFER_END
            struct Attributes { float4 positionOS : POSITION; UNITY_VERTEX_INPUT_INSTANCE_ID };
            struct Varyings { float4 positionCS : SV_POSITION; };
            Varyings Vert(Attributes input)
            {
                UNITY_SETUP_INSTANCE_ID(input);
                Varyings output;
                output.positionCS = TransformObjectToHClip(input.positionOS.xyz);
                return output;
            }
            half4 Frag(Varyings input) : SV_Target { return _Color; }
            ENDHLSL
        }
    }
}