From 39066900773e7857faf2d02e7ed51b71d219d97d Mon Sep 17 00:00:00 2001
From: godosa <godosa@godosa.eu>
Date: Tue, 6 Oct 2026 23:39:36 +0200
Subject: godosa-engine: initial public history

---
 src/Godosa.Core/Diagnostics/DebugFlags.cs | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 src/Godosa.Core/Diagnostics/DebugFlags.cs

(limited to 'src/Godosa.Core/Diagnostics/DebugFlags.cs')

diff --git a/src/Godosa.Core/Diagnostics/DebugFlags.cs b/src/Godosa.Core/Diagnostics/DebugFlags.cs
new file mode 100644
index 0000000..27b63bf
--- /dev/null
+++ b/src/Godosa.Core/Diagnostics/DebugFlags.cs
@@ -0,0 +1,20 @@
+namespace Godosa.Core.Diagnostics;
+
+/// <summary>Opt-in debug categories from one environment value: a comma list,
+/// case-insensitive; <c>all</c> turns on every category but not <see cref="Exact"/>
+/// switches (perf experiments like <c>nohud</c>).</summary>
+public sealed class DebugFlags
+{
+    private readonly string[] _names;
+
+    public DebugFlags(string? value) =>
+        _names = (value ?? "").Split(',', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
+
+    public bool On(string category) =>
+        Array.Exists(_names, n =>
+            n.Equals(category, StringComparison.OrdinalIgnoreCase) ||
+            n.Equals("all", StringComparison.OrdinalIgnoreCase));
+
+    public bool Exact(string name) =>
+        Array.Exists(_names, n => n.Equals(name, StringComparison.OrdinalIgnoreCase));
+}
-- 
cgit