build: rename repository folder ChatTwo to HellionChat

Repository folder, csproj, solution and all CI/build paths now use the consolidated HellionChat name. - ChatTwo/ → HellionChat/ (git mv preserves history with --follow) - ChatTwo.csproj → HellionChat.csproj - ChatTwo.sln → HellionChat.sln; obsolete Tests project entry removed (private/untracked sandbox) - AssemblyInfo.cs InternalsVisibleTo for ChatTwo.Tests removed (file emptied; can be repopulated when actual tests land) - repo.json and yaml image URLs updated (ChatTwo/images/ → HellionChat/images/) - .github/workflows/{build,codeql,release}.yml csproj paths - .github/dependabot.yml directory path Functional behavior unchanged.
2026-05-03 21:30:07 +02:00
parent cd6afb32cb
commit 1f7f0945c5
114 changed files with 18 additions and 25 deletions
@@ -0,0 +1,67 @@
+namespace HellionChat.Util;
+
+public class ColorPayload
+{
+    private const byte StartByte = 2;
+
+    public bool Enabled;
+    public uint Color;
+    public uint UnshiftedColor;
+
+    public static ColorPayload? From(byte[] data)
+    {
+        using var stream = new MemoryStream(data);
+        if (stream.ReadByte() != StartByte || stream.ReadByte() != 0x13)
+            return null;
+
+        stream.ReadByte(); // skip the length byte;
+
+        var typeByte = stream.ReadByte();
+        var payload = new ColorPayload();
+        switch (typeByte)
+        {
+            case 0xEC:
+                payload.Enabled = false;
+                return payload;
+            case 0xE9:
+                var param = stream.ReadByte();
+                var globalValue = (uint) GlobalParametersCache.GetValue(param - 2);
+                payload.Enabled = true;
+                payload.UnshiftedColor = globalValue;
+                payload.Color = ColourUtil.ArgbToRgba(globalValue);
+
+                return payload;
+            case >= 0xF0 and <= 0xFE:
+                // From: https://github.com/NotAdam/Lumina/blob/master/src/Lumina/Text/Expressions/IntegerExpression.cs#L119-L128
+                uint ShiftAndThrowIfZero(int v, int shift)
+                {
+                    return v switch
+                    {
+                        // ReSharper disable once LocalizableElement
+                        -1 => throw new ArgumentException("Encountered premature end of input (unexpected EOF).", nameof(v)),
+                        // ReSharper disable once LocalizableElement
+                        0 => throw new ArgumentException("Encountered premature end of input (unexpected null character).", nameof(v)),
+                        _ => (uint)v << shift
+                    };
+                }
+
+                typeByte += 1;
+                var argbValue = 0u;
+                if ((typeByte & 8) != 0)
+                    argbValue |= ShiftAndThrowIfZero(stream.ReadByte(), 24);
+                else
+                    argbValue |= 0xff000000u;
+
+                if( (typeByte & 4) != 0 ) argbValue |= ShiftAndThrowIfZero( stream.ReadByte(), 16 );
+                if( (typeByte & 2) != 0 ) argbValue |= ShiftAndThrowIfZero( stream.ReadByte(), 8 );
+                if( (typeByte & 1) != 0 ) argbValue |= ShiftAndThrowIfZero( stream.ReadByte(), 0 );
+
+                payload.Enabled = true;
+                payload.Color = ColourUtil.ArgbToRgba(argbValue);
+
+                return payload;
+            default:
+                return null;
+        }
+    }
+}