feat: support emphasis

Plugin.cs

@@ -1,4 +1,6 @@
 using System.Runtime.InteropServices;
+using System.Text;
+using System.Text.RegularExpressions;
 using Dalamud.Game.Text.SeStringHandling;
 using Dalamud.Game.Text.SeStringHandling.Payloads;
 using Dalamud.Hooking;
@@ -12,7 +14,7 @@ using YamlDotNet.Serialization.NamingConventions;
 
 namespace TimePasses;
 
-public class Plugin : IDalamudPlugin {
+public sealed class Plugin : IDalamudPlugin {
     [PluginService]
     internal static IPluginLog Log { get; set; }
 
@@ -61,7 +63,7 @@ public class Plugin : IDalamudPlugin {
             await this.Mutex.WaitAsync();
             try {
                 this.Data = Plugin.Deserializer.Deserialize<DataFile>(yaml);
-                this.ReplacementPointers.Clear();
+                this.ResetReplacementPointers();
             } finally {
                 this.Mutex.Release();
             }
@@ -72,11 +74,7 @@ public class Plugin : IDalamudPlugin {
         this.GetBalloonRowHook?.Dispose();
         this.Client.Dispose();
         this.Mutex.Dispose();
-        foreach (var (_, ptr) in this.ReplacementPointers) {
-            Marshal.FreeHGlobal(ptr);
-        }
-
-        this.ReplacementPointers.Clear();
+        this.ResetReplacementPointers();
     }
 
     private nint GetBalloonRowDetour(uint rowId) {
@@ -121,13 +119,47 @@ public class Plugin : IDalamudPlugin {
         var lines = text
             .ReplaceLineEndings("\n")
             .Split('\n');
+        var sb = new StringBuilder();
         var seStringBuilder = new SeStringBuilder();
         for (var i = 0; i < lines.Length; i++) {
             if (i != 0) {
                 seStringBuilder.Add(NewLinePayload.Payload);
             }
 
-            seStringBuilder.AddText(lines[i].TrimEnd());
+            var line = lines[i]
+                .TrimEnd()
+                .Replace("<em>", Markers.EmphasisOn.ToString())
+                .Replace("</em>", Markers.EmphasisOff.ToString());
+
+            void Append() {
+                if (sb.Length == 0) {
+                    return;
+                }
+
+                seStringBuilder.AddText(sb.ToString());
+                sb.Clear();
+            }
+
+            foreach (var ch in lines[i].TrimEnd()) {
+                switch (ch) {
+                    case Markers.EmphasisOn: {
+                        Append();
+                        seStringBuilder.AddItalicsOn();
+                        break;
+                    }
+                    case Markers.EmphasisOff: {
+                        Append();
+                        seStringBuilder.AddItalicsOff();
+                        break;
+                    }
+                    default: {
+                        sb.Append(ch);
+                        break;
+                    }
+                }
+            }
+
+            Append();
         }
 
         var textBytes = seStringBuilder.Encode();
@@ -150,6 +182,14 @@ public class Plugin : IDalamudPlugin {
             }
         }
     }
+
+    private void ResetReplacementPointers() {
+        foreach (var (_, ptr) in this.ReplacementPointers) {
+            Marshal.FreeHGlobal(ptr);
+        }
+
+        this.ReplacementPointers.Clear();
+    }
 }
 
 [Serializable]
@@ -162,3 +202,8 @@ internal class DataFile {
 public class Definitions {
     public uint[] Quests { get; init; }
 }
+
+internal static class Markers {
+    internal const char EmphasisOn = '\uf000';
+    internal const char EmphasisOff = '\uf001';
+}

replacements.yaml

@@ -86,7 +86,7 @@ replacements:
           greaterThan: 49
           text: |-
             Bet beasties never
-            give you any trouble.
+            give <em>you</em> any trouble.
       - level:
           greaterThan: 29
           text: |-