Add TRX reverb support

Installer/Changes.txt

@@ -7,6 +7,7 @@ Tomb Editor:
  * Added Flyby Timeline control to edit and preview flyby sequences.
  * Added "Preview flyby sequence" and "Preview camera" context menus for cameras.
  * Added On Pickup, On Vehicle Enter and On Vehicle Exit global events in the global event set editor.
+ * Added support for room reverb in TRX.
 
 WadTool:
  * Added missing TR2 henchman death sound (ID 838) and appropriate TR2 -> TEN conversion.

TombLib/TombLib/LevelData/Compilers/Trx.cs

@@ -44,6 +44,11 @@ private IEnumerable<TrxSectorEdit> GenerateTrxSectorEdits()
     {
         foreach (var (teRoom, trRoom) in _tempRooms)
         {
+            if (GetRoomPropertyEntry(teRoom, trRoom) is TRXRoomPropertyEntry roomEntry)
+            {
+                yield return roomEntry;
+            }
+
             for (ushort x = 1; x < teRoom.NumXSectors - 1; x++)
             {
                 for (ushort z = 1; z < teRoom.NumZSectors - 1; z++)
@@ -65,6 +70,21 @@ private IEnumerable<TrxSectorEdit> GenerateTrxSectorEdits()
         }
     }
 
+    private TRXRoomPropertyEntry GetRoomPropertyEntry(Room teRoom, tr_room trRoom)
+    {
+        if (teRoom.Properties.Reverberation == 0)
+        {
+            return null;
+        }
+
+        return new()
+        {
+            RoomIndex = (short)_roomRemapping[teRoom],
+            Flags = trRoom.Flags,
+            ReverbInfo = teRoom.Properties.Reverberation,
+        };
+    }
+
     private TrxSectorOverwrite GetSectorOverwrite(Room teRoom, tr_room trRoom, ushort x, ushort z)
     {
         var teSector = teRoom.Sectors[x, z];

TombLib/TombLib/LevelData/Compilers/Util/TrxInjector.cs

@@ -10,7 +10,7 @@ namespace TombLib.LevelData.Compilers.Util;
 public static class TrxInjector
 {
     private const uint _magic = 'T' | 'R' << 8 | 'X' << 16 | 'J' << 24;
-    private const uint _version = 6;
+    private const uint _version = 8;
     private const uint _injectionType = 0; // Implies no link to a TRX config option
 
     public static void Serialize(TrxInjectionData data, BinaryWriterEx outWriter)
@@ -239,6 +239,20 @@ protected override void SerializeImpl(BinaryWriterEx writer)
     }
 }
 
+public class TRXRoomPropertyEntry : TrxSectorEdit
+{
+    public override int Command => 5;
+
+    public short Flags { get; set; }
+    public byte ReverbInfo { get; set; }
+
+    protected override void SerializeImpl(BinaryWriterEx writer)
+    {
+        writer.Write(Flags);
+        writer.Write(ReverbInfo);
+    }
+}
+
 public class TrxTextureOverwrite
 {
     public ushort Page { get; set; }

TombLib/TombLib/LevelData/Enumerations.cs

@@ -56,7 +56,7 @@ public static bool SupportsFontAndSkySettings(this Game ver)
             => ver.Native() >= Game.TR4;
 
         public static bool SupportsReverberation(this Game ver)
-            => ver.Native() >= Game.TR3;
+            => ver >= Game.TR3;
 
         public static bool SupportsLensflare(this Game ver)
             => ver.Native() >= Game.TR4;