feat: add reply in selected chat mode

ChatTwo/Chunk.cs

@@ -4,6 +4,7 @@ using Dalamud.Game.Text.SeStringHandling;
 namespace ChatTwo;
 
 internal abstract class Chunk {
+    internal Message? Message { get; set; }
     internal SeString? Source { get; set; }
     internal Payload? Link { get; set; }
 

ChatTwo/Code/ChatTypeExt.cs

@@ -3,7 +3,7 @@ using ChatTwo.Util;
 namespace ChatTwo.Code;
 
 internal static class ChatTypeExt {
-    internal static string? Name(this ChatType type) {
+    internal static string Name(this ChatType type) {
         return type switch {
             ChatType.Debug => "Debug",
             ChatType.Urgent => "Urgent",
@@ -206,4 +206,33 @@ internal static class ChatTypeExt {
                 return null;
         }
     }
+
+    internal static InputChannel? ToInputChannel(this ChatType type) => type switch {
+        ChatType.TellOutgoing => InputChannel.Tell,
+        ChatType.Say => InputChannel.Say,
+        ChatType.Party => InputChannel.Party,
+        ChatType.Alliance => InputChannel.Alliance,
+        ChatType.Yell => InputChannel.Yell,
+        ChatType.Shout => InputChannel.Shout,
+        ChatType.FreeCompany => InputChannel.FreeCompany,
+        ChatType.PvpTeam => InputChannel.PvpTeam,
+        ChatType.NoviceNetwork => InputChannel.NoviceNetwork,
+        ChatType.CrossLinkshell1 => InputChannel.CrossLinkshell1,
+        ChatType.CrossLinkshell2 => InputChannel.CrossLinkshell2,
+        ChatType.CrossLinkshell3 => InputChannel.CrossLinkshell3,
+        ChatType.CrossLinkshell4 => InputChannel.CrossLinkshell4,
+        ChatType.CrossLinkshell5 => InputChannel.CrossLinkshell5,
+        ChatType.CrossLinkshell6 => InputChannel.CrossLinkshell6,
+        ChatType.CrossLinkshell7 => InputChannel.CrossLinkshell7,
+        ChatType.CrossLinkshell8 => InputChannel.CrossLinkshell8,
+        ChatType.Linkshell1 => InputChannel.Linkshell1,
+        ChatType.Linkshell2 => InputChannel.Linkshell2,
+        ChatType.Linkshell3 => InputChannel.Linkshell3,
+        ChatType.Linkshell4 => InputChannel.Linkshell4,
+        ChatType.Linkshell5 => InputChannel.Linkshell5,
+        ChatType.Linkshell6 => InputChannel.Linkshell6,
+        ChatType.Linkshell7 => InputChannel.Linkshell7,
+        ChatType.Linkshell8 => InputChannel.Linkshell8,
+        _ => null,
+    };
 }

ChatTwo/GameFunctions/Chat.cs

@@ -12,20 +12,27 @@ using FFXIVClientStructs.FFXIV.Client.UI.Misc;
 using FFXIVClientStructs.FFXIV.Client.UI.Shell;
 using FFXIVClientStructs.FFXIV.Component.GUI;
 using Siggingway;
+using ValueType = FFXIVClientStructs.FFXIV.Component.GUI.ValueType;
 
 namespace ChatTwo.GameFunctions;
 
 internal sealed unsafe class Chat : IDisposable {
+    // Functions
+
     [Signature("E8 ?? ?? ?? ?? 0F B7 44 37 ??", Fallibility = Fallibility.Fallible)]
     private readonly delegate* unmanaged<RaptureShellModule*, int, uint, Utf8String*, byte, void> _changeChatChannel = null!;
 
     [Signature("4C 8B 81 ?? ?? ?? ?? 4D 85 C0 74 17", Fallibility = Fallibility.Fallible)]
     private readonly delegate* unmanaged<RaptureLogModule*, uint, ulong> _getContentIdForChatEntry = null!;
 
+    // Hooks
+
     private delegate byte ChatLogRefreshDelegate(IntPtr log, ushort eventId, AtkValue* value);
 
     private delegate IntPtr ChangeChannelNameDelegate(IntPtr agent);
 
+    private delegate void ReplyInSelectedChatModeDelegate(AgentInterface* agent);
+
     [Signature(
         "40 53 56 57 48 81 EC ?? ?? ?? ?? 48 8B 05 ?? ?? ?? ?? 48 33 C4 48 89 84 24 ?? ?? ?? ?? 49 8B F0 8B FA",
         DetourName = nameof(ChatLogRefreshDetour)
@@ -38,6 +45,23 @@ internal sealed unsafe class Chat : IDisposable {
     )]
     private Hook<ChangeChannelNameDelegate>? ChangeChannelNameHook { get; init; }
 
+    [Signature(
+        "48 89 5C 24 ?? 57 48 83 EC 30 8B B9 ?? ?? ?? ?? 48 8B D9 83 FF FE",
+        DetourName = nameof(ReplyInSelectedChatModeDetour)
+    )]
+    private Hook<ReplyInSelectedChatModeDelegate>? ReplyInSelectedChatModeHook { get; init; }
+
+    // Offsets
+
+    #pragma warning disable 0649
+
+    [Signature("8B B9 ?? ?? ?? ?? 48 8B D9 83 FF FE 0F 84", Offset = 2)]
+    private readonly int? _replyChannelOffset;
+
+    #pragma warning restore 0649
+
+    // Events
+
     internal delegate void ChatActivatedEventDelegate(string? input);
 
     internal event ChatActivatedEventDelegate? Activated;
@@ -51,6 +75,7 @@ internal sealed unsafe class Chat : IDisposable {
 
         this.ChatLogRefreshHook?.Enable();
         this.ChangeChannelNameHook?.Enable();
+        this.ReplyInSelectedChatModeHook?.Enable();
 
         this.Plugin.ClientState.Login += this.Login;
         this.Login(null, null);
@@ -59,6 +84,7 @@ internal sealed unsafe class Chat : IDisposable {
     public void Dispose() {
         this.Plugin.ClientState.Login -= this.Login;
 
+        this.ReplyInSelectedChatModeHook?.Dispose();
         this.ChangeChannelNameHook?.Dispose();
         this.ChatLogRefreshHook?.Dispose();
 
@@ -127,27 +153,43 @@ internal sealed unsafe class Chat : IDisposable {
     }
 
     private byte ChatLogRefreshDetour(IntPtr log, ushort eventId, AtkValue* value) {
-        if (eventId == 0x31 && value != null && value->UInt is 0x05 or 0x0C) {
+        if (eventId != 0x31 || value == null || value->UInt is not (0x05 or 0x0C)) {
-            string? eventInput = null;
+            return this.ChatLogRefreshHook!.Original(log, eventId, value);
-
-            var str = value + 2;
-            if (str != null && str->String != null) {
-                var input = MemoryHelper.ReadStringNullTerminated((IntPtr) str->String);
-                if (input.Length > 0) {
-                    eventInput = input;
-                }
-            }
-
-            try {
-                this.Activated?.Invoke(eventInput);
-            } catch (Exception ex) {
-                PluginLog.LogError(ex, "Error in ChatActivated event");
-            }
-
-            return 0;
         }
 
-        return this.ChatLogRefreshHook!.Original(log, eventId, value);
+        string? eventInput = null;
+
+        var str = value + 2;
+        if (str != null && ((int) str->Type & 0xF) == (int) ValueType.String && str->String != null) {
+            var input = MemoryHelper.ReadStringNullTerminated((IntPtr) str->String);
+            if (input.Length > 0) {
+                eventInput = input;
+            }
+        }
+
+        try {
+            this.Activated?.Invoke(eventInput);
+        } catch (Exception ex) {
+            PluginLog.LogError(ex, "Error in ChatActivated event");
+        }
+
+        return 0;
+    }
+
+    private void ReplyInSelectedChatModeDetour(AgentInterface* agent) {
+        if (this._replyChannelOffset == null) {
+            goto Original;
+        }
+
+        var replyMode = *(int*) ((IntPtr) agent + this._replyChannelOffset.Value);
+        if (replyMode == -2) {
+            goto Original;
+        }
+
+        this.SetChannel((InputChannel) replyMode);
+
+        Original:
+        this.ReplyInSelectedChatModeHook!.Original(agent);
     }
 
     internal ulong? GetContentIdForEntry(uint index) {

ChatTwo/Message.cs

@@ -15,5 +15,9 @@ internal class Message {
         this.Code = code;
         this.Sender = sender;
         this.Content = content;
+
+        foreach (var chunk in sender.Concat(content)) {
+            chunk.Message = this;
+        }
     }
 }

ChatTwo/PayloadHandler.cs

@@ -1,5 +1,6 @@
 using System.Numerics;
 using System.Reflection;
+using ChatTwo.Code;
 using ChatTwo.Ui;
 using ChatTwo.Util;
 using Dalamud.Game.ClientState.Objects.SubKinds;
@@ -16,7 +17,7 @@ internal sealed class PayloadHandler {
     private PluginUi Ui { get; }
     private ChatLog Log { get; }
 
-    private HashSet<Payload> PopupPayloads { get; set; } = new();
+    private HashSet<(Chunk, Payload)> PopupPayloads { get; set; } = new();
 
     private bool _handleTooltips;
     private uint _hoveredItem;
@@ -40,8 +41,8 @@ internal sealed class PayloadHandler {
     }
 
     private void DrawPopups() {
-        var newPopups = new HashSet<Payload>();
+        var newPopups = new HashSet<(Chunk, Payload)>();
-        foreach (var payload in this.PopupPayloads) {
+        foreach (var (chunk, payload) in this.PopupPayloads) {
             var id = PopupId(payload);
             if (id == null) {
                 continue;
@@ -51,12 +52,12 @@ internal sealed class PayloadHandler {
                 continue;
             }
 
-            newPopups.Add(payload);
+            newPopups.Add((chunk, payload));
             ImGui.PushID(id);
 
             switch (payload) {
                 case PlayerPayload player: {
-                    this.DrawPlayerPopup(player);
+                    this.DrawPlayerPopup(chunk, player);
                     break;
                 }
                 case ItemPayload item: {
@@ -78,7 +79,7 @@ internal sealed class PayloadHandler {
                 this.LeftClickPayload(chunk, payload);
                 break;
             case ImGuiMouseButton.Right:
-                this.RightClickPayload(payload);
+                this.RightClickPayload(chunk, payload);
                 break;
         }
     }
@@ -211,11 +212,11 @@ internal sealed class PayloadHandler {
         }
     }
 
-    private void RightClickPayload(Payload payload) {
+    private void RightClickPayload(Chunk chunk, Payload payload) {
         switch (payload) {
             case PlayerPayload:
             case ItemPayload: {
-                this.PopupPayloads.Add(payload);
+                this.PopupPayloads.Add((chunk, payload));
                 ImGui.OpenPopup(PopupId(payload));
                 break;
             }
@@ -267,7 +268,7 @@ internal sealed class PayloadHandler {
         }
     }
 
-    private void DrawPlayerPopup(PlayerPayload player) {
+    private void DrawPlayerPopup(Chunk chunk, PlayerPayload player) {
         var name = player.PlayerName;
         if (player.World.IsPublic) {
             name += $"{player.World.Name}";
@@ -313,6 +314,12 @@ internal sealed class PayloadHandler {
             }
         }
 
+        var inputChannel = chunk.Message?.Code.Type.ToInputChannel();
+        if (inputChannel != null && ImGui.Selectable("Reply in Selected Chat Mode")) {
+            this.Ui.Plugin.Functions.Chat.SetChannel(inputChannel.Value);
+            this.Log.Activate = true;
+        }
+
         if (ImGui.Selectable("Target") && this.FindCharacterForPayload(player) is { } obj) {
             this.Ui.Plugin.TargetManager.SetTarget(obj);
         }
@@ -323,7 +330,6 @@ internal sealed class PayloadHandler {
 
         // Add to Blacklist 0x1C
         // View Party Finder 0x2E
-        // Reply in Selected Chat Mode 0x64
     }
 
     private PlayerCharacter? FindCharacterForPayload(PlayerPayload payload) {

ChatTwo/PluginUi.cs

@@ -26,7 +26,7 @@ internal sealed class PluginUi : IDisposable {
     private (GCHandle, int) _jpFont;
     private (GCHandle, int) _gameSymFont;
 
-    private ImVector _ranges;
+    private readonly ImVector _ranges;
 
     private GCHandle _jpRange = GCHandle.Alloc(
         GlyphRangesJapanese.GlyphRanges,