Set BGM via function

Dalamud/Dalamud.cs

@@ -440,7 +440,7 @@ namespace Dalamud {
 
         private void OnBgmSetCommand(string command, string arguments)
         {
-            Framework.Network.InjectBgmTest(int.Parse(arguments));
+            Framework.Gui.SetBgm(ushort.Parse(arguments));
         }
 
         private void OnItemLinkCommand(string command, string arguments) {
@@ -474,26 +474,5 @@ namespace Dalamud {
 
             });
         }
-
-        public static byte[] StringToByteArray(String value)
-        {
-            byte[] bytes = new byte[value.Length * sizeof(char)];
-            Buffer.BlockCopy(value.ToCharArray(), 0, bytes, 0, bytes.Length);
-            return bytes;
-        }
-
-        public static String ByteArrayToString(byte[] value)
-        {
-            var chars = new char[value.Length / sizeof(char)];
-
-            var atValue = 0;
-            for (var i = 0; i < chars.Length; i++) {
-                chars[i] = BitConverter.ToChar(value, atValue);
-
-                atValue += 2;
-            }
-
-            return new string(chars);
-        }
     }
 }

Dalamud/Game/Internal/Gui/GameGui.cs

@@ -1,4 +1,7 @@
 using System;
+using System.Runtime.InteropServices;
+using Dalamud.Game.Chat;
+using Dalamud.Hooking;
 using Serilog;
 
 namespace Dalamud.Game.Internal.Gui {
@@ -7,21 +10,46 @@ namespace Dalamud.Game.Internal.Gui {
         
         public ChatGui Chat { get; private set; }
 
+        [UnmanagedFunctionPointer(CallingConvention.ThisCall)]
+        private delegate IntPtr SetGlobalBgmDelegate(UInt16 bgmKey, byte a2, UInt32 a3, UInt32 a4, UInt32 a5, byte a6);
+
+        private readonly Hook<SetGlobalBgmDelegate> setGlobalBgmHook;
+
         public GameGui(IntPtr baseAddress, SigScanner scanner, Dalamud dalamud) {
             Address = new GameGuiAddressResolver(baseAddress);
             Address.Setup(scanner);
 
+            Log.Verbose("===== G A M E G U I =====");
+
             Log.Verbose("GameGuiManager address {Address}", Address.BaseAddress);
+            Log.Verbose("SetGlobalBgm address {Address}", Address.SetGlobalBgm);
 
             Chat = new ChatGui(Address.ChatManager, scanner, dalamud);
+
+            this.setGlobalBgmHook =
+                new Hook<SetGlobalBgmDelegate>(Address.SetGlobalBgm,
+                                                   new SetGlobalBgmDelegate(HandleSetGlobalBgmDetour),
+                                                   this);
         }
 
+        private IntPtr HandleSetGlobalBgmDetour(UInt16 bgmKey, byte a2, UInt32 a3, UInt32 a4, UInt32 a5, byte a6) {
+            var retVal = this.setGlobalBgmHook.Original(bgmKey, a2, a3, a4, a5, a6);
+
+            Log.Verbose("SetGlobalBgm: {0} {1} {2} {3} {4} {5} -> {6}", bgmKey, a2, a3, a4, a5, a6, retVal);
+
+            return retVal;
+        }
+
+        public void SetBgm(ushort bgmKey) => this.setGlobalBgmHook.Original(bgmKey, 0, 0, 0, 0, 0);
+
         public void Enable() {
             Chat.Enable();
+            this.setGlobalBgmHook.Enable();
         }
 
         public void Dispose() {
             Chat.Dispose();
+            this.setGlobalBgmHook.Dispose();
         }
     }
 }

Dalamud/Game/Internal/Gui/GameGuiAddressResolver.cs

@@ -1,5 +1,6 @@
-using System;
+using System;
 using System.Runtime.InteropServices;
+using Serilog;
 
 namespace Dalamud.Game.Internal.Gui {
     public sealed class GameGuiAddressResolver : BaseAddressResolver {
@@ -7,6 +8,8 @@ namespace Dalamud.Game.Internal.Gui {
         
         public IntPtr ChatManager { get; private set; }
 
+        public IntPtr SetGlobalBgm { get; private set; }
+        
         public GameGuiAddressResolver(IntPtr baseAddress) {
             BaseAddress = baseAddress;
         }
@@ -21,7 +24,8 @@ namespace Dalamud.Game.Internal.Gui {
         }
 
         protected override void Setup64Bit(SigScanner sig) {
-            // Do nothing, still required.
+            //SetGlobalBgm = sig.ScanText("4C 8B 15 ?? ?? ?? ?? 4D 85 D2 74 58 41 83 7A ?? ?? 76 51 4D 8B 92 ?? ?? ?? ?? 0F B6 44 24 ?? 49 81 C2 ?? ?? ?? ?? 66 41 89 4A ?? 33 C9 41 88 52 30 41 89 4A 14 66 41 89 4A ?? 41 88 42 12 49 89 4A 38 41 89 4A 40 49 89 4A 48 41 38 4A 30 74 14 8B 44 24 28 41 89 42 40 45 89 42 38");
+            SetGlobalBgm = sig.ScanText("4C 8B 15 ?? ?? ?? ?? 4D 85 D2 74 58");
         }
     }
 }

Dalamud/Game/Internal/Gui/IconReplacer.cs

@@ -63,6 +63,7 @@ namespace Dalamud.Game.Internal.Gui {
         public void Dispose() {
             this.iconHook.Dispose();
             this.checkerHook.Dispose();
+            Log.Verbose("IconReplacer unhooked");
         }
 
         // I hate this function. This is the dumbest function to exist in the game. Just return 1.

Dalamud/Game/Internal/Network/GameNetwork.cs

@@ -28,6 +28,7 @@ namespace Dalamud.Game.Internal.Network {
             Address = new GameNetworkAddressResolver();
             Address.Setup(scanner);
 
+            Log.Verbose("===== G A M E N E T W O R K =====");
             Log.Verbose("ProcessZonePacket address {ProcessZonePacket}", Address.ProcessZonePacket);
 
             this.processZonePacketHook =
@@ -86,10 +87,6 @@ namespace Dalamud.Game.Internal.Network {
             InjectZoneProtoPacket(packetData);
         }
 
-        public void InjectBgmTest(int key) {
-            InjectActorControl(0xa1, key);
-        }
-
         /// <summary>
         ///     Process a chat queue.
         /// </summary>