[Sonic Frontiers] Player: remove Lua dependency

Source/Sonic Frontiers/Libraries/Lua.hmm

@@ -475,26 +475,29 @@ Library "Lua" by "Hyper & ĐeäTh"
         }
     }
 
-    public long GetState()
+    public ScriptSequenceManager.ScriptSequence* GetScriptSequence()
     {
         var pScriptSequenceManager = GameManager.GetService<ScriptSequenceManager>();
 
         if (pScriptSequenceManager == null)
-            return 0;
+            return null;
 
         var scriptSequences = pScriptSequenceManager->ScriptSequences;
 
-        if (scriptSequences.Length > 0)
-        {
-            var pScriptSequence = scriptSequences[0].pData;
+        if (scriptSequences.Length <= 0)
+            return null;
 
-            if (pScriptSequence == null)
-                return 0;
+        return scriptSequences[0].pData;
+    }
 
-            return pScriptSequence->pScripts[0]->pLuaState;
-        }
+    public long GetState()
+    {
+        var pScriptSequence = GetScriptSequence();
 
-        return 0;
+        if (pScriptSequence == null)
+            return 0;
+
+        return pScriptSequence->pScripts[0]->pLuaState;
     }
 
     public (string ScriptName, long pResourceData) GetCurrentScriptResource()

Source/Sonic Frontiers/Libraries/MessageManager.hmm

@@ -1,9 +1,11 @@
-Library "MessageManager" by "Sajid"
+Library "MessageManager" by "Sajid & Hyper"
 {
     #lib "Memory"
     #lib "HandleManagerBase"
 
+    #import "Collections"
     #import "GameTypes"
+    #import "Messages"
 
     using System.Runtime.InteropServices;
 
@@ -13,7 +15,9 @@ Library "MessageManager" by "Sajid"
     [StructLayout(LayoutKind.Explicit, Size = 0x50)]
     public struct Data
     {
-        [FieldOffset(0)] public ReferencedObject Base;
+        [FieldOffset(0)]    public ReferencedObject Base;
+
+        [FieldOffset(0x20)] public MoveArray<Memory.Pointer<Message>> Messages;
     }
 
     /* 0x1525C0FDF */

Source/Sonic Frontiers/Libraries/Messages.hmm

@@ -29,6 +29,10 @@ Library "Messages" by "Hyper, Sajid & ĐeäTh"
     private static long _sigSendMessageToPlayer = ScanSignature("\x48\x89\x5C\x24\x18\x56\x57\x41\x56\x48\x83\xEC\x20\x48\x8B\x59", "xxxxxxxxxxxxxxxx");
     FUNCTION_PTR(long, fpSendMessageToPlayer, _sigSendMessageToPlayer, Player.Data* in_pPlayer, void* in_pMessage)
 
+    /* 0x150880130 */
+    private static long _sigSendMessageToGameManager = ScanSignature("\x48\x89\x5C\x24\x08\x48\x89\x74\x24\x10\x57\x48\x83\xEC\x20\x31\xFF\x48\x89\xD6\x48\x89\xCB\x48\x39\xB9\xB8\x01\x00\x00\x76\x28\x48\x8B\x83\xB0\x01\x00\x00\x48\x8B\x0C\xF8\x48\x85\xC9\x74\x0C\x48\x8B\x01\x49\x89\xF0\x48\x89\xDA\xFF\x50\xCC\x48\xFF\xC7\x48\x3B\xBB\xB8\x01\x00\x00\x72\xD8\x83\xBB\xD0\x02\x00\x00\x00\x48", "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx?xxxxxxxxxxxxxxxxxxxx");
+    FUNCTION_PTR(void, fpSendMessageToGameManager, _sigSendMessageToGameManager, GameManager.Data* in_pGameManager, void* in_pMessage)
+
     /// <summary>
     /// A struct representation of `hh::fnd::Message`.
     /// </summary>
@@ -37,17 +41,17 @@ Library "Messages" by "Hyper, Sajid & ĐeäTh"
     {
         [FieldOffset(0)]    public long pVftable;
 
-        [FieldOffset(0x08)] public uint ID;
+        [FieldOffset(0x08)] public int ID;
 
-        [FieldOffset(0x0C)] public uint Sender;
+        [FieldOffset(0x0C)] public int Sender;
 
-        [FieldOffset(0x10)] public uint Receiver;
+        [FieldOffset(0x10)] public int Receiver;
 
         [FieldOffset(0x14)] public bool IsBroadcasted;
 
         [FieldOffset(0x18)] public uint Mask = 0xFFFFFFFF;
 
-        public Message(uint in_id)
+        public Message(int in_id)
         {
             ID = in_id;
         }
@@ -63,6 +67,24 @@ Library "Messages" by "Hyper, Sajid & ĐeäTh"
     [StructLayout(LayoutKind.Explicit, Size = 0x40)]
     public struct MessageQueue { }
 
+    /// <summary>
+    /// A struct representation of `app::game::MsgChangePlayerCharacter`.
+    /// </summary>
+    [StructLayout(LayoutKind.Explicit, Size = 0x50)]
+    public struct MsgChangePlayerCharacter
+    {
+        [FieldOffset(0)]    public Message Base = new Message(0x20C8);
+
+        [FieldOffset(0x20)] public Player.PlayerType PlayerType;
+
+        public MsgChangePlayerCharacter() { }
+
+        public MsgChangePlayerCharacter(Player.PlayerType in_playerType) : this()
+        {
+            PlayerType = in_playerType;
+        }
+    }
+
     /// <summary>
     /// A struct representation of `app::game::MsgResumeWorld`.
     /// </summary>
@@ -220,6 +242,16 @@ Library "Messages" by "Hyper, Sajid & ĐeäTh"
         GET_FUNCTION_PTR(fpSendMessageToGameService)(in_pGameService, in_pGameService->pGameManager, &in_message);
     }
 
+    public void SendMessageToGameManager<T>(T in_message) where T : unmanaged
+    {
+        var pGameManager = GameManager.Get();
+
+        if (pGameManager == null)
+            return;
+
+        GET_FUNCTION_PTR(fpSendMessageToGameManager)(pGameManager, &in_message);
+    }
+
     public void SendMessageToPlayer<T>(T in_message) where T : unmanaged
     {
         var pPlayer = Player.GetPlayerData();

Source/Sonic Frontiers/Libraries/Player.hmm

@@ -7,7 +7,6 @@ Library "Player" by "Hyper, NM, Ahremic, Skyth & Sajid"
     #lib "Collections"
     #lib "GameManager"
     #lib "GameObject"
-    #lib "Lua"
     #lib "MessageManager"
     #lib "Reflection"
     #lib "StringMapOperation"
@@ -26,6 +25,7 @@ Library "Player" by "Hyper, NM, Ahremic, Skyth & Sajid"
     #lib "TailsParameters"
 
     #import "GOComponents"
+    #import "Messages"
     #import "Plugins"
     #import "Postures"
     #import "Services"
@@ -101,20 +101,6 @@ Library "Player" by "Hyper, NM, Ahremic, Skyth & Sajid"
     {
         if (_isInitialised)
             return;
-
-        // Allow character switching outside of Another Story.
-        Lua.CreateLineHook
-        (
-            @"""sonic"", ""tails"", ""knuckles"", ""amy"", ",
-
-            "script/resident/stagedata.lua",
-
-            @"attrs\s*=\s*\{",
-
-            HookBehavior.After,
-
-            true
-        );
 
         // Always construct app::player::AmyInfo.
         WriteNop
@@ -188,6 +174,26 @@ Library "Player" by "Hyper, NM, Ahremic, Skyth & Sajid"
         _isInitialised = true;
     }
 
+    [LibraryUpdate]
+    public void Update()
+    {
+        var pLevelInfo = GameManager.GetService<LevelInfo>();
+
+        if (pLevelInfo == null)
+            return;
+
+        var pStageData = pLevelInfo->pStageData;
+
+        if (pStageData == null)
+            return;
+
+        // Update current stage attributes to include other characters.
+        pStageData->AttributeFlags |= (1 << (int)StageInfo.Attributes.Sonic);
+        pStageData->AttributeFlags |= (1 << (int)StageInfo.Attributes.Amy);
+        pStageData->AttributeFlags |= (1 << (int)StageInfo.Attributes.Knuckles);
+        pStageData->AttributeFlags |= (1 << (int)StageInfo.Attributes.Tails);
+    }
+
     public PlayerType GetPlayerType()
     {
         var pLevelInfo = GameManager.GetService<LevelInfo>();
@@ -223,10 +229,10 @@ Library "Player" by "Hyper, NM, Ahremic, Skyth & Sajid"
         if (in_playerType == PlayerType.Unknown)
             return;
 
-        Lua.Call("ChangePlayerCharacter", in_playerType.ToString());
+        Messages.SendMessageToGameManager(new MsgChangePlayerCharacter(in_playerType));
     }
 
-    public enum PlayerType
+    public enum PlayerType : sbyte
     {
         Unknown = -1,
         Sonic,

Source/Sonic Frontiers/Libraries/Services.hmm

@@ -529,7 +529,7 @@ Library "Services" by "Hyper"
         /// <summary>
         /// An instance of `hh::game::GameService`, the base class for `app::game::TimeService`.
         /// </summary>
-        [FieldOffset(0)]     public GameService.Data GameService;
+        [FieldOffset(0)]    public GameService.Data GameService;
 
         [FieldOffset(0x88)] public Time CurrentTime;