From 39c73af2382228a0b5f867baf5be44979136deee Mon Sep 17 00:00:00 2001
From: Ottermandias <nickroederspam+git1@gmail.com>
Date: Mon, 20 Jan 2025 20:33:28 +0100
Subject: [PATCH] Fix stupid.

---
 Penumbra/Meta/Files/ImcFile.cs      | 14 ++++++++------
 Penumbra/Meta/Files/MetaBaseFile.cs | 18 ++++++++++++++++++
 Penumbra/Meta/MetaFileManager.cs    | 26 ++++++++++++++------------
 3 files changed, 40 insertions(+), 18 deletions(-)

diff --git a/Penumbra/Meta/Files/ImcFile.cs b/Penumbra/Meta/Files/ImcFile.cs
index de022f4c..c6e4ec94 100644
--- a/Penumbra/Meta/Files/ImcFile.cs
+++ b/Penumbra/Meta/Files/ImcFile.cs
@@ -197,22 +197,24 @@ public unsafe class ImcFile : MetaBaseFile
         if (length >= actualLength)
         {
             MemoryUtility.MemCpyUnchecked((byte*)data, Data, actualLength);
-            MemoryUtility.MemSet((byte*)data + actualLength, 0, length - actualLength);
+            if (length > actualLength)
+                MemoryUtility.MemSet((byte*)(data + actualLength), 0, length - actualLength);
             return;
         }
 
         var paddedLength = actualLength.PadToMultiple(128);
-        var newData      = Manager.XivAllocator.Allocate(paddedLength, 8);
+        var newData      = Manager.XivFileAllocator.Allocate(paddedLength, 8);
         if (newData == null)
         {
             Penumbra.Log.Error($"Could not replace loaded IMC data at 0x{(ulong)resource:X}, allocation failed.");
             return;
         }
-
+        
         MemoryUtility.MemCpyUnchecked(newData, Data, actualLength);
-        MemoryUtility.MemSet((byte*)data + actualLength, 0, paddedLength - actualLength);
-
-        Manager.XivAllocator.Release((void*)data, length);
+        if (paddedLength > actualLength)
+            MemoryUtility.MemSet(newData + actualLength, 0, paddedLength - actualLength);
+        
+        Manager.XivFileAllocator.Release((void*)data, length);
         resource->SetData((nint)newData, paddedLength);
     }
 }
diff --git a/Penumbra/Meta/Files/MetaBaseFile.cs b/Penumbra/Meta/Files/MetaBaseFile.cs
index 0cb34ab3..d04e1bdf 100644
--- a/Penumbra/Meta/Files/MetaBaseFile.cs
+++ b/Penumbra/Meta/Files/MetaBaseFile.cs
@@ -73,6 +73,24 @@ public sealed unsafe class XivFileAllocator : IFileAllocator, IService
     }
 }
 
+public sealed unsafe class XivDefaultAllocator : IFileAllocator, IService
+{
+    public T* Allocate<T>(int length, int alignment = 1) where T : unmanaged
+    {
+        var ret = (T*)IMemorySpace.GetDefaultSpace()->Malloc((ulong)(length * sizeof(T)), (ulong)alignment);
+        Penumbra.Log.Verbose($"Allocating {length * sizeof(T)} bytes via FFXIV Default Allocator to 0x{(nint)ret:X}.");
+        return ret;
+    }
+
+    public void Release<T>(ref T* pointer, int length) where T : unmanaged
+    {
+
+        IMemorySpace.Free(pointer, (ulong)(length * sizeof(T)));
+        Penumbra.Log.Verbose($"Freeing {length * sizeof(T)} bytes from 0x{(nint)pointer:X} via FFXIV Default Allocator.");
+        pointer = null;
+    }
+}
+
 public unsafe class MetaBaseFile(MetaFileManager manager, IFileAllocator alloc, MetaIndex idx) : IDisposable
 {
     protected readonly MetaFileManager Manager   = manager;
diff --git a/Penumbra/Meta/MetaFileManager.cs b/Penumbra/Meta/MetaFileManager.cs
index 5250273b..6130a48f 100644
--- a/Penumbra/Meta/MetaFileManager.cs
+++ b/Penumbra/Meta/MetaFileManager.cs
@@ -28,24 +28,26 @@ public class MetaFileManager : IService
     internal readonly ImcChecker              ImcChecker;
     internal readonly AtchManager             AtchManager;
     internal readonly IFileAllocator          MarshalAllocator = new MarshalAllocator();
-    internal readonly IFileAllocator          XivAllocator;
+    internal readonly IFileAllocator          XivFileAllocator;
+    internal readonly IFileAllocator          XivDefaultAllocator;
 
 
     public MetaFileManager(CharacterUtility characterUtility, ResidentResourceManager residentResources, IDataManager gameData,
         ActiveCollectionData activeCollections, Configuration config, ValidityChecker validityChecker, ObjectIdentification identifier,
         FileCompactor compactor, IGameInteropProvider interop, AtchManager atchManager)
     {
-        CharacterUtility  = characterUtility;
-        ResidentResources = residentResources;
-        GameData          = gameData;
-        ActiveCollections = activeCollections;
-        Config            = config;
-        ValidityChecker   = validityChecker;
-        Identifier        = identifier;
-        Compactor         = compactor;
-        AtchManager       = atchManager;
-        ImcChecker        = new ImcChecker(this);
-        XivAllocator      = new XivFileAllocator(interop);
+        CharacterUtility    = characterUtility;
+        ResidentResources   = residentResources;
+        GameData            = gameData;
+        ActiveCollections   = activeCollections;
+        Config              = config;
+        ValidityChecker     = validityChecker;
+        Identifier          = identifier;
+        Compactor           = compactor;
+        AtchManager         = atchManager;
+        ImcChecker          = new ImcChecker(this);
+        XivFileAllocator    = new XivFileAllocator(interop);
+        XivDefaultAllocator = new XivDefaultAllocator();
         interop.InitializeFromAttributes(this);
     }