From bebba0e432cad00ebb2445ffadc41815ac907e77 Mon Sep 17 00:00:00 2001
From: KillzXGaming <millernathan35@gmail.com>
Date: Sun, 26 Jul 2020 12:30:21 -0400
Subject: [PATCH] PACx : fix some freezes loading type 0 files (root single
 chunks)

---
 .../FileFormats/HedgehogEngine/PACx.cs           | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/File_Format_Library/FileFormats/HedgehogEngine/PACx.cs b/File_Format_Library/FileFormats/HedgehogEngine/PACx.cs
index ee94e14a..bacb82af 100644
--- a/File_Format_Library/FileFormats/HedgehogEngine/PACx.cs
+++ b/File_Format_Library/FileFormats/HedgehogEngine/PACx.cs
@@ -82,7 +82,20 @@ namespace HedgehogLibrary
                 if (IsVersion4)
                 {
                     var header = reader.ReadStruct<HeaderV4>();
-                    var chunks = reader.ReadMultipleStructs<Chunk>(header.ChunkCount);
+
+                    List<Chunk> chunks = new List<Chunk>();
+                    if (header.Type != (PacType)0)
+                    {
+                        uint chunkCount = reader.ReadUInt32();
+                        chunks = reader.ReadMultipleStructs<Chunk>(chunkCount);
+                    }
+                    else
+                        chunks.Add(new Chunk()
+                        {
+                            CompressedSize = header.RootCompressedSize,
+                            UncompressedSize = header.RootUncompressedSize
+                        });
+
                     Checksum = header.PacID;
 
                     //Decompress each chunk now
@@ -226,7 +239,6 @@ namespace HedgehogLibrary
             public uint RootUncompressedSize;
             public PacType Type = PacType.HasNoSplit;
             public ushort Constant = 0x208;
-            public uint ChunkCount;
         }
 
         [StructLayout(LayoutKind.Sequential, Pack = 1)]