From f1439db314804721df467c69dab3233d4b5bfaa0 Mon Sep 17 00:00:00 2001
From: KillzXGaming <millernathan35@gmail.com>
Date: Mon, 5 Aug 2019 17:04:24 -0400
Subject: [PATCH] Save compressed bytes properly and save data within archives
 for pak

---
 .vs/Toolbox/v15/.suo                          | Bin 914944 -> 914944 bytes
 .../FileFormats/CrashBandicoot/IGA_PAK.cs     |  59 +++++++++++++++++-
 2 files changed, 58 insertions(+), 1 deletion(-)

diff --git a/.vs/Toolbox/v15/.suo b/.vs/Toolbox/v15/.suo
index 239c4fb331d0a6239441c408afbe7f7ac5ab6d9f..bf8c77206fb97dbcb6944cbce41cf1572448fef2 100644
GIT binary patch
delta 137
zcmZp8W8Uz_d_xWsE5il$9~U+kGW}*|6-Yhy<3e*GTYDiJBM>tIF*6XeY%gSEJ=iPw
zg#iXc4*Uf&wWn`rV%t1j{yisG+f>$VQ`wA`;#FhK-e%3wX3g1V&DCbj-Db_R%$j#M
E0JY#N*Z=?k

delta 137
zcmZp8W8Uz_d_xWstAKpkq;s1KnSL{~Is{F>f3CTZt-X+q5r~<9m>Gy!wimLo9_$q?
zVt@gW1C2nY()0~YY@4Uczvtv?o65RvDx1+#!NV{m3?c`TfNWtTHP-BH)*NltoNd-z
PZPwgv);!Csd3OT<+chZ`

diff --git a/File_Format_Library/FileFormats/CrashBandicoot/IGA_PAK.cs b/File_Format_Library/FileFormats/CrashBandicoot/IGA_PAK.cs
index 9e9c91dd..28e0352f 100644
--- a/File_Format_Library/FileFormats/CrashBandicoot/IGA_PAK.cs
+++ b/File_Format_Library/FileFormats/CrashBandicoot/IGA_PAK.cs
@@ -121,6 +121,10 @@ namespace FirstPlugin
 
         public void Write(FileWriter writer)
         {
+            //Save all the data for opened files first and compress if needed
+            for (int i = 0; i < files.Count; i++)
+                files[i].SaveOpenedFile();
+
             writer.WriteSignature("IGA\x01");
             writer.Write(Version);
             //total size of file info and hash section
@@ -157,7 +161,7 @@ namespace FirstPlugin
                     writer.Write((uint)dataPos);
                 }
 
-                writer.Write(files[i].FileData);
+                writer.Write(files[i].CompressedBytes);
                 writer.Align(2048);
             }
 
@@ -234,9 +238,40 @@ namespace FirstPlugin
                 Version = version;
             }
 
+            private byte[] _savedBytes { get; set; }
+
             public uint FileOffset;
             public uint DecompressedFileSize;
 
+            public byte[] CompressedBytes
+            {
+                get
+                {
+                    if (FileOffset == 0)
+                        return new byte[0];
+
+                    if (_savedBytes != null)
+                        return _savedBytes;
+
+                    using (var reader = new FileReader(SourceFile))
+                    {
+                        uint size = 0;
+                        reader.BaseStream.Seek(FileOffset, SeekOrigin.Begin);
+                        if (FileCompressionType != -1)
+                        {
+                            if (Version <= 0x0B)
+                                size = reader.ReadUInt16();
+                            else
+                                size = reader.ReadUInt32();
+                        }
+                        else
+                            size = DecompressedFileSize;
+
+                        return reader.ReadBytes((int)size);
+                    }
+                }
+            }
+
             public override byte[] FileData
             {
                 get
@@ -285,6 +320,28 @@ namespace FirstPlugin
                 }
             }
 
+            public void SaveOpenedFile()
+            {
+                if (FileFormat != null)
+                {
+                    byte[] data = FileFormat.Save();
+                    DecompressedFileSize = (uint)data.Length;
+
+                    if (FileCompressionType != -1)
+                    {
+                        SevenZip.Compression.LZMA.Encoder encode = new SevenZip.Compression.LZMA.Encoder();
+                        MemoryStream ms = new MemoryStream(data);
+                        MemoryStream otuput = new MemoryStream(data);
+                        encode.Code(ms, otuput, -1, -1, null);
+                        _savedBytes = otuput.ToArray();
+                    }
+                    else
+                        _savedBytes = data;
+
+                    GC.Collect();
+                }
+            }
+
             public void Read(FileReader reader)
             {
                 FileOffset = reader.ReadUInt32();