Add basic MTXT and PKG support

File_Format_Library/FileFormats/Texture/MTXT.cs

@@ -0,0 +1,98 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Toolbox.Library;
+using Toolbox.Library.IO;
+
+namespace FirstPlugin
+{
+    public class MTXT : TreeNodeFile, IFileFormat
+    {
+        public FileType FileType { get; set; } = FileType.Image;
+
+        public bool CanSave { get; set; }
+        public string[] Description { get; set; } = new string[] { "MTXT" };
+        public string[] Extension { get; set; } = new string[] { "*.bctex" };
+        public string FileName { get; set; }
+        public string FilePath { get; set; }
+        public IFileInfo IFileInfo { get; set; }
+
+        public bool Identify(System.IO.Stream stream) {
+            using (var reader = new FileReader(stream, true)) {
+                return reader.CheckSignature(4, "MTXT");
+            }
+        }
+
+        public Type[] Types
+        {
+            get
+            {
+                List<Type> types = new List<Type>();
+                return types.ToArray();
+            }
+        }
+
+        public override void OnAfterAdded()
+        {
+            if (Nodes.Count > 0 && this.TreeView != null)
+                this.TreeView.SelectedNode = Nodes[0];
+        }
+
+        public void Load(System.IO.Stream stream)
+        {
+            Text = this.FileName;
+
+            using (var reader = new FileReader(stream))
+            {
+                reader.ReadSignature(4, "MTXT");
+                reader.ReadBytes(4);
+                var comp = reader.ReadBytes((int)reader.BaseStream.Length - 8);
+                var decomp = STLibraryCompression.GZIP.Decompress(comp);
+                ReadTextureBinary(decomp);
+            }
+        }
+
+        private void ReadTextureBinary(byte[] data)
+        {
+            using (var reader = new FileReader(data))
+            {
+                //Note offsets are -8 relative due to decomp data and header being 8 bytes long
+                reader.ReadUInt64();
+                uint w = reader.ReadUInt32(); //width
+                uint h = reader.ReadUInt32(); //height
+                reader.ReadUInt32(); //num mips
+                reader.ReadUInt32(); //unk (-1)
+                uint nameOffset = reader.ReadUInt32(); //name offset
+                reader.ReadUInt32();
+                var textureOffset = reader.ReadUInt32(); //texture xtx offset
+                reader.ReadUInt32();
+                var textureSize = reader.ReadUInt32(); //texture xtx size
+
+                string textureName = "";
+                using (reader.TemporarySeek(nameOffset - 8, System.IO.SeekOrigin.Begin)) {
+                    textureName = reader.ReadZeroTerminatedString();
+                }
+
+                var stream = new SubStream(reader.BaseStream, (long)textureOffset - 8, (long)textureSize);
+                XTX xtx = new XTX();
+                xtx.FileName = textureName;
+                xtx.Load(stream);
+                this.Tag = xtx;
+                foreach (STGenericTexture node in xtx.Nodes)
+                    Nodes.Add(node);
+            }
+        }
+
+        public void Save(System.IO.Stream stream)
+        {
+
+        }
+
+        public void Unload()
+        {
+
+        }
+    }
+}

File_Format_Library/Main.cs

@@ -452,9 +452,15 @@ namespace FirstPlugin
             Formats.Add(typeof(WTA));
             Formats.Add(typeof(BinGzArchive));
             Formats.Add(typeof(BNR));
-          //  Formats.Add(typeof(MPBIN));
-          //  Formats.Add(typeof(HSF));
-         //   Formats.Add(typeof(ATB));
+            Formats.Add(typeof(PKG));
+            Formats.Add(typeof(MTXT));
+
+
+            //Formats.Add(typeof(XLINK_FILE));
+
+            //  Formats.Add(typeof(MPBIN));
+            //  Formats.Add(typeof(HSF));
+            //   Formats.Add(typeof(ATB));
 
             //   Formats.Add(typeof(LayoutBXLYT.BLO));