fix long string handling

Author: Foghrye4

SubstrateCS/.vs/SubstrateNET4/xs/UserPrefs.xml

@@ -0,0 +1,13 @@
+<Properties>
+  <MonoDevelop.Ide.Workbench ActiveDocument="Source/Nbt/NbtTree.cs">
+    <Files>
+      <File FileName="Source/Nbt/NbtTree.cs" Line="48" Column="10" />
+    </Files>
+  </MonoDevelop.Ide.Workbench>
+  <MonoDevelop.Ide.Workspace ActiveConfiguration="Debug" />
+  <MonoDevelop.Ide.DebuggingService.Breakpoints>
+    <BreakpointStore />
+  </MonoDevelop.Ide.DebuggingService.Breakpoints>
+  <MonoDevelop.Ide.DebuggingService.PinnedWatches />
+  <MultiItemStartupConfigurations />
+</Properties>

SubstrateCS/Source/Nbt/NbtTree.cs

@@ -20,6 +20,8 @@ public class NbtTree : ICopyable<NbtTree>
         private Stream _stream = null;
         private TagNodeCompound _root = null;
         private string _rootName = "";
+	    List <TagNodeCompound> compoundTagCache = new List<TagNodeCompound> ();
+		private string lastTagName = "";
 
         private static TagNodeNull _nulltag = new TagNodeNull();
 
@@ -83,9 +85,15 @@ public NbtTree (Stream s)
         /// <param name="s">An open, readable data stream containing NBT data.</param>
         public void ReadFrom (Stream s)
         {
-            if (s != null) {
+			if (s != null) {
+				
                 _stream = s;
-                _root = ReadRoot();
+				try {
+					_root = ReadRoot();
+				}
+				catch (Exception e) {
+					Console.Write(e.Message);
+				}
                 _stream = null;
             }
         }
@@ -249,6 +257,7 @@ private TagNode ReadByteArray ()
 
             int length = BitConverter.ToInt32(lenBytes, 0);
             if (length < 0) {
+				Console.Write("Negative lenght while reading byte array with name: " + this.lastTagName);
                 throw new NBTException(NBTException.MSG_READ_NEG);
             }
 
@@ -269,11 +278,7 @@ private TagNode ReadString ()
                 Array.Reverse(lenBytes);
             }
 
-            short len = BitConverter.ToInt16(lenBytes, 0);
-            if (len < 0) {
-                throw new NBTException(NBTException.MSG_READ_NEG);
-            }
-
+            ushort len = BitConverter.ToUInt16(lenBytes, 0);
             byte[] strBytes = new byte[len];
             _stream.Read(strBytes, 0, len);
 
@@ -305,6 +310,7 @@ private TagNode ReadList ()
 
             int length = BitConverter.ToInt32(lenBytes, 0);
             if (length < 0) {
+				Console.Write("Negative lenght while reading tag list with name: " + this.lastTagName);
                 throw new NBTException(NBTException.MSG_READ_NEG);
             }
 
@@ -322,7 +328,9 @@ private TagNode ReadCompound ()
         {
             TagNodeCompound val = new TagNodeCompound();
 
-            while (ReadTag(val)) ;
+			while (ReadTag(val)) {
+				
+			}
 
             return val;
         }
@@ -338,6 +346,7 @@ private TagNode ReadIntArray ()
 
             int length = BitConverter.ToInt32(lenBytes, 0);
             if (length < 0) {
+				Console.Write("Negative lenght while reading int array with name: " + this.lastTagName);
                 throw new NBTException(NBTException.MSG_READ_NEG);
             }
 
@@ -367,6 +376,7 @@ private TagNode ReadLongArray ()
 
             int length = BitConverter.ToInt32(lenBytes, 0);
             if (length < 0) {
+				Console.Write("Negative lenght while reading long array with name: " + this.lastTagName);
                 throw new NBTException(NBTException.MSG_READ_NEG);
             }
 
@@ -396,6 +406,7 @@ private TagNode ReadShortArray ()
 
             int length = BitConverter.ToInt32(lenBytes, 0);
             if (length < 0) {
+				Console.Write("Negative lenght while reading short array with name: " + this.lastTagName);
                 throw new NBTException(NBTException.MSG_READ_NEG);
             }
 
@@ -419,7 +430,13 @@ private TagNodeCompound ReadRoot ()
             TagType type = (TagType)_stream.ReadByte();
             if (type == TagType.TAG_COMPOUND) {
                 _rootName = ReadString().ToTagString().Data; // name
-                return ReadValue(type) as TagNodeCompound;
+
+		TagNodeCompound root1 = ReadValue(type) as TagNodeCompound;
+		if(root1==null)
+			Console.WriteLine("Read value return null.");
+		else 
+			Console.WriteLine("Read value return normal value.");
+                return root1;
             }
 
             return null;
@@ -430,6 +447,7 @@ private bool ReadTag (TagNodeCompound parent)
             TagType type = (TagType)_stream.ReadByte();
             if (type != TagType.TAG_END) {
                 string name = ReadString().ToTagString().Data;
+				lastTagName = name;
                 parent[name] = ReadValue(type);
                 return true;
             }

SubstrateCS/Substrate (NET4).csproj renamed to SubstrateCS/SubstrateNET4.csproj

@@ -0,0 +1,17 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 2012
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SubstrateNET4", "SubstrateNET4.csproj", "{7264A1C4-AB4A-4437-B252-7379B98B5509}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{7264A1C4-AB4A-4437-B252-7379B98B5509}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{7264A1C4-AB4A-4437-B252-7379B98B5509}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{7264A1C4-AB4A-4437-B252-7379B98B5509}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{7264A1C4-AB4A-4437-B252-7379B98B5509}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+EndGlobal