Added ESPTree header, which will handle the meta tree structure created on top of the esp/esm file buffer. Added editorconfig for column guidelines.

.editorconfig

@@ -0,0 +1,10 @@
+root = true
+
+# All files
+[*]
+indent_style = space
+guidelines = 80
+
+# Xml files
+[*.xml]
+indent_size = 2

Navmesher.sln

@@ -11,6 +11,11 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "mph_gen", "mph_gen\mph_gen.
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "libz-static", "zlib-win-build\build-VS2022\libz-static\libz-static.vcxproj", "{B56D17BC-072B-42F3-844A-870A07AFBAAA}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{F2B93142-BC5A-4D28-8AAA-24D52FA59514}"
+	ProjectSection(SolutionItems) = preProject
+		.editorconfig = .editorconfig
+	EndProjectSection
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Itanium = Debug|Itanium

espReader/ESPTree.h

@@ -0,0 +1,21 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http ://mozilla.org/MPL/2.0/.
+ */
+#pragma once
+
+#include "ESPReader.h"
+
+typedef struct meta_node MetaNode;
+
+/* Meta Nodes are used for constructing a more flexible tree structure 
+ * on top of 
+ */
+struct meta_node {
+    Node n;
+    MetaNode *parent;
+    MetaNode *prev;
+    MetaNode *next;
+};
+

espReader/espReader.vcxproj

@@ -141,6 +141,7 @@
   </ItemDefinitionGroup>
   <ItemGroup>
     <ClInclude Include="ESPReader.h" />
+    <ClInclude Include="ESPTree.h" />
     <ClInclude Include="msh.h" />
   </ItemGroup>
   <ItemGroup>

espReader/espReader.vcxproj.filters

@@ -21,6 +21,9 @@
     <ClInclude Include="msh.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="ESPTree.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="Reader.c">