Add files via upload

Avem33-Unpacker.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net5.0</TargetFramework>
+    <RootNamespace>Avem33_Unpacker</RootNamespace>
+  </PropertyGroup>
+
+</Project>

Avem33-Unpacker.sln

@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.34407.143
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Avem33-Unpacker", "Avem33-Unpacker.csproj", "{5BE8CE3A-BFBF-4A8A-A12B-0E677DFF3BD5}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{5BE8CE3A-BFBF-4A8A-A12B-0E677DFF3BD5}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{5BE8CE3A-BFBF-4A8A-A12B-0E677DFF3BD5}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{5BE8CE3A-BFBF-4A8A-A12B-0E677DFF3BD5}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{5BE8CE3A-BFBF-4A8A-A12B-0E677DFF3BD5}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {664B2A89-AB00-431B-81A2-8032D2AFE1F7}
+	EndGlobalSection
+EndGlobal

Program.cs

@@ -0,0 +1,45 @@
+//Written for Avem33. https://store.steampowered.com/app/673900/
+using System;
+using System.IO;
+
+namespace Avem33_Unpacker
+{
+    class Program
+    {
+        public static BinaryReader br;
+
+        private static void Main(string[] args)
+        {
+            br = new BinaryReader(File.OpenRead(args[0]));
+            Directory.CreateDirectory(Path.GetDirectoryName(args[0]) + "//" + Path.GetFileNameWithoutExtension(args[0]));
+            while (br.BaseStream.Position < br.BaseStream.Length)
+            {
+                string name = NullTerminatedString();
+
+                byte readbyte = 0xFE;
+                while (readbyte == 0xFE)
+                    readbyte = br.ReadByte();//padding
+                br.BaseStream.Position--;
+                using FileStream FS = File.Create(Path.GetDirectoryName(args[0]) + "//" + Path.GetFileNameWithoutExtension(args[0]) + "//" + name);
+                BinaryWriter bw = new(FS);
+                bw.Write(br.ReadBytes(br.ReadInt32()));
+                bw.Close();
+            }
+        }
+
+        public static string NullTerminatedString()
+        {
+            char[] fileName = Array.Empty<char>();
+            char readchar = (char)1;
+            while (readchar > 0)
+            {
+                readchar = br.ReadChar();
+                Array.Resize(ref fileName, fileName.Length + 1);
+                fileName[^1] = readchar;
+            }
+            Array.Resize(ref fileName, fileName.Length - 1);
+            string name = new(fileName);
+            return name;
+        }
+    }
+}