Initial commit

README.md

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+# Super Mario 3D Land Savegame Editor:
+Code mirrored from [this user](https://gbatemp.net/members/110449), thanks.
+
+A Savegame editor for the game Super Mario 3D Land (3DS).
+Tested on EUR Game/O3DSXL (Card, I dont have eshop version of this game).
+* Unlock all worlds is a **WIP** Option - Make sure you have a backup of your save.
+
+More information: https://gbatemp.net/threads/396816

Super Mario Land 3D Savegame Editor.sln

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+
+Microsoft Visual Studio Solution File, Format Version 11.00
+# Visual Studio 2010
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Super Mario Land 3D Savegame Editor", "Super Mario Land 3D Savegame Editor\Super Mario Land 3D Savegame Editor.csproj", "{EF07776A-F706-4494-A3E3-A46C2E4E0650}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x86 = Debug|x86
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{EF07776A-F706-4494-A3E3-A46C2E4E0650}.Debug|x86.ActiveCfg = Debug|x86
+		{EF07776A-F706-4494-A3E3-A46C2E4E0650}.Debug|x86.Build.0 = Debug|x86
+		{EF07776A-F706-4494-A3E3-A46C2E4E0650}.Release|x86.ActiveCfg = Release|x86
+		{EF07776A-F706-4494-A3E3-A46C2E4E0650}.Release|x86.Build.0 = Release|x86
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

Super Mario Land 3D Savegame Editor/Crc32.cs

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+// Copyright (c) Damien Guard.  All rights reserved.
+// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. 
+// You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+// Originally published at http://damieng.com/blog/2006/08/08/calculating_crc32_in_c_and_net
+
+using System;
+using System.Collections.Generic;
+using System.Security.Cryptography;
+
+namespace Super_Mario_Land_3D_Savegame_Editor
+{
+    /// <summary>
+    /// Implements a 32-bit CRC hash algorithm compatible with Zip etc.
+    /// </summary>
+    /// <remarks>
+    /// Crc32 should only be used for backward compatibility with older file formats
+    /// and algorithms. It is not secure enough for new applications.
+    /// If you need to call multiple times for the same data either use the HashAlgorithm
+    /// interface or remember that the result of one Compute call needs to be ~ (XOR) before
+    /// being passed in as the seed for the next Compute call.
+    /// </remarks>
+    public sealed class Crc32 : HashAlgorithm
+    {
+        public const UInt32 DefaultPolynomial = 0xedb88320u;
+        public const UInt32 DefaultSeed = 0xffffffffu;
+
+        static UInt32[] defaultTable;
+
+        readonly UInt32 seed;
+        readonly UInt32[] table;
+        UInt32 hash;
+
+        public Crc32()
+            : this(DefaultPolynomial, DefaultSeed)
+        {
+        }
+
+        public Crc32(UInt32 polynomial, UInt32 seed)
+        {
+            table = InitializeTable(polynomial);
+            this.seed = hash = seed;
+        }
+
+        public override void Initialize()
+        {
+            hash = seed;
+        }
+
+        protected override void HashCore(byte[] array, int ibStart, int cbSize)
+        {
+            hash = CalculateHash(table, hash, array, ibStart, cbSize);
+        }
+
+        protected override byte[] HashFinal()
+        {
+            var hashBuffer = UInt32ToBigEndianBytes(~hash);
+            HashValue = hashBuffer;
+            return hashBuffer;
+        }
+
+        public override int HashSize { get { return 32; } }
+
+        public static UInt32 Compute(byte[] buffer)
+        {
+            return Compute(DefaultSeed, buffer);
+        }
+
+        public static UInt32 Compute(UInt32 seed, byte[] buffer)
+        {
+            return Compute(DefaultPolynomial, seed, buffer);
+        }
+
+        public static UInt32 Compute(UInt32 polynomial, UInt32 seed, byte[] buffer)
+        {
+            return ~CalculateHash(InitializeTable(polynomial), seed, buffer, 0, buffer.Length);
+        }
+
+        static UInt32[] InitializeTable(UInt32 polynomial)
+        {
+            if (polynomial == DefaultPolynomial && defaultTable != null)
+                return defaultTable;
+
+            var createTable = new UInt32[256];
+            for (var i = 0; i < 256; i++)
+            {
+                var entry = (UInt32)i;
+                for (var j = 0; j < 8; j++)
+                    if ((entry & 1) == 1)
+                        entry = (entry >> 1) ^ polynomial;
+                    else
+                        entry = entry >> 1;
+                createTable[i] = entry;
+            }
+
+            if (polynomial == DefaultPolynomial)
+                defaultTable = createTable;
+
+            return createTable;
+        }
+
+        static UInt32 CalculateHash(UInt32[] table, UInt32 seed, IList<byte> buffer, int start, int size)
+        {
+            var crc = seed;
+            for (var i = start; i < size - start; i++)
+                crc = (crc >> 8) ^ table[buffer[i] ^ crc & 0xff];
+            return crc;
+        }
+
+        static byte[] UInt32ToBigEndianBytes(UInt32 uint32)
+        {
+            var result = BitConverter.GetBytes(uint32);
+
+            if (BitConverter.IsLittleEndian)
+                Array.Reverse(result);
+
+            return result;
+        }
+    }
+}

Super Mario Land 3D Savegame Editor/Program.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Windows.Forms;
+
+namespace Super_Mario_Land_3D_Savegame_Editor
+{
+    static class Program
+    {
+        /// <summary>
+        /// Der Haupteinstiegspunkt für die Anwendung.
+        /// </summary>
+        [STAThread]
+        static void Main()
+        {
+            Application.EnableVisualStyles();
+            Application.SetCompatibleTextRenderingDefault(false);
+            Application.Run(new SM3DL_SGE());
+        }
+    }
+}

Super Mario Land 3D Savegame Editor/Properties/AssemblyInfo.cs

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+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// Allgemeine Informationen über eine Assembly werden über die folgenden 
+// Attribute gesteuert. Ändern Sie diese Attributwerte, um die Informationen zu ändern,
+// die mit einer Assembly verknüpft sind.
+[assembly: AssemblyTitle("Super Mario Land 3D Savegame Editor")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("Microsoft")]
+[assembly: AssemblyProduct("Super Mario Land 3D Savegame Editor")]
+[assembly: AssemblyCopyright("Copyright © Microsoft 2015")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Durch Festlegen von ComVisible auf "false" werden die Typen in dieser Assembly unsichtbar 
+// für COM-Komponenten. Wenn Sie auf einen Typ in dieser Assembly von 
+// COM zugreifen müssen, legen Sie das ComVisible-Attribut für diesen Typ auf "true" fest.
+[assembly: ComVisible(false)]
+
+// Die folgende GUID bestimmt die ID der Typbibliothek, wenn dieses Projekt für COM verfügbar gemacht wird
+[assembly: Guid("e78b334b-54d0-4fd0-84bd-98ce56a6c092")]
+
+// Versionsinformationen für eine Assembly bestehen aus den folgenden vier Werten:
+//
+//      Hauptversion
+//      Nebenversion 
+//      Buildnummer
+//      Revision
+//
+// Sie können alle Werte angeben oder die standardmäßigen Build- und Revisionsnummern 
+// übernehmen, indem Sie "*" eingeben:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]