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https://github.com/SabreTools/BinaryObjectScanner.git
synced 2026-04-21 21:54:13 +00:00
Add NDS builder
This commit is contained in:
Matt Nadareski
@@ -1,5 +1,4 @@
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using System.IO;
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using System.Linq;
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using System.Text;
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using BurnOutSharp.Models.BFPK;
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using BurnOutSharp.Utilities;
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192
BurnOutSharp.Builders/Nitro.cs
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192
BurnOutSharp.Builders/Nitro.cs
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@@ -0,0 +1,192 @@
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using System.IO;
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using System.Text;
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using BurnOutSharp.Models.Nitro;
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using BurnOutSharp.Utilities;
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namespace BurnOutSharp.Builders
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{
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public class Nitro
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{
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#region Byte Data
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/// <summary>
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/// Parse a byte array into a NDS cart image
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/// </summary>
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/// <param name="data">Byte array to parse</param>
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/// <param name="offset">Offset into the byte array</param>
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/// <returns>Filled cart image on success, null on error</returns>
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public static Cart ParseCart(byte[] data, int offset)
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{
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// If the data is invalid
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if (data == null)
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return null;
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// If the offset is out of bounds
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if (offset < 0 || offset >= data.Length)
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return null;
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// Create a memory stream and parse that
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MemoryStream dataStream = new MemoryStream(data, offset, data.Length - offset);
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return ParseCart(dataStream);
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}
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#endregion
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#region Stream Data
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/// <summary>
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/// Parse a Stream into a NDS cart image
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/// </summary>
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/// <param name="data">Stream to parse</param>
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/// <returns>Filled cart image on success, null on error</returns>
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public static Cart ParseCart(Stream data)
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{
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// If the data is invalid
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if (data == null || data.Length == 0 || !data.CanSeek || !data.CanRead)
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return null;
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// If the offset is out of bounds
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if (data.Position < 0 || data.Position >= data.Length)
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return null;
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// Cache the current offset
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int initialOffset = (int)data.Position;
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// Create a new cart image to fill
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var cart = new Cart();
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#region Header
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// Try to parse the header
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var header = ParseHeader(data);
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if (header == null)
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return null;
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// Set the cart image header
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cart.Header = header;
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#endregion
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#region Secure Area
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// Try to get the secure area offset
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int secureAreaOffset = 0x4000;
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if (secureAreaOffset > data.Length)
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return null;
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// Seek to the secure area
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data.Seek(secureAreaOffset, SeekOrigin.Begin);
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// Read the secure area without processing
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cart.SecureArea = data.ReadBytes(0x800);
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#endregion
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return cart;
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}
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/// <summary>
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/// Parse a Stream into a header
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/// </summary>
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/// <param name="data">Stream to parse</param>
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/// <returns>Filled header on success, null on error</returns>
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private static Header ParseHeader(Stream data)
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{
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// TODO: Use marshalling here instead of building
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Header header = new Header();
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byte[] gameTitle = data.ReadBytes(0x0C);
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header.GameTitle = Encoding.ASCII.GetString(gameTitle);
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header.Gamecode = data.ReadUInt32();
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byte[] makerCode = data.ReadBytes(2);
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header.Makercode = Encoding.ASCII.GetString(bytes: makerCode);
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header.Unitcode = (Unitcode)data.ReadByteValue();
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header.EncryptionSeedSelect = data.ReadByteValue();
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header.Devicecapacity = data.ReadByteValue();
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header.Reserved1 = data.ReadBytes(7);
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header.GameRevision = data.ReadUInt16();
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header.RomVersion = data.ReadByteValue();
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header.InternalFlags = data.ReadByteValue();
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header.ARM9RomOffset = data.ReadUInt32();
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header.ARM9EntryAddress = data.ReadUInt32();
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header.ARM9LoadAddress = data.ReadUInt32();
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header.ARM9Size = data.ReadUInt32();
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header.ARM7RomOffset = data.ReadUInt32();
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header.ARM7EntryAddress = data.ReadUInt32();
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header.ARM7LoadAddress = data.ReadUInt32();
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header.ARM7Size = data.ReadUInt32();
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header.FileNameTableOffset = data.ReadUInt32();
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header.FileNameTableLength = data.ReadUInt32();
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header.FileAllocationTableOffset = data.ReadUInt32();
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header.FileAllocationTableLength = data.ReadUInt32();
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header.ARM9OverlayOffset = data.ReadUInt32();
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header.ARM9OverlayLength = data.ReadUInt32();
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header.ARM7OverlayOffset = data.ReadUInt32();
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header.ARM7OverlayLength = data.ReadUInt32();
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header.SecureDisable = data.ReadBytes(8);
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header.NTRRegionRomSize = data.ReadUInt32();
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header.HeaderSize = data.ReadUInt32();
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header.Reserved2 = data.ReadBytes(56);
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header.NintendoLogo = data.ReadBytes(156);
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header.NintendoLogoCRC = data.ReadUInt16();
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header.DebuggerReserved = data.ReadBytes(0x20);
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// If we have a DSi compatible title
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if (header.Unitcode == Unitcode.NDSPlusDSi || header.Unitcode == Unitcode.DSi)
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{
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header.GlobalMBK15Settings = data.ReadBytes(20);
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header.LocalMBK68SettingsARM9 = data.ReadBytes(12);
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header.LocalMBK68SettingsARM7 = data.ReadBytes(12);
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header.GlobalMBK9Setting = data.ReadBytes(4);
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header.RegionFlags = data.ReadBytes(4);
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header.AccessControl = data.ReadBytes(4);
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header.ARM7SCFGEXTMask = data.ReadBytes(4);
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header.ReservedFlags = data.ReadBytes(4);
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header.ARM9iRomOffset = data.ReadUInt32();
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header.Reserved3 = data.ReadBytes(4);
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header.ARM9iLoadAddress = data.ReadUInt32();
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header.ARM9iSize = data.ReadUInt32();
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header.ARM7iRomOffset = data.ReadUInt32();
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header.Reserved4 = data.ReadBytes(4);
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header.ARM7iLoadAddress = data.ReadUInt32();
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header.ARM7iSize = data.ReadUInt32();
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header.DigestNTRRegionOffset = data.ReadUInt32();
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header.DigestNTRRegionLength = data.ReadUInt32();
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header.DigestTWLRegionOffset = data.ReadUInt32();
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header.DigestTWLRegionLength = data.ReadUInt32();
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header.DigestSectorHashtableRegionOffset = data.ReadUInt32();
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header.DigestSectorHashtableRegionLength = data.ReadUInt32();
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header.DigestBlockHashtableRegionOffset = data.ReadUInt32();
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header.DigestBlockHashtableRegionLength = data.ReadUInt32();
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header.DigestSectorSize = data.ReadUInt32();
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header.DigestBlockSectorCount = data.ReadUInt32();
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header.IconBannerSize = data.ReadUInt32();
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header.Unknown1 = data.ReadBytes(4);
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header.ModcryptArea1Offset = data.ReadUInt32();
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header.ModcryptArea1Size = data.ReadUInt32();
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header.ModcryptArea2Offset = data.ReadUInt32();
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header.ModcryptArea2Size = data.ReadUInt32();
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header.TitleID = data.ReadBytes(8);
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header.DSiWarePublicSavSize = data.ReadUInt32();
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header.DSiWarePrivateSavSize = data.ReadUInt32();
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header.ReservedZero = data.ReadBytes(176);
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header.Unknown2 = data.ReadBytes(0x10);
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header.ARM9WithSecureAreaSHA1HMACHash = data.ReadBytes(20);
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header.ARM7SHA1HMACHash = data.ReadBytes(20);
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header.DigestMasterSHA1HMACHash = data.ReadBytes(20);
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header.BannerSHA1HMACHash = data.ReadBytes(20);
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header.ARM9iDecryptedSHA1HMACHash = data.ReadBytes(20);
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header.ARM7iDecryptedSHA1HMACHash = data.ReadBytes(20);
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header.Reserved5 = data.ReadBytes(40);
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header.ARM9NoSecureAreaSHA1HMACHash = data.ReadBytes(20);
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header.Reserved6 = data.ReadBytes(2636);
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header.ReservedAndUnchecked = data.ReadBytes(0x180);
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header.RSASignature = data.ReadBytes(0x80);
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}
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return header;
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}
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#endregion
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}
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}
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18
BurnOutSharp.Models/Nitro/Cart.cs
Normal file
18
BurnOutSharp.Models/Nitro/Cart.cs
Normal file
@@ -0,0 +1,18 @@
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namespace BurnOutSharp.Models.Nitro
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{
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/// <summary>
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/// Represents a DS cart image
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/// </summary>
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public class Cart
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{
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/// <summary>
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/// DS cart header
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/// </summary>
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public Header Header { get; set; }
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/// <summary>
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/// Secure area, may be encrypted or decrypted
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/// </summary>
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public byte[] SecureArea { get; set; }
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}
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}
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