SabreTools/SabreTools.Serialization
1
0
Fork 0
mirror of https://github.com/SabreTools/SabreTools.Serialization.git synced 2026-09-25 08:15:15 +00:00
Code Issues 56 Packages Projects Releases 20 Wiki Activity

Add remaining easy offsets per partition

Browse Source
This commit is contained in:
Matt Nadareski
2024-11-14 20:46:56 -05:00
parent 695309bc32
commit b527635fe7
1 changed files with 64 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

64
SabreTools.Serialization/Wrappers/N3DS.cs
View File

@@ -436,6 +436,38 @@ namespace SabreTools.Serialization.Wrappers
return (partitionOffsetMU + exeFsOffsetMU) * MediaUnitSize;
}
/// <summary>
/// Get the offset of a partition logo
/// </summary>
/// <returns>Offset to the logo of the partition, 0 on error</returns>
public uint GetLogoOffset(int index)
{
// No partitions means no size is available
if (PartitionsTable == null || Partitions == null)
return 0;
if (index < 0 || index >= Partitions.Length)
return 0;
// Invalid partition table entry means no size is available
var entry = PartitionsTable[index];
if (entry == null)
return 0;
// Invalid partition means no size is available
var header = Partitions[index];
if (header == null || header.MagicID != NCCHMagicNumber)
return 0;
// If the offset is 0, return 0
uint logoOffsetMU = header.LogoRegionOffsetInMediaUnits;
if (logoOffsetMU == 0)
return 0;
// Return the adjusted offset
uint partitionOffsetMU = entry.Offset;
return (partitionOffsetMU + logoOffsetMU) * MediaUnitSize;
}
/// <summary>
/// Get the offset of a partition
/// </summary>
@@ -462,6 +494,38 @@ namespace SabreTools.Serialization.Wrappers
return partitionOffsetMU * MediaUnitSize;
}
/// <summary>
/// Get the offset of a partition plain region
/// </summary>
/// <returns>Offset to the plain region of the partition, 0 on error</returns>
public uint GetPlainRegionOffset(int index)
{
// No partitions means no size is available
if (PartitionsTable == null || Partitions == null)
return 0;
if (index < 0 || index >= Partitions.Length)
return 0;
// Invalid partition table entry means no size is available
var entry = PartitionsTable[index];
if (entry == null)
return 0;
// Invalid partition means no size is available
var header = Partitions[index];
if (header == null || header.MagicID != NCCHMagicNumber)
return 0;
// If the offset is 0, return 0
uint prOffsetMU = header.PlainRegionOffsetInMediaUnits;
if (prOffsetMU == 0)
return 0;
// Return the adjusted offset
uint partitionOffsetMU = entry.Offset;
return (partitionOffsetMU + prOffsetMU) * MediaUnitSize;
}
/// <summary>
/// Get the offset of a partition RomFS
/// </summary>