private void Load(StructureValueCollection values, FileSegmenter segmenter)
{
segmenter.DefineSegment(0, HeaderSize, 1, SegmentResizeOrigin.Beginning); // Define a segment for the header
_eofSegment = segmenter.WrapEOF((int)values.GetInteger("file size"));
Type = (CacheFileType)values.GetInteger("type");
LoadInteropData(values);
RawTable = CalculateRawTableSegment(segmenter);
InternalName = values.GetString("internal name");
ScenarioName = values.GetString("scenario name");
XDKVersion = (int)values.GetInteger("xdk version");
FileSegment metaSegment = CalculateTagDataSegment(values, segmenter);
if (metaSegment != null)
{
ulong virtualBase = values.GetInteger("virtual base address");
MetaArea = new FileSegmentGroup(new MetaAddressConverter(metaSegment, (long)virtualBase));
MetaArea.AddSegment(metaSegment);
IndexHeaderLocation = SegmentPointer.FromPointer((long)values.GetInteger("index header address"), MetaArea);
Partitions = LoadPartitions(values.GetArray("partitions"));
}
else
{
Partitions = new Partition[0];
}
CalculateStringGroup(values, segmenter);
Checksum = (uint)values.GetInteger("checksum");
}
private static CompressionState AnalyzeSecondGen(IReader reader, EngineDescription engineInfo)
{
// H2 header is uncompressed, so the cache file needs to be loaded enough to check if the tag table is readable
var segmenter = new FileSegmenter(engineInfo.SegmentAlignment);
reader.SeekTo(0);
StructureValueCollection headerValues = StructureReader.ReadStructure(reader, engineInfo.Layouts.GetLayout("header"));
var metaOffset = (int)headerValues.GetInteger("meta offset");
var metaSize = (int)headerValues.GetInteger("meta size");
uint metaOffsetMask = (uint)headerValues.GetInteger("meta offset mask");
var metaSegment = new FileSegment(
segmenter.DefineSegment(metaOffset, metaSize, 0x200, SegmentResizeOrigin.Beginning), segmenter);
var MetaArea = new FileSegmentGroup(new MetaOffsetConverter(metaSegment, metaOffsetMask));
MetaArea.AddSegment(metaSegment);
if (MetaArea.Offset >= reader.Length)
{
return(CompressionState.Compressed);
}
reader.SeekTo(MetaArea.Offset);
StructureValueCollection tagTableValues = StructureReader.ReadStructure(reader, engineInfo.Layouts.GetLayout("meta header"));
if ((uint)tagTableValues.GetInteger("magic") != CharConstant.FromString("tags"))
{
return(CompressionState.Compressed);
}
return(CompressionState.Decompressed);
}
private void Load(StructureValueCollection values, FileSegmenter segmenter)
{
_eofSegment = segmenter.WrapEOF((int)values.GetInteger("file size"));
var metaOffset = (int)values.GetInteger("meta offset");
int metaSize;
// TODO (Dragon): hack for h2 alpha
if (BuildString == "02.01.07.4998")
{
metaSize = (int)values.GetInteger("tag data offset") + (int)values.GetInteger("tag data size");
// hack to rewrite the "meta size" value even though its not actually the meta size
//_saved_meta_size_hack = (uint)values.GetInteger("meta size");
}
else
{
metaSize = (int)values.GetInteger("meta size");
}
var metaSegment = new FileSegment(
segmenter.DefineSegment(metaOffset, metaSize, 0x4, SegmentResizeOrigin.Beginning), segmenter);
// we hacked in a meta header size into the values earlier in the cache load
uint metaOffsetMask = (uint)(values.GetInteger("tag table offset") - values.GetInteger("meta header size"));
MetaArea = new FileSegmentGroup(new MetaOffsetConverter(metaSegment, metaOffsetMask));
IndexHeaderLocation = MetaArea.AddSegment(metaSegment);
Type = (CacheFileType)values.GetInteger("type");
var headerGroup = new FileSegmentGroup();
headerGroup.AddSegment(segmenter.WrapSegment(0, HeaderSize, 1, SegmentResizeOrigin.None));
InternalName = values.GetString("internal name");
Checksum = (uint)values.GetInteger("checksum");
// dummy partition
Partitions = new Partition[1];
Partitions[0] = new Partition(SegmentPointer.FromOffset(MetaArea.Offset, MetaArea), (uint)MetaArea.Size);
// dummy stringids
StringIDCount = 0;
StringIDData = _eofSegment;
StringIDIndexTable = _eofSegment;
}
/*
* private void AdjustPartitions()
* {
* if (MetaArea == null)
* return;
*
* // Find the first partition with a non-null address and change it to the meta area's base address
* Partition partition = Partitions.First(p => p.BasePointer != null);
* if (partition != null)
* partition.BasePointer = SegmentPointer.FromPointer(MetaArea.BasePointer, MetaArea);
*
* // Recalculate the size of each partition
* int partitionEnd = MetaArea.Offset + MetaArea.Size;
* for (int i = Partitions.Length - 1; i >= 0; i--)
* {
* if (Partitions[i].BasePointer == null)
* continue;
*
* int offset = Partitions[i].BasePointer.AsOffset();
* Partitions[i].Size = (uint) (partitionEnd - offset);
* partitionEnd = offset;
* }
* }
*/
/*
* private StructureValueCollection[] SerializePartitions()
* {
* if (Partitions == null)
* return new StructureValueCollection[0];
*
* var results = new StructureValueCollection[Partitions.Length];
* for (int i = 0; i < Partitions.Length; i++)
* {
* var values = new StructureValueCollection();
* values.SetInteger("load address", Partitions[i].BasePointer != null ? Partitions[i].BasePointer.AsPointer() : 0);
* values.SetInteger("size", Partitions[i].Size);
* results[i] = values;
* }
* return results;
* }
*/
/// <summary>
/// Rebuilds the interop data table in a cache file.
/// </summary>
/// <param name="localeArea">The localization area of the file.</param>
/*
* private void RebuildInteropData(FileSegmentGroup localeArea)
* {
*
* FourthGenInteropSection debugSection = Sections[(int) FourthGenInteropSectionType.Debug];
* FourthGenInteropSection rsrcSection = Sections[(int) FourthGenInteropSectionType.Resource];
* FourthGenInteropSection tagSection = Sections[(int) FourthGenInteropSectionType.Tag];
* FourthGenInteropSection localeSection = Sections[(int) FourthGenInteropSectionType.Localization];
*
* // Recompute base addresses
* // Section addresses are usually in the following order: resource, locale, tag, debug.
* // Each address can immediately follow after the previous non-null section,
* // even though this isn't the case in some of the official files (because of removed debug data).
* //
* // TODO: This could possibly be made into a for loop and cleaned up if the pointer converters are stored in an array.
* // I just want to get this working for now.
* rsrcSection.VirtualAddress = 0; // This is always zero
* rsrcSection.Size = (ResourcePointerConverter != null) ? (uint) RawTable.Size : 0;
* localeSection.VirtualAddress = (LocalePointerConverter != null) ? rsrcSection.VirtualAddress + rsrcSection.Size : 0;
* localeSection.Size = (LocalePointerConverter != null) ? (uint) localeArea.Size : 0;
* tagSection.VirtualAddress = (TagBufferPointerConverter != null)
* ? rsrcSection.VirtualAddress + rsrcSection.Size + localeSection.Size
* : 0;
* tagSection.Size = (TagBufferPointerConverter != null) ? (uint) MetaArea.Size : 0;
* debugSection.VirtualAddress = (DebugPointerConverter != null)
* ? rsrcSection.VirtualAddress + rsrcSection.Size + localeSection.Size + tagSection.Size
* : 0;
* debugSection.Size = (DebugPointerConverter != null) ? (uint) StringArea.Size : 0;
*
* // If the offset mask for the debug section wasn't originally zero, then we have to subtract the first partition size from the debug base address
* // Not entirely sure why this is the case, but that's what the official files do
* if (debugSection.VirtualAddress != 0 && SectionOffsetMasks[(int) FourthGenInteropSectionType.Debug] != 0)
* debugSection.VirtualAddress -= Partitions[0].Size;
*
* // Recompute offset masks
* SectionOffsetMasks[(int) FourthGenInteropSectionType.Debug] = (debugSection.Size > 0)
* ? (uint) (StringArea.Offset - debugSection.VirtualAddress)
* : 0;
* SectionOffsetMasks[(int) FourthGenInteropSectionType.Resource] = (rsrcSection.Size > 0)
* ? (uint) (RawTable.Offset - rsrcSection.VirtualAddress)
* : 0;
* SectionOffsetMasks[(int) FourthGenInteropSectionType.Tag] = (tagSection.Size > 0)
* ? (uint) (MetaArea.Offset - tagSection.VirtualAddress)
* : 0;
* SectionOffsetMasks[(int) FourthGenInteropSectionType.Localization] = (localeSection.Size > 0)
* ? (uint) (localeArea.Offset - localeSection.VirtualAddress)
* : 0;
*
* // Update pointer converters
* if (DebugPointerConverter != null)
* DebugPointerConverter.BasePointer = debugSection.VirtualAddress;
* if (ResourcePointerConverter != null)
* ResourcePointerConverter.BasePointer = rsrcSection.VirtualAddress;
* if (TagBufferPointerConverter != null)
* TagBufferPointerConverter.BasePointer = tagSection.VirtualAddress;
* if (LocalePointerConverter != null)
* LocalePointerConverter.BasePointer = localeSection.VirtualAddress;
* }
*/
private void Load(StructureValueCollection map_values, StructureValueCollection tag_values, StructureValueCollection string_values, FileSegmenter map_segmenter)
{
map_segmenter.DefineSegment(0, HeaderSize, 1, SegmentResizeOrigin.Beginning); // Define a segment for the header
_eofSegment = map_segmenter.WrapEOF((int)map_values.GetInteger("file size"));
//LoadInteropData(map_values, tag_values);
//RawTable = CalculateRawTableSegment(segmenter);
Type = (CacheFileType)map_values.GetInteger("type");
InternalName = map_values.GetString("internal name");
ScenarioPath = map_values.GetString("scenario path");
uint index_header_address = map_values.GetInteger("index header address");
// File Segment
FileSegmenter tags_segmenter = new FileSegmenter();
tags_segmenter.DefineSegment(0, (int)EngineInfo.TagsDataSize, 0x1, SegmentResizeOrigin.Beginning); // Define a segment for the header
FileSegment metaSegment = new FileSegment(0, tags_segmenter);
//FileSegment metaSegment = CalculateTagDataSegment(tag_values, segmenter);
MetaArea = new FileSegmentGroup(new MetaAddressConverter(metaSegment, index_header_address));
MetaArea.AddSegment(metaSegment);
IndexHeaderLocation = SegmentPointer.FromPointer(index_header_address, MetaArea);
//XDKVersion = (int) values.GetInteger("xdk version");
/*
* FileSegment metaSegment = CalculateTagDataSegment(values, segmenter);
* if (metaSegment != null)
* {
* uint virtualBase = values.GetInteger("virtual base address");
* MetaArea = new FileSegmentGroup(new MetaAddressConverter(metaSegment, virtualBase));
* MetaArea.AddSegment(metaSegment);
*
* IndexHeaderLocation = SegmentPointer.FromPointer(values.GetInteger("index header address"), MetaArea);
* Partitions = LoadPartitions(values.GetArray("partitions"));
* }
* else
* {
* Partitions = new Partition[0];
* }
*/
CalculateStringGroup(string_values, map_segmenter);
}
/// <summary>
/// Adds a tag to the table and allocates space for its base data.
/// </summary>
/// <param name="classMagic">The magic number (ID) of the tag's class.</param>
/// <param name="baseSize">The size of the data to initially allocate for the tag.</param>
/// <param name="stream">The stream to write to.</param>
/// <returns>
/// The tag that was allocated.
/// </returns>
public override ITag AddTag(int classMagic, int baseSize, IStream stream)
{
/*
* //if (_indexHeaderLocation == null)
* // throw new InvalidOperationException("Tags cannot be added to a shared map");
*
* ITagClass tagClass = Classes.FirstOrDefault(c => (c.Magic == classMagic));
* if (tagClass == null)
* throw new InvalidOperationException("Invalid tag class");
*
* uint address = _allocator.Allocate(baseSize, stream);
* var index = new DatumIndex(0x4153, (ushort) _tags.Count); // 0x4153 = 'AS' because the salt doesn't matter
* var result = new FourthGenTag(index, tagClass, (uint)stream.Position);
* _tags.Add(result);
*
* return result;
* */
ITagClass tagClass = Classes.FirstOrDefault(c => (c.Magic == classMagic));
if (tagClass == null)
{
throw new InvalidOperationException("Invalid tag class");
}
var offset = stream.BaseStream.Position;
uint address = _allocator.Allocate(baseSize, stream);
var index = new DatumIndex(0x4153, (ushort)_tags.Count); // 0x4153 = 'AS' because the salt doesn't matter
// File Segment
FileSegmenter segmenter = new FileSegmenter();
segmenter.DefineSegment(0, (int)stream.Length, 0x4, SegmentResizeOrigin.Beginning); // Define a segment for the header
//_eofSegment = segmenter.WrapEOF((int)map_values.GetInteger("file size"));
FileSegment segment = new FileSegment(0, segmenter);
FileSegmentGroup segmentgroup = new FileSegmentGroup();
SegmentPointer pointer = new SegmentPointer(segment, segmentgroup, (int)offset);
FourthGenTag result = new FourthGenTag(index, tagClass, pointer, pointer);
_tags.Add(result);
return(result);
}
private void Load(StructureValueCollection values, FileSegmenter segmenter)
{
_eofSegment = segmenter.WrapEOF((int)values.GetInteger("file size"));
var metaOffset = (int)values.GetInteger("meta offset");
var metaSize = (int)values.GetInteger("meta size");
uint metaOffsetMask = values.GetInteger("meta offset mask");
var metaSegment = new FileSegment(
segmenter.DefineSegment(metaOffset, metaSize, 0x200, SegmentResizeOrigin.Beginning), segmenter);
MetaArea = new FileSegmentGroup(new MetaOffsetConverter(metaSegment, metaOffsetMask));
IndexHeaderLocation = MetaArea.AddSegment(metaSegment);
Type = (CacheFileType)values.GetInteger("type");
var headerGroup = new FileSegmentGroup();
headerGroup.AddSegment(segmenter.WrapSegment(0, HeaderSize, 1, SegmentResizeOrigin.None));
StringIDCount = (int)values.GetInteger("string table count");
var sidDataSize = (int)values.GetInteger("string table size");
StringIDData = segmenter.WrapSegment((int)values.GetInteger("string table offset"), sidDataSize, 1,
SegmentResizeOrigin.End);
StringIDIndexTable = segmenter.WrapSegment((int)values.GetInteger("string index table offset"), StringIDCount * 4, 4,
SegmentResizeOrigin.End);
FileNameCount = (int)values.GetInteger("file table count");
var fileDataSize = (int)values.GetInteger("file table size");
FileNameData = segmenter.WrapSegment((int)values.GetInteger("file table offset"), fileDataSize, 1,
SegmentResizeOrigin.End);
FileNameIndexTable = segmenter.WrapSegment((int)values.GetInteger("file index table offset"), FileNameCount * 4, 4,
SegmentResizeOrigin.End);
InternalName = values.GetString("internal name");
ScenarioName = values.GetString("scenario name");
StringArea = new FileSegmentGroup();
StringArea.AddSegment(segmenter.WrapSegment((int)values.GetInteger("string block offset"), StringIDCount * 0x80, 0x80,
SegmentResizeOrigin.End));
StringArea.AddSegment(StringIDIndexTable);
StringArea.AddSegment(StringIDData);
StringArea.AddSegment(FileNameIndexTable);
StringArea.AddSegment(FileNameData);
StringIDIndexTableLocation = SegmentPointer.FromOffset(StringIDIndexTable.Offset, StringArea);
StringIDDataLocation = SegmentPointer.FromOffset(StringIDData.Offset, StringArea);
FileNameIndexTableLocation = SegmentPointer.FromOffset(FileNameIndexTable.Offset, StringArea);
FileNameDataLocation = SegmentPointer.FromOffset(FileNameData.Offset, StringArea);
LocaleArea = new FileSegmentGroup();
var rawTableOffset = (int)values.GetInteger("raw table offset");
var rawTableSize = (int)values.GetInteger("raw table size");
RawTable = segmenter.WrapSegment(rawTableOffset, rawTableSize, 1, SegmentResizeOrigin.End);
Checksum = values.GetInteger("checksum");
// Set up a bogus partition table
Partitions = new Partition[1];
Partitions[0] = new Partition(SegmentPointer.FromOffset(MetaArea.Offset, MetaArea), (uint)MetaArea.Size);
}
private List <ITag> LoadTags(IReader reader, StructureValueCollection headerValues, IList <ITagClass> classes)
{
/*
* StructureLayout layout = _buildInfo.Layouts.GetLayout("tag entry");
* StructureValueCollection[] entries = ReflexiveReader.ReadReflexive(reader, count, address, layout, _metaArea);
* return
* entries.Select<StructureValueCollection, ITag>((e, i) => new FourthGenTag(e, (ushort) i, _metaArea, classes))
* .ToList();
*/
List <ITag> tags = new List <ITag>(); // New list of tags
reader.SeekTo(0);
var count = (int)headerValues.GetInteger("number of tags");
uint address = headerValues.GetInteger("tag table address");
StructureLayout layout = _buildInfo.Layouts.GetLayout("tag entry");
// File Segment
FileSegmenter segmenter = new FileSegmenter();
segmenter.DefineSegment(0, (int)reader.Length, 0x4, SegmentResizeOrigin.Beginning); // Define a segment for the header
//_eofSegment = segmenter.WrapEOF((int)map_values.GetInteger("file size"));
FileSegment segment = new FileSegment(0, segmenter);
FileSegmentGroup segmentgroup = new FileSegmentGroup();
// Find all of the tag offsets
reader.BaseStream.Position = address; // Start at the beginning og the offsets
List <uint> tagOffsets = new List <uint>();
for (int i = 0; i < count; i++)
{
tagOffsets.Add(reader.ReadUInt32());
}
reader.BaseStream.Position = tagOffsets[0];
for (int i = 0; i < count; i++) // Loop through each offset
{
//if (tagOffsets[i] == 0) tags.Add(null);
//else
if (tagOffsets[i] != 0)
{
//var headerOffset = (uint)reader.BaseStream.Position;
/*
* var checksum = reader.ReadUInt32(); // 0x00 uint32 checksum?
* var totalSize = reader.ReadUInt32(); // 0x04 uint32 total size
* var numDependencies = reader.ReadInt16(); // 0x08 int16 dependencies count
* var numDataFixups = reader.ReadInt16(); // 0x0A int16 data fixup count
* var numResourceFixups = reader.ReadInt16(); // 0x0C int16 resource fixup count
* reader.BaseStream.Position += 2; // 0x0E int16 (padding)
* var mainStructOffset = reader.ReadUInt32(); // 0x10 uint32 main struct offset
* var tagClass = reader.ReadInt32(); // 0x14 int32 class
* var parentClass = reader.ReadInt32(); // 0x18 int32 parent class
* var grandparentClass = reader.ReadInt32(); // 0x1C int32 grandparent class
* var classId = reader.ReadUInt32(); // 0x20 uint32 class stringid
*/
/*
*
* reader.BaseStream.Position = tagOffsets[i];
* StructureValueCollection tag_entry_values = StructureReader.ReadStructure(reader, layout);
* uint id = tag_entry_values.GetInteger("magic");
* if(id == 0x3c66783e )
* {
* uint x = id;
* }
* //ITagClass tagclass = TryAddClass(tag_entry_values);
* //FourthGenTag tag = new FourthGenTag(new DatumIndex(headerOffset), tagclass, headerOffset);
*
* uint tag_offset = tagOffsets[i];
* //SegmentPointer pointer = new SegmentPointer(segment, segmentgroup, (int)tag_offset);
*
* uint dep_size = (tag_entry_values.GetInteger("dependencies count") * 4 + tag_entry_values.GetInteger("data fixups count") * 4 + tag_entry_values.GetInteger("resource fixups count") * 4);
* tag_offset += tag_entry_values.GetInteger("total size") - (tag_entry_values.GetInteger("main struct offset") + dep_size);
*
* ITagClass tagclass = TryAddClass(tag_entry_values);
* //FourthGenTag tag = new FourthGenTag(new DatumIndex(headerOffset), tagclass, headerOffset);
*
* SegmentPointer pointer = new SegmentPointer(segment, segmentgroup, (int)(tag_offset));
*
* FourthGenTag tag = new FourthGenTag(new DatumIndex(tag_offset), tagclass, pointer);
* tags.Add(tag);
* */
var headerOffset = tagOffsets[i];
reader.BaseStream.Position = headerOffset;
StructureValueCollection tag_entry_values = StructureReader.ReadStructure(reader, layout);
reader.BaseStream.Position = tagOffsets[i] + 0x24;
int structOffset = (int)tag_entry_values.GetInteger("main struct offset");
int metaOffset = (int)tagOffsets[i] + structOffset;
ITagClass tagclass = TryAddClass(tag_entry_values);
//SegmentPointer pointer = new SegmentPointer(segment, segmentgroup, metaOffset);
//FourthGenTag tag = new FourthGenTag(new DatumIndex((uint)i), tagclass, pointer);
SegmentPointer hdrPointer = new SegmentPointer(segment, segmentgroup, (int)headerOffset);
SegmentPointer pointer = new SegmentPointer(segment, segmentgroup, metaOffset);
FourthGenTag tag = new FourthGenTag(new DatumIndex((uint)i), tagclass, hdrPointer, pointer);
tags.Add(tag);
}
else // Null Tag
{
FourthGenTag tag = new FourthGenTag(new DatumIndex((uint)i), null, null, null);
tags.Add(tag);
}
}
return(tags.Where(t => t != null).ToList()); // Remove NULL Entries
}
private void Load(StructureValueCollection values, FileSegmenter segmenter)
{
_eofSegment = segmenter.WrapEOF((int)values.GetInteger("file size"));
var metaOffset = (int)values.GetInteger("meta offset");
int tagTableSize = (int)values.GetInteger("tag data offset");
int tagDataSize = (int)values.GetInteger("tag data size");
var headSegment = new FileSegment(
segmenter.DefineSegment(metaOffset, tagTableSize, 0x1000, SegmentResizeOrigin.Beginning), segmenter);
//xbox haxx, we can assume thru the existance of the code-set xbox mask
uint metaOffsetMask;
FileSegment metaSegment = null;
if (values.HasInteger("xbox meta offset mask"))
{
// store the stock meta size since xbox's size is virtual
//todo: figure out how this is calculated instead of doing a hack
_saved_meta_size_hack = (uint)values.GetInteger("meta size");
metaOffsetMask = (uint)values.GetInteger("xbox meta offset mask");
metaSegment = new FileSegment(
segmenter.DefineSegment(metaOffset + tagTableSize, tagDataSize, 0x4, SegmentResizeOrigin.End), segmenter);
}
else
{
metaOffsetMask = (uint)values.GetInteger("meta offset mask");
metaSegment = new FileSegment(
segmenter.DefineSegment(metaOffset + tagTableSize, tagDataSize, 0x1000, SegmentResizeOrigin.End), segmenter);
}
MetaArea = new FileSegmentGroup(new MetaOffsetConverter(headSegment, metaOffsetMask));
IndexHeaderLocation = MetaArea.AddSegment(headSegment);
MetaArea.AddSegment(metaSegment);
Type = (CacheFileType)values.GetInteger("type");
var headerGroup = new FileSegmentGroup();
headerGroup.AddSegment(segmenter.WrapSegment(0, HeaderSize, 1, SegmentResizeOrigin.None));
StringIDCount = (int)values.GetInteger("string table count");
var sidDataSize = (int)values.GetInteger("string table size");
StringIDData = segmenter.WrapSegment((int)values.GetInteger("string table offset"), sidDataSize, 1,
SegmentResizeOrigin.End);
StringIDIndexTable = segmenter.WrapSegment((int)values.GetInteger("string index table offset"), StringIDCount * 4, 4,
SegmentResizeOrigin.End);
if (values.HasInteger("file table count"))
{
FileNameCount = (int)values.GetInteger("file table count");
var fileDataSize = (int)values.GetInteger("file table size");
FileNameData = segmenter.WrapSegment((int)values.GetInteger("file table offset"), fileDataSize, 1,
SegmentResizeOrigin.End);
FileNameIndexTable = segmenter.WrapSegment((int)values.GetInteger("file index table offset"), FileNameCount * 4, 4,
SegmentResizeOrigin.End);
}
InternalName = values.GetString("internal name");
ScenarioName = values.GetString("scenario name");
StringArea = new FileSegmentGroup();
if (values.HasInteger("string block offset"))
{
StringArea.AddSegment(segmenter.WrapSegment((int)values.GetInteger("string block offset"), StringIDCount * 0x80, 0x80,
SegmentResizeOrigin.End));
}
StringArea.AddSegment(StringIDIndexTable);
StringArea.AddSegment(StringIDData);
StringIDIndexTableLocation = SegmentPointer.FromOffset(StringIDIndexTable.Offset, StringArea);
StringIDDataLocation = SegmentPointer.FromOffset(StringIDData.Offset, StringArea);
if (FileNameIndexTable != null)
{
StringArea.AddSegment(FileNameIndexTable);
StringArea.AddSegment(FileNameData);
FileNameIndexTableLocation = SegmentPointer.FromOffset(FileNameIndexTable.Offset, StringArea);
FileNameDataLocation = SegmentPointer.FromOffset(FileNameData.Offset, StringArea);
}
int rawTableOffset;
int rawTableSize;
if (values.HasInteger("raw table offset"))
{
rawTableOffset = (int)values.GetInteger("raw table offset");
rawTableSize = (int)values.GetInteger("raw table size");
// It is apparently possible to create a cache without a raw table, but -1 gets written as the offset
if (rawTableOffset != -1)
{
RawTable = segmenter.WrapSegment(rawTableOffset, rawTableSize, 0x80, SegmentResizeOrigin.End);
}
}
Checksum = (uint)values.GetInteger("checksum");
// Set up a bogus partition table
Partitions = new Partition[1];
Partitions[0] = new Partition(SegmentPointer.FromOffset(MetaArea.Offset, MetaArea), (uint)MetaArea.Size);
}
private void Load(StructureValueCollection values, FileSegmenter segmenter)
{
_eofSegment = segmenter.WrapEOF((int)values.GetInteger("file size"));
var metaOffset = (int)values.GetInteger("meta offset");
int metaSize;
if (values.HasInteger("tag data offset"))
{
metaSize = (int)values.GetInteger("tag data offset") + (int)values.GetInteger("tag data size");
}
else
{
metaSize = (int)values.GetInteger("meta size");
}
// store the stock meta size since xbox's size is virtual
//todo: figure out how this is calculated instead of doing a hack
_saved_meta_size_hack = (uint)values.GetInteger("meta size");
var metaSegment = new FileSegment(
segmenter.DefineSegment(metaOffset, metaSize, 0x4, SegmentResizeOrigin.Beginning), segmenter);
uint metaOffsetMask;
if (values.HasInteger("xbox meta offset mask"))
{
metaOffsetMask = (uint)values.GetInteger("xbox meta offset mask");
}
else
{
metaOffsetMask = (uint)(values.GetInteger("tag table offset") - values.GetInteger("meta header size"));
}
MetaArea = new FileSegmentGroup(new MetaOffsetConverter(metaSegment, metaOffsetMask));
IndexHeaderLocation = MetaArea.AddSegment(metaSegment);
Type = (CacheFileType)values.GetInteger("type");
var headerGroup = new FileSegmentGroup();
headerGroup.AddSegment(segmenter.WrapSegment(0, HeaderSize, 1, SegmentResizeOrigin.None));
//h2 alpha forcing this to be shoved in
if (values.HasInteger("string table count"))
{
StringIDCount = (int)values.GetInteger("string table count");
var sidDataSize = (int)values.GetInteger("string table size");
StringIDData = segmenter.WrapSegment((int)values.GetInteger("string table offset"), sidDataSize, 1,
SegmentResizeOrigin.End);
StringIDIndexTable = segmenter.WrapSegment((int)values.GetInteger("string index table offset"), StringIDCount * 4, 4,
SegmentResizeOrigin.End);
StringArea = new FileSegmentGroup();
if (values.HasInteger("string block offset"))
{
StringArea.AddSegment(segmenter.WrapSegment((int)values.GetInteger("string block offset"), StringIDCount * 0x80, 0x80,
SegmentResizeOrigin.End));
}
StringArea.AddSegment(StringIDIndexTable);
StringArea.AddSegment(StringIDData);
StringIDIndexTableLocation = SegmentPointer.FromOffset(StringIDIndexTable.Offset, StringArea);
StringIDDataLocation = SegmentPointer.FromOffset(StringIDData.Offset, StringArea);
}
else
{
//dummy
StringIDCount = 0;
StringIDData = _eofSegment;
StringIDIndexTable = _eofSegment;
}
InternalName = values.GetString("internal name");
Checksum = (uint)values.GetInteger("checksum");
// dummy partition
Partitions = new Partition[1];
Partitions[0] = new Partition(SegmentPointer.FromOffset(MetaArea.Offset, MetaArea), (uint)MetaArea.Size);
}