internal CacheFile(CacheArgs args)
{
if (!File.Exists(args.FileName))
{
throw Exceptions.FileNotFound(args.FileName);
}
FileName = args.FileName;
ByteOrder = args.ByteOrder;
BuildString = args.BuildString;
CacheType = args.CacheType;
Metadata = args.Metadata;
HeaderTranslator = new SectionAddressTranslator(this, 0);
MetadataTranslator = new TagAddressTranslator(this);
PointerExpander = new PointerExpander(this);
using (var reader = CreateReader(HeaderTranslator))
Header = reader.ReadObject <CacheHeader>((int)CacheType);
//change IndexPointer to use MetadataTranslator instead of HeaderTranslator
Header.IndexPointer = new Pointer64(Header.IndexPointer.Value, MetadataTranslator);
using (var reader = CreateReader(MetadataTranslator))
{
reader.Seek(Header.IndexPointer.Address, SeekOrigin.Begin);
TagIndex = reader.ReadObject(new TagIndex(this));
StringIndex = new StringIndex(this);
TagIndex.ReadItems();
StringIndex.ReadItems();
switch (CacheType)
{
case CacheType.MccHalo3:
case CacheType.MccHalo3U4:
LocaleIndex = new LocaleIndex(this, 464, 80, 12);
break;
case CacheType.MccHalo3ODST:
LocaleIndex = new LocaleIndex(this, 520, 80, 12);
break;
}
}
Task.Factory.StartNew(() =>
{
TagIndex.GetGlobalTag("play")?.ReadMetadata <Halo3.cache_file_resource_layout_table>();
TagIndex.GetGlobalTag("zone")?.ReadMetadata <Halo3.cache_file_resource_gestalt>();
TagIndex.GetGlobalTag("scnr")?.ReadMetadata <Halo3.scenario>();
});
}
public CacheSegmenter(IGen3CacheFile cache)
{
if (cache.CacheType < CacheType.Halo3Retail || cache.Metadata.IsPreRelease)
{
throw new NotSupportedException();
}
this.cache = cache;
var debugTranslator = new SectionAddressTranslator(cache, 0);
var resourceTranslator = new SectionAddressTranslator(cache, 1);
var metadataTranslator = new SectionAddressTranslator(cache, 2);
var localeTranslator = new SectionAddressTranslator(cache, 3);
//header
segments.Add(new Segment(0, cache.GetHeaderSize(), 1));
//eof
segments.Add(new Segment((int)cache.Header.FileSize, 0, 1));
//sections
var origin = (int)resourceTranslator.GetAddress(resourceTranslator.VirtualAddress);
var size = (int)cache.Header.SectionTable[1].Size;
segments.Add(resourceSegment = new Segment(origin, size, 0x1000));
origin = (int)metadataTranslator.GetAddress(metadataTranslator.VirtualAddress);
size = cache.Header.VirtualSize;
segments.Add(metadataSegment = new Segment(origin, size, 0x10000));
//strings
origin = (int)debugTranslator.GetAddress(cache.Header.StringTableIndexPointer.Value);
size = cache.Header.StringCount * 4;
segments.Add(stringsGroup.Add(stringSegments[0] = new Segment(origin, size, 4)));
origin = (int)debugTranslator.GetAddress(cache.Header.StringTablePointer.Value);
size = cache.Header.StringTableSize;
segments.Add(stringsGroup.Add(stringSegments[1] = new Segment(origin, size, cache.UsesStringEncryption ? 16 : 1)));
//tag names
origin = (int)debugTranslator.GetAddress(cache.Header.FileTableIndexPointer.Value);
size = cache.Header.FileCount * 4;
segments.Add(stringsGroup.Add(stringSegments[2] = new Segment(origin, size, 4)));
origin = (int)debugTranslator.GetAddress(cache.Header.FileTablePointer.Value);
size = cache.Header.FileTableSize;
segments.Add(stringsGroup.Add(stringSegments[3] = new Segment(origin, size, 1)));
//only exists in mcc reach (U3+)
var mcc3 = cache.Header as IMccGen3Header;
if (mcc3?.StringNamespaceCount > 0)
{
origin = (int)debugTranslator.GetAddress(mcc3.StringNamespaceTablePointer.Value);
size = mcc3.StringNamespaceCount * 4;
segments.Add(stringSegments[4] = stringsGroup.Add(new Segment(origin, size, 4)));
}
var gen4 = cache.Header as IGen4Header;
if (gen4?.UnknownTableSize > 0)
{
origin = (int)debugTranslator.GetAddress(gen4.UnknownTablePointer.Value);
size = gen4.UnknownTableSize * 16;
segments.Add(stringSegments[5] = stringsGroup.Add(new Segment(origin, size, 16)));
}
for (int i = 0; i < cache.LocaleIndex.Languages.Count; i++)
{
var def = cache.LocaleIndex.Languages[i];
if (def.StringCount <= 0)
{
continue;
}
var segs = new Segment[2];
origin = (int)localeTranslator.GetAddress(def.IndicesOffset);
size = def.StringCount * 8;
segments.Add(segs[0] = localesGroup.Add(new Segment(origin, size, 8)));
origin = (int)localeTranslator.GetAddress(def.StringsOffset);
size = def.StringsSize;
segments.Add(segs[1] = localesGroup.Add(new Segment(origin, size, cache.UsesStringEncryption ? 16 : 1)));
localeSegments.Add(i, segs);
}
segments.Sort((a, b) => a.Offset.CompareTo(b.Offset));
for (int i = 0; i < segments.Count - 1; i++)
{
segments[i].NextSegment = segments[i + 1];
}
}
public void AddMetadata(EndianWriterEx writer, int length, out int insertedAt, out int insertedCount)
{
length = metadataSegment.Expand(length);
cache.Header.FileSize = eofSegment.Offset;
var debugTranslator = new SectionAddressTranslator(cache, 0);
//var metadataTranslator = new SectionAddressTranslator(cache, 2);
var localeTranslator = new SectionAddressTranslator(cache, 3);
var remaining = metadataSegment.AvailableSize - cache.Header.PartitionTable.Skip(1).Sum(p => (int)p.Size);
var pointer = cache.DefaultAddressTranslator.GetPointer(metadataSegment.Offset) - length; //DefaultAddressTranslator should always be the MetadataTranslator
cache.Header.PartitionTable[0].Size = (ulong)remaining;
cache.Header.PartitionTable[0].Address = (ulong)pointer;
var debugSection = cache.Header.SectionTable[0];
var resourceSection = cache.Header.SectionTable[1];
var metadataSection = cache.Header.SectionTable[2];
var localesSection = cache.Header.SectionTable[3];
resourceSection.Size = (uint)resourceSegment.AvailableSize;
localesSection.Address = resourceSection.Address + resourceSection.Size;
localesSection.Size = (uint)localesGroup.AvailableSize;
metadataSection.Address = resourceSection.Address + resourceSection.Size + localesSection.Size;
metadataSection.Size = (uint)metadataSegment.AvailableSize;
debugSection.Address = resourceSection.Address + resourceSection.Size + localesSection.Size + metadataSection.Size;
debugSection.Size = (uint)stringsGroup.AvailableSize;
if (debugSection.Address != 0 && cache.Header.SectionOffsetTable[0] != 0)
{
debugSection.Address -= (uint)cache.Header.PartitionTable[0].Size;
}
var offsets = cache.Header.SectionOffsetTable;
offsets[0] = (uint)(stringsGroup.Offset - debugSection.Address);
offsets[1] = (uint)(resourceSegment.Offset - resourceSection.Address);
offsets[2] = (uint)(metadataSegment.Offset - metadataSection.Address);
offsets[3] = (uint)(localesGroup.Offset - localesSection.Address);
cache.Header.TagDataAddress = (int)metadataSection.Address;
cache.Header.VirtualBaseAddress = pointer;
//index header address
cache.Header.VirtualSize = metadataSegment.AvailableSize;
pointer = debugTranslator.GetPointer(stringSegments[0].Offset);
cache.Header.StringTableIndexPointer = new Pointer((int)pointer, cache.Header.StringTableIndexPointer);
pointer = debugTranslator.GetPointer(stringSegments[1].Offset);
cache.Header.StringTablePointer = new Pointer((int)pointer, cache.Header.StringTablePointer);
pointer = debugTranslator.GetPointer(stringSegments[2].Offset);
cache.Header.FileTableIndexPointer = new Pointer((int)pointer, cache.Header.FileTableIndexPointer);
pointer = debugTranslator.GetPointer(stringSegments[3].Offset);
cache.Header.FileTablePointer = new Pointer((int)pointer, cache.Header.FileTablePointer);
//only exists in mcc reach (U3+)
var mcc3 = cache.Header as IMccGen3Header;
if (mcc3?.StringNamespaceCount > 0)
{
pointer = debugTranslator.GetPointer(stringSegments[4].Offset);
mcc3.StringNamespaceTablePointer = new Pointer((int)pointer, mcc3.StringNamespaceTablePointer);
}
var gen4 = cache.Header as IGen4Header;
if (gen4?.UnknownTableSize > 0)
{
pointer = debugTranslator.GetPointer(stringSegments[5].Offset);
gen4.UnknownTablePointer = new Pointer((int)pointer, gen4.UnknownTablePointer);
}
foreach (var pair in localeSegments)
{
var def = cache.LocaleIndex.Languages[pair.Key];
var segs = pair.Value;
def.IndicesOffset = (int)localeTranslator.GetPointer(segs[0].Offset);
def.StringsOffset = (int)localeTranslator.GetPointer(segs[1].Offset);
}
insertedAt = metadataSegment.Offset;
insertedCount = length;
writer.Seek(0, SeekOrigin.Begin);
writer.WriteObject(cache.Header, (int)cache.CacheType);
writer.Seek(metadataSegment.Offset, SeekOrigin.Begin);
writer.Insert(0, length);
var globalsTag = cache.TagIndex.GetGlobalTag("matg");
writer.Seek(globalsTag.MetaPointer.Address, SeekOrigin.Begin);
writer.WriteObject(cache.LocaleIndex);
}
