internal Record(string name, uint dataSize, BinaryReader recordReader, FalloutSnip.Domain.Data.DomainDefinition define)
{
this.dataSize = dataSize;
int estimatedCount = Math.Max( Math.Min(16, (int)dataSize/10), 0 );
SubRecords = new AdvancedList<SubRecord>(estimatedCount) { AllowSorting = false };
Name = name;
Flags1 = recordReader.ReadUInt32();
FormID = recordReader.ReadUInt32();
if (define.RecSize >= 12)
Flags2 = recordReader.ReadUInt32();
if (define.RecSize >= 16)
Flags3 = recordReader.ReadUInt32();
bool compressed = (Flags1 & 0x00040000) != 0;
uint amountRead = 0;
uint realSize = dataSize;
if (compressed)
{
realSize = recordReader.ReadUInt32();
dataSize -= 4;
}
using (var stream = new MemoryStream(recordReader.ReadBytes((int)dataSize),false))
using (var br = new BinaryReader(stream))
{
var dataReader = compressed
? Decompressor.Decompress(br, (int)dataSize, (int)realSize, out compressLevel)
: br;
{
while (true)
{
long left = dataReader.BaseStream.Length - dataReader.BaseStream.Position;
if (left < 4)
{
break;
}
string type = ReadRecName(dataReader);
uint size;
if (type == "XXXX")
{
dataReader.ReadUInt16();
size = dataReader.ReadUInt32();
type = ReadRecName(dataReader);
dataReader.ReadUInt16();
}
else
{
size = define.HEDRRecSize == 2 ? dataReader.ReadUInt16() : dataReader.ReadUInt32();
}
var record = new SubRecord(this, type, dataReader, size);
SubRecords.Add(record);
amountRead += (uint)record.Size2;
}
}
}
if (amountRead > realSize)
{
Debug.Print(
" * ERROR: SUB-RECORD {0} DATA DOESN'T MATCH THE SIZE SPECIFIED IN THE HEADER: DATA-SIZE={1} REAL-SIZE={2} AMOUNT-READ={3}",
name, dataSize, realSize, amountRead);
throw new TESParserException(
string.Format(
"Subrecord block did not match the size specified in the record header: ExpectedSize={0} ReadSize={1} DataSize={2}",
realSize, amountRead, dataSize));
}
descNameOverride = DefaultDescriptiveName;
UpdateShortDescription();
// br.BaseStream.Position+=Size;
}
public void Process(FalloutSnip.Data.Subrecord sr, SubRecord subrec)
{
FalloutSnip.Data.SubrecordElement expectedElement = (sr.Elements.Count >= 1) ? sr.Elements[0] : null;
if (expectedElement != null && expectedElement.type == "blob")
return;
byte[] data = subrec.GetReadonlyData();
if (data.Length == 0)
{
if (sr.Elements.Count == 0)
sr.Elements.Add(CreateBlob());
return;
}
if (data.Length == 2) {
// common scenarios
if (expectedElement != null && expectedElement.size == 2)
return;
FalloutSnip.Data.SubrecordElement elem = new FalloutSnip.Data.SubrecordElement();
elem.name = "Unknown";
elem.type = "short";
elem.size = 2;
sr.Elements.Add(elem);
UpdateSize(sr);
return;
}
if (data.Length > 0)
{
bool isAscii = true;
for (int i = 0; i < data.Length - 1 && isAscii; ++i)
isAscii = !Char.IsControl((char)data[i]);
isAscii = (isAscii && data[data.Length - 1] == 0);
if (isAscii)
{
// test if its a string
if (expectedElement == null)
{
FalloutSnip.Data.SubrecordElement elem = new FalloutSnip.Data.SubrecordElement();
elem.name = "Unknown";
elem.type = "string";
sr.Elements.Add(elem);
}
else if (expectedElement.type != "string")
{
sr.Elements.Clear();
sr.Elements.Add(CreateBlob());
}
return;
}
}
for (int offset = 0, elemSize = 4; offset < data.Length; offset += elemSize)
{
if (IsCanceled) return;
int left = data.Length - offset;
if (left >= 4) {
// common scenarios
if (expectedElement != null && expectedElement.size == 4)
continue;
ushort lhs = TypeConverter.h2s(data[offset], data[offset + 1]);
ushort uhs = TypeConverter.h2s(data[offset + 2], data[offset + 3]);
uint ui4 = TypeConverter.h2i(data[offset], data[offset + 1], data[offset + 2], data[offset + 3]);
if (ui4 == 0)
{
if (expectedElement == null)
{
FalloutSnip.Data.SubrecordElement elem = new FalloutSnip.Data.SubrecordElement();
elem.name = "Unknown";
elem.type = "int";
elem.size = 4;
sr.Elements.Add(elem);
UpdateSize(sr);
continue;
}
}
else
{
float flt = TypeConverter.h2f(data[offset], data[offset + 1], data[offset + 2], data[offset + 3]);
if (IsLikelyFloat(flt)) {
// replace element which is int with float
if (expectedElement == null)
{
FalloutSnip.Data.SubrecordElement elem = new FalloutSnip.Data.SubrecordElement();
elem.name = "Unknown";
elem.type = "float";
elem.size = 4;
sr.Elements.Add(elem);
}
else
{
if (expectedElement.type == "int")
expectedElement.type = "float";
}
continue;
}
else
{
Record r = this.FormLookup(ui4);
if (r != null)
{
string reftype = r.DescriptiveName.Substring(0, 4); // ???
if (expectedElement == null)
{
FalloutSnip.Data.SubrecordElement elem = new FalloutSnip.Data.SubrecordElement();
elem.name = "ID";
elem.type = "formid";
elem.reftype = reftype;
elem.size = 4;
sr.Elements.Add(elem);
}
else
{
if (expectedElement.type == "formid")
{
if (expectedElement.reftype != reftype)
expectedElement.reftype = string.Empty;
}
}
continue;
}
else
{
string s = this.StringLookup(ui4);
if (!string.IsNullOrEmpty(s))
{
if (expectedElement == null)
{
FalloutSnip.Data.SubrecordElement elem = new FalloutSnip.Data.SubrecordElement();
elem.name = "Unknown";
elem.type = "string";
sr.Elements.Add(elem);
}
continue;
}
}
if (expectedElement == null)
{
if (lhs > 0 && lhs < 255 && uhs > 0 && uhs < 255)
{
FalloutSnip.Data.SubrecordElement elem = new FalloutSnip.Data.SubrecordElement();
elem.name = "Unknown";
elem.type = "short";
elem.size = 2;
sr.Elements.Add(elem);
sr.Elements.Add(elem);
}
else
{
FalloutSnip.Data.SubrecordElement elem = new FalloutSnip.Data.SubrecordElement();
elem.name = "Unknown";
elem.type = "int";
elem.size = 4;
sr.Elements.Add(elem);
UpdateSize(sr);
}
}
}
}
}
}
if (sr.Elements.Count == 0)
{
sr.Elements.Add(CreateBlob());
}
UpdateSize(sr);
}
internal GroupRecord(uint Size, BinaryReader br, FalloutSnip.Domain.Data.DomainDefinition define, Func<string, bool> recFilter, bool filterAll)
{
Name = "GRUP";
this.data = br.ReadBytes(4);
this.groupType = br.ReadUInt32();
this.dateStamp = br.ReadUInt32();
string contentType = this.groupType == 0 ? Encoding.Instance.GetString(this.data) : string.Empty;
if (define.RecSize >= 16)
{
this.flags = br.ReadUInt32();
}
uint amountRead = 0;
while (amountRead < Size - (define.RecSize+8))
{
string s = ReadRecName(br);
uint recsize = br.ReadUInt32();
if (s == "GRUP")
{
try
{
bool skip = filterAll || (recFilter != null && !recFilter(contentType));
var gr = new GroupRecord(recsize, br, define, recFilter, skip);
if (!filterAll)
{
this.AddRecord(gr);
}
}
catch (Exception e)
{
Alerts.Show(e.Message);
}
finally
{
amountRead += recsize;
}
}
else
{
bool skip = filterAll || (recFilter != null && !recFilter(contentType));
if (skip)
{
long size = recsize + define.RecSize;
// if ((br.ReadUInt32() & 0x00040000) > 0) size += 4;
br.BaseStream.Position += size; // just read past the data
amountRead += (uint)(recsize + (define.RecSize+8));
}
else
{
try
{
var r = new Record(s, recsize, br, define);
this.AddRecord(r);
}
catch (Exception e)
{
Alerts.Show(e.Message);
}
finally
{
amountRead += (uint)(recsize + (define.RecSize+8));
}
}
}
}
this.UpdateShortDescription();
if (amountRead != (Size - (define.RecSize+8)))
{
throw new TESParserException(
string.Format("Record block did not match the size specified in the group header! Header Size={0:D} Group Size={1:D}", Size - (define.RecSize+8), amountRead));
}
}
