private static DataBlock ReadDataBlock(IReader reader, byte version)
{
if (version > 6)
throw new InvalidOperationException("Unrecognized \"data\" block version");
// Block data
uint originalAddress = reader.ReadUInt32();
int entryCount = (version >= 1) ? reader.ReadInt32() : 1;
int align = (version >= 3) ? reader.ReadInt32() : 4;
byte[] data = ReadByteArray(reader);
var block = new DataBlock(originalAddress, entryCount, align, data);
// Address fixups
int numAddressFixups = reader.ReadInt32();
for (int i = 0; i < numAddressFixups; i++)
{
uint dataAddress = reader.ReadUInt32();
int writeOffset = reader.ReadInt32();
block.AddressFixups.Add(new DataBlockAddressFixup(dataAddress, writeOffset));
}
// Tagref fixups
int numTagFixups = reader.ReadInt32();
for (int i = 0; i < numTagFixups; i++)
{
var datum = new DatumIndex(reader.ReadUInt32());
int writeOffset = reader.ReadInt32();
block.TagFixups.Add(new DataBlockTagFixup(datum, writeOffset));
}
// Resource reference fixups
int numResourceFixups = reader.ReadInt32();
for (int i = 0; i < numResourceFixups; i++)
{
var datum = new DatumIndex(reader.ReadUInt32());
int writeOffset = reader.ReadInt32();
block.ResourceFixups.Add(new DataBlockResourceFixup(datum, writeOffset));
}
if (version >= 2)
{
// StringID fixups
int numSIDFixups = reader.ReadInt32();
for (int i = 0; i < numSIDFixups; i++)
{
string str = reader.ReadAscii();
int writeOffset = reader.ReadInt32();
block.StringIDFixups.Add(new DataBlockStringIDFixup(str, writeOffset));
}
}
if (version >= 4)
{
// Shader fixups
int numShaderFixups = reader.ReadInt32();
for (int i = 0; i < numShaderFixups; i++)
{
int writeOffset = reader.ReadInt32();
int shaderDataSize = reader.ReadInt32();
byte[] shaderData = reader.ReadBlock(shaderDataSize);
block.ShaderFixups.Add(new DataBlockShaderFixup(writeOffset, shaderData));
}
}
if (version >= 5)
{
// Unicode string list fixups
int numUnicListFixups = reader.ReadInt32();
for (int i = 0; i < numUnicListFixups; i++)
{
// Version 5 is buggy and doesn't include a language index :x
int languageIndex = i;
if (version >= 6)
languageIndex = reader.ReadInt32();
int writeOffset = reader.ReadInt32();
int numStrings = reader.ReadInt32();
UnicListFixupString[] strings = new UnicListFixupString[numStrings];
for (int j = 0; j < numStrings; j++)
{
string stringId = reader.ReadAscii();
string str = reader.ReadUTF8();
strings[j] = new UnicListFixupString(stringId, str);
}
block.UnicListFixups.Add(new DataBlockUnicListFixup(languageIndex, writeOffset, strings));
}
}
return block;
}
private static DataBlock ReadDataBlock(IReader reader, byte version)
{
if (version > 7)
{
throw new InvalidOperationException("Unrecognized \"data\" block version");
}
// Block data
uint originalAddress = reader.ReadUInt32();
int entryCount = (version >= 1) ? reader.ReadInt32() : 1;
int align = (version >= 3) ? reader.ReadInt32() : 4;
bool sort = false;
if (version >= 7)
{
byte sortval = reader.ReadByte();
sort = sortval > 0;
}
byte[] data = ReadByteArray(reader);
var block = new DataBlock(originalAddress, entryCount, align, sort, data);
// Address fixups
int numAddressFixups = reader.ReadInt32();
for (int i = 0; i < numAddressFixups; i++)
{
uint dataAddress = reader.ReadUInt32();
int writeOffset = reader.ReadInt32();
block.AddressFixups.Add(new DataBlockAddressFixup(dataAddress, writeOffset));
}
// Tagref fixups
int numTagFixups = reader.ReadInt32();
for (int i = 0; i < numTagFixups; i++)
{
var datum = new DatumIndex(reader.ReadUInt32());
int writeOffset = reader.ReadInt32();
block.TagFixups.Add(new DataBlockTagFixup(datum, writeOffset));
}
// Resource reference fixups
int numResourceFixups = reader.ReadInt32();
for (int i = 0; i < numResourceFixups; i++)
{
var datum = new DatumIndex(reader.ReadUInt32());
int writeOffset = reader.ReadInt32();
block.ResourceFixups.Add(new DataBlockResourceFixup(datum, writeOffset));
}
if (version >= 2)
{
// StringID fixups
int numSIDFixups = reader.ReadInt32();
for (int i = 0; i < numSIDFixups; i++)
{
string str = reader.ReadAscii();
int writeOffset = reader.ReadInt32();
block.StringIDFixups.Add(new DataBlockStringIDFixup(str, writeOffset));
}
}
if (version >= 4)
{
// Shader fixups
int numShaderFixups = reader.ReadInt32();
for (int i = 0; i < numShaderFixups; i++)
{
int writeOffset = reader.ReadInt32();
int shaderDataSize = reader.ReadInt32();
byte[] shaderData = reader.ReadBlock(shaderDataSize);
block.ShaderFixups.Add(new DataBlockShaderFixup(writeOffset, shaderData));
}
}
if (version >= 5)
{
// Unicode string list fixups
int numUnicListFixups = reader.ReadInt32();
for (int i = 0; i < numUnicListFixups; i++)
{
// Version 5 is buggy and doesn't include a language index :x
int languageIndex = i;
if (version >= 6)
{
languageIndex = reader.ReadInt32();
}
int writeOffset = reader.ReadInt32();
int numStrings = reader.ReadInt32();
UnicListFixupString[] strings = new UnicListFixupString[numStrings];
for (int j = 0; j < numStrings; j++)
{
string stringId = reader.ReadAscii();
string str = reader.ReadUTF8();
strings[j] = new UnicListFixupString(stringId, str);
}
block.UnicListFixups.Add(new DataBlockUnicListFixup(languageIndex, writeOffset, strings));
}
}
if (version >= 7)
{
int numInteropFixups = reader.ReadInt32();
for (int i = 0; i < numInteropFixups; i++)
{
uint dataAddress = reader.ReadUInt32();
int writeOffset = reader.ReadInt32();
int type = reader.ReadInt32();
block.InteropFixups.Add(new DataBlockInteropFixup(type, dataAddress, writeOffset));
}
int numEffectFixups = reader.ReadInt32();
for (int i = 0; i < numEffectFixups; i++)
{
int index = reader.ReadInt32();
int writeOffset = reader.ReadInt32();
int type = reader.ReadInt32();
int effectDataSize = reader.ReadInt32();
byte[] effectData = reader.ReadBlock(effectDataSize);
block.EffectFixups.Add(new DataBlockEffectFixup(type, index, writeOffset, effectData));
}
}
return(block);
}
/// <summary>
/// Initializes a new instance of the <see cref="DataBlockUnicListFixup"/> class.
/// </summary>
/// <param name="writeOffset">The write offset.</param>
/// <param name="strings">The strings.</param>
public DataBlockUnicListFixup(int languageIndex, int writeOffset, UnicListFixupString[] strings)
{
LanguageIndex = languageIndex;
WriteOffset = writeOffset;
Strings = strings;
}