public override void Read(IffFile iff, Stream stream)
{
using (var io = IoBuffer.FromStream(stream, ByteOrder.LITTLE_ENDIAN))
{
var formatCode = io.ReadInt16();
LanguageSets = new STRLanguageSet[20];
if (!io.HasMore){
for (int i = 0; i < 20; i++) LanguageSets[i] = new STRLanguageSet { Strings = new STRItem[0] };
return;
}
if (formatCode == 0)
{
var numStrings = io.ReadUInt16();
for (int i = 0; i < 20; i++) LanguageSets[i] = new STRLanguageSet { Strings = new STRItem[0] };
LanguageSets[0].Strings = new STRItem[numStrings];
for (var i = 0; i < numStrings; i++)
{
LanguageSets[0].Strings[i] = new STRItem
{
Value = io.ReadPascalString()
};
}
}
//This format changed 00 00 to use C strings rather than Pascal strings.
else if (formatCode == -1)
{
var numStrings = io.ReadUInt16();
for (int i = 0; i < 20; i++) LanguageSets[i] = new STRLanguageSet { Strings = new STRItem[0] };
LanguageSets[0].Strings = new STRItem[numStrings];
for (var i = 0; i < numStrings; i++)
{
LanguageSets[0].Strings[i] = new STRItem
{
Value = io.ReadNullTerminatedUTF8()
};
}
}
//This format changed FF FF to use string pairs rather than single strings.
else if (formatCode == -2)
{
var numStrings = io.ReadUInt16();
for (int i = 0; i < 20; i++) LanguageSets[i] = new STRLanguageSet { Strings = new STRItem[0] };
LanguageSets[0].Strings = new STRItem[numStrings];
for (var i = 0; i < numStrings; i++)
{
LanguageSets[0].Strings[i] = new STRItem
{
Value = io.ReadNullTerminatedString(),
Comment = io.ReadNullTerminatedString()
};
}
}
//This format changed FD FF to use a language code.
else if (formatCode == -3)
{
var numStrings = io.ReadUInt16();
for (int i = 0; i < 20; i++) LanguageSets[i] = new STRLanguageSet { Strings = new STRItem[0] };
List<STRItem>[] LangSort = new List<STRItem>[20];
for (var i = 0; i < numStrings; i++)
{
var item = new STRItem
{
LanguageCode = io.ReadByte(),
Value = io.ReadNullTerminatedString(),
Comment = io.ReadNullTerminatedString()
};
var lang = item.LanguageCode;
if (lang == 0) lang = 1;
else if (lang < 0 || lang > 20) continue; //???
if (LangSort[lang - 1] == null)
{
LangSort[lang-1] = new List<STRItem>();
}
LangSort[lang - 1].Add(item);
}
for (int i=0; i<LanguageSets.Length; i++)
{
if (LangSort[i] != null) LanguageSets[i].Strings = LangSort[i].ToArray();
}
}
//This format is only used in The Sims Online. The format is essentially a performance improvement:
//it counteracts both the short string limit of 255 characters found in 00 00 and the inherent slowness
//of null-terminated strings in the other formats (which requires two passes over each string), and it
//also provides a string pair count for each language set which eliminates the need for two passes over
//each language set.
else if (formatCode == -4)
{
var numLanguageSets = io.ReadByte();
this.LanguageSets = new STRLanguageSet[numLanguageSets];
for(var i=0; i < numLanguageSets; i++)
{
var item = new STRLanguageSet();
var numStringPairs = io.ReadUInt16();
item.Strings = new STRItem[numStringPairs];
for (var x = 0; x < numStringPairs; x++)
{
item.Strings[x] = new STRItem
{
LanguageCode = (byte)(io.ReadByte() + 1),
Value = io.ReadVariableLengthPascalString(),
Comment = io.ReadVariableLengthPascalString()
};
}
this.LanguageSets[i] = item;
}
}
}
}
