public GameLanguageHandle GetEngineLanguage(int langIndex)
{
Contract.Requires <ArgumentOutOfRangeException>(LanguageRegistry.IsValidLanguageIndex(langIndex));
Contract.Assert(mEngineLanguageTable != null, kErrorMessageNotInitialized);
return(mEngineLanguageTable[langIndex]);
}
internal GameLanguageHandle(Engine.EngineBuildHandle buildHandle, int langIndex, int gameIndex)
{
Contract.Requires(LanguageRegistry.IsValidLanguageIndex(langIndex));
Contract.Requires(IsValidGameIndex(gameIndex));
InitializeHandle(out mHandle, buildHandle, langIndex, gameIndex);
}
public bool IsEngineLanguageOptional(int langIndex)
{
if (!LanguageRegistry.IsValidLanguageIndex(langIndex))
{
throw new ArgumentOutOfRangeException(nameof(langIndex), langIndex, "Out of bounds");
}
Contract.Assert(mEngineLanguageTable != null, kErrorMessageNotInitialized);
return(mOptionalEngineLanguageFlags[langIndex]);
}
void ReadEngineLanguageTable <TDoc, TCursor>(IO.TagElementStream <TDoc, TCursor, string> s)
where TDoc : class
where TCursor : class
{
const string kElementNameEntry = "E";
const string kAttributeNameGameIndex = "id";
const string kAttributeNameLangIndex = "lang";
const string kAttributeNameOptional = "optional";
// number of languages for this build of the engine
int lang_count = 0;
foreach (var e in s.ElementsByName(kElementNameEntry))
{
using (s.EnterCursorBookmark(e))
{
int game_index = TypeExtensions.kNone;
int lang_index = TypeExtensions.kNone;
bool is_optional = false;
s.ReadAttribute(kAttributeNameGameIndex, ref game_index, NumeralBase.Decimal);
LanguageRegistry.SerializeLanguageId(s, kAttributeNameLangIndex, ref lang_index);
s.ReadAttributeOpt(kAttributeNameOptional, ref is_optional);
if (IsInvalidGameIndexFromStream(game_index) || lang_index.IsNone())
{
s.ThrowReadException(new System.IO.InvalidDataException("Invalid table entry data"));
}
mEngineLanguageTable[lang_index] = new GameLanguageHandle(mBuildHandle, lang_index, game_index);
if (is_optional)
{
mOptionalEngineLanguageFlags[lang_index] = true;
mOptionalGameLanguageFlags[game_index] = true;
}
lang_count++;
}
}
if (lang_count == 0)
{
s.ThrowReadException(new System.IO.InvalidDataException("Table has no entries"));
}
if (!InitializeGameLanguageTableFromEngineTable(lang_count))
{
s.ThrowReadException(new System.IO.InvalidDataException("Invalid game index data"));
}
}
//internal uint Handle { get { return mHandle; } }
static void InitializeHandle(out uint handle,
Engine.EngineBuildHandle buildHandle, int langIndex, int gameIndex)
{
uint is_supported = gameIndex.IsNotNone() ? 1U : 0U;
var encoder = new Bitwise.HandleBitEncoder();
encoder.EncodeNoneable32(gameIndex, Constants.kGameIndexBitField);
encoder.Encode32(is_supported, Constants.kIsSupportedBitField);
LanguageRegistry.BitEncodeLanguageIndex(ref encoder, langIndex);
encoder.Encode32(buildHandle.Handle, Constants.kBuildBitField);
Contract.Assert(encoder.UsedBitCount == GameLanguageHandle.BitCount);
handle = encoder.GetHandle32();
}
public static bool IsValidGameIndex(int index) { return LanguageRegistry.IsValidLanguageIndex(index); }
public int LanguageIndexToGameIndex(int langIndex)
{
Contract.Requires <ArgumentOutOfRangeException>(LanguageRegistry.IsValidLanguageIndex(langIndex));
return(GetEngineLanguage(langIndex).GameIndex);
}
