public static NativeEGIDMapper <T> QueryNativeMappedEntities <T>(this EntitiesDB entitiesDb, ExclusiveGroupStruct groupStructId)
where T : unmanaged, IEntityComponent
{
if (entitiesDb.SafeQueryEntityDictionary <T>(groupStructId, out var typeSafeDictionary) == false)
{
throw new EntityGroupNotFoundException(typeof(T), groupStructId.ToName());
}
return((typeSafeDictionary as TypeSafeDictionary <T>).ToNativeEGIDMapper(groupStructId));
}
public static bool TryQueryNativeMappedEntities <T>(this EntitiesDB entitiesDb, ExclusiveGroupStruct groupStructId,
out NativeEGIDMapper <T> mapper)
where T : unmanaged, IEntityComponent
{
mapper = default;
if (entitiesDb.SafeQueryEntityDictionary <T>(groupStructId, out var typeSafeDictionary) == false ||
typeSafeDictionary.count == 0)
{
return(false);
}
mapper = (typeSafeDictionary as TypeSafeDictionary <T>).ToNativeEGIDMapper(groupStructId);
return(true);
}
///Note: if I use a SharedNativeSveltoDictionary for implUnmg, I may be able to cache NativeEGIDMultiMapper
/// and reuse it
/// TODO: the ability to retain a NativeEGIDMultiMapper thanks to the use of shareable arrays
/// must be unit tested!
public static NativeEGIDMultiMapper <T> QueryNativeMappedEntities <T>(this EntitiesDB entitiesDb,
LocalFasterReadOnlyList <ExclusiveGroupStruct> groups, Allocator allocator)
where T : unmanaged, IBaseEntityComponent
{
var dictionary = new SveltoDictionaryNative <ExclusiveGroupStruct, SharedSveltoDictionaryNative <uint, T> >
((uint)groups.count, allocator);
foreach (var group in groups)
{
if (entitiesDb.SafeQueryEntityDictionary <T>(group, out var typeSafeDictionary) == true)
{
//if (typeSafeDictionary.count > 0)
dictionary.Add(group, ((UnmanagedTypeSafeDictionary <T>)typeSafeDictionary).implUnmgd);
}
}
return(new NativeEGIDMultiMapper <T>(dictionary));
}
public static NativeEGIDMultiMapper <T> QueryNativeMappedEntities <T>(this EntitiesDB entitiesDb,
LocalFasterReadOnlyList <ExclusiveGroupStruct> groups)
where T : unmanaged, IEntityComponent
{
var dictionary = new SveltoDictionary <ExclusiveGroupStruct, //key
SveltoDictionary <uint, T,
NativeStrategy <SveltoDictionaryNode <uint> >, NativeStrategy <T>, NativeStrategy <int> >, //value
NativeStrategy <SveltoDictionaryNode <ExclusiveGroupStruct> >, //strategy to store the key
NativeStrategy <SveltoDictionary <uint, T, NativeStrategy <SveltoDictionaryNode <uint> >, NativeStrategy <T>, NativeStrategy <int> > >, NativeStrategy <int> > //strategy to store the value
((uint)groups.count, Allocator.TempJob);
foreach (var group in groups)
{
if (entitiesDb.SafeQueryEntityDictionary <T>(group, out var typeSafeDictionary) == true)
{
if (typeSafeDictionary.count > 0)
{
dictionary.Add(group, ((TypeSafeDictionary <T>)typeSafeDictionary).implUnmgd);
}
}
}
return(new NativeEGIDMultiMapper <T>(dictionary));
}