private unsafe int FindNonDefaultSharedComponentIndex(int typeIndex, int hashCode, void *newData,
FastEquality.TypeInfo typeInfo)
{
int itemIndex;
NativeMultiHashMapIterator <int> iter;
if (!m_HashLookup.TryGetFirstValue(hashCode, out itemIndex, out iter))
{
return(-1);
}
do
{
var data = m_SharedComponentData[itemIndex];
if (data != null && m_SharedComponentType[itemIndex] == typeIndex)
{
ulong handle;
var value = PinGCObjectAndGetAddress(data, out handle);
var res = FastEquality.Equals(newData, value, typeInfo);
UnsafeUtility.ReleaseGCObject(handle);
if (res)
{
return(itemIndex);
}
}
} while (m_HashLookup.TryGetNextValue(out itemIndex, ref iter));
return(-1);
}
private static bool IsDefaultObject <T>(ref T component, out int hashCode) where T : struct, ISharedComponentData
{
int typeIndex = TypeManager.GetTypeIndex <T>();
var layout = TypeManager.GetComponentType(typeIndex).FastEqualityLayout;
var defaultValue = default(T);
hashCode = FastEquality.GetHashCode(ref component, layout);
return(FastEquality.Equals(ref defaultValue, ref component, layout));
}
public static bool Equals(void *left, void *right, int typeIndex)
{
#if !UNITY_CSHARP_TINY
var typeInfo = TypeManager.GetTypeInfo(typeIndex).FastEqualityTypeInfo;
return(FastEquality.Equals(left, right, typeInfo));
#else
return(StaticTypeRegistry.StaticTypeRegistry.Equals(left, right, typeIndex & ClearFlagsMask));
#endif
}
public static bool Equals <T>(ref T left, ref T right) where T : struct
{
#if !UNITY_CSHARP_TINY
var typeInfo = TypeManager.GetTypeInfo <T>().FastEqualityTypeInfo;
return(FastEquality.Equals(ref left, ref right, typeInfo));
#else
return(EqualityHelper <T> .Equals(left, right));
#endif
}
private unsafe int FindSharedComponentIndex <T>(int typeIndex, T newData) where T : struct
{
var defaultVal = default(T);
var typeInfo = TypeManager.GetTypeInfo(typeIndex).FastEqualityTypeInfo;
if (FastEquality.Equals(ref defaultVal, ref newData, typeInfo))
{
return(0);
}
return(FindNonDefaultSharedComponentIndex(typeIndex, FastEquality.GetHashCode(ref newData, typeInfo),
UnsafeUtility.AddressOf(ref newData), typeInfo));
}
unsafe int FindSharedComponentIndex <T>(int typeIndex, T newData) where T : struct
{
var defaultVal = default(T);
var fastLayout = TypeManager.GetComponentType(typeIndex).FastEqualityLayout;
if (FastEquality.Equals(ref defaultVal, ref newData, fastLayout))
{
return(0);
}
else
{
return(FindNonDefaultSharedComponentIndex(typeIndex, FastEquality.GetHashCode(ref newData, fastLayout),
UnsafeUtility.AddressOf(ref newData), fastLayout));
}
}