/**
* Given a UObject index fetch the block and subindex for the serial number
* @param Index - UObject Index
* @param OutBlock - Serial Number Block
* @param OutSubIndex - Serial Number SubIndex
*/
void GetBlock(const int32& InIndex, int32& OutBlock, int32& OutSubIndex) const
{
OutBlock = InIndex / FSerialNumberBlock::SERIAL_NUMBER_BLOCK_SIZE;
OutSubIndex = InIndex - OutBlock * FSerialNumberBlock::SERIAL_NUMBER_BLOCK_SIZE;
checkfSlow(InIndex >= 0 && OutSubIndex >= 0 && OutSubIndex < FSerialNumberBlock::SERIAL_NUMBER_BLOCK_SIZE, TEXT("[Index:%d] [SubIndex:%d] invalid index or subindex"), InIndex, OutSubIndex);
if (OutBlock >= FSerialNumberBlock::MAX_SERIAL_NUMBER_BLOCKS)
{
UE_LOG(LogWeakObjectPtr, Fatal, TEXT("[Index:%d] exceeds maximum number of UObjects, [Block:%d] increase MAX_SERIAL_NUMBER_BLOCKS"), InIndex, OutBlock);
}
}
/**
* Finds the most-derived class which is a parent of both TestClass and this object's class.
*
* @param TestClass the class to find the common base for
*/
const UClass* UObjectBaseUtility::FindNearestCommonBaseClass( const UClass* TestClass ) const
{
const UClass* Result = NULL;
if ( TestClass != NULL )
{
const UClass* CurrentClass = GetClass();
// early out if it's the same class or one is the parent of the other
// (the check for TestClass->IsChildOf(CurrentClass) returns true if TestClass == CurrentClass
if ( TestClass->IsChildOf(CurrentClass) )
{
Result = CurrentClass;
}
else if ( CurrentClass->IsChildOf(TestClass) )
{
Result = TestClass;
}
else
{
// find the nearest parent of TestClass which is also a parent of CurrentClass
for ( UClass* Cls = TestClass->GetSuperClass(); Cls; Cls = Cls->GetSuperClass() )
{
if ( CurrentClass->IsChildOf(Cls) )
{
Result = Cls;
break;
}
}
}
}
// at this point, Result should only be NULL if TestClass is NULL
checkfSlow(Result != NULL || TestClass == NULL, TEXT("No common base class found for object '%s' with TestClass '%s'"), *GetFullName(), *TestClass->GetFullName());
return Result;
}
FORCEINLINE_DEBUGGABLE bool IsInvalidFaceIndex(PxU32 faceIndex)
{
checkfSlow(InvalidQueryHit.faceIndex == 0xFFFFffff, TEXT("Engine code needs fixing: PhysX invalid face index sentinel has changed or is not part of default PxQueryHit!"));
return (faceIndex == 0xFFFFffff);
}
