Method InitializeDefaults

source/core/actorinfo.cpp:162–214

//==========================================================================

void PClassActor::InitializeDefaults()
{
	if (IsDescendantOf(RUNTIME_CLASS(DCoreActor)))
	{
		assert(Defaults == nullptr);
		Defaults = (uint8_t*)M_Malloc(Size);

		ConstructNative(Defaults);
		// We must unlink the defaults from the class list because it's just a static block of data to the engine.
		DObject* optr = (DObject*)Defaults;
		GC::Root = optr->ObjNext;
		optr->ObjNext = nullptr;
		optr->SetClass(this);

		// Copy the defaults from the parent but leave the DObject part alone because it contains important data.
		if (ParentClass->Defaults != nullptr)
		{
			memcpy(Defaults + sizeof(DObject), ParentClass->Defaults + sizeof(DObject), ParentClass->Size - sizeof(DObject));
			if (Size > ParentClass->Size)
			{
				memset(Defaults + ParentClass->Size, 0, Size - ParentClass->Size);
			}
		}
		else
		{
			memset(Defaults + sizeof(DObject), 0, Size - sizeof(DObject));
		}

		assert(MetaSize >= ParentClass->MetaSize);
		if (MetaSize != 0)
		{
			Meta = (uint8_t*)M_Malloc(MetaSize);

			// Copy the defaults from the parent but leave the DObject part alone because it contains important data.
			if (ParentClass->Meta != nullptr)
			{
				memcpy(Meta, ParentClass->Meta, ParentClass->MetaSize);
				if (MetaSize > ParentClass->MetaSize)
				{
					memset(Meta + ParentClass->MetaSize, 0, MetaSize - ParentClass->MetaSize);
				}
			}
			else
			{
				memset(Meta, 0, MetaSize);
			}

			if (MetaSize > 0) memcpy(Meta, ParentClass->Meta, ParentClass->MetaSize);
			else memset(Meta, 0, MetaSize);
		}
	}
	PClass::InitializeDefaults();
}

//==========================================================================
//