Beispiel #1
0
FByteBulkData* UBodySetup::GetCookedData(FName Format)
{
	if (IsTemplate())
	{
		return NULL;
	}

	IInterface_CollisionDataProvider* CDP = Cast<IInterface_CollisionDataProvider>(GetOuter());

	// If there is nothing to cook or if we are reading data from a cooked package for an asset with no collision, 
	// we want to return here
	if ((AggGeom.ConvexElems.Num() == 0 && CDP == NULL) || !bHasCookedCollisionData)
	{
		return NULL;
	}

	FFormatContainer* UseCookedData = CookedFormatDataOverride ? CookedFormatDataOverride : &CookedFormatData;

	bool bContainedData = UseCookedData->Contains(Format);
	FByteBulkData* Result = &UseCookedData->GetFormat(Format);
#if WITH_PHYSX
	if (!bContainedData)
	{
		if (FPlatformProperties::RequiresCookedData())
		{
			UE_LOG(LogPhysics, Error, TEXT("Attempt to build physics data for %s when we are unable to. This platform requires cooked packages."), *GetPathName());
		}

		if (AggGeom.ConvexElems.Num() == 0 && (CDP == NULL || CDP->ContainsPhysicsTriMeshData(bMeshCollideAll) == false))
		{
			return NULL;
		}

#if WITH_RUNTIME_PHYSICS_COOKING || WITH_EDITOR
		TArray<uint8> OutData;
		FDerivedDataPhysXCooker* DerivedPhysXData = new FDerivedDataPhysXCooker(Format, this);
		if (DerivedPhysXData->CanBuild())
		{
		#if WITH_EDITOR
			GetDerivedDataCacheRef().GetSynchronous(DerivedPhysXData, OutData);
		#elif WITH_RUNTIME_PHYSICS_COOKING
			DerivedPhysXData->Build(OutData);
		#endif
			if (OutData.Num())
			{
				Result->Lock(LOCK_READ_WRITE);
				FMemory::Memcpy(Result->Realloc(OutData.Num()), OutData.GetData(), OutData.Num());
				Result->Unlock();
			}
		}
		else
#endif
		{
			UE_LOG(LogPhysics, Warning, TEXT("Attempt to build physics data for %s when we are unable to."), *GetPathName());
		}
	}
#endif // WITH_PHYSX
	check(Result);
	return Result->GetBulkDataSize() > 0 ? Result : NULL; // we don't return empty bulk data...but we save it to avoid thrashing the DDC
}
Beispiel #2
0
bool FDerivedDataPhysXCooker::ShouldGenerateTriMeshData(bool InUseAllTriData)
{
	check(Cooker != NULL);

	IInterface_CollisionDataProvider* CDP = Cast<IInterface_CollisionDataProvider>(CollisionDataProvider);
	const bool bPerformCook = ( CDP != NULL ) ? CDP->ContainsPhysicsTriMeshData(InUseAllTriData) : false;
	return bPerformCook;
}