void UDataTable::LoadStructData(FArchive& Ar)
{
UScriptStruct* LoadUsingStruct = RowStruct;
if (LoadUsingStruct == NULL)
{
UE_LOG(LogDataTable, Error, TEXT("Missing RowStruct while loading DataTable '%s'!"), *GetPathName());
LoadUsingStruct = FTableRowBase::StaticStruct();
}
int32 NumRows;
Ar << NumRows;
for (int32 RowIdx = 0; RowIdx < NumRows; RowIdx++)
{
// Load row name
FName RowName;
Ar << RowName;
// Load row data
uint8* RowData = (uint8*)FMemory::Malloc(LoadUsingStruct->PropertiesSize);
LoadUsingStruct->InitializeStruct(RowData);
// And be sure to call DestroyScriptStruct later
LoadUsingStruct->SerializeTaggedProperties(Ar, RowData, LoadUsingStruct, NULL);
// Add to map
RowMap.Add(RowName, RowData);
}
}
FGameplayAbilityTargetDataHandle UAbilitySystemBlueprintLibrary::FilterTargetData(FGameplayAbilityTargetDataHandle TargetDataHandle, FGameplayTargetDataFilterHandle FilterHandle)
{
FGameplayAbilityTargetDataHandle ReturnDataHandle;
for (int32 i = 0; TargetDataHandle.IsValid(i); ++i)
{
FGameplayAbilityTargetData* UnfilteredData = TargetDataHandle.Get(i);
check(UnfilteredData);
if (UnfilteredData->GetActors().Num() > 0)
{
TArray<TWeakObjectPtr<AActor>> FilteredActors = UnfilteredData->GetActors().FilterByPredicate(FilterHandle);
if (FilteredActors.Num() > 0)
{
//Copy the data first, since we don't understand the internals of it
UScriptStruct* ScriptStruct = UnfilteredData->GetScriptStruct();
FGameplayAbilityTargetData* NewData = (FGameplayAbilityTargetData*)FMemory::Malloc(ScriptStruct->GetCppStructOps()->GetSize());
ScriptStruct->InitializeStruct(NewData);
ScriptStruct->CopyScriptStruct(NewData, UnfilteredData);
ReturnDataHandle.Data.Add(TSharedPtr<FGameplayAbilityTargetData>(NewData));
if (FilteredActors.Num() < UnfilteredData->GetActors().Num())
{
//We have lost some, but not all, of our actors, so replace the array. This should only be possible with targeting types that permit actor-array setting.
if (!NewData->SetActors(FilteredActors))
{
//This is an error, though we could ignore it. We somehow filtered out part of a list, but the class doesn't support changing the list, so now it's all or nothing.
check(false);
}
}
}
}
}
return ReturnDataHandle;
}
bool FGameplayEffectContextHandle::NetSerialize(FArchive& Ar, class UPackageMap* Map, bool& bOutSuccess)
{
UScriptStruct* ScriptStruct = Data.IsValid() ? Data->GetScriptStruct() : NULL;
Ar << ScriptStruct;
if (ScriptStruct)
{
if (Ar.IsLoading())
{
// For now, just always reset/reallocate the data when loading.
// Longer term if we want to generalize this and use it for property replication, we should support
// only reallocating when necessary
check(!Data.IsValid());
FGameplayEffectContext * NewData = (FGameplayEffectContext*)FMemory::Malloc(ScriptStruct->GetCppStructOps()->GetSize());
ScriptStruct->InitializeStruct(NewData);
Data = TSharedPtr<FGameplayEffectContext>(NewData);
}
void* ContainerPtr = Data.Get();
if (ScriptStruct->StructFlags & STRUCT_NetSerializeNative)
{
ScriptStruct->GetCppStructOps()->NetSerialize(Ar, Map, bOutSuccess, Data.Get());
}
else
{
// This won't work since UStructProperty::NetSerializeItem is deprecrated.
// 1) we have to manually crawl through the topmost struct's fields since we don't have a UStructProperty for it (just the UScriptProperty)
// 2) if there are any UStructProperties in the topmost struct's fields, we will assert in UStructProperty::NetSerializeItem.
ABILITY_LOG(Fatal, TEXT("FGameplayEffectContextHandle::NetSerialize called on data struct %s without a native NetSerialize"), *ScriptStruct->GetName());
for (TFieldIterator<UProperty> It(ScriptStruct); It; ++It)
{
if (It->PropertyFlags & CPF_RepSkip)
{
continue;
}
void * PropertyData = It->ContainerPtrToValuePtr<void*>(ContainerPtr);
It->NetSerializeItem(Ar, Map, PropertyData);
}
}
}
bOutSuccess = true;
return true;
}
bool FGameplayAbilityTargetDataHandle::NetSerialize(FArchive& Ar, class UPackageMap* Map, bool& bOutSuccess)
{
uint8 DataNum;
if (Ar.IsSaving())
{
UE_CLOG(Data.Num() > MAX_uint8, LogAbilitySystem, Warning, TEXT("Too many TargetData sources (%d!) to net serialize. Clamping to %d"), Data.Num(), MAX_uint8);
DataNum = FMath::Min<int32>( Data.Num(), MAX_uint8 );
}
Ar << DataNum;
if (Ar.IsLoading())
{
Data.SetNumZeroed(DataNum);
}
for (int32 i = 0; i < DataNum && !Ar.IsError(); ++i)
{
UScriptStruct* ScriptStruct = Data[i].IsValid() ? Data[i]->GetScriptStruct() : NULL;
Ar << ScriptStruct;
if (ScriptStruct)
{
if (Ar.IsLoading())
{
// For now, just always reset/reallocate the data when loading.
// Longer term if we want to generalize this and use it for property replication, we should support
// only reallocating when necessary
check(!Data[i].IsValid());
FGameplayAbilityTargetData * NewData = (FGameplayAbilityTargetData*)FMemory::Malloc(ScriptStruct->GetCppStructOps()->GetSize());
ScriptStruct->InitializeStruct(NewData);
Data[i] = TSharedPtr<FGameplayAbilityTargetData>(NewData);
}
void* ContainerPtr = Data[i].Get();
if (ScriptStruct->StructFlags & STRUCT_NetSerializeNative)
{
ScriptStruct->GetCppStructOps()->NetSerialize(Ar, Map, bOutSuccess, Data[i].Get());
}
else
{
// This won't work since UStructProperty::NetSerializeItem is deprecrated.
// 1) we have to manually crawl through the topmost struct's fields since we don't have a UStructProperty for it (just the UScriptProperty)
// 2) if there are any UStructProperties in the topmost struct's fields, we will assert in UStructProperty::NetSerializeItem.
ABILITY_LOG(Fatal, TEXT("FGameplayAbilityTargetDataHandle::NetSerialize called on data struct %s without a native NetSerialize"), *ScriptStruct->GetName());
for (TFieldIterator<UProperty> It(ScriptStruct); It; ++It)
{
if (It->PropertyFlags & CPF_RepSkip)
{
continue;
}
void* PropertyData = It->ContainerPtrToValuePtr<void*>(ContainerPtr);
It->NetSerializeItem(Ar, Map, PropertyData);
}
}
}
}
//ABILITY_LOG(Warning, TEXT("FGameplayAbilityTargetDataHandle Serialized: %s"), ScriptStruct ? *ScriptStruct->GetName() : TEXT("NULL") );
bOutSuccess = true;
return true;
}