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Brandyn / Techy fcc1b09210 init
2026-04-04 15:40:51 -05:00

40 lines
1.2 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "StateTreeLinker.h"
#include "StateTree.h"
#include "StateTreeSchema.h"
#include "Templates/Casts.h"
#include UE_INLINE_GENERATED_CPP_BY_NAME(StateTreeLinker)
FStateTreeLinker::FStateTreeLinker(TNotNull<const UStateTree*> InStateTree)
: StateTree(InStateTree)
, Schema(InStateTree->GetSchema())
{
}
void FStateTreeLinker::LinkExternalData(FStateTreeExternalDataHandle& Handle, const UStruct* Struct, const EStateTreeExternalDataRequirement Requirement)
{
if (Schema != nullptr && !Schema->IsExternalItemAllowed(*Struct))
{
UE_LOG(LogStateTree, Error,
TEXT("External data of type '%s' used by current node is not allowed by schema '%s' (i.e. rejected by IsExternalItemAllowed)"),
*Struct->GetName(),
*Schema->GetClass()->GetName());
Handle = FStateTreeExternalDataHandle();
Status = EStateTreeLinkerStatus::Failed;
return;
}
const FStateTreeExternalDataDesc Desc(Struct, Requirement);
int32 Index = ExternalDataDescs.Find(Desc);
if (Index == INDEX_NONE)
{
Index = ExternalDataDescs.Add(Desc);
ExternalDataDescs[Index].Handle.DataHandle = FStateTreeDataHandle(EStateTreeDataSourceType::ExternalData, Index);
}
Handle.DataHandle = ExternalDataDescs[Index].Handle.DataHandle;
}