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40ff349f2c
- Added ability to parameterize the SOD using parameters and property copy - Each Asset stores and shares a variations based parameter hash #rb Yoan.StAmant [CL 30966021 by mikko mononen in 5.4 branch]
1010 lines
30 KiB
C++
1010 lines
30 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "SmartObjectDefinition.h"
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#include "SmartObjectSettings.h"
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#include "Misc/EnumerateRange.h"
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#if WITH_EDITOR
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#include "UObject/ObjectSaveContext.h"
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#include "WorldConditions/WorldCondition_SmartObjectActorTagQuery.h"
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#include "WorldConditions/SmartObjectWorldConditionObjectTagQuery.h"
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#include "SmartObjectUserComponent.h"
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#include "Engine/SCS_Node.h"
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#include "Misc/DataValidation.h"
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#include "SmartObjectPropertyHelpers.h"
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#include "Interfaces/ITargetPlatform.h"
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#endif
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#include "Serialization/ObjectAndNameAsStringProxyArchive.h"
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#include "Serialization/MemoryWriter.h"
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#include "UObject/Package.h"
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#include UE_INLINE_GENERATED_CPP_BY_NAME(SmartObjectDefinition)
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#define LOCTEXT_NAMESPACE "SmartObjectDefinition"
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namespace UE::SmartObject
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{
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const FVector DefaultSlotSize(40, 40, 90);
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namespace Delegates
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{
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#if WITH_EDITOR
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FOnParametersChanged OnParametersChanged;
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#endif
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} // Delegates
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} // UE::SmartObject
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const FSmartObjectDefinitionDataHandle FSmartObjectDefinitionDataHandle::Invalid(INDEX_NONE);
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const FSmartObjectDefinitionDataHandle FSmartObjectDefinitionDataHandle::Root(RootIndex);
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const FSmartObjectDefinitionDataHandle FSmartObjectDefinitionDataHandle::Parameters(ParametersIndex);
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USmartObjectDefinition::USmartObjectDefinition(const FObjectInitializer& ObjectInitializer): UDataAsset(ObjectInitializer)
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{
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UserTagsFilteringPolicy = GetDefault<USmartObjectSettings>()->DefaultUserTagsFilteringPolicy;
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ActivityTagsMergingPolicy = GetDefault<USmartObjectSettings>()->DefaultActivityTagsMergingPolicy;
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WorldConditionSchemaClass = GetDefault<USmartObjectSettings>()->DefaultWorldConditionSchemaClass;
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}
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#if WITH_EDITOR
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EDataValidationResult USmartObjectDefinition::IsDataValid(FDataValidationContext& Context) const
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{
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const EDataValidationResult Result = Super::IsDataValid(Context);
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TArray<FText> ValidationErrors;
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Validate(&ValidationErrors);
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for (const FText& Error : ValidationErrors)
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{
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Context.AddError(Error);
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}
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return CombineDataValidationResults(Result, bValid.GetValue() ? EDataValidationResult::Valid : EDataValidationResult::Invalid);
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}
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TSubclassOf<USmartObjectSlotValidationFilter> USmartObjectDefinition::GetPreviewValidationFilterClass() const
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{
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if (PreviewData.UserActorClass.IsValid())
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{
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if (const UClass* UserActorClass = PreviewData.UserActorClass.Get())
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{
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// Try to get smart object user component added in the BP.
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if (const UBlueprintGeneratedClass* UserBlueprintClass = Cast<UBlueprintGeneratedClass>(UserActorClass))
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{
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const TArray<USCS_Node*>& Nodes = UserBlueprintClass->SimpleConstructionScript->GetAllNodes();
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for (USCS_Node* Node : Nodes)
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{
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UActorComponent* Component = Node->GetActualComponentTemplate(const_cast<UBlueprintGeneratedClass*>(UserBlueprintClass));
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if (const USmartObjectUserComponent* UserComponent = Cast<USmartObjectUserComponent>(Component))
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{
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return UserComponent->GetValidationFilter();
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}
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}
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}
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// Try to get the component from the CDO (e.g. added as default object in C++).
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if (const AActor* UserActor = Cast<AActor>(UserActorClass->GetDefaultObject()))
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{
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if (const USmartObjectUserComponent* UserComponent = UserActor->GetComponentByClass<USmartObjectUserComponent>())
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{
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return UserComponent->GetValidationFilter();
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}
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}
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}
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return nullptr;
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}
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if (PreviewData.UserValidationFilterClass.IsValid())
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{
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return PreviewData.UserValidationFilterClass.Get();
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}
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return nullptr;
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}
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#endif // WITH_EDITOR
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bool USmartObjectDefinition::Validate(TArray<FText>* ErrorsToReport) const
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{
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bValid = false;
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// Detect null entries in default definitions
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int32 NullEntryIndex;
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if (DefaultBehaviorDefinitions.Find(nullptr, NullEntryIndex))
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{
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if (ErrorsToReport)
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{
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ErrorsToReport->Emplace(FText::Format(LOCTEXT("NullDefaultBehaviorEntryError", "Null entry found at index {0} in default behavior definition list"), NullEntryIndex));
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}
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else
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{
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return false;
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}
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}
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// Detect null entries in slot definitions
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for (int i = 0; i < Slots.Num(); ++i)
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{
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const FSmartObjectSlotDefinition& Slot = Slots[i];
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if (Slot.BehaviorDefinitions.Find(nullptr, NullEntryIndex))
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{
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if (ErrorsToReport)
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{
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ErrorsToReport->Emplace(FText::Format(LOCTEXT("NullSlotBehaviorEntryError", "Null entry found at index {0} in default behavior definition list"), NullEntryIndex));
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}
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else
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{
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return false;
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}
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}
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}
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// Detect missing definitions in slots if no default one are provided
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if (DefaultBehaviorDefinitions.Num() == 0)
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{
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for (int i = 0; i < Slots.Num(); ++i)
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{
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const FSmartObjectSlotDefinition& Slot = Slots[i];
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if (Slot.BehaviorDefinitions.Num() == 0)
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{
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if (ErrorsToReport)
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{
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ErrorsToReport->Emplace(FText::Format(LOCTEXT("MissingSlotBehaviorError", "Slot at index {0} needs to provide a behavior definition since there is no default one in the SmartObject definition"), i));
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}
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else
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{
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return false;
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}
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}
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}
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}
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bValid = ErrorsToReport == nullptr || ErrorsToReport->IsEmpty();
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return bValid.GetValue();
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}
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FBox USmartObjectDefinition::GetBounds() const
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{
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FBox BoundingBox(ForceInitToZero);
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for (const FSmartObjectSlotDefinition& Slot : GetSlots())
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{
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BoundingBox += FVector(Slot.Offset) + UE::SmartObject::DefaultSlotSize;
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BoundingBox += FVector(Slot.Offset) - UE::SmartObject::DefaultSlotSize;
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}
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return BoundingBox;
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}
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void USmartObjectDefinition::GetSlotActivityTags(const int32 SlotIndex, FGameplayTagContainer& OutActivityTags) const
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{
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if (ensureMsgf(Slots.IsValidIndex(SlotIndex), TEXT("Requesting activity tags for an out of range slot index: %s"), *LexToString(SlotIndex)))
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{
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GetSlotActivityTags(Slots[SlotIndex], OutActivityTags);
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}
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}
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void USmartObjectDefinition::GetSlotActivityTags(const FSmartObjectSlotDefinition& SlotDefinition, FGameplayTagContainer& OutActivityTags) const
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{
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OutActivityTags = ActivityTags;
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if (ActivityTagsMergingPolicy == ESmartObjectTagMergingPolicy::Combine)
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{
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OutActivityTags.AppendTags(SlotDefinition.ActivityTags);
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}
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else if (ActivityTagsMergingPolicy == ESmartObjectTagMergingPolicy::Override && !SlotDefinition.ActivityTags.IsEmpty())
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{
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OutActivityTags = SlotDefinition.ActivityTags;
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}
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}
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PRAGMA_DISABLE_DEPRECATION_WARNINGS
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TOptional<FTransform> USmartObjectDefinition::GetSlotTransform(const FTransform& OwnerTransform, const FSmartObjectSlotIndex SlotIndex) const
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{
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TOptional<FTransform> Transform;
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if (ensureMsgf(Slots.IsValidIndex(SlotIndex), TEXT("Requesting slot transform for an out of range index: %s"), *LexToString(SlotIndex)))
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{
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const FSmartObjectSlotDefinition& Slot = Slots[SlotIndex];
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Transform = FTransform(FRotator(Slot.Rotation), FVector(Slot.Offset)) * OwnerTransform;
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}
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return Transform;
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}
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PRAGMA_ENABLE_DEPRECATION_WARNINGS
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FTransform USmartObjectDefinition::GetSlotWorldTransform(const int32 SlotIndex, const FTransform& OwnerTransform) const
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{
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if (ensureMsgf(Slots.IsValidIndex(SlotIndex), TEXT("Requesting slot transform for an out of range index: %s"), *LexToString(SlotIndex)))
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{
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const FSmartObjectSlotDefinition& Slot = Slots[SlotIndex];
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return FTransform(FRotator(Slot.Rotation), FVector(Slot.Offset)) * OwnerTransform;
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}
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return OwnerTransform;
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}
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const USmartObjectBehaviorDefinition* USmartObjectDefinition::GetBehaviorDefinition(const int32 SlotIndex,
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const TSubclassOf<USmartObjectBehaviorDefinition>& DefinitionClass) const
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{
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const USmartObjectBehaviorDefinition* Definition = nullptr;
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if (Slots.IsValidIndex(SlotIndex))
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{
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Definition = GetBehaviorDefinitionByType(Slots[SlotIndex].BehaviorDefinitions, DefinitionClass);
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}
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if (Definition == nullptr)
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{
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Definition = GetBehaviorDefinitionByType(DefaultBehaviorDefinitions, DefinitionClass);
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}
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return Definition;
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}
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const USmartObjectBehaviorDefinition* USmartObjectDefinition::GetBehaviorDefinitionByType(const TArray<USmartObjectBehaviorDefinition*>& BehaviorDefinitions,
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const TSubclassOf<USmartObjectBehaviorDefinition>& DefinitionClass)
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{
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USmartObjectBehaviorDefinition* const* BehaviorDefinition = BehaviorDefinitions.FindByPredicate([&DefinitionClass](const USmartObjectBehaviorDefinition* SlotBehaviorDefinition)
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{
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return SlotBehaviorDefinition != nullptr && SlotBehaviorDefinition->GetClass()->IsChildOf(*DefinitionClass);
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});
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return BehaviorDefinition != nullptr ? *BehaviorDefinition : nullptr;
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}
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#if WITH_EDITOR
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int32 USmartObjectDefinition::FindSlotByID(const FGuid ID) const
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{
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const int32 Slot = Slots.IndexOfByPredicate([&ID](const FSmartObjectSlotDefinition& Slot) { return Slot.ID == ID; });
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return Slot;
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}
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bool USmartObjectDefinition::FindSlotAndDefinitionDataIndexByID(const FGuid ID, int32& OutSlotIndex, int32& OutDefinitionDataIndex) const
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{
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OutSlotIndex = INDEX_NONE;
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OutDefinitionDataIndex = INDEX_NONE;
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// First try to find direct match on a slot.
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for (TConstEnumerateRef<const FSmartObjectSlotDefinition> SlotDefinition : EnumerateRange(Slots))
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{
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if (SlotDefinition->ID == ID)
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{
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OutSlotIndex = SlotDefinition.GetIndex();
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return true;
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}
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// Next try to find slot index based on definition data.
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const int32 DefinitionDataIndex = SlotDefinition->DefinitionData.IndexOfByPredicate([&ID](const FSmartObjectDefinitionDataProxy& DataProxy)
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{
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return DataProxy.ID == ID;
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});
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if (DefinitionDataIndex != INDEX_NONE)
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{
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OutSlotIndex = SlotDefinition.GetIndex();
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OutDefinitionDataIndex = DefinitionDataIndex;
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return true;
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}
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}
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return false;
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}
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void USmartObjectDefinition::PostEditChangeChainProperty(FPropertyChangedChainEvent& PropertyChangedEvent)
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{
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Super::PostEditChangeChainProperty(PropertyChangedEvent);
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const FSmartObjectEditPropertyPath ChangePropertyPath(PropertyChangedEvent);
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static const FSmartObjectEditPropertyPath ParametersPath(USmartObjectDefinition::StaticClass(), TEXT("Parameters"));
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static const FSmartObjectEditPropertyPath SlotsPath(USmartObjectDefinition::StaticClass(), TEXT("Slots"));
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static const FSmartObjectEditPropertyPath WorldConditionSchemaClassPath(USmartObjectDefinition::StaticClass(), TEXT("WorldConditionSchemaClass"));
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static const FSmartObjectEditPropertyPath SlotsDefinitionDataPath(USmartObjectDefinition::StaticClass(), TEXT("Slots.DefinitionData"));
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// Ensure unique Slot ID on added or duplicated items.
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if (PropertyChangedEvent.ChangeType == EPropertyChangeType::ArrayAdd
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|| PropertyChangedEvent.ChangeType == EPropertyChangeType::Duplicate)
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{
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if (ChangePropertyPath.IsPathExact(SlotsPath))
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{
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const int32 SlotIndex = ChangePropertyPath.GetPropertyArrayIndex(SlotsPath);
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if (Slots.IsValidIndex(SlotIndex))
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{
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FSmartObjectSlotDefinition& SlotDefinition = Slots[SlotIndex];
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SlotDefinition.ID = FGuid::NewGuid();
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SlotDefinition.SelectionPreconditions.SetSchemaClass(WorldConditionSchemaClass);
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// Set new IDs to all duplicated data too
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for (FSmartObjectDefinitionDataProxy& DataProxy : SlotDefinition.DefinitionData)
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{
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DataProxy.ID = FGuid::NewGuid();
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}
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}
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}
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if (ChangePropertyPath.IsPathExact(SlotsDefinitionDataPath))
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{
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const int32 SlotIndex = ChangePropertyPath.GetPropertyArrayIndex(SlotsPath);
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if (Slots.IsValidIndex(SlotIndex))
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{
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FSmartObjectSlotDefinition& SlotDefinition = Slots[SlotIndex];
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const int32 DataIndex = ChangePropertyPath.GetPropertyArrayIndex(SlotsDefinitionDataPath);
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if (SlotDefinition.DefinitionData.IsValidIndex(DataIndex))
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{
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FSmartObjectDefinitionDataProxy& DataProxy = SlotDefinition.DefinitionData[DataIndex];
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DataProxy.ID = FGuid::NewGuid();
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}
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}
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}
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}
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// Anything in the parameters change, notify.
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if (ChangePropertyPath.ContainsPath(ParametersPath))
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{
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UpdateBindingPaths();
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UE::SmartObject::Delegates::OnParametersChanged.Broadcast(*this);
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}
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// Anything in the slots changed, update references.
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if (ChangePropertyPath.ContainsPath(SlotsPath))
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{
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UpdateSlotReferences();
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}
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// If schema changes, update preconditions too.
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if (ChangePropertyPath.IsPathExact(WorldConditionSchemaClassPath))
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{
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for (FSmartObjectSlotDefinition& Slot : Slots)
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{
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Slot.SelectionPreconditions.SetSchemaClass(WorldConditionSchemaClass);
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Slot.SelectionPreconditions.Initialize(this);
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}
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}
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#if WITH_EDITOR
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UpdateBindingDataHandles();
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#endif
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Validate();
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}
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void USmartObjectDefinition::PreSave(FObjectPreSaveContext SaveContext)
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{
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for (FSmartObjectSlotDefinition& Slot : Slots)
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{
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Slot.SelectionPreconditions.Initialize(this);
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}
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UpdateSlotReferences();
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Super::PreSave(SaveContext);
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#if WITH_EDITOR
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UpdateBindingDataHandles();
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if (SaveContext.IsCooking()
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&& SaveContext.GetTargetPlatform()->IsClientOnly()
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&& GetDefault<USmartObjectSettings>()->bShouldExcludePreConditionsOnDedicatedClient
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&& !HasAnyFlags(RF_ArchetypeObject | RF_ClassDefaultObject))
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{
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FObjectSaveOverride ObjSaveOverride;
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// Add path to the conditions within the main definition
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FProperty* OverrideProperty = FindFProperty<FProperty>(GetClass(), GET_MEMBER_NAME_CHECKED(USmartObjectDefinition, Preconditions));
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check(OverrideProperty);
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FPropertySaveOverride PropOverride;
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PropOverride.PropertyPath = FFieldPath(OverrideProperty);
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PropOverride.bMarkTransient = true;
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ObjSaveOverride.PropOverrides.Add(PropOverride);
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// Add path to the conditions within the slot definition struct
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OverrideProperty = FindFProperty<FProperty>(FSmartObjectSlotDefinition::StaticStruct(), GET_MEMBER_NAME_CHECKED(FSmartObjectSlotDefinition, SelectionPreconditions));
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check(OverrideProperty);
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PropOverride.PropertyPath = FFieldPath(OverrideProperty);
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ObjSaveOverride.PropOverrides.Add(PropOverride);
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SaveContext.AddSaveOverride(this, ObjSaveOverride);
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}
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#endif // WITH_EDITOR
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}
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void USmartObjectDefinition::UpdateSlotReferences()
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{
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for (FSmartObjectSlotDefinition& Slot : Slots)
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{
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for (FSmartObjectDefinitionDataProxy& DataProxy : Slot.DefinitionData)
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{
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if (!DataProxy.Data.IsValid())
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{
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continue;
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}
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const UScriptStruct* ScriptStruct = DataProxy.Data.GetScriptStruct();
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uint8* Memory = DataProxy.Data.GetMutableMemory();
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for (TFieldIterator<FProperty> It(ScriptStruct); It; ++It)
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{
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if (const FStructProperty* StructProp = CastField<FStructProperty>(*It))
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{
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if (StructProp->Struct == TBaseStructure<FSmartObjectSlotReference>::Get())
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{
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FSmartObjectSlotReference& Ref = *StructProp->ContainerPtrToValuePtr<FSmartObjectSlotReference>(Memory);
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const int32 Index = FindSlotByID(Ref.GetSlotID());
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Ref.SetIndex(Index);
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}
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}
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}
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}
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}
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}
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void USmartObjectDefinition::UpdateBindingPaths()
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{
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for (auto It = PropertyBindings.CreateIterator(); It; ++It)
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{
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if (!UpdateAndValidatePath(It->TargetPath)
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|| !UpdateAndValidatePath(It->SourcePath))
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{
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It.RemoveCurrentSwap();
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}
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}
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ApplyParameters();
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}
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bool USmartObjectDefinition::UpdateAndValidatePath(FPropertyBindingPath& Path)
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{
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FPropertyBindingDataView DataView;
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if (!GetDataViewByID(Path.GetStructID(), DataView))
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{
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return false;
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}
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if (!Path.UpdateSegmentsFromValue(DataView))
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{
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return false;
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}
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return true;
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}
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#endif // WITH_EDITOR
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void USmartObjectDefinition::PostInitProperties()
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{
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Super::PostInitProperties();
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#if WITH_EDITOR
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EnsureValidGuids();
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#endif
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}
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void USmartObjectDefinition::PostLoad()
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{
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Super::PostLoad();
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// Fill in missing world condition schema for old data.
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if (!WorldConditionSchemaClass)
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{
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WorldConditionSchemaClass = GetDefault<USmartObjectSettings>()->DefaultWorldConditionSchemaClass;
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}
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if (Preconditions.GetSchemaClass().Get() == nullptr)
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{
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Preconditions.SetSchemaClass(WorldConditionSchemaClass);
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}
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#if WITH_EDITOR
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PRAGMA_DISABLE_DEPRECATION_WARNINGS
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if (!ObjectTagFilter.IsEmpty())
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{
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FWorldCondition_SmartObjectActorTagQuery NewActorTagQueryCondition;
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NewActorTagQueryCondition.TagQuery = ObjectTagFilter;
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Preconditions.AddCondition(FWorldConditionEditable(0, EWorldConditionOperator::And, FConstStructView::Make(NewActorTagQueryCondition)));
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ObjectTagFilter.Clear();
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UE_ASSET_LOG(LogSmartObject, Log, this, TEXT("Deprecated object tag filter has been replaced by a %s precondition to validate tags on the smart object actor."
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" If the intent was to validate against instance runtime tags then the condition should be replaced by %s."),
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*FWorldCondition_SmartObjectActorTagQuery::StaticStruct()->GetName(),
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*FSmartObjectWorldConditionObjectTagQuery::StaticStruct()->GetName());
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}
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if (PreviewClass_DEPRECATED.IsValid())
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{
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PreviewData.ObjectActorClass = PreviewClass_DEPRECATED;
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PreviewClass_DEPRECATED.Reset();
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}
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if (PreviewMeshPath_DEPRECATED.IsValid())
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{
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PreviewData.ObjectMeshPath = PreviewMeshPath_DEPRECATED;
|
|
PreviewMeshPath_DEPRECATED.Reset();
|
|
}
|
|
|
|
for (TEnumerateRef<FSmartObjectSlotDefinition> Slot : EnumerateRange(Slots))
|
|
{
|
|
if (Slot->Data_DEPRECATED.Num() > 0)
|
|
{
|
|
Slot->DefinitionData.Reserve(Slot->Data_DEPRECATED.Num());
|
|
|
|
for (TEnumerateRef<const FInstancedStruct> Data : EnumerateRange(Slot->Data_DEPRECATED))
|
|
{
|
|
FSmartObjectDefinitionDataProxy& DataProxy = Slot->DefinitionData.AddDefaulted_GetRef();
|
|
DataProxy.Data.InitializeAsScriptStruct(Data->GetScriptStruct(), Data->GetMemory());
|
|
|
|
static FName DataProxyName(TEXT("DataProxy"));
|
|
const uint32 Hashes[] = {
|
|
GetTypeHash(DataProxyName),
|
|
GetTypeHash(Slot.GetIndex()),
|
|
GetTypeHash(Data.GetIndex())
|
|
};
|
|
const uint64 Hash = CityHash64((const char*)Hashes, sizeof Hashes);
|
|
DataProxy.ID = FGuid::NewDeterministicGuid(GetPathName(), Hash);
|
|
}
|
|
Slot->Data_DEPRECATED.Reset();
|
|
}
|
|
}
|
|
PRAGMA_ENABLE_DEPRECATION_WARNINGS
|
|
|
|
EnsureValidGuids();
|
|
UpdateBindingDataHandles();
|
|
#endif
|
|
|
|
Preconditions.Initialize(this);
|
|
|
|
for (FSmartObjectSlotDefinition& Slot : Slots)
|
|
{
|
|
#if WITH_EDITOR
|
|
// Fill in missing slot ID for old data.
|
|
if (!Slot.ID.IsValid())
|
|
{
|
|
Slot.ID = FGuid::NewGuid();
|
|
}
|
|
#endif
|
|
// Fill in missing world condition schema for old data.
|
|
if (Slot.SelectionPreconditions.GetSchemaClass().Get() == nullptr)
|
|
{
|
|
Slot.SelectionPreconditions.SetSchemaClass(WorldConditionSchemaClass);
|
|
}
|
|
|
|
Slot.SelectionPreconditions.Initialize(this);
|
|
}
|
|
|
|
#if WITH_EDITOR
|
|
UpdateSlotReferences();
|
|
UpdateBindingPaths();
|
|
|
|
Validate();
|
|
#endif
|
|
}
|
|
|
|
USmartObjectDefinition* USmartObjectDefinition::GetAssetVariation(const FInstancedPropertyBag& VariationParameters)
|
|
{
|
|
// If no parameters, return this asset.
|
|
if (!VariationParameters.IsValid())
|
|
{
|
|
return this;
|
|
}
|
|
|
|
// Remove unused variations
|
|
for (auto It = Variations.CreateIterator(); It; ++It)
|
|
{
|
|
if (!It->DefinitionAsset.IsValid())
|
|
{
|
|
It.RemoveCurrentSwap();
|
|
}
|
|
}
|
|
|
|
// Expect correct bag if provided.
|
|
UPropertyBag* VariationParametersBag = const_cast<UPropertyBag*>(VariationParameters.GetPropertyBagStruct());
|
|
if (!VariationParametersBag || VariationParametersBag != Parameters.GetPropertyBagStruct())
|
|
{
|
|
UE_LOG(LogSmartObject, Error, TEXT("%hs %s: Expecting matching variation parameters."), __FUNCTION__, *GetFullNameSafe(this));
|
|
return nullptr;
|
|
}
|
|
|
|
// Calculate hash of the parameters, will be used to look up an existing variation.
|
|
TArray<uint8> Data;
|
|
FMemoryWriter Writer(Data);
|
|
FObjectAndNameAsStringProxyArchive WriterProxy(Writer, /*bInLoadIfFindFails*/true);
|
|
VariationParametersBag->SerializeItem(WriterProxy, const_cast<uint8*>(VariationParameters.GetValue().GetMemory()), /* Defaults */ nullptr);
|
|
|
|
const uint64 VariationParametersHash = CityHash64((const char*)Data.GetData(), Data.Num());
|
|
|
|
const FSmartObjectDefinitionAssetVariation* ExistingVariation = Variations.FindByPredicate([VariationParametersHash](const FSmartObjectDefinitionAssetVariation& Variation)
|
|
{
|
|
return Variation.ParametersHash == VariationParametersHash;
|
|
});
|
|
if (ExistingVariation)
|
|
{
|
|
return ExistingVariation->DefinitionAsset.Get();
|
|
}
|
|
|
|
// Not the same, create a new one.
|
|
const FName UniqueName = MakeUniqueObjectName(
|
|
GetTransientPackage(),
|
|
USmartObjectDefinition::StaticClass(),
|
|
FName(FString::Printf(TEXT("%s_Var%llx"), *GetNameSafe(this), VariationParametersHash))
|
|
);
|
|
|
|
USmartObjectDefinition* AssetVariation = DuplicateObject(this, GetTransientPackage(), UniqueName);
|
|
check(AssetVariation);
|
|
|
|
// Apply parameters
|
|
AssetVariation->Parameters = VariationParameters;
|
|
AssetVariation->ApplyParameters();
|
|
|
|
// Keep track of variations.
|
|
Variations.Emplace(AssetVariation, VariationParametersHash);
|
|
|
|
return AssetVariation;
|
|
}
|
|
|
|
void USmartObjectDefinition::ApplyParameters()
|
|
{
|
|
// Do property copies
|
|
for (const FSmartObjectDefinitionPropertyBinding& Binding : PropertyBindings)
|
|
{
|
|
FPropertyBindingDataView SourceDataView;
|
|
if (!GetDataView(Binding.SourceDataHandle, SourceDataView))
|
|
{
|
|
UE_LOG(LogSmartObject, Error, TEXT("%hs %s: Could not find data view for property copy source %s."), __FUNCTION__, *GetFullNameSafe(this), *Binding.SourcePath.ToString());
|
|
continue;
|
|
}
|
|
|
|
FPropertyBindingDataView TargetDataView;
|
|
if (!GetDataView(Binding.TargetDataHandle, TargetDataView))
|
|
{
|
|
UE_LOG(LogSmartObject, Error, TEXT("%hs %s: Could not find data view for property copy target %s."), __FUNCTION__, *GetFullNameSafe(this), *Binding.TargetPath.ToString());
|
|
continue;
|
|
}
|
|
|
|
CopyProperty(SourceDataView, Binding.SourcePath, TargetDataView, Binding.TargetPath);
|
|
}
|
|
}
|
|
|
|
bool USmartObjectDefinition::CopyProperty(FPropertyBindingDataView SourceDataView, const FPropertyBindingPath& SourcePath, FPropertyBindingDataView TargetDataView, const FPropertyBindingPath& TargetPath)
|
|
{
|
|
TArray<FPropertyBindingPathIndirection> SourceIndirections;
|
|
if (!SourcePath.ResolveIndirectionsWithValue(SourceDataView, SourceIndirections))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
TArray<FPropertyBindingPathIndirection> TargetIndirections;
|
|
if (!TargetPath.ResolveIndirectionsWithValue(TargetDataView, TargetIndirections))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
const FProperty* SourceLeafProperty = SourceIndirections.Last().GetProperty();
|
|
const FProperty* TargetLeafProperty = TargetIndirections.Last().GetProperty();
|
|
|
|
if (!SourceLeafProperty
|
|
|| !TargetLeafProperty
|
|
|| !ArePropertiesCompatible(SourceLeafProperty, TargetLeafProperty))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
const void* SourceAddress = SourceIndirections.Last().GetPropertyAddress();
|
|
void* TargetAddress = TargetIndirections.Last().GetMutablePropertyAddress();
|
|
|
|
if (SourceAddress && TargetAddress)
|
|
{
|
|
TargetLeafProperty->CopyCompleteValue(TargetAddress, SourceAddress);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
bool USmartObjectDefinition::ArePropertiesCompatible(const FProperty* SourceProperty, const FProperty* TargetProperty)
|
|
{
|
|
if (SourceProperty == TargetProperty)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
if (SourceProperty == nullptr || TargetProperty == nullptr)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
// Special case for object properties since InPropertyA->SameType(InPropertyB) requires both properties to be of the exact same class.
|
|
// In our case we want to be able to bind a source property if its class is a child of the target property class.
|
|
const FObjectPropertyBase* SourceObjectProperty = CastField<const FObjectPropertyBase>(SourceProperty);
|
|
const FObjectPropertyBase* TargetObjectProperty = CastField<const FObjectPropertyBase>(TargetProperty);
|
|
if (SourceObjectProperty && TargetObjectProperty)
|
|
{
|
|
return SourceObjectProperty->PropertyClass->IsChildOf(TargetObjectProperty->PropertyClass);
|
|
}
|
|
|
|
if (SourceProperty->SameType(TargetProperty))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
#if WITH_EDITOR
|
|
void USmartObjectDefinition::EnsureValidGuids()
|
|
{
|
|
if (!RootID.IsValid())
|
|
{
|
|
static FName RootName(TEXT("RootID"));
|
|
RootID = FGuid::NewDeterministicGuid(GetPathName(), GetTypeHash(RootName));
|
|
}
|
|
if (!ParametersID.IsValid())
|
|
{
|
|
static FName DataProxyName(TEXT("ParametersID"));
|
|
ParametersID = FGuid::NewDeterministicGuid(GetPathName(), GetTypeHash(DataProxyName));
|
|
}
|
|
}
|
|
|
|
void USmartObjectDefinition::UpdateBindingDataHandles()
|
|
{
|
|
for (FSmartObjectDefinitionPropertyBinding& Binding : PropertyBindings)
|
|
{
|
|
Binding.SourceDataHandle = GetDataHandleByID(Binding.SourcePath.GetStructID());
|
|
Binding.TargetDataHandle = GetDataHandleByID(Binding.TargetPath.GetStructID());
|
|
}
|
|
}
|
|
|
|
void USmartObjectDefinition::AddPropertyBinding(const FPropertyBindingPath& SourcePath, const FPropertyBindingPath& TargetPath)
|
|
{
|
|
FPropertyBindingPath ValidatedSourcePath = SourcePath;
|
|
if (!UpdateAndValidatePath(ValidatedSourcePath))
|
|
{
|
|
return;
|
|
}
|
|
|
|
FPropertyBindingPath ValidatedTargetPath = TargetPath;
|
|
if (!UpdateAndValidatePath(ValidatedSourcePath))
|
|
{
|
|
return;
|
|
}
|
|
|
|
RemovePropertyBindings(TargetPath);
|
|
|
|
PropertyBindings.Emplace(ValidatedSourcePath, ValidatedTargetPath);
|
|
|
|
UpdateBindingPaths();
|
|
UpdateBindingDataHandles();
|
|
}
|
|
|
|
void USmartObjectDefinition::RemovePropertyBindings(const FPropertyBindingPath& TargetPath)
|
|
{
|
|
PropertyBindings.RemoveAll([&TargetPath](const FSmartObjectDefinitionPropertyBinding& Binding)
|
|
{
|
|
return Binding.GetTargetPath() == TargetPath;
|
|
});
|
|
|
|
UpdateBindingDataHandles();
|
|
}
|
|
|
|
const FPropertyBindingPath* USmartObjectDefinition::GetPropertyBindingSource(const FPropertyBindingPath& TargetPath)
|
|
{
|
|
const FSmartObjectDefinitionPropertyBinding* Binding = PropertyBindings.FindByPredicate([&TargetPath](const FSmartObjectDefinitionPropertyBinding& Binding)
|
|
{
|
|
return Binding.GetTargetPath() == TargetPath;
|
|
});
|
|
return Binding ? &Binding->GetSourcePath() : nullptr;
|
|
}
|
|
|
|
void USmartObjectDefinition::GetAccessibleStructs(const FGuid TargetStructID, TArray<FBindableStructDesc>& OutStructDescs)
|
|
{
|
|
FBindableStructDesc& ParametersDesc = OutStructDescs.AddDefaulted_GetRef();
|
|
ParametersDesc.Name = FName(TEXT("Parameters"));
|
|
ParametersDesc.ID = ParametersID;
|
|
ParametersDesc.Struct = Parameters.GetPropertyBagStruct();
|
|
}
|
|
|
|
bool USmartObjectDefinition::GetDataViewByID(const FGuid StructID, FPropertyBindingDataView& OutDataView)
|
|
{
|
|
if (StructID == ParametersID)
|
|
{
|
|
OutDataView = FPropertyBindingDataView(Parameters.GetMutableValue());
|
|
return true;
|
|
}
|
|
if (StructID == RootID)
|
|
{
|
|
OutDataView = FPropertyBindingDataView(this);
|
|
return true;
|
|
}
|
|
|
|
for (FSmartObjectSlotDefinition& Slot : Slots)
|
|
{
|
|
if (StructID == Slot.ID)
|
|
{
|
|
OutDataView = FPropertyBindingDataView(FStructView::Make(Slot));
|
|
return true;
|
|
}
|
|
for (FSmartObjectDefinitionDataProxy& DataProxy : Slot.DefinitionData)
|
|
{
|
|
if (StructID == DataProxy.ID)
|
|
{
|
|
OutDataView = FPropertyBindingDataView(DataProxy.Data.GetScriptStruct(), DataProxy.Data.GetMutableMemory());
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool USmartObjectDefinition::GetStructDescByID(const FGuid StructID, FBindableStructDesc& OutDesc)
|
|
{
|
|
if (StructID == ParametersID)
|
|
{
|
|
OutDesc = FBindableStructDesc(FName(TEXT("Parameters")), Parameters.GetMutableValue().GetScriptStruct(), ParametersID);
|
|
return true;
|
|
}
|
|
if (StructID == RootID)
|
|
{
|
|
OutDesc = FBindableStructDesc(FName(TEXT("Root")), StaticClass(), RootID);
|
|
return true;
|
|
}
|
|
|
|
for (FSmartObjectSlotDefinition& Slot : Slots)
|
|
{
|
|
if (StructID == Slot.ID)
|
|
{
|
|
OutDesc = FBindableStructDesc(Slot.Name, TBaseStructure<FSmartObjectSlotDefinition>::Get(), Slot.ID);
|
|
return true;
|
|
}
|
|
for (FSmartObjectDefinitionDataProxy& DataProxy : Slot.DefinitionData)
|
|
{
|
|
if (StructID == DataProxy.ID)
|
|
{
|
|
FString DataName = Slot.Name.ToString();
|
|
const UScriptStruct* ScriptStruct = DataProxy.Data.GetScriptStruct();
|
|
if (ScriptStruct)
|
|
{
|
|
DataName += TEXT(" ");
|
|
DataName += ScriptStruct->GetDisplayNameText().ToString();
|
|
}
|
|
OutDesc = FBindableStructDesc(FName(DataName), ScriptStruct, DataProxy.ID);
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
FSmartObjectDefinitionDataHandle USmartObjectDefinition::GetDataHandleByID(const FGuid StructID)
|
|
{
|
|
if (StructID == ParametersID)
|
|
{
|
|
return FSmartObjectDefinitionDataHandle::Parameters;
|
|
}
|
|
if (StructID == RootID)
|
|
{
|
|
return FSmartObjectDefinitionDataHandle::Root;
|
|
}
|
|
|
|
for (const TEnumerateRef<const FSmartObjectSlotDefinition> Slot : EnumerateRange(Slots))
|
|
{
|
|
if (StructID == Slot->ID)
|
|
{
|
|
return FSmartObjectDefinitionDataHandle(Slot.GetIndex());
|
|
}
|
|
for (const TEnumerateRef<const FSmartObjectDefinitionDataProxy> DataProxy : EnumerateRange(Slot->DefinitionData))
|
|
{
|
|
if (StructID == DataProxy->ID)
|
|
{
|
|
return FSmartObjectDefinitionDataHandle(Slot.GetIndex(), DataProxy.GetIndex());
|
|
}
|
|
}
|
|
}
|
|
|
|
return {};
|
|
}
|
|
|
|
FGuid USmartObjectDefinition::GetDataRootID() const
|
|
{
|
|
return RootID;
|
|
}
|
|
|
|
bool USmartObjectDefinition::AddParameterAndBindingFromPropertyPath(const FPropertyBindingPath& TargetPath)
|
|
{
|
|
if (TargetPath.IsPathEmpty())
|
|
{
|
|
return false;
|
|
}
|
|
|
|
FPropertyBindingDataView TargetDataView;
|
|
if (!GetDataViewByID(TargetPath.GetStructID(), TargetDataView))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
FBindableStructDesc TargetDesc;
|
|
if (!GetStructDescByID(TargetPath.GetStructID(), TargetDesc))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
TArray<FPropertyBindingPathIndirection> TargetIndirections;
|
|
if (!TargetPath.ResolveIndirectionsWithValue(TargetDataView, TargetIndirections))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// Add new property
|
|
const FProperty* TargetLeafProperty = TargetIndirections.Last().GetProperty();
|
|
|
|
const FString NewNameString = TargetDesc.Name.ToString() + TEXT(" ") + TargetLeafProperty->GetDisplayNameText().ToString();
|
|
const FName NewPropertyName(NewNameString);
|
|
|
|
Parameters.AddProperty(NewPropertyName, TargetLeafProperty);
|
|
|
|
const FPropertyBindingPath SourcePath(ParametersID, NewPropertyName);
|
|
|
|
// Copy the current value to the newly created parameter.
|
|
FPropertyBindingDataView SourceDataView;
|
|
if (GetDataViewByID(SourcePath.GetStructID(), SourceDataView))
|
|
{
|
|
// Note: source/target reversed intentionally.
|
|
CopyProperty(TargetDataView, TargetPath, SourceDataView, SourcePath);
|
|
}
|
|
|
|
// Add binding
|
|
AddPropertyBinding(SourcePath, TargetPath);
|
|
|
|
// Update UI
|
|
UE::SmartObject::Delegates::OnParametersChanged.Broadcast(*this);
|
|
|
|
return true;
|
|
}
|
|
|
|
#endif // WITH_EDITOR
|
|
|
|
bool USmartObjectDefinition::GetDataView(const FSmartObjectDefinitionDataHandle DataHandle, FPropertyBindingDataView& OutDataView)
|
|
{
|
|
if (!DataHandle.IsSlotValid())
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (DataHandle.IsParameters())
|
|
{
|
|
OutDataView = FPropertyBindingDataView(Parameters.GetMutableValue());
|
|
return true;
|
|
}
|
|
if (DataHandle.IsRoot())
|
|
{
|
|
OutDataView = FPropertyBindingDataView(this);
|
|
return true;
|
|
}
|
|
|
|
const int32 SlotIndex = DataHandle.GetSlotIndex();
|
|
if (Slots.IsValidIndex(SlotIndex))
|
|
{
|
|
FSmartObjectSlotDefinition& Slot = Slots[SlotIndex];
|
|
|
|
if (DataHandle.IsDataValid())
|
|
{
|
|
// Slot data definition
|
|
const int32 DataDefinitionIndex = DataHandle.GetDataIndex();
|
|
if (Slot.DefinitionData.IsValidIndex(DataDefinitionIndex))
|
|
{
|
|
FSmartObjectDefinitionDataProxy& DataProxy = Slot.DefinitionData[DataDefinitionIndex];
|
|
OutDataView = FPropertyBindingDataView(DataProxy.Data.GetScriptStruct(), DataProxy.Data.GetMutableMemory());
|
|
return true;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Just a slot
|
|
OutDataView = FPropertyBindingDataView(FStructView::Make(Slot));
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
#undef LOCTEXT_NAMESPACE
|