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9183978e29
* Removed includes (using IWYU) in private files #preflight 63c79978ac35a0e9dabbe408 #rb none [CL 23770038 by henrik karlsson in ue5-main branch]
709 lines
23 KiB
C++
709 lines
23 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "StateTreePropertyBindingCompiler.h"
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#include "IPropertyAccessEditor.h"
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#include "PropertyPathHelpers.h"
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#include "StateTreeCompiler.h"
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#include "StateTreeEditorPropertyBindings.h"
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#include UE_INLINE_GENERATED_CPP_BY_NAME(StateTreePropertyBindingCompiler)
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bool FStateTreePropertyBindingCompiler::Init(FStateTreePropertyBindings& InPropertyBindings, FStateTreeCompilerLog& InLog)
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{
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Log = &InLog;
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PropertyBindings = &InPropertyBindings;
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PropertyBindings->Reset();
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SourceStructs.Reset();
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return true;
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}
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bool FStateTreePropertyBindingCompiler::CompileBatch(const FStateTreeBindableStructDesc& TargetStruct, TConstArrayView<FStateTreeEditorPropertyBinding> EditorPropertyBindings, int32& OutBatchIndex)
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{
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check(Log);
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check(PropertyBindings);
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OutBatchIndex = INDEX_NONE;
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StoreSourceStructs();
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TArray<FStateTreePropertySegment> SourceSegments;
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TArray<FStateTreePropertySegment> TargetSegments;
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const int32 BindingsBegin = PropertyBindings->PropertyBindings.Num();
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for (const FStateTreeEditorPropertyBinding& EditorBinding : EditorPropertyBindings)
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{
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if (EditorBinding.TargetPath.StructID != TargetStruct.ID)
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{
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continue;
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}
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// Source must be in the source array
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const FGuid SourceStructID = EditorBinding.SourcePath.StructID;
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const int32 SourceStructIdx = SourceStructs.IndexOfByPredicate([SourceStructID](const FStateTreeBindableStructDesc& Struct)
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{
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return (Struct.ID == SourceStructID);
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});
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if (SourceStructIdx == INDEX_NONE)
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{
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Log->Reportf(EMessageSeverity::Error, TargetStruct,
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TEXT("Could not find a binding source."));
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return false;
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}
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const FStateTreeBindableStructDesc& SourceStruct = SourceStructs[SourceStructIdx];
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FStateTreePropertyBinding& NewBinding = PropertyBindings->PropertyBindings.AddDefaulted_GetRef();
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SourceSegments.Reset();
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TargetSegments.Reset();
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// Resolve paths
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const FProperty* SourceLeafProperty = nullptr;
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int32 SourceLeafArrayIndex = INDEX_NONE;
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if (!ResolvePropertyPath(SourceStruct, EditorBinding.SourcePath, SourceSegments, SourceLeafProperty, SourceLeafArrayIndex, Log, &TargetStruct))
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{
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Log->Reportf(EMessageSeverity::Error, TargetStruct,
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TEXT("Could not resolve path to '%s:%s'."),
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*SourceStruct.Name.ToString(), *EditorBinding.SourcePath.ToString());
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return false;
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}
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// Destination container is set to 0, it is assumed to be passed in when doing the batch copy.
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const FProperty* TargetLeafProperty = nullptr;
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int32 TargetLeafArrayIndex = INDEX_NONE;
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if (!ResolvePropertyPath(TargetStruct, EditorBinding.TargetPath, TargetSegments, TargetLeafProperty, TargetLeafArrayIndex, Log, &TargetStruct))
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{
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Log->Reportf(EMessageSeverity::Error, TargetStruct,
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TEXT("Could not resolve path to '%s:%s'."),
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*TargetStruct.Name.ToString(), *EditorBinding.TargetPath.ToString());
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return false;
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}
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auto StorePropertyPath = [this, &TargetStruct](FStateTreePropertySegment& FirstPathSegment, TArray<FStateTreePropertySegment>& Segments) -> bool
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{
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// The path is empty when directly bound to the target struct.
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if (Segments.IsEmpty())
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{
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return true;
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}
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FirstPathSegment = Segments[0];
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FStateTreePropertySegment* PrevSegment = &FirstPathSegment;
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for (int32 Index = 1; Index < Segments.Num(); Index++)
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{
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const int32 SegmentIndex = PropertyBindings->PropertySegments.Num();
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FStateTreePropertySegment& NewSegment = PropertyBindings->PropertySegments.Add_GetRef(Segments[Index]);
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if (const auto Validation = UE::StateTree::Compiler::IsValidIndex16(SegmentIndex); Validation.DidFail())
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{
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Validation.Log(*Log, TEXT("SegmentIndex"), TargetStruct);
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return false;
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}
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PrevSegment->NextIndex = FStateTreeIndex16(SegmentIndex);
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PrevSegment = &NewSegment;
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}
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return true;
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};
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if (!StorePropertyPath(NewBinding.SourcePath, SourceSegments))
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{
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return false;
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}
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if (!StorePropertyPath(NewBinding.TargetPath, TargetSegments))
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{
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return false;
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}
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if (const auto Validation = UE::StateTree::Compiler::IsValidIndex16(SourceStructIdx); Validation.DidFail())
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{
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Validation.Log(*Log, TEXT("SourceStructIdx"), TargetStruct);
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return false;
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}
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NewBinding.SourceStructIndex = FStateTreeIndex16(SourceStructIdx);
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NewBinding.CopyType = GetCopyType(SourceStruct.Struct, SourceLeafProperty, SourceLeafArrayIndex,
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TargetStruct.Struct, TargetLeafProperty, TargetLeafArrayIndex);
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if (NewBinding.CopyType == EStateTreePropertyCopyType::None)
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{
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Log->Reportf(EMessageSeverity::Error, TargetStruct,
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TEXT("Could not resolve copy type for properties '%s:%s' and '%s:%s'."),
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*SourceStruct.Name.ToString(), *EditorBinding.SourcePath.ToString(),
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*TargetStruct.Name.ToString(), *EditorBinding.TargetPath.ToString());
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return false;
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}
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}
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const int32 BindingsEnd = PropertyBindings->PropertyBindings.Num();
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if (BindingsBegin != BindingsEnd)
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{
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FStateTreePropCopyBatch& Batch = PropertyBindings->CopyBatches.AddDefaulted_GetRef();
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Batch.TargetStruct = TargetStruct;
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Batch.BindingsBegin = IntCastChecked<uint16>(BindingsBegin);
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Batch.BindingsEnd = IntCastChecked<uint16>(BindingsEnd);
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OutBatchIndex = PropertyBindings->CopyBatches.Num() - 1;
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}
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return true;
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}
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void FStateTreePropertyBindingCompiler::Finalize()
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{
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StoreSourceStructs();
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}
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int32 FStateTreePropertyBindingCompiler::AddSourceStruct(const FStateTreeBindableStructDesc& SourceStruct)
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{
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SourceStructs.Add(SourceStruct);
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return SourceStructs.Num() - 1;
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}
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int32 FStateTreePropertyBindingCompiler::GetSourceStructIndexByID(const FGuid& ID) const
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{
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return SourceStructs.IndexOfByPredicate([ID](const FStateTreeBindableStructDesc& Structs) { return (Structs.ID == ID); });
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}
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EStateTreePropertyCopyType FStateTreePropertyBindingCompiler::GetCopyType(const UStruct* SourceStruct, const FProperty* SourceProperty, const int32 SourceArrayIndex,
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const UStruct* TargetStruct, const FProperty* TargetProperty, const int32 TargetArrayIndex) const
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{
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if (SourceProperty == nullptr)
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{
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// Copy directly from the source struct, target must be.
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if (const FStructProperty* StructProperty = CastField<FStructProperty>(TargetProperty))
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{
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if (StructProperty->Struct == SourceStruct)
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{
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return EStateTreePropertyCopyType::CopyStruct;
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}
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}
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else if (const FObjectPropertyBase* ObjectProperty = CastField<FObjectPropertyBase>(TargetProperty))
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{
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if (SourceStruct->IsChildOf(ObjectProperty->PropertyClass))
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{
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return EStateTreePropertyCopyType::CopyObject;
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}
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}
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return EStateTreePropertyCopyType::None;
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}
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if (const FArrayProperty* SourceArrayProperty = CastField<FArrayProperty>(SourceProperty))
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{
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// use the array's inner property if we are not trying to copy the whole array
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if (SourceArrayIndex != INDEX_NONE)
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{
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SourceProperty = SourceArrayProperty->Inner;
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}
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}
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if (const FArrayProperty* TargetArrayProperty = CastField<FArrayProperty>(TargetProperty))
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{
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// use the array's inner property if we are not trying to copy the whole array
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if (TargetArrayIndex != INDEX_NONE)
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{
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TargetProperty = TargetArrayProperty->Inner;
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}
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}
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// Handle FStateTreeStructRef
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if (const FStructProperty* TargetStructProperty = CastField<const FStructProperty>(TargetProperty))
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{
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if (TargetStructProperty->Struct == TBaseStructure<FStateTreeStructRef>::Get())
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{
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if (const FStructProperty* SourceStructProperty = CastField<const FStructProperty>(SourceProperty))
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{
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// FStateTreeStructRef to FStateTreeStructRef is copied as usual.
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if (SourceStructProperty->Struct != TBaseStructure<FStateTreeStructRef>::Get())
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{
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return EStateTreePropertyCopyType::StructReference;
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}
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}
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}
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}
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const EPropertyAccessCompatibility Compatibility = GetPropertyCompatibility(SourceProperty, TargetProperty);
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// Extract underlying types for enums
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if (const FEnumProperty* EnumPropertyA = CastField<const FEnumProperty>(SourceProperty))
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{
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SourceProperty = EnumPropertyA->GetUnderlyingProperty();
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}
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if (const FEnumProperty* EnumPropertyB = CastField<const FEnumProperty>(TargetProperty))
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{
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TargetProperty = EnumPropertyB->GetUnderlyingProperty();
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}
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if (Compatibility == EPropertyAccessCompatibility::Compatible)
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{
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if (CastField<FNameProperty>(TargetProperty))
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{
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return EStateTreePropertyCopyType::CopyName;
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}
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else if (CastField<FBoolProperty>(TargetProperty))
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{
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return EStateTreePropertyCopyType::CopyBool;
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}
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else if (CastField<FStructProperty>(TargetProperty))
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{
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return EStateTreePropertyCopyType::CopyStruct;
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}
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else if (CastField<FObjectPropertyBase>(TargetProperty))
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{
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return EStateTreePropertyCopyType::CopyObject;
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}
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else if (CastField<FArrayProperty>(TargetProperty) && TargetProperty->HasAnyPropertyFlags(CPF_EditFixedSize))
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{
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// only apply array copying rules if the destination array is fixed size, otherwise it will be 'complex'
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return EStateTreePropertyCopyType::CopyFixedArray;
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}
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else if (TargetProperty->PropertyFlags & CPF_IsPlainOldData)
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{
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return EStateTreePropertyCopyType::CopyPlain;
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}
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else
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{
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return EStateTreePropertyCopyType::CopyComplex;
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}
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}
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else if (Compatibility == EPropertyAccessCompatibility::Promotable)
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{
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if (SourceProperty->IsA<FBoolProperty>())
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{
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if (TargetProperty->IsA<FByteProperty>())
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{
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return EStateTreePropertyCopyType::PromoteBoolToByte;
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}
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else if (TargetProperty->IsA<FIntProperty>())
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{
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return EStateTreePropertyCopyType::PromoteBoolToInt32;
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}
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else if (TargetProperty->IsA<FUInt32Property>())
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{
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return EStateTreePropertyCopyType::PromoteBoolToUInt32;
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}
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else if (TargetProperty->IsA<FInt64Property>())
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{
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return EStateTreePropertyCopyType::PromoteBoolToInt64;
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}
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else if (TargetProperty->IsA<FFloatProperty>())
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{
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return EStateTreePropertyCopyType::PromoteBoolToFloat;
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}
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else if (TargetProperty->IsA<FDoubleProperty>())
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{
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return EStateTreePropertyCopyType::PromoteBoolToDouble;
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}
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}
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else if (SourceProperty->IsA<FByteProperty>())
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{
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if (TargetProperty->IsA<FIntProperty>())
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{
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return EStateTreePropertyCopyType::PromoteByteToInt32;
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}
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else if (TargetProperty->IsA<FUInt32Property>())
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{
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return EStateTreePropertyCopyType::PromoteByteToUInt32;
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}
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else if (TargetProperty->IsA<FInt64Property>())
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{
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return EStateTreePropertyCopyType::PromoteByteToInt64;
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}
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else if (TargetProperty->IsA<FFloatProperty>())
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{
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return EStateTreePropertyCopyType::PromoteByteToFloat;
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}
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else if (TargetProperty->IsA<FDoubleProperty>())
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{
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return EStateTreePropertyCopyType::PromoteByteToDouble;
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}
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}
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else if (SourceProperty->IsA<FIntProperty>())
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{
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if (TargetProperty->IsA<FInt64Property>())
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{
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return EStateTreePropertyCopyType::PromoteInt32ToInt64;
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}
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else if (TargetProperty->IsA<FFloatProperty>())
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{
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return EStateTreePropertyCopyType::PromoteInt32ToFloat;
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}
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else if (TargetProperty->IsA<FDoubleProperty>())
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{
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return EStateTreePropertyCopyType::PromoteInt32ToDouble;
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}
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}
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else if (SourceProperty->IsA<FUInt32Property>())
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{
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if (TargetProperty->IsA<FInt64Property>())
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{
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return EStateTreePropertyCopyType::PromoteUInt32ToInt64;
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}
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else if (TargetProperty->IsA<FFloatProperty>())
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{
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return EStateTreePropertyCopyType::PromoteUInt32ToFloat;
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}
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else if (TargetProperty->IsA<FDoubleProperty>())
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{
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return EStateTreePropertyCopyType::PromoteUInt32ToDouble;
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}
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}
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else if (SourceProperty->IsA<FFloatProperty>())
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{
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if (TargetProperty->IsA<FIntProperty>())
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{
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return EStateTreePropertyCopyType::PromoteFloatToInt32;
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}
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else if (TargetProperty->IsA<FInt64Property>())
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{
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return EStateTreePropertyCopyType::PromoteFloatToInt64;
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}
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else if (TargetProperty->IsA<FDoubleProperty>())
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{
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return EStateTreePropertyCopyType::PromoteFloatToDouble;
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}
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}
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else if (SourceProperty->IsA<FDoubleProperty>())
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{
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if (TargetProperty->IsA<FIntProperty>())
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{
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return EStateTreePropertyCopyType::DemoteDoubleToInt32;
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}
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else if (TargetProperty->IsA<FInt64Property>())
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{
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return EStateTreePropertyCopyType::DemoteDoubleToInt64;
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}
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else if (TargetProperty->IsA<FFloatProperty>())
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{
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return EStateTreePropertyCopyType::DemoteDoubleToFloat;
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}
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}
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}
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ensureMsgf(false, TEXT("Couldnt determine property copy type (%s -> %s)"), *SourceProperty->GetNameCPP(), *TargetProperty->GetNameCPP());
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return EStateTreePropertyCopyType::None;
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}
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bool FStateTreePropertyBindingCompiler::ResolvePropertyPath(const FStateTreeBindableStructDesc& InStructDesc, const FStateTreeEditorPropertyPath& InPath,
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TArray<FStateTreePropertySegment>& OutSegments, const FProperty*& OutLeafProperty, int32& OutLeafArrayIndex,
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FStateTreeCompilerLog* InLog, const FStateTreeBindableStructDesc* InLogContextStruct)
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{
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if (!InPath.IsValid())
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{
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if (InLog != nullptr && InLogContextStruct != nullptr)
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{
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InLog->Reportf(EMessageSeverity::Error, *InLogContextStruct,
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TEXT("Invalid path '%s:%s'."),
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*InStructDesc.Name.ToString(), *InPath.ToString());
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}
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return false;
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}
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// If the path is empty, we're pointing directly at the source struct.
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if (InPath.Path.Num() == 0)
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{
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OutLeafProperty = nullptr;
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OutLeafArrayIndex = INDEX_NONE;
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return true;
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}
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const UStruct* CurrentStruct = InStructDesc.Struct;
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const FProperty* LeafProperty = nullptr;
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int32 LeafArrayIndex = INDEX_NONE;
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bool bResult = true;
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for (int32 SegmentIndex = 0; SegmentIndex < InPath.Path.Num(); SegmentIndex++)
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{
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const FString& SegmentString = InPath.Path[SegmentIndex];
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const TCHAR* PropertyNamePtr = nullptr;
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int32 PropertyNameLength = 0;
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int32 ArrayIndex = INDEX_NONE;
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PropertyPathHelpers::FindFieldNameAndArrayIndex(SegmentString.Len(), *SegmentString, PropertyNameLength, &PropertyNamePtr, ArrayIndex);
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ensure(PropertyNamePtr != nullptr);
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FString PropertyNameString(PropertyNameLength, PropertyNamePtr);
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const FName PropertyName = FName(*PropertyNameString, FNAME_Find);
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const bool bFinalSegment = SegmentIndex == (InPath.Path.Num() - 1);
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if (CurrentStruct == nullptr)
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{
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if (InLog != nullptr && InLogContextStruct != nullptr)
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{
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InLog->Reportf(EMessageSeverity::Error, *InLogContextStruct,
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TEXT("Malformed path '%s:%s'."),
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*InStructDesc.Name.ToString(), *InPath.ToString(SegmentIndex, TEXT("<"), TEXT(">")));
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}
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bResult = false;
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break;
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}
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const FProperty* Property = CurrentStruct->FindPropertyByName(PropertyName);
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if (Property == nullptr)
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{
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// TODO: use core redirects to fix up the name.
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if (InLog != nullptr && InLogContextStruct != nullptr)
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{
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InLog->Reportf(EMessageSeverity::Error, *InLogContextStruct,
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TEXT("Malformed path '%s:%s', could not find property '%s%s.%s'."),
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*InStructDesc.Name.ToString(), *InPath.ToString(SegmentIndex, TEXT("<"), TEXT(">")),
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CurrentStruct->GetPrefixCPP(), *CurrentStruct->GetName(), *PropertyName.ToString());
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}
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bResult = false;
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break;
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}
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if (const auto Validation = UE::StateTree::Compiler::IsValidIndex16(ArrayIndex); Validation.DidFail())
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{
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if (InLog != nullptr)
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{
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Validation.Log(*InLog, TEXT("ArrayIndex"), InStructDesc);
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}
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return false;
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}
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FStateTreePropertySegment& Segment = OutSegments.AddDefaulted_GetRef();
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Segment.Name = PropertyName;
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Segment.ArrayIndex = FStateTreeIndex16(ArrayIndex);
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// Check to see if it is an array access first
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const FArrayProperty* ArrayProperty = CastField<FArrayProperty>(Property);
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if (ArrayProperty != nullptr && ArrayIndex != INDEX_NONE)
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{
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// It is an array, now check to see if this is an array of structures
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if (const FStructProperty* ArrayOfStructsProperty = CastField<FStructProperty>(ArrayProperty->Inner))
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{
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Segment.Type = EStateTreePropertyAccessType::IndexArray;
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CurrentStruct = ArrayOfStructsProperty->Struct;
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}
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// if it's not an array of structs, maybe it's an array of objects
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else if (const FObjectPropertyBase* ArrayOfObjectsProperty = CastField<FObjectPropertyBase>(ArrayProperty->Inner))
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{
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Segment.Type = EStateTreePropertyAccessType::IndexArray;
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CurrentStruct = ArrayOfObjectsProperty->PropertyClass;
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if (!bFinalSegment)
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{
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// Object arrays need an object dereference adding if non-leaf
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FStateTreePropertySegment& ExtraSegment = OutSegments.AddDefaulted_GetRef();
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ExtraSegment.ArrayIndex = FStateTreeIndex16(0);
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ExtraSegment.Type = EStateTreePropertyAccessType::Object;
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const FProperty* InnerProperty = ArrayProperty->Inner;
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if (const FObjectProperty* ObjectProperty = CastField<FObjectProperty>(InnerProperty))
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{
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ExtraSegment.Type = EStateTreePropertyAccessType::Object;
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}
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else if (const FWeakObjectProperty* WeakObjectProperty = CastField<FWeakObjectProperty>(InnerProperty))
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{
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ExtraSegment.Type = EStateTreePropertyAccessType::WeakObject;
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}
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else if (const FSoftObjectProperty* SoftObjectProperty = CastField<FSoftObjectProperty>(InnerProperty))
|
|
{
|
|
ExtraSegment.Type = EStateTreePropertyAccessType::SoftObject;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
Segment.Type = EStateTreePropertyAccessType::IndexArray;
|
|
Segment.ArrayIndex = FStateTreeIndex16(ArrayIndex);
|
|
CurrentStruct = nullptr;
|
|
}
|
|
}
|
|
// Leaf segments all get treated the same, plain, array, struct or object. Copy type is figured out separately.
|
|
else if (bFinalSegment)
|
|
{
|
|
Segment.Type = EStateTreePropertyAccessType::Offset;
|
|
CurrentStruct = nullptr;
|
|
}
|
|
// Check to see if this is a simple structure (eg. not an array of structures)
|
|
else if (const FStructProperty* StructProperty = CastField<FStructProperty>(Property))
|
|
{
|
|
Segment.Type = EStateTreePropertyAccessType::Offset;
|
|
CurrentStruct = StructProperty->Struct;
|
|
}
|
|
// Check to see if this is a simple object (eg. not an array of objects)
|
|
else if (const FObjectProperty* ObjectProperty = CastField<FObjectProperty>(Property))
|
|
{
|
|
Segment.Type = EStateTreePropertyAccessType::Object;
|
|
CurrentStruct = ObjectProperty->PropertyClass;
|
|
}
|
|
// Check to see if this is a simple weak object property (eg. not an array of weak objects).
|
|
else if (const FWeakObjectProperty* WeakObjectProperty = CastField<FWeakObjectProperty>(Property))
|
|
{
|
|
Segment.Type = EStateTreePropertyAccessType::WeakObject;
|
|
CurrentStruct = WeakObjectProperty->PropertyClass;
|
|
}
|
|
// Check to see if this is a simple soft object property (eg. not an array of soft objects).
|
|
else if (const FSoftObjectProperty* SoftObjectProperty = CastField<FSoftObjectProperty>(Property))
|
|
{
|
|
Segment.Type = EStateTreePropertyAccessType::SoftObject;
|
|
CurrentStruct = SoftObjectProperty->PropertyClass;
|
|
}
|
|
else
|
|
{
|
|
if (InLog != nullptr && InLogContextStruct != nullptr)
|
|
{
|
|
InLog->Reportf(EMessageSeverity::Error, *InLogContextStruct,
|
|
TEXT("Unsupported segment %s in path '%s:%s'."),
|
|
*InStructDesc.Name.ToString(), *InPath.ToString(SegmentIndex, TEXT("<"), TEXT(">")),
|
|
*Property->GetCPPType(), *InStructDesc.Name.ToString(), *InPath.ToString(SegmentIndex, TEXT("<"), TEXT(">")));
|
|
}
|
|
bResult = false;
|
|
break;
|
|
}
|
|
|
|
if (bFinalSegment)
|
|
{
|
|
LeafProperty = Property;
|
|
LeafArrayIndex = ArrayIndex;
|
|
}
|
|
}
|
|
|
|
if (!bResult)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
OutLeafProperty = LeafProperty;
|
|
OutLeafArrayIndex = LeafArrayIndex;
|
|
|
|
return true;
|
|
}
|
|
|
|
EPropertyAccessCompatibility FStateTreePropertyBindingCompiler::GetPropertyCompatibility(const FProperty* FromProperty, const FProperty* ToProperty)
|
|
{
|
|
if (FromProperty == ToProperty)
|
|
{
|
|
return EPropertyAccessCompatibility::Compatible;
|
|
}
|
|
|
|
if (FromProperty == nullptr || ToProperty == nullptr)
|
|
{
|
|
return EPropertyAccessCompatibility::Incompatible;
|
|
}
|
|
|
|
// 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.
|
|
if (FromProperty->IsA<FObjectPropertyBase>() && ToProperty->IsA<FObjectPropertyBase>())
|
|
{
|
|
const FObjectPropertyBase* SourceProperty = CastField<FObjectPropertyBase>(FromProperty);
|
|
const FObjectPropertyBase* TargetProperty = CastField<FObjectPropertyBase>(ToProperty);
|
|
return (SourceProperty->PropertyClass->IsChildOf(TargetProperty->PropertyClass)) ? EPropertyAccessCompatibility::Compatible : EPropertyAccessCompatibility::Incompatible;
|
|
}
|
|
|
|
|
|
// When copying to an enum property, expect FromProperty to be the same enum.
|
|
auto GetPropertyEnum = [](const FProperty* Property) -> const UEnum*
|
|
{
|
|
if (const FByteProperty* ByteProperty = CastField<FByteProperty>(Property))
|
|
{
|
|
return ByteProperty->GetIntPropertyEnum();
|
|
}
|
|
if (const FEnumProperty* EnumProperty = CastField<FEnumProperty>(Property))
|
|
{
|
|
return EnumProperty->GetEnum();
|
|
}
|
|
return nullptr;
|
|
};
|
|
|
|
if (const UEnum* ToPropertyEnum = GetPropertyEnum(ToProperty))
|
|
{
|
|
const UEnum* FromPropertyEnum = GetPropertyEnum(FromProperty);
|
|
return (ToPropertyEnum == FromPropertyEnum) ? EPropertyAccessCompatibility::Compatible : EPropertyAccessCompatibility::Incompatible;
|
|
}
|
|
|
|
// Allow source enums to be promoted to numbers.
|
|
if (const FEnumProperty* EnumPropertyA = CastField<const FEnumProperty>(FromProperty))
|
|
{
|
|
FromProperty = EnumPropertyA->GetUnderlyingProperty();
|
|
}
|
|
|
|
if (FromProperty->SameType(ToProperty))
|
|
{
|
|
return EPropertyAccessCompatibility::Compatible;
|
|
}
|
|
else
|
|
{
|
|
// Not directly compatible, check for promotions
|
|
if (FromProperty->IsA<FBoolProperty>())
|
|
{
|
|
if (ToProperty->IsA<FByteProperty>()
|
|
|| ToProperty->IsA<FIntProperty>()
|
|
|| ToProperty->IsA<FUInt32Property>()
|
|
|| ToProperty->IsA<FInt64Property>()
|
|
|| ToProperty->IsA<FFloatProperty>()
|
|
|| ToProperty->IsA<FDoubleProperty>())
|
|
{
|
|
return EPropertyAccessCompatibility::Promotable;
|
|
}
|
|
}
|
|
else if (FromProperty->IsA<FByteProperty>())
|
|
{
|
|
if (ToProperty->IsA<FIntProperty>()
|
|
|| ToProperty->IsA<FUInt32Property>()
|
|
|| ToProperty->IsA<FInt64Property>()
|
|
|| ToProperty->IsA<FFloatProperty>()
|
|
|| ToProperty->IsA<FDoubleProperty>())
|
|
{
|
|
return EPropertyAccessCompatibility::Promotable;
|
|
}
|
|
}
|
|
else if (FromProperty->IsA<FIntProperty>())
|
|
{
|
|
if (ToProperty->IsA<FInt64Property>()
|
|
|| ToProperty->IsA<FFloatProperty>()
|
|
|| ToProperty->IsA<FDoubleProperty>())
|
|
{
|
|
return EPropertyAccessCompatibility::Promotable;
|
|
}
|
|
}
|
|
else if (FromProperty->IsA<FUInt32Property>())
|
|
{
|
|
if (ToProperty->IsA<FInt64Property>()
|
|
|| ToProperty->IsA<FFloatProperty>()
|
|
|| ToProperty->IsA<FDoubleProperty>())
|
|
{
|
|
return EPropertyAccessCompatibility::Promotable;
|
|
}
|
|
}
|
|
else if (FromProperty->IsA<FFloatProperty>())
|
|
{
|
|
if (ToProperty->IsA<FIntProperty>()
|
|
|| ToProperty->IsA<FInt64Property>()
|
|
|| ToProperty->IsA<FDoubleProperty>())
|
|
{
|
|
return EPropertyAccessCompatibility::Promotable;
|
|
}
|
|
}
|
|
else if (FromProperty->IsA<FDoubleProperty>())
|
|
{
|
|
if (ToProperty->IsA<FIntProperty>()
|
|
|| ToProperty->IsA<FInt64Property>()
|
|
|| ToProperty->IsA<FFloatProperty>())
|
|
{
|
|
return EPropertyAccessCompatibility::Promotable;
|
|
}
|
|
}
|
|
}
|
|
|
|
return EPropertyAccessCompatibility::Incompatible;
|
|
}
|
|
|
|
void FStateTreePropertyBindingCompiler::StoreSourceStructs()
|
|
{
|
|
// Check that existing structs are compatible
|
|
check(PropertyBindings->SourceStructs.Num() <= SourceStructs.Num());
|
|
for (int32 i = 0; i < PropertyBindings->SourceStructs.Num(); i++)
|
|
{
|
|
check(PropertyBindings->SourceStructs[i] == SourceStructs[i]);
|
|
}
|
|
|
|
// Add new
|
|
if (SourceStructs.Num() > PropertyBindings->SourceStructs.Num())
|
|
{
|
|
for (int32 i = PropertyBindings->SourceStructs.Num(); i < SourceStructs.Num(); i++)
|
|
{
|
|
PropertyBindings->SourceStructs.Add(SourceStructs[i]);
|
|
}
|
|
}
|
|
}
|
|
|