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29aa1cb83b
OnlyPlaceable metadata added. Indicates whether only placeable classes should be shown in the class picker. More robust AGameMode::PreInitializeComponents ttp345655 CRITICAL: CRASH: BLUEPRINT: adding GameMode blueprint as a child actor [CL 2295026 by Maciej Mroz in Main branch]
111 lines
3.4 KiB
C++
111 lines
3.4 KiB
C++
// Copyright 1998-2014 Epic Games, Inc. All Rights Reserved.
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#include "ClassViewerPrivatePCH.h"
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#include "ClassViewerNode.h"
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#include "ClassViewerFilter.h"
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#include "PropertyEditorModule.h"
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#include "PropertyHandle.h"
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FClassViewerNode::FClassViewerNode( const FString& InClassName, const FString& InClassDisplayName )
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{
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ClassName = MakeShareable(new FString(InClassName));
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ClassDisplayName = MakeShareable(new FString(InClassDisplayName));
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bPassesFilter = false;
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bIsBPNormalType = false;
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Class = NULL;
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Blueprint = NULL;
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}
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FClassViewerNode::FClassViewerNode( const FClassViewerNode& InCopyObject)
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{
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ClassName = InCopyObject.ClassName;
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ClassDisplayName = InCopyObject.ClassDisplayName;
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bPassesFilter = InCopyObject.bPassesFilter;
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Class = InCopyObject.Class;
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Blueprint = InCopyObject.Blueprint;
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UnloadedBlueprintData = InCopyObject.UnloadedBlueprintData;
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GeneratedClassPackage = InCopyObject.GeneratedClassPackage;
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GeneratedClassname = InCopyObject.GeneratedClassname;
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ParentClassname = InCopyObject.ParentClassname;
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ClassName = InCopyObject.ClassName;
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AssetName = InCopyObject.AssetName;
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bIsBPNormalType = InCopyObject.bIsBPNormalType;
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// We do not want to copy the child list, do not add it. It should be the only item missing.
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}
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/**
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* Adds the specified child to the node.
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*
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* @param Child The child to be added to this node for the tree.
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*/
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void FClassViewerNode::AddChild( TSharedPtr<FClassViewerNode> Child )
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{
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check(Child.IsValid());
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ChildrenList.Add(Child);
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}
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void FClassViewerNode::AddUniqueChild(TSharedPtr<FClassViewerNode> NewChild)
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{
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check(NewChild.IsValid());
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const UClass* NewChildClass = NewChild->Class.Get();
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if(NULL != NewChildClass)
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{
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for(int ChildIndex = 0; ChildIndex < ChildrenList.Num(); ++ChildIndex)
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{
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TSharedPtr<FClassViewerNode> OldChild = ChildrenList[ChildIndex];
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if(OldChild.IsValid() && OldChild->Class == NewChildClass)
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{
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const bool bNewChildHasMoreInfo = NewChild->UnloadedBlueprintData.IsValid();
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const bool bOldChildHasMoreInfo = OldChild->UnloadedBlueprintData.IsValid();
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if(bNewChildHasMoreInfo && !bOldChildHasMoreInfo)
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{
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// make sure, that new child has all needed children
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for(int OldChildIndex = 0; OldChildIndex < OldChild->ChildrenList.Num(); ++OldChildIndex)
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{
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NewChild->AddUniqueChild( OldChild->ChildrenList[OldChildIndex] );
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}
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// replace child
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ChildrenList[ChildIndex] = NewChild;
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}
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return;
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}
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}
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}
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AddChild(NewChild);
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}
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bool FClassViewerNode::IsRestricted() const
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{
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return PropertyHandle.IsValid() && PropertyHandle->IsRestricted(*ClassName);
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}
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bool FClassViewerNode::IsClassPlaceable() const
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{
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const UClass* LoadedClass = Class.Get();
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if (LoadedClass)
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{
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const bool bPlaceableFlags = !LoadedClass->HasAnyClassFlags(CLASS_Abstract | CLASS_NotPlaceable);
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const bool bBasedOnActor = LoadedClass->IsChildOf(AActor::StaticClass());
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const bool bNotABrush = !LoadedClass->IsChildOf(ABrush::StaticClass());
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return bPlaceableFlags && bBasedOnActor && bNotABrush;
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}
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if (UnloadedBlueprintData.IsValid())
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{
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const bool bPlaceableFlags = !UnloadedBlueprintData->HasAnyClassFlags(CLASS_Abstract | CLASS_NotPlaceable);
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const bool bBasedOnActor = UnloadedBlueprintData->IsChildOf(AActor::StaticClass());
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const bool bNotABrush = !UnloadedBlueprintData->IsChildOf(ABrush::StaticClass());
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return bPlaceableFlags && bBasedOnActor && bNotABrush;
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}
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return false;
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}
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