Add new plugins, refactor exp, introduce stat forge to replace GAS

Plugins/StevesUEHelpers/Source/StevesUEHelpersEd/Private/StevesFixedDataTableCustomisationLayout.h

@@ -0,0 +1,40 @@
+// Copyright Steve Streeting 2020 onwards
+// Released under the MIT license
+#pragma once
+
+#include "Containers/Array.h"
+#include "Containers/UnrealString.h"
+#include "IPropertyTypeCustomization.h"
+#include "Templates/SharedPointer.h"
+#include "UObject/NameTypes.h"
+
+class IPropertyHandle;
+class SToolTip;
+class UDataTable;
+class UScriptStruct;
+struct FAssetData;
+
+/// Drop-down for data table row name when the table itself is fixed in meta tags
+class FStevesFixedDataTableCustomisationLayout : public IPropertyTypeCustomization
+{
+public:
+	static TSharedRef<IPropertyTypeCustomization> MakeInstance() 
+	{
+		return MakeShareable( new FStevesFixedDataTableCustomisationLayout );
+	}
+
+	virtual void CustomizeHeader(TSharedRef<class IPropertyHandle> InStructPropertyHandle, class FDetailWidgetRow& HeaderRow, IPropertyTypeCustomizationUtils& StructCustomizationUtils) override;
+	// Not needed, but must be implemented
+	virtual void CustomizeChildren(TSharedRef<class IPropertyHandle> InStructPropertyHandle, class IDetailChildrenBuilder& StructBuilder, IPropertyTypeCustomizationUtils& StructCustomizationUtils) override {}
+
+protected:
+	bool GetCurrentValue(UDataTable*& OutDataTable, FName& OutName) const;
+	void OnSearchForReferences();
+	void OnGetRowStrings(TArray< TSharedPtr<FString> >& OutStrings, TArray<TSharedPtr<SToolTip>>& OutToolTips, TArray<bool>& OutRestrictedItems) const;
+	FString OnGetRowValueString() const;
+	void BrowseTableButtonClicked();
+
+	TSharedPtr<IPropertyHandle> DataTablePropertyHandle;
+	TSharedPtr<IPropertyHandle> RowNamePropertyHandle;
+
+};