Lots of work on lua call interface, also improved makefiles

Source/Integration/LuaCallNode.h

@@ -0,0 +1,87 @@
+// Copyright Epic Games, Inc. All Rights Reserved.
+
+#pragma once
+
+#include "BlueprintErrors.h"
+#include "Containers/Array.h"
+#include "CoreMinimal.h"
+#include "EdGraph/EdGraphNode.h"
+#include "EdGraph/EdGraphPin.h"
+#include "HAL/Platform.h"
+#include "Internationalization/Text.h"
+#include "K2Node.h"
+#include "UObject/NameTypes.h"
+#include "UObject/ObjectMacros.h"
+#include "UObject/UObjectGlobals.h"
+#include "BlueprintErrors.h"
+
+#include "LuaCallNode.generated.h"
+
+class FBlueprintActionDatabaseRegistrar;
+class FString;
+class UEdGraph;
+class UObject;
+
+UENUM(BlueprintType)
+enum class ElxInvokeOrProbe : uint8 {
+
+	/* Invoke the lua function: call it on the server, mutating the world state. */
+	Invoke,
+
+	/* Probe the lua function: call it locally, not mutating the world state. */
+	Probe,
+};
+
+
+
+//
+// The Lua Call K2Node.
+//
+UCLASS(MinimalAPI)
+class UK2Node_LuaCall : public UK2Node
+{
+	GENERATED_UCLASS_BODY()
+
+	//~ Begin UObject Interface
+	virtual void PostEditChangeProperty(struct FPropertyChangedEvent& PropertyChangedEvent) override;
+	//~ End UObject Interface
+
+	//~ Begin UEdGraphNode Interface.
+	virtual void AllocateDefaultPins() override;
+	virtual FText GetNodeTitle(ENodeTitleType::Type TitleType) const override;
+	virtual bool ShouldShowNodeProperties() const override { return true; }
+	virtual void PinConnectionListChanged(UEdGraphPin* Pin) override;
+	virtual void PinDefaultValueChanged(UEdGraphPin* Pin) override;
+	virtual void PinTypeChanged(UEdGraphPin* Pin) override;
+	virtual FText GetTooltipText() const override;
+	virtual FText GetPinDisplayName(const UEdGraphPin* Pin) const override;
+	//~ End UEdGraphNode Interface.
+
+	//~ Begin UK2Node Interface.
+	virtual bool IsNodePure() const override { return false; }
+	virtual void PostReconstructNode() override;
+	virtual bool NodeCausesStructuralBlueprintChange() const override { return true; }
+	virtual void ExpandNode(class FKismetCompilerContext& CompilerContext, UEdGraph* SourceGraph) override;
+	virtual ERedirectType DoPinsMatchForReconstruction(const UEdGraphPin* NewPin, int32 NewPinIndex, const UEdGraphPin* OldPin, int32 OldPinIndex) const override;
+	virtual bool IsConnectionDisallowed(const UEdGraphPin* MyPin, const UEdGraphPin* OtherPin, FString& OutReason) const override;
+	virtual void GetMenuActions(FBlueprintActionDatabaseRegistrar& ActionRegistrar) const override;
+	virtual FText GetMenuCategory() const override;
+	virtual int32 GetNodeRefreshPriority() const override { return EBaseNodeRefreshPriority::Low_UsesDependentWildcard; }
+	//~ End UK2Node Interface.
+
+private:
+	/** Create all necessary pins. */
+	void CreateCorrectPins();
+
+	/** Synchronize the type of the given pin with the type its connected to, or reset it to a wildcard pin if there's no connection */
+	void SynchronizePinType(UEdGraphPin* Pin);
+
+private:
+	/** The lua function prototype, which must be saved as a property **/
+	UPROPERTY()
+	FString LuaFunctionPrototype;
+	
+	/** Tooltip text for this node. */
+	FText NodeTooltip;
+};
+