SDialogueGraphNode_Edge.h

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// Copyright Csaba Molnar, Daniel Butum. All Rights Reserved.
#pragma once
 
#include "Widgets/DeclarativeSyntaxSupport.h"
#include "SGraphNode.h"
 
#include "DialogueGraphNode_Edge.h"
#include "SDialogueGraphNode_Base.h"
 
class SDialogueGraphNode_Edge : public SDialogueGraphNode_Base
{
    typedef SDialogueGraphNode_Base Super;
    typedef SDialogueGraphNode_Edge Self;
 
public:
    SLATE_BEGIN_ARGS(Self) {}
    SLATE_END_ARGS()
 
    void Construct(const FArguments& InArgs, UDialogueGraphNode_Edge* InNode);
 
    // Begin SWidget interface
 
    void OnMouseEnter(const FGeometry& MyGeometry, const FPointerEvent& MouseEvent) override;
 
    void OnMouseLeave(const FPointerEvent& MouseEvent) override;
 
    // End SWidget interface
 
    // Begin SNodePanel::SNode Interface
 
    void MoveTo(const FVector2D& NewPosition, FNodeSet& NodeFilter, bool bMarkDirty = true) override;
 
    bool RequiresSecondPassLayout() const override { return true; }
 
    void PerformSecondPassLayout(const TMap<UObject*, TSharedRef<SNode>>& InNodeToWidgetLookup) const override;
 
    TArray<FOverlayWidgetInfo> GetOverlayWidgets(bool bSelected, const FVector2D& WidgetSize) const override;
    // End SNodePanel::SNode Interface
 
    // Begin SGraphNode Interface
    void UpdateGraphNode() override;
    // End SGraphNode Interface
 
    // Begin SDialogueGraphNode_Base Interface
    EVisibility GetNodeVisibility() const override
    {
        return DialogueGraphNode_Edge && DialogueGraphNode_Edge->ShouldDrawEdge() ? EVisibility::Visible : EVisibility::Hidden;
    }
    // End SDialogueGraphNode_Base Interface
 
    // Begin own functions
    void PositionBetweenTwoNodesWithOffset(const FGeometry& StartGeom, const FGeometry& EndGeom, int32 NodeIndex, int32 MaxNodes) const;
 
    FSlateColor GetTransitionColor() const { return DialogueGraphNode_Edge->GetEdgeColor(IsHovered()); }
 
    // End own functions
 
protected:
    FText GetConditionOverlayTooltipText() const;
 
    EVisibility GetOverlayWidgetVisibility() const;
 
    FSlateColor GetOverlayWidgetBackgroundColor(bool bHovered) const
    {
        return DialogueGraphNode_Edge->GetEdgeColor(bHovered);
    }
 
protected:
    // The dialogue Edge this widget represents
    UDialogueGraphNode_Edge* DialogueGraphNode_Edge = nullptr;
 
    TSharedPtr<SWidget> ConditionOverlayWidget;
};