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b6ce38e6bf
#rb trivial #preflight 6421822ac44ce895fc483ec0 [CL 24801625 by mikko mononen in ue5-main branch]
102 lines
3.4 KiB
C++
102 lines
3.4 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "EngineDefines.h"
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#include "Math/Transform.h"
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#include "Templates/SubclassOf.h"
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class FCanvas;
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class FSceneView;
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class FPrimitiveDrawInterface;
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class USmartObjectDefinition;
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class UFont;
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class USmartObjectSubsystem;
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class AActor;
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class USmartObjectSlotValidationFilter;
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#if WITH_EDITOR
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/**
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* Helper class used for Smart Object Annotation rendering.
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*/
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struct SMARTOBJECTSMODULE_API FSmartObjectVisualizationContext
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{
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explicit FSmartObjectVisualizationContext(const USmartObjectDefinition& InDefinition, const UWorld& InWorld);
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/** @return true of the context is property set up for 2D drawing. */
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bool IsValidForDraw() const;
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/** @return true of the context is property set up for HUD (2D) drawing. */
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bool IsValidForDrawHUD() const;
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/** Draws string on canvas at specified canvas location. */
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void DrawString(const float StartX, const float StartY, const TCHAR* Text, const FLinearColor& Color, const FLinearColor& ShadowColor = FLinearColor::Black) const;
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/** Draws string on canvas centered at specified world location. */
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void DrawString(const FVector& Location, const TCHAR* Text, const FLinearColor& Color, const FLinearColor& ShadowColor = FLinearColor::Black) const;
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/**
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* Draws arrow from Start to End.
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* @param Start arrow start location
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* @param End arrow end location
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* @param Color color of the arrow
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* @param ArrowHeadLength length of the arrow head
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* @param EndLocationInset how much the ends of the line are inset
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*/
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void DrawArrow(const FVector& Start, const FVector& End, const FLinearColor& Color, const float ArrowHeadLength = 15.0f, const float EndLocationInset = 0.0f, const uint8 DepthPriorityGroup = 0, const float Thickness = 1.0f, const float DepthBias = 0.0f, bool bScreenSpace = false) const;
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/** Projects world location into canvas screen space. */
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FVector2D Project(const FVector& Location) const;
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/** @return true of the location is in view frustum. */
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bool IsLocationVisible(const FVector& Location) const;
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/** @return distance from location in world space, to the camera. */
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FVector::FReal GetDistanceToCamera(const FVector& Location) const;
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/** Pointer to the visualized Smart Object definition. */
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const USmartObjectDefinition& Definition;
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/** World associated with the drawing. */
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const UWorld& World;
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/** Actor used for previewing the Smart Object. */
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const AActor* PreviewActor = nullptr;
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/** Validation filter class used for previewing. */
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TSubclassOf<USmartObjectSlotValidationFilter> PreviewValidationFilterClass;
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/** Index of the visualized slot, or invalid of the annotation is on the object. */
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int32 SlotIndex = INDEX_NONE;
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/** Index of the visualized annotation. */
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int32 AnnotationIndex = INDEX_NONE;
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/** Transform of the owner object. */
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FTransform OwnerLocalToWorld;
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/** True, if the slot is currently selected */
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bool bIsSlotSelected = false;
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/** True, if the annotation is currently selected */
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bool bIsAnnotationSelected = false;
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/** Current view to draw to. */
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const FSceneView* View = nullptr;
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/** Primitive draw interface to draw with during DrawVisualization(). */
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FPrimitiveDrawInterface* PDI = nullptr;
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/** Canvas to render to during DrawVisualizationHUD(). */
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FCanvas* Canvas = nullptr;
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/** Pointer to valid engine small font. */
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const UFont* Font = nullptr;
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/** Color for a selection, cached from UEditorStyleSettings. */
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FLinearColor SelectedColor = FLinearColor::White;
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};
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#endif // WITH_EDITOR
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