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c0ba0d5235
- New UInteractiveToolCameraFocusAPI UInterface defines functions a Tool can implement to publish its ability to provide a focus-box and focus-point - ModelingMode uses this API to customize behavior. Box-focus (f hotkey) will now always focus on Tool-provided focus-box if available. Point-focus (c hotkey) will focus on nearer of world-hit and Tool focus-point. - Default implementations for PrimitiveComponentToolTarget in SingleSelectionTool and MultiSelectionTool - Custom focus-box implementations for PolyEdit-derived and TriSelect-derived tools, to focus on active selection if available - Custom focus-point implementations for MeshSurfacePointTool #rnx #jira none [CL 16246252 by Ryan Schmidt in ue5-main branch]
68 lines
2.0 KiB
C++
68 lines
2.0 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "UObject/Interface.h"
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#include "InteractiveToolQueryInterfaces.generated.h"
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//
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// Below are various interfaces that a UInteractiveTool can implement to allow
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// higher-level code (eg like an EdMode) to query into the Tool.
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//
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// UInterface for IInteractiveToolCameraFocusAPI
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UINTERFACE(MinimalAPI)
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class UInteractiveToolCameraFocusAPI : public UInterface
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{
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GENERATED_BODY()
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};
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/**
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* IInteractiveToolCameraFocusAPI provides two functions that can be
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* used to extract "Focus" / "Region of Interest" information about an
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* active Tool:
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*
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* GetWorldSpaceFocusBox() - provides a bounding box for an "active region" if one is known.
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* An example of using the FocusBox would be to center/zoom the camera in a 3D viewport
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* onto this box when the user hits a hotkey (eg 'f' in the Editor).
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* Should default to the entire active object, if no subregion is available.
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*
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* GetWorldSpaceFocusPoint() - provides a "Focus Point" at the cursor ray if one is known.
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* This can be used to (eg) center the camera at the focus point.
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*
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* The above functions should not be called unless the corresponding SupportsX() function returns true.
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*/
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class IInteractiveToolCameraFocusAPI
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{
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GENERATED_BODY()
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public:
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/**
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* @return true if the implementation can provide a Focus Box
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*/
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virtual bool SupportsWorldSpaceFocusBox() { return false; }
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/**
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* @return the current Focus Box
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*/
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virtual FBox GetWorldSpaceFocusBox() { return FBox(); }
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/**
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* @return true if the implementation can provide a Focus Point
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*/
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virtual bool SupportsWorldSpaceFocusPoint() { return false; }
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/**
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* @param WorldRay 3D Ray that should be used to find the focus point, generally ray under cursor
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* @param PointOut computed Focus Point
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* @return true if a Focus Point was found, can return false if (eg) the ray missed the target objects
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*/
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virtual bool GetWorldSpaceFocusPoint(const FRay& WorldRay, FVector& PointOut) { return false; }
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};
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