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87 lines
3.1 KiB
C++
87 lines
3.1 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project. For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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// Description : Deep Selection Header
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#ifndef CRYINCLUDE_EDITOR_EDITMODE_DEEPSELECTION_H
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#define CRYINCLUDE_EDITOR_EDITMODE_DEEPSELECTION_H
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#pragma once
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class CBaseObject;
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//! Deep Selection
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//! Additional output information of HitContext on using "deep selection mode".
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//! At the deep selection mode, it supports second selection pass for easy
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//! selection on crowded area with two different method.
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//! One is to show pop menu of candidate objects list. Another is the cyclic
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//! selection on pick clicking.
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class CDeepSelection
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: public _i_reference_target_t
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{
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public:
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//! Deep Selection Mode Definition
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enum EDeepSelectionMode
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{
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DSM_NONE = 0, // Not using deep selection.
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DSM_POP = 1, // Deep selection mode with pop context menu.
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DSM_CYCLE = 2 // Deep selection mode with cyclic selection on each clinking same point.
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};
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//! Subclass for container of the selected object with hit distance.
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struct RayHitObject
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{
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RayHitObject(float dist, CBaseObject* pObj)
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: distance(dist)
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, object(pObj)
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{
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}
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float distance;
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CBaseObject* object;
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};
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//! Constructor
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CDeepSelection();
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virtual ~CDeepSelection();
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void Reset(bool bResetLastPick = false);
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void AddObject(float distance, CBaseObject* pObj);
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//! Check if clicking point is same position with last position,
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//! to decide whether to continue cycling mode.
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bool OnCycling (const QPoint& pt);
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//! All objects in list are excluded for hitting test except one, current selection.
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void ExcludeHitTest(int except);
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void SetMode(EDeepSelectionMode mode);
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inline EDeepSelectionMode GetMode() const { return m_Mode; }
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inline EDeepSelectionMode GetPreviousMode() const { return m_previousMode; }
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//! Collect object in the deep selection range. The distance from the minimum
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//! distance is less than deep selection range.
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int CollectCandidate(float fMinDistance, float fRange);
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//! Return the candidate object in index position, then it is to be current
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//! selection position.
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CBaseObject* GetCandidateObject(int index);
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//! Return the current selection position that is update in "GetCandidateObject"
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//! function call.
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inline int GetCurrentSelectPos() const { return m_CurrentSelectedPos; }
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//! Return the number of objects in the deep selection range.
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inline int GetCandidateObjectCount() const { return m_CandidateObjectCount; }
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private:
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//! Current mode
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EDeepSelectionMode m_Mode;
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EDeepSelectionMode m_previousMode;
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//! Last picking point to check whether cyclic selection continue.
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QPoint m_LastPickPoint;
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//! List of the selected objects with ray hitting
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std::vector<RayHitObject> m_RayHitObjects;
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int m_CandidateObjectCount;
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int m_CurrentSelectedPos;
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};
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#endif // CRYINCLUDE_EDITOR_EDITMODE_DEEPSELECTION_H
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