118 lines
3.3 KiB
C++
118 lines
3.3 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Tool used for picking brush faces.
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//
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// $NoKeywords: $
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//=============================================================================//
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#ifndef TOOLPICKFACE_H
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#define TOOLPICKFACE_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "MapFace.h"
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#include "ToolInterface.h"
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class CMapView3D;
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class CToolPickFace;
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//
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// Selection states for entries in our list of selected faces.
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//
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enum FaceState_t
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{
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FaceState_Select = 0, //
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FaceState_Partial, // Used for multiselect; the face is in at least one of the face lists being edited.
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FaceState_None, // Used for multiselect; to deselect partially selected faces. Otherwise they are removed from the list.
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};
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//
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// An entry in our list of selected faces.
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//
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struct SelectedFace_t
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{
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CMapFace *pFace; // Pointer to the face.
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FaceState_t eState; // The current selection state of this face.
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FaceState_t eOriginalState; // The original selection state of this face.
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};
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//
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// Interface for notification by the face picking tool. Inherit from this if you
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// are a client of the face picker.
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//
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class IPickFaceTarget
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{
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public:
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virtual void OnNotifyPickFace(CToolPickFace *pTool) = 0;
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};
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class CToolPickFace : public CBaseTool
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{
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public:
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//
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// Constructor/Destructor
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//
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CToolPickFace();
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~CToolPickFace();
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//
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// CBaseTool virtual implementations
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//
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virtual void OnDeactivate();
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virtual ToolID_t GetToolID(void) { return TOOL_PICK_FACE; }
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virtual bool OnLMouseUp3D(CMapView3D *pView, UINT nFlags, const Vector2D &vPoint);
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virtual bool OnLMouseDown3D(CMapView3D *pView, UINT nFlags, const Vector2D &vPoint);
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virtual bool OnLMouseDblClk3D(CMapView3D *pView, UINT nFlags, const Vector2D &vPoint);
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virtual bool OnRMouseUp3D(CMapView3D *pView, UINT nFlags, const Vector2D &vPoint);
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virtual bool OnRMouseDown3D(CMapView3D *pView, UINT nFlags, const Vector2D &vPoint);
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virtual bool OnMouseMove3D(CMapView3D *pView, UINT nFlags, const Vector2D &vPoint);
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//
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// Functions specific to this tool.
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//
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inline void Attach(IPickFaceTarget *pTarget);
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void AllowMultiSelect(bool bAllow);
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void GetSelectedFaces(CMapFaceList &FaceListFull, CMapFaceList &FaceListPartial);
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void SetSelectedFaces(CMapFaceList &FaceListFull, CMapFaceList &FaceListPartial);
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protected:
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void CycleSelectFace(CMapFace *pFace);
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void DeselectAll(void);
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void DeselectFace(int nIndex);
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void DeselectFace(CMapFace *pFace);
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int FindFace(CMapFace *pFace);
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void SelectFace(CMapFace *pFace);
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void AddToList(CMapFace *pFace, FaceState_t eState);
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void RemoveFromList(int nIndex);
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void SetEyedropperCursor(void);
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IPickFaceTarget *m_pNotifyTarget; // Object to notify when selection events occur.
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bool m_bAllowMultiSelect; // If false, only one face can be selected at a time.
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CUtlVector <SelectedFace_t> m_Faces; // Picked faces and their selection state (partial or full).
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};
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//-----------------------------------------------------------------------------
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// Purpose: Attaches the given notification target to this tool. That object
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// will be used for all future notifications and updates by the tool.
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//-----------------------------------------------------------------------------
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void CToolPickFace::Attach(IPickFaceTarget *pNotifyTarget)
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{
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m_pNotifyTarget = pNotifyTarget;
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}
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#endif // TOOLPICKFACE_H
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