484 lines
13 KiB
C++
484 lines
13 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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// Left click - single select face
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// +Ctrl - multiselect a single face
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// +Shift - all faces on the brush
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//
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// $NoKeywords: $
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//=============================================================================//
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#include "stdafx.h"
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#include "MapFace.h"
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#include "resource.h"
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#include "ToolPickFace.h"
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#include "MapSolid.h"
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#include "MapView3D.h"
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#include "mapdoc.h"
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// memdbgon must be the last include file in a .cpp file!!!
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#include <tier0/memdbgon.h>
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//-----------------------------------------------------------------------------
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// Purpose: Constructor. Inits data members.
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//-----------------------------------------------------------------------------
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CToolPickFace::CToolPickFace(void)
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{
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m_pNotifyTarget = NULL;
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m_bAllowMultiSelect = false;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Destructor.
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//-----------------------------------------------------------------------------
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CToolPickFace::~CToolPickFace(void)
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{
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}
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//-----------------------------------------------------------------------------
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// Purpose: Enables or disables multiselect for this tool.
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//-----------------------------------------------------------------------------
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void CToolPickFace::AllowMultiSelect(bool bAllow)
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{
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m_bAllowMultiSelect = bAllow;
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//
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// Shouldn't ever happen, but you never know.
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//
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if ((!bAllow) && (m_Faces.Count() > 1))
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{
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CMapFace *pFace = m_Faces[0].pFace;
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DeselectAll();
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SelectFace(pFace);
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Called when the tool is deactivated.
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// Input : eNewTool - The ID of the tool that is being activated.
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//-----------------------------------------------------------------------------
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void CToolPickFace::OnDeactivate()
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{
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DeselectAll();
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}
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//-----------------------------------------------------------------------------
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// Purpose: Handles the left mouse button up message in the 3D view.
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// Input : pView - The view that the event occurred in.
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// nFlags - Flags per the Windows mouse message.
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// point - Point in client coordinates where the event occurred.
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// Output : Returns true if the message was handled by the tool, false if not.
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//-----------------------------------------------------------------------------
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bool CToolPickFace::OnLMouseUp3D(CMapView3D *pView, UINT nFlags, const Vector2D &vPoint)
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{
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return true;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Handles the left mouse button up message in the 3D view.
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// Input : pView - The view that the event occurred in.
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// nFlags - Flags per the Windows mouse message.
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// point - Point in client coordinates where the event occurred.
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// Output : Returns true if the message was handled by the tool, false if not.
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//-----------------------------------------------------------------------------
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bool CToolPickFace::OnLMouseDown3D(CMapView3D *pView, UINT nFlags, const Vector2D &vPoint)
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{
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bool bControl = ((nFlags & MK_CONTROL) != 0);
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bool bShift = ((nFlags & MK_SHIFT) != 0);
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if (!m_bAllowMultiSelect)
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{
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// Ignore shift click for single selection mode.
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bShift = false;
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}
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unsigned long uFace;
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CMapClass *pObject = pView->NearestObjectAt( vPoint, uFace);
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if (pObject != NULL)
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{
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CMapSolid *pSolid = dynamic_cast <CMapSolid *>(pObject);
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if (pSolid != NULL)
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{
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//
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// We clicked on a solid.
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//
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if (!bShift)
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{
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//
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// Get the face that we clicked on.
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//
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CMapFace *pFace = pSolid->GetFace(uFace);
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Assert(pFace != NULL);
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if (pFace != NULL)
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{
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if ((!m_bAllowMultiSelect) || (!bControl))
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{
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// Single select.
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DeselectAll();
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SelectFace(pFace);
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}
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else
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{
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// Multiselect.
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CycleSelectFace(pFace);
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}
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}
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}
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else
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{
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//
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// Holding down shift. Select or deselect all the faces on the solid.
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// Only deselect if all the faces in the solid were selected.
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//
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bool bAllSelected = true;
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int nFaceCount = pSolid->GetFaceCount();
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for (int nFace = 0; nFace < nFaceCount; nFace++)
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{
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CMapFace *pFace = pSolid->GetFace(nFace);
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int nIndex = FindFace(pFace);
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if ((nIndex == -1) || (m_Faces[nIndex].eState != FaceState_Select))
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{
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bAllSelected = false;
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break;
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}
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}
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if (!bControl)
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{
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DeselectAll();
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}
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nFaceCount = pSolid->GetFaceCount();
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for (int nFace = 0; nFace < nFaceCount; nFace++)
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{
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CMapFace *pFace = pSolid->GetFace(nFace);
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if (bAllSelected)
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{
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DeselectFace(pFace);
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}
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else
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{
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SelectFace(pFace);
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}
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}
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}
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if (m_pNotifyTarget)
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{
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m_pNotifyTarget->OnNotifyPickFace(this);
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}
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}
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}
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return true;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Handles the left mouse button double click message in the 3D view.
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// Input : pView - The view that the event occurred in.
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// nFlags - Flags per the Windows mouse message.
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// point - Point in client coordinates where the event occurred.
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// Output : Returns true if the message was handled by the tool, false if not.
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//-----------------------------------------------------------------------------
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bool CToolPickFace::OnLMouseDblClk3D(CMapView3D *pView, UINT nFlags, const Vector2D &vPoint)
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{
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return true;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Handles the right mouse button up message in the 3D view.
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// Input : pView - The view that the event occurred in.
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// nFlags - Flags per the Windows mouse message.
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// point - Point in client coordinates where the event occurred.
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// Output : Returns true if the message was handled by the tool, false if not.
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//-----------------------------------------------------------------------------
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bool CToolPickFace::OnRMouseUp3D(CMapView3D *pView, UINT nFlags, const Vector2D &vPoint)
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{
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return true;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Handles the mouse button up message in the 3D view.
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// Input : pView - The view that the event occurred in.
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// nFlags - Flags per the Windows mouse message.
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// point - Point in client coordinates where the event occurred.
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// Output : Returns true if the message was handled by the tool, false if not.
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//-----------------------------------------------------------------------------
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bool CToolPickFace::OnRMouseDown3D(CMapView3D *pView, UINT nFlags, const Vector2D &vPoint)
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{
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return true;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Handles the mouse move message in the 3D view.
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// Input : pView - The view that the event occurred in.
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// nFlags - Flags per the Windows mouse message.
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// point - Point in client coordinates where the event occurred.
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// Output : Returns true if the message was handled by the tool, false if not.
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//-----------------------------------------------------------------------------
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bool CToolPickFace::OnMouseMove3D(CMapView3D *pView, UINT nFlags, const Vector2D &vPoint)
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{
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SetEyedropperCursor();
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return true;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Sets the cursor to the eyedropper cursor.
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//-----------------------------------------------------------------------------
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void CToolPickFace::SetEyedropperCursor(void)
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{
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static HCURSOR hcurEyedropper = NULL;
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if (!hcurEyedropper)
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{
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hcurEyedropper = LoadCursor(AfxGetInstanceHandle(), MAKEINTRESOURCE(IDC_EYEDROPPER));
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}
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SetCursor(hcurEyedropper);
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : pFace -
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//-----------------------------------------------------------------------------
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void CToolPickFace::CycleSelectFace(CMapFace *pFace)
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{
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int nIndex = FindFace(pFace);
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if (nIndex != -1)
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{
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//
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// The face is in our list, update its selection state.
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//
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if (m_Faces[nIndex].eState == FaceState_Partial)
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{
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DeselectFace(nIndex);
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}
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else if (m_Faces[nIndex].eState == FaceState_Select)
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{
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if (m_Faces[nIndex].eOriginalState == FaceState_Partial)
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{
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m_Faces[nIndex].eState = FaceState_Partial;
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pFace->SetSelectionState(SELECT_MULTI_PARTIAL);
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}
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else
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{
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DeselectFace(nIndex);
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}
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}
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else if (m_Faces[nIndex].eState == FaceState_None)
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{
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m_Faces[nIndex].eState = FaceState_Select;
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pFace->SetSelectionState(SELECT_NORMAL);
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}
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}
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else
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{
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//
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// The face is not in our list, add it.
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//
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AddToList(pFace, FaceState_Select);
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pFace->SetSelectionState(SELECT_NORMAL);
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Sets the fully selected and partially selected faces for the picker.
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// Input : FaceListFull -
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// FaceListPartial -
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//-----------------------------------------------------------------------------
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void CToolPickFace::SetSelectedFaces(CMapFaceList &FaceListFull, CMapFaceList &FaceListPartial)
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{
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m_Faces.RemoveAll();
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for (int i = 0; i < FaceListFull.Count(); i++)
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{
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CMapFace *pFace = FaceListFull.Element(i);
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AddToList(pFace, FaceState_Select);
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pFace->SetSelectionState(SELECT_NORMAL);
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}
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for (int i = 0; i < FaceListPartial.Count(); i++)
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{
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CMapFace *pFace = FaceListPartial.Element(i);
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AddToList(pFace, FaceState_Partial);
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pFace->SetSelectionState(SELECT_MULTI_PARTIAL);
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : pFace -
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//-----------------------------------------------------------------------------
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int CToolPickFace::FindFace(CMapFace *pFace)
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{
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for (int i = 0; i < m_Faces.Count(); i++)
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{
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if (m_Faces[i].pFace == pFace)
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{
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return i;
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}
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}
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return -1;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Clears the selection set.
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//-----------------------------------------------------------------------------
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void CToolPickFace::DeselectAll(void)
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{
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for (int i = 0; i < m_Faces.Count(); i++)
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{
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m_Faces[i].pFace->SetSelectionState(SELECT_NONE);
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}
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m_Faces.RemoveAll();
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m_pDocument->UpdateAllViews( MAPVIEW_UPDATE_ONLY_3D );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Selects the face unconditionally.
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// Input : pFace - face to select.
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//-----------------------------------------------------------------------------
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void CToolPickFace::SelectFace(CMapFace *pFace)
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{
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int nIndex = FindFace(pFace);
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if (nIndex != -1)
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{
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//
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// The face is in our list, update its selection state.
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//
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m_Faces[nIndex].eState = FaceState_Select;
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pFace->SetSelectionState(SELECT_NORMAL);
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}
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else
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{
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//
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// The face is not in our list, add it.
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//
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AddToList(pFace, FaceState_Select);
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pFace->SetSelectionState(SELECT_NORMAL);
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Deselects the given face.
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//-----------------------------------------------------------------------------
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void CToolPickFace::DeselectFace(CMapFace *pFace)
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{
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int nIndex = FindFace(pFace);
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if (nIndex != -1)
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{
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DeselectFace(nIndex);
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Removes the face at the given index from the selection set.
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// Input : nIndex - Index of the face in the selection list.
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//-----------------------------------------------------------------------------
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void CToolPickFace::DeselectFace(int nIndex)
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{
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Assert(m_Faces.IsValidIndex(nIndex));
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if (m_Faces.IsValidIndex(nIndex))
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{
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if (m_Faces[nIndex].eOriginalState != FaceState_Partial)
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{
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m_Faces[nIndex].pFace->SetSelectionState(SELECT_NONE);
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//
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// Remove the face from our list.
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//
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RemoveFromList(nIndex);
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}
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else
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{
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//
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// Just set the state to deselected so we can cycle back to partial selection.
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//
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m_Faces[nIndex].pFace->SetSelectionState(SELECT_NONE);
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m_Faces[nIndex].eState = FaceState_None;
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}
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : pFace -
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// eState -
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//-----------------------------------------------------------------------------
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void CToolPickFace::AddToList(CMapFace *pFace, FaceState_t eState)
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{
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int nIndex = m_Faces.AddToTail();
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m_Faces[nIndex].pFace = pFace;
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m_Faces[nIndex].eState = eState;
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m_Faces[nIndex].eOriginalState = eState;
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m_pDocument->UpdateAllViews( MAPVIEW_UPDATE_ONLY_3D );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : nIndex -
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//-----------------------------------------------------------------------------
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void CToolPickFace::RemoveFromList(int nIndex)
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{
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Assert(m_Faces.IsValidIndex(nIndex));
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if (m_Faces.IsValidIndex(nIndex))
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{
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m_Faces.FastRemove(nIndex);
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m_pDocument->UpdateAllViews( MAPVIEW_UPDATE_ONLY_3D );
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Returns lists of fully selected and partially selected faces.
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//-----------------------------------------------------------------------------
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void CToolPickFace::GetSelectedFaces(CMapFaceList &FaceListFull, CMapFaceList &FaceListPartial)
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{
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FaceListFull.RemoveAll();
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FaceListPartial.RemoveAll();
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for (int i = 0; i < m_Faces.Count(); i++)
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{
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if (m_Faces[i].eState == FaceState_Select)
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{
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FaceListFull.AddToTail(m_Faces[i].pFace);
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}
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else if (m_Faces[i].eState == FaceState_Partial)
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{
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FaceListPartial.AddToTail(m_Faces[i].pFace);
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}
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}
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}
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