471 lines
14 KiB
C++
471 lines
14 KiB
C++
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//========= Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Tool used for picking entities. This is used anywhere a field that
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// contains an entity name is found.
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//
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// Left click - single select entity
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// +Ctrl - multiselect a single entity
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//
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//=============================================================================//
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#include "stdafx.h"
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#include "resource.h"
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#include "ToolPickEntity.h"
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#include "MapViewLogical.h"
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#include "MapView3D.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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CToolPickEntity::CToolPickEntity(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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CToolPickEntity::~CToolPickEntity(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 CToolPickEntity::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_Entities.Count() > 1))
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{
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CMapEntity *pEntity = m_Entities[0].pEntity;
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DeselectAll();
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SelectEntity(pEntity);
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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 CToolPickEntity::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 CToolPickEntity::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 CToolPickEntity::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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unsigned long uEntity;
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CMapClass *pObject = pView->NearestObjectAt( vPoint, uEntity);
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if (pObject != NULL)
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{
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CMapClass *pSelObject = pObject->PrepareSelection(selectObjects);
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CMapEntity *pEntity = dynamic_cast <CMapEntity *>(pSelObject);
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if (pEntity != NULL)
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{
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//
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// We clicked on an entity.
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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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SelectEntity(pEntity);
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}
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else
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{
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// Multiselect.
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CycleSelectEntity(pEntity);
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}
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if (m_pNotifyTarget)
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{
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m_pNotifyTarget->OnNotifyPickEntity(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 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 CToolPickEntity::OnLMouseDownLogical(CMapViewLogical *pView, UINT nFlags, const Vector2D &vPoint)
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{
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bool bControl = ((nFlags & MK_CONTROL) != 0);
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HitInfo_t hitData;
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int nHits = pView->ObjectsAt( vPoint, &hitData, 1 );
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if ( ( nHits > 0 ) && hitData.pObject )
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{
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CMapClass *pSelObject = hitData.pObject->PrepareSelection( selectObjects );
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CMapEntity *pEntity = dynamic_cast <CMapEntity *>( pSelObject );
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if (pEntity != NULL)
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{
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//
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// We clicked on an entity.
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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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SelectEntity(pEntity);
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}
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else
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{
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// Multiselect.
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CycleSelectEntity(pEntity);
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}
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if (m_pNotifyTarget)
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{
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m_pNotifyTarget->OnNotifyPickEntity(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 CToolPickEntity::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 CToolPickEntity::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 CToolPickEntity::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 CToolPickEntity::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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bool CToolPickEntity::OnMouseMoveLogical(CMapViewLogical *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 CToolPickEntity::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 : pEntity -
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//-----------------------------------------------------------------------------
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void CToolPickEntity::CycleSelectEntity(CMapEntity *pEntity)
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{
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int nIndex = FindEntity(pEntity);
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if (nIndex != -1)
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{
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//
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// The entity is in our list, update its selection state.
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//
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if (m_Entities[nIndex].eState == EntityState_Partial)
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{
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DeselectEntity(nIndex);
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}
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else if (m_Entities[nIndex].eState == EntityState_Select)
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{
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if (m_Entities[nIndex].eOriginalState == EntityState_Partial)
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{
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m_Entities[nIndex].eState = EntityState_Partial;
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//pEntity->SetSelectionState(SELECT_MULTI_PARTIAL);
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}
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else
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{
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DeselectEntity(nIndex);
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}
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}
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else if (m_Entities[nIndex].eState == EntityState_None)
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{
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m_Entities[nIndex].eState = EntityState_Select;
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//pEntity->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 entity is not in our list, add it.
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//
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AddToList(pEntity, EntityState_Select);
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//pEntity->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 entities for the picker.
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// Input : EntityListFull -
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// EntityListPartial -
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//-----------------------------------------------------------------------------
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void CToolPickEntity::SetSelectedEntities(CMapEntityList &EntityListFull, CMapEntityList &EntityListPartial)
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{
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m_Entities.RemoveAll();
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for (int i = 0; i < EntityListFull.Count(); i++)
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{
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CMapEntity *pEntity = EntityListFull.Element(i);
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AddToList(pEntity, EntityState_Select);
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pEntity->SetSelectionState(SELECT_NORMAL);
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}
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for (int i = 0; i < EntityListPartial.Count(); i++)
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{
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CMapEntity *pEntity = EntityListPartial.Element(i);
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AddToList(pEntity, EntityState_Partial);
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pEntity->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 : pEntity -
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//-----------------------------------------------------------------------------
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int CToolPickEntity::FindEntity(CMapEntity *pEntity)
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{
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for (int i = 0; i < m_Entities.Count(); i++)
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{
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if (m_Entities[i].pEntity == pEntity)
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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 CToolPickEntity::DeselectAll(void)
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{
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for (int i = 0; i < m_Entities.Count(); i++)
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{
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m_Entities[i].pEntity->SetSelectionState(SELECT_NONE);
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}
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m_Entities.RemoveAll();
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}
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//-----------------------------------------------------------------------------
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// Purpose: Selects the entity unconditionally.
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// Input : pEntity - entity to select.
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//-----------------------------------------------------------------------------
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void CToolPickEntity::SelectEntity(CMapEntity *pEntity)
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{
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int nIndex = FindEntity(pEntity);
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if (nIndex != -1)
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{
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//
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// The entity is in our list, update its selection state.
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//
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m_Entities[nIndex].eState = EntityState_Select;
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pEntity->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 entity is not in our list, add it.
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//
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AddToList(pEntity, EntityState_Select);
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pEntity->SetSelectionState(SELECT_NORMAL);
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Deselects the given entity.
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//-----------------------------------------------------------------------------
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void CToolPickEntity::DeselectEntity(CMapEntity *pEntity)
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{
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int nIndex = FindEntity(pEntity);
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if (nIndex != -1)
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{
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|||
|
|
DeselectEntity(nIndex);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
//-----------------------------------------------------------------------------
|
|||
|
|
// Purpose: Removes the entity at the given index from the selection set.
|
|||
|
|
// Input : nIndex - Index of the entity in the selection list.
|
|||
|
|
//-----------------------------------------------------------------------------
|
|||
|
|
void CToolPickEntity::DeselectEntity(int nIndex)
|
|||
|
|
{
|
|||
|
|
Assert(m_Entities.IsValidIndex(nIndex));
|
|||
|
|
|
|||
|
|
if (m_Entities.IsValidIndex(nIndex))
|
|||
|
|
{
|
|||
|
|
if (m_Entities[nIndex].eOriginalState != EntityState_Partial)
|
|||
|
|
{
|
|||
|
|
m_Entities[nIndex].pEntity->SetSelectionState(SELECT_NONE);
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// Remove the entity from our list.
|
|||
|
|
//
|
|||
|
|
RemoveFromList(nIndex);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
//
|
|||
|
|
// Just set the state to deselected so we can cycle back to partial selection.
|
|||
|
|
//
|
|||
|
|
m_Entities[nIndex].pEntity->SetSelectionState(SELECT_NONE);
|
|||
|
|
m_Entities[nIndex].eState = EntityState_None;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
//-----------------------------------------------------------------------------
|
|||
|
|
// Purpose:
|
|||
|
|
// Input : pEntity -
|
|||
|
|
// eState -
|
|||
|
|
//-----------------------------------------------------------------------------
|
|||
|
|
void CToolPickEntity::AddToList(CMapEntity *pEntity, EntityState_t eState)
|
|||
|
|
{
|
|||
|
|
int nIndex = m_Entities.AddToTail();
|
|||
|
|
m_Entities[nIndex].pEntity = pEntity;
|
|||
|
|
m_Entities[nIndex].eState = eState;
|
|||
|
|
m_Entities[nIndex].eOriginalState = eState;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
//-----------------------------------------------------------------------------
|
|||
|
|
// Purpose:
|
|||
|
|
// Input : nIndex -
|
|||
|
|
//-----------------------------------------------------------------------------
|
|||
|
|
void CToolPickEntity::RemoveFromList(int nIndex)
|
|||
|
|
{
|
|||
|
|
Assert(m_Entities.IsValidIndex(nIndex));
|
|||
|
|
|
|||
|
|
if (m_Entities.IsValidIndex(nIndex))
|
|||
|
|
{
|
|||
|
|
m_Entities.FastRemove(nIndex);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
//-----------------------------------------------------------------------------
|
|||
|
|
// Purpose: Returns lists of fully selected and partially selected entities.
|
|||
|
|
//-----------------------------------------------------------------------------
|
|||
|
|
void CToolPickEntity::GetSelectedEntities(CMapEntityList &EntityListFull, CMapEntityList &EntityListPartial)
|
|||
|
|
{
|
|||
|
|
EntityListFull.RemoveAll();
|
|||
|
|
EntityListPartial.RemoveAll();
|
|||
|
|
|
|||
|
|
for (int i = 0; i < m_Entities.Count(); i++)
|
|||
|
|
{
|
|||
|
|
if (m_Entities[i].eState == EntityState_Select)
|
|||
|
|
{
|
|||
|
|
EntityListFull.AddToTail(m_Entities[i].pEntity);
|
|||
|
|
}
|
|||
|
|
else if (m_Entities[i].eState == EntityState_Partial)
|
|||
|
|
{
|
|||
|
|
EntityListPartial.AddToTail(m_Entities[i].pEntity);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|