Team Fortress 2 Source Code as on 22/4/2020
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose: Tool used for picking brush faces.
//
// Left click - single select face
// +Ctrl - multiselect a single face
// +Shift - all faces on the brush
//
// $NoKeywords: $
//=============================================================================//
#include "stdafx.h"
#include "MapFace.h"
#include "resource.h"
#include "ToolPickFace.h"
#include "MapSolid.h"
#include "MapView3D.h"
#include "mapdoc.h"
// memdbgon must be the last include file in a .cpp file!!!
#include <tier0/memdbgon.h>
//-----------------------------------------------------------------------------
// Purpose: Constructor. Inits data members.
//-----------------------------------------------------------------------------
CToolPickFace::CToolPickFace(void)
{
m_pNotifyTarget = NULL;
m_bAllowMultiSelect = false;
}
//-----------------------------------------------------------------------------
// Purpose: Destructor.
//-----------------------------------------------------------------------------
CToolPickFace::~CToolPickFace(void)
{
}
//-----------------------------------------------------------------------------
// Purpose: Enables or disables multiselect for this tool.
//-----------------------------------------------------------------------------
void CToolPickFace::AllowMultiSelect(bool bAllow)
{
m_bAllowMultiSelect = bAllow;
//
// Shouldn't ever happen, but you never know.
//
if ((!bAllow) && (m_Faces.Count() > 1))
{
CMapFace *pFace = m_Faces[0].pFace;
DeselectAll();
SelectFace(pFace);
}
}
//-----------------------------------------------------------------------------
// Purpose: Called when the tool is deactivated.
// Input : eNewTool - The ID of the tool that is being activated.
//-----------------------------------------------------------------------------
void CToolPickFace::OnDeactivate()
{
DeselectAll();
}
//-----------------------------------------------------------------------------
// Purpose: Handles the left mouse button up message in the 3D view.
// Input : pView - The view that the event occurred in.
// nFlags - Flags per the Windows mouse message.
// point - Point in client coordinates where the event occurred.
// Output : Returns true if the message was handled by the tool, false if not.
//-----------------------------------------------------------------------------
bool CToolPickFace::OnLMouseUp3D(CMapView3D *pView, UINT nFlags, const Vector2D &vPoint)
{
return true;
}
//-----------------------------------------------------------------------------
// Purpose: Handles the left mouse button up message in the 3D view.
// Input : pView - The view that the event occurred in.
// nFlags - Flags per the Windows mouse message.
// point - Point in client coordinates where the event occurred.
// Output : Returns true if the message was handled by the tool, false if not.
//-----------------------------------------------------------------------------
bool CToolPickFace::OnLMouseDown3D(CMapView3D *pView, UINT nFlags, const Vector2D &vPoint)
{
bool bControl = ((nFlags & MK_CONTROL) != 0);
bool bShift = ((nFlags & MK_SHIFT) != 0);
if (!m_bAllowMultiSelect)
{
// Ignore shift click for single selection mode.
bShift = false;
}
unsigned long uFace;
CMapClass *pObject = pView->NearestObjectAt( vPoint, uFace);
if (pObject != NULL)
{
CMapSolid *pSolid = dynamic_cast <CMapSolid *>(pObject);
if (pSolid != NULL)
{
//
// We clicked on a solid.
//
if (!bShift)
{
//
// Get the face that we clicked on.
//
CMapFace *pFace = pSolid->GetFace(uFace);
Assert(pFace != NULL);
if (pFace != NULL)
{
if ((!m_bAllowMultiSelect) || (!bControl))
{
// Single select.
DeselectAll();
SelectFace(pFace);
}
else
{
// Multiselect.
CycleSelectFace(pFace);
}
}
}
else
{
//
// Holding down shift. Select or deselect all the faces on the solid.
// Only deselect if all the faces in the solid were selected.
//
bool bAllSelected = true;
int nFaceCount = pSolid->GetFaceCount();
for (int nFace = 0; nFace < nFaceCount; nFace++)
{
CMapFace *pFace = pSolid->GetFace(nFace);
int nIndex = FindFace(pFace);
if ((nIndex == -1) || (m_Faces[nIndex].eState != FaceState_Select))
{
bAllSelected = false;
break;
}
}
if (!bControl)
{
DeselectAll();
}
nFaceCount = pSolid->GetFaceCount();
for (int nFace = 0; nFace < nFaceCount; nFace++)
{
CMapFace *pFace = pSolid->GetFace(nFace);
if (bAllSelected)
{
DeselectFace(pFace);
}
else
{
SelectFace(pFace);
}
}
}
if (m_pNotifyTarget)
{
m_pNotifyTarget->OnNotifyPickFace(this);
}
}
}
return true;
}
//-----------------------------------------------------------------------------
// Purpose: Handles the left mouse button double click message in the 3D view.
// Input : pView - The view that the event occurred in.
// nFlags - Flags per the Windows mouse message.
// point - Point in client coordinates where the event occurred.
// Output : Returns true if the message was handled by the tool, false if not.
//-----------------------------------------------------------------------------
bool CToolPickFace::OnLMouseDblClk3D(CMapView3D *pView, UINT nFlags, const Vector2D &vPoint)
{
return true;
}
//-----------------------------------------------------------------------------
// Purpose: Handles the right mouse button up message in the 3D view.
// Input : pView - The view that the event occurred in.
// nFlags - Flags per the Windows mouse message.
// point - Point in client coordinates where the event occurred.
// Output : Returns true if the message was handled by the tool, false if not.
//-----------------------------------------------------------------------------
bool CToolPickFace::OnRMouseUp3D(CMapView3D *pView, UINT nFlags, const Vector2D &vPoint)
{
return true;
}
//-----------------------------------------------------------------------------
// Purpose: Handles the mouse button up message in the 3D view.
// Input : pView - The view that the event occurred in.
// nFlags - Flags per the Windows mouse message.
// point - Point in client coordinates where the event occurred.
// Output : Returns true if the message was handled by the tool, false if not.
//-----------------------------------------------------------------------------
bool CToolPickFace::OnRMouseDown3D(CMapView3D *pView, UINT nFlags, const Vector2D &vPoint)
{
return true;
}
//-----------------------------------------------------------------------------
// Purpose: Handles the mouse move message in the 3D view.
// Input : pView - The view that the event occurred in.
// nFlags - Flags per the Windows mouse message.
// point - Point in client coordinates where the event occurred.
// Output : Returns true if the message was handled by the tool, false if not.
//-----------------------------------------------------------------------------
bool CToolPickFace::OnMouseMove3D(CMapView3D *pView, UINT nFlags, const Vector2D &vPoint)
{
SetEyedropperCursor();
return true;
}
//-----------------------------------------------------------------------------
// Purpose: Sets the cursor to the eyedropper cursor.
//-----------------------------------------------------------------------------
void CToolPickFace::SetEyedropperCursor(void)
{
static HCURSOR hcurEyedropper = NULL;
if (!hcurEyedropper)
{
hcurEyedropper = LoadCursor(AfxGetInstanceHandle(), MAKEINTRESOURCE(IDC_EYEDROPPER));
}
SetCursor(hcurEyedropper);
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : pFace -
//-----------------------------------------------------------------------------
void CToolPickFace::CycleSelectFace(CMapFace *pFace)
{
int nIndex = FindFace(pFace);
if (nIndex != -1)
{
//
// The face is in our list, update its selection state.
//
if (m_Faces[nIndex].eState == FaceState_Partial)
{
DeselectFace(nIndex);
}
else if (m_Faces[nIndex].eState == FaceState_Select)
{
if (m_Faces[nIndex].eOriginalState == FaceState_Partial)
{
m_Faces[nIndex].eState = FaceState_Partial;
pFace->SetSelectionState(SELECT_MULTI_PARTIAL);
}
else
{
DeselectFace(nIndex);
}
}
else if (m_Faces[nIndex].eState == FaceState_None)
{
m_Faces[nIndex].eState = FaceState_Select;
pFace->SetSelectionState(SELECT_NORMAL);
}
}
else
{
//
// The face is not in our list, add it.
//
AddToList(pFace, FaceState_Select);
pFace->SetSelectionState(SELECT_NORMAL);
}
}
//-----------------------------------------------------------------------------
// Purpose: Sets the fully selected and partially selected faces for the picker.
// Input : FaceListFull -
// FaceListPartial -
//-----------------------------------------------------------------------------
void CToolPickFace::SetSelectedFaces(CMapFaceList &FaceListFull, CMapFaceList &FaceListPartial)
{
m_Faces.RemoveAll();
for (int i = 0; i < FaceListFull.Count(); i++)
{
CMapFace *pFace = FaceListFull.Element(i);
AddToList(pFace, FaceState_Select);
pFace->SetSelectionState(SELECT_NORMAL);
}
for (int i = 0; i < FaceListPartial.Count(); i++)
{
CMapFace *pFace = FaceListPartial.Element(i);
AddToList(pFace, FaceState_Partial);
pFace->SetSelectionState(SELECT_MULTI_PARTIAL);
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : pFace -
//-----------------------------------------------------------------------------
int CToolPickFace::FindFace(CMapFace *pFace)
{
for (int i = 0; i < m_Faces.Count(); i++)
{
if (m_Faces[i].pFace == pFace)
{
return i;
}
}
return -1;
}
//-----------------------------------------------------------------------------
// Purpose: Clears the selection set.
//-----------------------------------------------------------------------------
void CToolPickFace::DeselectAll(void)
{
for (int i = 0; i < m_Faces.Count(); i++)
{
m_Faces[i].pFace->SetSelectionState(SELECT_NONE);
}
m_Faces.RemoveAll();
m_pDocument->UpdateAllViews( MAPVIEW_UPDATE_ONLY_3D );
}
//-----------------------------------------------------------------------------
// Purpose: Selects the face unconditionally.
// Input : pFace - face to select.
//-----------------------------------------------------------------------------
void CToolPickFace::SelectFace(CMapFace *pFace)
{
int nIndex = FindFace(pFace);
if (nIndex != -1)
{
//
// The face is in our list, update its selection state.
//
m_Faces[nIndex].eState = FaceState_Select;
pFace->SetSelectionState(SELECT_NORMAL);
}
else
{
//
// The face is not in our list, add it.
//
AddToList(pFace, FaceState_Select);
pFace->SetSelectionState(SELECT_NORMAL);
}
}
//-----------------------------------------------------------------------------
// Purpose: Deselects the given face.
//-----------------------------------------------------------------------------
void CToolPickFace::DeselectFace(CMapFace *pFace)
{
int nIndex = FindFace(pFace);
if (nIndex != -1)
{
DeselectFace(nIndex);
}
}
//-----------------------------------------------------------------------------
// Purpose: Removes the face at the given index from the selection set.
// Input : nIndex - Index of the face in the selection list.
//-----------------------------------------------------------------------------
void CToolPickFace::DeselectFace(int nIndex)
{
Assert(m_Faces.IsValidIndex(nIndex));
if (m_Faces.IsValidIndex(nIndex))
{
if (m_Faces[nIndex].eOriginalState != FaceState_Partial)
{
m_Faces[nIndex].pFace->SetSelectionState(SELECT_NONE);
//
// Remove the face from our list.
//
RemoveFromList(nIndex);
}
else
{
//
// Just set the state to deselected so we can cycle back to partial selection.
//
m_Faces[nIndex].pFace->SetSelectionState(SELECT_NONE);
m_Faces[nIndex].eState = FaceState_None;
}
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : pFace -
// eState -
//-----------------------------------------------------------------------------
void CToolPickFace::AddToList(CMapFace *pFace, FaceState_t eState)
{
int nIndex = m_Faces.AddToTail();
m_Faces[nIndex].pFace = pFace;
m_Faces[nIndex].eState = eState;
m_Faces[nIndex].eOriginalState = eState;
m_pDocument->UpdateAllViews( MAPVIEW_UPDATE_ONLY_3D );
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : nIndex -
//-----------------------------------------------------------------------------
void CToolPickFace::RemoveFromList(int nIndex)
{
Assert(m_Faces.IsValidIndex(nIndex));
if (m_Faces.IsValidIndex(nIndex))
{
m_Faces.FastRemove(nIndex);
m_pDocument->UpdateAllViews( MAPVIEW_UPDATE_ONLY_3D );
}
}
//-----------------------------------------------------------------------------
// Purpose: Returns lists of fully selected and partially selected faces.
//-----------------------------------------------------------------------------
void CToolPickFace::GetSelectedFaces(CMapFaceList &FaceListFull, CMapFaceList &FaceListPartial)
{
FaceListFull.RemoveAll();
FaceListPartial.RemoveAll();
for (int i = 0; i < m_Faces.Count(); i++)
{
if (m_Faces[i].eState == FaceState_Select)
{
FaceListFull.AddToTail(m_Faces[i].pFace);
}
else if (m_Faces[i].eState == FaceState_Partial)
{
FaceListPartial.AddToTail(m_Faces[i].pFace);
}
}
}