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718 lines
19 KiB
718 lines
19 KiB
//========= Copyright © 1996-2005, Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $Workfile: $
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// $Date: $
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// $NoKeywords: $
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//=============================================================================//
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#include <stdafx.h>
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#include "UtlLinkedList.h"
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//#include "DispManager.h"
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#include "MapFace.h"
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#include "MapDisp.h"
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#include "DispSubdiv.h"
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#include "History.h"
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#include "tier0/minidump.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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//
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// Global Displacement Manager
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//
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class CEditDispMgr : public IEditDispMgr
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{
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public: // functions
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CEditDispMgr();
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virtual ~CEditDispMgr();
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EditDispHandle_t Create( void );
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void Destroy( EditDispHandle_t handle );
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CMapDisp *GetDisp( EditDispHandle_t handle );
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private: // variables
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CUtlLinkedList<CMapDisp, EditDispHandle_t> m_AllocList;
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};
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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IEditDispMgr* EditDispMgr( void )
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{
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static CEditDispMgr s_EditDispMgr;
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return &s_EditDispMgr;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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CEditDispMgr::CEditDispMgr()
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{
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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CEditDispMgr::~CEditDispMgr()
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{
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m_AllocList.Purge();
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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EditDispHandle_t CEditDispMgr::Create( void )
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{
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EditDispHandle_t handle = m_AllocList.AddToTail();
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if( handle != EDITDISPHANDLE_INVALID )
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{
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CMapDisp *pDisp = &m_AllocList.Element( handle );
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pDisp->SetEditHandle( handle );
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}
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return handle;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CEditDispMgr::Destroy( EditDispHandle_t handle )
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{
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if ( m_AllocList.IsValidIndex( handle ) )
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{
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m_AllocList.Remove( handle );
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}
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else
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{
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static bool bNoToAll = false;
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if ( !bNoToAll )
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{
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int result = AfxMessageBox(
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"CEditDispMgr::Destroy - invalid handle.\n"
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"Write minidump?\n",
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MB_YESNO );
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if ( result == IDYES )
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{
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// Generate a minidump.
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WriteMiniDump();
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}
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else
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{
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bNoToAll = true;
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}
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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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//-----------------------------------------------------------------------------
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CMapDisp *CEditDispMgr::GetDisp( EditDispHandle_t handle )
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{
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if( m_AllocList.IsValidIndex( handle ) )
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{
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return &m_AllocList.Element( handle );
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}
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return NULL;
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}
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//=============================================================================
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//
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// World Displacement Manager(s)
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//
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class CWorldEditDispMgr : public IWorldEditDispMgr
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{
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public: // functions
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// construction/deconstruction
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CWorldEditDispMgr();
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virtual ~CWorldEditDispMgr();
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// world list functionals
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int WorldCount( void );
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CMapDisp *GetFromWorld( int iWorldList );
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CMapDisp *GetFromWorld( EditDispHandle_t handle );
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void AddToWorld( EditDispHandle_t handle );
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void RemoveFromWorld( EditDispHandle_t handle );
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void FindWorldNeighbors( EditDispHandle_t handle );
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// selection list functions
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int SelectCount( void );
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void SelectClear( void );
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CMapDisp *GetFromSelect( int iSelectList );
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void AddToSelect( EditDispHandle_t handle );
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void RemoveFromSelect( EditDispHandle_t handle );
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bool IsInSelect( EditDispHandle_t handle );
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void CatmullClarkSubdivide( void );
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void PreUndo( const char *pszMarkName );
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void Undo( EditDispHandle_t handle, bool bAddNeighbors );
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void PostUndo( void );
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virtual int NumSharedPoints( CMapDisp *pDisp, CMapDisp *pNeighborDisp, int *edge1, int *edge2 );
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private: // functions
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void TestNeighbors( CMapDisp *pDisp, CMapDisp *pNeighborDisp );
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int GetCornerIndex( int index );
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int GetEdgeIndex( int *edge );
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bool IsInKeptList( CMapClass *pObject );
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private: // variables
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CUtlVector<EditDispHandle_t> m_WorldList;
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CUtlVector<EditDispHandle_t> m_SelectList;
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IEditDispSubdivMesh *m_pSubdivMesh; // pointer to the subdivision mesh
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CUtlVector<CMapClass*> m_aKeptList;
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};
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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IWorldEditDispMgr *CreateWorldEditDispMgr( void )
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{
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return new CWorldEditDispMgr;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void DestroyWorldEditDispMgr( IWorldEditDispMgr **pDispMgr )
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{
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if( *pDispMgr )
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{
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delete *pDispMgr;
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*pDispMgr = NULL;
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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CWorldEditDispMgr::CWorldEditDispMgr()
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{
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// allocate the subdivision mesh
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m_pSubdivMesh = CreateEditDispSubdivMesh();
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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CWorldEditDispMgr::~CWorldEditDispMgr()
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{
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// clear the displacement manager lists
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m_WorldList.Purge();
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m_SelectList.Purge();
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// de-allocate the subdivision mesh
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DestroyEditDispSubdivMesh( &m_pSubdivMesh );
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m_aKeptList.Purge();
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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int CWorldEditDispMgr::WorldCount( void )
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{
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return m_WorldList.Count();
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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CMapDisp *CWorldEditDispMgr::GetFromWorld( int iWorldList )
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{
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// no assert because the .Element( ) takes care of that!
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EditDispHandle_t handle = m_WorldList.Element( iWorldList );
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return EditDispMgr()->GetDisp( handle );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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CMapDisp *CWorldEditDispMgr::GetFromWorld( EditDispHandle_t handle )
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{
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int ndx = m_WorldList.Find( handle );
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if( ndx != -1 )
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{
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return EditDispMgr()->GetDisp( handle );
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}
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return NULL;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CWorldEditDispMgr::AddToWorld( EditDispHandle_t handle )
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{
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int ndx = m_WorldList.Find( handle );
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if( ndx == -1 )
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{
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ndx = m_WorldList.AddToTail();
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m_WorldList[ndx] = handle;
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}
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// Update itself when it gets added to the world.
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CMapDisp *pDisp = EditDispMgr()->GetDisp( handle );
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if ( pDisp )
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{
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pDisp->UpdateData();
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CWorldEditDispMgr::RemoveFromWorld( EditDispHandle_t handle )
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{
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int ndx = m_WorldList.Find( handle );
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if( ndx != -1 )
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{
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m_WorldList.Remove( ndx );
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// NOTE: this will be in the common code soon!!!!!!!!!
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//-----------------------------------------------------------------------------
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void CWorldEditDispMgr::FindWorldNeighbors( EditDispHandle_t handle )
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{
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// get the current displacement
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CMapDisp *pDisp = GetFromWorld( handle );
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if( !pDisp )
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return;
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//
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// compare against all of the displacements in the world
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//
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int count = WorldCount();
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for( int ndx = 0; ndx < count; ndx++ )
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{
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// get the potential neighbor surface
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CMapDisp *pNeighborDisp = GetFromWorld( ndx );
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// check for valid neighbor and don't compare against self
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if( !pNeighborDisp || ( pNeighborDisp == pDisp ) )
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continue;
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// displacements at different resolutions are not considered neighbors
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// regardless of edge connectivity
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if( pDisp->GetPower() != pNeighborDisp->GetPower() )
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continue;
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// test for neighboring edge/corner properties
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TestNeighbors( pDisp, pNeighborDisp );
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}
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}
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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void CWorldEditDispMgr::TestNeighbors( CMapDisp *pDisp, CMapDisp *pNeighborDisp )
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{
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//
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// find the number of shared points between the two displacements (corners, edges)
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// NOTE: should use only 2, but face may be right on top of one another
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//
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int edge1[4], edge2[4];
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int sharedPointCount = NumSharedPoints( pDisp, pNeighborDisp, edge1, edge2 );
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//
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// set the neighboring info
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//
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if( sharedPointCount == 1 )
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{
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int cornerIndex = GetCornerIndex( edge1[0] );
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int neighborCornerIndex = GetCornerIndex( edge2[0] );
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if ( ( cornerIndex != -1 ) && ( neighborCornerIndex != -1 ) )
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{
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CMapFace *pNeighborFace = ( CMapFace* )pNeighborDisp->GetParent();
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pDisp->AddCornerNeighbor( cornerIndex, pNeighborFace->GetDisp(), neighborCornerIndex );
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}
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}
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else if( sharedPointCount == 2 )
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{
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//
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// get edge indices
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//
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int edgeIndex = GetEdgeIndex( edge1 );
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int neighborEdgeIndex = GetEdgeIndex( edge2 );
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if ( ( edgeIndex != -1 ) && ( neighborEdgeIndex != -1 ) )
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{
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CMapFace *pNeighborFace = ( CMapFace* )pNeighborDisp->GetParent();
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pDisp->SetEdgeNeighbor( edgeIndex, pNeighborFace->GetDisp(), neighborEdgeIndex );
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}
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}
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}
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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bool ComparePoints( const Vector& v1, const Vector& v2, float tolerance )
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{
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for( int axis = 0; axis < 3; axis++ )
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{
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if( fabs( v1[axis] - v2[axis] ) > tolerance )
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return false;
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}
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return true;
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}
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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int CWorldEditDispMgr::NumSharedPoints( CMapDisp *pDisp, CMapDisp *pNeighborDisp,
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int *edge1, int *edge2 )
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{
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int ptCount = 0;
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for( int i = 0; i < 4; i++ )
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{
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int j;
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for( j = 0; j < 4; j++ )
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{
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Vector pt1, pt2;
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pDisp->GetSurfPoint( i, pt1 );
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pNeighborDisp->GetSurfPoint( j, pt2 );
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if( ComparePoints( pt1, pt2, 0.01f ) )
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break;
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}
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if( j == 4 )
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continue;
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edge1[ptCount] = i;
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edge2[ptCount] = j;
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ptCount++;
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}
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return ptCount;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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int CWorldEditDispMgr::GetCornerIndex( int index )
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{
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switch( index )
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{
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case 0: return 0;
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case 1: return 2;
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case 2: return 3;
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case 3: return 1;
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default: return -1;
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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int CWorldEditDispMgr::GetEdgeIndex( int *edge )
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{
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if( ( edge[0] == 0 && edge[1] == 1 ) || ( edge[0] == 1 && edge[1] == 0 ) )
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return 0;
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if( ( edge[0] == 1 && edge[1] == 2 ) || ( edge[0] == 2 && edge[1] == 1 ) )
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return 1;
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if( ( edge[0] == 2 && edge[1] == 3 ) || ( edge[0] == 3 && edge[1] == 2 ) )
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return 2;
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if( ( edge[0] == 3 && edge[1] == 0 ) || ( edge[0] == 0 && edge[1] == 3 ) )
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return 3;
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return -1;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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int CWorldEditDispMgr::SelectCount( void )
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{
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return m_SelectList.Count();
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CWorldEditDispMgr::SelectClear( void )
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{
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m_SelectList.RemoveAll();
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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CMapDisp *CWorldEditDispMgr::GetFromSelect( int iSelectList )
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{
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// no assert because the .Element( ) takes care of that!
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EditDispHandle_t handle = m_SelectList.Element( iSelectList );
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return EditDispMgr()->GetDisp( handle );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CWorldEditDispMgr::AddToSelect( EditDispHandle_t handle )
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{
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int ndx = m_SelectList.Find( handle );
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if( ndx == -1 )
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{
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ndx = m_SelectList.AddToTail();
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m_SelectList[ndx] = handle;
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CWorldEditDispMgr::RemoveFromSelect( EditDispHandle_t handle )
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{
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int ndx = m_SelectList.Find( handle );
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if( ndx != -1 )
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{
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m_SelectList.Remove( handle );
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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bool CWorldEditDispMgr::IsInSelect( EditDispHandle_t handle )
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{
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int ndx = m_SelectList.Find( handle );
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return ( ndx != -1 );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CWorldEditDispMgr::CatmullClarkSubdivide( void )
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{
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// change the mouse to hourglass, so level designers know something is
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// happening
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HCURSOR oldCursor = SetCursor( LoadCursor( NULL, IDC_WAIT ) );
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//
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// add all of the displacements in the selection list into the UNDO
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// system
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//
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PreUndo( "Subdivision" );
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int selectCount = m_SelectList.Count();
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for( int ndxSelect = 0; ndxSelect < selectCount; ndxSelect++ )
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{
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// get the current displacement surface
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CMapDisp *pDisp = GetFromSelect( ndxSelect );
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if( pDisp )
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{
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Undo( pDisp->GetEditHandle(), false );
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}
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}
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PostUndo();
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// initialize the subdivision mesh
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m_pSubdivMesh->Init();
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//
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// add all of the displacements in the selection list into the
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// subdivision mesh
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//
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for( int ndxSelect = 0; ndxSelect < selectCount; ndxSelect++ )
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{
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// get the current displacement surface
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CMapDisp *pDisp = GetFromSelect( ndxSelect );
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if( pDisp )
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{
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m_pSubdivMesh->AddDispTo( pDisp );
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}
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}
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// subdivision
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m_pSubdivMesh->DoCatmullClarkSubdivision();
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//
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// get back subdivided data for all displacement surfaces in the
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// selection list
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//
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for( int ndxSelect = 0; ndxSelect < selectCount; ndxSelect++ )
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{
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// get the current displacement surface
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CMapDisp *pDisp = GetFromSelect( ndxSelect );
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if( pDisp )
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{
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m_pSubdivMesh->GetDispFrom( pDisp );
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}
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}
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m_pSubdivMesh->Shutdown();
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// set the cursor back
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SetCursor( oldCursor );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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bool CWorldEditDispMgr::IsInKeptList( CMapClass *pObject )
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{
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if ( m_aKeptList.Find( pObject ) == -1 )
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
//-----------------------------------------------------------------------------
|
|
void CWorldEditDispMgr::PreUndo( const char *pszMarkName )
|
|
{
|
|
GetHistory()->MarkUndoPosition( NULL, pszMarkName );
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
//-----------------------------------------------------------------------------
|
|
void CWorldEditDispMgr::Undo( EditDispHandle_t hDisp, bool bAddNeighbors )
|
|
{
|
|
// Check the handle.
|
|
Assert( hDisp != EDITDISPHANDLE_INVALID );
|
|
if( hDisp == EDITDISPHANDLE_INVALID )
|
|
return;
|
|
|
|
// Get the map class object that contains the displacement surface.
|
|
CMapDisp *pDisp = EditDispMgr()->GetDisp( hDisp );
|
|
if ( !pDisp )
|
|
return;
|
|
|
|
CMapFace *pFace = ( CMapFace* )pDisp->GetParent();
|
|
CMapSolid *pSolid = ( CMapSolid* )pFace->GetParent();
|
|
CMapClass *pObject = ( CMapClass* )pSolid;
|
|
if ( !pObject )
|
|
return;
|
|
|
|
// Keep the map class object for undo.
|
|
if ( !IsInKeptList( pObject ) )
|
|
{
|
|
m_aKeptList.AddToTail( pObject );
|
|
GetHistory()->Keep( pObject );
|
|
}
|
|
|
|
// Keep the map class (displacement parent) neighbor objects for undo.
|
|
if ( bAddNeighbors )
|
|
{
|
|
int nNeighborOrient;
|
|
EditDispHandle_t hNeighbor;
|
|
|
|
for ( int iNeighbor = 0; iNeighbor < 4; ++iNeighbor )
|
|
{
|
|
pDisp = EditDispMgr()->GetDisp( hDisp );
|
|
if ( pDisp )
|
|
{
|
|
//
|
|
// Edge Neighbors.
|
|
//
|
|
pDisp->GetEdgeNeighbor( iNeighbor, hNeighbor, nNeighborOrient );
|
|
if( hNeighbor != EDITDISPHANDLE_INVALID )
|
|
{
|
|
CMapDisp *pNeighborDisp = EditDispMgr()->GetDisp( hNeighbor );
|
|
CMapFace *pNeighborFace = ( CMapFace* )pNeighborDisp->GetParent();
|
|
CMapSolid *pNeighborSolid = ( CMapSolid* )pNeighborFace->GetParent();
|
|
CMapClass *pNeighborObject = ( CMapClass* )pNeighborSolid;
|
|
if ( !IsInKeptList( pNeighborObject ) )
|
|
{
|
|
m_aKeptList.AddToTail( pNeighborObject );
|
|
GetHistory()->Keep( pNeighborObject );
|
|
}
|
|
}
|
|
}
|
|
|
|
pDisp = EditDispMgr()->GetDisp( hDisp );
|
|
if ( pDisp )
|
|
{
|
|
//
|
|
// Corner Neighbors.
|
|
//
|
|
int nCornerCount = pDisp->GetCornerNeighborCount( iNeighbor );
|
|
for( int iCorner = 0; iCorner < nCornerCount; ++iCorner )
|
|
{
|
|
pDisp = EditDispMgr()->GetDisp( hDisp );
|
|
if ( pDisp )
|
|
{
|
|
pDisp->GetCornerNeighbor( iNeighbor, iCorner, hNeighbor, nNeighborOrient );
|
|
|
|
CMapDisp *pNeighborDisp = EditDispMgr()->GetDisp( hNeighbor );
|
|
if ( pNeighborDisp )
|
|
{
|
|
CMapFace *pNeighborFace = ( CMapFace* )pNeighborDisp->GetParent();
|
|
CMapSolid *pNeighborSolid = ( CMapSolid* )pNeighborFace->GetParent();
|
|
CMapClass *pNeighborObject = ( CMapClass* )pNeighborSolid;
|
|
if ( !IsInKeptList( pNeighborObject ) )
|
|
{
|
|
m_aKeptList.AddToTail( pNeighborObject );
|
|
GetHistory()->Keep( pNeighborObject );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
//-----------------------------------------------------------------------------
|
|
void CWorldEditDispMgr::PostUndo( void )
|
|
{
|
|
// Clear the kept list.
|
|
m_aKeptList.RemoveAll();
|
|
}
|