www.pudn.com > Sterren_ASe_Explorer.rar > ase_search.cpp

/* Copyright (C) William van der Sterren, 2002.  
 * All rights reserved worldwide. 
 * 
 * This software is provided "as is" without express or implied 
 * warranties. You may freely copy and compile this source into 
 * applications you distribute provided that the copyright text 
 * below is included in the resulting source code, for example: 
 * "Portions Copyright (C) William van der Sterren, 2002" 
 */ 
 
/* Copyright (C) James Matthews, 2001.  
 * All rights reserved worldwide. 
 * 
 * This software is provided "as is" without express or implied 
 * warranties. You may freely copy and compile this source into 
 * applications you distribute provided that the copyright text 
 * below is included in the resulting source code, for example: 
 * "Portions Copyright (C) James Matthews, 2001" 
 */ 
 
/***************************************************************************   
 *                                                                             
 *     purpose: search-space lookup table and overlay 
*/ 
 
 
#include "stdafx.h" 
#include "ase_search.h" 
 
#include "ase_terrain.h" 
 
#include  
 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
 
COLORREF ASE_SearchBoard::m_SearchBrushes[] = 
  { 
    RGB(255,220,220),  //!< open, clear terrain 
    RGB(255,180,190),  //!<  
    RGB(255,120,120),  //!<  
    RGB(000,000,000),  //!< not used? 
 
    RGB(220,220,255),  //!< closed, clear terrain 
    RGB(180,180,255),  //!<  
    RGB(120,120,255),  //!<  
    RGB(000,000,000),  //!< not used? 
  }; 
 
 
ASE_SearchBoard::ASE_SearchBoard(unsigned int            aNumberOfRows,  
                                 unsigned int            aNumberOfColumns, 
                                 const ASE_TerrainBoard* theTerrain 
                                ) 
  : ASE_Board(aNumberOfRows, aNumberOfColumns, 3, m_SearchBrushes), 
    m_kTerrainBoard(theTerrain), 
    m_kInOpenList(1), 
    m_kInClosedList(2) 
  { 
    assert( m_kTerrainBoard ); 
    assert( GetNumberOfColumns() == m_kTerrainBoard->GetNumberOfColumns() ); 
    assert( GetNumberOfRows()    == m_kTerrainBoard->GetNumberOfRows() ); 
  } 
 
 
ASE_SearchBoard::~ASE_SearchBoard() 
  { 
  } 
 
 
void ASE_SearchBoard::MarkAsOpen(int x, int y) 
  { 
    SetCellValue(x, y, m_kInOpenList); 
  } 
 
 
void ASE_SearchBoard::MarkAsClosed(int x, int y) 
  { 
    SetCellValue(x, y, m_kInClosedList); 
  } 
 
 
COLORREF ASE_SearchBoard::GetCellColorForOffset(unsigned int anIndex, CellValue anOffset) const 
  { 
    assert( !IsEmptyCell(anIndex) ); 
 
    unsigned int idx; 
    idx  = GetCellValue(anIndex); 
    idx  = 4 * (idx - 1); 
    idx += static_cast(anOffset); 
 
    assert( idx < sizeof(m_SearchBrushes) ); 
 
    return m_SearchBrushes[idx]; 
  }