134 lines
2.7 KiB
C++
134 lines
2.7 KiB
C++
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///////////////////////////////////////////////////////////////////////////////
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// Name: bombs1.cpp
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// Purpose: Implementation of the class BombsGame
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// Author: P. Foggia 1996
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// Modified by: Wlodzimierz Skiba (ABX) since 2003
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// Created: 1996
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// Copyright: (c) 1996 P. Foggia
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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# include "wx/wx.h"
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#endif
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#include "game.h"
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#include <stdlib.h>
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#include <limits.h>
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#define PROB 0.2
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#ifndef RAND_MAX
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# define RAND_MAX INT_MAX
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#endif
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BombsGame::~BombsGame()
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{
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if (m_field)
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{
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delete[] m_field;
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}
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}
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// Initialize the play field. Returns false on failure
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bool BombsGame::Init(int aWidth, int aHeight, bool easyCorner)
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{
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m_gridFocusX = m_gridFocusY = -1;
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int x, y;
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int xx, yy;
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if (m_field)
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{
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delete[] m_field;
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}
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m_field = new short[aWidth*aHeight];
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if (!m_field)
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{
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m_width = m_height = 0;
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return false;
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}
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m_width = aWidth;
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m_height = aHeight;
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for(x=0; x<m_width; x++)
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{
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for(y=0; y<m_height; y++)
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{
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m_field[x+y*m_width] = ((float)rand()/RAND_MAX <PROB)
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? BG_HIDDEN | BG_BOMB
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: BG_HIDDEN;
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}
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}
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/* Force (0,0) not to have a bomb for those that don't want to have
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to guess on the first move. Better would be to for the MS rule that
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whatever is picked first isn't a bomb.
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*/
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if(easyCorner)
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{
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m_field[0] = BG_HIDDEN;
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}
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m_numBombCells = 0;
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for(x=0; x<m_width; x++)
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for(y=0; y<m_height; y++)
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if (m_field[x+y*m_width] & BG_BOMB)
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{
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m_numBombCells++;
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for(xx=x-1; xx<=x+1; xx++)
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if (xx>=0 && xx<m_width)
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for(yy=y-1; yy<=y+1; yy++)
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if (yy>=0 && yy<m_height && (yy!=y || xx!=x))
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m_field[xx+yy*m_width]++;
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}
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m_numRemainingCells = m_height*m_width-m_numBombCells;
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m_numMarkedCells = 0;
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return true;
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}
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void BombsGame::Mark(int x, int y)
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{
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m_field[x+y*m_width] ^= BG_MARKED;
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if (IsMarked(x, y))
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m_numMarkedCells++;
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else
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m_numMarkedCells--;
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}
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void BombsGame::Unhide(int x, int y, bool b_selected)
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{
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if (!IsHidden(x,y))
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{
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return;
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}
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if (b_selected)
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m_field[x+y*m_width] |= BG_SELECTED;
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m_field[x+y*m_width] &= ~BG_HIDDEN;
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if (!IsBomb(x,y))
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{
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m_numRemainingCells--;
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}
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}
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void BombsGame::Explode(int x, int y)
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{
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m_field[x+y*m_width] |= BG_EXPLODED;
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}
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