106 lines
3.0 KiB
C++
106 lines
3.0 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:
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// Created: 1996
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// RCS-ID: $Id$
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// Copyright: (c) 1996 P. Foggia
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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#pragma implementation
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#endif
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#include "wx/wxprec.h"
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#ifndef WX_PRECOMP
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#include "wx/wx.h"
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#endif //precompiled headers
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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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BombsGame::~BombsGame()
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{ if (field)
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free(field);
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}
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/*------------------ int BombsGame::Init(width,height) -------------------*/
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/* Initialize the play field. Returns 0 on failure */
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/*--------------------------------------------------------------------------*/
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int BombsGame::Init(int aWidth, int aHeight)
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{ int x, y;
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int xx, yy;
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if (field)
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free(field);
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field=(short *)malloc(aWidth*aHeight*sizeof(short));
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if (!field)
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{ width=height=0;
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return 0;
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}
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width=aWidth;
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height=aHeight;
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for(x=0; x<width; x++)
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for(y=0; y<height; y++)
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{ field[x+y*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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bombs=0;
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for(x=0; x<width; x++)
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for(y=0; y<height; y++)
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if (field[x+y*width] & BG_BOMB)
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{ bombs++;
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for(xx=x-1; xx<=x+1; xx++)
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if (xx>=0 && xx<width)
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for(yy=y-1; yy<=y+1; yy++)
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if (yy>=0 && yy<height && (yy!=y || xx!=x))
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field[xx+yy*width]++;
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}
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normal_cells=height*width-bombs;
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return 1;
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}
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/*---------------------- BombsGame::Mark(x,y) -------------------------*/
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/* Marks/unmarks a cell */
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/*-----------------------------------------------------------------------*/
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void BombsGame::Mark(int x, int y)
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{
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field[x+y*width] ^= BG_MARKED;
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}
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/*------------------- BombsGame::Unhide(x,y) ------------------------*/
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/* Unhides a cell */
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/*---------------------------------------------------------------------*/
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void BombsGame::Unhide(int x, int y)
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{ if (!IsHidden(x,y))
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return;
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field[x+y*width] &= ~BG_HIDDEN;
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if (!IsBomb(x,y))
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normal_cells--;
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}
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/*------------------- BombsGame::Explode(x,y) ------------------------*/
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/* Makes a cell exploded */
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/*----------------------------------------------------------------------*/
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void BombsGame::Explode(int x, int y)
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{
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field[x+y*width] |= BG_EXPLODED;
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}
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