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///////////////////////////////////////////////////////////////////////////////
// Name: bombs1.cpp
// Purpose: Implementation of the class BombsGame
// Author: P. Foggia 1996
// Modified by:
// Created: 1996
// RCS-ID: $Id: game.cpp,v 1.1 1998/12/31 10:53:59 JS Exp $
// Copyright: (c) 1996 P. Foggia
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#pragma implementation
#endif
#include "wx/wxprec.h"
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif //precompiled headers
#include "game.h"
#include <stdlib.h>
#include <limits.h>
#define PROB 0.2
#ifndef RAND_MAX
#define RAND_MAX INT_MAX
#endif
/*-------------------- BombsGame::~BombsGame() ---------------------*/
/*--------------------------------------------------------------------*/
BombsGame::~BombsGame()
{ if (field)
free(field);
}
/*------------------ int BombsGame::Init(width,height) -------------------*/
/* Initialize the play field. Returns 0 on failure */
/*--------------------------------------------------------------------------*/
int BombsGame::Init(int aWidth, int aHeight)
{ int x, y;
int xx, yy;
if (field)
free(field);
field=(short *)malloc(aWidth*aHeight*sizeof(short));
if (!field)
{ width=height=0;
return 0;
}
width=aWidth;
height=aHeight;
for(x=0; x<width; x++)
for(y=0; y<height; y++)
{ field[x+y*width] = ((float)rand()/RAND_MAX <PROB)?
BG_HIDDEN | BG_BOMB :
BG_HIDDEN;
}
bombs=0;
for(x=0; x<width; x++)
for(y=0; y<height; y++)
if (field[x+y*width] & BG_BOMB)
{ bombs++;
for(xx=x-1; xx<=x+1; xx++)
if (xx>=0 && xx<width)
for(yy=y-1; yy<=y+1; yy++)
if (yy>=0 && yy<height && (yy!=y || xx!=x))
field[xx+yy*width]++;
}
normal_cells=height*width-bombs;
return 1;
}
/*---------------------- BombsGame::Mark(x,y) -------------------------*/
/* Marks/unmarks a cell */
/*-----------------------------------------------------------------------*/
void BombsGame::Mark(int x, int y)
{
field[x+y*width] ^= BG_MARKED;
}
/*------------------- BombsGame::Unhide(x,y) ------------------------*/
/* Unhides a cell */
/*---------------------------------------------------------------------*/
void BombsGame::Unhide(int x, int y)
{ if (!IsHidden(x,y))
return;
field[x+y*width] &= ~BG_HIDDEN;
if (!IsBomb(x,y))
normal_cells--;
}
/*------------------- BombsGame::Explode(x,y) ------------------------*/
/* Makes a cell exploded */
/*----------------------------------------------------------------------*/
void BombsGame::Explode(int x, int y)
{
field[x+y*width] |= BG_EXPLODED;
}
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