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Commit	Line	Data
	1	///////////////////////////////////////////////////////////////////////////////
	2	// Name: bombs1.cpp
	3	// Purpose: Implementation of the class BombsGame
	4	// Author: P. Foggia 1996
	5	// Modified by: Wlodzimierz Skiba (ABX) 2003
	6	// Created: 1996
	7	// RCS-ID: $Id$
	8	// Copyright: (c) 1996 P. Foggia
	9	// Licence: wxWindows licence
	10	///////////////////////////////////////////////////////////////////////////////
	11
	12	#ifdef __GNUG__
	13	# pragma implementation
	14	#endif
	15
	16	#include "wx/wxprec.h"
	17
	18	#ifdef __BORLANDC__
	19	#pragma hdrstop
	20	#endif
	21
	22	#ifndef WX_PRECOMP
	23	# include "wx/wx.h"
	24	#endif
	25
	26	#include "game.h"
	27	#include <stdlib.h>
	28	#include <limits.h>
	29
	30	#define PROB 0.2
	31
	32	#ifndef RAND_MAX
	33	# define RAND_MAX INT_MAX
	34	#endif
	35
	36
	37	BombsGame::~BombsGame()
	38	{
	39	if (m_field)
	40	{
	41	delete[] m_field;
	42	}
	43	}
	44
	45	// Initialize the play field. Returns false on failure
	46	bool BombsGame::Init(int aWidth, int aHeight)
	47	{
	48	m_gridFocusX = m_gridFocusY = -1;
	49
	50	int x, y;
	51	int xx, yy;
	52
	53	if (m_field)
	54	{
	55	delete[] m_field;
	56	}
	57
	58	m_field = new short[aWidth*aHeight];
	59	if (!m_field)
	60	{
	61	m_width = m_height = 0;
	62	return false;
	63	}
	64
	65	m_width = aWidth;
	66	m_height = aHeight;
	67
	68	for(x=0; x<m_width; x++)
	69	{
	70	for(y=0; y<m_height; y++)
	71	{
	72	m_field[x+y*m_width] = ((float)rand()/RAND_MAX <PROB)
	73	? BG_HIDDEN \| BG_BOMB
	74	: BG_HIDDEN;
	75	}
	76	}
	77
	78	m_numBombCells = 0;
	79	for(x=0; x<m_width; x++)
	80	for(y=0; y<m_height; y++)
	81	if (m_field[x+y*m_width] & BG_BOMB)
	82	{
	83	m_numBombCells++;
	84
	85	for(xx=x-1; xx<=x+1; xx++)
	86	if (xx>=0 && xx<m_width)
	87	for(yy=y-1; yy<=y+1; yy++)
	88	if (yy>=0 && yy<m_height && (yy!=y \|\| xx!=x))
	89	m_field[xx+yy*m_width]++;
	90	}
	91
	92	m_numRemainingCells = m_height*m_width-m_numBombCells;
	93
	94	return true;
	95	}
	96
	97	void BombsGame::Mark(int x, int y)
	98	{
	99	m_field[x+y*m_width] ^= BG_MARKED;
	100	}
	101
	102	void BombsGame::Unhide(int x, int y)
	103	{
	104	if (!IsHidden(x,y))
	105	{
	106	return;
	107	}
	108
	109	m_field[x+y*m_width] &= ~BG_HIDDEN;
	110
	111	if (!IsBomb(x,y))
	112	{
	113	m_numRemainingCells--;
	114	}
	115	}
	116
	117
	118	void BombsGame::Explode(int x, int y)
	119	{
	120	m_field[x+y*m_width] \|= BG_EXPLODED;
	121	}