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/////////////////////////////////////////////////////////////////////////////
// Name: scorefil.cpp
// Purpose: Forty Thieves patience game
// Author: Chris Breeze
// Modified by:
// Created: 21/07/97
// Copyright: (c) 1993-1998 Chris Breeze
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#include "wx/textfile.h"
#include "wx/config.h"
#include "wx/fileconf.h"
#include "scorefil.h"
ScoreFile::ScoreFile(const wxString& appName)
{
m_config = new wxConfig(appName, wxT("wxWidgets"), appName, wxEmptyString,
wxCONFIG_USE_LOCAL_FILE); // only local
}
ScoreFile::~ScoreFile()
{
delete m_config;
}
void ScoreFile::GetPlayerList( wxArrayString &list )
{
m_config->SetPath(wxT("/Players"));
int length = m_config->GetNumberOfGroups();
if (length <= 0) return;
wxString player;
long index;
if (m_config->GetFirstGroup(player, index))
{
list.Add( player );
while (m_config->GetNextGroup(player, index))
{
list.Add( player );
}
}
}
// Calculate an encrypted check number to prevent tampering with
// score file
long ScoreFile::CalcCheck(const wxString& name, int p1, int p2, int p3)
{
long check = 0;
size_t i, max = name.length();
for(i = 0; i < max; ++i )
{
check = (check << 1) ^ (long)name[i];
check = ((check >> 23) ^ check) & 0xFFFFFF;
}
check = (check << 1) ^ (long)p1;
check = ((check >> 23) ^ check) & 0xFFFFFF;
check = (check << 1) ^ (long)p2;
check = ((check >> 23) ^ check) & 0xFFFFFF;
check = (check << 1) ^ (long)p3;
check = ((check >> 23) ^ check) & 0xFFFFFF;
return check;
}
wxString ScoreFile::GetPreviousPlayer() const
{
wxString result;
m_config->SetPath(wxT("/General"));
m_config->Read(wxT("LastPlayer"), &result);
return result;
}
void ScoreFile::ReadPlayersScore(
const wxString& player,
int& wins,
int& games,
int& score)
{
long check = 0;
long myWins = 0, myGames = 0, myScore = 0;
games = wins = score = 0;
m_config->SetPath(wxT("/Players"));
m_config->SetPath(player);
if (m_config->Read(wxT("Score"), &myScore, 0L) &&
m_config->Read(wxT("Games"), &myGames, 0L) &&
m_config->Read(wxT("Wins"), &myWins, 0L) &&
m_config->Read(wxT("Check"), &check, 0L))
{
if (check != CalcCheck(player, myGames, myWins, myScore))
{
wxMessageBox(wxT("Score file corrupted"), wxT("Warning"),
wxOK | wxICON_EXCLAMATION);
}
else
{
games = myGames;
wins = myWins;
score = myScore;
}
}
WritePlayersScore(player, wins, games, score);
}
void ScoreFile::WritePlayersScore(const wxString& player, int wins, int games, int score)
{
if (!player.empty())
{
m_config->SetPath(wxT("/General"));
m_config->Write(wxT("LastPlayer"), wxString(player)); // Without wxString tmp, thinks it's bool in VC++
m_config->SetPath(wxT("/Players"));
m_config->SetPath(player);
m_config->Write(wxT("Score"), (long)score);
m_config->Write(wxT("Games"), (long)games);
m_config->Write(wxT("Wins"), (long)wins);
m_config->Write(wxT("Check"), CalcCheck(player, games, wins, score));
}
}
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