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