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/****************************************************************
**
** Attal : Lords of Doom
**
** lordExperience.cpp
** Manage the levels of experience
**
** Version : $Id: lordExperience.cpp,v 1.3 2004/08/08 17:14:27 audoux Exp $
**
** Author(s) : Pascal Audoux
**
** Date : 06/05/2004
**
** Licence :
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2, or (at your option)
** any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
****************************************************************/
#include "lordExperience.h"
// generic include files
// include files for QT
#include <qtextstream.h>
// application specific include files
#include "libCommon/dataTheme.h"
extern QString DATA_PATH;
extern DataTheme DataTheme;
LordExperience::LordExperience()
{
}
bool LordExperience::save()
{
QString filename = DATA_PATH + "experience.dat";
QFile file( filename );
uint lastLevel = 0;
if (! file.open( IO_WriteOnly ) ) {
logEE( "Could not open file %s for writng\n", filename.latin1() );
return false;
}
QTextStream ts( &file );
ts << "<?xml version=\"1.0\" encoding=\"UTF-8\"?><!DOCTYPE experience>" << endl;
ts << "<experience>" << endl;
uint nbLevels = _levels.count();
for( uint i = 0; i < nbLevels; i++ ) {
ts << "\t<level>";
ts << ( *( _levels.at( i ) ) ) - lastLevel;
ts << "</level>" << endl;
lastLevel = *( _levels.at( i ) );
}
ts << "</experience>" << endl;
file.close();
return true;
}
bool LordExperience::init()
{
clear();
LordExperienceHandler handler( this );
QString filename = DATA_PATH + "experience.dat";
QFile file( filename );
QXmlInputSource source( file );
QXmlSimpleReader reader;
reader.setContentHandler( &handler );
reader.setErrorHandler( &handler );
bool ok = reader.parse( source );
file.close();
if ( !ok ) {
logEE( "Parse Error (%s) : %s", filename.latin1(), handler.errorProtocol().latin1() );
return false;
}
return true;
}
void LordExperience::clear()
{
_levels.clear();
}
uint LordExperience::getLevelNumber()
{
return _levels.count() + 1;
}
uint LordExperience::getLevel( uint num )
{
uint ret = 0;
if( num-1 < _levels.count() ) {
ret = *( _levels.at( num-1 ) );
}
return ret;
}
void LordExperience::appendLevel( uint value )
{
_levels.append( value );
}
void LordExperience::appendLevelByDiff( uint diff )
{
uint value = 0;
if( _levels.count() > 0 ) {
value = *( _levels.at( _levels.count() - 1 ) );
}
_levels.append( diff + value );
}
uint LordExperience::computeLevelForExperience( uint experience )
{
uint ret;
uint i;
uint nbLevels = _levels.count();
ret = nbLevels;
if( experience < ( * ( _levels.at( 0 ) ) ) ) {
ret = 0;
} else {
for( i = 1; i < nbLevels; i++ ) {
if( ( experience < ( * ( _levels.at( i ) ) ) ) && ( experience >= ( * ( _levels.at( i-1 ) ) ) ) ) {
ret = i;
break;
}
}
}
return ret;
}
//
// ----- LordExperienceHandler -----
//
LordExperienceHandler::LordExperienceHandler( LordExperience * list )
{
_list = list;
}
bool LordExperienceHandler::startDocument()
{
_errorProt = "";
_list->clear();
_state = StateInit;
return true;
}
bool LordExperienceHandler::startElement( const QString &, const QString &, const QString& qName, const QXmlAttributes & )
{
if( qName == "experience" && _state == StateInit ) {
_state = StateDocument;
} else if ( qName == "level" && _state == StateDocument ) {
_state = StateLevel;
} else {
// error
return false;
}
return true;
}
bool LordExperienceHandler::endElement( const QString &, const QString &, const QString & )
{
switch ( _state ) {
case StateLevel:
_state = StateDocument;
break;
default:
// do nothing
break;
}
return true;
}
bool LordExperienceHandler::characters( const QString& ch )
{
QString ch_simplified = ch.simplifyWhiteSpace();
if( ch_simplified.isEmpty() ) {
return true;
}
switch( _state ) {
case StateLevel:
_list->appendLevelByDiff( ch_simplified.toUInt() );
break;
default:
return false;
}
return true;
}
bool LordExperienceHandler::fatalError( const QXmlParseException& exception )
{
_errorProt += QString( "fatal parsing error: %1 in line %2, column %3\n" )
.arg( exception.message() )
.arg( exception.lineNumber() )
.arg( exception.columnNumber() );
return QXmlDefaultHandler::fatalError( exception );
}
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