stk-code_catmod/src/race/highscores.cpp
2015-03-30 11:42:50 +11:00

228 lines
8.2 KiB
C++

//
// SuperTuxKart - a fun racing game with go-kart
// Copyright (C) 2006-2015 Joerg Henrichs
//
// 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 3
// of the License, 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.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#include "race/highscores.hpp"
#include "io/utf_writer.hpp"
#include "io/xml_node.hpp"
#include "race/race_manager.hpp"
#include <stdexcept>
#include <fstream>
// -----------------------------------------------------------------------------
Highscores::Highscores(const HighscoreType &highscore_type,
int num_karts,
const RaceManager::Difficulty &difficulty,
const std::string &track_name,
const int number_of_laps,
const bool reverse)
{
m_track = track_name;
m_highscore_type = highscore_type;
m_number_of_karts = num_karts;
m_difficulty = difficulty;
m_number_of_laps = number_of_laps;
m_reverse = reverse;
for(int i=0; i<HIGHSCORE_LEN; i++)
{
m_name[i] = "";
m_kart_name[i] = "";
m_time[i] = -9.9f;
}
}
// -----------------------------------------------------------------------------
Highscores::Highscores(const XMLNode &node)
{
m_track = "";
m_highscore_type = "HST_UNDEFINED";
m_number_of_karts = -1;
m_difficulty = -1;
m_number_of_laps = -1;
m_reverse = false;
for(int i=0; i<HIGHSCORE_LEN; i++)
{
m_name[i] = "";
m_kart_name[i] = "";
m_time[i] = -9.9f;
}
readEntry(node);
} // Highscores
// -----------------------------------------------------------------------------
void Highscores::readEntry(const XMLNode &node)
{
node.get("track-name", &m_track );
node.get("number-karts", &m_number_of_karts );
std::string hst="HST_UNDEFINED";
node.get("hscore-type", &hst );
m_highscore_type = (HighscoreType)hst;
node.get("difficulty", &m_difficulty );
node.get("number-of-laps", &m_number_of_laps );
node.get("reverse", &m_reverse );
for(unsigned int i=0; i<node.getNumNodes(); i++)
{
const XMLNode *entry = node.getNode(i);
entry->get("time", &m_time[i] );
entry->get("name", &m_name[i] );
entry->get("kartname", &m_kart_name[i] );
// a non-empty entry needs a non-empty kart name.
if (!(m_time[i] <= 0.0f || m_kart_name[i].size() > 0))
{
throw std::logic_error("Invalid highscore entry : empty kart name");
}
if (!(m_time[i] <= 0.0f || m_name[i].size() > 0))
{
throw std::logic_error("Invalid highscore entry : empty kart name");
}
}
} // readEntry
// -----------------------------------------------------------------------------
/** Writes the highscores in this entry to the writer. It will only write
* anything if there is actually a highscore recored (i.e. time >=0). Empty
* entries are created e.g. when changing the number of laps in the GUI,
* resulting in empty entries here.
* \param writer The file stream to write the data to.
*/
void Highscores::writeEntry(UTFWriter &writer)
{
// Only
bool one_is_set = false;
for(unsigned int i=0; i<HIGHSCORE_LEN; i++)
one_is_set |= m_time[i]>=0;
if(!one_is_set) return;
writer << L" <highscore track-name =\"" << m_track.c_str() << "\"\n";
writer << L" number-karts =\"" << m_number_of_karts << "\"\n";
writer << L" difficulty =\"" << m_difficulty << "\"\n";
writer << L" hscore-type =\"" << m_highscore_type.c_str() << "\"\n";
writer << L" number-of-laps=\"" << m_number_of_laps << "\"\n";
writer << L" reverse =\"" << m_reverse << "\">\n";
for(int i=0; i<HIGHSCORE_LEN; i++)
{
if (m_time[i] > 0.0f)
{
assert(m_kart_name[i].size() > 0);
writer << L" <entry time =\"" << m_time[i] << L"\"\n";
writer << L" name =\"" << m_name[i] << L"\"\n";
writer << L" kartname=\"" << m_kart_name[i].c_str()
<< L"\"/>\n";
}
} // for i
writer << L" </highscore>\n";
} // writeEntry
// -----------------------------------------------------------------------------
int Highscores::matches(const HighscoreType &highscore_type,
int num_karts, const RaceManager::Difficulty &difficulty,
const std::string &track, const int number_of_laps,
const bool reverse)
{
return (m_highscore_type == highscore_type &&
m_track == track &&
m_difficulty == difficulty &&
m_number_of_laps == number_of_laps &&
m_number_of_karts == num_karts &&
m_reverse == reverse );
} // matches
// -----------------------------------------------------------------------------
/** Inserts the data into the highscore list.
* If the new entry is fast enough to
* be in the highscore list, the new position (1-HIGHSCORE_LEN) is returned,
* otherwise a 0.
*/
int Highscores::addData(const std::string& kart_name,
const core::stringw& name, const float time)
{
int position=-1;
for(int i=0; i<HIGHSCORE_LEN; i++)
{
// Check for unused entry. If so, just insert the new record
if(m_time[i]<0.0f)
{
position=i;
break;
}
// Check if new entry is faster than than in slot 'i', if so
// move times etc and insert new entry
if(time < m_time[i])
{
for(int j=HIGHSCORE_LEN-2;j>=i;j--)
{
m_name[j+1] = m_name[j];
m_kart_name[j+1] = m_kart_name[j];
m_time[j+1] = m_time[j];
}
position = i;
break;
}
}//next score slot
if(position>=0)
{
m_track = race_manager->getTrackName();
m_number_of_karts = race_manager->getNumberOfKarts();
m_difficulty = race_manager->getDifficulty();
m_number_of_laps = race_manager->getNumLaps();
m_reverse = race_manager->getReverseTrack();
m_name[position] = name;
m_time[position] = time;
m_kart_name[position] = kart_name;
}
return position+1;
} // addData
// -----------------------------------------------------------------------------
int Highscores::getNumberEntries() const
{
for(int i=HIGHSCORE_LEN-1; i>=0; i--)
{
if(m_time[i]>0) return i+1;
}
return 0;
} // getNumberEntries
// -----------------------------------------------------------------------------
void Highscores::getEntry(int number, std::string &kart_name,
core::stringw &name, float *const time) const
{
if(number<0 || number>getNumberEntries())
{
Log::warn("Highscores", "Accessing undefined highscore entry:");
Log::warn("Highscores", "Number %d, but %d entries are defined.", number,
getNumberEntries());
Log::warn("Highscores", "This error can be ignored, but no highscores are available.");
return;
}
kart_name = m_kart_name[number];
name = m_name[number];
*time = m_time[number];
} // getEntry
// -----------------------------------------------------------------------------