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/*
Bastet - tetris clone with embedded bastard block chooser
(c) 2005-2009 Federico Poloni <f.polonithirtyseven@sns.it> minus 37
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, see <http://www.gnu.org/licenses/>.
*/
#include "Config.hpp"
#include <boost/program_options.hpp>
#include <boost/foreach.hpp>
#include <boost/format.hpp>
#include <boost/algorithm/string.hpp>
#include <boost/assign.hpp>
#include <curses.h>
#include <cstdlib>
#include <fstream>
//DBG
#include <iostream>
using namespace std;
using namespace boost;
namespace po=boost::program_options;
namespace Bastet{
const size_t HowManyHighScores=10;
const std::string RcFileName="/.bastetrc";
const std::string LocalHighScoresFileName="/.bastetscores";
const std::string GlobalHighScoresFileName="/var/games/bastet.scores2";
bool HighScores::Qualifies(int score){
stable_sort(begin(),end());
return begin()->Score < score;
}
int HighScores::InsertHighScore(int score, const std::string &scorer){
if(!Qualifies(score)) return -1;
HighScore hs={score,scorer};
insert(begin(),hs); //we insert at the beginning to resolve ties
stable_sort(begin(),end()); //the dumbest way to do it
erase(begin());
iterator it=find(begin(),end(),hs); //the dumbest way to find the position
return end()-it+1;
}
Config config; //singleton instance
std::string Config::GetConfigFileName() const{
return string(getenv("HOME"))+RcFileName;
}
class CannotOpenFile{};
std::string Config::GetHighScoresFileName() const{
static std::string result; //gets cached
if(!result.empty()) return result;
//tries the global one first and sees if it's writable
fstream ofs(GlobalHighScoresFileName.c_str());
if(!ofs.fail()){
result=GlobalHighScoresFileName;
}
ofs.close();
//falls back to the user-specific file
string s=string(getenv("HOME"))+LocalHighScoresFileName;
if(result.empty()){
cerr<<boost::str(boost::format("bastet: using a user-specific high scores file: %1%\nas the global high scores file %2% is not writable\n") % s % GlobalHighScoresFileName);
fstream ofs2(s.c_str());
if(!ofs2.fail()){
result=s;
}
ofs2.close();
}
//tries to create the local high scores
if(result.empty()){
ofstream ofs3(s.c_str());
if(!ofs3.fail()){
cerr<<boost::str(boost::format("bastet: creating a new user-specific high scores file %1%\n") % s);
result=s;
}
ofs3.close();
}
if(result.empty())
throw(CannotOpenFile());
else return result;
}
Config::Config(){
po::options_description keyMappingOpts("Key mappings");
keyMappingOpts.add_options()
("Down",po::value<int>()->default_value(KEY_DOWN),"Down key")
("Left",po::value<int>()->default_value(KEY_LEFT),"Left key")
("Right",po::value<int>()->default_value(KEY_RIGHT),"Right key")
("RotateCW",po::value<int>()->default_value(' '),"Clockwise turn key")
("RotateCCW",po::value<int>()->default_value(KEY_UP),"Counterclockwise turn key")
("Drop",po::value<int>()->default_value(KEY_ENTER),"Drop tetromino key")
("Pause",po::value<int>()->default_value('p'),"Pause key")
;
po::options_description highScoresOpts("High scores");
boost::format scorer("Scorer%02d%02d");
boost::format score("Score%02d%02d");
for(int difficulty=0;difficulty<num_difficulties;++difficulty)
for(size_t i=0;i<HowManyHighScores;i++){
highScoresOpts.add_options()
(str(scorer % difficulty % i).c_str(),po::value<string>()->default_value("No one played yet"),"Name of high scorer")
(str(score % difficulty % i).c_str(),po::value<int>()->default_value(0),"High score (points)")
;
}
boost::program_options::variables_map _options;
boost::program_options::variables_map _highScores;
ifstream ifs(GetConfigFileName().c_str());
po::store(po::parse_config_file(ifs,keyMappingOpts),_options);
_keys.Down=_options["Down"].as<int>();
_keys.Left=_options["Left"].as<int>();
_keys.Right=_options["Right"].as<int>();
_keys.RotateCW=_options["RotateCW"].as<int>();
_keys.RotateCCW=_options["RotateCCW"].as<int>();
_keys.Drop=_options["Drop"].as<int>();
_keys.Pause=_options["Pause"].as<int>();
string s=GetHighScoresFileName();
ifstream ifs2(s.c_str());
po::store(po::parse_config_file(ifs2,highScoresOpts),_highScores);
for(int difficulty=0;difficulty<num_difficulties;difficulty++){
for(size_t i=0;i<HowManyHighScores;++i)
_hs[difficulty].push_back((HighScore){_highScores[str(score % difficulty % i)].as<int>(),
_highScores[str(scorer % difficulty % i)].as<string>()});
stable_sort(_hs[difficulty].begin(),_hs[difficulty].end()); //should not be needed but...
}
}
Keys *Config::GetKeys(){
return &_keys;
}
HighScores *Config::GetHighScores(int difficulty){
assert(difficulty>=0 && difficulty<num_difficulties);
return &(_hs[difficulty]);
}
Config::~Config(){
/**
The config and highscore files are written down at each game, even if it is not needed, but who cares for now
*/
boost::program_options::variables_map _options;
_options.insert(make_pair("Down",po::variable_value(_keys.Down,false)));
_options.insert(make_pair("Left",po::variable_value(_keys.Left,false)));
_options.insert(make_pair("Right",po::variable_value(_keys.Right,false)));
_options.insert(make_pair("RotateCW",po::variable_value(_keys.RotateCW,false)));
_options.insert(make_pair("RotateCCW",po::variable_value(_keys.RotateCCW,false)));
_options.insert(make_pair("Drop",po::variable_value(_keys.Drop,false)));
_options.insert(make_pair("Pause",po::variable_value(_keys.Pause,false)));
ofstream ofs(GetConfigFileName().c_str());
ofs<<"# Automatically regenerated by the program at each run, edit at your own risk\n";
BOOST_FOREACH(const po::variables_map::value_type &pair, _options){
ofs<<pair.first<<" = "<<pair.second.as<int>()<<"\n";
}
ofstream ofs2(GetHighScoresFileName().c_str());
ofs2<<"# Do not edit this file, Bastet sees you\n";
boost::format scorer("Scorer%02d%02d");
boost::format score("Score%02d%02d");
for(int difficulty=0;difficulty<num_difficulties;++difficulty){
int i=0;
BOOST_FOREACH(const HighScore &hs, _hs[difficulty]){
ofs2<<str(scorer % difficulty % i) << " = " << hs.Scorer << "\n";
ofs2<<str(score % difficulty % i) << " = " << hs.Score <<"\n";
i++;
}
}
}
}
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