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Settings.cpp
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Settings.cpp
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/*
* Copyright (C) 2011-2012 Me and My Shadow
*
* This file is part of Me and My Shadow.
*
* Me and My Shadow 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.
*
* Me and My Shadow 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 Me and My Shadow. If not, see <http://www.gnu.org/licenses/>.
*/
#include "Settings.h"
#include "FileManager.h"
#include <SDL.h>
#include <string>
#include <stdio.h>
using namespace std;
// Hardcode the addon url unless specified by command line arguments
#define DEFAULT_ADDON_URL "https://github.com/acmepjz/meandmyshadow-addons/raw/master/addons05"
Settings::Settings(const string& fileName): fileName(fileName){
char s[32];
settings["sound"]="128";
settings["music"]="128";
settings["musiclist"]="default";
settings["fullscreen"]="0";
settings["width"]="800";
settings["height"]="600";
settings["resizable"]="1";
settings["theme"]="%DATA%/themes/Cloudscape";
settings["internet"]="1";
settings["lastlevelpack"]="tutorial";
settings["internet-proxy"]="";
settings["lang"]="";
settings["addon_url"] = DEFAULT_ADDON_URL;
//The record mode.
settings["quickrecord"]="0";
//Boolean if fading between states is enabled.
settings["fading"]="1";
//Key settings.
sprintf(s,"%d",(int)SDLK_UP);
settings["key_up"]=settings["key_jump"]=s;
sprintf(s,"%d",(int)SDLK_DOWN);
settings["key_down"]=settings["key_action"]=s; //SDLK_DOWN
sprintf(s,"%d",(int)SDLK_LEFT);
settings["key_left"]=s; //SDLK_LEFT
sprintf(s,"%d",(int)SDLK_RIGHT);
settings["key_right"]=s; //SDLK_RIGHT
sprintf(s,"%d",(int)SDLK_SPACE);
settings["key_space"]=s; //SDLK_SPACE
settings["key_cancelRecording"]="0"; //not set by default
sprintf(s,"%d",(int)SDLK_ESCAPE);
settings["key_escape"]=s; //SDLK_ESCAPE
sprintf(s,"%d",(int)SDLK_r);
settings["key_restart"]=s; //SDLK_r
sprintf(s,"%d",(int)SDLK_TAB);
settings["key_tab"]=s;
sprintf(s,"%d",(int)SDLK_F2);
settings["key_save"]=s; //SDLK_F2
sprintf(s,"%d",(int)SDLK_F3);
settings["key_load"]=s; //SDLK_F3
sprintf(s,"%d",(int)SDLK_F4);
settings["key_swap"]=s; //SDLK_F4
sprintf(s,"%d",(int)SDLK_F5);
settings["key_teleport"]=s; //SDLK_F5
sprintf(s,"%d",(int)SDLK_F12);
settings["key_suicide"]=s;
sprintf(s,"%d",(int)SDLK_RSHIFT);
settings["key_shift"]=s; //SDLK_RSHIFT
sprintf(s,"%d",(int)SDLK_PAGEUP);
settings["key_next"]=s; //SDLK_PAGEUP
sprintf(s,"%d",(int)SDLK_PAGEDOWN);
settings["key_previous"]=s; //SDLK_PAGEDOWN
sprintf(s,"%d",(int)SDLK_RETURN);
settings["key_select"]=s; //SDLK_RETURN
settings["key_up2"]=settings["key_down2"]=settings["key_left2"]=settings["key_right2"]=
settings["key_jump2"]=settings["key_action2"]=
settings["key_space2"]=settings["key_cancelRecording2"]=
settings["key_escape2"]=settings["key_restart2"]=settings["key_tab2"]=
settings["key_save2"]=settings["key_load2"]=settings["key_swap2"]=settings["key_teleport2"]=
settings["key_suicide2"]=settings["key_shift2"]=settings["key_next2"]=settings["key_previous2"]=
settings["key_select2"]="0";
}
void Settings::parseFile(int version){
//Open the config file for reading.
ifstream file;
file.open(fileName.c_str());
if(!file){
//Check if the file exists.
if(fileExists(fileName.c_str())){
cerr<<"ERROR: Unable to read config file, default values will be used!"<<endl;
}else{
cout<<"Creating a new config file."<<endl;
createFile();
}
//No need to parse the unreadable or newly created config file.
return;
}
//Read the config file line by line.
string line;
while(getline(file,line)){
string temp = line;
unComment(temp);
if(temp.empty() || empty(temp))
continue;
//The line is good so we parse it.
parseLine(temp,version);
}
//And close the file.
file.close();
// Hardcode the addon url unless specified by command line arguments
settings["addon_url"] = DEFAULT_ADDON_URL;
}
void Settings::parseLine(const string &line,int version){
if((line.find('=') == line.npos) || !validLine(line))
cerr<<"WARNING: illegal line in config file!"<<endl;
string temp = line;
temp.erase(0, temp.find_first_not_of("\t "));
int seperator = temp.find('=');
//Get the key and trim it.
string key, value;
key = line.substr(0, seperator);
if(key.find('\t')!=line.npos || key.find(' ')!=line.npos)
key.erase(key.find_first_of("\t "));
//Get the value and trim it.
value = line.substr(seperator + 1);
value.erase(0, value.find_first_not_of("\t "));
value.erase(value.find_last_not_of("\t ") + 1);
//Check the version.
//Currently in V0.5 we don't read key config saved in versions which is earlier than V0.5, since they are incompatible (SDL1.2 vs SDL2).
if (version < 0x000500) {
if (key.size() >= 4 && key.substr(0, 4) == "key_") {
return;
}
}
//Add the setting to the settings map.
setValue(key,value);
}
bool Settings::validLine(const string &line){
string temp = line;
temp.erase(0, temp.find_first_not_of("\t "));
if(temp[0] == '=')
return false;
for(size_t i = temp.find('=') + 1; i < temp.length(); i++)
return true;
return false;
}
void Settings::unComment(string &line){
if(line.find('#') != line.npos)
line.erase(line.find('#'));
}
bool Settings::empty(const string &line){
return (line.find_first_not_of(' ')==line.npos);
}
string Settings::getValue(const string &key){
if(settings.find(key) == settings.end()){
cerr<<"WARNING: Key "<<key<<" couldn't be found!"<<endl;
return "";
}
return settings[key];
}
bool Settings::getBoolValue(const string &key){
if(settings.find(key) == settings.end()){
cerr<<"WARNING: Key "<<key<<" couldn't be found!"<<endl;
return false;
}
return (settings[key] != "0");
}
void Settings::setValue(const string &key, const string &value){
settings[key]=value;
}
void Settings::createFile(){
ofstream file;
file.open(fileName.c_str());
//Default Config file.
file<<"# MeAndMyShadow config file"<<endl;
map<string, string>::iterator iter;
for(iter = settings.begin(); iter != settings.end(); ++iter){
file << iter->first << " = " << iter->second << endl;
}
//And close the file.
file.close();
}
bool Settings::save(){
//Open the settings file.
ofstream file;
file.open(fileName.c_str());
//Check if the file could be opened.
if(!file)
return false;
//Now write it to the first line of the config file.
file<<"# MeAndMyShadow config file"<<endl;
//Loop through the settings and save them.
map<string,string>::const_iterator iter;
for(iter=settings.begin(); iter!=settings.end(); ++iter){
if (iter->first == "addon_url") {
// Hardcode the addon url
file << iter->first << " = " DEFAULT_ADDON_URL << endl;
} else {
file << iter->first << " = " << iter->second << endl;
}
}
file.close();
//No errors so return true.
return true;
}

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