LevelPack.cpp
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LevelPack.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 "LevelPack.h"
	#include "Functions.h"
	#include "FileManager.h"
	#include "TreeStorageNode.h"
	#include "POASerializer.h"
	#include "MD5.h"
	#include <string>
	#include <vector>
	#include <fstream>
	#include <algorithm>
	#include <iostream>
	using namespace std;

	LevelPack::LevelPack():currentLevel(0),loaded(false),levels(),customTheme(false){
	//We need to set the pointer to the dictionaryManager to NULL.
	dictionaryManager=NULL;
	//The type of levelpack is determined in the loadLevels method, but 'fallback' is CUSTOM.
	type=CUSTOM;
	}

	LevelPack::~LevelPack(){
	//We call clear, since that already takes care of the deletion, including the dictionaryManager.
	clear();
	}

	void LevelPack::clear(){
	currentLevel=0;
	loaded=false;
	levels.clear();
	levelpackDescription.clear();
	levelpackPath.clear();
	levelProgressFile.clear();
	congratulationText.clear();
	levelpackMusicList.clear();

	//Also delete the dictionaryManager if it isn't null.
	if(dictionaryManager){
	delete dictionaryManager;
	dictionaryManager=NULL;
	}
	}

	bool LevelPack::loadLevels(const std::string& levelListFile){
	//We're going to load a new levellist so first clean any existing levels.
	clear();

	//If the levelListFile is empty we have nothing to load so we return false.
	if(levelListFile.empty()){
	cerr<<"ERROR: No levellist file given."<<endl;
	return false;
	}

	//Determine the levelpack type.
	if(levelListFile.find(getDataPath())==0){
	type=MAIN;
	}else if(levelListFile.find(getUserPath(USER_DATA)+"levelpacks/")==0){
	type=ADDON;
	}else{
	type=CUSTOM;
	}

	//Process the levelListFile, create a new string since lecelListFile is constant.
	string levelListNew=levelListFile;
	levelpackPath=pathFromFileName(levelListNew);

	//Create two input streams, one for the levellist file and one for the levelprogress.
	ifstream level(levelListNew.c_str());

	if(!level){
	cerr<<"ERROR: Can't load level list "<<levelListNew<<endl;
	return false;
	}

	//Load the level list file.
	TreeStorageNode obj;
	{
	POASerializer objSerializer;
	if(!objSerializer.readNode(level,&obj,true)){
	cerr<<"ERROR: Invalid file format of level list "<<levelListNew<<endl;
	return false;
	}
	}

	//Check for folders inside the levelpack folder.
	{
	//Get all the sub directories.
	vector<string> v;
	v=enumAllDirs(pathFromFileName(levelListNew),false);

	//Check if there's a locale folder containing translations.
	if(std::find(v.begin(),v.end(),"locale")!=v.end()){
	//Folder is present so configure the levelDictionaryManager.
	dictionaryManager=new tinygettext::DictionaryManager();
	dictionaryManager->add_directory(pathFromFileName(levelListNew)+"locale/");
	dictionaryManager->set_charset("UTF-8");
	dictionaryManager->set_language(tinygettext::Language::from_name(language));
	}else{
	dictionaryManager=NULL;
	}

	//Check for a theme folder.
	if(std::find(v.begin(),v.end(),"theme")!=v.end()){
	customTheme=true;
	}
	}

	//Look for the name.
	{
	vector<string> &v=obj.attributes["name"];
	if(!v.empty()){
	levelpackName=v[0];
	}else{
	//Name is not defined so take the folder name.
	levelpackName=pathFromFileName(levelListFile);
	//Remove the last character '/'
	levelpackName=levelpackName.substr(0,levelpackName.size()-1);
	levelpackName=fileNameFromPath(levelpackName);
	}
	}

	//Look for the description.
	{
	vector<string> &v=obj.attributes["description"];
	if(!v.empty())
	levelpackDescription=v[0];
	}

	//Look for the congratulation text.
	{
	vector<string> &v=obj.attributes["congratulations"];
	if(!v.empty())
	congratulationText=v[0];
	}

	//Look for the music list.
	{
	vector<string> &v=obj.attributes["musiclist"];
	if(!v.empty())
	levelpackMusicList=v[0];
	}

	//Loop through the level list entries.
	for(unsigned int i=0;i<obj.subNodes.size();i++){
	TreeStorageNode* obj1=obj.subNodes[i];
	if(obj1==NULL)
	continue;
	if(!obj1->value.empty() && obj1->name=="levelfile"){
	Level level;
	level.file=obj1->value[0];
	level.targetTime=0;
	level.targetRecordings=0;

	//The path to the file to open.
	string levelFile;
	if(type!=COLLECTION)
	levelFile=levelpackPath+level.file;
	else
	levelFile=level.file;

	//Open the level file to retrieve the name and target time/recordings.
	TreeStorageNode obj;
	POASerializer objSerializer;
	if(objSerializer.loadNodeFromFile(levelFile.c_str(),&obj,true)){
	//Calc the MD5 FIRST because query obj.attributes will modify internal structure.
	obj.name.clear();
	obj.calcMD5(level.md5Digest);

	//Get the name of the level.
	vector<string>& v=obj.attributes["name"];
	if(!v.empty())
	level.name=v[0];
	//If the name is empty then we set it to the file name.
	if(level.name.empty())
	level.name=fileNameFromPath(level.file);

	//Get the target time of the level.
	v=obj.attributes["time"];
	if(!v.empty())
	level.targetTime=atoi(v[0].c_str());
	else
	level.targetTime=-1;
	//Get the target recordings of the level.
	v=obj.attributes["recordings"];
	if(!v.empty())
	level.targetRecordings=atoi(v[0].c_str());
	else
	level.targetRecordings=-1;
	}

	//The default for locked is true, unless it's the first one.
	level.locked=!levels.empty();
	level.won=false;
	level.time=-1;
	level.recordings=-1;

	//Add the level to the levels.
	levels.push_back(level);
	}
	}

	loaded=true;
	return true;
	}

	void LevelPack::loadProgress(){
	//Make sure that a levelProgressFile is set.
	if(levelProgressFile.empty()){
	levelProgressFile=getLevelProgressPath();
	}

	//Open the file.
	ifstream levelProgress;
	levelProgress.open(processFileName(this->levelProgressFile).c_str());

	//Check if the file exists.
	if(levelProgress){
	//Now load the progress/statistics.
	TreeStorageNode obj;
	{
	POASerializer objSerializer;
	if(!objSerializer.readNode(levelProgress,&obj,true)){
	cerr<<"ERROR: Invalid file format of level progress file."<<endl;
	}
	}

	//Loop through the entries.
	for(unsigned int i=0;i<obj.subNodes.size();i++){
	TreeStorageNode* obj1=obj.subNodes[i];
	if(obj1==NULL)
	continue;
	if(!obj1->value.empty() && obj1->name=="level"){
	//We've found an entry for a level, now search the correct level.
	Level* level=NULL;
	for(unsigned int o=0;o<levels.size();o++){
	if(obj1->value[0]==levels[o].file){
	level=&levels[o];
	break;
	}
	}

	//Check if we found the level.
	if(!level)
	continue;

	//Get the progress/statistics.
	for(map<string,vector<string> >::iterator i=obj1->attributes.begin();i!=obj1->attributes.end();++i){
	if(i->first=="locked"){
	level->locked=(i->second[0]=="1");
	}
	if(i->first=="won"){
	level->won=(i->second[0]=="1");
	}
	if(i->first=="time"){
	level->time=(atoi(i->second[0].c_str()));
	}
	if(i->first=="recordings"){
	level->recordings=(atoi(i->second[0].c_str()));
	}
	}
	}
	}
	}
	}

	void LevelPack::saveLevels(const std::string& levelListFile){
	//Get the fileName.
	string levelListNew=processFileName(levelListFile);
	//Open an output stream.
	ofstream level(levelListNew.c_str());

	//Check if we can use the file.
	if(!level){
	cerr<<"ERROR: Can't save level list "<<levelListNew<<endl;
	return;
	}

	//Storage node that will contain the data that should be written.
	TreeStorageNode obj;

	//Also store the name of the levelpack.
	if(!levelpackName.empty())
	obj.attributes["name"].push_back(levelpackName);

	//Make sure that there's a description.
	if(!levelpackDescription.empty())
	obj.attributes["description"].push_back(levelpackDescription);

	//Make sure that there's a congratulation text.
	if(!congratulationText.empty())
	obj.attributes["congratulations"].push_back(congratulationText);

	//Add the levels to the file.
	for(unsigned int i=0;i<levels.size();i++){
	TreeStorageNode* obj1=new TreeStorageNode;
	obj1->name="levelfile";
	obj1->value.push_back(fileNameFromPath(levels[i].file));
	obj1->value.push_back(levels[i].name);
	obj.subNodes.push_back(obj1);
	}

	//Write the it away.
	POASerializer objSerializer;
	objSerializer.writeNode(&obj,level,false,true);
	}

	void LevelPack::updateLanguage(){
	if(dictionaryManager!=NULL)
	dictionaryManager->set_language(tinygettext::Language::from_name(language));
	}

	void LevelPack::addLevel(const string& levelFileName,int levelno){
	//Fill in the details.
	Level level;
	if(type!=COLLECTION && !levelpackPath.empty() && levelFileName.compare(0,levelpackPath.length(),levelpackPath)==0){
	level.file=fileNameFromPath(levelFileName);
	}else{
	level.file=levelFileName;
	}
	level.targetTime=0;
	level.targetRecordings=0;

	//Get the name of the level.
	TreeStorageNode obj;
	POASerializer objSerializer;
	if(objSerializer.loadNodeFromFile(levelFileName.c_str(),&obj,true)){
	//Calc the MD5 FIRST because query obj.attributes will modify internal structure.
	obj.name.clear();
	obj.calcMD5(level.md5Digest);

	//Get the name of the level.
	vector<string>& v=obj.attributes["name"];
	if(!v.empty())
	level.name=v[0];
	//If the name is empty then we set it to the file name.
	if(level.name.empty())
	level.name=fileNameFromPath(levelFileName);

	//Get the target time of the level.
	v=obj.attributes["time"];
	if(!v.empty())
	level.targetTime=atoi(v[0].c_str());
	else
	level.targetTime=-1;
	//Get the target recordings of the level.
	v=obj.attributes["recordings"];
	if(!v.empty())
	level.targetRecordings=atoi(v[0].c_str());
	else
	level.targetRecordings=-1;
	}
	//Set if it should be locked or not.
	level.won=false;
	level.time=-1;
	level.recordings=-1;
	level.locked=levels.empty()?false:true;

	//Check if the level should be at the end or somewhere in the middle.
	if(levelno<0 \|\| levelno>=int(levels.size())){
	levels.push_back(level);
	}else{
	levels.insert(levels.begin()+levelno,level);
	}

	//NOTE: We set loaded to true.
	loaded=true;
	}

	void LevelPack::moveLevel(unsigned int level1,unsigned int level2){
	if(level1>=levels.size())
	return;
	if(level2>=levels.size())
	return;
	if(level1==level2)
	return;

	levels.insert(levels.begin()+level2,levels[level1]);
	if(level2<=level1)
	levels.erase(levels.begin()+level1+1);
	else
	levels.erase(levels.begin()+level1);
	}

	void LevelPack::saveLevelProgress(){
	//Check if the levels are loaded and a progress file is given.
	if(!loaded \|\| levelProgressFile.empty())
	return;

	//Open the progress file.
	ofstream levelProgress(processFileName(levelProgressFile).c_str());
	if(!levelProgress)
	return;

	//Open an output stream.
	TreeStorageNode node;

	//Loop through the levels.
	for(unsigned int o=0;o<levels.size();o++){
	TreeStorageNode* obj=new TreeStorageNode;
	node.subNodes.push_back(obj);

	char s[64];

	//Set the name of the node.
	obj->name="level";
	obj->value.push_back(levels[o].file);

	//Set the values.
	obj->attributes["locked"].push_back(levels[o].locked?"1":"0");
	obj->attributes["won"].push_back(levels[o].won?"1":"0");
	sprintf(s,"%d",levels[o].time);
	obj->attributes["time"].push_back(s);
	sprintf(s,"%d",levels[o].recordings);
	obj->attributes["recordings"].push_back(s);
	}


	//Create a POASerializer and write away the leve node.
	POASerializer objSerializer;
	objSerializer.writeNode(&node,levelProgress,true,true);
	}

	const string& LevelPack::getLevelName(int level){
	if(level<0)
	level=currentLevel;
	return levels[level].name;
	}

	const unsigned char* LevelPack::getLevelMD5(int level){
	if(level<0)
	level=currentLevel;
	return levels[level].md5Digest;
	}

	void LevelPack::getLevelAutoSaveRecordPath(int level,std::string &bestTimeFilePath,std::string &bestRecordingFilePath,bool createPath){
	if(level<0)
	level=currentLevel;

	bestTimeFilePath.clear();
	bestRecordingFilePath.clear();

	//get level pack path.
	string levelpackPath=LevelPack::levelpackPath;
	string s=levels[level].file;

	//process level pack name
	for(;;){
	string::size_type lps=levelpackPath.find_last_of("/\\");
	if(lps==string::npos){
	break;
	}else if(lps==levelpackPath.size()-1){
	levelpackPath.resize(lps);
	}else{
	levelpackPath=levelpackPath.substr(lps+1);
	break;
	}
	}

	//profess file name
	{
	string::size_type lps=s.find_last_of("/\\");
	if(lps!=string::npos) s=s.substr(lps+1);
	}

	//check if it's custom level
	{
	string path="%USER%/records/autosave/";
	if(!levelpackPath.empty()){
	path+=levelpackPath;
	path+='/';
	}
	path=processFileName(path);
	if(createPath) createDirectory(path.c_str());
	s=path+s;
	}

	//calculate MD5
	s+='-';
	s+=Md5::toString(levels[level].md5Digest);

	//over
	bestTimeFilePath=s+"-best-time.mnmsrec";
	bestRecordingFilePath=s+"-best-recordings.mnmsrec";
	}

	string LevelPack::getLevelProgressPath(){
	if(levelProgressFile.empty()){
	levelProgressFile="%USER%/progress/";

	//Use the levelpack folder name instead of the levelpack name.
	//NOTE: Remove the trailing slash.
	string folderName=levelpackPath.substr(0,levelpackPath.size()-1);
	folderName=fileNameFromPath(folderName);

	//Depending on the levelpack type add a folder.
	switch(type){
	case MAIN:
	levelProgressFile+="main/";
	levelProgressFile+=folderName+".progress";
	break;
	case ADDON:
	levelProgressFile+="addon/";
	levelProgressFile+=folderName+".progress";
	break;
	case CUSTOM:
	levelProgressFile+="custom/";
	levelProgressFile+=folderName+".progress";
	break;
	case COLLECTION:
	//NOTE: For collections we use their name since they don't have a folder.
	//FIXME: Make sure the name contains legal characters.
	levelProgressFile+=levelpackName+".progress";
	break;
	}
	}

	return levelProgressFile;
	}

	void LevelPack::setLevelName(unsigned int level,const std::string& name){
	if(level<levels.size())
	levels[level].name=name;
	}

	const string LevelPack::getLevelFile(int level){
	if(level<0)
	level=currentLevel;

	string levelFile;
	if(type!=COLLECTION)
	levelFile=levelpackPath+levels[level].file;
	else
	levelFile=levels[level].file;

	return levelFile;
	}

	const string& LevelPack::getLevelpackPath(){
	return levelpackPath;
	}

	struct LevelPack::Level* LevelPack::getLevel(int level){
	if(level<0)
	return &levels[currentLevel];
	return &levels[level];
	}

	void LevelPack::resetLevel(int level){
	if(level<0)
	level=currentLevel;

	//Set back to default.
	levels[level].locked=(level!=0);
	levels[level].won=false;
	levels[level].time=-1;
	levels[level].recordings=-1;
	}

	void LevelPack::nextLevel(){
	currentLevel++;
	}

	bool LevelPack::getLocked(unsigned int level){
	return levels[level].locked;
	}

	void LevelPack::setCurrentLevel(unsigned int level){
	currentLevel=level;
	}

	void LevelPack::setLocked(unsigned int level,bool locked){
	levels[level].locked=locked;
	}

	void LevelPack::swapLevel(unsigned int level1,unsigned int level2){
	if(level1<levels.size()&&level2<levels.size()){
	swap(levels[level1],levels[level2]);
	}
	}

	void LevelPack::removeLevel(unsigned int level){
	if(level<levels.size()){
	levels.erase(levels.begin()+level);
	}
	}

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