MusicGame.cpp

#include <graphics.h>
#include <dirent.h>
#include <iostream>
#include <string>
#include <fstream>
#include <Windows.h>
#include <vector>
#include "MusicGame.h"
using namespace std;

int MusicGame::Getdir(string dir, vector<string> &files){
    DIR *dp;//創立資料夾指標
    struct dirent *dirp;
    if((dp = opendir(dir.c_str())) == NULL){
        cout << "Error(" << errno << ") opening " << dir << endl;
        return errno;
    }
    while((dirp = readdir(dp)) != NULL){//如果dirent指標非空
        files.push_back(string(dirp->d_name));//將資料夾和檔案名放入vector
    }
    closedir(dp);//關閉資料夾指標
    return 0;
}


MusicGame::MusicGame(){  //建構式，

	readimagefile(".\\resources\\LOADING.jpg", 0, 0, 1440, 900);
	setactivepage(1);

	terminated = 0; //whether the game is end
	gameMode = 4; //keys
	speed = 2; //drop speed
	columnWidth = 90;
	columnPosition = 400;
	offset = 0;
	mods = 0;
	sudden = 0;
	lift = 0;
	
	keys[0] = 'Z';
	keys[1] = 'X';
	keys[2] = 'C';
	keys[3] = 'V';
	keys[4] = 'B';
	keys[5] = 'N';
	keys[6] = 'M';
	
	
	
	string str;
	ifstream conf(".\\data\\config");
	while(getline(conf, str)){
		if(str.find("gameMode=") == 0){
			int gm = atoi(str.substr(9).c_str());
			if(gm <= 7 && gm >= 3)  gameMode = gm;
		}
		else if(str.find("speed=") == 0){
			int sp = 1.0 * atoi(str.substr(6).c_str()) / 10;
			if(sp > 0) speed = sp;
		}
		else if(str.find("offset=") == 0){
			offset = atoi(str.substr(7).c_str());
		}
		else if(str.find("columnWidth=") == 0){
			int cw = atoi(str.substr(12).c_str());
			if(cw > 0) columnWidth = cw;
		}
		else if(str.find("columnPosition=") == 0){
			int cp = atoi(str.substr(15).c_str());
			if(cp > 0) columnPosition = cp;
		}
		else if(str.find("sudden=") == 0){
			int su = atoi(str.substr(7).c_str());
			if(su > 0)  sudden = su;
		}
		else if(str.find("lift=") == 0){
			int li = atoi(str.substr(5).c_str());
			if(li > 0)  lift = li;
		}
		else if(str.find("keys=") == 0){
			sscanf(str.substr(5).c_str(), "%d %d %d %d %d %d %d", keys, keys+1, keys+2, keys+3, keys+4, keys+5, keys+6);
		}
	}
	
	conf.close();
	
	saveConfig();
	
		
		
	
	cout << "start game" << endl;
	
//LOADING
	
//建構式
	
    string dir = ".\\song";//資料夾路徑(絕對位址or相對位址)
    vector<string> dirs = vector<string>(); //第一層資料夾名稱 
    vector<string> files = vector<string>();  //第二層所有資料名稱 
    vector<string> maps = vector<string>();  //所有.osu檔 
    vector<string> mapsDIR = vector<string>();
    
    Getdir(dir, dirs);
    for(int i = 0; i < dirs.size(); i++){
        cout << dir+"\\"+dirs[i] << endl;
        if(dirs[i] != ".." && dirs[i] != ".")Getdir(dir+"\\"+dirs[i], files);
        for(int j = 0; j < files.size(); j++){
        	if(files[j].find(".osu", 0) != string::npos){
        		maps.push_back( ".\\song\\" + dirs[i]+"\\"+files[j] );
        		mapsDIR.push_back(".\\song\\" + dirs[i]+"\\");
        		cout << "found beatmap: " << dirs[i]+"\\"+files[j] << endl;
			}
		}
		files.clear();
    }
    songs = new song[maps.size()];
    for(int i = 0; i < maps.size(); i++){
    	songs[i].path = maps[i];
    	songs[i].dir = mapsDIR[i];
    	ifstream ifs(maps[i].c_str());  //讀檔，取得基本歌曲資訊 
    	string str;
    	while(getline(ifs, str)){
    		if(str.find("AudioFilename:") == 0){
    			songs[i].AudioFilename = str.substr(15);
    		}
    		else if(str.find("Title:") == 0){
    			songs[i].Title = str.substr(6);
			}
			else if(str.find("Artist:") == 0){
				songs[i].Artist = str.substr(7);
			}
			else if(str.find("Version:") == 0){
				songs[i].Version = str.substr(8);
			}
			else if(str.find("BeatmapID:") == 0){
    			songs[i].BeatmapID = atoi(str.substr(10).c_str());
			}
			else if(str.find("PreviewTime:") == 0){
    			songs[i].PreviewTime = str.substr(13);
    		}
    		else if(str.find("HPDrainRate:") == 0){
    			songs[i].HPDrainRate = atof(str.substr(13).c_str());
    		}
    		else if(str.find("CircleSize:") == 0){
    			songs[i].CircleSize = atof(str.substr(11).c_str());
			}
			else if(str.find("OverallDifficulty:") == 0){
    			songs[i].OverallDifficulty = atof(str.substr(18).c_str());
			}
			else if(str.find("ApproachRate:") == 0){
    			songs[i].ApproachRate = atof(str.substr(13).c_str());
			}
			else if(str.find("SliderMultiplier:") == 0){
    			songs[i].SliderMultiplier = atof(str.substr(17).c_str());
			}
			else if(str.find("SliderTickRate:") == 0){
    			songs[i].SliderTickRate = atof(str.substr(15).c_str());
			}
    		else if(str.find("0,0,\"") == 0){
    			songs[i].backGround = str.substr(5, str.substr(5).find('\"'));
			}
		}
		ifs.close();
		cout << "loaded beatmap: " << endl;
		cout << songs[i].Title << " " << songs[i].Artist << " " << songs[i].Version << " " << songs[i].AudioFilename << " " <<  songs[i].PreviewTime << " " << songs[i].backGround << endl;
	}
	songcount = maps.size();
	cout << "Construction finished" << endl;
}



int MusicGame::GameMain(){
	while(terminated != 1){
		int selected = selectScreen();
		gameResult result = game(selected);
		resultScreen(result, selected);	
	}
	return 0;
}