player.cpp

#include "player.h"
#include <ctime>

int randomInt(int  max_int) {
    /** YOU DON'T NEED TO MODIFY THIS */
    srand(time(NULL));
    return (rand() % max_int) + 1;
}

void printInfo(List L) {
    /**
    * PR : menampilkan informasi ID, nama, dan lokasi file
    * YOU DON'T NEED TO MODIFY THIS
    */

    address Q = first(L);
    if(first(L) != NULL){
        do {
            cout<<"name    : "<<info(Q).name<<endl
                <<"ID      : "<<info(Q).ID<<endl
                <<"location: "<<info(Q).location<<endl;
            Q = next(Q);
        } while(Q!=first(L));
    }else{
        cout << "List Kosong" << endl;
    }
    cout<<"==============================================="<<endl;
}


void playMusic(address P) {
    /**
    * PR : memainkan lagu yang ditunjuk oleh pointer P
    * YOU DON'T NEED TO MODIFY THIS
    */
    if(P != NULL){
        string filename = info(P).location+"/"+info(P).name;
        cout<<"playing "<<filename<<endl;
        PlaySound(TEXT(filename.c_str()), NULL, SND_FILENAME);
        _sleep(500); //delay 0.5 second
    }else{
        cout << "Musik Tidak Ada" << endl;
    }
}


void shuffleList(List &L) {
    /**
    * PR : mengacak isi (elemen) dari list L
    * FS : isi (elemen) dari list teracak
    */
    //------------- YOUR CODE HERE -------------

    cout<<"UNDER MAIN TENIS"<<endl;
    address P = first(L);
    int i = 0;
    do{
        P = next(P);
        i++;
    }while(P != first(L));
    address Q;
    address R;
    int j;
    for(j=1; j<=1; j++){
        int acak = randomInt(j);
        int k = 1;
        Q = first(L);
        do{
            Q = next(Q);
            k++;
        }while(Q != first(L) && k < acak);
        deleteAfter(L, prev(Q), R);
        insertFirst(L, R);
    }
    //----------------------------------------
}

void playRepeat(List &L, int n) {
    /**
    * PR : memainkan seluruh lagu di dalam list
    *      dari lagu pertama hingga terakhir sebanyak n kali
    */
    //------------- YOUR CODE HERE -------------

    cout<<"UNDER MAIN TENIS"<<endl;
    int i;
    for(i=0; i<n; i++){
        address P = first(L);
        do{
            playMusic(P);
            P = next(P);
        }while(P != first(L));
    }
    //----------------------------------------
}

void deleteMusicByID(List &L, infotype x) {
    /**
    * IS : list L mungkin kosong
    * PR : menerima input user untuk ID lagu yang ingin dihapus
    *      jika ID lagu ditemukan, hapus (deallocate) lagu dari list
    * FS : elemen dengan ID yang dicari dideallocate
    */
    //------------- YOUR CODE HERE -------------

    cout<<"UNDER MAIN TENIS"<<endl;
    address R;
    address cari = findElmByID(L, x);
    if(cari == NULL){
        cout << "Music Tidak Ditemukan" << endl;
    }else if(cari == first(L)){
        deleteFirst(L, R);
        deallocate(R);
        cout << "Delete Berhasil" << endl;
    }else if(cari != NULL){
        deleteAfter(L, prev(cari), R);
        deallocate(R);
        cout << "Delete Berhasil" << endl;
    }
    //----------------------------------------

}