#include<thread>
#include<iostream>
#include<string.h>
#include<windows.h>
#include<conio.h>
#include<mmsystem.h>
#include<stdlib.h>
using namespace std;
#pragma comment(lib,"winmm.lib") //[1]
#define MAXLEN 127
#define XSTART 16
#define YSTART 5
#define LENOFPAGE 146
#define DEPTHOFPAGE 20
short piano_type = 1; //2表示亮音钢琴，1是原声钢琴
typedef union {
int i;
char c[10];
}CwithI;
typedef struct {
char name[MAXLEN];
CwithI qusu;
char ver[20];
}HEAD;
void play_sound(char keyboard_key);//播放音频
void play_song(FILE* puzi, short* ystart, HEAD mus_info, short* flag);//播放音乐
void decoding_func(char keyboard_key, char* sound_name, short piano_type);//解码
void gotoxy(int x, int y);//移动光标至指定位置
void print_kuang();//打印框框
void print_pkeys();//打印手动模式下的静态钢琴键盘
void cls_kuang(short, short);//清除框框内指定行的信息
HEAD readhead(FILE*);//读取谱子文件的信息头
void HideCursor();//隐藏光标
void ShowCursor();//显示光标
char begin_page();//初始界面
char exit_page();//退出界面
char manual_page();//手动挡
char auto_page();//自动挡
int main() {
system("mode con cols=180 lines=38"); //[8]
short mode = 0;
while (1) { //所有页面的中转站
if (mode == 0) {
mode = begin_page();
}
if (mode == 1) {
mode = manual_page();
}
if (mode == 2) {
mode = auto_page();
}
if (mode == 3) {
exit_page();
break;
}
fflush(stdin);
}
return 0;
}
char exit_page() {
HideCursor();
char sentences[][MAXLEN] = { "PROGRAMME DESIGN",\
"名字 from 院系 in 学校",\
"MUSIC RESOURCE",\
"autopiano.cn",\
"SPECIAL THANKS TO",\
"Professor 老师",\
"T.A. 助教1",\
"T.A. 助教2",\
"室友",\
"github.com/WarpPrism/AutoPiano",\
"runoob.com/cprogramming/c-tutorial.html",\
" ",\
"Thank You for Playing My Game!"\
};
print_kuang();
short ystart = YSTART + DEPTHOFPAGE / 2 - 11, line = 0, sigofstr = 0;
int speed = 500;
for (line = YSTART + DEPTHOFPAGE - 2; line + (sizeof(sentences) / MAXLEN - 2) * 2 > YSTART; line--) {
for (sigofstr = 0; sigofstr < sizeof(sentences) / MAXLEN - 1; sigofstr++) {
if (kbhit()) {
speed = 0; //快速跳过制作人员名单
}
if ((line + sigofstr * 2) <= YSTART + DEPTHOFPAGE - 3 && (line + sigofstr * 2) >= YSTART + 2) {
cls_kuang(line + sigofstr * 2, -1);
cls_kuang(line + sigofstr * 2, 1); //上下两行都清除一下
gotoxy(XSTART + LENOFPAGE / 2 - strlen(sentences[sigofstr]) / 2, line + sigofstr * 2);
cout << sentences[sigofstr];
}
}
Sleep(speed); //滚动字幕的效果
}
for (line = YSTART + DEPTHOFPAGE - 3; line >= YSTART + DEPTHOFPAGE / 2 - 1; line--) {
cls_kuang(line, 1);
gotoxy(XSTART + LENOFPAGE / 2 - strlen(sentences[sizeof(sentences) / MAXLEN - 1]) / 2, line);
cout << sentences[sizeof(sentences) / MAXLEN - 1];
Sleep(speed); //同上一条注释
}
gotoxy(XSTART + LENOFPAGE / 2 - strlen("请按任意键继续. . .") / 2, YSTART + DEPTHOFPAGE - 2);
system("PAUSE");
return 0;
}
char begin_page() {
char line_one[] = "Welcome to elec-piano!";
char line_two[] = "choose your mode:1.manual 2.auto 3.exit";
print_kuang();
gotoxy(XSTART + LENOFPAGE / 2 - strlen(line_one) / 2, YSTART + DEPTHOFPAGE / 2 - 3); //将光标移到方框的正中央并打印文字
cout << line_one;
gotoxy(XSTART + LENOFPAGE / 2 - strlen(line_two) / 2, YSTART + DEPTHOFPAGE / 2 - 1);
cout << line_two;
gotoxy(XSTART + LENOFPAGE / 2, YSTART + DEPTHOFPAGE / 2 + 1); //将光标移至中央
char mode[127] = { 0 };
while (1) {
cin >> mode; //输入检测
while (getchar() != '\n') {
continue;
}
if (mode[0] >= '1' && mode[0] <= '3' && strlen(mode) == 1) {
break;
}
else {
cls_kuang(YSTART + DEPTHOFPAGE / 2 + 3, 0);
gotoxy(XSTART + LENOFPAGE / 2 - strlen("Input error!please try again:") / 2, YSTART + DEPTHOFPAGE / 2 + 1);
cout << "Input error!please try again:" << endl;
gotoxy(XSTART + LENOFPAGE / 2, YSTART + DEPTHOFPAGE / 2 + 3);
}
}
system("CLS");
return (mode[0] - '0');
}
char auto_page() {
FILE* dir, * puzi, * puzi_hx;
char sys_dir_msg[MAXLEN];
char mus_namelist[50][MAXLEN] = { 0 };
short numofsong = 0, ystart = YSTART + 1, xstart = XSTART + 1, lenofsongname = 0;
HEAD mus_info, hx_info;
print_kuang();
gotoxy(XSTART + 1, ystart);
cout << "Choose your music:";
gotoxy(XSTART + 1, ++ystart);
dir = _popen("dir .\\songs", "r");
while (!feof(dir)) {
fscanf(dir, "%s", sys_dir_msg);
if (strstr(sys_dir_msg, ".dat") != NULL) {//列出songs文件夹中的dat文件
strcpy(mus_namelist[numofsong], sys_dir_msg);
cout << ++numofsong << "." << sys_dir_msg;
if (strlen(sys_dir_msg) > lenofsongname) {
lenofsongname = strlen(sys_dir_msg);
}
gotoxy(xstart, ++ystart);
if (ystart == DEPTHOFPAGE + YSTART - 1) { //文件过多时换个行继续
xstart += lenofsongname + 5;
ystart = YSTART + 2;
lenofsongname = 0;
gotoxy(xstart, ystart);
}
}
}
fclose(dir);
CwithI tempci;
while (1) {
scanf("%9s", tempci.c);//输入检测
while (getchar() != '\n') {
continue;
}
tempci.c[9] = '\0';
tempci.i = atoi(tempci.c);
if (tempci.i == 0 || tempci.i > 50 || tempci.i < 0) {
cls_kuang(ystart, 1);
cout << "Input Error!please try again:";
}
else {
break;
}
}
thread t(play_sound, '+'); //播放一段无声的MP3以加载播放器相关dll
t.detach();
gotoxy(XSTART + 1, ++ystart);
char path_mode[50] = "songs\\%s";
char path[50] = { 0 };
char path_hx[50] = { 0 };
sprintf(path, path_mode, mus_namelist[tempci.i - 1]);
strcpy(path_hx, path);
path_hx[strlen(path) - 1] = 'x';
path_hx[strlen(path) - 2] = 'h';
puzi = fopen(path, "r");
if (puzi == NULL) {
cout << "File does not exist! Check your input";
Sleep(2500);
system("cls");
return 0;
}
short hx_flag = 1;
puzi_hx = fopen(path_hx, "r");
if (puzi_hx == NULL) {
hx_flag = 0;
}
else {
hx_info = readhead(puzi_hx);
}
mus_info = readhead(puzi);
system("cls");
print_kuang();
ystart = YSTART + 1;
gotoxy(XSTART + 1, ystart);
cout << "now play: " << mus_info.name;
gotoxy(XSTART + 1, ++ystart);
short flag = 0;
if (hx_flag == 1) {//有和弦时进入此分支
while (1) {
thread t1(play_song, puzi, &ystart, mus_info, &flag);
thread t2(play_song, puzi_hx, &ystart, hx_info, &hx_flag);
t2.detach();
t1.join();
if (feof(puzi) || feof(puzi_hx) || flag == 2 || hx_flag == 2) {//其中一个谱子放完了自动跳出整个循环
break;
}
}
}
else {
while (1) {
thread t1(play_song, puzi, &ystart, mus_info, &flag);
t1.join();
if (feof(puzi) || flag == 2) {
break;
}
}
}
fclose(puzi);
if (hx_flag != 0) {
fclose(puzi_hx);
}
gotoxy(XSTART + 1, ++ystart);
cls_kuang(ystart, 1);
cout << "end" << endl;
cls_kuang(++ystart, 1);
system("PAUSE");
system("CLS");
return 0;
}
char manual_page() {
HideCursor();
print_kuang();
print_pkeys();
gotoxy(XSTART + 1, YSTART + DEPTHOFPAGE - 2);
cout << "press Enter to quit the manual mode!";
thread t(play_sound, '+'); //播放一段无声的MP3以加载播放器相关dll
t.detach();
int i = 0;
while (1) {
char keyboard_key;
keyboard_key = getch(); //[2]
if (keyboard_key == '\r') {
break; //按回车退出
}
thread t(play_sound, keyboard_key); //[3]
t.detach();
FlushConsoleInputBuffer(GetStdHandle(STD_INPUT_HANDLE)); //[4]
}
gotoxy(XSTART + LENOFPAGE / 2 - strlen("exit") / 2, YSTART + DEPTHOFPAGE / 2);
cout << "exit!";
ShowCursor();
system("CLS");
return 0;
}
void decoding_func(char keyboard_key, char* sound_name, short piano_type) { //在plays函数中被引用，可有效降低创建线程时传参的复杂程度
char jian[] = { '1','!','2','@','3','4','$','5','%','6','^','7','8','*','9','(','0','q','Q',\
'w','W','e','E','r','t','T','y','Y','u','i','I','o','O','p','P','a','s','S','d','D',\
'f','g','G','h','H','j','J','k','l','L','z','Z','x','c','C','v','V','b','B','n','m' }; //所有音名对应的按键
char zhi_zimu[][3] = { "C","Cs","D","Ds","E","F","Fs","G","Gs","A","As","B" }; //音名字母部分
char zhi_shuzi[][2] = { "0","1","2","3","4","5","6","7" }; //音名数字部分
for (short i = 0; i < sizeof(jian); i++) {
if (keyboard_key == jian[i]) {
short zimu_bianhao = i % 12; //字母部分12个一轮回
short shuzi_bianhao = i / 12; //数字部分每十二个音+1
char ss_zimu[5], ss_shuzi[2];
strcpy(ss_zimu, zhi_zimu[zimu_bianhao]);
strcpy(ss_shuzi, zhi_shuzi[shuzi_bianhao + piano_type]); //带一个piano_type补正可以拓展音域
strcat(ss_zimu, ss_shuzi);
strcpy(sound_name, ss_zimu);
}
else {
continue;
}
}
}
void play_sound(char keyboard_key) {
char sound_name[5] = { 0 }; //音名
char temp_command[MAXLEN] = { 0 }; //mciSendString的命令
if (keyboard_key == '+') {
strcpy(sound_name, "No_sound"); //播放一段无声的声音，用于加载与播放器有关的DLL文件
}
else {
decoding_func(keyboard_key, sound_name, piano_type); //将键盘上的键对应地解码成音名
}
sprintf(temp_command, "open piano\\%s.mp3 alias %s", sound_name, sound_name);
mciSendStringA(temp_command, 0, 0, 0); //[5] //打开音名.mp3
sprintf(temp_command, "play %s", sound_name);
mciSendStringA(temp_command, 0, 0, 0); //播放
Sleep(10000);
sprintf(temp_command, "close %s", sound_name); //关闭
mciSendStringA(temp_command, 0, 0, 0);
return;
}
void play_song(FILE* puzi, short* ystart, HEAD mus_info, short* flag) {
char keyboard_key;
keyboard_key = fgetc(puzi);
if (*flag == 0) {
cout << keyboard_key;
}
if (keyboard_key == '|' || keyboard_key == '\n') {//遇到|和换行符时，由于不对乐曲本身发挥任何作用，因此需要特殊处理
if (keyboard_key == '\n' && (*flag) == 0) {
if ((*ystart) + 1 == DEPTHOFPAGE + YSTART - 1) {
*ystart = YSTART + 2;
cls_kuang(*ystart, 1);
}
else {
if ((*ystart) + 2 == DEPTHOFPAGE + YSTART - 1) {
(*ystart)++;
gotoxy(XSTART + 1, *ystart);
}
else {
(*ystart)++;
cls_kuang(*ystart, 1);
}
}
}
return;
}
else {
Sleep(mus_info.qusu.i);//此处控制曲速，注意：与一般音乐软件使用的曲速单位bpm不同，这里只是单纯的停顿一定毫秒
}
if (kbhit()) {
char kbout = '\0';
kbout = _getch();
if (kbout == '\r') { //播放中途按回车键退出
*flag = 2;
return;
}
}
thread t(play_sound, keyboard_key); //单独分出线程来播放声音
t.detach();
return;
}
void gotoxy(int x, int y) { //[6]
_COORD pos;
pos.X = x;
pos.Y = y;
SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), pos); //设置鼠标位置
}
void print_kuang() {
short start_x = XSTART, start_y = YSTART;
short page_x = LENOFPAGE, page_y = DEPTHOFPAGE;
gotoxy(start_x, start_y); //将鼠标移动到起始点
for (short y = 0; y < page_y; y++) {
if (y == 0 || y == page_y - 1) {
gotoxy(start_x, start_y + y);
for (short x = 0; x <= page_x; x++) {
cout << "="; //若为第一行或最后一行，则打印page_x个=
}
}
else {
gotoxy(start_x, start_y + y);
cout << '|';
gotoxy(start_x + page_x, start_y + y);
cout << '|'; //每行开头和末尾打印|
}
}
}
void print_pkeys() {
short ystart = YSTART + 1;
gotoxy(XSTART + 1, ystart);//普通的打印（很蠢）
cout << "_________________________________________________________________________________________________________________________________________________";
for (short i = 0; i < 6; i++) {
gotoxy(XSTART + 1, ++ystart);
cout << "| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |";
}
gotoxy(XSTART + 1, ++ystart);
cout << "| |!| |@| | |$| |%| |^| | |*| |(| | |Q| |W| |E| | |T| |Y| | |I| |O| |P| | |S| |D| | |G| |H| |J| | |L| |Z| | |C| |V| |B| | |";
for (short i = 0; i < 2; i++) {
gotoxy(XSTART + 1, ++ystart);
cout << "| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |";
}
gotoxy(XSTART + 1, ++ystart);
cout << "| |_| |_| | |_| |_| |_| | |_| |_| | |_| |_| |_| | |_| |_| | |_| |_| |_| | |_| |_| | |_| |_| |_| | |_| |_| | |_| |_| |_| | |";
for (short i = 0; i < 2; i++) {
gotoxy(XSTART + 1, ++ystart);
cout << "| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |";
}
gotoxy(XSTART + 1, ++ystart);
cout << "| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 0 | q | w | e | r | t | y | u | i | o | p | a | s | d | f | g | h | j | k | l | z | x | c | v | b | n | m |";
gotoxy(XSTART + 1, ++ystart);
cout << "| C2| D2| E2| F2| G2| A2| B2| C3| D3| E3| F3| G3| A3| B3| C4| D4| E4| F4| G4| A4| B4| C5| D5| E5| F5| G5| A5| B5| C6| D6| E6| F6| G6| A6| B6| C7|";
gotoxy(XSTART + 1, ++ystart);
cout << "|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|___|";
}
void cls_kuang(short line, short mode) {
gotoxy(XSTART + 1, line);//清除框框内的文字，比system（“cls”）更快
for (short c = 0; c < LENOFPAGE - 1; c++) {
printf(" ");
}
gotoxy(XSTART + 1, line + mode);//清除当前行数之外的另一行
for (short c = 0; c < LENOFPAGE - 1; c++) {
printf(" ");
}
gotoxy(XSTART + 1, line);//光标回到初始位置
}
void HideCursor() { //[7]
CONSOLE_CURSOR_INFO cursor; //隐藏光标
cursor.bVisible = FALSE;
cursor.dwSize = sizeof(cursor);
HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE);
SetConsoleCursorInfo(handle, &cursor);
}
void ShowCursor() {
CONSOLE_CURSOR_INFO cursor; //显示光标
cursor.bVisible = TRUE;
cursor.dwSize = sizeof(cursor);
HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE);
SetConsoleCursorInfo(handle, &cursor);
}
HEAD readhead(FILE* puzi) { //读取曲谱文件的标头，获取曲速，曲名等信息
char flag = 0, keyboard_key, count = 0;
char tempstr[MAXLEN] = { 0 };
HEAD temphead;
while (!feof(puzi)) {
keyboard_key = fgetc(puzi);
if (keyboard_key == '<') {
flag++;
continue;
}
if (keyboard_key == '>') {
count = 0;
flag++; //使得变量flag兼具计数和条件判断的功能
if (flag == 2) {
strcpy(temphead.name, tempstr);
}
if (flag == 4) {
strcpy(temphead.qusu.c, tempstr);
temphead.qusu.i = atoi(temphead.qusu.c);
}
if (flag == 6) {
strcpy(temphead.ver, tempstr);
keyboard_key = fgetc(puzi); //将信息头最后一个换行符给吃掉
break;
}
memset(tempstr, '\0', sizeof(tempstr));
}
if (flag % 2 == 1) {
tempstr[count++] = keyboard_key;
}
}
return temphead;
}
我用visual studio运行报错，我一会给你发送错误，请你修改
最新发布
本文介绍了在C++编程中如何通过按键来触发循环程序的退出，重点讲解了_kbhit()、_getch()和getchar()三个函数的使用方法和区别。_kbhit()用于检测是否有按键按下，非阻塞；_getch()获取字符但不显示，阻塞；getchar()从缓冲区读取字符，需回车。理解这些函数可以帮助开发者创建响应用户输入的交互式程序。
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