(C++) murka.mp3 xD

#include <windows.h>
#include <string.h>

#define _AUTO_FREQ(_NAME, _FREQ, _A1, _A2, _A3, _A4, _A5, _A6, _A7, _A8) \
if (*(_NAME + 1) && *(_NAME + 1) > '0' && *(_NAME + 1) < '9') \
{ \
++_NAME; switch(*_NAME) { \
    case '1': _FREQ = _A1; break; \
    case '2': _FREQ = _A2; break; \
    case '3': _FREQ = _A3; break; \
    case '4': _FREQ = _A4; break; \
    case '5': _FREQ = _A5; break; \
    case '6': _FREQ = _A6; break; \
    case '7': _FREQ = _A7; break; \
    case '8': _FREQ = _A8; break; \
    }\
 \
} else _FREQ = _A4;

DWORD getDuration(const char*& str)
{
    ++str;
    const char* next = strchr(str, ')');
    if (!next)
    {
        ++str;
        return 200;
    }
    auto size = next - str;
    char* inner = new char[size+1];
    memcpy(inner, str, size+1);
    inner[size] = 0;
    DWORD result = atoi(inner) * 50;
    str = next;
    delete[] inner;
    return result;
}


void noteParser(const char* format)
{
    const char* cur = format;
    DWORD freq;
    DWORD dur;
    while (*cur)
    {
        if (!strchr("CDEFGAH ", *cur)) continue;
        dur = 200;
        switch (*cur)
        {
        case 'C':
            if (*(cur + 1) == '#')
            {
                ++cur;
                _AUTO_FREQ(cur, freq, 35, 69, 139, 277, 554, 1109, 2217, 4435);
            }
            else if (*(cur + 1) == 'b')
            {
                ++cur;
                _AUTO_FREQ(cur, freq, 31, 62, 123, 247, 494, 988, 1975, 3951);
            }
            else
            {
                _AUTO_FREQ(cur, freq, 33, 65, 131, 262, 523, 1046, 2093, 4186);
            }
            if (*(cur + 1) == '(')
            {
                ++cur;
                dur = getDuration(cur);
            }
            break;
        case 'D':
            if (*(cur + 1) == '#')
            {
                ++cur;
                _AUTO_FREQ(cur, freq, 39, 78, 156, 311, 622, 1244, 2489, 4978);
            }
            else if (*(cur + 1) == 'b')
            {
                ++cur;
                _AUTO_FREQ(cur, freq, 35, 69, 139, 277, 554, 1109, 2217, 4435);
            }
            else
            {
                _AUTO_FREQ(cur, freq, 37, 74, 148, 294, 587, 1175, 2349, 4698);
            }
            if (*(cur + 1) == '(')
            {
                ++cur;
                dur = getDuration(cur);
            }
            break;
        case 'E':
            if (*(cur + 1) == '#')
            {
                ++cur;
                _AUTO_FREQ(cur, freq, 44, 87, 175, 349, 698, 1397, 2794, 22);
            }
            else if (*(cur + 1) == 'b')
            {
                ++cur;
                _AUTO_FREQ(cur, freq, 39, 78, 156, 311, 622, 1244, 2489, 4978);
            }
            else
            {
                _AUTO_FREQ(cur, freq, 41, 82, 165, 330, 660, 1318, 2637, 5274);
            }
            if (*(cur + 1) == '(')
            {
                ++cur;
                dur = getDuration(cur);
            }
            break;
        case 'F':
            if (*(cur + 1) == '#')
            {
                ++cur;
                _AUTO_FREQ(cur, freq, 46, 92, 185, 370, 740, 1480, 2960, 23);
            }
            else if (*(cur + 1) == 'b')
            {
                ++cur;
                _AUTO_FREQ(cur, freq, 41, 82, 165, 330, 659, 1318, 2637, 5274);
            }
            else
            {
                _AUTO_FREQ(cur, freq, 44, 87, 175, 349, 698, 1397, 2740, 22);
            }
            if (*(cur + 1) == '(')
            {
                ++cur;
                dur = getDuration(cur);
            }
            break;
        case 'G':
            if (*(cur + 1) == '#')
            {
                ++cur;
                _AUTO_FREQ(cur, freq, 520, 1040, 207, 415, 831, 1661, 3332, 260);
            }
            else if (*(cur + 1) == 'b')
            {
                ++cur;
                _AUTO_FREQ(cur, freq, 46, 92, 185, 370, 740, 1480, 2960, 23);
            }
            else
            {
                _AUTO_FREQ(cur, freq, 49, 98, 196, 392, 784, 1568, 3136, 24);
            }
            if (*(cur + 1) == '(')
            {
                ++cur;
                dur = getDuration(cur);
            }
            break;
        case 'A':
            if (*(cur + 1) == '#')
            {
                ++cur;
                _AUTO_FREQ(cur, freq, 58, 116, 233, 466, 932, 1865, 3729, 29);
            }
            else if (*(cur + 1) == 'b')
            {
                ++cur;
                _AUTO_FREQ(cur, freq, 49, 98, 196, 392, 784, 1568, 3136, 24);
            }
            else
            {
                _AUTO_FREQ(cur, freq, 55, 110, 220, 440, 880, 1720, 3440, 27);
            }
            dur = 1;
            if (*(cur + 1) == '(')
            {
                ++cur;
                dur = getDuration(cur);
            }
            break;
        case 'H':
            if (*(cur + 1) == '#')
            {
                ++cur;
                _AUTO_FREQ(cur, freq, 65, 131, 262, 523, 1046, 2093, 4186, 33);
            }
            else if (*(cur + 1) == 'b')
            {
                ++cur;
                _AUTO_FREQ(cur, freq, 58, 116, 233, 466, 932, 1865, 3729, 29);
            }
            else
            {
                _AUTO_FREQ(cur, freq, 62, 123, 247, 494, 988, 1975, 3951, 31);
            }
            if (*(cur + 1) == '(')
            {
                ++cur;
                dur = getDuration(cur);
            }
            break;
        case ' ':
            if (*(cur + 1) == '(')
            {
                ++cur;
                dur = getDuration(cur);
            }
            Sleep(dur);
            ++cur;
            continue;
        }
        ++cur;
        Beep(freq, dur);
    }
}

int main(int argc, char* argv[])
{
    noteParser("G5(4)G5(4)Gb5(4)G5(4)G#5(4)G5(8)D#5(4)D#5(4)D5(4)D#5(4)D5(4)C5(8)C6(4)C6(4)Cb6(4)C6(4)D6(4)C6(4)Cb6(4)C6(4)D6(14)"
        "D#6(4)D6(4)C6(4)Cb6(4)D6(8)C6(8)C6(4)Hb5(4)G#5(4)G5(4)Hb5(6)G#5(8)G5(4)G5(4)Gb5(4)G5(4)G#5(4)G5(4)D5(4)D#5(6)C5(8)");
}