#include "song.h"

Song::Song() {
    this->playing = false;
    this->current_pattern = 0;
    this->current_row = 0;
}

void Song::SetCurrentPatternNum(const int pattern_num) {
    this->current_pattern = pattern_num;
}

void Song::SetCurrentNote(const int channel, const int row, const uint16_t note) {
    this->pattern[channel][row] = note;
}

const int Song::GetCurrentPatternNum() {
    return this->current_pattern;
}

const int Song::GetCurrentRow() {
    return this->current_row;
}

uint16_t Song::GetCurrentNote(const int channel, int row) {
    return this->pattern[channel][row<0?this->current_row:row];
}

void Song::Play() {
    this->current_row = 0;
    this->playing = true;
}

void Song::Stop() {
    this->playing = false;
}

const bool Song::IsPlaying() {
    return this->playing;
}

void Song::Next() {
    this->current_row++;
    if (this->current_row == 64) this->current_row = 0;
}