furnace/src/engine/pattern.h

/**
 * Furnace Tracker - multi-system chiptune tracker
 * Copyright (C) 2021-2022 tildearrow and contributors
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include "safeReader.h"

struct DivPattern {
  short data[256][32];
  SafeReader* compile(int len=256, int fxRows=1);
  DivPattern();
};

struct DivChannelData {
  unsigned char effectRows;
  // data goes as follows: data[ROW][TYPE]
  // TYPE is:
  // 0: note
  // 1: octave
  // 2: instrument
  // 3: volume
  // 4-5+: effect/effect value
  DivPattern* data[128];
  DivPattern* getPattern(int index, bool create);
  void wipePatterns();
  DivChannelData();
};