2022-02-15 03:12:20 +00:00
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/**
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* Furnace Tracker - multi-system chiptune tracker
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* Copyright (C) 2021-2022 tildearrow and contributors
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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2022-01-17 04:21:27 +00:00
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#include "safeReader.h"
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2022-08-16 08:19:16 +00:00
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#include <vector>
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2022-01-17 04:21:27 +00:00
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2021-05-11 20:08:08 +00:00
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struct DivPattern {
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2022-02-19 07:52:53 +00:00
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String name;
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2022-01-19 22:34:20 +00:00
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short data[256][32];
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2022-03-16 03:05:55 +00:00
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/**
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* copy this pattern to another.
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* @param dest the destination pattern.
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*/
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2022-02-19 07:52:53 +00:00
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void copyOn(DivPattern* dest);
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2021-12-09 06:44:40 +00:00
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DivPattern();
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2021-05-11 20:08:08 +00:00
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};
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struct DivChannelData {
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2022-04-27 22:53:55 +00:00
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unsigned char effectCols;
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2021-05-11 20:08:08 +00:00
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// data goes as follows: data[ROW][TYPE]
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// TYPE is:
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// 0: note
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// 1: octave
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// 2: instrument
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// 3: volume
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// 4-5+: effect/effect value
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2022-03-16 03:05:55 +00:00
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// do NOT access directly unless you know what you're doing!
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2022-04-08 22:21:36 +00:00
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DivPattern* data[256];
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2022-03-16 03:05:55 +00:00
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/**
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* get a pattern from this channel, or the empty pattern if not initialized.
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* @param index the pattern ID.
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* @param create whether to initialize a new pattern if not init'ed. always use true if you're going to modify it!
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* @return a DivPattern.
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*/
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2021-12-09 06:44:40 +00:00
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DivPattern* getPattern(int index, bool create);
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2022-03-16 03:05:55 +00:00
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2022-08-16 08:19:16 +00:00
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/**
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* optimize pattern data.
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* not thread-safe! use a mutex!
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* @return a list of From -> To pairs
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*/
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std::vector<std::pair<int,int>> optimize();
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/**
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* re-arrange NULLs.
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* not thread-safe! use a mutex!
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* @return a list of From -> To pairs
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*/
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std::vector<std::pair<int,int>> rearrange();
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2022-03-16 03:05:55 +00:00
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/**
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* destroy all patterns on this DivChannelData.
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*/
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2021-12-15 22:32:08 +00:00
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void wipePatterns();
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2021-12-09 06:44:40 +00:00
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DivChannelData();
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2021-05-11 20:26:38 +00:00
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};
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