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giada/src/core/actions/actionRecorder.h

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C++

/* -----------------------------------------------------------------------------
*
* Giada - Your Hardcore Loopmachine
*
* -----------------------------------------------------------------------------
*
* Copyright (C) 2010-2023 Giovanni A. Zuliani | Monocasual Laboratories
*
* This file is part of Giada - Your Hardcore Loopmachine.
*
* Giada - Your Hardcore Loopmachine 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 3 of the License, or (at your option) any later version.
*
* Giada - Your Hardcore Loopmachine 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 Giada - Your Hardcore Loopmachine. If not, see
* <http://www.gnu.org/licenses/>.
*
* -------------------------------------------------------------------------- */
#ifndef G_ACTION_RECORDER_H
#define G_ACTION_RECORDER_H
#include "core/midiEvent.h"
#include "core/model/model.h"
#include "core/types.h"
#include <cstddef>
#include <unordered_set>
namespace giada::patch
{
struct Action;
}
namespace giada::m
{
struct Action;
class ActionRecorder
{
public:
ActionRecorder(model::Model&);
/* reset
Brings everything back to the initial state. */
void reset();
bool isBoundaryEnvelopeAction(const Action&) const;
/* updateBpm
Changes actions position by calculating the new bpm value. */
void updateBpm(float ratio, int quantizerStep);
/* updateSamplerate
Changes actions position by taking in account the new samplerate. If
f_system == f_patch nothing will change, otherwise the conversion is
mandatory. */
void updateSamplerate(int systemRate, int patchRate);
/* cloneActions
Clones actions in channel 'channelId', giving them a new channel ID. Returns
whether any action has been cloned. */
bool cloneActions(ID channelId, ID newChannelId);
/* liveRec
Records a user-generated action. NOTE_ON or NOTE_OFF only for now. */
void liveRec(ID channelId, MidiEvent e, Frame global);
/* record*Action */
void recordEnvelopeAction(ID channelId, Frame frame, int value, Frame lastFrameInLoop);
void recordMidiAction(ID channelId, int note, int velocity, Frame f1, Frame f2, Frame framesInLoop);
void recordSampleAction(ID channelId, int type, Frame f1, Frame f2);
/* delete*Action */
void deleteMidiAction(ID channelId, const Action&);
void deleteSampleAction(ID channelId, const Action&);
void deleteEnvelopeAction(ID channelId, const Action&);
/* update*Action */
void updateMidiAction(ID channelId, const Action&, int note, int velocity, Frame f1, Frame f2, Frame framesInLoop);
void updateSampleAction(ID channelId, const Action&, int type, Frame f1, Frame f2);
void updateEnvelopeAction(ID channelId, const Action&, Frame f, int value, Frame lastFrameInLoop);
void updateVelocity(const Action&, int value);
/* consolidate
Records all live actions. Returns a set of channels IDs that have been
recorded. */
std::unordered_set<ID> consolidate();
/* clearAllActions
Deletes all recorded actions. */
void clearAllActions();
/* Pass-thru functions. See Actions.h */
const std::vector<Action>* getActionsOnFrame(Frame f) const;
bool hasActions(ID channelId, int type = 0) const;
Action getClosestAction(ID channelId, Frame f, int type) const;
std::vector<Action> getActionsOnChannel(ID channelId) const;
void clearChannel(ID channelId);
void clearActions(ID channelId, int type);
Action rec(ID channelId, Frame frame, MidiEvent e);
void rec(ID channelId, Frame f1, Frame f2, MidiEvent e1, MidiEvent e2);
void updateSiblings(ID id, ID prevId, ID nextId);
void deleteAction(ID channelId, ID id);
void deleteAction(ID channelId, ID currId, ID nextId);
void updateEvent(ID id, MidiEvent e);
private:
/* areComposite
Composite: NOTE_ON + NOTE_OFF on the same note. */
bool areComposite(const Action& a1, const Action& a2) const;
Frame fixVerticalEnvActions(Frame f, const Action& a1, const Action& a2) const;
bool isSinglePressMode(ID channelId) const;
/* recordFirstEnvelopeAction
First action ever? Add actions at boundaries. */
void recordFirstEnvelopeAction(ID channelId, Frame frame, int value, Frame lastFrameInLoop);
/* recordNonFirstEnvelopeAction
Find action right before frame 'frame' and inject a new action in there.
Vertical envelope points are forbidden. */
void recordNonFirstEnvelopeAction(ID channelId, Frame frame, int value);
/* consolidate
Given an action 'a1' tries to find the matching NOTE_OFF and updates the
action accordingly. */
void consolidate(const Action& a1, std::size_t i);
model::Model& m_model;
std::vector<Action> m_liveActions;
};
} // namespace giada::m
#endif