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75 lines
2.7 KiB
C++
75 lines
2.7 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2019-2020, William McPherson <willmcpherson2@gmail.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "Music.h"
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#include "Track.h"
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#include <AK/Array.h>
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#include <AK/Noncopyable.h>
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#include <AK/NonnullOwnPtr.h>
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#include <AK/Vector.h>
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class TrackManager {
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AK_MAKE_NONCOPYABLE(TrackManager);
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AK_MAKE_NONMOVABLE(TrackManager);
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public:
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TrackManager();
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~TrackManager();
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Track& current_track() { return *m_tracks[m_current_track]; }
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Span<const Sample> buffer() const { return m_current_front_buffer; }
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int octave() const { return m_octave; }
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int octave_base() const { return (m_octave - octave_min) * 12; }
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int time() const { return m_time; }
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void fill_buffer(Span<Sample>);
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void reset();
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void set_should_loop(bool b) { m_should_loop = b; }
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void set_note_current_octave(int note, Switch);
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void set_octave(Direction);
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void set_octave(int octave);
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void add_track();
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void next_track();
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private:
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Vector<NonnullOwnPtr<Track>> m_tracks;
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size_t m_current_track { 0 };
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Array<Sample, sample_count> m_front_buffer;
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Array<Sample, sample_count> m_back_buffer;
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Span<Sample> m_current_front_buffer { m_front_buffer.span() };
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Span<Sample> m_current_back_buffer { m_back_buffer.span() };
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int m_octave { 4 };
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u32 m_time { 0 };
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bool m_should_loop { true };
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};
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