interpolation.h

/*
 * Copyright (c) 2014-2023 Synthstrom Audible Limited
 *
 * This file is part of The Synthstrom Audible Deluge Firmware.
 *
 * The Synthstrom Audible Deluge Firmware 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.
 *
 * 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, see <https://www.gnu.org/licenses/>.
 */
#pragma once
#include "gui/menu_item/audio_interpolation.h"
#include "gui/menu_item/formatted_title.h"
#include "model/sample/sample_controls.h"
#include "processing/sound/sound.h"
#include "utils.h"
 
namespace deluge::gui::menu_item::sample {
class Interpolation final : public AudioInterpolation, public FormattedTitle {
public:
    Interpolation(l10n::String name, l10n::String title_format_str, uint8_t source_id)
        : AudioInterpolation(name), FormattedTitle(title_format_str, source_id + 1), source_id_{source_id} {}
 
    [[nodiscard]] std::string_view getTitle() const override { return FormattedTitle::title(); }
 
    void readCurrentValue() override {
        const auto& sampleControls = getCurrentSampleControls(source_id_);
        setValue(sampleControls.interpolationMode);
    }
 
    void writeCurrentValue() override {
        const auto current_value = getValue<InterpolationMode>();
 
        // If affect-entire button held, do whole kit
        if (currentUIMode == UI_MODE_HOLDING_AFFECT_ENTIRE_IN_SOUND_EDITOR && soundEditor.editingKitRow()) {
 
            const Kit* kit = getCurrentKit();
 
            for (Drum* thisDrum = kit->firstDrum; thisDrum != nullptr; thisDrum = thisDrum->next) {
                if (thisDrum->type == DrumType::SOUND) {
                    auto* soundDrum = static_cast<SoundDrum*>(thisDrum);
                    // Note: we need to apply the same filtering as stated in the isRelevant() function
                    Source* source = &soundDrum->sources[source_id_];
                    source->sampleControls.interpolationMode = current_value;
                }
            }
        }
        // Or, the normal case of just one sound
        else {
            auto& sampleControls = getCurrentSampleControls(source_id_);
            sampleControls.interpolationMode = current_value;
        }
    }
 
    bool isRelevant(ModControllableAudio* modControllable, int32_t) override {
        if (getCurrentAudioClip() != nullptr) {
            return true;
        }
        const auto sound = static_cast<Sound*>(modControllable);
        Source& source = sound->sources[source_id_];
        return sound->getSynthMode() == ::SynthMode::SUBTRACTIVE
               && ((source.oscType == OscType::SAMPLE && source.hasAtLeastOneAudioFileLoaded())
                   || source.oscType == OscType::INPUT_L || source.oscType == OscType::INPUT_R
                   || source.oscType == OscType::INPUT_STEREO);
    }
 
    void getColumnLabel(StringBuf& label) override {
        label.append(l10n::get(l10n::String::STRING_FOR_INTERPOLATION_SHORT));
    }
 
private:
    uint8_t source_id_;
};
} // namespace deluge::gui::menu_item::sample