transpose.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/formatted_title.h"
#include "gui/menu_item/source/transpose.h"
#include "gui/ui/sound_editor.h"
#include "model/instrument/kit.h"
#include "model/model_stack.h"
#include "model/song/song.h"
#include "processing/sound/sound.h"
#include "processing/sound/sound_drum.h"
#include "storage/multi_range/multisample_range.h"
 
// NOTE: This is actually the Oscillator transpose!
 
namespace deluge::gui::menu_item::sample {
class Transpose final : public source::Transpose, public FormattedTitle {
public:
    Transpose(l10n::String name, l10n::String title_format_str, int32_t newP, uint8_t source_id)
        : source::Transpose(name, newP, source_id), FormattedTitle(title_format_str, source_id + 1) {}
 
    [[nodiscard]] std::string_view getTitle() const override { return FormattedTitle::title(); }
 
    void readCurrentValue() override {
        int32_t transpose = 0;
        int32_t cents = 0;
 
        Source& source = soundEditor.currentSound->sources[source_id_];
 
        if (source.ranges.getNumElements() && soundEditor.currentSound->getSynthMode() != SynthMode::FM
            && source.oscType == OscType::SAMPLE) {
            const auto* multiRange = static_cast<MultisampleRange*>(source.ranges.getElement(0));
            transpose = multiRange->sampleHolder.transpose;
            cents = multiRange->sampleHolder.cents;
        }
        else {
            transpose = source.transpose;
            cents = source.cents;
        }
        this->setValue(computeCurrentValueForTranspose(transpose, cents));
    }
 
    bool usesAffectEntire() override { return true; }
 
    void writeCurrentValue() override {
        int32_t transpose, cents;
        computeFinalValuesForTranspose(this->getValue(), &transpose, &cents);
 
        // If affect-entire button held, do whole kit
        if (currentUIMode == UI_MODE_HOLDING_AFFECT_ENTIRE_IN_SOUND_EDITOR && soundEditor.editingKit()) {
 
            Kit* kit = getCurrentKit();
 
            for (Drum* thisDrum = kit->firstDrum; thisDrum != nullptr; thisDrum = thisDrum->next) {
                if (thisDrum->type == DrumType::SOUND) {
                    auto* soundDrum = static_cast<SoundDrum*>(thisDrum);
                    Source& source = soundDrum->sources[source_id_];
 
                    if (source.ranges.getNumElements() && soundDrum->getSynthMode() != SynthMode::FM
                        && source.oscType == OscType::SAMPLE) {
                        auto* multisampleRange = static_cast<MultisampleRange*>(source.ranges.getElement(0));
                        multisampleRange->sampleHolder.transpose = transpose;
                        multisampleRange->sampleHolder.setCents(cents);
                    }
                    else {
                        source.transpose = transpose;
                        source.setCents(cents);
                    }
 
                    char modelStackMemoryForSoundDrum[MODEL_STACK_MAX_SIZE];
                    ModelStackWithSoundFlags* modelStackForSoundDrum =
                        getModelStackFromSoundDrum(modelStackMemoryForSoundDrum, soundDrum)->addSoundFlags();
 
                    soundDrum->recalculateAllVoicePhaseIncrements(modelStackForSoundDrum);
                }
            }
        }
        // Or, the normal case of just one sound
        else {
            Source& source = soundEditor.currentSound->sources[source_id_];
 
            if (source.ranges.getNumElements() && soundEditor.currentSound->getSynthMode() != SynthMode::FM
                && source.oscType == OscType::SAMPLE) {
                auto* multisampleRange = static_cast<MultisampleRange*>(source.ranges.getElement(0));
                multisampleRange->sampleHolder.transpose = transpose;
                multisampleRange->sampleHolder.setCents(cents);
            }
            else {
                source.transpose = transpose;
                source.setCents(cents);
            }
 
            char modelStackMemory[MODEL_STACK_MAX_SIZE];
            ModelStackWithSoundFlags* modelStack = soundEditor.getCurrentModelStack(modelStackMemory)->addSoundFlags();
 
            soundEditor.currentSound->recalculateAllVoicePhaseIncrements(modelStack);
        }
    }
 
    MenuPermission checkPermissionToBeginSession(ModControllableAudio* modControllable, int32_t,
                                                 ::MultiRange** currentRange) override {
        if (!isRelevant(modControllable, source_id_)) {
            return MenuPermission::NO;
        }
 
        const auto sound = static_cast<Sound*>(modControllable);
        const Source& source = sound->sources[source_id_];
 
        if (sound->getSynthMode() == SynthMode::FM
            || (source.oscType != OscType::SAMPLE && source.oscType != OscType::WAVETABLE)) {
            return MenuPermission::YES;
        }
 
        return soundEditor.checkPermissionToBeginSessionForRangeSpecificParam(sound, source_id_, currentRange);
    }
 
    bool isRangeDependent() override { return true; }
 
    bool isRelevant(ModControllableAudio* modControllable, int32_t) override {
        const auto sound = static_cast<Sound*>(modControllable);
        if (Source& source = sound->sources[source_id_];
            source.oscType == OscType::SAMPLE || source.oscType == OscType::WAVETABLE) {
            return source.hasAtLeastOneAudioFileLoaded();
        }
        return true;
    }
};
} // namespace deluge::gui::menu_item::sample