detune.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/integer.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"
 
namespace deluge::gui::menu_item::unison {
class Detune final : public Integer {
public:
    using Integer::Integer;
 
    void readCurrentValue() override { this->setValue(soundEditor.currentSound->unisonDetune); }
    bool usesAffectEntire() override { return true; }
    void writeCurrentValue() override {
        int32_t current_value = this->getValue();
 
        // If affect-entire button held, do whole kit
        if (currentUIMode == UI_MODE_HOLDING_AFFECT_ENTIRE_IN_SOUND_EDITOR && soundEditor.editingKitRow()) {
 
            Kit* kit = getCurrentKit();
 
            for (Drum* thisDrum = kit->firstDrum; thisDrum != nullptr; thisDrum = thisDrum->next) {
                if (thisDrum->type == DrumType::SOUND) {
                    auto* soundDrum = static_cast<SoundDrum*>(thisDrum);
 
                    char modelStackMemoryForSoundDrum[MODEL_STACK_MAX_SIZE];
                    ModelStackWithSoundFlags* modelStackForSoundDrum =
                        getModelStackFromSoundDrum(modelStackMemoryForSoundDrum, soundDrum)->addSoundFlags();
 
                    soundDrum->setUnisonDetune(current_value, modelStackForSoundDrum);
                }
            }
        }
        // Or, the normal case of just one sound
        else {
            char modelStackMemory[MODEL_STACK_MAX_SIZE];
            ModelStackWithSoundFlags* modelStack = soundEditor.getCurrentModelStack(modelStackMemory)->addSoundFlags();
 
            soundEditor.currentSound->setUnisonDetune(current_value, modelStack);
        }
    }
    [[nodiscard]] int32_t getMaxValue() const override { return kMaxUnisonDetune; }
 
    void renderInHorizontalMenu(int32_t startX, int32_t width, int32_t startY, int32_t height) override {
        oled_canvas::Canvas& image = OLED::main;
 
        const float t = getValue() / 50.0f;
 
        for (int i = 0; i < 3; ++i) {
            constexpr int32_t lineSpacing = 5;
            constexpr int32_t maxYOffset = 4;
 
            const int32_t y = startY + 3 + i * lineSpacing;
            const int32_t x0 = startX + 7;
            const int32_t x1 = startX + width - 7;
 
            if (i == 0) {
                // Top line
                const int32_t offset = static_cast<int32_t>(maxYOffset * t * 0.30f);
                image.drawLine(x0, y, x1, y + offset);
            }
            else if (i == 1) {
                // Middle line
                const int32_t offset = static_cast<int32_t>(maxYOffset * t * 0.5f);
                image.drawLine(x0, y - offset, x1, y + offset);
 
                if (t > 0.7 && t < 1) {
                    image.clearPixel(x0, y - offset);
                    image.clearPixel(x1, y + offset);
                    image.drawPixel(x0, y - offset - 1);
                    image.drawPixel(x1, y + offset + 1);
                }
            }
            else if (i == 2) {
                // Bottom line
                int32_t offset = y - static_cast<int32_t>(maxYOffset * t * 0.8f);
                if (t > 0 && offset == y) {
                    offset -= 1;
                }
 
                image.drawLine(x0, offset, x1 - 8, y);
                image.drawHorizontalLine(y, x1 - 8, x1);
            }
        }
    }
};
} // namespace deluge::gui::menu_item::unison