probability.h

/*
 * Copyright (c) 2024 Sean Ditny
 *
 * 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 "definitions_cxx.hpp"
#include "gui/menu_item/note_row/selected_note_row.h"
#include "gui/ui/sound_editor.h"
#include "gui/views/instrument_clip_view.h"
#include "hid/display/oled.h"
#include "model/model_stack.h"
#include "model/note/note_row.h"
#include "model/song/song.h"
 
namespace deluge::gui::menu_item::note_row {
using namespace deluge::hid::display;
 
class Probability final : public SelectedNoteRow {
public:
    using SelectedNoteRow::SelectedNoteRow;
 
    [[nodiscard]] int32_t getMaxValue() const override { return (kNumProbabilityValues | 127); }
    [[nodiscard]] int32_t getMinValue() const override { return 1; }

    void beginSession(MenuItem* navigatedBackwardFrom = nullptr) override { readValueAgain(); }
 
    void readCurrentValue() override {
        char modelStackMemory[MODEL_STACK_MAX_SIZE];
        ModelStackWithTimelineCounter* modelStack = currentSong->setupModelStackWithCurrentClip(modelStackMemory);
        ModelStackWithNoteRow* modelStackWithNoteRow = getIndividualNoteRow(modelStack);
 
        if (modelStackWithNoteRow->getNoteRowAllowNull() != nullptr) {
            NoteRow* noteRow = modelStackWithNoteRow->getNoteRowAllowNull();
            this->setValue(noteRow->probabilityValue);
            updateDisplay();
        }
    }
 
    void selectEncoderAction(int32_t offset) override {
        int32_t newValue = instrumentClipView.setNoteRowProbabilityWithOffset(offset);
        if (newValue != -1) {
            this->setValue(newValue);
            updateDisplay();
        }
    }
 
    void drawPixelsForOled() override {
        char buffer[20];
        bool latching = false;
 
        intToString(getProbabilityValue(latching), buffer);
        strcat(buffer, "%");
        if (latching) {
            strcat(buffer, " (L)");
        }
 
        OLED::main.drawStringCentred(buffer, 18 + OLED_MAIN_TOPMOST_PIXEL, kTextHugeSpacingX, kTextHugeSizeY);
    }
 
    void renderInHorizontalMenu(const SlotPosition& slot) override {
        char buffer[20];
        bool latching = false;
 
        intToString(getProbabilityValue(latching), buffer);
        strcat(buffer, latching ? "L" : "%");
 
        OLED::main.drawStringCentered(buffer, slot.start_x, slot.start_y + kHorizontalMenuSlotYOffset, kTextSpacingX,
                                      kTextSpacingY, slot.width);
    }
 
    void drawValue() override {
        char buffer[20];
        bool latching = false;
 
        intToString(getProbabilityValue(latching), buffer);
 
        display->setText(buffer, true, latching ? 3 : 255);
    }
 
    void getNotificationValue(StringBuf& valueBuf) override {
        bool latching = false;
        valueBuf.appendInt(getProbabilityValue(latching));
        valueBuf.append("%");
 
        if (latching) {
            valueBuf.append(" ltch");
        }
    }
 
    void writeCurrentValue() override { ; }
 
private:
    int32_t getProbabilityValue(bool& latching) {
        int32_t probability = this->getValue();
 
        // if it's a latching probability, remove latching from value
        if (probability > kNumProbabilityValues) {
            probability &= 127;
            latching = true;
        }
 
        return probability * 5;
    }
};
} // namespace deluge::gui::menu_item::note_row