Removed clock, music player, snake game (#4)

clock/application.fam

@@ -1,10 +0,0 @@
-App(
-    appid="clock",
-    name="Clock",
-    apptype=FlipperAppType.EXTERNAL,
-    entry_point="clock_app",
-    requires=["gui"],
-    stack_size=2 * 1024,
-    fap_icon="clock.png",
-    fap_category="Tools",
-)

clock/clock_app.c

@@ -1,136 +0,0 @@
-#include <furi.h>
-#include <furi_hal.h>
-
-#include <gui/gui.h>
-#include <locale/locale.h>
-
-typedef enum {
-    ClockEventTypeTick,
-    ClockEventTypeKey,
-} ClockEventType;
-
-typedef struct {
-    ClockEventType type;
-    InputEvent input;
-} ClockEvent;
-
-typedef struct {
-    FuriString* buffer;
-    FuriHalRtcDateTime datetime;
-    LocaleTimeFormat timeformat;
-    LocaleDateFormat dateformat;
-} ClockData;
-
-typedef struct {
-    FuriMutex* mutex;
-    FuriMessageQueue* queue;
-    ClockData* data;
-} Clock;
-
-static void clock_input_callback(InputEvent* input_event, FuriMessageQueue* queue) {
-    furi_assert(queue);
-    ClockEvent event = {.type = ClockEventTypeKey, .input = *input_event};
-    furi_message_queue_put(queue, &event, FuriWaitForever);
-}
-
-static void clock_render_callback(Canvas* canvas, void* ctx) {
-    Clock* clock = ctx;
-    if(furi_mutex_acquire(clock->mutex, 200) != FuriStatusOk) {
-        return;
-    }
-
-    ClockData* data = clock->data;
-
-    canvas_set_font(canvas, FontBigNumbers);
-    locale_format_time(data->buffer, &data->datetime, data->timeformat, true);
-    canvas_draw_str_aligned(
-        canvas, 64, 28, AlignCenter, AlignCenter, furi_string_get_cstr(data->buffer));
-
-    // Special case to cover missing glyphs in FontBigNumbers
-    if(data->timeformat == LocaleTimeFormat12h) {
-        size_t time_width = canvas_string_width(canvas, furi_string_get_cstr(data->buffer));
-        canvas_set_font(canvas, FontPrimary);
-        canvas_draw_str_aligned(
-            canvas,
-            64 + (time_width / 2) - 10,
-            31,
-            AlignLeft,
-            AlignCenter,
-            (data->datetime.hour > 11) ? "PM" : "AM");
-    }
-
-    canvas_set_font(canvas, FontSecondary);
-    locale_format_date(data->buffer, &data->datetime, data->dateformat, "/");
-    canvas_draw_str_aligned(
-        canvas, 64, 42, AlignCenter, AlignTop, furi_string_get_cstr(data->buffer));
-
-    furi_mutex_release(clock->mutex);
-}
-
-static void clock_tick(void* ctx) {
-    furi_assert(ctx);
-    FuriMessageQueue* queue = ctx;
-    ClockEvent event = {.type = ClockEventTypeTick};
-    // It's OK to loose this event if system overloaded
-    furi_message_queue_put(queue, &event, 0);
-}
-
-int32_t clock_app(void* p) {
-    UNUSED(p);
-    Clock* clock = malloc(sizeof(Clock));
-    clock->data = malloc(sizeof(ClockData));
-    clock->data->buffer = furi_string_alloc();
-
-    clock->queue = furi_message_queue_alloc(8, sizeof(ClockEvent));
-    clock->mutex = furi_mutex_alloc(FuriMutexTypeNormal);
-
-    furi_hal_rtc_get_datetime(&clock->data->datetime);
-    clock->data->timeformat = locale_get_time_format();
-    clock->data->dateformat = locale_get_date_format();
-
-    // Set ViewPort callbacks
-    ViewPort* view_port = view_port_alloc();
-    view_port_draw_callback_set(view_port, clock_render_callback, clock);
-    view_port_input_callback_set(view_port, clock_input_callback, clock->queue);
-
-    FuriTimer* timer = furi_timer_alloc(clock_tick, FuriTimerTypePeriodic, clock->queue);
-
-    // Open GUI and register view_port
-    Gui* gui = furi_record_open(RECORD_GUI);
-    gui_add_view_port(gui, view_port, GuiLayerFullscreen);
-
-    furi_timer_start(timer, 100);
-
-    // Main loop
-    ClockEvent event;
-    for(bool processing = true; processing;) {
-        furi_check(furi_message_queue_get(clock->queue, &event, FuriWaitForever) == FuriStatusOk);
-        furi_mutex_acquire(clock->mutex, FuriWaitForever);
-        if(event.type == ClockEventTypeKey) {
-            if(event.input.type == InputTypeShort && event.input.key == InputKeyBack) {
-                processing = false;
-            }
-        } else if(event.type == ClockEventTypeTick) {
-            furi_hal_rtc_get_datetime(&clock->data->datetime);
-        }
-
-        furi_mutex_release(clock->mutex);
-        view_port_update(view_port);
-    }
-
-    furi_timer_free(timer);
-    view_port_enabled_set(view_port, false);
-    gui_remove_view_port(gui, view_port);
-    view_port_free(view_port);
-    furi_record_close(RECORD_GUI);
-
-    furi_message_queue_free(clock->queue);
-    furi_mutex_free(clock->mutex);
-
-    furi_string_free(clock->data->buffer);
-
-    free(clock->data);
-    free(clock);
-
-    return 0;
-}

music_player/application.fam

@@ -1,16 +0,0 @@
-App(
-    appid="music_player",
-    name="Music Player",
-    apptype=FlipperAppType.EXTERNAL,
-    entry_point="music_player_app",
-    requires=[
-        "gui",
-        "dialogs",
-    ],
-    stack_size=2 * 1024,
-    order=20,
-    fap_icon="icons/music_10px.png",
-    fap_category="Media",
-    fap_icon_assets="icons",
-    fap_libs=["music_worker"],
-)

music_player/music_player.c

@@ -1,372 +0,0 @@
-#include <music_worker/music_worker.h>
-
-#include <furi.h>
-#include <furi_hal.h>
-
-#include <music_player_icons.h>
-#include <gui/gui.h>
-#include <dialogs/dialogs.h>
-#include <storage/storage.h>
-
-#define TAG "MusicPlayer"
-
-#define MUSIC_PLAYER_APP_EXTENSION "*"
-
-#define MUSIC_PLAYER_SEMITONE_HISTORY_SIZE 4
-
-typedef struct {
-    uint8_t semitone_history[MUSIC_PLAYER_SEMITONE_HISTORY_SIZE];
-    uint8_t duration_history[MUSIC_PLAYER_SEMITONE_HISTORY_SIZE];
-
-    uint8_t volume;
-    uint8_t semitone;
-    uint8_t dots;
-    uint8_t duration;
-    float position;
-} MusicPlayerModel;
-
-typedef struct {
-    MusicPlayerModel* model;
-    FuriMutex** model_mutex;
-
-    FuriMessageQueue* input_queue;
-
-    ViewPort* view_port;
-    Gui* gui;
-
-    MusicWorker* worker;
-} MusicPlayer;
-
-static const float MUSIC_PLAYER_VOLUMES[] = {0, .25, .5, .75, 1};
-
-static const char* semitone_to_note(int8_t semitone) {
-    switch(semitone) {
-    case 0:
-        return "C";
-    case 1:
-        return "C#";
-    case 2:
-        return "D";
-    case 3:
-        return "D#";
-    case 4:
-        return "E";
-    case 5:
-        return "F";
-    case 6:
-        return "F#";
-    case 7:
-        return "G";
-    case 8:
-        return "G#";
-    case 9:
-        return "A";
-    case 10:
-        return "A#";
-    case 11:
-        return "B";
-    default:
-        return "--";
-    }
-}
-
-static bool is_white_note(uint8_t semitone, uint8_t id) {
-    switch(semitone) {
-    case 0:
-        if(id == 0) return true;
-        break;
-    case 2:
-        if(id == 1) return true;
-        break;
-    case 4:
-        if(id == 2) return true;
-        break;
-    case 5:
-        if(id == 3) return true;
-        break;
-    case 7:
-        if(id == 4) return true;
-        break;
-    case 9:
-        if(id == 5) return true;
-        break;
-    case 11:
-        if(id == 6) return true;
-        break;
-    default:
-        break;
-    }
-
-    return false;
-}
-
-static bool is_black_note(uint8_t semitone, uint8_t id) {
-    switch(semitone) {
-    case 1:
-        if(id == 0) return true;
-        break;
-    case 3:
-        if(id == 1) return true;
-        break;
-    case 6:
-        if(id == 3) return true;
-        break;
-    case 8:
-        if(id == 4) return true;
-        break;
-    case 10:
-        if(id == 5) return true;
-        break;
-    default:
-        break;
-    }
-
-    return false;
-}
-
-static void render_callback(Canvas* canvas, void* ctx) {
-    MusicPlayer* music_player = ctx;
-    furi_check(furi_mutex_acquire(music_player->model_mutex, FuriWaitForever) == FuriStatusOk);
-
-    canvas_clear(canvas);
-    canvas_set_color(canvas, ColorBlack);
-    canvas_set_font(canvas, FontPrimary);
-    canvas_draw_str(canvas, 0, 12, "MusicPlayer");
-
-    uint8_t x_pos = 0;
-    uint8_t y_pos = 24;
-    const uint8_t white_w = 10;
-    const uint8_t white_h = 40;
-
-    const int8_t black_x = 6;
-    const int8_t black_y = -5;
-    const uint8_t black_w = 8;
-    const uint8_t black_h = 32;
-
-    // white keys
-    for(size_t i = 0; i < 7; i++) {
-        if(is_white_note(music_player->model->semitone, i)) {
-            canvas_draw_box(canvas, x_pos + white_w * i, y_pos, white_w + 1, white_h);
-        } else {
-            canvas_draw_frame(canvas, x_pos + white_w * i, y_pos, white_w + 1, white_h);
-        }
-    }
-
-    // black keys
-    for(size_t i = 0; i < 7; i++) {
-        if(i != 2 && i != 6) {
-            canvas_set_color(canvas, ColorWhite);
-            canvas_draw_box(
-                canvas, x_pos + white_w * i + black_x, y_pos + black_y, black_w + 1, black_h);
-            canvas_set_color(canvas, ColorBlack);
-            if(is_black_note(music_player->model->semitone, i)) {
-                canvas_draw_box(
-                    canvas, x_pos + white_w * i + black_x, y_pos + black_y, black_w + 1, black_h);
-            } else {
-                canvas_draw_frame(
-                    canvas, x_pos + white_w * i + black_x, y_pos + black_y, black_w + 1, black_h);
-            }
-        }
-    }
-
-    // volume view_port
-    x_pos = 124;
-    y_pos = 0;
-    const uint8_t volume_h =
-        (64 / (COUNT_OF(MUSIC_PLAYER_VOLUMES) - 1)) * music_player->model->volume;
-    canvas_draw_frame(canvas, x_pos, y_pos, 4, 64);
-    canvas_draw_box(canvas, x_pos, y_pos + (64 - volume_h), 4, volume_h);
-
-    // note stack view_port
-    x_pos = 73;
-    y_pos = 0; //-V1048
-    canvas_set_color(canvas, ColorBlack);
-    canvas_set_font(canvas, FontPrimary);
-    canvas_draw_frame(canvas, x_pos, y_pos, 49, 64);
-    canvas_draw_line(canvas, x_pos + 28, 0, x_pos + 28, 64);
-
-    char duration_text[16];
-    for(uint8_t i = 0; i < MUSIC_PLAYER_SEMITONE_HISTORY_SIZE; i++) {
-        if(music_player->model->duration_history[i] == 0xFF) {
-            snprintf(duration_text, 15, "--");
-        } else {
-            snprintf(duration_text, 15, "%d", music_player->model->duration_history[i]);
-        }
-
-        if(i == 0) {
-            canvas_draw_box(canvas, x_pos, y_pos + 48, 49, 16);
-            canvas_set_color(canvas, ColorWhite);
-        } else {
-            canvas_set_color(canvas, ColorBlack);
-        }
-        canvas_draw_str(
-            canvas,
-            x_pos + 4,
-            64 - 16 * i - 3,
-            semitone_to_note(music_player->model->semitone_history[i]));
-        canvas_draw_str(canvas, x_pos + 31, 64 - 16 * i - 3, duration_text);
-        canvas_draw_line(canvas, x_pos, 64 - 16 * i, x_pos + 48, 64 - 16 * i);
-    }
-
-    furi_mutex_release(music_player->model_mutex);
-}
-
-static void input_callback(InputEvent* input_event, void* ctx) {
-    MusicPlayer* music_player = ctx;
-    if(input_event->type == InputTypeShort) {
-        furi_message_queue_put(music_player->input_queue, input_event, 0);
-    }
-}
-
-static void music_worker_callback(
-    uint8_t semitone,
-    uint8_t dots,
-    uint8_t duration,
-    float position,
-    void* context) {
-    MusicPlayer* music_player = context;
-    furi_check(furi_mutex_acquire(music_player->model_mutex, FuriWaitForever) == FuriStatusOk);
-
-    for(size_t i = 0; i < MUSIC_PLAYER_SEMITONE_HISTORY_SIZE - 1; i++) {
-        size_t r = MUSIC_PLAYER_SEMITONE_HISTORY_SIZE - 1 - i;
-        music_player->model->duration_history[r] = music_player->model->duration_history[r - 1];
-        music_player->model->semitone_history[r] = music_player->model->semitone_history[r - 1];
-    }
-
-    semitone = (semitone == 0xFF) ? 0xFF : semitone % 12;
-
-    music_player->model->semitone = semitone;
-    music_player->model->dots = dots;
-    music_player->model->duration = duration;
-    music_player->model->position = position;
-
-    music_player->model->semitone_history[0] = semitone;
-    music_player->model->duration_history[0] = duration;
-
-    furi_mutex_release(music_player->model_mutex);
-    view_port_update(music_player->view_port);
-}
-
-void music_player_clear(MusicPlayer* instance) {
-    memset(instance->model->duration_history, 0xff, MUSIC_PLAYER_SEMITONE_HISTORY_SIZE);
-    memset(instance->model->semitone_history, 0xff, MUSIC_PLAYER_SEMITONE_HISTORY_SIZE);
-    music_worker_clear(instance->worker);
-}
-
-MusicPlayer* music_player_alloc() {
-    MusicPlayer* instance = malloc(sizeof(MusicPlayer));
-
-    instance->model = malloc(sizeof(MusicPlayerModel));
-    instance->model->volume = 3;
-
-    instance->model_mutex = furi_mutex_alloc(FuriMutexTypeNormal);
-
-    instance->input_queue = furi_message_queue_alloc(8, sizeof(InputEvent));
-
-    instance->worker = music_worker_alloc();
-    music_worker_set_volume(instance->worker, MUSIC_PLAYER_VOLUMES[instance->model->volume]);
-    music_worker_set_callback(instance->worker, music_worker_callback, instance);
-
-    music_player_clear(instance);
-
-    instance->view_port = view_port_alloc();
-    view_port_draw_callback_set(instance->view_port, render_callback, instance);
-    view_port_input_callback_set(instance->view_port, input_callback, instance);
-
-    // Open GUI and register view_port
-    instance->gui = furi_record_open(RECORD_GUI);
-    gui_add_view_port(instance->gui, instance->view_port, GuiLayerFullscreen);
-
-    return instance;
-}
-
-void music_player_free(MusicPlayer* instance) {
-    gui_remove_view_port(instance->gui, instance->view_port);
-    furi_record_close(RECORD_GUI);
-    view_port_free(instance->view_port);
-
-    music_worker_free(instance->worker);
-
-    furi_message_queue_free(instance->input_queue);
-
-    furi_mutex_free(instance->model_mutex);
-
-    free(instance->model);
-    free(instance);
-}
-
-int32_t music_player_app(void* p) {
-    MusicPlayer* music_player = music_player_alloc();
-
-    FuriString* file_path;
-    file_path = furi_string_alloc();
-
-    do {
-        if(p && strlen(p)) {
-            furi_string_set(file_path, (const char*)p);
-        } else {
-            Storage* storage = furi_record_open(RECORD_STORAGE);
-            storage_common_migrate(
-                storage, EXT_PATH("music_player"), STORAGE_APP_DATA_PATH_PREFIX);
-            furi_record_close(RECORD_STORAGE);
-
-            furi_string_set(file_path, STORAGE_APP_DATA_PATH_PREFIX);
-
-            DialogsFileBrowserOptions browser_options;
-            dialog_file_browser_set_basic_options(
-                &browser_options, MUSIC_PLAYER_APP_EXTENSION, &I_music_10px);
-            browser_options.hide_ext = false;
-            browser_options.base_path = STORAGE_APP_DATA_PATH_PREFIX;
-
-            DialogsApp* dialogs = furi_record_open(RECORD_DIALOGS);
-            bool res = dialog_file_browser_show(dialogs, file_path, file_path, &browser_options);
-
-            furi_record_close(RECORD_DIALOGS);
-
-            if(!res) {
-                FURI_LOG_E(TAG, "No file selected");
-                break;
-            }
-        }
-
-        if(!music_worker_load(music_player->worker, furi_string_get_cstr(file_path))) {
-            FURI_LOG_E(TAG, "Unable to load file");
-            break;
-        }
-
-        music_worker_start(music_player->worker);
-
-        InputEvent input;
-        while(furi_message_queue_get(music_player->input_queue, &input, FuriWaitForever) ==
-              FuriStatusOk) {
-            furi_check(
-                furi_mutex_acquire(music_player->model_mutex, FuriWaitForever) == FuriStatusOk);
-
-            if(input.key == InputKeyBack) {
-                furi_mutex_release(music_player->model_mutex);
-                break;
-            } else if(input.key == InputKeyUp) {
-                if(music_player->model->volume < COUNT_OF(MUSIC_PLAYER_VOLUMES) - 1)
-                    music_player->model->volume++;
-                music_worker_set_volume(
-                    music_player->worker, MUSIC_PLAYER_VOLUMES[music_player->model->volume]);
-            } else if(input.key == InputKeyDown) {
-                if(music_player->model->volume > 0) music_player->model->volume--;
-                music_worker_set_volume(
-                    music_player->worker, MUSIC_PLAYER_VOLUMES[music_player->model->volume]);
-            }
-
-            furi_mutex_release(music_player->model_mutex);
-            view_port_update(music_player->view_port);
-        }
-
-        music_worker_stop(music_player->worker);
-        if(p && strlen(p)) break; // Exit instead of going to browser if launched with arg
-        music_player_clear(music_player);
-    } while(1);
-
-    furi_string_free(file_path);
-    music_player_free(music_player);
-
-    return 0;
-}

snake_game/application.fam

@@ -1,11 +0,0 @@
-App(
-    appid="snake_game",
-    name="Snake Game",
-    apptype=FlipperAppType.EXTERNAL,
-    entry_point="snake_game_app",
-    requires=["gui"],
-    stack_size=1 * 1024,
-    order=30,
-    fap_icon="snake_10px.png",
-    fap_category="Games",
-)

snake_game/snake_game.c

@@ -1,434 +0,0 @@
-#include <furi.h>
-#include <gui/gui.h>
-#include <input/input.h>
-#include <stdlib.h>
-#include <dolphin/dolphin.h>
-#include <notification/notification.h>
-#include <notification/notification_messages.h>
-
-typedef struct {
-    //    +-----x
-    //    |
-    //    |
-    //    y
-    uint8_t x;
-    uint8_t y;
-} Point;
-
-typedef enum {
-    GameStateLife,
-
-    // https://melmagazine.com/en-us/story/snake-nokia-6110-oral-history-taneli-armanto
-    // Armanto: While testing the early versions of the game, I noticed it was hard
-    // to control the snake upon getting close to and edge but not crashing — especially
-    // in the highest speed levels. I wanted the highest level to be as fast as I could
-    // possibly make the device "run," but on the other hand, I wanted to be friendly
-    // and help the player manage that level. Otherwise it might not be fun to play. So
-    // I implemented a little delay. A few milliseconds of extra time right before
-    // the player crashes, during which she can still change the directions. And if
-    // she does, the game continues.
-    GameStateLastChance,
-
-    GameStateGameOver,
-} GameState;
-
-// Note: do not change without purpose. Current values are used in smart
-// orthogonality calculation in `snake_game_get_turn_snake`.
-typedef enum {
-    DirectionUp,
-    DirectionRight,
-    DirectionDown,
-    DirectionLeft,
-} Direction;
-
-#define MAX_SNAKE_LEN 253
-
-typedef struct {
-    Point points[MAX_SNAKE_LEN];
-    uint16_t len;
-    Direction currentMovement;
-    Direction nextMovement; // if backward of currentMovement, ignore
-    Point fruit;
-    GameState state;
-    FuriMutex* mutex;
-} SnakeState;
-
-typedef enum {
-    EventTypeTick,
-    EventTypeKey,
-} EventType;
-
-typedef struct {
-    EventType type;
-    InputEvent input;
-} SnakeEvent;
-
-const NotificationSequence sequence_fail = {
-    &message_vibro_on,
-
-    &message_note_ds4,
-    &message_delay_10,
-    &message_sound_off,
-    &message_delay_10,
-
-    &message_note_ds4,
-    &message_delay_10,
-    &message_sound_off,
-    &message_delay_10,
-
-    &message_note_ds4,
-    &message_delay_10,
-    &message_sound_off,
-    &message_delay_10,
-
-    &message_vibro_off,
-    NULL,
-};
-
-const NotificationSequence sequence_eat = {
-    &message_note_c7,
-    &message_delay_50,
-    &message_sound_off,
-    NULL,
-};
-
-static void snake_game_render_callback(Canvas* const canvas, void* ctx) {
-    furi_assert(ctx);
-    const SnakeState* snake_state = ctx;
-
-    furi_mutex_acquire(snake_state->mutex, FuriWaitForever);
-
-    // Frame
-    canvas_draw_frame(canvas, 0, 0, 128, 64);
-
-    // Fruit
-    Point f = snake_state->fruit;
-    f.x = f.x * 4 + 1;
-    f.y = f.y * 4 + 1;
-    canvas_draw_rframe(canvas, f.x, f.y, 6, 6, 2);
-
-    // Snake
-    for(uint16_t i = 0; i < snake_state->len; i++) {
-        Point p = snake_state->points[i];
-        p.x = p.x * 4 + 2;
-        p.y = p.y * 4 + 2;
-        canvas_draw_box(canvas, p.x, p.y, 4, 4);
-    }
-
-    // Game Over banner
-    if(snake_state->state == GameStateGameOver) {
-        // Screen is 128x64 px
-        canvas_set_color(canvas, ColorWhite);
-        canvas_draw_box(canvas, 34, 20, 62, 24);
-
-        canvas_set_color(canvas, ColorBlack);
-        canvas_draw_frame(canvas, 34, 20, 62, 24);
-
-        canvas_set_font(canvas, FontPrimary);
-        canvas_draw_str(canvas, 37, 31, "Game Over");
-
-        canvas_set_font(canvas, FontSecondary);
-        char buffer[12];
-        snprintf(buffer, sizeof(buffer), "Score: %u", snake_state->len - 7U);
-        canvas_draw_str_aligned(canvas, 64, 41, AlignCenter, AlignBottom, buffer);
-    }
-
-    furi_mutex_release(snake_state->mutex);
-}
-
-static void snake_game_input_callback(InputEvent* input_event, FuriMessageQueue* event_queue) {
-    furi_assert(event_queue);
-
-    SnakeEvent event = {.type = EventTypeKey, .input = *input_event};
-    furi_message_queue_put(event_queue, &event, FuriWaitForever);
-}
-
-static void snake_game_update_timer_callback(FuriMessageQueue* event_queue) {
-    furi_assert(event_queue);
-
-    SnakeEvent event = {.type = EventTypeTick};
-    furi_message_queue_put(event_queue, &event, 0);
-}
-
-static void snake_game_init_game(SnakeState* const snake_state) {
-    Point p[] = {{8, 6}, {7, 6}, {6, 6}, {5, 6}, {4, 6}, {3, 6}, {2, 6}};
-    memcpy(snake_state->points, p, sizeof(p)); //-V1086
-
-    snake_state->len = 7;
-
-    snake_state->currentMovement = DirectionRight;
-
-    snake_state->nextMovement = DirectionRight;
-
-    Point f = {18, 6};
-    snake_state->fruit = f;
-
-    snake_state->state = GameStateLife;
-}
-
-static Point snake_game_get_new_fruit(SnakeState const* const snake_state) {
-    // 1 bit for each point on the playing field where the snake can turn
-    // and where the fruit can appear
-    uint16_t buffer[8];
-    memset(buffer, 0, sizeof(buffer));
-    uint8_t empty = 8 * 16;
-
-    for(uint16_t i = 0; i < snake_state->len; i++) {
-        Point p = snake_state->points[i];
-
-        if(p.x % 2 != 0 || p.y % 2 != 0) {
-            continue;
-        }
-        p.x /= 2;
-        p.y /= 2;
-
-        buffer[p.y] |= 1 << p.x;
-        empty--;
-    }
-    // Bit set if snake use that playing field
-
-    uint16_t newFruit = rand() % empty;
-
-    // Skip random number of _empty_ fields
-    for(uint8_t y = 0; y < 8; y++) {
-        for(uint16_t x = 0, mask = 1; x < 16; x += 1, mask <<= 1) {
-            if((buffer[y] & mask) == 0) {
-                if(newFruit == 0) {
-                    Point p = {
-                        .x = x * 2,
-                        .y = y * 2,
-                    };
-                    return p;
-                }
-                newFruit--;
-            }
-        }
-    }
-    // We will never be here
-    Point p = {0, 0};
-    return p;
-}
-
-static bool snake_game_collision_with_frame(Point const next_step) {
-    // if x == 0 && currentMovement == left then x - 1 == 255 ,
-    // so check only x > right border
-    return next_step.x > 30 || next_step.y > 14;
-}
-
-static bool
-    snake_game_collision_with_tail(SnakeState const* const snake_state, Point const next_step) {
-    for(uint16_t i = 0; i < snake_state->len; i++) {
-        Point p = snake_state->points[i];
-        if(p.x == next_step.x && p.y == next_step.y) {
-            return true;
-        }
-    }
-
-    return false;
-}
-
-static Direction snake_game_get_turn_snake(SnakeState const* const snake_state) {
-    // Sum of two `Direction` lies between 0 and 6, odd values indicate orthogonality.
-    bool is_orthogonal = (snake_state->currentMovement + snake_state->nextMovement) % 2 == 1;
-    return is_orthogonal ? snake_state->nextMovement : snake_state->currentMovement;
-}
-
-static Point snake_game_get_next_step(SnakeState const* const snake_state) {
-    Point next_step = snake_state->points[0];
-    switch(snake_state->currentMovement) {
-    // +-----x
-    // |
-    // |
-    // y
-    case DirectionUp:
-        next_step.y--;
-        break;
-    case DirectionRight:
-        next_step.x++;
-        break;
-    case DirectionDown:
-        next_step.y++;
-        break;
-    case DirectionLeft:
-        next_step.x--;
-        break;
-    }
-    return next_step;
-}
-
-static void snake_game_move_snake(SnakeState* const snake_state, Point const next_step) {
-    memmove(snake_state->points + 1, snake_state->points, snake_state->len * sizeof(Point));
-    snake_state->points[0] = next_step;
-}
-
-static void
-    snake_game_process_game_step(SnakeState* const snake_state, NotificationApp* notification) {
-    if(snake_state->state == GameStateGameOver) {
-        return;
-    }
-
-    bool can_turn = (snake_state->points[0].x % 2 == 0) && (snake_state->points[0].y % 2 == 0);
-    if(can_turn) {
-        snake_state->currentMovement = snake_game_get_turn_snake(snake_state);
-    }
-
-    Point next_step = snake_game_get_next_step(snake_state);
-
-    bool crush = snake_game_collision_with_frame(next_step);
-    if(crush) {
-        if(snake_state->state == GameStateLife) {
-            snake_state->state = GameStateLastChance;
-            return;
-        } else if(snake_state->state == GameStateLastChance) {
-            snake_state->state = GameStateGameOver;
-            notification_message_block(notification, &sequence_fail);
-            return;
-        }
-    } else {
-        if(snake_state->state == GameStateLastChance) {
-            snake_state->state = GameStateLife;
-        }
-    }
-
-    crush = snake_game_collision_with_tail(snake_state, next_step);
-    if(crush) {
-        snake_state->state = GameStateGameOver;
-        notification_message_block(notification, &sequence_fail);
-        return;
-    }
-
-    bool eatFruit = (next_step.x == snake_state->fruit.x) && (next_step.y == snake_state->fruit.y);
-    if(eatFruit) {
-        snake_state->len++;
-        if(snake_state->len >= MAX_SNAKE_LEN) {
-            snake_state->state = GameStateGameOver;
-            notification_message_block(notification, &sequence_fail);
-            return;
-        }
-    }
-
-    snake_game_move_snake(snake_state, next_step);
-
-    if(eatFruit) {
-        snake_state->fruit = snake_game_get_new_fruit(snake_state);
-        notification_message(notification, &sequence_eat);
-    }
-}
-
-int32_t snake_game_app(void* p) {
-    UNUSED(p);
-
-    FuriMessageQueue* event_queue = furi_message_queue_alloc(8, sizeof(SnakeEvent));
-
-    SnakeState* snake_state = malloc(sizeof(SnakeState));
-    snake_game_init_game(snake_state);
-
-    snake_state->mutex = furi_mutex_alloc(FuriMutexTypeNormal);
-
-    if(!snake_state->mutex) {
-        FURI_LOG_E("SnakeGame", "cannot create mutex\r\n");
-        free(snake_state);
-        return 255;
-    }
-
-    ViewPort* view_port = view_port_alloc();
-    view_port_draw_callback_set(view_port, snake_game_render_callback, snake_state);
-    view_port_input_callback_set(view_port, snake_game_input_callback, event_queue);
-
-    FuriTimer* timer =
-        furi_timer_alloc(snake_game_update_timer_callback, FuriTimerTypePeriodic, event_queue);
-    furi_timer_start(timer, furi_kernel_get_tick_frequency() / 4);
-
-    // Open GUI and register view_port
-    Gui* gui = furi_record_open(RECORD_GUI);
-    gui_add_view_port(gui, view_port, GuiLayerFullscreen);
-    NotificationApp* notification = furi_record_open(RECORD_NOTIFICATION);
-
-    notification_message_block(notification, &sequence_display_backlight_enforce_on);
-
-    dolphin_deed(DolphinDeedPluginGameStart);
-
-    SnakeEvent event;
-    for(bool processing = true; processing;) {
-        FuriStatus event_status = furi_message_queue_get(event_queue, &event, 100);
-
-        furi_mutex_acquire(snake_state->mutex, FuriWaitForever);
-
-        if(event_status == FuriStatusOk) {
-            // press events
-            if(event.type == EventTypeKey) {
-                if(event.input.type == InputTypePress) {
-                    switch(event.input.key) {
-                    case InputKeyUp:
-                        snake_state->nextMovement = DirectionUp;
-                        break;
-                    case InputKeyDown:
-                        snake_state->nextMovement = DirectionDown;
-                        break;
-                    case InputKeyRight:
-                        snake_state->nextMovement = DirectionRight;
-                        break;
-                    case InputKeyLeft:
-                        snake_state->nextMovement = DirectionLeft;
-                        break;
-                    case InputKeyOk:
-                        if(snake_state->state == GameStateGameOver) {
-                            snake_game_init_game(snake_state);
-                        }
-                        break;
-                    case InputKeyBack:
-                        processing = false;
-                        break;
-                    default:
-                        break;
-                    }
-                }
-            } else if(event.type == EventTypeTick) {
-                snake_game_process_game_step(snake_state, notification);
-            }
-        } else {
-            // event timeout
-        }
-
-        view_port_update(view_port);
-        furi_mutex_release(snake_state->mutex);
-    }
-
-    // Return backlight to normal state
-    notification_message(notification, &sequence_display_backlight_enforce_auto);
-
-    furi_timer_free(timer);
-    view_port_enabled_set(view_port, false);
-    gui_remove_view_port(gui, view_port);
-    furi_record_close(RECORD_GUI);
-    furi_record_close(RECORD_NOTIFICATION);
-    view_port_free(view_port);
-    furi_message_queue_free(event_queue);
-    furi_mutex_free(snake_state->mutex);
-    free(snake_state);
-
-    return 0;
-}
-
-// Screen is 128x64 px
-// (4 + 4) * 16 - 4 + 2 + 2border == 128
-// (4 + 4) * 8 - 4 + 2 + 2border == 64
-// Game field from point{x:  0, y: 0} to point{x: 30, y: 14}.
-// The snake turns only in even cells - intersections.
-// ┌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌┐
-// ╎ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ╎
-// ╎ ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪ ╎
-// ╎ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ╎
-// ╎ ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪ ╎
-// ╎ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ╎
-// ╎ ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪ ╎
-// ╎ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ╎
-// ╎ ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪ ╎
-// ╎ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ╎
-// ╎ ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪ ╎
-// ╎ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ╎
-// ╎ ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪ ╎
-// ╎ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ╎
-// ╎ ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪   ▪ ╎
-// ╎ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ╎
-// └╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌┘