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Merge branch 'main' into simon-port

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voloved
2025-11-20 18:27:59 -05:00
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commit 889f0f6ff0
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614
legacy/watch_faces/complication/endless_runner_face.c
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/*
* MIT License
*
* Copyright (c) 2024 <David Volovskiy>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <stdlib.h>
#include <string.h>
#include "endless_runner_face.h"
typedef enum {
JUMPING_FINAL_FRAME = 0,
NOT_JUMPING,
JUMPING_START,
} RunnerJumpState;
typedef enum {
SCREEN_TITLE = 0,
SCREEN_PLAYING,
SCREEN_LOSE,
SCREEN_TIME,
SCREEN_COUNT
} RunnerCurrScreen;
typedef enum {
DIFF_BABY = 0, // FREQ_SLOW FPS; MIN_ZEROES 0's min; Jump is JUMP_FRAMES_EASY frames
DIFF_EASY, // FREQ FPS; MIN_ZEROES 0's min; Jump is JUMP_FRAMES_EASY frames
DIFF_NORM, // FREQ FPS; MIN_ZEROES 0's min; Jump is JUMP_FRAMES frames
DIFF_HARD, // FREQ FPS; MIN_ZEROES_HARD 0's min; jump is JUMP_FRAMES frames
DIFF_FUEL, // Mode where the top-right displays the amoount of fuel that you can be above the ground for, dodging obstacles. When on the ground, your fuel recharges.
DIFF_FUEL_1, // Same as DIFF_FUEL, but if your fuel is 0, then you won't recharge
DIFF_COUNT
} RunnerDifficulty;
#define NUM_GRID 12 // This the length that the obstacle track can be on
#define FREQ 8 // Frequency request for the game
#define FREQ_SLOW 4 // Frequency request for baby mode
#define JUMP_FRAMES 2 // Wait this many frames on difficulties above EASY before coming down from the jump button pressed
#define JUMP_FRAMES_EASY 3 // Wait this many frames on difficulties at or below EASY before coming down from the jump button pressed
#define MIN_ZEROES 4 // At minimum, we'll have this many spaces between obstacles
#define MIN_ZEROES_HARD 3 // At minimum, we'll have this many spaces between obstacles on hard mode
#define MAX_HI_SCORE 9999 // Max hi score to store and display on the title screen.
#define MAX_DISP_SCORE 39 // The top-right digits can't properly display above 39
#define JUMP_FRAMES_FUEL 30 // The max fuel that fuel that the fuel mode game will hold
#define JUMP_FRAMES_FUEL_RECHARGE 3 // How much fuel each frame on the ground adds
#define MAX_DISP_SCORE_FUEL 9 // Since the fuel mode displays the score in the weekday slot, two digits will display wonky data
typedef struct {
uint32_t obst_pattern;
uint16_t obst_indx : 8;
uint16_t jump_state : 5;
uint16_t sec_before_moves : 3;
uint16_t curr_score : 10;
uint16_t curr_screen : 4;
bool loc_2_on;
bool loc_3_on;
bool success_jump;
bool fuel_mode;
uint8_t fuel;
} game_state_t;
static game_state_t game_state;
static const uint8_t _num_bits_obst_pattern = sizeof(game_state.obst_pattern) * 8;
static void print_binary(uint32_t value, int bits) {
#if __EMSCRIPTEN__
for (int i = bits - 1; i >= 0; i--) {
// Print each bit
printf("%lu", (value >> i) & 1);
// Optional: add a space every 4 bits for readability
if (i % 4 == 0 && i != 0) {
printf(" ");
}
}
printf("\r\n");
#else
(void) value;
(void) bits;
#endif
return;
}
static uint32_t get_random(uint32_t max) {
#if __EMSCRIPTEN__
return rand() % max;
#else
return arc4random_uniform(max);
#endif
}
static uint32_t get_random_nonzero(uint32_t max) {
uint32_t random;
do
{
random = get_random(max);
} while (random == 0);
return random;
}
static uint32_t get_random_kinda_nonzero(uint32_t max) {
// Returns a number that's between 1 and max, unless max is 0 or 1, then it returns 0 to max.
if (max == 0) return 0;
else if (max == 1) return get_random(max);
return get_random_nonzero(max);
}
static uint32_t get_random_fuel(uint32_t prev_val) {
static uint8_t prev_rand_subset = 0;
uint32_t rand;
uint8_t max_ones, subset;
uint32_t rand_legal = 0;
prev_val = prev_val & ~0xFFFF;
for (int i = 0; i < 2; i++) {
subset = 0;
max_ones = 8;
if (prev_rand_subset > 4)
max_ones -= prev_rand_subset;
rand = get_random_kinda_nonzero(max_ones);
if (rand > 5 && prev_rand_subset) rand = 5; // The gap of one or two is awkward
for (uint32_t j = 0; j < rand; j++) {
subset |= (1 << j);
}
if (prev_rand_subset >= 7)
subset = subset << 1;
subset &= 0xFF;
rand_legal |= subset << (8 * i);
prev_rand_subset = rand;
}
rand_legal = prev_val | rand_legal;
print_binary(rand_legal, 32);
return rand_legal;
}
static uint32_t get_random_legal(uint32_t prev_val, uint16_t difficulty) {
/** @brief A legal random number starts with the previous number (which should be the 12 bits on the screen).
* @param prev_val The previous value to tack onto. The return will have its first NUM_GRID MSBs be the same as prev_val, and the rest be new
* @param difficulty To dictate how spread apart the obsticles must be
* @return the new random value, where it's first NUM_GRID MSBs are the same as prev_val
*/
uint8_t min_zeros = (difficulty == DIFF_HARD) ? MIN_ZEROES_HARD : MIN_ZEROES;
uint32_t max = (1 << (_num_bits_obst_pattern - NUM_GRID)) - 1;
uint32_t rand = get_random_nonzero(max);
uint32_t rand_legal = 0;
prev_val = prev_val & ~max;
for (int i = (NUM_GRID + 1); i <= _num_bits_obst_pattern; i++) {
uint32_t mask = 1 << (_num_bits_obst_pattern - i);
bool msb = (rand & mask) >> (_num_bits_obst_pattern - i);
if (msb) {
rand_legal = rand_legal << min_zeros;
i+=min_zeros;
}
rand_legal |= msb;
rand_legal = rand_legal << 1;
}
rand_legal = rand_legal & max;
for (int i = 0; i <= min_zeros; i++) {
if (prev_val & (1 << (i + _num_bits_obst_pattern - NUM_GRID))){
rand_legal = rand_legal >> (min_zeros - i);
break;
}
}
rand_legal = prev_val | rand_legal;
print_binary(rand_legal, 32);
return rand_legal;
}
static void display_ball(bool jumping) {
if (!jumping) {
watch_set_pixel(0, 21);
watch_set_pixel(1, 21);
watch_set_pixel(0, 20);
watch_set_pixel(1, 20);
watch_clear_pixel(1, 17);
watch_clear_pixel(2, 20);
watch_clear_pixel(2, 21);
}
else {
watch_clear_pixel(0, 21);
watch_clear_pixel(1, 21);
watch_clear_pixel(0, 20);
watch_set_pixel(1, 20);
watch_set_pixel(1, 17);
watch_set_pixel(2, 20);
watch_set_pixel(2, 21);
}
}
static void display_score(uint8_t score) {
char buf[3];
if (game_state.fuel_mode) {
score %= (MAX_DISP_SCORE_FUEL + 1);
sprintf(buf, "%1d", score);
watch_display_string(buf, 0);
}
else {
score %= (MAX_DISP_SCORE + 1);
sprintf(buf, "%2d", score);
watch_display_string(buf, 2);
}
}
static void add_to_score(endless_runner_state_t *state) {
if (game_state.curr_score <= MAX_HI_SCORE) {
game_state.curr_score++;
if (game_state.curr_score > state -> hi_score)
state -> hi_score = game_state.curr_score;
}
game_state.success_jump = true;
display_score(game_state.curr_score);
}
static void display_fuel(uint8_t subsecond, uint8_t difficulty) {
char buf[4];
if (difficulty == DIFF_FUEL_1 && game_state.fuel == 0 && subsecond % (FREQ/2) == 0) {
watch_display_string(" ", 2); // Blink the 0 fuel to show it cannot be refilled.
return;
}
sprintf(buf, "%2d", game_state.fuel);
watch_display_string(buf, 2);
}
static void check_and_reset_hi_score(endless_runner_state_t *state) {
// Resets the hi score at the beginning of each month.
watch_date_time_t date_time = watch_rtc_get_date_time();
if ((state -> year_last_hi_score != date_time.unit.year) ||
(state -> month_last_hi_score != date_time.unit.month))
{
// The high score resets itself every new month.
state -> hi_score = 0;
state -> year_last_hi_score = date_time.unit.year;
state -> month_last_hi_score = date_time.unit.month;
}
}
static void display_difficulty(uint16_t difficulty) {
switch (difficulty)
{
case DIFF_BABY:
watch_display_string(" b", 2);
break;
case DIFF_EASY:
watch_display_string(" E", 2);
break;
case DIFF_HARD:
watch_display_string(" H", 2);
break;
case DIFF_FUEL:
watch_display_string(" F", 2);
break;
case DIFF_FUEL_1:
watch_display_string("1F", 2);
break;
case DIFF_NORM:
default:
watch_display_string(" N", 2);
break;
}
game_state.fuel_mode = difficulty >= DIFF_FUEL && difficulty <= DIFF_FUEL_1;
}
static void change_difficulty(endless_runner_state_t *state) {
state -> difficulty = (state -> difficulty + 1) % DIFF_COUNT;
display_difficulty(state -> difficulty);
if (state -> soundOn) {
if (state -> difficulty == 0) watch_buzzer_play_note(BUZZER_NOTE_B4, 30);
else watch_buzzer_play_note(BUZZER_NOTE_C5, 30);
}
}
static void toggle_sound(endless_runner_state_t *state) {
state -> soundOn = !state -> soundOn;
if (state -> soundOn){
watch_buzzer_play_note(BUZZER_NOTE_C5, 30);
watch_set_indicator(WATCH_INDICATOR_BELL);
}
else {
watch_clear_indicator(WATCH_INDICATOR_BELL);
}
}
static void display_title(endless_runner_state_t *state) {
uint16_t hi_score = state -> hi_score;
uint8_t difficulty = state -> difficulty;
bool sound_on = state -> soundOn;
game_state.curr_screen = SCREEN_TITLE;
memset(&game_state, 0, sizeof(game_state));
game_state.sec_before_moves = 1; // The first obstacles will all be 0s, which is about an extra second of delay.
if (sound_on) game_state.sec_before_moves--; // Start chime is about 1 second
watch_set_colon();
if (hi_score > MAX_HI_SCORE) {
watch_display_string("ER HS --", 0);
}
else {
char buf[14];
sprintf(buf, "ER HS%4d", hi_score);
watch_display_string(buf, 0);
}
display_difficulty(difficulty);
}
static void display_time(watch_date_time_t date_time, bool clock_mode_24h) {
static watch_date_time_t previous_date_time;
char buf[6 + 1];
// If the hour needs updating or it's the first time displaying the time
if ((game_state.curr_screen != SCREEN_TIME) || (date_time.unit.hour != previous_date_time.unit.hour)) {
uint8_t hour = date_time.unit.hour;
game_state.curr_screen = SCREEN_TIME;
if (clock_mode_24h) watch_set_indicator(WATCH_INDICATOR_24H);
else {
if (hour >= 12) watch_set_indicator(WATCH_INDICATOR_PM);
hour %= 12;
if (hour == 0) hour = 12;
}
watch_set_colon();
sprintf( buf, "%2d%02d ", hour, date_time.unit.minute);
watch_display_string(buf, 4);
}
// If both digits of the minute need updating
else if ((date_time.unit.minute / 10) != (previous_date_time.unit.minute / 10)) {
sprintf( buf, "%02d ", date_time.unit.minute);
watch_display_string(buf, 6);
}
// If only the ones-place of the minute needs updating.
else if (date_time.unit.minute != previous_date_time.unit.minute) {
sprintf( buf, "%d ", date_time.unit.minute % 10);
watch_display_string(buf, 7);
}
previous_date_time.reg = date_time.reg;
}
static void begin_playing(endless_runner_state_t *state) {
uint8_t difficulty = state -> difficulty;
game_state.curr_screen = SCREEN_PLAYING;
watch_clear_colon();
movement_request_tick_frequency((state -> difficulty == DIFF_BABY) ? FREQ_SLOW : FREQ);
if (game_state.fuel_mode) {
watch_display_string(" ", 0);
game_state.obst_pattern = get_random_fuel(0);
if ((16 * JUMP_FRAMES_FUEL_RECHARGE) < JUMP_FRAMES_FUEL) // 16 frames of zeros at the start of a level
game_state.fuel = JUMP_FRAMES_FUEL - (16 * JUMP_FRAMES_FUEL_RECHARGE); // Have it below its max to show it counting up when starting.
if (game_state.fuel < JUMP_FRAMES_FUEL_RECHARGE) game_state.fuel = JUMP_FRAMES_FUEL_RECHARGE;
}
else {
watch_display_string(" ", 2);
game_state.obst_pattern = get_random_legal(0, difficulty);
}
game_state.jump_state = NOT_JUMPING;
display_ball(game_state.jump_state != NOT_JUMPING);
display_score( game_state.curr_score);
if (state -> soundOn){
watch_buzzer_play_note(BUZZER_NOTE_C5, 200);
watch_buzzer_play_note(BUZZER_NOTE_E5, 200);
watch_buzzer_play_note(BUZZER_NOTE_G5, 200);
}
}
static void display_lose_screen(endless_runner_state_t *state) {
game_state.curr_screen = SCREEN_LOSE;
game_state.curr_score = 0;
watch_display_string(" LOSE ", 0);
if (state -> soundOn)
watch_buzzer_play_note(BUZZER_NOTE_A1, 600);
else
delay_ms(600);
}
static void display_obstacle(bool obstacle, int grid_loc, endless_runner_state_t *state) {
static bool prev_obst_pos_two = 0;
switch (grid_loc)
{
case 2:
game_state.loc_2_on = obstacle;
if (obstacle)
watch_set_pixel(0, 20);
else if (game_state.jump_state != NOT_JUMPING) {
watch_clear_pixel(0, 20);
if (game_state.fuel_mode && prev_obst_pos_two)
add_to_score(state);
}
prev_obst_pos_two = obstacle;
break;
case 3:
game_state.loc_3_on = obstacle;
if (obstacle)
watch_set_pixel(1, 21);
else if (game_state.jump_state != NOT_JUMPING)
watch_clear_pixel(1, 21);
break;
case 1:
if (!game_state.fuel_mode && obstacle) // If an obstacle is here, it means the ball cleared it
add_to_score(state);
//fall through
case 0:
case 5:
if (obstacle)
watch_set_pixel(0, 18 + grid_loc);
else
watch_clear_pixel(0, 18 + grid_loc);
break;
case 4:
if (obstacle)
watch_set_pixel(1, 22);
else
watch_clear_pixel(1, 22);
break;
case 6:
if (obstacle)
watch_set_pixel(1, 0);
else
watch_clear_pixel(1, 0);
break;
case 7:
case 8:
if (obstacle)
watch_set_pixel(0, grid_loc - 6);
else
watch_clear_pixel(0, grid_loc - 6);
break;
case 9:
case 10:
if (obstacle)
watch_set_pixel(0, grid_loc - 5);
else
watch_clear_pixel(0, grid_loc - 5);
break;
case 11:
if (obstacle)
watch_set_pixel(1, 6);
else
watch_clear_pixel(1, 6);
break;
default:
break;
}
}
static void stop_jumping(endless_runner_state_t *state) {
game_state.jump_state = NOT_JUMPING;
display_ball(game_state.jump_state != NOT_JUMPING);
if (state -> soundOn){
if (game_state.success_jump)
watch_buzzer_play_note(BUZZER_NOTE_C5, 60);
else
watch_buzzer_play_note(BUZZER_NOTE_C3, 60);
}
game_state.success_jump = false;
}
static void display_obstacles(endless_runner_state_t *state) {
for (int i = 0; i < NUM_GRID; i++) {
// Use a bitmask to isolate each bit and shift it to the least significant position
uint32_t mask = 1 << ((_num_bits_obst_pattern - 1) - i);
bool obstacle = (game_state.obst_pattern & mask) >> ((_num_bits_obst_pattern - 1) - i);
display_obstacle(obstacle, i, state);
}
game_state.obst_pattern = game_state.obst_pattern << 1;
game_state.obst_indx++;
if (game_state.fuel_mode) {
if (game_state.obst_indx >= (_num_bits_obst_pattern / 2)) {
game_state.obst_indx = 0;
game_state.obst_pattern = get_random_fuel(game_state.obst_pattern);
}
}
else if (game_state.obst_indx >= _num_bits_obst_pattern - NUM_GRID) {
game_state.obst_indx = 0;
game_state.obst_pattern = get_random_legal(game_state.obst_pattern, state -> difficulty);
}
}
static void update_game(endless_runner_state_t *state, uint8_t subsecond) {
uint8_t curr_jump_frame = 0;
if (game_state.sec_before_moves != 0) {
if (subsecond == 0) --game_state.sec_before_moves;
return;
}
display_obstacles(state);
switch (game_state.jump_state)
{
case NOT_JUMPING:
if (game_state.fuel_mode) {
for (int i = 0; i < JUMP_FRAMES_FUEL_RECHARGE; i++)
{
if(game_state.fuel >= JUMP_FRAMES_FUEL || (state -> difficulty == DIFF_FUEL_1 && !game_state.fuel))
break;
game_state.fuel++;
}
}
break;
case JUMPING_FINAL_FRAME:
stop_jumping(state);
break;
default:
if (game_state.fuel_mode) {
if (!game_state.fuel)
game_state.jump_state = JUMPING_FINAL_FRAME;
else
game_state.fuel--;
if (!HAL_GPIO_BTN_ALARM_read() && !HAL_GPIO_BTN_LIGHT_read()) stop_jumping(state);
}
else {
curr_jump_frame = game_state.jump_state - NOT_JUMPING;
if (curr_jump_frame >= JUMP_FRAMES_EASY || (state -> difficulty >= DIFF_NORM && curr_jump_frame >= JUMP_FRAMES))
game_state.jump_state = JUMPING_FINAL_FRAME;
else
game_state.jump_state++;
}
break;
}
if (game_state.jump_state == NOT_JUMPING && (game_state.loc_2_on || game_state.loc_3_on)) {
delay_ms(200); // To show the player jumping onto the obstacle before displaying the lose screen.
display_lose_screen(state);
}
else if (game_state.fuel_mode)
display_fuel(subsecond, state -> difficulty);
}
void endless_runner_face_setup(uint8_t watch_face_index, void ** context_ptr) {
(void) watch_face_index;
if (*context_ptr == NULL) {
*context_ptr = malloc(sizeof(endless_runner_state_t));
memset(*context_ptr, 0, sizeof(endless_runner_state_t));
endless_runner_state_t *state = (endless_runner_state_t *)*context_ptr;
state->difficulty = DIFF_NORM;
}
}
void endless_runner_face_activate(void *context) {
(void) context;
}
bool endless_runner_face_loop(movement_event_t event, void *context) {
endless_runner_state_t *state = (endless_runner_state_t *)context;
switch (event.event_type) {
case EVENT_ACTIVATE:
check_and_reset_hi_score(state);
if (state -> soundOn) watch_set_indicator(WATCH_INDICATOR_BELL);
display_title(state);
break;
case EVENT_TICK:
switch (game_state.curr_screen)
{
case SCREEN_TITLE:
case SCREEN_LOSE:
break;
default:
update_game(state, event.subsecond);
break;
}
break;
case EVENT_LIGHT_BUTTON_UP:
case EVENT_ALARM_BUTTON_UP:
if (game_state.curr_screen == SCREEN_TITLE)
begin_playing(state);
else if (game_state.curr_screen == SCREEN_LOSE)
display_title(state);
break;
case EVENT_LIGHT_LONG_PRESS:
if (game_state.curr_screen == SCREEN_TITLE)
change_difficulty(state);
break;
case EVENT_LIGHT_BUTTON_DOWN:
case EVENT_ALARM_BUTTON_DOWN:
if (game_state.curr_screen == SCREEN_PLAYING && game_state.jump_state == NOT_JUMPING){
if (game_state.fuel_mode && !game_state.fuel) break;
game_state.jump_state = JUMPING_START;
display_ball(game_state.jump_state != NOT_JUMPING);
}
break;
case EVENT_ALARM_LONG_PRESS:
if (game_state.curr_screen != SCREEN_PLAYING)
toggle_sound(state);
break;
case EVENT_TIMEOUT:
if (game_state.curr_screen != SCREEN_TITLE)
display_title(state);
break;
case EVENT_LOW_ENERGY_UPDATE:
display_time(watch_rtc_get_date_time(), movement_clock_mode_24h());
break;
default:
return movement_default_loop_handler(event);
}
return true;
}
void endless_runner_face_resign(void *context) {
(void) context;
}

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legacy/watch_faces/complication/endless_runner_face.h
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/*
* MIT License
*
* Copyright (c) 2024 <David Volovskiy>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef ENDLESS_RUNNER_FACE_H_
#define ENDLESS_RUNNER_FACE_H_
#include "movement.h"
/*
ENDLESS_RUNNER face
This is a basic endless-runner, like the [Chrome Dino game](https://en.wikipedia.org/wiki/Dinosaur_Game).
On the title screen, you can select a difficulty by long-pressing LIGHT or toggle sound by long-pressing ALARM.
LED or ALARM are used to jump.
High-score is displayed on the top-right on the title screen. During a game, the current score is displayed.
*/
typedef struct {
uint16_t hi_score : 10;
uint8_t difficulty : 3;
uint8_t month_last_hi_score : 4;
uint8_t year_last_hi_score : 6;
uint8_t soundOn : 1;
/* 24 bits, likely aligned to 32 bits = 4 bytes */
} endless_runner_state_t;
void endless_runner_face_setup(uint8_t watch_face_index, void ** context_ptr);
void endless_runner_face_activate(void *context);
bool endless_runner_face_loop(movement_event_t event, void *context);
void endless_runner_face_resign(void *context);
#define endless_runner_face ((const watch_face_t){ \
endless_runner_face_setup, \
endless_runner_face_activate, \
endless_runner_face_loop, \
endless_runner_face_resign, \
NULL, \
})
#endif // ENDLESS_RUNNER_FACE_H_

393
legacy/watch_faces/complication/higher_lower_game_face.c
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/*
* MIT License
*
* Copyright (c) 2023 Chris Ellis
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
// Emulator only: need time() to seed the random number generator.
#if __EMSCRIPTEN__
#include <time.h>
#endif
#include <stdlib.h>
#include <string.h>
#include "higher_lower_game_face.h"
#include "watch_private_display.h"
#define TITLE_TEXT "Hi-Lo"
#define GAME_BOARD_SIZE 6
#define MAX_BOARDS 40
#define GUESSES_PER_SCREEN 5
#define WIN_SCORE (MAX_BOARDS * GUESSES_PER_SCREEN)
#define STATUS_DISPLAY_START 0
#define BOARD_SCORE_DISPLAY_START 2
#define BOARD_DISPLAY_START 4
#define BOARD_DISPLAY_END 9
#define MIN_CARD_VALUE 2
#define MAX_CARD_VALUE 14
#define CARD_RANK_COUNT (MAX_CARD_VALUE - MIN_CARD_VALUE + 1)
#define CARD_SUIT_COUNT 4
#define DECK_SIZE (CARD_SUIT_COUNT * CARD_RANK_COUNT)
#define FLIP_BOARD_DIRECTION false
typedef struct card_t {
uint8_t value;
bool revealed;
} card_t;
typedef enum {
A, B, C, D, E, F, G
} segment_t;
typedef enum {
HL_GUESS_EQUAL,
HL_GUESS_HIGHER,
HL_GUESS_LOWER
} guess_t;
typedef enum {
HL_GS_TITLE_SCREEN,
HL_GS_GUESSING,
HL_GS_WIN,
HL_GS_LOSE,
HL_GS_SHOW_SCORE,
} game_state_t;
static game_state_t game_state = HL_GS_TITLE_SCREEN;
static card_t game_board[GAME_BOARD_SIZE] = {0};
static uint8_t guess_position = 0;
static uint8_t score = 0;
static uint8_t completed_board_count = 0;
static uint8_t deck[DECK_SIZE] = {0};
static uint8_t current_card = 0;
static uint8_t generate_random_number(uint8_t num_values) {
// Emulator: use rand. Hardware: use arc4random.
#if __EMSCRIPTEN__
return rand() % num_values;
#else
return arc4random_uniform(num_values);
#endif
}
static void stack_deck(void) {
for (size_t i = 0; i < CARD_RANK_COUNT; i++) {
for (size_t j = 0; j < CARD_SUIT_COUNT; j++)
deck[(i * CARD_SUIT_COUNT) + j] = MIN_CARD_VALUE + i;
}
}
static void shuffle_deck(void) {
// Randomize shuffle with Fisher Yates
size_t i;
size_t j;
uint8_t tmp;
for (i = DECK_SIZE - 1; i > 0; i--) {
j = generate_random_number(0xFF) % (i + 1);
tmp = deck[j];
deck[j] = deck[i];
deck[i] = tmp;
}
}
static void reset_deck(void) {
current_card = 0;
stack_deck();
shuffle_deck();
}
static uint8_t get_next_card(void) {
if (current_card >= DECK_SIZE)
reset_deck();
return deck[current_card++];
}
static void reset_board(bool first_round) {
// First card is random on the first board, and carried over from the last position on subsequent boards
const uint8_t first_card_value = first_round
? get_next_card()
: game_board[GAME_BOARD_SIZE - 1].value;
game_board[0].value = first_card_value;
game_board[0].revealed = true; // Always reveal first card
// Fill remainder of board
for (size_t i = 1; i < GAME_BOARD_SIZE; ++i) {
game_board[i] = (card_t) {
.value = get_next_card(),
.revealed = false
};
}
}
static void init_game(void) {
watch_clear_display();
watch_display_string(TITLE_TEXT, BOARD_DISPLAY_START);
watch_display_string("GA", STATUS_DISPLAY_START);
reset_deck();
reset_board(true);
score = 0;
completed_board_count = 0;
guess_position = 1;
}
static void set_segment_at_position(segment_t segment, uint8_t position) {
const uint64_t position_segment_data = (Segment_Map[position] >> (8 * (uint8_t) segment)) & 0xFF;
const uint8_t com_pin = position_segment_data >> 6;
const uint8_t seg = position_segment_data & 0x3F;
watch_set_pixel(com_pin, seg);
}
static void render_board_position(size_t board_position) {
const size_t display_position = FLIP_BOARD_DIRECTION
? BOARD_DISPLAY_START + board_position
: BOARD_DISPLAY_END - board_position;
const bool revealed = game_board[board_position].revealed;
//// Current position indicator spot
//if (board_position == guess_position) {
// watch_display_character('-', display_position);
// return;
//}
if (!revealed) {
// Higher or lower indicator (currently just an empty space)
watch_display_character(' ', display_position);
//set_segment_at_position(F, display_position);
return;
}
const uint8_t value = game_board[board_position].value;
switch (value) {
case 14: // A (≡)
watch_display_character(' ', display_position);
set_segment_at_position(A, display_position);
set_segment_at_position(D, display_position);
set_segment_at_position(G, display_position);
break;
case 13: // K (=)
watch_display_character(' ', display_position);
set_segment_at_position(A, display_position);
set_segment_at_position(D, display_position);
break;
case 12: // Q (-)
watch_display_character('-', display_position);
break;
default: {
const char display_char = (value - MIN_CARD_VALUE) + '0';
watch_display_character(display_char, display_position);
}
}
}
static void render_board(void) {
for (size_t i = 0; i < GAME_BOARD_SIZE; ++i) {
render_board_position(i);
}
}
static void render_board_count(void) {
// Render completed boards (screens)
char buf[3] = {0};
snprintf(buf, sizeof(buf), "%2hhu", completed_board_count);
watch_display_string(buf, BOARD_SCORE_DISPLAY_START);
}
static void render_final_score(void) {
watch_display_string("SC", STATUS_DISPLAY_START);
char buf[7] = {0};
const uint8_t complete_boards = score / GUESSES_PER_SCREEN;
snprintf(buf, sizeof(buf), "%2hu %03hu", complete_boards, score);
watch_set_colon();
watch_display_string(buf, BOARD_DISPLAY_START);
}
static guess_t get_answer(void) {
if (guess_position < 1 || guess_position > GAME_BOARD_SIZE)
return HL_GUESS_EQUAL; // Maybe add an error state, shouldn't ever hit this.
game_board[guess_position].revealed = true;
const uint8_t previous_value = game_board[guess_position - 1].value;
const uint8_t current_value = game_board[guess_position].value;
if (current_value > previous_value)
return HL_GUESS_HIGHER;
else if (current_value < previous_value)
return HL_GUESS_LOWER;
else
return HL_GUESS_EQUAL;
}
static void do_game_loop(guess_t user_guess) {
switch (game_state) {
case HL_GS_TITLE_SCREEN:
init_game();
render_board();
render_board_count();
game_state = HL_GS_GUESSING;
break;
case HL_GS_GUESSING: {
const guess_t answer = get_answer();
// Render answer indicator
switch (answer) {
case HL_GUESS_EQUAL:
watch_display_string("==", STATUS_DISPLAY_START);
break;
case HL_GUESS_HIGHER:
watch_display_string("HI", STATUS_DISPLAY_START);
break;
case HL_GUESS_LOWER:
watch_display_string("LO", STATUS_DISPLAY_START);
break;
}
// Scoring
if (answer == user_guess) {
score++;
} else if (answer == HL_GUESS_EQUAL) {
// No score for two consecutive identical cards
} else {
// Incorrect guess, game over
watch_display_string("GO", STATUS_DISPLAY_START);
game_board[guess_position].revealed = true;
render_board_position(guess_position);
game_state = HL_GS_LOSE;
return;
}
if (score >= WIN_SCORE) {
// Win, perhaps some kind of animation sequence?
watch_display_string("WI", STATUS_DISPLAY_START);
watch_display_string(" ", BOARD_SCORE_DISPLAY_START);
watch_display_string("------", BOARD_DISPLAY_START);
game_state = HL_GS_WIN;
return;
}
// Next guess position
const bool final_board_guess = guess_position == GAME_BOARD_SIZE - 1;
if (final_board_guess) {
// Seed new board
completed_board_count++;
render_board_count();
guess_position = 1;
reset_board(false);
render_board();
} else {
guess_position++;
render_board_position(guess_position - 1);
render_board_position(guess_position);
}
break;
}
case HL_GS_WIN:
case HL_GS_LOSE:
// Show score screen on button press from either state
watch_clear_display();
render_final_score();
game_state = HL_GS_SHOW_SCORE;
break;
case HL_GS_SHOW_SCORE:
watch_clear_display();
watch_display_string(TITLE_TEXT, BOARD_DISPLAY_START);
watch_display_string("GA", STATUS_DISPLAY_START);
game_state = HL_GS_TITLE_SCREEN;
break;
default:
watch_display_string("ERROR", BOARD_DISPLAY_START);
break;
}
}
static void light_button_handler(void) {
do_game_loop(HL_GUESS_HIGHER);
}
static void alarm_button_handler(void) {
do_game_loop(HL_GUESS_LOWER);
}
void higher_lower_game_face_setup(uint8_t watch_face_index, void **context_ptr) {
(void) watch_face_index;
if (*context_ptr == NULL) {
*context_ptr = malloc(sizeof(higher_lower_game_face_state_t));
memset(*context_ptr, 0, sizeof(higher_lower_game_face_state_t));
// Do any one-time tasks in here; the inside of this conditional happens only at boot.
memset(game_board, 0, sizeof(game_board));
}
// Do any pin or peripheral setup here; this will be called whenever the watch wakes from deep sleep.
}
void higher_lower_game_face_activate(void *context) {
higher_lower_game_face_state_t *state = (higher_lower_game_face_state_t *) context;
(void) state;
// Handle any tasks related to your watch face coming on screen.
game_state = HL_GS_TITLE_SCREEN;
}
bool higher_lower_game_face_loop(movement_event_t event, void *context) {
higher_lower_game_face_state_t *state = (higher_lower_game_face_state_t *) context;
(void) state;
switch (event.event_type) {
case EVENT_ACTIVATE:
// Show your initial UI here.
watch_display_string(TITLE_TEXT, BOARD_DISPLAY_START);
watch_display_string("GA", STATUS_DISPLAY_START);
break;
case EVENT_TICK:
// If needed, update your display here.
break;
case EVENT_LIGHT_BUTTON_UP:
light_button_handler();
break;
case EVENT_LIGHT_BUTTON_DOWN:
// Don't trigger light
break;
case EVENT_ALARM_BUTTON_UP:
alarm_button_handler();
break;
case EVENT_TIMEOUT:
// Your watch face will receive this event after a period of inactivity. If it makes sense to resign,
// you may uncomment this line to move back to the first watch face in the list:
// movement_move_to_face(0);
break;
default:
return movement_default_loop_handler(event);
}
// return true if the watch can enter standby mode. Generally speaking, you should always return true.
// Exceptions:
// * If you are displaying a color using the low-level watch_set_led_color function, you should return false.
// * If you are sounding the buzzer using the low-level watch_set_buzzer_on function, you should return false.
// Note that if you are driving the LED or buzzer using Movement functions like movement_illuminate_led or
// movement_play_alarm, you can still return true. This guidance only applies to the low-level watch_ functions.
return true;
}
void higher_lower_game_face_resign(void *context) {
(void) context;
// handle any cleanup before your watch face goes off-screen.
}

106
legacy/watch_faces/complication/higher_lower_game_face.h
View File

@@ -1,106 +0,0 @@
/*
* MIT License
*
* Copyright (c) 2023 Chris Ellis
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef HIGHER_LOWER_GAME_FACE_H_
#define HIGHER_LOWER_GAME_FACE_H_
#include "movement.h"
/*
* Higher-Lower game face
* ======================
*
* A game face based on the "higher-lower" card game where the objective is to correctly guess if the next card will
* be higher or lower than the last revealed cards.
*
* Game Flow:
* - When the face is selected, the "Hi-Lo" "Title" screen will be displayed, and the status indicator will display "GA" for game
* - Pressing `ALARM` or `LIGHT` will start the game and proceed to the "Guessing" screen
* - The first card will be revealed and the player must now make a guess
* - A player can guess `Higher` by pressing the `LIGHT` button, and `Lower` by pressing the `ALARM` button
* - The status indicator will show the result of the guess: HI (Higher), LO (Lower), or == (Equal)
* - There are five guesses to make on each game screen, once the end of the screen is reached, a new screen
* will be started, with the last revealed card carried over
* - The number of completed screens is displayed in the top right (see Scoring)
* - If the player has guessed correctly, the score is updated and play continues (see Scoring)
* - If the player has guessed incorrectly, the status will change to GO (Game Over)
* - The current card will be revealed
* - Pressing `ALARM` or `LIGHT` will transition to the "Score" screen
* - If the game is won, the status indicator will display "WI" and the "Win" screen will be displayed
* - Pressing `ALARM` or `LIGHT` will transition to the "Score" screen
* - The status indicator will change to "SC" when the final score is displayed
* - The number of completed game screens will be displayed on using the first two digits
* - The number of correct guesses will be displayed using the final three digits
* - E.g. "13: 063" represents 13 completed screens, with 63 correct guesses
* - Pressing `ALARM` or `LIGHT` while on the "Score" screen will transition to back to the "Title" screen
*
* Scoring:
* - If the player guesses correctly (HI/LO) a point is gained
* - If the player guesses incorrectly the game ends
* - Unless the revealed card is equal (==) to the last card, in which case play continues, but no point is gained
* - If the player completes 40 screens full of cards, the game ends and a win screen is displayed
*
* Misc:
* The face tries to remain true to the spirit of using "cards"; to cope with the display limitations I've arrived at
* the following mapping of card values to screen display, but am open to better suggestions:
*
* Thanks to voloved for adding deck shuffling and drawing!
*
* | Cards | |
* |---------|--------------------------|
* | Value |2|3|4|5|6|7|8|9|10|J|Q|K|A|
* | Display |0|1|2|3|4|5|6|7|8 |9|-|=|≡|
*
* A previous alternative can be found in the git history:
* | Cards | |
* |---------|--------------------------|
* | Value |2|3|4|5|6|7|8|9|10|J|Q|K|A|
* | Display |2|3|4|5|6|7|8|9| 0|-|=|≡|H|
*
*
* Future Ideas:
* - Add sounds
* - Save/Display high score
* - Add a "Win" animation
* - Consider using lap indicator for larger score limit
*/
typedef struct {
// Anything you need to keep track of, put it here!
} higher_lower_game_face_state_t;
void higher_lower_game_face_setup(uint8_t watch_face_index, void ** context_ptr);
void higher_lower_game_face_activate(void *context);
bool higher_lower_game_face_loop(movement_event_t event, void *context);
void higher_lower_game_face_resign(void *context);
#define higher_lower_game_face ((const watch_face_t){ \
higher_lower_game_face_setup, \
higher_lower_game_face_activate, \
higher_lower_game_face_loop, \
higher_lower_game_face_resign, \
NULL, \
})
#endif // HIGHER_LOWER_GAME_FACE_H_