diff options
Diffstat (limited to 'movement/watch_faces/complication/probability_face.c')
| -rw-r--r-- | movement/watch_faces/complication/probability_face.c | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/movement/watch_faces/complication/probability_face.c b/movement/watch_faces/complication/probability_face.c new file mode 100644 index 00000000..7b056b33 --- /dev/null +++ b/movement/watch_faces/complication/probability_face.c @@ -0,0 +1,182 @@ +/* + * MIT License + * + * Copyright (c) 2022 Spencer Bywater + * + * 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 "probability_face.h" + +#define DEFAULT_DICE_SIDES 2 +#define PROBABILITY_ANIMATION_TICK_FREQUENCY 8 +const uint16_t NUM_DICE_TYPES = 8; // Keep this consistent with # of dice types below +const uint16_t DICE_TYPES[] = {2, 4, 6, 8, 10, 12, 20, 100}; + + +// -------------- +// Custom methods +// -------------- + +static void display_dice_roll(probability_state_t *state) { + char buf[8]; + if (state->rolled_value == 0) { + if (state->dice_sides == 100) { + sprintf(buf, " C "); + } else { + sprintf(buf, "%2d ", state->dice_sides); + } + } else if (state->dice_sides == 2) { + if (state->rolled_value == 1) { + sprintf(buf, "%2d H", state->dice_sides); + } else { + sprintf(buf, "%2d T", state->dice_sides); + } + } else if (state->dice_sides == 100) { + sprintf(buf, " C %3d", state->rolled_value); + } else { + sprintf(buf, "%2d %3d", state->dice_sides, state->rolled_value); + } + watch_display_string(buf, 4); +} + +static void generate_random_number(probability_state_t *state) { + // Emulator: use rand. Hardware: use arc4random. + #if __EMSCRIPTEN__ + state->rolled_value = rand() % state->dice_sides + 1; + #else + state->rolled_value = arc4random_uniform(state->dice_sides) + 1; + #endif +} + +static void display_dice_roll_animation(probability_state_t *state) { + if (state->is_rolling) { + if (state->animation_frame == 0) { + watch_display_string(" ", 7); + watch_set_pixel(1, 4); + watch_set_pixel(1, 6); + state->animation_frame = 1; + } else if (state->animation_frame == 1) { + watch_clear_pixel(1, 4); + watch_clear_pixel(1, 6); + watch_set_pixel(2, 4); + watch_set_pixel(0, 6); + state->animation_frame = 2; + } else if (state->animation_frame == 2) { + watch_clear_pixel(2, 4); + watch_clear_pixel(0, 6); + watch_set_pixel(2, 5); + watch_set_pixel(0, 5); + state->animation_frame = 3; + } else if (state->animation_frame == 3) { + state->animation_frame = 0; + state->is_rolling = false; + movement_request_tick_frequency(1); + display_dice_roll(state); + } + } +} + + +// --------------------------- +// Standard watch face methods +// --------------------------- +void probability_face_setup(movement_settings_t *settings, uint8_t watch_face_index, void ** context_ptr) { + (void) settings; + (void) watch_face_index; + if (*context_ptr == NULL) { + *context_ptr = malloc(sizeof(probability_state_t)); + memset(*context_ptr, 0, sizeof(probability_state_t)); + } + // Emulator only: Seed random number generator + #if __EMSCRIPTEN__ + srand(time(NULL)); + #endif +} + +void probability_face_activate(movement_settings_t *settings, void *context) { + (void) settings; + probability_state_t *state = (probability_state_t *)context; + + state->dice_sides = DEFAULT_DICE_SIDES; + state->rolled_value = 0; + watch_display_string("PR", 0); +} + +bool probability_face_loop(movement_event_t event, movement_settings_t *settings, void *context) { + (void) settings; + probability_state_t *state = (probability_state_t *)context; + + if (state->is_rolling && event.event_type != EVENT_TICK) { + return true; + } + + switch (event.event_type) { + case EVENT_ACTIVATE: + display_dice_roll(state); + break; + case EVENT_TICK: + display_dice_roll_animation(state); + break; + case EVENT_MODE_BUTTON_UP: + movement_move_to_next_face(); + break; + case EVENT_LIGHT_BUTTON_UP: + // Change how many sides the die has + for (int i = 0; i < NUM_DICE_TYPES; i++) { + if (DICE_TYPES[i] == state->dice_sides) { + if (i == NUM_DICE_TYPES - 1) { + state->dice_sides = DICE_TYPES[0]; + } else { + state->dice_sides = DICE_TYPES[i + 1]; + } + break; + } + } + state->rolled_value = 0; + display_dice_roll(state); + break; + case EVENT_ALARM_BUTTON_UP: + // Roll the die + generate_random_number(state); + state->is_rolling = true; + // Dice rolling animation begins on next tick and new roll will be displayed on completion + movement_request_tick_frequency(PROBABILITY_ANIMATION_TICK_FREQUENCY); + break; + case EVENT_LOW_ENERGY_UPDATE: + watch_display_string("SLEEP ", 4); + break; + default: + break; + } + + return true; +} + +void probability_face_resign(movement_settings_t *settings, void *context) { + (void) settings; + (void) context; +} |