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/* Copyright 2023 Tom Parker-Shemilt <palfrey@tevp.net>
*
* This program 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, version 3 of the License.
*
* 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 <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include QMK_KEYBOARD_H
// clang-format off
// Exact keymap is irrelevant as we're using rows/cols
// but we need _something_ set so we're using no-ops
const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
[0] = LAYOUT(
KC_NO, KC_NO, KC_NO, KC_NO, KC_NO,
KC_NO, KC_NO, KC_NO, KC_NO, KC_NO,
KC_NO, KC_NO, KC_NO, KC_NO, KC_NO,
KC_NO, KC_NO, KC_NO, KC_NO, KC_NO,
KC_NO, KC_NO, KC_NO, KC_NO, KC_NO
)};
bool tiles[5][5] = {
{false, false, false, false, false},
{false, false, false, false, false},
{false, false, false, false, false},
{false, false, false, false, false},
{false, false, false, false, false},
};
/* Because snake pattern of leds */
const uint8_t remap[25] = {
20,21,22,23,24,
19,6,7,8,9,
18,5,0,1,10,
17,4,3,2,11,
16,15,14,13,12,
};
// clang-format on
bool is_blank(void) {
for (uint8_t y = 0; y < 5; y++) {
for (uint8_t x = 0; x < 5; x++) {
if (tiles[x][y]) {
return false;
}
}
}
return true;
}
void do_move(uint8_t x, uint8_t y) {
tiles[x][y] ^= true;
if (x > 0) {
tiles[x - 1][y] ^= true;
}
if (y > 0) {
tiles[x][y - 1] ^= true;
}
if (x < 4) {
tiles[x + 1][y] ^= true;
}
if (y < 4) {
tiles[x][y + 1] ^= true;
}
}
void refresh_leds(void) {
for (uint8_t y = 0; y < 5; y++) {
for (uint8_t x = 0; x < 5; x++) {
uint8_t tile = tiles[x][y];
uint8_t index = (y * 5) + x;
if (tile) {
setrgb(RGB_RED, &led[remap[index]]);
} else {
setrgb(RGB_WHITE, &led[remap[index]]);
}
}
}
rgblight_set();
}
uint8_t initial_moves = 1;
void start_game(void) {
rgblight_mode(RGBLIGHT_MODE_STATIC_LIGHT);
srand(timer_read32());
while (true) {
for (uint8_t i = 0; i < initial_moves; i++) {
do_move(rand() % 5, rand() % 5);
}
if (!is_blank()) {
// Catch the "we picked the same location 2*N times" case
break;
}
}
refresh_leds();
}
void keyboard_post_init_user(void) {
rgblight_enable_noeeprom();
start_game();
}
bool won = false;
bool process_record_user(uint16_t keycode, keyrecord_t *record) {
if (record->event.pressed) {
if (won) {
initial_moves++;
won = false;
start_game();
} else {
uint8_t x = record->event.key.col;
uint8_t y = record->event.key.row;
do_move(x, y);
if (is_blank()) {
rgblight_mode(RGBLIGHT_MODE_RAINBOW_SWIRL);
won = true;
}
}
}
refresh_leds();
return true;
}
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