commit 60d687c12c46261ddba7d3c9c042d5ea892f467f
parent 9b743f002b62dde31a3a9697c7fd34aac0d8071a
Author: Yuval Langer <yuvallangerontheroad@gmail.com>
Date: Fri, 3 Jul 2020 09:37:07 +0300
Add Sokoban javascript.
Diffstat:
| A | html/sokoban.js | | | 207 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
1 file changed, 207 insertions(+), 0 deletions(-)
diff --git a/html/sokoban.js b/html/sokoban.js
@@ -0,0 +1,207 @@
+'use strict';
+
+
+console.log('a');
+
+
+let sokoban = (function() {
+ let level1 = `
+ #####
+ #...#
+ #*..#
+ ###..*##
+ #..*.*.#
+###.#.##.# ######
+#...#.##.#####..zz#
+#.*..*..........zz#
+#####.###.#@##..zz#
+ #.....#########
+ #######
+`;
+ let level_win_test_not_all_endings = `
+ #####
+ #...#
+ #...#
+ ###...##
+ #......#
+###.#.##.# ######
+#...#.##.#####..zz#
+#..z.*..........zz#
+#####.###.#@##..zz#
+ #.....#########
+ #######
+`;
+ let level_win_test_all_endings = `
+ #####
+ #...#
+ #...#
+ ###...##
+ #......#
+###.#.##.# ######
+#...#.##.#####....#
+#..z.*............#
+#####.###.#@##....#
+ #.....#########
+ #######
+`;
+
+ function read_level_text(s) {
+ let state = {
+ rocks: [],
+ walls: [],
+ floors: [],
+ endings: [],
+ };
+ let lines = s.split('\n');
+ let max_x = Math.max(...lines.map(line=>line.length))
+ for (let y = 0; y < lines.length; y++) {
+ state.walls[y] = []
+ state.rocks[y] = []
+ state.floors[y] = []
+ state.endings[y] = []
+ for (let x = 0; x < lines[y].length; x++) {
+ if (lines[y][x] == '@') {
+ state.position = [x, y];
+ state.floors[y][x] = '.';
+ } else if (lines[y][x] == '*') {
+ state.rocks[y][x] = '*';
+ state.floors[y][x] = '.';
+ } else if (lines[y][x] == '#') {
+ state.walls[y][x] = '#';
+ } else if (lines[y][x] == 'z') {
+ state.endings[y][x] = 'z';
+ } else if (lines[y][x] == '.') {
+ state.floors[y][x] = '.';
+ };
+ };
+ };
+
+ return state;
+ };
+
+ function here_player(state, [x, y]) {
+ return (
+ state.position[0] == x &&
+ state.position[1] == y
+ );
+ }
+ function here_wall(state, [x, y]) {
+ return state.walls[y][x] == '#';
+ }
+ function here_rock(state, [x, y]) {
+ return state.rocks[y][x] == '*';
+ }
+ function here_ending(state, [x, y]) {
+ return state.endings[y][x] == 'z';
+ }
+ function here_floor(state, [x, y]) {
+ return state.floors[y][x] == '.';
+ }
+ function move_rock(state, [fx, fy], [tx, ty]) {
+ console.log(fx, fy, tx, ty);
+ delete state.rocks[fy][fx];
+ state.rocks[ty][tx] = '*';
+ }
+
+ function step(state, direction) {
+ let p0 = state.position;
+ let p1 = [
+ p0[0] + direction[0],
+ p0[1] + direction[1]];
+ let p2 = [
+ p1[0] + direction[0],
+ p1[1] + direction[1]];
+
+ console.log(p0, p1, p2)
+
+ let is_walking = here_floor(state, p1);
+ let is_blocked = (
+ here_wall(state, p1) || (
+ here_rock(state, p1) && (
+ here_rock(state, p2) ||
+ here_wall(state, p2))));
+ let is_pushing = (
+ here_rock(state, p1) &&
+ !here_rock(state, p2));
+
+ console.log(is_walking, is_blocked, is_pushing);
+
+ if (!is_blocked) {
+ if (is_pushing) {
+ move_rock(state, p1, p2);
+ };
+ state.position = p1;
+ };
+ };
+
+
+ function is_win(state) {
+ for (let y = 0; y < state.rocks.length; y++) {
+ for (let x = 0; x < state.rocks[y].length; x++) {
+ if (here_rock(state, [x, y]) != here_ending(state, [x, y])) {
+ return false;
+ }
+ }
+ }
+ return true;
+ };
+
+
+ function state_to_text(state) {
+ let s = '';
+ let max_y = Math.max(
+ state.rocks.length,
+ state.endings.length,
+ state.floors.length,
+ state.walls.length,
+ state.position[1],
+ );
+ for (let y = 0; y < max_y; y++) {
+ let max_x = Math.max(
+ state.rocks[y].length,
+ state.endings[y].length,
+ state.floors[y].length,
+ state.walls[y].length,
+ state.position[0],
+ );
+ for (let x = 0; x < max_x; x++) {
+ if (here_player(state, [x, y])) {
+ s = s.concat('@');
+ } else if (here_wall(state, [x, y])) {
+ s = s.concat('#');
+ } else if (here_rock(state, [x, y])) {
+ s = s.concat('*');
+ } else if (here_floor(state, [x, y])) {
+ s = s.concat('.');
+ } else if (here_ending(state, [x, y])) {
+ s = s.concat('z');
+ } else {
+ s = s.concat(' ');
+ }
+ };
+ s = s.concat('\n');
+ };
+
+ return s;
+ };
+
+ let state = read_level_text(level1);
+ [
+ [0, -1],
+ [-1, 0],
+ [-1, 0],
+ [-1, 0],
+ [-1, 0],
+ [-1, 0],
+ [-1, 0],
+ [-1, 0],
+ [-1, 0],
+ [-1, 0],
+ ].forEach(
+ direction=>{
+ step(state, direction);
+ console.log(state_to_text(state));
+ console.log(is_win(state));
+ }
+ );
+})();
