Do trivial deduction.
目前為
// ==UserScript==
// @name Puzz.link Assistance
// @version 1.0
// @description Do trivial deduction.
// @author Leaving Leaves
// @match https://puzz.link/p?*slither*/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=github.com
// @grant none
// @namespace https://greasyfork.org/users/1192854
// ==/UserScript==
(function () {
'use strict';
const maxLoop=20;
var btn = '<button type="button" class="btn" id="assist" style="display: inline;">Assist</button>';
document.querySelector('#btntrial').insertAdjacentHTML('afterend', btn);
document.querySelector("#assist").addEventListener("click", assist, false);
window.addEventListener("keypress", (event) => {
if (event.key !== 'q') { return; }
assist();
});
function assist() {
if (/slither/.test(document.URL)) { SlitherlinkAssist(); }
}
function SlitherlinkAssist() {
let board = ui.puzzle.board;
let cell = board.cell;
let cross = board.cross;
let flg = true;
let addline = function (c) {
if (c === undefined || c.id === null || c.qsub === 2) { return; }
flg |= (c.line !== 1);
c.setLine();
c.draw();
};
let addcross = function (c) {
if (c === undefined || c.id === null || c.line === 1) { return; }
flg |= (c.qsub !== 2);
c.setQsub(2);
c.draw();
};
let fourside = function (a, b) {
a(b.top);
a(b.bottom);
a(b.left);
a(b.right);
};
for (let loop = 0; loop < maxLoop; loop++) {
if (!flg) { break; }
flg = false;
for (let i = 0; i < cell.length; i++) {
let adj = cell[i].adjborder;
let emptynum = 0;
let linenum = 0;
if (cell[i].qnum === 0) {
fourside(addcross, adj);
}
let fn = function (c) {
if (c.qsub === 0) { emptynum++; }
linenum += (c.line == 1);
};
fourside(fn, adj);
if (emptynum === cell[i].qnum) {
fourside(addline, adj);
}
if (linenum === cell[i].qnum) {
fourside(addcross, adj);
}
if (cell[i].qnum === 3 && cell[i].adjacent.bottom !== undefined && cell[i].adjacent.bottom.qnum === 3) {
addline(cell[i].adjborder.top);
addline(cell[i].adjborder.bottom);
addline(cell[i].adjacent.bottom.adjborder.bottom);
if (cell[i].adjacent.left !== undefined) { addcross(cell[i].adjacent.left.adjborder.bottom); }
if (cell[i].adjacent.right !== undefined) { addcross(cell[i].adjacent.right.adjborder.bottom); }
}
if (cell[i].qnum === 3 && cell[i].adjacent.right !== undefined && cell[i].adjacent.right.qnum === 3) {
addline(cell[i].adjborder.left);
addline(cell[i].adjborder.right);
addline(cell[i].adjacent.right.adjborder.right);
if (cell[i].adjacent.top !== undefined) { addcross(cell[i].adjacent.top.adjborder.right); }
if (cell[i].adjacent.bottom !== undefined) { addcross(cell[i].adjacent.bottom.adjborder.right); }
}
if (cell[i].qnum === 3 && cell[i].adjacent.bottom !== undefined && cell[i].adjacent.bottom.adjacent.left !== undefined && cell[i].adjacent.bottom.adjacent.left.qnum === 3) {
let cell2 = cell[i].adjacent.bottom.adjacent.left;
addline(cell[i].adjborder.top);
addline(cell[i].adjborder.right);
addline(cell2.adjborder.bottom);
addline(cell2.adjborder.left);
}
if (cell[i].qnum === 3 && cell[i].adjacent.bottom !== undefined && cell[i].adjacent.bottom.adjacent.right !== undefined && cell[i].adjacent.bottom.adjacent.right.qnum === 3) {
let cell2 = cell[i].adjacent.bottom.adjacent.right;
addline(cell[i].adjborder.top);
addline(cell[i].adjborder.left);
addline(cell2.adjborder.bottom);
addline(cell2.adjborder.right);
}
}
for (let i = 0; i < cross.length; i++) {
let adj = cross[i].adjborder;
let emptynum = 0;
let linenum = 0;
let fn = function (c) { if (c !== undefined && c.id !== null && c.qsub === 0) { emptynum++; } linenum += (c.line == 1); };
fourside(fn, adj);
if (emptynum === 1 || linenum === 2) {
fourside(addcross, adj);
} else
if (emptynum === 2 && linenum === 1) {
fourside(addline, adj);
} else
if (emptynum === 2 && linenum === 0) {
let fn = function (c) { return c !== undefined && c.id !== null && c.qsub === 0; }
if (fn(adj.top) && fn(adj.left) && adj.top.sidecell[0].qnum === 3) { fourside(addline, adj); }
if (fn(adj.top) && fn(adj.right) && adj.top.sidecell[1].qnum === 3) { fourside(addline, adj); }
if (fn(adj.bottom) && fn(adj.left) && adj.bottom.sidecell[0].qnum === 3) { fourside(addline, adj); }
if (fn(adj.bottom) && fn(adj.right) && adj.bottom.sidecell[1].qnum === 3) { fourside(addline, adj); }
if (fn(adj.top) && fn(adj.left) && adj.top.sidecell[0].qnum === 1) { fourside(addcross, adj); }
if (fn(adj.top) && fn(adj.right) && adj.top.sidecell[1].qnum === 1) { fourside(addcross, adj); }
if (fn(adj.bottom) && fn(adj.left) && adj.bottom.sidecell[0].qnum === 1) { fourside(addcross, adj); }
if (fn(adj.bottom) && fn(adj.right) && adj.bottom.sidecell[1].qnum === 1) { fourside(addcross, adj); }
}
}
}
console.log('Assisted.');
}
})();