Do trivial deduction.
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// ==UserScript==
// @name Puzz.link Assistance
// @version 23.10.17.1
// @description Do trivial deduction.
// @author Leaving Leaves
// @match https://puzz.link/p*/*
// @match https://pzplus.tck.mn/p*/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=github.com
// @grant none
// @namespace https://gf.qytechs.cn/users/1192854
// ==/UserScript==
(function () {
'use strict';
const maxLoop = 30;
let flg = true;
let board;
const cqnum = {
quesmark: -2,
none: -1,
}
const cqans = {
none: 0,
block: 1,
light: 1,
};
const cques = {
none: 0,
ice: 6,
blackwall: 7,
};
const cqsub = {
dot: 1,
green: 1,
yellow: 2,
};
const qdir = {
none: 0,
up: 1,
dn: 2,
lt: 3,
rt: 4,
}
const bqsub = {
none: 0,
cross: 2,
arrow_up: 11,
arrow_dn: 12,
arrow_lt: 13,
arrow_rt: 14,
};
let 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() {
flg = true;
board = ui.puzzle.board;
for (let loop = 0; loop < maxLoop; loop++) {
if (!flg) { break; }
flg = false;
if (/slither/.test(document.URL)) { SlitherlinkAssist(); }
if (/yaji[lr]in/.test(document.URL)) { YajilinAssist(); }
if (/simpleloop/.test(document.URL)) { SimpleloopAssist(); }
if (/mas[yh]u/.test(document.URL)) { MasyuAssist(); }
if (/lightup|akari/.test(document.URL)) { AkariAssist(); }
if (/heyawake/.test(document.URL)) { HeyawakeAssist(); }
if (/shakashaka/.test(document.URL)) { ShakashakaAssist(); }
if (/ayeheya/.test(document.URL)) { EkawayehAssist(); }
if (/nothree/.test(document.URL)) { NothreeAssist(); }
if (/lits/.test(document.URL)) { LitsAssist(); }
if (/icebarn/.test(document.URL)) { IcebarnAssist(); }
}
ui.puzzle.redraw();
console.log('Assisted.');
}
let offset = function (c, dx, dy, dir = 0) {
dir = (dir % 4 + 4) % 4;
if (dir === 0) { return board.getc(c.bx + dx * 2, c.by + dy * 2); }
if (dir === 1) { return board.getc(c.bx + dy * 2, c.by - dx * 2); }
if (dir === 2) { return board.getc(c.bx - dx * 2, c.by - dy * 2); }
if (dir === 3) { return board.getc(c.bx - dy * 2, c.by + dx * 2); }
}
let fourside = function (a, b) {
a(b.top);
a(b.bottom);
a(b.left);
a(b.right);
};
let fourside2 = function (a, b, c) {
a(b.top, c.top);
a(b.bottom, c.bottom);
a(b.left, c.left);
a(b.right, c.right);
};
let add_cross = function (b) {
if (b === undefined || b.isnull || b.line || b.qsub !== bqsub.none) { return; }
flg = 1;
b.setQsub(bqsub.cross);
b.draw();
};
let add_line = function (b) {
if (b === undefined || b.isnull || b.line || b.qsub === bqsub.cross) { return; }
flg = 1;
b.setLine(1);
b.draw();
};
let add_arrow = function (b, dir) {
if (b === undefined || b.isnull || b.qsub === bqsub.cross) { return; }
flg = 1;
b.setQsub(dir);
b.draw();
};
let add_block = function (c, notOnNum = false) {
if (notOnNum && c.qnum !== cqnum.none) { return; }
if (c === undefined || c.isnull || c.lcnt !== 0 || c.qsub === cqsub.dot || c.qans !== cqans.none) { return; }
flg = 1;
c.setQans(cqans.block);
c.draw();
};
let add_light = function (c) {
add_block(c, true);
}
let add_dot = function (c) {
if (c === undefined || c.isnull || c.qnum !== -1 || c.qans !== 0 || c.qsub === 1) { return; }
flg = 1;
c.setQsub(cqsub.dot);
c.draw();
};
let add_green = function (c) {
if (c === undefined || c.isnull || c.qans !== 0 || c.qsub === 1) { return; }
flg = 1;
c.setQsub(cqsub.green);
c.draw();
};
let add_bg_color = function (c, color) {
if (c === undefined || c.isnull || c.qsub !== 0 || c.qsub === color) { return; }
flg = 1;
c.setQsub(color);
c.draw();
}
let add_bg_inner_color = function (c) {
add_bg_color(c, cqsub.green);
}
let add_bg_outer_color = function (c) {
add_bg_color(c, cqsub.yellow);
}
let dir = function (c, ndir) {
ndir = (ndir % 4 + 4) % 4;
if (ndir === 0) return c.top;
if (ndir === 1) return c.right;
if (ndir === 2) return c.bottom;
if (ndir === 3) return c.left;
}
function No2x2Shade() {
for (let i = 0; i < board.cell.length; i++) {
let cell = board.cell[i];
let templist = [cell, offset(cell, 1, 0), offset(cell, 0, 1), offset(cell, 1, 1)];
if (templist.filter(c => c.isnull).length > 0) { continue; }
templist = templist.filter(c => !c.qans);
if (templist.length === 1) {
add_green(templist[0]);
}
}
}
function SingleLoopInCell(inPath) {
for (let i = 0; i < board.cell.length; i++) {
let cell = board.cell[i];
if (cell.ques === cques.blackwall) { continue; }
let emptynum = 0;
let linenum = 0;
let adjcell = cell.adjacent;
let adjline = cell.adjborder;
let fn = function (c, b) {
if (!c.isnull && b.qsub !== bqsub.cross) { emptynum++; }
linenum += b.line;
};
fourside2(fn, adjcell, adjline);
//no branch
if (linenum === 2 && cell.ques !== cques.ice) {
fourside(add_cross, adjline);
}
//no deadend
if (emptynum === 1) {
fourside(add_cross, adjline);
}
//2 degree path
if (emptynum === 2 && (linenum === 1 || cell.qsub === cqsub.dot || inPath)) {
fourside(add_line, adjline);
}
}
//avoid forming multiple loop
for (let i = 0; i < board.border.length; i++) {
let border = board.border[i];
if (border.qsub !== bqsub.none || border.line) { continue; }
let cr1 = border.sidecell[0];
let cr2 = border.sidecell[1];
if (cr1.ques === cques.ice || cr2.ques === cques.ice) { continue; }
if (cr1.path !== null && cr1.path === cr2.path && board.linegraph.components.length > 1) {
add_cross(border);
}
}
}
function IcebarnAssist() {
SingleLoopInCell();
//add cross outside except IN and OUT
{
let inp = [board.arrowin.bx, board.arrowin.by];
let outp = [board.arrowout.bx, board.arrowout.by];
add_line(board.getb(inp[0], inp[1]));
add_line(board.getb(outp[0], outp[1]));
let minbx = board.minbx + 2;
let minby = board.minby + 2;
let maxbx = board.maxbx - 2;
let maxby = board.maxby - 2;
for (let j = minbx + 1; j < maxbx; j += 2) {
add_cross(board.getb(j, minby));
add_cross(board.getb(j, maxby));
}
for (let j = minby + 1; j < maxby; j += 2) {
add_cross(board.getb(minbx, j));
add_cross(board.getb(maxbx, j));
}
}
for (let i = 0; i < board.border.length; i++) {
let border = board.border[i];
if (border.qdir != qdir.none) {
add_arrow(border, border.qdir + 10); //from qdir to bqsub
add_line(border);
}
}
for (let i = 0; i < board.cell.length; i++) {
let cell = board.cell[i];
let adjline = cell.adjborder;
if (cell.ques === cques.ice) {
for (let d = 0; d < 4; d++) {
if (dir(adjline, d).qsub === bqsub.cross) {
add_cross(dir(adjline, d + 2));
}
if (dir(adjline, d).line) {
add_line(dir(adjline, d + 2));
if (dir(adjline, d).qsub !== bqsub.none) {
add_arrow(dir(adjline, d + 2), dir(adjline, d).qsub);
}
}
}
}
if (cell.lcnt === 2 && cell.ques !== cques.ice) {
let templist = [[adjline.top, bqsub.arrow_up, bqsub.arrow_dn], [adjline.bottom, bqsub.arrow_dn, bqsub.arrow_up],
[adjline.left, bqsub.arrow_lt, bqsub.arrow_rt], [adjline.right, bqsub.arrow_rt, bqsub.arrow_lt]];
templist = templist.filter(b => b[0].line);
if (templist.filter(b => b[0].qsub === bqsub.none).length === 1) {
if (templist[0][0].qsub !== bqsub.none) {
templist = [templist[1], templist[0]];
}
if (templist[1][0].qsub === templist[1][1]) {
add_arrow(templist[0][0], templist[0][2]);
}
if (templist[1][0].qsub === templist[1][2]) {
add_arrow(templist[0][0], templist[0][1]);
}
}
}
if (cell.lcnt === 1 && cell.ques !== cques.ice) {
for (let d = 0; d < 4; d++) {
let ncell = dir(cell.adjacent, d);
while (!ncell.isnull && ncell.ques === cques.ice) {
ncell = dir(ncell.adjacent, d);
}
if (ncell.isnull || ncell.lcnt !== 1 || dir(ncell.adjborder, d + 2).line) { continue; }
let fn = function (c) {
let adjline = c.adjborder;
let templist = [[adjline.top, bqsub.arrow_up, bqsub.arrow_dn], [adjline.bottom, bqsub.arrow_dn, bqsub.arrow_up],
[adjline.left, bqsub.arrow_lt, bqsub.arrow_rt], [adjline.right, bqsub.arrow_rt, bqsub.arrow_lt]];
templist = templist.filter(b => b[0].line);
if (templist.length !== 1) { return 0; }
if (templist[0][0].qsub === templist[0][1]) { return 1; }
if (templist[0][0].qsub === templist[0][2]) { return 2; }
return 0;
}
if (fn(cell) && fn(cell) === fn(ncell)) {
add_cross(dir(adjline, d));
}
}
}
}
}
function LitsAssist() {
No2x2Shade();
for (let i = 0; i < board.roommgr.components.length; i++) {
let room = board.roommgr.components[i];
let templist = [];
for (let j = 0; j < room.clist.length; j++) {
templist.push(room.clist[j]);
}
if (templist.filter(c => c.qsub !== 1).length === 4) {
templist.forEach(c => add_block(c));
}
if (templist.filter(c => c.qans === 1).length === 4) {
templist.forEach(c => add_dot(c));
}
for (let j = 0; j < room.clist.length; j++) {
if (room.clist[j].qsub === 1) { continue; }
let templist2 = [];
let fn = function (c) {
if (c.room !== room || c.qsub === 1 || templist2.indexOf(c) !== -1) { return; }
templist2.push(c);
fourside(fn, c.adjacent);
}
fn(room.clist[j]);
if (templist2.length < 4) {
templist2.forEach(c => add_dot(c));
}
if (room.clist[j].qans !== 1) { continue; }
templist2 = [];
fn = function (c, step = 3) {
if (step < 0 || c.room !== room) { return; }
templist2.push(c);
fn(c.adjacent.top, step - 1);
fn(c.adjacent.bottom, step - 1);
fn(c.adjacent.left, step - 1);
fn(c.adjacent.right, step - 1);
}
fn(room.clist[j]);
templist.forEach(c => {
if (templist2.indexOf(c) === -1) {
add_dot(c);
}
});
}
}
}
function BlockNotAdjacent() {
for (let i = 0; i < board.cell.length; i++) {
let cell = board.cell[i];
if (cell.qans !== 1) { continue; }
fourside(add_green, cell.adjacent);
}
}
function GreenConnectedInCell() {
for (let i = 0; i < board.cell.length; i++) {
let cell = board.cell[i];
if (cell.qans === 1 || cell.qsub === 1) { continue; }
let fn = function (c, list) {
if (c.isnull) {
if (list.indexOf(-1) === -1) {
list.push(-1);
}
return;
}
if (c.qans !== 1) { return; }
if (list.indexOf(c.id) !== -1) { return; }
list.push(c.id);
fn(offset(c, -1, -1), list);
fn(offset(c, -1, +1), list);
fn(offset(c, +1, -1), list);
fn(offset(c, +1, +1), list);
}
let list1 = [], list2 = [], list3 = [], list4 = [];
if (!offset(cell, -1, -1).isnull) { fn(offset(cell, -1, -1), list1); }
if (!offset(cell, -1, +1).isnull) { fn(offset(cell, -1, +1), list2); }
if (!offset(cell, +1, -1).isnull) { fn(offset(cell, +1, -1), list3); }
if (!offset(cell, +1, +1).isnull) { fn(offset(cell, +1, +1), list4); }
let templist = [-1, offset(cell, -1, -1).id, offset(cell, -1, +1).id, offset(cell, +1, -1).id, offset(cell, +1, +1).id]
let list = [].concat(list1, list2, list3, list4);
if (cell.bx - 1 === board.minbx || cell.bx + 1 === board.maxbx || cell.by - 1 === board.minby || cell.by + 1 === board.maxby) {
list.push(-1);
}
for (let j = 0; j < templist.length; j++) {
if (list.filter(id => id === templist[j]).length > 1) {
add_green(cell);
break;
}
}
}
}
function NothreeAssist() {
BlockNotAdjacent();
GreenConnectedInCell();
for (let i = 0; i < board.dots.length; i++) {
let dot = board.dots[i].piece;
if (dot.qnum !== 1) { continue; }
let cellList = [];
if (dot.bx % 2 === 1 && dot.by % 2 === 1) {
cellList.push(board.getc(dot.bx, dot.by));
}
if (dot.bx % 2 === 0 && dot.by % 2 === 1) {
cellList.push(board.getc(dot.bx - 1, dot.by));
cellList.push(board.getc(dot.bx + 1, dot.by));
}
if (dot.bx % 2 === 1 && dot.by % 2 === 0) {
cellList.push(board.getc(dot.bx, dot.by - 1));
cellList.push(board.getc(dot.bx, dot.by + 1));
}
if (dot.bx % 2 === 0 && dot.by % 2 === 0) {
cellList.push(board.getc(dot.bx - 1, dot.by - 1));
cellList.push(board.getc(dot.bx + 1, dot.by - 1));
cellList.push(board.getc(dot.bx - 1, dot.by + 1));
cellList.push(board.getc(dot.bx + 1, dot.by + 1));
}
let blocknum = 0;
let emptynum = 0;
cellList.forEach(c => {
blocknum += c.qans === 1;
emptynum += c.qans !== 1 && c.qsub !== 1;
});
if (blocknum === 0 && emptynum === 1) {
cellList.forEach(c => add_block(c));
}
if (blocknum === 1) {
cellList.forEach(c => add_green(c));
}
}
for (let i = 0; i < board.cell.length; i++) {
let cell = board.cell[i];
for (let d = 0; d < 4; d++) {
let fn = function (list) {
if (list.filter(c => c.isnull).length === 0 && list.filter(c => c.qans === 1).length === 2) {
list.forEach(c => add_green(c));
}
}
//O.O.O
fn([cell, offset(cell, 2, 0, d), offset(cell, 4, 0, d)]);
//O..O..O
fn([cell, offset(cell, 3, 0, d), offset(cell, 6, 0, d)]);
//O...O...O
fn([cell, offset(cell, 4, 0, d), offset(cell, 8, 0, d)]);
//OXXXXOX?XXO
for (let l = 5; l * 2 < Math.min(board.cols, board.rows); l++) {
let templist1 = [cell, offset(cell, l, 0, d), offset(cell, 2 * l, 0, d)];
if (templist1.filter(c => c.isnull).length > 0) { continue; }
templist1 = templist1.filter(c => c.qans !== 1);
let templist2 = [];
for (let j = 1; j < 2 * l; j++) {
if (j === l) { continue; }
templist2.push(offset(cell, j, 0, d));
}
if (templist2.filter(c => c.qans === 1).length > 0) { continue; }
templist2 = templist2.filter(c => c.qsub !== 1);
if (templist1.length === 0 && templist2.length === 1) {
add_block(templist2[0]);
}
if (templist1.length === 1 && templist2.length === 0) {
add_green(templist1[0]);
}
}
}
}
}
function EkawayehAssist() {
HeyawakeAssist();
for (let i = 0; i < board.roommgr.components.length; i++) {
let room = board.roommgr.components[i];
let qnum = room.top.qnum;
let rows = room.clist.getRectSize().rows;
let cols = room.clist.getRectSize().cols;
let tx = room.clist.getRectSize().x1 + room.clist.getRectSize().x2;
let ty = room.clist.getRectSize().y1 + room.clist.getRectSize().y2;
if (rows % 2 === 1 && cols % 2 === 0) {
add_green(board.getc(tx / 2 - 1, ty / 2));
add_green(board.getc(tx / 2 + 1, ty / 2));
}
if (rows % 2 === 0 && cols % 2 === 1) {
add_green(board.getc(tx / 2, ty / 2 - 1));
add_green(board.getc(tx / 2, ty / 2 + 1));
}
if (rows % 2 === 1 && cols % 2 === 1) {
if (qnum >= 0 && qnum % 2 === 0) {
add_green(board.getc(tx / 2, ty / 2));
}
if (qnum >= 0 && qnum % 2 === 1) {
add_block(board.getc(tx / 2, ty / 2));
}
}
for (let j = 0; j < room.clist.length; j++) {
let cell = room.clist[j];
if (cell.qsub === 1) {
add_green(board.getc(tx - cell.bx, ty - cell.by));
}
if (cell.qans === 1) {
add_block(board.getc(tx - cell.bx, ty - cell.by));
}
}
}
}
function ShakashakaAssist() {
let isEmpty = function (c) { return !c.isnull && c.qnum === -1 && c.qsub === 0 && c.qans === 0; };
//draw triangle
let add_triangle = function (c, ans) {
if (c === undefined || c.isnull || !isEmpty(c)) { return; }
flg = 1;
c.setQans(ans);
};
//check blocking edge
let isTopEdge = function (c) { return c.isnull || c.qnum !== -1 || c.qans === 4 || c.qans === 5; };
let isBottomEdge = function (c) { return c.isnull || c.qnum !== -1 || c.qans === 2 || c.qans === 3; };
let isLeftEdge = function (c) { return c.isnull || c.qnum !== -1 || c.qans === 2 || c.qans === 5; };
let isRightEdge = function (c) { return c.isnull || c.qnum !== -1 || c.qans === 3 || c.qans === 4; };
//check blocking corner
let isBLCorner = function (c) { return c.isnull || c.qnum !== -1 || c.qans === 2; };
let isBRCorner = function (c) { return c.isnull || c.qnum !== -1 || c.qans === 3; };
let isTRCorner = function (c) { return c.isnull || c.qnum !== -1 || c.qans === 4; };
let isTLCorner = function (c) { return c.isnull || c.qnum !== -1 || c.qans === 5; };
//check blocking sharp
let isBLSharp = function (c) { return c.isnull || c.qnum !== -1 || c.qans === 2 || c.qans === 3 || c.qans === 5; };
let isBRSharp = function (c) { return c.isnull || c.qnum !== -1 || c.qans === 2 || c.qans === 3 || c.qans === 4; };
let isTRSharp = function (c) { return c.isnull || c.qnum !== -1 || c.qans === 3 || c.qans === 4 || c.qans === 5; };
let isTLSharp = function (c) { return c.isnull || c.qnum !== -1 || c.qans === 2 || c.qans === 4 || c.qans === 5; };
//check if stick edge
let isStickEdge = function (c) { return isBottomEdge(c.adjacent.top) || isTopEdge(c.adjacent.bottom) || isRightEdge(c.adjacent.left) || isLeftEdge(c.adjacent.right); }
//if can place triangle of specific direction
let isntBLTri = function (c) {
let adj = c.adjacent;
if (!isEmpty(c) || isBottomEdge(adj.top) || isLeftEdge(adj.right)) { return true; }
if ((adj.top.qsub === 1 && isStickEdge(adj.top)) || (adj.right.qsub === 1 && isStickEdge(adj.right))) { return true; }
if ((!adj.top.isnull && adj.top.qans === 4) || (!adj.right.isnull && adj.right.qans === 4)) { return true; }
if ((!adj.bottom.isnull && (adj.bottom.qans === 2 || adj.bottom.qans === 3))) { return true; }
if ((!adj.left.isnull && (adj.left.qans === 2 || adj.left.qans === 5))) { return true; }
if (adj.top.adjacent.right !== undefined && (isBLSharp(adj.top.adjacent.right) || (adj.top.adjacent.right.qsub === 1 && isStickEdge(adj.top.adjacent.right)))) { return true; }
if (adj.top.adjacent.left !== undefined && !adj.top.adjacent.left.isnull && adj.top.adjacent.left.qans === 5) { return true; }
if (adj.bottom.adjacent.right !== undefined && !adj.bottom.adjacent.right.isnull && adj.bottom.adjacent.right.qans === 3) { return true; }
if (adj.bottom.adjacent.left !== undefined && !adj.bottom.adjacent.left.isnull && adj.bottom.adjacent.left.qans === 2) { return true; }
if (adj.top.adjacent.top !== undefined && !adj.top.adjacent.top.isnull && adj.top.adjacent.top.qans === 5) { return true; }
if (adj.right.adjacent.right !== undefined && !adj.right.adjacent.right.isnull && adj.right.adjacent.right.qans === 3) { return true; }
if (adj.top.adjacent.right !== undefined && !adj.top.adjacent.right.isnull) {
if (!adj.top.adjacent.right.adjacent.top.isnull && adj.top.adjacent.right.adjacent.top.qans === 4) { return true; }
if (!adj.top.adjacent.right.adjacent.right.isnull && adj.top.adjacent.right.adjacent.right.qans === 4) { return true; }
}
return false;
};
let isntBRTri = function (c) {
let adj = c.adjacent;
if (!isEmpty(c) || isBottomEdge(adj.top) || isRightEdge(adj.left)) { return true; }
if ((adj.top.qsub === 1 && isStickEdge(adj.top)) || (adj.left.qsub === 1 && isStickEdge(adj.left))) { return true; }
if ((!adj.top.isnull && adj.top.qans === 5) || (!adj.left.isnull && adj.left.qans === 5)) { return true; }
if ((!adj.bottom.isnull && (adj.bottom.qans === 2 || adj.bottom.qans === 3))) { return true; }
if ((!adj.right.isnull && (adj.right.qans === 3 || adj.right.qans === 4))) { return true; }
if (adj.top.adjacent.left !== undefined && (isBRSharp(adj.top.adjacent.left) || (adj.top.adjacent.left.qsub === 1 && isStickEdge(adj.top.adjacent.left)))) { return true; }
if (adj.top.adjacent.right !== undefined && !adj.top.adjacent.right.isnull && adj.top.adjacent.right.qans === 4) { return true; }
if (adj.bottom.adjacent.left !== undefined && !adj.bottom.adjacent.left.isnull && adj.bottom.adjacent.left.qans === 2) { return true; }
if (adj.bottom.adjacent.right !== undefined && !adj.bottom.adjacent.right.isnull && adj.bottom.adjacent.right.qans === 3) { return true; }
if (adj.top.adjacent.top !== undefined && !adj.top.adjacent.top.isnull && adj.top.adjacent.top.qans === 4) { return true; }
if (adj.left.adjacent.left !== undefined && !adj.left.adjacent.left.isnull && adj.left.adjacent.left.qans === 2) { return true; }
if (adj.top.adjacent.left !== undefined && !adj.top.adjacent.left.isnull) {
if (!adj.top.adjacent.left.adjacent.top.isnull && adj.top.adjacent.left.adjacent.top.qans === 5) { return true; }
if (!adj.top.adjacent.left.adjacent.left.isnull && adj.top.adjacent.left.adjacent.left.qans === 5) { return true; }
}
return false;
};
let isntTRTri = function (c) {
let adj = c.adjacent;
if (!isEmpty(c) || isTopEdge(adj.bottom) || isRightEdge(adj.left)) { return true; }
if ((adj.bottom.qsub === 1 && isStickEdge(adj.bottom)) || (adj.left.qsub === 1 && isStickEdge(adj.left))) { return true; }
if ((!adj.bottom.isnull && adj.bottom.qans === 2) || (!adj.left.isnull && adj.left.qans === 2)) { return true; }
if ((!adj.top.isnull && (adj.top.qans === 4 || adj.top.qans === 5))) { return true; }
if ((!adj.right.isnull && (adj.right.qans === 3 || adj.right.qans === 4))) { return true; }
if (adj.bottom.adjacent.left !== undefined && (isTRSharp(adj.bottom.adjacent.left) || (adj.bottom.adjacent.left.qsub === 1 && isStickEdge(adj.bottom.adjacent.left)))) { return true; }
if (adj.bottom.adjacent.right !== undefined && !adj.bottom.adjacent.right.isnull && adj.bottom.adjacent.right.qans === 3) { return true; }
if (adj.top.adjacent.left !== undefined && !adj.top.adjacent.left.isnull && adj.top.adjacent.left.qans === 5) { return true; }
if (adj.top.adjacent.right !== undefined && !adj.top.adjacent.right.isnull && adj.top.adjacent.right.qans === 4) { return true; }
if (adj.bottom.adjacent.bottom !== undefined && !adj.bottom.adjacent.bottom.isnull && adj.bottom.adjacent.bottom.qans === 3) { return true; }
if (adj.left.adjacent.left !== undefined && !adj.left.adjacent.left.isnull && adj.left.adjacent.left.qans === 5) { return true; }
if (adj.bottom.adjacent.left !== undefined && !adj.bottom.adjacent.left.isnull) {
if (!adj.bottom.adjacent.left.adjacent.bottom.isnull && adj.bottom.adjacent.left.adjacent.bottom.qans === 2) { return true; }
if (!adj.bottom.adjacent.left.adjacent.left.isnull && adj.bottom.adjacent.left.adjacent.left.qans === 2) { return true; }
}
return false;
};
let isntTLTri = function (c) {
let adj = c.adjacent;
if (!isEmpty(c) || isTopEdge(adj.bottom) || isLeftEdge(adj.right)) { return true; }
if ((adj.bottom.qsub === 1 && isStickEdge(adj.bottom)) || (adj.right.qsub === 1 && isStickEdge(adj.right))) { return true; }
if ((!adj.bottom.isnull && adj.bottom.qans === 3) || (!adj.right.isnull && adj.right.qans === 3)) { return true; }
if ((!adj.top.isnull && (adj.top.qans === 4 || adj.top.qans === 5))) { return true; }
if ((!adj.left.isnull && (adj.left.qans === 2 || adj.left.qans === 5))) { return true; }
if (adj.bottom.adjacent.right !== undefined && (isTLSharp(adj.bottom.adjacent.right) || (adj.bottom.adjacent.right.qsub === 1 && isStickEdge(adj.bottom.adjacent.right)))) { return true; }
if (adj.bottom.adjacent.left !== undefined && !adj.bottom.adjacent.left.isnull && adj.bottom.adjacent.left.qans === 2) { return true; }
if (adj.top.adjacent.right !== undefined && !adj.top.adjacent.right.isnull && adj.top.adjacent.right.qans === 4) { return true; }
if (adj.top.adjacent.left !== undefined && !adj.top.adjacent.left.isnull && adj.top.adjacent.left.qans === 5) { return true; }
if (adj.bottom.adjacent.bottom !== undefined && !adj.bottom.adjacent.bottom.isnull && adj.bottom.adjacent.bottom.qans === 2) { return true; }
if (adj.right.adjacent.right !== undefined && !adj.right.adjacent.right.isnull && adj.right.adjacent.right.qans === 4) { return true; }
if (adj.bottom.adjacent.right !== undefined && !adj.bottom.adjacent.right.isnull) {
if (!adj.bottom.adjacent.right.adjacent.bottom.isnull && adj.bottom.adjacent.right.adjacent.bottom.qans === 3) { return true; }
if (!adj.bottom.adjacent.right.adjacent.right.isnull && adj.bottom.adjacent.right.adjacent.right.qans === 3) { return true; }
}
return false;
};
for (let i = 0; i < board.cell.length; i++) {
let cell = board.cell[i];
let adjcell = cell.adjacent;
let trinum = 0;
let emptynum = 0;
let fn = function (c) {
if (!c.isnull && c.qans >= 2) { trinum++; }
if (isEmpty(c)) { emptynum++; }
};
fourside(fn, adjcell);
//add dot
//cannot place any triangle
if (isntBLTri(cell) && isntBRTri(cell) && isntTRTri(cell) && isntTLTri(cell)) {
add_dot(cell);
}
//fill rectangle
{
let fn = function (c, c1, c2, c12) {
if (!c1.isnull && c1.qsub === 1 && !c2.isnull && c2.qsub === 1 && !c12.isnull && c12.qsub === 1) {
add_dot(c);
}
};
if (!adjcell.bottom.isnull) {
fn(cell, adjcell.bottom, adjcell.left, adjcell.bottom.adjacent.left);
fn(cell, adjcell.bottom, adjcell.right, adjcell.bottom.adjacent.right);
}
if (!adjcell.top.isnull) {
fn(cell, adjcell.top, adjcell.right, adjcell.top.adjacent.right);
fn(cell, adjcell.top, adjcell.left, adjcell.top.adjacent.left);
}
}
//dot by clue
if (trinum === cell.qnum) {
fourside(add_dot, adjcell);
}
//pattern with clue 1
if (cell.qnum === 1) {
if (!adjcell.top.isnull && (isEmpty(adjcell.top) || adjcell.top.qsub === 1)) {
let temp = !adjcell.left.isnull && (isEmpty(adjcell.left) || adjcell.left.qsub === 1);
if (temp && adjcell.top.adjacent.left.qnum === -1 && adjcell.top.adjacent.left.qans !== 3 && isntBRTri(adjcell.top.adjacent.left)) {
add_dot(adjcell.bottom); add_dot(adjcell.right);
}
temp = !adjcell.right.isnull && (isEmpty(adjcell.right) || adjcell.right.qsub === 1);
if (temp && adjcell.top.adjacent.right.qnum === -1 && adjcell.top.adjacent.right.qans !== 2 && isntBLTri(adjcell.top.adjacent.right)) {
add_dot(adjcell.bottom); add_dot(adjcell.left);
}
}
if (!adjcell.bottom.isnull && (isEmpty(adjcell.bottom) || adjcell.bottom.qsub === 1)) {
let temp = !adjcell.left.isnull && (isEmpty(adjcell.left) || adjcell.left.qsub === 1);
if (temp && adjcell.bottom.adjacent.left.qnum === -1 && adjcell.bottom.adjacent.left.qans !== 4 && isntTRTri(adjcell.bottom.adjacent.left)) {
add_dot(adjcell.top); add_dot(adjcell.right);
}
temp = !adjcell.right.isnull && (isEmpty(adjcell.right) || adjcell.right.qsub === 1);
if (temp && adjcell.bottom.adjacent.right.qnum === -1 && adjcell.bottom.adjacent.right.qans !== 5 && isntTLTri(adjcell.bottom.adjacent.right)) {
add_dot(adjcell.top); add_dot(adjcell.left);
}
}
}
//add triangle
//cannot form non-rectangle
{
let fn_list1 = [isTRCorner, isTLCorner, isBLCorner, isBRCorner];
let fn_list2 = [[isBRCorner, isTLCorner], [isBLCorner, isTRCorner], [isTLCorner, isBRCorner], [isTRCorner, isBLCorner]];
let fn = function (c, c1, c2, c12, dir) {
if (!c1.isnull && c1.qsub === 1 && !c2.isnull && c2.qsub === 1 && fn_list1[dir - 2](c12)) {
add_triangle(c, dir);
}
else if (((!c1.isnull && c1.qsub === 1 && fn_list2[dir - 2][0](c2)) || (fn_list2[dir - 2][1](c1) && !c2.isnull && c2.qsub === 1)) && !c12.isnull && c12.qsub === 1) {
add_triangle(c, dir);
}
};
if (!adjcell.bottom.isnull) {
fn(cell, adjcell.bottom, adjcell.left, adjcell.bottom.adjacent.left, 2);
fn(cell, adjcell.bottom, adjcell.right, adjcell.bottom.adjacent.right, 3);
}
if (!adjcell.top.isnull) {
fn(cell, adjcell.top, adjcell.right, adjcell.top.adjacent.right, 4);
fn(cell, adjcell.top, adjcell.left, adjcell.top.adjacent.left, 5);
}
}
//triangle by clue
if (emptynum === cell.qnum - trinum) {
let fn_list = [[isntBLTri, isntBRTri], [isntTLTri, isntTRTri], [isntBRTri, isntTRTri], [isntBLTri, isntTLTri]];
let dir_list = [[3, 2], [4, 5], [4, 3], [5, 2]];
let fn = function (c, dir) {
if (fn_list[dir][0](c)) { add_triangle(c, dir_list[dir][0]); }
else if (fn_list[dir][1](c)) { add_triangle(c, dir_list[dir][1]); }
};
fn(adjcell.top, 0);
fn(adjcell.bottom, 1);
fn(adjcell.left, 2);
fn(adjcell.right, 3);
}
if (cell.qans >= 2) {
//rectangle needs turn
{
let fn_list = [isntBLTri, isntBRTri, isntTRTri, isntTLTri];
let ans_list = [[5, 3], [4, 2], [5, 3], [4, 2]];
let dir_list1 = [[adjcell.top.adjacent.left, adjcell.right.adjacent.bottom], [adjcell.top.adjacent.right, adjcell.left.adjacent.bottom],
[adjcell.left.adjacent.top, adjcell.bottom.adjacent.right], [adjcell.right.adjacent.top, adjcell.bottom.adjacent.left]];
let dir_list2 = [[adjcell.top, adjcell.right], [adjcell.top, adjcell.left], [adjcell.left, adjcell.bottom], [adjcell.right, adjcell.bottom]];
for (let j = 0; j < 2; j++) {
if (dir_list1[cell.qans - 2][j].qans !== cell.qans && fn_list[cell.qans - 2](dir_list1[cell.qans - 2][j])) {
add_triangle(dir_list2[cell.qans - 2][j], ans_list[cell.qans - 2][j]);
}
}
}
//rectangle cannot turn
{
let fn_list = [[isntTLTri, isntBRTri], [isntTRTri, isntBLTri], [isntTLTri, isntBRTri], [isntTRTri, isntBLTri]];
let ans_list = [[5, 3], [4, 2], [5, 3], [4, 2]];
let dir_list1 = [[adjcell.top, adjcell.right], [adjcell.top, adjcell.left], [adjcell.left, adjcell.bottom], [adjcell.right, adjcell.bottom]];
let dir_list2 = [[adjcell.top.adjacent.left, adjcell.right.adjacent.bottom], [adjcell.top.adjacent.right, adjcell.left.adjacent.bottom],
[adjcell.left.adjacent.top, adjcell.bottom.adjacent.right], [adjcell.right.adjacent.top, adjcell.bottom.adjacent.left]];
for (let j = 0; j < 2; j++) {
if (dir_list1[cell.qans - 2][j].qans !== ans_list[cell.qans - 2][j] && fn_list[cell.qans - 2][j](dir_list1[cell.qans - 2][j])) {
add_triangle(dir_list2[cell.qans - 2][j], cell.qans);
}
}
}
//opposite side of rectangle
{
let ans_list = [4, 5, 2, 3];
let fn_list = [[isBottomEdge, isLeftEdge, isBLSharp], [isBottomEdge, isRightEdge, isBRSharp],
[isTopEdge, isRightEdge, isTRSharp], [isTopEdge, isLeftEdge, isTLSharp]];
let fn = function (c, c1, c2, c12, dir) {
let temp = (fn_list[dir][0](c1) || (c1.qsub === 1 && isStickEdge(c1)));
temp |= (fn_list[dir][1](c2) || (c2.qsub === 1 && isStickEdge(c2)));
if (temp || c12 === undefined || fn_list[dir][2](c12) || (c12.qsub === 1 && isStickEdge(c12))) {
add_triangle(c, ans_list[dir]);
}
};
let temp = adjcell.top.adjacent.right;
if (cell.qans === 2 && temp !== undefined && isEmpty(temp)) {
fn(temp, temp.adjacent.top, temp.adjacent.right, temp.adjacent.top.adjacent.right, 0);
}
temp = adjcell.top.adjacent.left;
if (cell.qans === 3 && temp !== undefined && isEmpty(temp)) {
fn(temp, temp.adjacent.top, temp.adjacent.left, temp.adjacent.top.adjacent.left, 1);
}
temp = adjcell.bottom.adjacent.left;
if (cell.qans === 4 && temp !== undefined && isEmpty(temp)) {
fn(temp, temp.adjacent.bottom, temp.adjacent.left, temp.adjacent.bottom.adjacent.left, 2);
}
temp = adjcell.bottom.adjacent.right;
if (cell.qans === 5 && temp !== undefined && isEmpty(temp)) {
fn(temp, temp.adjacent.bottom, temp.adjacent.right, temp.adjacent.bottom.adjacent.right, 3);
}
}
}
//2x2 pattern
{
let ans_list = [2, 2, 3, 3, 4, 4, 5, 5];
let fn_list = [[isTopEdge, isBottomEdge], [isRightEdge, isLeftEdge], [isLeftEdge, isRightEdge], [isTopEdge, isBottomEdge],
[isBottomEdge, isTopEdge], [isLeftEdge, isRightEdge], [isRightEdge, isLeftEdge], [isBottomEdge, isTopEdge]];
let fn = function (c, c1, c2, c3, c12, c22, dir) {
let temp = (!c1.isnull && c1.qsub === 1 && !c2.isnull && isEmpty(c2) && fn_list[dir][0](c3));
if (temp && fn_list[dir][1](c12) && (fn_list[dir][1](c22) || (c22.qsub == 1 && isStickEdge(c22)))) {
add_triangle(c, ans_list[dir]);
}
};
if (!adjcell.top.isnull) {
fn(cell, adjcell.left, adjcell.top, adjcell.bottom, adjcell.top.adjacent.left, adjcell.top.adjacent.top, 0);
fn(cell, adjcell.right, adjcell.top, adjcell.bottom, adjcell.top.adjacent.right, adjcell.top.adjacent.top, 3);
}
if (!adjcell.bottom.isnull) {
fn(cell, adjcell.left, adjcell.bottom, adjcell.top, adjcell.bottom.adjacent.left, adjcell.bottom.adjacent.bottom, 7);
fn(cell, adjcell.right, adjcell.bottom, adjcell.top, adjcell.bottom.adjacent.right, adjcell.bottom.adjacent.bottom, 4);
}
if (!adjcell.left.isnull) {
fn(cell, adjcell.bottom, adjcell.left, adjcell.right, adjcell.left.adjacent.bottom, adjcell.left.adjacent.left, 2);
fn(cell, adjcell.top, adjcell.left, adjcell.right, adjcell.left.adjacent.top, adjcell.left.adjacent.left, 5);
}
if (!adjcell.right.isnull) {
fn(cell, adjcell.bottom, adjcell.right, adjcell.left, adjcell.right.adjacent.bottom, adjcell.right.adjacent.right, 1);
fn(cell, adjcell.top, adjcell.right, adjcell.left, adjcell.right.adjacent.top, adjcell.right.adjacent.right, 6);
}
}
}
}
function HeyawakeAssist() {
GreenConnectedInCell();
BlockNotAdjacent();
for (let i = 0; i < board.cell.length; i++) {
let cell = board.cell[i];
let adjcell = cell.adjacent;
let blocknum = 0;
let fn = function (c) {
blocknum += c.isnull || c.qans === 1;
};
fourside(fn, adjcell);
//green escape
if (cell.qans !== 1 && blocknum === 3) {
fourside(add_green, adjcell);
}
//no two facing doors
for (let d = 0; d < 4; d++) {
if (cell.qsub !== 1) { break; }
let pcell = dir(cell.adjacent, d);
let bordernum = 0;
let emptynum = 0;
let emptycell = pcell;
while (!pcell.isnull && pcell.qans !== 1 && emptynum <= 1 && bordernum < 2) {
if (pcell.qsub !== 1) {
emptynum++;
emptycell = pcell;
}
if (dir(pcell.adjborder, d + 2).ques === 1) {
bordernum++;
}
pcell = dir(pcell.adjacent, d);
}
if (bordernum === 2 && emptynum === 1) {
add_block(emptycell);
}
}
}
for (let i = 0; i < board.roommgr.components.length; i++) {
let room = board.roommgr.components[i];
if (room.top.qnum === -1) { continue; }
let blocknum = 0;
let emptynum = 0;
let oddcellList = [];
let evencellList = [];
let minx = room.clist.getRectSize().x2;
let maxx = room.clist.getRectSize().x1;
let miny = room.clist.getRectSize().y2;
let maxy = room.clist.getRectSize().y1;
for (let j = 0; j < room.clist.length; j++) {
let cell = room.clist[j];
blocknum += cell.qans === 1;
emptynum += cell.qans !== 1 && cell.qsub !== 1;
if (cell.qans !== 1 && cell.qsub !== 1 && (cell.bx + cell.by) % 4 === 2) {
oddcellList.push(cell);
}
if (cell.qans !== 1 && cell.qsub !== 1 && (cell.bx + cell.by) % 4 === 0) {
evencellList.push(cell);
}
if (cell.qans !== 1 && cell.qsub !== 1) {
minx = Math.min(minx, cell.bx);
maxx = Math.max(maxx, cell.bx);
miny = Math.min(miny, cell.by);
maxy = Math.max(maxy, cell.by);
}
}
if (emptynum === 0) { continue; }
//finished room
if (blocknum === room.top.qnum) {
for (let j = 0; j < room.clist.length; j++) {
add_green(room.clist[j]);
}
}
//finish room
if (blocknum + emptynum === room.top.qnum) {
for (let j = 0; j < room.clist.length; j++) {
add_block(room.clist[j]);
}
}
//4 in 3*3
if (maxx - minx === 4 && maxy - miny === 4 && blocknum + 4 === room.top.qnum) {
let ccell = board.getc(minx + 2, miny + 2)
add_green(offset(ccell, 0, -1));
add_green(offset(ccell, 0, +1));
add_green(offset(ccell, -1, 0));
add_green(offset(ccell, +1, 0));
let fn = function (c) { return c.isnull || c.qans === 1; }
if (fn(offset(ccell, +2, 0)) || fn(offset(ccell, 0, +2))) { add_block(offset(ccell, -1, -1)); }
if (fn(offset(ccell, +2, 0)) || fn(offset(ccell, 0, -2))) { add_block(offset(ccell, -1, +1)); }
if (fn(offset(ccell, -2, 0)) || fn(offset(ccell, 0, +2))) { add_block(offset(ccell, +1, -1)); }
if (fn(offset(ccell, -2, 0)) || fn(offset(ccell, 0, -2))) { add_block(offset(ccell, +1, +1)); }
}
//2 in 2*2 at corner
if (maxx - minx === 2 && maxy - miny === 2 && blocknum + 2 === room.top.qnum) {
if (minx - 1 === board.minbx && miny - 1 === board.minby || maxx + 1 === board.maxbx && maxy + 1 === board.maxby) {
add_block(board.getc(minx, miny));
add_block(board.getc(maxx, maxy));
}
if (minx - 1 === board.minbx && maxy + 1 === board.maxby || maxx + 1 === board.maxbx && miny - 1 === board.minby) {
add_block(board.getc(minx + 2, miny));
add_block(board.getc(minx, miny + 2));
}
}
//3 in 2*3 at side
if ((maxx - minx === 4 && maxy - miny === 2 || maxx - minx === 2 && maxy - miny === 4) && blocknum + 3 === room.top.qnum) {
if (maxx - 3 === board.minbx || maxy - 3 === board.minby) {
add_block(board.getc(minx, miny + 2));
add_block(board.getc(minx + 2, miny));
}
if (minx + 3 === board.maxbx || miny + 3 == board.maxby) {
add_block(board.getc(maxx, maxy - 2));
add_block(board.getc(maxx - 2, maxy));
}
}
let connectedcellList = [];
let fn = function (c) {
if (connectedcellList.indexOf(c.id) !== -1) { return; }
if (c.isnull || c.qans === 1 || c.qsub === 1) { return; }
if (c.room !== room) { return; }
connectedcellList.push(c.id);
fourside(fn, c.adjacent);
}
fn(oddcellList.length > 0 ? oddcellList[0] : evencellList[0]);
if (connectedcellList.length < emptynum) { continue; }
if (!(maxx - minx <= 2 || maxy - miny <= 2 || (maxx - minx === 4 && maxy - miny === 4))) { continue; }
//add at odd
if (blocknum + oddcellList.length === room.top.qnum && oddcellList.length > evencellList.length) {
for (let j = 0; j < oddcellList.length; j++) {
add_block(oddcellList[j]);
}
}
//add at even
if (blocknum + evencellList.length === room.top.qnum && evencellList.length > oddcellList.length) {
for (let j = 0; j < evencellList.length; j++) {
add_block(evencellList[j]);
}
}
}
}
function AkariAssist() {
let isEmpty = function (c) { return !c.isnull && c.qnum === -1 && c.qans === 0 && c.qsub === 0; };
for (let i = 0; i < board.cell.length; i++) {
let cell = board.cell[i];
let adjcell = cell.adjacent;
let emptynum = 0;
let lightnum = 0;
//add dot where lighted
if (cell.qlight === 1 && cell.qans !== 1) {
add_dot(cell);
}
//only one place can light
if (cell.qnum === -1 && cell.qlight === 0) {
let emptycellList = [];
if (cell.qsub === 0) {
emptycellList.push(cell);
}
for (let d = 0; d < 4; d++) {
let pcell = dir(cell.adjacent, d);
while (!pcell.isnull && pcell.qnum === -1) {
emptycellList.push(pcell);
pcell = dir(pcell.adjacent, d);
}
}
emptycellList = emptycellList.filter(c => c.qsub === 0);
if (emptycellList.length === 1) {
add_light(emptycellList[0]);
}
}
let fn = function (c) {
if (!c.isnull && c.qnum === -1 && c.qsub === 0 && c.qans !== 1) { emptynum++; }
lightnum += (c.qans === 1);
};
fourside(fn, adjcell);
if (cell.qnum >= 0) {
//finished clue
if (cell.qnum === lightnum) {
fourside(add_dot, adjcell);
}
//finish clue
if (cell.qnum === emptynum + lightnum) {
fourside(add_light, adjcell);
}
//dot at corner
if (cell.qnum - lightnum + 1 === emptynum) {
for (let d = 0; d < 4; d++) {
if (isEmpty(dir(adjcell, d)) && isEmpty(dir(adjcell, d + 1)) && isEmpty(dir(dir(adjcell, d).adjacent, d + 1))) {
add_dot(dir(dir(adjcell, d).adjacent, d + 1));
}
}
}
}
}
}
function MasyuAssist() {
SingleLoopInCell(0);
for (let i = 0; i < board.cell.length; i++) {
let cell = board.cell[i];
let adjcell = cell.adjacent;
let adjline = cell.adjborder;
{
for (let d = 0; d < 4; d++) {
if (dir(adjcell, d + 1).qnum === 2 && dir(adjcell, d + 3).qnum === 2 && (dir(adjline, d + 2).isnull || dir(adjline, d + 2).qsub === 2)) {
add_cross(dir(adjline, d));
}
}
}
if (cell.qnum === 1) {//white
for (let d = 0; d < 4; d++) {
//go straight
if (dir(adjline, d).line === 1 || dir(adjline, d + 1).qsub === 2 || dir(adjline, d + 1).isnull) {
add_line(dir(adjline, d));
add_line(dir(adjline, d + 2));
add_cross(dir(adjline, d + 1));
add_cross(dir(adjline, d + 3));
}
//turn at one side
if (dir(adjline, d).line === 1 && dir(dir(adjcell, d).adjborder, d).line === 1) {
add_cross(dir(dir(adjcell, d + 2).adjborder, d + 2));
}
//no turn on both side
if ((!dir(adjcell, d).isnull && (dir(dir(adjcell, d).adjborder, d).line === 1 ||
dir(dir(adjcell, d).adjborder, d + 1).qsub === 2 && dir(dir(adjcell, d).adjborder, d + 3).qsub === 2
) || dir(adjcell, d).qnum === 1) &&
(!dir(adjcell, d + 2).isnull && (dir(dir(adjcell, d + 2).adjborder, d + 2).line === 1 ||
dir(dir(adjcell, d + 2).adjborder, d + 1).qsub === 2 && dir(dir(adjcell, d + 2).adjborder, d + 3).qsub === 2
) || dir(adjcell, d + 2).qnum === 1)) {
add_line(dir(adjline, d + 1));
add_line(dir(adjline, d + 3));
add_cross(dir(adjline, d));
add_cross(dir(adjline, d + 2));
}
}
}
if (cell.qnum === 2) {//black
for (let d = 0; d < 4; d++) {
//can't go straight this way
if (dir(adjcell, d).isnull || dir(adjline, d).qsub === 2 ||
dir(dir(adjcell, d).adjacent, d).isnull || dir(dir(adjcell, d).adjborder, d).qsub === 2 ||
dir(adjcell, d).qnum === 2 || dir(adjline, d + 2).line === 1) {
add_cross(dir(adjline, d));
add_line(dir(adjline, d + 2));
}
//going straight this way will branch
if (dir(adjcell, d).isnull || dir(dir(adjcell, d).adjborder, d + 1).line === 1 ||
dir(dir(adjcell, d).adjborder, d + 3).line === 1) {
add_cross(dir(adjline, d));
add_line(dir(adjline, d + 2));
}
//go straight
if (dir(adjline, d).line === 1) {
add_line(dir(dir(adjcell, d).adjborder, d));
}
}
}
}
}
function SimpleloopAssist() {
SingleLoopInCell(1);
for (let i = 0; i < board.cell.length; i++) {
let cell = board.cell[i];
let adjline = cell.adjborder;
if (cell.ques === 7) {//7 for black block
fourside(add_cross, adjline);
}
}
}
function YajilinAssist() {
SingleLoopInCell(0);
let isPathable = function (c) { return !c.isnull && c.qnum === -1 && c.qans === 0; };
let isEmpty = function (c) { return !c.isnull && c.qnum === -1 && c.qans === 0 && c.qsub === 0 && c.lcnt === 0; };
for (let i = 0; i < board.cell.length; i++) {
let cell = board.cell[i];
let emptynum = 0;
let linenum = 0;
let adjcell = cell.adjacent;
let adjline = cell.adjborder;
//check clue
if (cell.qnum >= 0 && cell.qdir !== 0) {
let d = [-1, 0, 2, 3, 1][cell.qdir];
let emptynum = 0;
let blocknum = 0;
let lastcell = cell;
let pcell = dir(cell.adjacent, d);
let emptycellList = [];
let addcellList = [];
while (!pcell.isnull && (pcell.qdir !== cell.qdir || pcell.qnum < 0)) {
if (isEmpty(pcell)) {
emptynum++;
emptycellList.push(pcell);
}
blocknum += pcell.qans === 1;
if (isEmpty(lastcell) && isEmpty(pcell)) {
lastcell = cell;
emptynum--;
} else {
if (isEmpty(lastcell) && !isEmpty(pcell)) {
addcellList.push(lastcell);
}
lastcell = pcell;
}
pcell = dir(pcell.adjacent, d);
}
if (isEmpty(lastcell)) {
addcellList.push(lastcell);
}
if (!pcell.isnull) {
blocknum += pcell.qnum;
}
//finish clue
if (emptynum + blocknum === cell.qnum) {
addcellList.forEach(cell => add_block(cell, 1));
}
//finished clue
if (blocknum === cell.qnum) {
emptycellList.forEach(cell => add_dot(cell));
}
}
//add cross
if (cell.qnum !== -1) {
fourside(add_cross, adjline);
continue;
}
//add dot around block
if (cell.qans === 1) {
fourside(add_cross, adjline);
fourside(add_dot, adjcell);
continue;
}
let fn = function (c, d) {
if (isPathable(c) && d.qsub !== 2) { emptynum++; }
linenum += d.line === 1;
};
fourside2(fn, adjcell, adjline);
//no branch
if (linenum === 2) {
fourside(add_cross, adjline);
}
//no deadend
if (emptynum <= 1) {
add_block(cell);
fourside(add_cross, adjline);
fourside(add_dot, adjcell);
}
//2 degree cell no deadend
if (emptynum === 2) {
let fn = function (c, d) {
if (!isPathable(c) || d.qsub === 2) { return; }
add_dot(c);
};
fourside2(fn, adjcell, adjline);
}
}
}
function SlitherlinkAssist() {
ui.toolarea.outlineshaded();
let twonum = 0;
let threenum = 0;
for (let i = 0; i < board.cell.length; i++) {
twonum += board.cell[i].qnum === 2;
threenum += board.cell[i].qnum === 3;
}
// deduce cell
for (let i = 0; i < board.cell.length; i++) {
let cell = board.cell[i];
let adjcell = cell.adjacent;
let adjline = cell.adjborder;
let emptynum = 0;
let linenum = 0;
//add cross for 0
if (cell.qnum === 0) {
fourside(add_cross, adjline);
}
let fn = function (d) {
if (d.qsub === 0) { emptynum++; }
linenum += (d.line === 1);
};
fourside(fn, adjline);
//finish number
if (emptynum === cell.qnum) {
fourside(add_line, adjline);
}
//add cross for finished number
if (linenum === cell.qnum) {
fourside(add_cross, adjline);
}
// vertical 3s
if (cell.qnum === 3 && !adjcell.bottom.isnull && adjcell.bottom.qnum === 3 && (threenum > 2 || twonum > 0)) {
add_line(cell.adjborder.top);
add_line(cell.adjborder.bottom);
add_line(adjcell.bottom.adjborder.bottom);
if (!adjcell.left.isnull) { add_cross(adjcell.left.adjborder.bottom); }
if (!adjcell.right.isnull) { add_cross(adjcell.right.adjborder.bottom); }
}
// horizontal 3s
if (cell.qnum === 3 && !adjcell.right.isnull && adjcell.right.qnum === 3 && (threenum > 2 || twonum > 0)) {
add_line(cell.adjborder.left);
add_line(cell.adjborder.right);
add_line(adjcell.right.adjborder.right);
if (!adjcell.top.isnull) { add_cross(adjcell.top.adjborder.right); }
if (!adjcell.bottom.isnull) { add_cross(adjcell.bottom.adjborder.right); }
}
//sub diagonal 3s
if (cell.qnum === 3 && !adjcell.bottom.isnull && !adjcell.bottom.adjacent.left.isnull && adjcell.bottom.adjacent.left.qnum === 3) {
let cell2 = adjcell.bottom.adjacent.left;
add_line(cell.adjborder.top);
add_line(cell.adjborder.right);
add_line(cell2.adjborder.bottom);
add_line(cell2.adjborder.left);
}
//main diagonal 3s
if (cell.qnum === 3 && !adjcell.bottom.isnull && !adjcell.bottom.adjacent.right.isnull && adjcell.bottom.adjacent.right.qnum === 3) {
let cell2 = adjcell.bottom.adjacent.right;
add_line(cell.adjborder.top);
add_line(cell.adjborder.left);
add_line(cell2.adjborder.bottom);
add_line(cell2.adjborder.right);
}
}
//deduce cross
for (let i = 0; i < board.cross.length; i++) {
let cross = board.cross[i];
let crsline = cross.adjborder;
let emptynum = 0;
let linenum = 0;
let fn = function (d) {
if (d !== undefined && !d.isnull && d.qsub === 0) { emptynum++; }
linenum += (d.line === 1);
};
fourside(fn, crsline);
//no deadend or branch
if (emptynum === 1 || linenum === 2) {
fourside(add_cross, crsline);
}
//extend deadend
if (emptynum === 2 && linenum === 1) {
fourside(add_line, crsline);
}
//empty turn with 1 or 3
if (emptynum === 2 && linenum === 0) {
let fn = function (c) { return c !== undefined && !c.isnull && c.qsub === 0; }
if (fn(crsline.top) && fn(crsline.left) && crsline.top.sidecell[0].qnum === 3) { fourside(add_line, crsline); }
if (fn(crsline.top) && fn(crsline.right) && crsline.top.sidecell[1].qnum === 3) { fourside(add_line, crsline); }
if (fn(crsline.bottom) && fn(crsline.left) && crsline.bottom.sidecell[0].qnum === 3) { fourside(add_line, crsline); }
if (fn(crsline.bottom) && fn(crsline.right) && crsline.bottom.sidecell[1].qnum === 3) { fourside(add_line, crsline); }
if (fn(crsline.top) && fn(crsline.left) && crsline.top.sidecell[0].qnum === 1) { fourside(add_cross, crsline); }
if (fn(crsline.top) && fn(crsline.right) && crsline.top.sidecell[1].qnum === 1) { fourside(add_cross, crsline); }
if (fn(crsline.bottom) && fn(crsline.left) && crsline.bottom.sidecell[0].qnum === 1) { fourside(add_cross, crsline); }
if (fn(crsline.bottom) && fn(crsline.right) && crsline.bottom.sidecell[1].qnum === 1) { fourside(add_cross, crsline); }
}
//2 degree turn or line enter
{
let fn = function (c1, c2, c3, c4, c5, c6, c34) {
if (c34.isnull) { return; }
//avoid 1*1 loop with 2 degree turn
if ((c1.isnull || c1.qsub === 2) && (c2.isnull || c2.qsub === 2) && c5.line === 1 && c6.line === 1) {
add_cross(c3);
add_cross(c4);
}
//line enters 1
if (!c1.isnull && c1.line === 1 && (c2.isnull || c2.qsub === 2) && c34.qnum === 1) {
add_cross(c5);
add_cross(c6);
}
//2 degree turn with 2
if ((c1.isnull || c1.qsub === 2) && (c2.isnull || c2.qsub === 2) && (c5.qsub === 2 || c6.qsub === 2) && c34.qnum === 2) {
add_line(c3);
add_line(c4);
add_cross(c5);
add_cross(c6);
}
if ((c1.isnull || c1.qsub === 2) && (c2.isnull || c2.qsub === 2) && (c5.line === 1 || c6.line === 1) && c34.qnum === 2) {
add_cross(c3);
add_cross(c4);
add_line(c5);
add_line(c6);
}
//line enters 3
if (!c1.isnull && c1.line === 1 && c34.qnum === 3) {
add_cross(c2);
add_line(c5);
add_line(c6);
}
//line exit 1
if ((c2.isnull || c2.qsub === 2) && c34.qnum === 1 && c5.qsub === 2 && c6.qsub === 2) {
add_line(c1);
}
//line exit 2
if ((c2.isnull || c2.qsub === 2) && c34.qnum === 2 && (c5.qsub === 2 && c6.line === 1 || c6.qsub === 2 && c5.line === 1)) {
add_line(c1);
}
//line exit 3
if ((c2.isnull || c2.qsub === 2) && c34.qnum === 3 && c5.line === 1 && c6.line === 1) {
add_line(c1);
}
//line should enter 1
if (c1.line === 1 && c34.qnum === 1 && c5.qsub === 2 && c6.qsub === 2) {
add_cross(c2);
}
//line should enter 2
if (c1.line === 1 && c34.qnum === 2 && (c5.qsub === 2 || c6.qsub === 2)) {
add_cross(c2);
add_line(c5);
add_line(c6);
}
};
if (!crsline.bottom.isnull) {
fn(crsline.top, crsline.left, crsline.bottom, crsline.right, crsline.bottom.sidecell[1].adjborder.bottom, crsline.bottom.sidecell[1].adjborder.right, crsline.bottom.sidecell[1]);
fn(crsline.left, crsline.top, crsline.bottom, crsline.right, crsline.bottom.sidecell[1].adjborder.bottom, crsline.bottom.sidecell[1].adjborder.right, crsline.bottom.sidecell[1]);
fn(crsline.top, crsline.right, crsline.bottom, crsline.left, crsline.bottom.sidecell[0].adjborder.bottom, crsline.bottom.sidecell[0].adjborder.left, crsline.bottom.sidecell[0]);
fn(crsline.right, crsline.top, crsline.bottom, crsline.left, crsline.bottom.sidecell[0].adjborder.bottom, crsline.bottom.sidecell[0].adjborder.left, crsline.bottom.sidecell[0]);
}
if (!crsline.top.isnull) {
fn(crsline.bottom, crsline.left, crsline.top, crsline.right, crsline.top.sidecell[1].adjborder.top, crsline.top.sidecell[1].adjborder.right, crsline.top.sidecell[1]);
fn(crsline.left, crsline.bottom, crsline.top, crsline.right, crsline.top.sidecell[1].adjborder.top, crsline.top.sidecell[1].adjborder.right, crsline.top.sidecell[1]);
fn(crsline.bottom, crsline.right, crsline.top, crsline.left, crsline.top.sidecell[0].adjborder.top, crsline.top.sidecell[0].adjborder.left, crsline.top.sidecell[0]);
fn(crsline.right, crsline.bottom, crsline.top, crsline.left, crsline.top.sidecell[0].adjborder.top, crsline.top.sidecell[0].adjborder.left, crsline.top.sidecell[0]);
}
}
}
//avoid forming multiple loop
for (let i = 0; i < board.border.length; i++) {
let border = board.border[i];
if (border.qsub !== 0) { continue; }
if (border.line !== 0) { continue; }
let cr1 = border.sidecross[0];
let cr2 = border.sidecross[1];
if (cr1.path !== null && cr1.path === cr2.path && board.linegraph.components.length > 1) {
add_cross(border);
}
}
//deduce color
for (let i = 0; i < board.cell.length; i++) {
let cell = board.cell[i];
let adjline = cell.adjborder;
let adjcell = cell.adjacent;
//same neighbor color
{
let fn = function (c, d) {
if (!c.isnull && cell.qsub !== 0 && cell.qsub === c.qsub) {
add_cross(d);
}
if (cell.qsub === 2 && c.isnull) {
add_cross(d);
}
};
fourside2(fn, adjcell, adjline);
}
//deduce neighbor color
if (cell.qsub === 0) {
let fn = function (cn, dn) {
if (dn.line === 1 && cn.isnull) {
add_bg_inner_color(cell);
}
if (dn.qsub === 2 && cn.isnull) {
add_bg_outer_color(cell);
}
if (dn.line === 1 && !cn.isnull && cn.qsub !== 0) {
add_bg_color(cell, 3 - cn.qsub);
}
if (dn.qsub === 2 && !cn.isnull && cn.qsub !== 0) {
add_bg_color(cell, cn.qsub);
}
};
fourside2(fn, adjcell, adjline);
}
//checker pattern
if (cell.qsub === 0) {
let fn = function (c, c1, c2, c12) {
if (c1.isnull || c2.isnull || c12.isnull) { return; }
if (c1.qsub === 0 || c2.qsub === 0 || c12.qsub === 0) { return; }
if (c1.qsub === c2.qsub && c1.qsub !== c12.qsub) {
add_bg_color(c, c1.qsub);
}
};
fn(cell, adjcell.top, adjcell.left, adjcell.top.adjacent.left);
fn(cell, adjcell.top, adjcell.right, adjcell.top.adjacent.right);
fn(cell, adjcell.bottom, adjcell.left, adjcell.bottom.adjacent.left);
fn(cell, adjcell.bottom, adjcell.right, adjcell.bottom.adjacent.right);
}
//number and color deduce
if (cell.qnum >= 0) {
let innernum = 0;
let outernum = 0;
let fn = function (c) {
if (!c.isnull && c.qsub === 1) { innernum++; }
if (c.isnull || c.qsub === 2) { outernum++; }
};
fourside(fn, adjcell);
//surrounded by green
if (innernum === 4) {
add_bg_inner_color(cell);
}
if (cell.qnum < innernum || 4 - cell.qnum < outernum) {
add_bg_inner_color(cell);
}
if (cell.qnum < outernum || 4 - cell.qnum < innernum) {
add_bg_outer_color(cell);
}
if (cell.qsub === 1 && cell.qnum === outernum) {
fourside(add_bg_inner_color, adjcell);
}
if (cell.qsub === 2 && cell.qnum === innernum) {
fourside(add_bg_outer_color, adjcell);
}
if (cell.qsub === 2 && cell.qnum === 4 - outernum) {
fourside(add_bg_inner_color, adjcell);
}
if (cell.qsub === 1 && cell.qnum === 4 - innernum) {
fourside(add_bg_outer_color, adjcell);
}
if (cell.qnum === 2 && outernum === 2) {
fourside(add_bg_inner_color, adjcell);
}
if (cell.qnum === 2 && innernum === 2) {
fourside(add_bg_outer_color, adjcell);
}
//2 different color around 1 or 3
{
let fn = function (c, d) {
if (!c.isnull && c.qsub === 0) {
if (cell.qnum === 1) { add_cross(d); }
if (cell.qnum === 3) { add_line(d); }
}
};
if ((cell.qnum === 1 || cell.qnum === 3) && innernum === 1 && outernum === 1) {
fourside2(fn, adjcell, adjline);
}
}
//same diagonal color as 3
if (cell.qnum === 3 && cell.qsub !== 0) {
for (let d = 0; d < 4; d++) {
if (!dir(adjcell, d).isnull && !dir(adjcell, d + 1).isnull && dir(dir(adjcell, d).adjacent, d + 1).qsub === cell.qsub) {
add_line(dir(adjline, d + 2));
add_line(dir(adjline, d + 3));
}
}
}
}
}
}
})();
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