Do trivial deduction.
当前为
// ==UserScript==
// @name Puzz.link Assistance
// @version 1.0
// @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 = 20;
let flg = true;
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 = 1;
if (/slither/.test(document.URL)) { SlitherlinkAssist(); }
if (/yaji[lr]in/.test(document.URL)) { YajilinAssist(); }
if (/simpleloop/.test(document.URL)) { SimpleloopAssist(); }
console.log('Assisted.');
}
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 (d) {
if (d === undefined || d.isnull || d.line === 1 || d.qsub === 2) { return; }
flg = 1;
d.setQsub(2);
d.draw();
};
let add_line = function (d) {
if (d === undefined || d.isnull || d.qsub === 2 || d.line === 1) { return; }
flg = 1;
d.setLine(1);
d.draw();
};
let add_block = function (c) {
if (c === undefined || c.isnull || c.qnum !== -1 || c.lcnt !== 0 || c.qsub === 1 || c.qans === 1) { return; }
flg = 1;
c.setQans(1);
c.draw();
};
let add_dot = function (c) {
if (c === undefined || c.isnull || c.qnum !== -1 || c.qans !== 0 || c.qsub === 1) { return; }
flg = 1;
c.setQsub(1);
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, 1);
}
let add_bg_outer_color = function (c) {
add_bg_color(c, 2);
}
let SingleLoopInCell = function (inPath) {
let board = ui.puzzle.board;
let cell = board.cell;
let border = board.border;
for (let i = 0; i < cell.length; i++) {
let emptynum = 0;
let linenum = 0;
let adjcell = cell[i].adjacent;
let adjline = cell[i].adjborder;
let fn = function (c, d) {
if (!c.isnull && 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) {
fourside(add_cross, adjline);
}
//2 degree path
if (emptynum === 2 && (linenum === 1 || cell[i].qsub === 1 || inPath)) {
fourside(add_line, adjline);
}
}
//avoid forming multiple loop
for (let i = 0; i < border.length; i++) {
if (border[i].qsub !== 0) { continue; }
if (border[i].line !== 0) { continue; }
let cr1 = border[i].sidecell[0];
let cr2 = border[i].sidecell[1];
if (cr1.path !== null && cr1.path === cr2.path && board.linegraph.components.length > 1) {
add_cross(border[i]);
}
}
};
function SimpleloopAssist() {
let board = ui.puzzle.board;
let cell = board.cell;
for (let loop = 0; loop < maxLoop; loop++) {
if (!flg) { break; }
flg = false;
for (let i = 0; i < cell.length; i++) {
let adjline = cell[i].adjborder;
if (cell[i].ques === 7) {
fourside(add_cross, adjline);
}
SingleLoopInCell(1);
}
}
}
function YajilinAssist() {
let board = ui.puzzle.board;
let cell = board.cell;
let border = board.border;
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; };
for (let loop = 0; loop < maxLoop; loop++) {
if (!flg) { break; }
flg = false;
for (let i = 0; i < cell.length; i++) {
let emptynum = 0;
let linenum = 0;
let adjcell = cell[i].adjacent;
let adjline = cell[i].adjborder;
//check clue
if (cell[i].qnum !== -1 && cell[i].qdir !== 0) {
let qnum = cell[i].qnum;
let qdir = cell[i].qdir;
let dirs = [[], [-1, 0], [1, 0], [0, -1], [0, 1]];//Top Bottom Left Right
let rows = board.rows, cols = board.cols;
let x = Math.floor(i / cols);
let y = i % cols;
let emptynum = 0;
let blocknum = 0;
let lastcell = i;
while (x >= 0 && y >= 0 && x < rows && y < cols) {
emptynum += isEmpty(cell[x * cols + y]);
blocknum += cell[x * cols + y].qans === 1;
if (isEmpty(cell[lastcell]) && isEmpty(cell[x * cols + y])) {
lastcell = i;
emptynum--;
} else {
lastcell = x * cols + y;
}
x += dirs[qdir][0];
y += dirs[qdir][1];
}
//finish clue
if (emptynum + blocknum === qnum) {
x = Math.floor(i / cols);
y = i % cols;
lastcell = i;
while (x >= 0 && y >= 0 && x < rows && y < cols) {
if (!isEmpty(cell[x * cols + y]) && isEmpty(cell[lastcell])) {
add_block(cell[lastcell]);
}
if (isEmpty(cell[x * cols + y]) && isEmpty(cell[lastcell])) {
lastcell = i;
} else {
lastcell = x * cols + y;
}
x += dirs[qdir][0];
y += dirs[qdir][1];
}
if (isEmpty(cell[lastcell])) {
add_block(cell[lastcell]);
}
}
//finished clue
if (blocknum === qnum) {
x = Math.floor(i / cols);
y = i % cols;
while (x >= 0 && y >= 0 && x < rows && y < cols) {
if (isEmpty(cell[x * cols + y])) {
add_dot(cell[x * cols + y]);
}
x += dirs[qdir][0];
y += dirs[qdir][1];
}
}
//add cross
fourside(add_cross, adjline);
}
if (cell[i].qnum !== -1) {
continue;
}
//add dot around block
if (cell[i].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[i]);
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);
}
}
SingleLoopInCell(0);
}
}
function SlitherlinkAssist() {
let board = ui.puzzle.board;
let cell = board.cell;
let cross = board.cross;
let border = board.border;
for (let loop = 0; loop < maxLoop; loop++) {
board.outlineShaded();
if (!flg) { break; }
flg = false;
// deduce cell
for (let i = 0; i < cell.length; i++) {
let adjline = cell[i].adjborder;
let emptynum = 0;
let linenum = 0;
//add cross for 0
if (cell[i].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[i].qnum) {
fourside(add_line, adjline);
}
//add cross for finished number
if (linenum === cell[i].qnum) {
fourside(add_cross, adjline);
}
// vertical 3s
if (cell[i].qnum === 3 && cell[i].adjacent.bottom !== undefined && cell[i].adjacent.bottom.qnum === 3) {
add_line(cell[i].adjborder.top);
add_line(cell[i].adjborder.bottom);
add_line(cell[i].adjacent.bottom.adjborder.bottom);
if (cell[i].adjacent.left !== undefined) { add_cross(cell[i].adjacent.left.adjborder.bottom); }
if (cell[i].adjacent.right !== undefined) { add_cross(cell[i].adjacent.right.adjborder.bottom); }
}
// horizontal 3s
if (cell[i].qnum === 3 && cell[i].adjacent.right !== undefined && cell[i].adjacent.right.qnum === 3) {
add_line(cell[i].adjborder.left);
add_line(cell[i].adjborder.right);
add_line(cell[i].adjacent.right.adjborder.right);
if (cell[i].adjacent.top !== undefined) { add_cross(cell[i].adjacent.top.adjborder.right); }
if (cell[i].adjacent.bottom !== undefined) { add_cross(cell[i].adjacent.bottom.adjborder.right); }
}
//sub diagonal 3s
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;
add_line(cell[i].adjborder.top);
add_line(cell[i].adjborder.right);
add_line(cell2.adjborder.bottom);
add_line(cell2.adjborder.left);
}
//main diagonal 3s
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;
add_line(cell[i].adjborder.top);
add_line(cell[i].adjborder.left);
add_line(cell2.adjborder.bottom);
add_line(cell2.adjborder.right);
}
}
//deduce cross
for (let i = 0; i < cross.length; i++) {
let adjline = cross[i].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, adjline);
//no deadend or branch
if (emptynum === 1 || linenum === 2) {
fourside(add_cross, adjline);
}
//extend deadend
if (emptynum === 2 && linenum === 1) {
fourside(add_line, adjline);
}
//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(adjline.top) && fn(adjline.left) && adjline.top.sidecell[0].qnum === 3) { fourside(add_line, adjline); }
if (fn(adjline.top) && fn(adjline.right) && adjline.top.sidecell[1].qnum === 3) { fourside(add_line, adjline); }
if (fn(adjline.bottom) && fn(adjline.left) && adjline.bottom.sidecell[0].qnum === 3) { fourside(add_line, adjline); }
if (fn(adjline.bottom) && fn(adjline.right) && adjline.bottom.sidecell[1].qnum === 3) { fourside(add_line, adjline); }
if (fn(adjline.top) && fn(adjline.left) && adjline.top.sidecell[0].qnum === 1) { fourside(add_cross, adjline); }
if (fn(adjline.top) && fn(adjline.right) && adjline.top.sidecell[1].qnum === 1) { fourside(add_cross, adjline); }
if (fn(adjline.bottom) && fn(adjline.left) && adjline.bottom.sidecell[0].qnum === 1) { fourside(add_cross, adjline); }
if (fn(adjline.bottom) && fn(adjline.right) && adjline.bottom.sidecell[1].qnum === 1) { fourside(add_cross, adjline); }
}
}
//avoid forming multiple loop
for (let i = 0; i < border.length; i++) {
if (border[i].qsub !== 0) { continue; }
if (border[i].line !== 0) { continue; }
let cr1 = border[i].sidecross[0];
let cr2 = border[i].sidecross[1];
if (cr1.path !== null && cr1.path === cr2.path && board.linegraph.components.length > 1) {
add_cross(border[i]);
}
}
//deduce color
for (let i = 0; i < cell.length; i++) {
let adjline = cell[i].adjborder;
let adjcell = cell[i].adjacent;
//deduce neighbor color
{
let fn = function (cn, dn) {
if (dn.line === 1 && cn.isnull) {
add_bg_inner_color(cell[i]);
}
if (dn.qsub === 2 && cn.isnull) {
add_bg_outer_color(cell[i]);
}
if (dn.line === 1 && !cn.isnull && cn.qsub !== 0) {
add_bg_color(cell[i], 3 - cn.qsub);
}
if (dn.qsub === 2 && !cn.isnull && cn.qsub !== 0) {
add_bg_color(cell[i], cn.qsub);
}
};
fourside2(fn, adjcell, adjline);
}
//number and color deduce
{
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);
if (innernum === 4) {
add_bg_inner_color(cell[i]);
}
if (outernum === 4) {
add_bg_outer_color(cell[i]);
}
if (cell[i].qnum === -1) {
continue;
}
if (cell[i].qnum < innernum || 4 - cell[i].qnum < outernum) {
add_bg_inner_color(cell[i]);
}
if (cell[i].qnum < outernum || 4 - cell[i].qnum < innernum) {
add_bg_outer_color(cell[i]);
}
if (cell[i].qsub === 1 && cell[i].qnum === outernum) {
fourside(add_bg_inner_color, adjcell);
}
if (cell[i].qsub === 2 && cell[i].qnum === innernum) {
fourside(add_bg_outer_color, adjcell);
}
if (cell[i].qsub === 2 && cell[i].qnum === 4 - outernum) {
fourside(add_bg_inner_color, adjcell);
}
if (cell[i].qsub === 1 && cell[i].qnum === 4 - innernum) {
fourside(add_bg_outer_color, adjcell);
}
if (cell[i].qnum === 2 && outernum === 2) {
fourside(add_bg_inner_color, adjcell);
}
if (cell[i].qnum === 2 && innernum === 2) {
fourside(add_bg_outer_color, adjcell);
}
}
//checker pattern
{
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[i], adjcell.top, adjcell.left, adjcell.top.adjacent.left);
fn(cell[i], adjcell.top, adjcell.right, adjcell.top.adjacent.right);
fn(cell[i], adjcell.bottom, adjcell.left, adjcell.bottom.adjacent.left);
fn(cell[i], adjcell.bottom, adjcell.right, adjcell.bottom.adjacent.right);
}
}
}
}
})();
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