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"use strict"
const Tile = Object.freeze({
NEUTRAL: 0,
BLACK: 1,
GREEN: 2,
RED: 3,
BLUE: 4,
});
function cyrb128(str) {
let h1 = 1779033703, h2 = 3144134277,
h3 = 1013904242, h4 = 2773480762;
for (let i = 0, k; i < str.length; i++) {
k = str.charCodeAt(i);
h1 = h2 ^ Math.imul(h1 ^ k, 597399067);
h2 = h3 ^ Math.imul(h2 ^ k, 2869860233);
h3 = h4 ^ Math.imul(h3 ^ k, 951274213);
h4 = h1 ^ Math.imul(h4 ^ k, 2716044179);
}
h1 = Math.imul(h3 ^ (h1 >>> 18), 597399067);
h2 = Math.imul(h4 ^ (h2 >>> 22), 2869860233);
h3 = Math.imul(h1 ^ (h3 >>> 17), 951274213);
h4 = Math.imul(h2 ^ (h4 >>> 19), 2716044179);
h1 ^= (h2 ^ h3 ^ h4), h2 ^= h1, h3 ^= h1, h4 ^= h1;
return [h1>>>0, h2>>>0, h3>>>0, h4>>>0];
}
function sfc32(a, b, c, d) {
return function() {
a |= 0; b |= 0; c |= 0; d |= 0;
let t = (a + b | 0) + d | 0;
d = d + 1 | 0;
a = b ^ b >>> 9;
b = c + (c << 3) | 0;
c = (c << 21 | c >>> 11);
c = c + t | 0;
return (t >>> 0) / 4294967296;
}
}
function shuffle(array, rand) {
let currentIndex = array.length - 1;
while (currentIndex !== 0) {
let otherIndex = Math.floor(rand() * (currentIndex + 1));
[array[currentIndex], array[otherIndex]] = [array[otherIndex], array[currentIndex]];
currentIndex--;
}
}
function generateEmptyGrid(width, height){
let grid = [];
for (let ii = 0; ii < height; ii++) {
let line = Array(width);
line.fill(Tile.NEUTRAL);
grid.push(line)
}
return grid;
}
function getPositions(width, height) {
let positions = [];
for (let ii = 0; ii < height; ii++) {
for (let jj = 0; jj < width; jj++) {
positions.push([ii, jj]);
}
}
return positions;
}
function getPosIndexByValue(array, pos) {
for (let ii = 0; ii < array.length; ii++) {
if (array[ii][0] === pos[0] && array[ii][1] === pos[1]) {
return ii;
}
}
return -1;
}
function generateDuetGrids(width, height, greenCount, blackCount, commonGreenCount, commonBlackCount, blackGreenCount, seed) {
let seed_array = cyrb128(seed);
let rand = sfc32(seed_array[0], seed_array[1], seed_array[2], seed_array[3]);
let blackNeutralCount = blackCount - commonBlackCount - blackGreenCount;
let greenNeutralCount = greenCount - commonGreenCount - blackGreenCount;
let p1 = generateEmptyGrid(width, height);
let p2 = generateEmptyGrid(width, height);
let p1NeutralPositions = getPositions(width, height);
let p2NeutralPositions = getPositions(width, height);
shuffle(p1NeutralPositions, rand);
shuffle(p2NeutralPositions, rand);
let p1GreenPositions = [];
let p1BlackPositions = [];
// P1 generation
for (let ii = 0; ii < greenCount; ii++) {
let pos = p1NeutralPositions.pop();
p1GreenPositions.push(pos);
p1[pos[0]][pos[1]] = Tile.GREEN;
}
for (let ii = 0; ii < blackCount; ii++) {
let pos = p1NeutralPositions.pop();
p1BlackPositions.push(pos);
p1[pos[0]][pos[1]] = Tile.BLACK;
}
// P2 BLACK generation
for (let ii = 0; ii < commonBlackCount; ii++) {
let pos = p1BlackPositions.pop();
p2NeutralPositions.splice(getPosIndexByValue(p2NeutralPositions, pos), 1);
p2[pos[0]][pos[1]] = Tile.BLACK;
}
for (let ii = 0; ii < blackGreenCount; ii++) {
let pos = p1GreenPositions.pop();
p2NeutralPositions.splice(getPosIndexByValue(p2NeutralPositions, pos), 1);
p2[pos[0]][pos[1]] = Tile.BLACK;
}
for (let ii = 0; ii < blackNeutralCount; ii++) {
let pos = p1NeutralPositions.pop();
p2NeutralPositions.splice(getPosIndexByValue(p2NeutralPositions, pos), 1);
p2[pos[0]][pos[1]] = Tile.BLACK;
}
// P2 GREEN generation
for (let ii = 0; ii < commonGreenCount; ii++) {
let pos = p1GreenPositions.pop();
p2NeutralPositions.splice(getPosIndexByValue(p2NeutralPositions, pos), 1);
p2[pos[0]][pos[1]] = Tile.GREEN;
}
for (let ii = 0; ii < blackGreenCount; ii++) {
let pos = p1BlackPositions.pop();
p2NeutralPositions.splice(getPosIndexByValue(p2NeutralPositions, pos), 1);
p2[pos[0]][pos[1]] = Tile.GREEN;
}
for (let ii = 0; ii < greenNeutralCount; ii++) {
let pos = p1NeutralPositions.pop();
p2NeutralPositions.splice(getPosIndexByValue(p2NeutralPositions, pos), 1);
p2[pos[0]][pos[1]] = Tile.GREEN;
}
return [p1, p2];
}
function parseAndGenerateDuet()
{
let params = new URLSearchParams(window.location.search);
if (params.has("w") && params.has("h") && params.has("g") && params.has("b") &&
params.has("cg") && params.has("cb") && params.has("bg") && params.has("s")) {
return generateDuetGrids(+params.get("w"), +params.get("h"), +params.get("g"), +params.get("b"),
+params.get("cg"), +params.get("cb"), +params.get("bg"), params.get("s"));
}
return null;
}
function generate_for_current_page() {
const duetP1 = document.getElementById("duet_p1");
const duetP2 = document.getElementById("duet_p2");
if (duetP1 !== null || duetP2 !== null) {
let grids = parseAndGenerateDuet();
if (grids == null) {
return;
}
const gridRoot = duetP1;
let grid = grids[0];
for (let ii = 0; ii < grid.length; ii++) {
let row = grid[ii];
let rowDiv = document.createElement("div");
rowDiv.classList.add("tile_row");
gridRoot.appendChild(rowDiv);
for (let jj = 0; jj < row.length; jj++) {
let tileDiv = document.createElement("div");
tileDiv.classList.add("tile");
rowDiv.appendChild(tileDiv);
switch (grid[ii][jj]) {
case Tile.NEUTRAL:
tileDiv.classList.add("neutral");
break;
case Tile.BLACK:
tileDiv.classList.add("black");
break;
case Tile.GREEN:
tileDiv.classList.add("green");
break;
case Tile.RED:
tileDiv.classList.add("red");
break;
case Tile.BLUE:
tileDiv.classList.add("blue");
break;
}
}
}
}
}
generate_for_current_page();
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