browser-go-proto/js/main.js
2019-08-12 08:32:09 -07:00

832 lines
27 KiB
JavaScript

/*----- constants -----*/
const STONES_DATA = {
'-1': 'white',
'0': 'none',
'1': 'black',
'k': 'ko'
}
const DOTS_DATA = {
'-1': 'white',
'0': 'none',
'1': 'black',
'd': 'dame',
}
const RANKS = [
'30k', '29k', '28k', '27k', '26k', '25k', '24k', '23k', '22k', '21k', '20k',
'19k', '18k', '17k', '16k', '15k', '14k', '13k', '12k', '11k', '10k',
'9k', '8k', '7k', '6k', '5k', '4k', '3k', '2k', '1k',
'1d', '2d', '3d', '4d', '5d', '6d', '7d', '8d', '9d'
];
// index corresponds to difference in player rank
const KOMI_REC = {
'9': [
5.5, 2.5, -0.5, -3.5, -6.5, -9.5, 12.5, 15.5, 18.5, 21.5
],
'13': [
5.5, 0.5, -5.5, 0.5, -5.5, 0.5, -5.5, 0.5, -5.5, 0.5
],
'19': [
7.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5
]
}
const HANDI_REC = {
'9': [
0, 0, 0, 0, 0, 0, 0, 0, 0, 0
],
'13': [
0, 0, 0, 2, 2, 3, 3, 4, 4, 5
],
'19': [
0, 0, 2, 3, 4, 5, 6, 7, 8, 9
]
}
const PLACEMENT_SOUNDS = {
soft: [
'audio/go_soft.wav',
'audio/go_soft_2.wav',
'audio/go_soft_3.wav',
'audio/go_soft_4.wav',
'audio/go_soft_5.wav',
'audio/go_soft_6.wav',
'audio/go_soft_7.wav'
],
loud: [
'audio/go_loud.wav',
'audio/go_loud_2.wav',
'audio/go_loud_3.wav',
'audio/go_loud_4.wav',
]
}
const gameState = { // pre-init values (render prior to any player input)
winner: null,
turn: null, // turn logic depends on handicap stones
pass: null, // -1 represents state in which resignation has been submitted, not confirmed
komi: null, // komi depends on handicap stones + player rank
handicap: null,
boardSize: null,
playerState: {
bCaptures: null,
wCaptures: null,
bScore: null,
wScore: null
},
gameMeta: { // declared at game start and not editable after
date: null, // contains metadata
start: false
},
playerMeta: { // editable during game
b: {
name: null,
rank: null,
rankCertain: false
},
w: {
name: null,
rank: null,
rankCertain: false
},
},
groups: {},
gameRecord : []
}
// index represents handicap placement for different board-sizes, eg handiPlace['9][1] = { (3, 3), (7, 7) }
// last array in each property also used for hoshi rendering
const HANDI_PLACE = {
'9' : [
0, 0,
[[ 7, 3 ], [ 3, 7 ] ],
[ [ 7, 7 ], [ 7, 3 ], [ 3, 7 ] ],
[ [ 3, 3 ], [ 7, 7 ], [ 3, 7 ], [ 7, 3 ] ]
],
'13' : [
0, 0,
[ [ 4, 10 ], [ 10, 4 ] ],
[ [ 10, 10 ], [ 4, 10 ], [ 10, 4] ],
[ [ 4, 4 ], [ 10, 10 ], [ 4, 10 ], [ 10, 4] ],
[ [ 7, 7 ], [ 4, 4 ], [ 10, 10 ], [ 4, 10 ], [ 10, 4] ],
[ [ 7, 4 ], [ 4, 7 ], [ 4, 4 ], [ 10, 10 ], [ 4, 10 ], [ 10, 4] ],
[ [ 7, 7 ], [ 7, 4 ], [ 4, 7 ], [ 4, 4 ], [ 10, 10 ], [ 4, 10 ], [ 10, 4] ],
[ [ 10, 7 ], [ 7, 4 ], [ 7, 10 ], [ 4, 7 ], [ 4, 4 ], [ 10, 10 ], [ 4, 10 ], [ 10, 4] ],
[ [ 7, 7 ], [ 10, 7 ], [ 7, 4 ], [ 7, 10 ], [ 4, 7 ], [ 4, 4 ], [ 10, 10 ], [ 4, 10 ], [ 10, 4] ],
],
'19' : [
0, 0,
[ [ 4, 16 ], [ 16, 4 ] ],
[ [ 16, 16 ], [ 4, 16 ], [ 16, 4] ],
[ [ 4, 4 ], [ 16, 16 ], [ 4, 16 ], [ 16, 4] ],
[ [ 10, 10 ], [ 4, 4 ], [ 16, 16 ], [ 4, 16 ], [ 16, 4] ],
[ [ 10, 4 ], [ 4, 10 ], [ 4, 4 ], [ 16, 16 ], [ 4, 16 ], [ 16, 4] ],
[ [ 10, 10 ], [ 10, 4 ], [ 4, 10 ], [ 4, 4 ], [ 16, 16 ], [ 4, 16 ], [ 16, 4] ],
[ [ 16, 10 ], [ 10, 4 ], [ 10, 16 ], [ 4, 10 ], [ 4, 4 ], [ 16, 16 ], [ 4, 16 ], [ 16, 4] ],
[ [ 10, 10 ], [ 16, 10 ], [ 10, 4 ], [ 10, 16 ], [ 4, 10 ], [ 4, 4 ], [ 16, 16 ], [ 4, 16 ], [ 16, 4] ],
]
};
class Point {
constructor(x, y) {
this.pos = [ x, y ]
this.stone = 0; // this is where move placement will go 0, 1, -1, also contains ko: 'k'
this.legal;
this.territory;
this.capturing = [];
this.groupMembers = [ this ];
this.neighbors = {
top: {},
btm: {},
lft: {},
rgt: {}
}
this.neighbors.top = x > 1 ? [ x - 1, y ] : null;
this.neighbors.btm = x < gameState.boardSize ? [ x + 1, y ] : null;
this.neighbors.rgt = y < gameState.boardSize ? [ x, y + 1 ] : null;
this.neighbors.lft = y > 1 ? [ x, y - 1 ] : null;
}
checkNeighbors = () => {
let neighborsArr = [];
for (let neighbor in this.neighbors) {
let nbr = this.neighbors[neighbor];
// neighbor exists it's point is stored as { rPos, cPos}
if ( nbr !== null ) {
neighborsArr.push(boardState.find(pt => pt.pos[0] === nbr[0] && pt.pos[1] === nbr[1]))
}
};
// returns array of existing neighbors to calling function
return neighborsArr;
}
getLiberties = () => {
let neighborsArr = this.checkNeighbors().filter(pt => pt.stone === 0);
return neighborsArr;
}
joinGroup = () => {
this.groupMembers = this.groupMembers.filter(grp => grp.stone === this.stone);
this.groupMembers.push(this);
let frns = this.checkNeighbors().filter(nbr => nbr.stone === this.stone);
for (let frn of frns) {
this.groupMembers.push(frn);
}
this.groupMembers = Array.from(new Set(this.groupMembers));
for (let grpMem in this.groupMembers) {
this.groupMembers = Array.from(new Set(this.groupMembers.concat(this.groupMembers[grpMem].groupMembers)));
}
for (let grpMem in this.groupMembers) {
this.groupMembers[grpMem].groupMembers = Array.from(new Set(this.groupMembers[grpMem].groupMembers.concat(this.groupMembers)));
}
}
checkCapture = () => {
let opps = this.checkNeighbors().filter(nbr => nbr.stone === gameState.turn * -1
&& nbr.getLiberties().every(liberty => liberty === this));
for (let opp of opps) {
if (opp.groupMembers.every(stone => stone.getLiberties().filter(liberty => liberty !== this).length === 0)) {
this.capturing = this.capturing.concat(opp.groupMembers);
};
}
this.capturing = Array.from(new Set(this.capturing));
return this.capturing;
}
checkGroup = () => { // liberty is true when called by move false when called by check Capture
let frns = this.checkNeighbors().filter(nbr => nbr.stone === gameState.turn);
for (let frn in frns) {
if (frns[frn].groupMembers.find(stone => stone.getLiberties().find(liberty => liberty !== this))) return true;
continue;
}
}
cycleTerritory = () => {
if (this.stone) {
this.groupMembers.forEach(pt => pt.territory = pt.territory * -1);
} else {
this.groupMembers.forEach(pt => {
switch (pt.territory) {
case 1:
pt.territory = -1;
break;
case -1:
pt.territory = 'd';
break;
case 'd':
pt.territory = 1;
break;
}
});
}
}
}
/*----- app's state (variables) -----*/
let boardState = [];
/*----- cached element references -----*/
const whiteCapsEl = document.getElementById('white-caps');
const blackCapsEl = document.getElementById('black-caps');
const modalEl = document.querySelector('.modal');
const komiSliderEl = document.querySelector('input[name="komi-slider"]');
const handiSliderEl = document.querySelector('input[name="handicap-slider"]');
const blackRankEl = document.getElementById('black-rank');
const blackRankUpEl = document.getElementById('black-rank-up');
const blackRankDownEl = document.getElementById('black-rank-down');
const whiteRankEl = document.getElementById('white-rank');
const whiteRankUpEl = document.getElementById('black-rank-up');
const whiteRankDownEl = document.getElementById('black-rank-down');
const blackNameInputEl = document.querySelector('input[name="black-name"]')
const whiteNameInputEl = document.querySelector('input[name="white-name"]')
const blackNameDisplayEl = document.querySelector('h4#black-player-name');
const whiteNameDisplayEl = document.querySelector('h4#white-player-name');
const gameHudEl = document.querySelector('#game-hud p');
const dateEl = document.getElementById('date');
const boardSizeEl = document.getElementById('board-size-radio');
const komiDisplayEl = document.getElementById('komi');
const handiDisplayEl = document.getElementById('handicap');
const boardEl = document.querySelector('#board tbody');
const gameStartEl = document.querySelector('input[name="game-start"]');
const komiSuggestEl = document.querySelector('input[name="komi-suggest"]');
const soundPlayerEl = new Audio();
const boardSizeRadioEls = [
document.querySelectorAll('input[name="board-size"')[0],
document.querySelectorAll('input[name="board-size"')[1],
document.querySelectorAll('input[name="board-size"')[2]
];
/*----- event listeners -----*/
document.getElementById('board').addEventListener('mousemove', hoverPreview);
document.getElementById('board').addEventListener('click', clickBoard);
document.getElementById('white-bowl').addEventListener('click',clickPass);
document.getElementById('black-bowl').addEventListener('click',clickPass);
document.getElementById('kifu').addEventListener('click', clickMenuOpen);
document.getElementById('white-caps-space').addEventListener('click', clickResign);
document.getElementById('black-caps-space').addEventListener('click', clickResign);
modalEl.addEventListener('click', clickCloseMenu);
komiSliderEl.addEventListener('change', changeUpdateKomi);
handiSliderEl.addEventListener('change', changeUpdateHandicap);
document.getElementById('player-meta').addEventListener('click', clickUpdatePlayerMeta);
document.getElementById('player-meta').addEventListener('change', clickUpdatePlayerMeta);
komiSuggestEl.addEventListener('click', clickKomiSuggestion);
gameHudEl.addEventListener('click', clickGameHud);
boardSizeEl.addEventListener('click', clickBoardSize);
gameStartEl.addEventListener('click', clickSubmitStart);
/*----- FUNCTIONS ----------------------------------*/
/*----- init functions -----*/
init();
function init() {
gameState.gameMeta.date = getDate();
gameState.komi = 5.5;
gameState.handicap = 0;
gameState.winner = null;
gameState.pass = null;
gameState.boardSize = 19;
gameState.playerState.bCaptures = 0;
gameState.playerMeta.b.rank = 21;
gameState.playerState.wCaptures = 0;
gameState.playerMeta.w.rank = 21;
gameState.gameRecord = [];
boardState = [];
gameState.gameMeta.start = false;
startMenu();
};
function getDate() {
let d = new Date;
return `${d.getFullYear()}-${String(d.getMonth()+1).charAt(-1)||0}${String(d.getMonth()+1).charAt(-0)}-${String(d.getDate()).charAt(-1)||0}${String(d.getDate()+1).charAt(-0)}`
}
function startMenu() {
modalEl.style.visibility = 'visible';
renderMenu();
}
function clickSubmitStart(evt) {
if (gameState.gameMeta.start) return init();
evt.preventDefault();
evt.stopPropagation();
gameState.playerMeta.b.name = blackNameInputEl.value || 'black';
gameState.playerMeta.w.name = whiteNameInputEl.value || 'white';
modalEl.style.visibility = 'hidden';
initGame();
}
function initGame() {
gameState.winner = null;
gameState.pass = null;
gameState.turn = gameState.handicap ? -1 : 1;
gameState.gameMeta.start = true;
initBoard();
renderBoardInit();
renderGame();
}
function initBoard() {
let i = 0;
while (i < gameState.boardSize * gameState.boardSize) {
let point = new Point( Math.floor(i / gameState.boardSize) + 1, i % gameState.boardSize + 1)
boardState.push(point);
i++;
}
initHandi();
}
function initHandi() {
if (gameState.handicap < 2) return;
HANDI_PLACE[gameState.boardSize][gameState.handicap].forEach(pt => {
if (!pt) return;
let handi = findPointFromIdx(pt);
handi.stone = 1;
handi.joinGroup();
})
}
/*----- meta functions -----*/
// include save function
// unpack existing gamerecords
// globalGameRecord = JSON.parse(localStorage.getItem('browser-go-saved-games'));
// append current game record to globalGameRecord - globalGameRecord.gameName = gameState
// stringify all stored gamerecords JSON.stringify(globalGameRecord)
// localStorage.clear()
// localStorage.setItem('browser-go-saved-games')
// load function
// unpack existing gamerecords - globalGameRecord = JSON.parse(localStorage.getItem('browser-))
// display each game record name - Object.keys(globalGameRecord).forEach( ... )
// upon user selection initgame from gameState meta data
// undo last move
// set up gameState var to track number of 'misclicks'
// after every move JSON.stringify(localGameRecord)
// localStorage.clear()
// localStorage.setItem()
// on undo click - load JSON.parse(localStorage.getItem())
// reset gameState
// plus general purpose
function findPointFromIdx(arr) {
return pointFromIdx = boardState.find( point => point.pos[0] === arr[0] && point.pos[1] === arr[1] );
}
function changeUpdateKomi(evt) {
evt.stopPropagation();
komiDisplayEl.textContent = komiSliderEl.value;
gameState.komi = komiSliderEl.value;
renderMenu();
}
function changeUpdateHandicap(evt) {
evt.stopPropagation();
handiDisplayEl.textContent = handiSliderEl.value !== 1 ? handiSliderEl.value : 0;
gameState.handicap = handiSliderEl.value !== 1 ? handiSliderEl.value : 0;
renderMenu();
}
function clickUpdatePlayerMeta(evt) {
evt.stopPropagation();
if (evt.target.id) {
switch (evt.target.id) {
case 'black-rank-up':
if (gameState.playerMeta.b.rank < RANKS.length - 1) gameState.playerMeta.b.rank++;
break;
case 'black-rank-down':
if (gameState.playerMeta.b.rank > 0) gameState.playerMeta.b.rank--;
break;
case 'white-rank-up':
if (gameState.playerMeta.w.rank < RANKS.length - 1) gameState.playerMeta.w.rank++;
break;
case 'white-rank-down':
if (gameState.playerMeta.w.rank > 0) gameState.playerMeta.w.rank--;
break;
}
}
if (evt.target.name = 'black-rank-certain') gameState.playerMeta.b.rankCertain = !gameState.playerMeta.b.rankCertain;
if (evt.target.name = 'white-rank-certain') gameState.playerMeta.w.rankCertain = !gameState.playerMeta.w.rankCertain;
renderMenu();
}
function clickBoardSize(evt) {
evt.stopPropagation();
gameState.boardSize = boardSizeRadioEls.find(el => el.checked === true).value;
renderMenu();
}
function clickKomiSuggestion(evt) {
evt.preventDefault();
evt.stopPropagation();
if (gameState.gameMeta.start) {
gameState.playerMeta.b.name = blackNameInputEl.value || 'black';
gameState.playerMeta.w.name = whiteNameInputEl.value || 'white';
modalEl.style.visibility = 'hidden';
return
}
let sugg = KOMI_REC[gameState.boardSize][Math.abs(gameState.playerMeta.w.rank - gameState.playerMeta.b.rank)];
let handi = HANDI_REC[gameState.boardSize][Math.abs(gameState.playerMeta.w.rank - gameState.playerMeta.b.rank)];
gameState.komi = sugg;
gameState.handicap = handi;
renderMenu();
}
function clickCloseMenu(evt) {
evt.stopPropagation();
if (evt.target.className === "modal" && gameState.gameMeta.start) modalEl.style.visibility = 'hidden';
}
/*----- gameplay functions -----*/
function clickBoard(evt) {
evt.stopPropagation();
if (gameState.pass > 1 || gameState.winner) return editTerritory(evt);
// checks for placement and pushes to cell
let placement = [ parseInt(evt.target.closest('td').id.split('-')[0]), parseInt(evt.target.closest('td').id.split('-')[1]) ];
let point = findPointFromIdx(placement);
//checks that this placement was marked as legal
if ( !checkLegal(point) ) return;
clearKo();
clearPass();
resolveCaptures(point);
point.stone = gameState.turn;
point.joinGroup();
playSound(point);
clearCaptures();
gameState.gameRecord.push(`${STONES_DATA[gameState.turn]}: ${point.pos}`)
gameState.turn*= -1;
renderGame();
}
function clearKo() {
for (let point in boardState) {
point = boardState[point];
point.stone = point.stone === 'k' ? 0 : point.stone;
}
}
function clearPass() {
gameState.pass = 0;
}
function resolveCaptures(point) {
if(!point.capturing.length) {
point.checkCapture();
}
if(point.capturing.length) {
point.capturing.forEach(cap => {
gameState.playerState[gameState.turn > 0 ? 'bCaptures' : 'wCaptures']++;
cap.stone = checkKo(point) ? 'k' : 0;
cap.groupMembers = [];
})
}
}
function checkLegal(point) {
clearOverlay();
// first step in logic: is point occupied, or in ko
if (point.stone) return false;
// if point is not empty check if liberties
if (point.getLiberties().length < 1) {
//if no liberties check if enemy group has liberties
if ( point.checkCapture().length ) return true;
//if neighboring point is not empty check if friendly group is alive
if (point.checkGroup()) return true;
return false;
}
return true;
}
function clearOverlay() {
for (let point in boardState) {
point = boardState[point];
point.legal = false;
}
}
//
function checkKo(point) { // currently prevents snapback // capturing point has no liberties and is only capturing one stone and
if (!point.getLiberties().length && point.capturing.length === 1 && !point.checkNeighbors().some(stone => stone.stone === gameState.turn)) return true;
}
function playSound(point) { //plays louder sounds for tenuki and for captures
if (point.capturing.length || (gameState.boardSize === 19 && gameState.gameRecord.length > 90 && point.groupMembers.length === 1)
|| (gameState.boardSize === 13 && gameState.gameRecord.length > 40 && point.groupMembers.length === 1)) {
soundPlayerEl.src = PLACEMENT_SOUNDS.loud[Math.floor(Math.random() * 5)];
soundPlayerEl.play();
} else {
soundPlayerEl.src = PLACEMENT_SOUNDS.soft[Math.floor(Math.random() * 8)];
soundPlayerEl.play();
}
}
function clearCaptures() {
for (let point in boardState) {
point = boardState[point];
point.capturing = [];
}
}
function clickPass(evt) {
if (evt.target.parentElement.id === `${STONES_DATA[gameState.turn]}-bowl`) playerPass();
}
function playerPass() {
// display confirmation message
clearKo();
clearCaptures();
gameState.gameRecord.push(`${STONES_DATA[gameState.turn]}: pass`)
gameState.pass++;
if (gameState.pass === 2) return endGame();
gameState.turn*= -1;
renderGame();
}
function clickMenuOpen() {
modalEl.style.visibility = 'visible';
renderMenu();
}
function hoverPreview(evt) {
evt.stopPropagation();
if (gameState.pass > 1 || gameState.winner) return;
// renders preview stone if move is legal
let hover = evt.target.closest('td').id.split('-');
hover = [parseInt(hover[0]), parseInt(hover[1])]
let point = findPointFromIdx(hover);
if (checkLegal(point)) {
point.legal = true; // legal
renderPreview(point);
}
}
/*----- render functions ----------------------*/
/*----- meta render -----*/
function renderMenu() {
dateEl.textContent = gameState.gameMeta.date;
if (gameState.gameMeta.start) {
gameStartEl.value = "New Game";
komiSuggestEl.value = "Close Menu";
}
renderKomiSlider()
renderHandiSlider();
renderBoardSizeRadio();
blackRankEl.textContent = RANKS[gameState.playerMeta.b.rank];
whiteRankEl.textContent = RANKS[gameState.playerMeta.w.rank];
}
function renderKomiSlider() {
komiSliderEl.value = gameState.komi;
komiDisplayEl.textContent = gameState.komi;
if (gameState.gameMeta.start) komiSliderEl.setAttribute('disabled', true);
}
function renderHandiSlider() {
handiSliderEl.value = gameState.handicap;
handiDisplayEl.textContent = gameState.handicap;
if (gameState.gameMeta.start) handiSliderEl.setAttribute('disabled', true);
}
function renderBoardSizeRadio() {
boardSizeEl.value = gameState.boardSize;
if (gameState.gameMeta.start) boardSizeRadioEls.forEach(el => el.setAttribute('disabled', true));
}
/*----- game render -----*/
function renderBoardInit() {
renderClearBoard();
renderBoardTableRows();
renderHoshi();
renderBoardTableStyle();
}
function renderClearBoard() {
boardEl.innerHTML = '';
boardEl.classList = '';
}
function renderBoardTableRows() {
let i = 1;
while (i <= gameState.boardSize) {
let tableRow = document.createElement('tr');
tableRow.id = `row-${i}`;
tableRow.innerHTML = renderBoardTableCells(i);
boardEl.appendChild(tableRow);
i++
}
boardEl.classList = `board-${gameState.boardSize}x${gameState.boardSize}`;
}
// iterator ^ becomes x index ̌
function renderBoardTableCells(x) {
let y = 1
let cells = '';
while (y <= gameState.boardSize) {
let newCell = `
<td id="${x}-${y}">
<div class="stone">
<div class="dot"></div>
</div>
</td>
`;
cells = cells + newCell;
y++;
}
return cells;
}
function renderHoshi() { // gets hoshi placement from handiplace const and adds a class to dot elem
let hoshi = HANDI_PLACE[gameState.boardSize].slice(-1);
hoshi = hoshi[0]
hoshi.forEach(star => {
let boardPt = document.getElementById(`${star[0]}-${star[1]}`).getElementsByClassName('stone')[0];
boardPt.className += ' hoshi' });
}
function renderBoardTableStyle() {
document.querySelectorAll('#board-space td[id^="1-"]').forEach(pt => pt.className += 'top ');
document.querySelectorAll(`#board-space td[id^="${gameState.boardSize}-"]`).forEach(pt => pt.className += 'btm ');
document.querySelectorAll('#board-space td[id$="-1"]').forEach(pt => pt.className += 'lft ');
document.querySelectorAll(`#board-space td[id$="-${gameState.boardSize}"]`).forEach(pt => pt.className += 'rgt ');
}
function renderGame() {
if (gameState.winner || gameState.pass > 1) {
renderTerritory();
renderMessage();
}
blackNameDisplayEl.textContent =
`${gameState.playerMeta.b.name},
${RANKS[gameState.playerMeta.b.rank]}`;
whiteNameDisplayEl.textContent =
`${gameState.playerMeta.w.name},
${RANKS[gameState.playerMeta.w.rank]}`;
gameState.gameRecord.length ? renderTurn() : renderFirstTurn();
renderBoardState();
renderCaps();
}
function renderFirstTurn() {
document.getElementById(`${STONES_DATA[gameState.turn]}-bowl`).toggleAttribute('data-turn');
}
function renderTurn() {
if (gameState.winner || gameState.pass > 1) document.querySelectorAll(`.bowl`).forEach(bowl => {
bowl.removeAttribute('data-turn');
bowl.toggleAttribute('data-turn');
});
document.querySelectorAll(`.bowl`).forEach(bowl => bowl.toggleAttribute('data-turn'));
}
function renderBoardState() {
boardState.forEach(val => {
let stoneElem = document.getElementById(`${val.pos[0]}-${val.pos[1]}`).getElementsByClassName('stone')[0];
stoneElem.setAttribute("data-stone", STONES_DATA[val.stone]);
})
}
function renderCaps() {
blackCapsEl.textContent = gameState.playerState.bCaptures;
whiteCapsEl.textContent = gameState.playerState.wCaptures;
}
function renderPreview(hoverPoint) {
boardState.forEach(val => {
let dot = document.getElementById(`${val.pos[0]}-${val.pos[1]}`).getElementsByClassName('dot')[0];
dot.setAttribute("data-dot", val.legal === true && val.pos[0] === hoverPoint.pos[0] && val.pos[1] === hoverPoint.pos[1]
? DOTS_DATA[gameState.turn] : DOTS_DATA[0]);
})
}
function renderMessage() {
if (gameState.winner && gameState.pass < 2) {
gameHudEl.style.visibility = 'visible';
gameHudEl.style.cursor = 'default';
gameHudEl.textContent = `${gameState.playerMeta[gameState.winner === 1 ? 'b' : 'w'].name} won by resignation`;
}
else if (gameState.winner && gameState.pass > 1) {
gameHudEl.style.visibility = 'visible';
gameHudEl.style.cursor = 'default';
gameHudEl.textContent = `${gameState.playerMeta[gameState.winner === 1 ? 'b' : 'w'].name || STONES_DATA[gameState.winner]} won by ${Math.abs(gameState.playerState.wScore - gameState.playerState.bScore)}`;
} else if (gameState.pass > 1) {
gameHudEl.style.visibility = 'visible';
gameHudEl.textContent = 'finalize game'
} else {
gameHudEl.style.visibility = 'hidden';
}
}
function renderTerritory() {
boardState.forEach(val => {
let stoneElem = document.getElementById(`${val.pos[0]}-${val.pos[1]}`).getElementsByClassName('dot')[0];
stoneElem.setAttribute("data-dot", DOTS_DATA[val.territory]);
})
}
/*----- endgame functions -----*/
function clickResign(evt) {
if (evt.target.parentElement.id === `${STONES_DATA[gameState.turn]}-caps-space`) playerResign();
}
function playerResign() {
// display confirmation message
gameState.pass = -1;
gameHudEl.style.visibility = "visible";
gameHudEl.textContent = "Do you want to resign?";
}
function clickGameHud() {
if (gameState.pass > 1 && !gameState.winner) calculateWinner();
if (gameState.pass < 0) confirmResign();
}
function confirmResign() {
gameState.gameRecord.push(`${STONES_DATA[gameState.turn]}: resign`);
gameState.winner = STONES_DATA[gameState.turn * -1];
endGame();
}
function endGame() {
if (!gameState.winner) endGameSetTerritory()
renderGame();
}
function editTerritory(evt) {
let placement = [ parseInt(evt.target.closest('td').id.split('-')[0]), parseInt(evt.target.closest('td').id.split('-')[1]) ];
let point = findPointFromIdx(placement);
point.cycleTerritory();
renderGame();
}
function calculateWinner() {
let whiteTerritory = boardState.reduce((acc, pt) => {
if (pt.territory === -1 && pt.stone !== -1) {
return acc = acc + (pt.stone === 0 ? 1 : 2);
}
return acc;
}, 0);
let blackTerritory = boardState.reduce((acc, pt) => {
if (pt.territory === 1 && pt.stone !== 1) {
return acc + (pt.stone === 0 ? 1 : 2);
}
return acc;
}, 0);
gameState.playerState.wScore =
gameState.playerState.wCaptures
+ (gameState.komi < 0 ? gameState.komi * -1 : 0)
+ whiteTerritory;
gameState.playerState.bScore =
gameState.playerState.bCaptures
+ (gameState.komi > 0 ? gameState.komi : 0)
+ blackTerritory;
gameState.winner = gameState.playerState.wScore > gameState.playerState.bScore ? -1 : 1;
gameState.gameRecord.push(`${STONES_DATA[gameState.winner]}: +${Math.abs(gameState.playerState.wScore - gameState.playerState.bScore)}`)
renderGame();
}
function endGameSetTerritory() {
let emptyPoints = boardState.filter(pt => !pt.stone);
emptyPoints.forEach(pt => pt.joinGroup());
emptyPointSetTerritory(emptyPoints);
groupsMarkDeadLive();
// reviseTerritory();
}
function groupsMarkDeadLive() {
boardState.filter(pt => (!pt.territory ))
.forEach(pt => {
if (pt.groupMembers.some(grpMem => {
return grpMem.checkNeighbors().some(nbr => nbr.territory === pt.stone && nbr.stone === 0)
})) {
pt.groupMembers.forEach(grpMem => grpMem.territory = pt.stone);
}
});
boardState.filter(pt => (!pt.territory)).forEach(pt => {
pt.territory = pt.stone * -1;
});
}
function emptyPointSetTerritory(emptyPoints) {
emptyPoints.filter(pt => !pt.territory && pt.checkNeighbors().filter(nbr => nbr.stone !== 0))
.forEach(pt => {
let b = pt.groupMembers.reduce((acc, grpMem) => {
let bNbr = grpMem.checkNeighbors().filter(nbr => nbr.stone === 1).length;
return acc + bNbr;
}, 0);
let w = pt.groupMembers.reduce((acc, grpMem) => {
let wNbr = grpMem.checkNeighbors().filter(nbr => nbr.stone === -1).length;
return acc + wNbr;
}, 0);
pt.groupMembers.forEach(grp => {
if (Math.abs(b - w) < 4 && b && w) grp.territory = 'd'
else grp.territory = b > w ? 1 : -1;
})
});
}
function reviseTerritory() {
// count eyes
// for each group marked live get liberties
//
}