381 lines
12 KiB
JavaScript
381 lines
12 KiB
JavaScript
import FiringArc from './firingArc.js';
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import SightLine from './sightLine.js';
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import Counter from './counter.js';
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const svgns = "http://www.w3.org/2000/svg";
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export default class Game {
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info;
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placing = [];
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#firingArcVisibility = {
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davion: false,
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liao: false
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};
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constructor(svg) {
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this.svg = svg;
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this.firingArc = new FiringArc(svg);
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this.sightLine = new SightLine(svg);
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this.counter = new Counter(svg);
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this.setUpCells();
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}
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getCells() {
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return this.svg.querySelectorAll('g[data-y] > g[data-x]');
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}
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getCell(x, y) {
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return this.svg.querySelector(`g[data-y="${y}"] > g[data-x="${x}"]`);
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}
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getCellOccupant(cell) {
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return cell.querySelector('.counter');
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}
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getCellContents(cell) {
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return cell.querySelectorAll('*:not(use[href="#hex"])');
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}
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getHex(cell) {
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return cell.querySelector('use[href="#hex"]');
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}
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getSelected() {
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return this.svg.querySelector(`.counter.selected[data-allegiance][data-number]`);
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}
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getSightLine() {
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return this.svg.querySelector('line.sight-line');
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}
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getExistingArcs(al, n) {
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return this.svg.querySelectorAll(`#firing-arcs polygon[data-number="${n}"][data-allegiance="${al}"]`);
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}
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getUnclippedFiringArcs() {
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return this.svg.querySelectorAll('#firing-arcs polygon:not([clip-path])');
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}
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getGridIndex({ parentElement: { dataset: { x }, parentElement: { dataset: { y }}}}) {
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return { x, y };
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}
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getCounterAtGridIndex(x, y) {
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return this.getCell(x, y).querySelector('.counter');
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}
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getBoard() {
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return this.svg.querySelector('.board');
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}
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getCellPosition(cell) {
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let pt = new DOMPoint(0, 0),
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transform = getComputedStyle(cell).transform.match(/-?\d+\.?\d*/g),
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mtx = new DOMMatrix(transform);
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pt = pt.matrixTransform(mtx);
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transform = getComputedStyle(cell.parentElement).transform.match(/-?\d+\.?\d*/g);
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mtx = new DOMMatrix(transform);
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pt = pt.matrixTransform(mtx);
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return pt;
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}
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/**
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* @param {(count: [number]) => void} fn
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*/
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set distanceCallback(fn) {
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this.sightLine.distanceCallback = fn;
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}
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endMove() {
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const selected = this.getSelected();
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if (selected) {
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this.counter.endMove(selected);
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this.unSelect();
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}
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}
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select({ dataset: { allegiance, number } }) {
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const counter = this.counter.getCounter(allegiance, number);
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if (counter) {
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this.unSelect();
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this.placing.push(counter);
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counter.classList.add(this.counter.selectedClass);
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this.getExistingArcs(allegiance, number).forEach(el => el.removeAttribute('clip-path'));
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this.selectCallback({ prone: this.counter.hasProne(counter), ...counter.dataset });
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}
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}
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unSelect() {
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const selected = this.getSelected();
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if (selected) {
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this.placing = [];
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this.getSelected().classList.remove(this.counter.selectedClass);
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this.sightLine.clear();
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this.clipFiringArcs();
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}
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}
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endTurn(allegiance) {
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const selector = `#firing-arcs [data-allegiance="${allegiance}"]`;
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this.svg.querySelectorAll(selector).forEach(el => el.remove());
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}
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toggleProne() {
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const selected = this.getSelected(),
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isOnBoard = selected && selected.parentElement.hasAttribute('data-x');
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if (selected && isOnBoard) {
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this.counter.toggleProne(selected);
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}
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}
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toggleFiringArcVisibility(allegiance) {
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const vis = this.#firingArcVisibility[allegiance],
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clipPaths = this.svg.querySelectorAll(`clipPath[data-allegiance="${allegiance}"]`);
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clipPaths.forEach(cp => cp.style.display = !vis ? 'none' : '');
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this.#firingArcVisibility[allegiance] = !vis;
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}
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clipFiringArcs() {
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let unclipped = this.getUnclippedFiringArcs();
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unclipped.forEach(el => {
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const { number, allegiance } = el.dataset,
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clipPathId = `clip-path-${allegiance}-${number}`,
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isVisible = this.#firingArcVisibility[allegiance];
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if (isVisible) {
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this.svg.querySelector(`#${clipPathId}`).style.display = 'none';
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}
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el.setAttributeNS(null, 'clip-path', `url(#${clipPathId})`);
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});
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}
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setUpCells() {
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this.getCells().forEach(cell => {
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function isGrenade(el) {
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return el && el.getAttribute('href') === '#counter-grenade';
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}
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function isClone(counter) {
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const isClone = counter.classList.contains('clone'),
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{ allegiance: clAl, number: clNum } = counter.dataset;
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return {
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of: function ({ dataset: { allegiance, number }}) {
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return isClone && clAl == allegiance && clNum == number;
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}
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};
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}
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cell.addEventListener('click', e => {
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const state = {
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placing: this.placing,
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hex: cell.querySelector('use[href="#hex"]'),
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occupant: this.getCellOccupant(cell),
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contents: this.getCellContents(cell)
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};
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console.log(state);
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let toPlace = this.placing.pop();
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if (isGrenade(toPlace)) {
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state.hex.after(toPlace);
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} else if (toPlace && !state.occupant) {
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this.counter.place(toPlace, cell);
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this.placing.push(toPlace);
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const lockedSl = this.svg.querySelector('.sight-line:not(.active)');
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if (!lockedSl) {
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this.sightLine.clear();
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} else {
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this.sightLine.update(cell, this.getCellPosition(cell));
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}
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} else if (toPlace && state.occupant) {
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if (toPlace === state.occupant) {
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if ('previous' in toPlace.dataset) {
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const trace = this.counter.getTrace(toPlace);
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toPlace.remove();
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toPlace = this.getCounterAtGridIndex(...toPlace.dataset.previous.split(','));
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toPlace.classList.remove('clone');
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toPlace.classList.add(this.counter.selectedClass);
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if (!('previous' in toPlace.dataset)) {
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trace.remove();
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} else {
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const points = trace.getAttribute('points').split(' ');
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points.pop();
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trace.setAttributeNS(null, 'points', points.join(' '));
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}
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this.placing.push(toPlace);
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const lockedSl = this.svg.querySelector('.sight-line:not(.active)');
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if (!lockedSl) {
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this.sightLine.clear();
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} else {
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this.sightLine.update(toPlace.parentElement, this.getCellPosition(toPlace.parentElement));
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}
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} else {
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this.unSelect();
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}
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} else if (!state.occupant.classList.contains('clone')) {
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this.select(state.occupant);
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} else {
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if (isClone(state.occupant).of(toPlace)) {
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if (!('previous' in state.occupant.dataset)) {
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state.occupant.classList.remove('clone');
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state.occupant.classList.add(this.counter.selectedClass);
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toPlace.remove();
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toPlace = state.occupant;
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this.counter.removeClones(toPlace);
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this.counter.getTrace(toPlace).remove();
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const lockedSl = this.svg.querySelector('.sight-line:not(.active)');
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if (!lockedSl) {
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this.sightLine.clear();
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} else {
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this.sightLine.update(cell, this.getCellPosition(cell));
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}
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} else {
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const index = this.getGridIndex(state.occupant),
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trace = this.counter.getTrace(toPlace),
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pos = this.getCellPosition(cell),
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points = trace.getAttribute('points').split(' ').filter(p => p != `${pos.x},${pos.y}`).join(' ');;
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let current = toPlace;
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trace.setAttributeNS(null, 'points', points);
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while (current.dataset.previous != `${index.x},${index.y}`) {
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current = this.getCounterAtGridIndex(...current.dataset.previous.split(','));
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}
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current.dataset.previous = state.occupant.dataset.previous;
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state.occupant.remove();
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}
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}
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this.placing.push(toPlace);
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}
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} else if (!toPlace && state.occupant) {
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this.select(state.occupant);
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} else {
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console.log('removing cell contents');
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state.contents.forEach(el => el.remove());
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}
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});
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cell.addEventListener('dblclick', e => {
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const toPlace = this.placing.pop(),
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occupant = this.getCellOccupant(cell);
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if (toPlace && occupant && toPlace == occupant) {
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const { number, allegiance } = toPlace.dataset,
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selector = `[data-allegiance="${allegiance}"][data-number="${number}"]`;
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this.svg.querySelectorAll(selector).forEach(el => el.remove());
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}
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});
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// Logic for this event:
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// If there's a locked sightline, unlock it. Otherwise, if there's an
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// active sightline, lock it.
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// There is an active sightline when there is a selected soldier, its
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// counter is on the board, and the pointer is over a cell other than the
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// one that counter occupies.
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// There is a locked sightline when there is a selected soldier, its
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// counter is on the board, and one cell has the 'sight-line-target' class.
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cell.addEventListener('contextmenu', e => {
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e.preventDefault();
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let sl = this.svg.querySelector('.sight-line');
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if (sl) {
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sl.classList.toggle('active');
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if (sl.classList.contains('active')) {
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this.sightLine.clear();
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} else {
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cell.querySelector(`use[href="#hex"]`).classList.add('sight-line-target');
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}
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cell.dispatchEvent(new MouseEvent('pointerover'));
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}
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});
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cell.addEventListener('pointerover', e => {
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let selected = this.getSelected();
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if (selected) {
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let sl = this.svg.querySelector('.sight-line'),
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isOnBoard = selected.parentElement.hasAttribute('data-x'),
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sourceCell = selected.parentElement;
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if (isOnBoard && (!sl || sl.classList.contains('active')) && sourceCell != cell) {
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this.sightLine.draw(sourceCell, cell);
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}
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}
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let occupant = this.getCellOccupant(cell);
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if (occupant) {
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const { number, allegiance } = occupant.dataset;
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const cp = this.svg.querySelector(`#clip-path-${allegiance}-${number}`);
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if (cp) {
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cp.style.display = 'none';
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}
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}
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});
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cell.addEventListener('pointerout', e => {
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let sl = this.svg.querySelector('.sight-line.active');
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if (sl && sl.classList.contains('active')) {
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this.sightLine.clear();
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}
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let occupant = this.getCellOccupant(cell);
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if (occupant) {
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let { number, allegiance } = occupant.dataset,
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cp = this.svg.querySelector(`#clip-path-${allegiance}-${number}`);
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if (cp) {
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cp.style.display = this.#firingArcVisibility[allegiance] ? 'none' : '';
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}
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}
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});
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});
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}
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setFiringArc(size) {
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const counter = this.getSelected(),
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isOnBoard = counter => counter && counter.parentElement.hasAttribute('data-x');
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if (isOnBoard(counter)) {
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const { allegiance, number } = counter.dataset,
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cellPosition = this.getCellPosition(counter.parentElement);
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this.firingArc.set(size, allegiance, number, cellPosition);
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}
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}
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setGrenade() {
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let counter = document.createElementNS(svgns, 'use');
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counter.setAttributeNS(null, 'href', '#counter-grenade');
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this.placing.push(counter);
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}
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}
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