535 lines
16 KiB
JavaScript
535 lines
16 KiB
JavaScript
import * as firingArc from './game/firing_arc.js';
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import * as sightLine from './game/sight_line.js';
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import * as soldier from './game/soldier.js';
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import { Observable } from "./observable";
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let svg,
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placing = [];
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const top = {
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collection: new Map()
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};
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const frontmostStore = new Map();
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function getCellContents(cell) {
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return cell.querySelectorAll('*:not(use[href="#hex"])');
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}
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function getGridIndex({ parentElement: { dataset: { q, r, s, t }}}) {
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return { q: +q, r: +r, s: +s, t: +t };
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}
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function getHex(cell) {
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return cell.querySelector('use[href="#hex"]');
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}
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function getCellOccupant(cell) {
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return cell.querySelector('.counter') || svg.querySelector('.grid-top .counter');
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}
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function getCells(svg) {
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return svg.querySelectorAll('[data-q][data-r][data-s][data-t]');
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}
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function getLockedSightLine(svg) {
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return svg.querySelector('line.sight-line:not(.active)');
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}
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function getActiveSightLine(svg) {
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return svg.querySelector('line.sight-line.active');
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}
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function isCounter(el) {
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const regex = new RegExp('^#counter-')
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return el && regex.test(el.getAttribute('href'));
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}
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function isMechTemplate(el) {
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return el && el.getAttribute('class') === 'mech-template';
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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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function getCellPosition(cell) {
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const [x, y] = cell.getAttributeNS(null, 'transform').match(/-?\d+\.?\d*/g);
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return { x, y };
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}
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function getCell(q, r, s, t) {
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return svg.querySelector(`g[data-q="${q}"][data-r="${r}"][data-s="${s}"][data-t="${t}"]`);
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}
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function getCounterAtGridIndex(...coords) {
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return getCell(...coords).querySelector('.counter');
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}
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function getSelected() {
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return svg.querySelector(`.counter.selected[data-allegiance][data-number]`);
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}
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function deselect() {
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const selected = getSelected();
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placing = [];
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if (selected) {
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selected.classList.remove(soldier.getSelectedClass());
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clearSightLine();
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firingArc.clipAll(svg);
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}
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}
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function clearSightLine() {
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sightLine.setHexes([]);
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sightLine.clear();
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Observable.notify('distance');
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}
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function calcSightLineIndexes(source, target) {
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const { q: sq, r: sr, s: ss } = source.dataset;
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const { q: tq, r: tr, s: ts } = target.dataset;
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const sourceIndex = { q: +sq, r: +sr, s: +ss };
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const targetIndex = { q: +tq, r: +tr, s: +ts };
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return sightLine.calcIndexes(sourceIndex, targetIndex);
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}
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function getSightLineHexes(indexes) {
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const selector = indexes
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.map(({ q, r, s }) => `g[data-q="${q}"][data-r="${r}"][data-s="${s}"] use[href="#hex"]`)
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.join(', ');
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return svg.querySelectorAll(selector);
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}
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function calcSightLine(source, target) {
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const indexes = calcSightLineIndexes(source, target);
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const hexes = getSightLineHexes(indexes);
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sightLine.setHexes(hexes);
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Observable.notify('distance', indexes.length - 1);
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}
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function updateSightLine(cell) {
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calcSightLine(cell, sightLine.getLockTarget());
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sightLine.update(getCellPosition(cell));
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}
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function drawSightLine(sourceCell, targetCell) {
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calcSightLine(sourceCell, targetCell);
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const line = sightLine.create(getCellPosition(sourceCell), getCellPosition(targetCell));
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svg.querySelector('.gameboard').appendChild(line);
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}
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function moveBackOneStepInHistory(counter) {
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const trace = soldier.getTrace(svg, counter);
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counter.remove();
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counter = getCounterAtGridIndex(...counter.dataset.previous.split(','));
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counter.classList.remove('clone');
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counter.classList.add(soldier.getSelectedClass());
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if (!('previous' in counter.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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return counter;
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}
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function clearMoveHistory(clone, counter) {
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clone.classList.remove('clone');
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clone.classList.add(soldier.getSelectedClass());
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counter.remove();
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counter = clone;
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soldier.removeClones(svg, counter);
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soldier.getTrace(svg, counter).remove();
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return counter;
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}
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function deleteClone(occupant, counter, cell) {
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const index = getGridIndex(occupant),
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trace = soldier.getTrace(svg, counter),
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pos = getCellPosition(cell),
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points = trace.getAttribute('points').split(' ').filter(p => p != `${pos.x},${pos.y}`).join(' ');;
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let current = counter;
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trace.setAttributeNS(null, 'points', points);
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while (current.dataset.previous != `${index.q},${index.r},${index.s},${index.t}`) {
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current = getCounterAtGridIndex(...current.dataset.previous.split(','));
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}
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current.dataset.previous = occupant.dataset.previous;
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occupant.remove();
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}
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function hasPreviousMoveInHistory(counter) {
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return 'previous' in counter.dataset;
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}
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function selectOffBoard() {
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Observable.notify('select', this);
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}
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function select(data) {
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const counter = data && (soldier.getCounter(svg, data) || soldier.createCounter(data));
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const isSelected = data && data.classList && data.classList.contains('selected');
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deselect();
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if (isSelected || !data) return;
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counter.classList.add(soldier.getSelectedClass());
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firingArc.get(svg, counter).forEach(el => el.removeAttribute('clip-path'));
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placing.push(counter);
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}
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function endMove() {
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const selected = getSelected();
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if (selected) {
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soldier.endMove(svg, selected);
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deselect();
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}
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}
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export function start(el) {
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svg = el;
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const grid = svg.querySelector('.grid');
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const frontmost = grid.querySelector('.frontmost');
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// For when the pointer leaves the window
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document.querySelector('object').addEventListener('pointerout', e => {
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if (clearHexDialog.open) return;
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console.log('object pointerout');
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console.log('Left map... CLEARING HOVERS');
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svg.querySelectorAll('.hover').forEach(el => el.classList.remove('hover'));
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[...frontmost.children].forEach(child => {
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const parent = frontmostStore.get(child);
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parent.append(child);
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if (child.classList.contains('counter')) {
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firingArc.toggleCounterVisibility(svg, child, false);
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}
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frontmostStore.delete(child);
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});
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getActiveSightLine(svg) && clearSightLine();
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console.log('object', svg.querySelectorAll('.hover'));
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});
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svg.addEventListener('pointerover', e => {
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const targetCell = e.target.closest('[data-q][data-r][data-s][data-t], .frontmost');
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// Pointer moves outside the edge of the grid
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if (!targetCell) {
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console.log('No target cell... CLEARING HOVERS');
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svg.querySelectorAll('.hover').forEach(el => el.classList.remove('hover'));
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[...frontmost.children].forEach(child => {
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const parent = frontmostStore.get(child);
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parent.append(child);
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if (child.classList.contains('counter')) {
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firingArc.toggleCounterVisibility(svg, child, false);
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}
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frontmostStore.delete(child);
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});
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}
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// Pointer moves over a cell
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if (targetCell) {
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if ([
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// that is not already highlighted
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!targetCell.classList.contains('hover'),
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// 's contents that is in frontmost, whose parent cell is not already highlighted
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!(targetCell.classList.contains('frontmost') && frontmostStore.get(e.target.closest('.frontmost > *')).classList.contains('hover'))
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].every(e => e)) {
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console.log('Target cell missing hover... CLEARING HOVERS AND ADDING TO TARGET CELL');
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svg.querySelectorAll('.hover').forEach(el => el.classList.remove('hover'));
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if (placing[0]?.getAttributeNS(null, 'class') === 'mech-template') {
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targetCell.prepend(placing[0]);
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}
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[...frontmost.children].forEach(child => {
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const parent = frontmostStore.get(child);
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parent.append(child);
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if (child.classList.contains('counter')) {
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firingArc.toggleCounterVisibility(svg, child, false);
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}
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frontmostStore.delete(child);
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});
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frontmost.setAttributeNS(null, 'transform', targetCell.getAttributeNS(null, 'transform'));
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const children = [...targetCell.children].filter(c => c.getAttributeNS(null, 'href') !== '#hex');
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if (children.length > 0) {
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children.forEach(child => {
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if (child.classList.contains('counter')) {
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firingArc.toggleCounterVisibility(svg, child, true);
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}
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frontmostStore.set(child, targetCell);
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frontmost.append(child);
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});
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}
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targetCell.classList.contains('frontmost') ? frontmostStore.get(e.target.closest('.frontmost > *')).classList.add('hover') : targetCell.classList.add('hover');
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}
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}
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const selected = getSelected();
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if (selected && targetCell && svg.querySelector('.grid').contains(selected) && !getLockedSightLine(svg) && selected.parentElement !== frontmost) {
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clearSightLine();
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drawSightLine(selected.parentElement, grid.querySelector('.hover'));
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} else {
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getActiveSightLine(svg) && clearSightLine();
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}
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console.log('frontmost contents', frontmost.children);
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});
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grid.addEventListener('click', clickHandler);
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const clearHexDialog = document.querySelector('#clear-hex');
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clearHexDialog.addEventListener('close', e => {
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if (clearHexDialog.returnValue === 'confirm') {
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[...frontmost.children].forEach(child => {
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if (child.classList.contains('counter'))
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firingArc.get(svg, child).forEach(el => el.remove());
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frontmostStore.delete(child);
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child.remove();
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});
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}
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});
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grid.addEventListener('contextmenu', e => {
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e.preventDefault();
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const selected = getSelected();
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if (selected) {
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if (sightLine.getSightLine()) sightLine.toggleLock(grid.querySelector('.hover'));
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if (getActiveSightLine(svg)) {
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clearSightLine();
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if (selected.parentElement !== frontmost)
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drawSightLine(selected.parentElement, grid.querySelector('.hover'));
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}
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} else {
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clearHexDialog.showModal();
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}
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});
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const startingLocations = svg.querySelector('.start-locations');
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startingLocations && getUnits(startingLocations).forEach(unit => unit.addEventListener('click', selectOffBoard));
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function clickHandler(e) {
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const targetCell = grid.querySelector('.hover');
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const occupant = frontmost.querySelector('.counter');
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let toPlace = placing.pop();
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if (isCounter(toPlace) || isMechTemplate(toPlace)) {
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frontmostStore.set(toPlace, targetCell);
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isMechTemplate(toPlace) ? frontmost.prepend(toPlace) : frontmost.append(toPlace);
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if (isCounter(toPlace)) arrangeCounters(frontmost);
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removeEventListener("keydown", handleMechTemplateRotation);
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} else if (toPlace && !occupant) {
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frontmostStore.set(toPlace, targetCell);
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const mechTemplate = frontmost.querySelector('.mech-template');
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mechTemplate ? mechTemplate.after(toPlace) : frontmost.prepend(toPlace);
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placing.push(toPlace);
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getLockedSightLine(svg) ? updateSightLine(targetCell) : clearSightLine();
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} else if (toPlace && occupant) {
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if (toPlace === occupant) {
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Observable.notify('select');
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} else {
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Observable.notify('select', occupant);
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}
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} else if (!toPlace && occupant) {
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Observable.notify('select', occupant);
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}
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const selected = getSelected();
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}
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// debug //
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// Add a trooper counter
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//const defender = { dataset: { allegiance: 'defender', number: 1, squad: 2 }};
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//const cell2 = getCell(-5, 10, -5, 0);
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//frontmost.setAttributeNS(null, 'transform', cell2.getAttributeNS(null, 'transform'));
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//const trooper2 = soldier.createCounter(defender, 'gl');
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//frontmostStore.set(trooper2, cell2);
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//frontmost.append(trooper2);
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//cell2.classList.add('hover');
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//
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//soldier.place(
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// svg,
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// soldier.createCounter({ dataset: { allegiance: 'attacker', number: 2, squad: 1 }}, 'hsplaser'),
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// getCell(-2, 3, -1, 0)
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//);
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//
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//soldier.place(
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// svg,
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// soldier.createCounter({ dataset: { allegiance: 'attacker', number: 2, squad: 5 }}, 'rifle'),
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// getCell(-3, 3, 0, 0)
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//);
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// Add some counters in an unoccupied cell
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//const countersCell = getCell(-1, 1, 0, 0);
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//const counter = document.createElementNS(svgns, 'use');
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//const name = 'grenade';
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//counter.setAttributeNS(null, 'href', `#counter-${name}`);
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//counter.classList.add(`counter-${name}`);
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//frontmostStore.set(counter, cell2);
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//frontmost.append(counter);
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//arrangeCounters(frontmost)
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//counter.addEventListener('click', e => {
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// e.stopPropagation()
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// const container = counter.parentElement;
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// counter.remove()
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// arrangeCounters(container);
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//});
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//setCounter('grenade');
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//setCounter('prone');
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//setCounter('1st-floor');
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//const e = new PointerEvent('click');
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//countersCell.dispatchEvent(e);
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//countersCell.dispatchEvent(e);
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//countersCell.dispatchEvent(e);
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///////////
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Observable.subscribe('select', select);
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Observable.subscribe('endmove', endMove);
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console.log('gameboard.js loaded');
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}
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export function stop() {
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Observable.unsubscribe('select', select);
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Observable.unsubscribe('endmove', endMove);
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}
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export function getUnits() {
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return soldier.getAllCounters(svg);
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}
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export function clearFiringArcs(allegiance) {
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firingArc.clear(svg, allegiance);
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}
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export function toggleFiringArcVisibility() {
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firingArc.toggleVisibility(svg, this.dataset.allegiance);
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}
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export function setFiringArc() {
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const counter = getSelected(),
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isOnBoard = counter => counter && counter.parentElement.hasAttribute('data-q');
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if (isOnBoard(counter)) {
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firingArc.set(svg, this.dataset.size, counter, getCellPosition(counter.parentElement));
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}
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}
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export function setCounter(name) {
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const selected = getSelected();
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const counter = document.createElementNS(svgns, 'use');
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counter.addEventListener('click', e => {
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e.stopPropagation()
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const container = counter.parentElement;
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counter.remove()
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arrangeCounters(container);
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});
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counter.setAttributeNS(null, 'href', `#counter-${name}`);
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counter.classList.add(`counter-${name}`);
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if (selected) {
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selected.append(counter);
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arrangeCounters(selected);
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}
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else
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placing.push(counter);
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}
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function arrangeCounters(container) {
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const counters = [...container.children].filter(isCounter);
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const length = 12;
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const gravity = 1;
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const lateralForce = gravity;
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const rads = Math.atan(lateralForce / gravity);
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const bestFitCount = 8;
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const deflection = counters.length > bestFitCount ? 2 * Math.PI / counters.length : Math.atan(lateralForce / gravity);
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counters.forEach((counter, index, arr) => {
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const mult = index - arr.length / 2 + 0.5;
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const theta = deflection * mult;
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const x = length * Math.sin(theta);
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const y = length * Math.cos(theta);
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counter.setAttributeNS(null, 'style', `--x: ${-x}px; --y: ${y}px`);
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});
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}
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function handleMechTemplateRotation(event) {
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const counter = placing[0];
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const upper = placing[0].querySelector('use[href="#mech-template-upper"]');
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if (event.key === 'a') {
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let direction = +counter.style.transform.match(/-?\d+/) || 0;
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direction -= 60;
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counter.style.transform = `rotate(${direction}deg)`;
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} else if (event.key === 'd') {
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let direction = +counter.style.transform.match(/-?\d+/) || 0;
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direction += 60;
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counter.style.transform = `rotate(${direction}deg)`;
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} else if (event.key === 'q') {
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let facing = +upper.style.transform.match(/-?\d+/) || 0;
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facing = facing <= -60 ? -60 : facing - 60;
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upper.style.transform = `rotate(${facing}deg)`;
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} else if (event.key === 'e') {
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let facing = +upper.style.transform.match(/-?\d+/) || 0;
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facing = facing >= 60 ? 60 : facing + 60;
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upper.style.transform = `rotate(${facing}deg)`;
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}
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}
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export function setMechTemplate() {
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const counter = document.createElementNS(svgns, 'g');
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counter.setAttributeNS(null, 'class', 'mech-template');
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counter.style.pointerEvents = 'none';
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counter.style.transition = 'transform 0.5s';
|
|
|
|
const lower = document.createElementNS(svgns, 'use');
|
|
lower.setAttributeNS(null, 'href', '#mech-template-lower');
|
|
|
|
const upper = document.createElementNS(svgns, 'use');
|
|
upper.setAttributeNS(null, 'href', '#mech-template-upper');
|
|
upper.style.transition = 'transform 0.5s';
|
|
|
|
counter.appendChild(lower);
|
|
counter.appendChild(upper);
|
|
|
|
addEventListener("keydown", handleMechTemplateRotation);
|
|
placing.push(counter);
|
|
}
|