354 lines
10 KiB
JavaScript
354 lines
10 KiB
JavaScript
import FiringArc from './game/firingArc.js';
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import SightLine from './game/sightLine.js';
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import Counter from './game/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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constructor(svg) {
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this.svg = svg;
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const board = this.getBoard();
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this.firingArc = FiringArc(svg, board);
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this.sightLine = SightLine(board);
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this.counter = Counter(svg, board);
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this.setUpCells();
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// debug
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const counter = this.counter.getCounter({ dataset: { allegiance: 'davion', number: '1' }});
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this.counter.place(counter, this.getCell(17, 25));
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this.select(counter);
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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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getActiveSightLine() {
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return this.svg.querySelector('line.sight-line.active');
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}
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getLockedSightLine() {
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return this.svg.querySelector('line.sight-line:not(.active)');
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}
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getGridIndex({ parentElement: { dataset: { x }, parentElement: { dataset: { y }}}}) {
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return { x: +x, y: +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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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(selected) {
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const counter = this.counter.getCounter(selected);
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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.firingArc.get(counter).forEach(el => el.removeAttribute('clip-path'));
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this.selectCallback && 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.clearSightLine();
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this.firingArc.clipAll();
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}
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}
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endTurn(allegiance) {
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this.firingArc.clear(allegiance);
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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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this.firingArc.toggleVisibility(allegiance);
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}
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setUpCells() {
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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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this.getCells().forEach(cell => {
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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: this.getHex(cell),
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occupant: this.getCellOccupant(cell),
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contents: this.getCellContents(cell)
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};
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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.getLockedSightLine();
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if (!lockedSl) {
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this.clearSightLine();
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} else {
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this.updateSightLine(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.getLockedSightLine();
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if (!lockedSl) {
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this.clearSightLine();
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} else {
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this.updateSightLine(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.getLockedSightLine();
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if (!lockedSl) {
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this.clearSightLine();
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} else {
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this.updateSightLine(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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cell.addEventListener('contextmenu', e => {
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e.preventDefault();
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this.sightLine.toggleLock(cell);
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cell.dispatchEvent(new MouseEvent('pointerover'));
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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.getSightLine(),
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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.drawSightLine(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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this.firingArc.toggleCounterVisibility(occupant, true);
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}
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});
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cell.addEventListener('pointerout', e => {
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let sl = this.getActiveSightLine();
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if (sl) {
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this.clearSightLine();
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}
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let occupant = this.getCellOccupant(cell);
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if (occupant) {
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this.firingArc.toggleCounterVisibility(occupant, false);
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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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this.firingArc.set(size, counter, this.getCellPosition(counter.parentElement));
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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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updateSightLine(cell) {
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const { dataset: { x: sX }, parentElement: { dataset: { y: sY }}} = cell,
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{ dataset: { x: tX }, parentElement: { dataset: { y: tY }}} = this.sightLine.lockTarget;
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const selector = this.sightLine.calcIndexes(+sX, +sY, +tX, +tY)
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.map(([x, y]) => `g[data-y="${y}"] g[data-x="${x}"] use[href="#hex"]`)
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.join(', ');
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const hexes = this.svg.querySelectorAll(selector);
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this.sightLine.hexes = hexes;
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this.sightLine.update(this.getCellPosition(cell));
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this.distanceCallback && this.distanceCallback(hexes.length - 1);
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}
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drawSightLine(sourceCell, targetCell) {
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const { dataset: { x: sX }, parentElement: { dataset: { y: sY }}} = sourceCell,
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{ dataset: { x: tX }, parentElement: { dataset: { y: tY }}} = targetCell;
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const selector = this.sightLine.calcIndexes(+sX, +sY, +tX, +tY)
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.map(([x, y]) => `g[data-y="${y}"] g[data-x="${x}"] use[href="#hex"]`)
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.join(', ');
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const hexes = this.svg.querySelectorAll(selector);
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this.sightLine.hexes = hexes;
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this.sightLine.drawLine(this.getCellPosition(sourceCell), this.getCellPosition(targetCell));
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this.distanceCallback && this.distanceCallback(hexes.length - 1);
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}
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clearSightLine() {
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this.sightLine.hexes = [];
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this.sightLine.clear();
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this.distanceCallback && this.distanceCallback();
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}
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}
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