import * as firingArc from './game/firing_arc.js';
import * as sightLine from './game/sight_line.js';
import * as soldier from './game/soldier.js';
import { Observable } from './observable';
import { manualPan } from 'pan-zoom';
let svg,
placing = [];
const frontmostStore = new Map();
function getCellContents(cell) {
return cell.querySelectorAll('*:not(use[href="#hex"])');
}
function getGridIndex({ parentElement: { dataset: { q, r, s, t }}}) {
return { q: +q, r: +r, s: +s, t: +t };
}
function getHex(cell) {
return cell.querySelector('use[href="#hex"]');
}
function getCellOccupant(cell) {
return cell.querySelector('.counter') || svg.querySelector('.grid-top .counter');
}
function getCells(svg) {
return svg.querySelectorAll('[data-q][data-r][data-s][data-t]');
}
function getLockedSightLine(svg) {
return svg.querySelector('line.sight-line:not(.active)');
}
function getActiveSightLine(svg) {
return svg.querySelector('line.sight-line.active');
}
function isCounter(el) {
const regex = new RegExp('^#counter-')
return el && regex.test(el.getAttribute('href'));
}
function isMechTemplate(el) {
return el && el.getAttribute('class') === 'mech-template';
}
function isClone(counter) {
const isClone = counter.classList.contains('clone'),
{ allegiance: clAl, number: clNum } = counter.dataset;
return {
of: function ({ dataset: { allegiance, number }}) {
return isClone && clAl == allegiance && clNum == number;
}
};
}
function getCellPosition(cell) {
const [x, y] = cell.getAttributeNS(null, 'transform').match(/-?\d+\.?\d*/g);
return { x, y };
}
function getCell(q, r, s, t) {
return svg.querySelector(`g[data-q="${q}"][data-r="${r}"][data-s="${s}"][data-t="${t}"]`);
}
function getCounterAtGridIndex(...coords) {
return getCell(...coords).querySelector('.counter');
}
function getSelected() {
return svg.querySelector(`.counter.selected[data-allegiance][data-number]`);
}
function deselect() {
const selected = getSelected();
placing = [];
if (selected) {
selected.classList.remove(soldier.getSelectedClass());
clearSightLine();
firingArc.clipAll(svg);
}
}
function clearSightLine() {
sightLine.setHexes([]);
sightLine.clear();
Observable.notify('distance');
}
function calcSightLineIndexes(source, target) {
const { q: sq, r: sr, s: ss } = source.dataset;
const { q: tq, r: tr, s: ts } = target.dataset;
const sourceIndex = { q: +sq, r: +sr, s: +ss };
const targetIndex = { q: +tq, r: +tr, s: +ts };
return sightLine.calcIndexes(sourceIndex, targetIndex);
}
function getSightLineHexes(indexes) {
const selector = indexes
.map(({ q, r, s }) => `g[data-q="${q}"][data-r="${r}"][data-s="${s}"] use[href="#hex"]`)
.join(', ');
return svg.querySelectorAll(selector);
}
function calcSightLine(source, target) {
const indexes = calcSightLineIndexes(source, target);
const hexes = getSightLineHexes(indexes);
sightLine.setHexes(hexes);
Observable.notify('distance', indexes.length - 1);
}
function updateSightLine(cell) {
calcSightLine(cell, sightLine.getLockTarget());
sightLine.update(getCellPosition(cell));
}
function drawSightLine(sourceCell, targetCell) {
calcSightLine(sourceCell, targetCell);
const line = sightLine.create(getCellPosition(sourceCell), getCellPosition(targetCell));
svg.querySelector('.gameboard').appendChild(line);
}
function moveBackOneStepInHistory(counter) {
const trace = soldier.getTrace(svg, counter);
counter.remove();
counter = getCounterAtGridIndex(...counter.dataset.previous.split(','));
counter.classList.remove('clone');
counter.classList.add(soldier.getSelectedClass());
if (!('previous' in counter.dataset)) {
trace.remove();
} else {
const points = trace.getAttribute('points').split(' ');
points.pop();
trace.setAttributeNS(null, 'points', points.join(' '));
}
return counter;
}
function clearMoveHistory(clone, counter) {
clone.classList.remove('clone');
clone.classList.add(soldier.getSelectedClass());
counter.remove();
counter = clone;
soldier.removeClones(svg, counter);
soldier.getTrace(svg, counter).remove();
return counter;
}
function deleteClone(occupant, counter, cell) {
const index = getGridIndex(occupant),
trace = soldier.getTrace(svg, counter),
pos = getCellPosition(cell),
points = trace.getAttribute('points').split(' ').filter(p => p != `${pos.x},${pos.y}`).join(' ');;
let current = counter;
trace.setAttributeNS(null, 'points', points);
while (current.dataset.previous != `${index.q},${index.r},${index.s},${index.t}`) {
current = getCounterAtGridIndex(...current.dataset.previous.split(','));
}
current.dataset.previous = occupant.dataset.previous;
occupant.remove();
}
function hasPreviousMoveInHistory(counter) {
return 'previous' in counter.dataset;
}
function selectOffBoard() {
Observable.notify('select', this);
}
function select(data) {
const counter = data && (soldier.getCounter(svg, data) || soldier.createCounter(data));
const isSelected = data && data.classList && data.classList.contains('selected');
deselect();
if (isSelected || !data) return;
counter.classList.add(soldier.getSelectedClass());
const gb = svg.querySelector('.gameboard');
// TODO check if counter is on board before calling
manualPan(gb, counter);
firingArc.get(svg, counter).forEach(el => el.removeAttribute('clip-path'));
placing.push(counter);
}
function endMove() {
const selected = getSelected();
if (selected) {
soldier.endMove(svg, selected);
deselect();
}
}
export function start(el) {
svg = el;
const grid = svg.querySelector('.grid');
const frontmost = grid.querySelector('.frontmost');
// For when the pointer leaves the window
document.querySelector('object').addEventListener('pointerout', e => {
if (clearHexDialog.open) return;
//console.log('object pointerout');
//console.log('Left map... CLEARING HOVERS');
svg.querySelectorAll('.hover').forEach(el => el.classList.remove('hover'));
[...frontmost.children].forEach(child => {
const parent = frontmostStore.get(child);
parent.append(child);
if (child.classList.contains('counter')) {
firingArc.toggleCounterVisibility(svg, child, false);
}
frontmostStore.delete(child);
});
getActiveSightLine(svg) && clearSightLine();
});
svg.addEventListener('pointerover', e => {
const targetCell = e.target.closest('[data-q][data-r][data-s][data-t], .frontmost');
// Pointer moves outside the edge of the grid
if (!targetCell) {
//console.log('No target cell... CLEARING HOVERS');
svg.querySelectorAll('.hover').forEach(el => el.classList.remove('hover'));
[...frontmost.children].forEach(child => {
const parent = frontmostStore.get(child);
parent.append(child);
if (child.classList.contains('counter')) {
firingArc.toggleCounterVisibility(svg, child, false);
}
frontmostStore.delete(child);
});
}
// Pointer moves over a cell
if (targetCell) {
if ([
// that is not already highlighted
!targetCell.classList.contains('hover'),
// 's contents that is in frontmost, whose parent cell is not already highlighted
!(targetCell.classList.contains('frontmost') && frontmostStore.get(e.target.closest('.frontmost > *')).classList.contains('hover'))
].every(e => e)) {
//console.log('Target cell missing hover... CLEARING HOVERS AND ADDING TO TARGET CELL');
svg.querySelectorAll('.hover').forEach(el => el.classList.remove('hover'));
if (placing[0]?.getAttributeNS(null, 'class') === 'mech-template') {
targetCell.prepend(placing[0]);
}
[...frontmost.children].forEach(child => {
const parent = frontmostStore.get(child);
parent.append(child);
if (child.classList.contains('counter')) {
firingArc.toggleCounterVisibility(svg, child, false);
}
frontmostStore.delete(child);
});
frontmost.setAttributeNS(null, 'transform', targetCell.getAttributeNS(null, 'transform'));
const children = [...targetCell.children].filter(c => c.getAttributeNS(null, 'href') !== '#hex');
if (children.length > 0) {
children.forEach(child => {
if (child.classList.contains('counter')) {
firingArc.toggleCounterVisibility(svg, child, true);
}
frontmostStore.set(child, targetCell);
frontmost.append(child);
});
}
targetCell.classList.contains('frontmost') ? frontmostStore.get(e.target.closest('.frontmost > *')).classList.add('hover') : targetCell.classList.add('hover');
}
}
const selected = getSelected();
if (selected && targetCell && svg.querySelector('.grid').contains(selected) && !getLockedSightLine(svg) && selected.parentElement !== frontmost) {
clearSightLine();
drawSightLine(selected.parentElement, grid.querySelector('.hover'));
} else {
getActiveSightLine(svg) && clearSightLine();
}
//console.log('frontmost contents', frontmost.children);
});
grid.addEventListener('click', clickHandler);
const clearHexDialog = document.querySelector('#clear-hex');
clearHexDialog.addEventListener('close', e => {
if (clearHexDialog.returnValue === 'confirm') {
[...frontmost.children].forEach(child => {
if (child.classList.contains('counter'))
firingArc.get(svg, child).forEach(el => el.remove());
frontmostStore.delete(child);
child.remove();
});
}
});
grid.addEventListener('contextmenu', e => {
e.preventDefault();
const selected = getSelected();
if (selected) {
if (sightLine.getSightLine()) sightLine.toggleLock(grid.querySelector('.hover'));
if (getActiveSightLine(svg)) {
clearSightLine();
if (selected.parentElement !== frontmost)
drawSightLine(selected.parentElement, grid.querySelector('.hover'));
}
} else {
clearHexDialog.showModal();
}
});
const startingLocations = svg.querySelector('.start-locations');
startingLocations && getUnits(startingLocations).forEach(unit => unit.addEventListener('click', selectOffBoard));
function clickHandler(e) {
const targetCell = grid.querySelector('.hover');
const occupant = frontmost.querySelector('.counter');
let toPlace = placing.pop();
if (isCounter(toPlace) || isMechTemplate(toPlace)) {
frontmostStore.set(toPlace, targetCell);
isMechTemplate(toPlace) ? frontmost.prepend(toPlace) : frontmost.append(toPlace);
if (isCounter(toPlace)) arrangeCounters(frontmost);
removeEventListener("keydown", handleMechTemplateRotation);
} else if (toPlace && !occupant) {
frontmostStore.set(toPlace, targetCell);
const mechTemplate = frontmost.querySelector('.mech-template');
mechTemplate ? mechTemplate.after(toPlace) : frontmost.prepend(toPlace);
placing.push(toPlace);
getLockedSightLine(svg) ? updateSightLine(targetCell) : clearSightLine();
} else if (toPlace && occupant) {
if (toPlace === occupant) {
Observable.notify('select');
} else {
Observable.notify('select', occupant);
}
} else if (!toPlace && occupant) {
Observable.notify('select', occupant);
}
const selected = getSelected();
}
// debug //
// Add a trooper counter
//const defender = { dataset: { allegiance: 'defender', number: 1, squad: 2 }};
//const cell2 = getCell(-5, 10, -5, 0);
//frontmost.setAttributeNS(null, 'transform', cell2.getAttributeNS(null, 'transform'));
//const trooper2 = soldier.createCounter(defender, 'gl');
//frontmostStore.set(trooper2, cell2);
//frontmost.append(trooper2);
//cell2.classList.add('hover');
//
const trooper1 = soldier.createCounter({ dataset: { allegiance: 'attacker', number: 1, squad: 1 }}, 'blazer');
soldier.place(svg, trooper1, getCell(-3, 9, -6, 0));
soldier.place(
svg,
soldier.createCounter({ dataset: { allegiance: 'defender', number: 1, squad: 1 }}, 'blazer'),
getCell(1, -8, 7, 0)
);
const t1Rect = trooper1.getBoundingClientRect();
setTimeout(() => {
const t1Rect = trooper1.getBoundingClientRect();
console.log('trooper', trooper1, trooper1.getBoundingClientRect());
}, 10);
// Add some counters in an unoccupied cell
//const countersCell = getCell(-1, 1, 0, 0);
//const counter = document.createElementNS(svgns, 'use');
//const name = 'grenade';
//counter.setAttributeNS(null, 'href', `#counter-${name}`);
//counter.classList.add(`counter-${name}`);
//frontmostStore.set(counter, cell2);
//frontmost.append(counter);
//arrangeCounters(frontmost)
//counter.addEventListener('click', e => {
// e.stopPropagation()
// const container = counter.parentElement;
// counter.remove()
// arrangeCounters(container);
//});
//setCounter('grenade');
//setCounter('prone');
//setCounter('1st-floor');
//const e = new PointerEvent('click');
//countersCell.dispatchEvent(e);
//countersCell.dispatchEvent(e);
//countersCell.dispatchEvent(e);
///////////
Observable.subscribe('select', select);
Observable.subscribe('endmove', endMove);
console.log('gameboard.js loaded');
}
export function stop() {
Observable.unsubscribe('select', select);
Observable.unsubscribe('endmove', endMove);
}
export function getUnits() {
return soldier.getAllCounters(svg);
}
export function clearFiringArcs(allegiance) {
firingArc.clear(svg, allegiance);
}
export function toggleFiringArcVisibility() {
firingArc.toggleVisibility(svg, this.dataset.allegiance);
}
export function setFiringArc() {
const counter = getSelected(),
isOnBoard = counter => counter && counter.parentElement.hasAttribute('data-q');
if (isOnBoard(counter)) {
firingArc.set(svg, this.dataset.size, counter, getCellPosition(counter.parentElement));
}
}
export function setCounter(name) {
const selected = getSelected();
const counter = document.createElementNS(svgns, 'use');
counter.addEventListener('click', e => {
e.stopPropagation()
const container = counter.parentElement;
counter.remove()
arrangeCounters(container);
});
counter.setAttributeNS(null, 'href', `#counter-${name}`);
counter.classList.add(`counter-${name}`);
if (selected) {
selected.append(counter);
arrangeCounters(selected);
}
else
placing.push(counter);
}
function arrangeCounters(container) {
const counters = [...container.children].filter(isCounter);
const length = 12;
const gravity = 1;
const lateralForce = gravity;
const rads = Math.atan(lateralForce / gravity);
const bestFitCount = 8;
const deflection = counters.length > bestFitCount ? 2 * Math.PI / counters.length : Math.atan(lateralForce / gravity);
counters.forEach((counter, index, arr) => {
const mult = index - arr.length / 2 + 0.5;
const theta = deflection * mult;
const x = length * Math.sin(theta);
const y = length * Math.cos(theta);
counter.setAttributeNS(null, 'style', `--x: ${-x}px; --y: ${y}px`);
});
}
function handleMechTemplateRotation(event) {
const counter = placing[0];
const upper = placing[0].querySelector('use[href="#mech-template-upper"]');
if (event.key === 'a') {
let direction = +counter.style.transform.match(/-?\d+/) || 0;
direction -= 60;
counter.style.transform = `rotate(${direction}deg)`;
} else if (event.key === 'd') {
let direction = +counter.style.transform.match(/-?\d+/) || 0;
direction += 60;
counter.style.transform = `rotate(${direction}deg)`;
} else if (event.key === 'q') {
let facing = +upper.style.transform.match(/-?\d+/) || 0;
facing = facing <= -60 ? -60 : facing - 60;
upper.style.transform = `rotate(${facing}deg)`;
} else if (event.key === 'e') {
let facing = +upper.style.transform.match(/-?\d+/) || 0;
facing = facing >= 60 ? 60 : facing + 60;
upper.style.transform = `rotate(${facing}deg)`;
}
}
export function setMechTemplate() {
const counter = document.createElementNS(svgns, 'g');
counter.setAttributeNS(null, 'class', 'mech-template');
counter.style.pointerEvents = 'none';
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);
}