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";
let svg,
placing = [];
const top = {
collection: new Map()
};
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());
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();
}
}
// Work around webkit bug https://bugs.webkit.org/show_bug.cgi?id=233432
function workaroundForWebKitBug233432(listener) {
return e => {
const elUnderCursor = svg.parentNode.elementFromPoint(e.clientX, e.clientY);
if (!e.target.contains(elUnderCursor)) listener(e);
};
}
export function start(el) {
svg = el;
//const gridTop = svg.querySelector('.grid-top');
//top.container = svg.querySelector('.grid-top > .container');
//const topHex = svg.querySelector('.grid-top > use[href="#hex"]');
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();
console.log('object', svg.querySelectorAll('.hover'));
});
svg.addEventListener('pointerover', e => {
const targetCell = e.target.closest('[data-q][data-r][data-s][data-t], .frontmost');
console.log(
'SVG pointerOVER ================================',
'\ne.target',
e.target,
'\ntarget closest',
targetCell,
'\ne.relatedTarget',
e.relatedTarget,
'\nrelatedTarget closest',
e.relatedTarget && e.relatedTarget.closest('[data-q][data-r][data-s][data-t]')
);
//console.log('target closest root', e.target.closest('[data-q][data-r][data-s][data-t] > *'));
// 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();
}
//const counter = targetCell && targetCell.querySelector('.counter');
//console.log('pointerover', 'targetCell', targetCell);
//if (targetCell) {
// const children = [...targetCell.children].filter(c => c.getAttributeNS(null, 'href') !== '#hex');
// if (children.length > 0) {
// frontmost.setAttributeNS(null, 'transform', targetCell.getAttributeNS(null, 'transform'));
// children.forEach(child => {
// if (child.classList.contains('counter')) {
// firingArc.toggleCounterVisibility(svg, child, true);
// }
// frontmostStore.set(child, targetCell);
// frontmost.append(child);
// });
// }
//}
//if (counter) {
// firingArc.toggleCounterVisibility(svg, counter, true);
// frontmost.setAttributeNS(null, 'transform', targetCell.getAttributeNS(null, 'transform'));
// frontmostStore.set(counter, targetCell);
// frontmost.append(counter);
//}
//targetCell && targetCell.classList.add('hover');
//if (targetCell && !targetCell.classList.contains('frontmost')) {
// targetCell.classList.add('hover');
// const occupant = targetCell.querySelector('.counter');
//
// if (occupant) {
// firingArc.toggleCounterVisibility(svg, occupant, true);
// }
// const children = [...targetCell.children].filter(c => c.getAttributeNS(null, 'href') !== '#hex');
// if (children.length > 0) {
// frontmost.setAttributeNS(null, 'transform', targetCell.getAttributeNS(null, 'transform'));
// children.forEach(child => {
// frontmostStore.set(child, targetCell);
// frontmost.append(child);
// });
// }
//}
console.log('frontmost contents', frontmost.children);
});
//svg.addEventListener('pointerout', e => {
// //console.log('pointer out target', e.target);
// const targetCell = e.target.closest('[data-q][data-r][data-s][data-t], .frontmost');
// console.log('SVG pointerOUT', 'e.target', e.target, 'relatedTarget', e.relatedTarget, 'closest', targetCell);
//
// if (targetCell) {
// //console.log('SVG pointerout', targetCell);
// [...frontmost.children].forEach(child => {
// //console.log('child', child, 'relatedTarget', e.relatedTarget);
// //if ([
// // !e.relatedTarget, // out of the window
// // targetCell.classList.contains('frontmost') && !e.relatedTarget.closest('.frontmost'), // from one element in frontmost to another element in frontmost
// // !targetCell.classList.contains('frontmost') && frontmostStore.get(child) === targetCell, // leaving from a hex under frontmost
// //].some(e => e)) {
// console.log('child', child, 'belongs to', frontmostStore.get(child));
// //console.log('relatedTarget', e.relatedTarget);
// //if (!e.relatedTarget || frontmostStore.get(child) !== targetCell || (e.relatedTarget !== child && !child.contains(e.relatedTarget))) {
// //if (!e.relatedTarget || frontmostStore.get(child) !== targetCell || e.relatedTarget !== child) {
// const closest = e.relatedTarget && e.relatedTarget.closest('[data-q][data-r][data-s][data-t], .frontmost');
// if (!e.relatedTarget || (closest && !closest.classList.contains('hover') && !closest.classList.contains('frontmost'))) {
// const parent = frontmostStore.get(child);
// console.log('returning to', parent);
// parent.append(child);
// firingArc.toggleCounterVisibility(svg, child, false);
// parent.classList.remove('hover');
// frontmostStore.delete(child);
// }
// });
// if (frontmost.children.length < 1) targetCell.classList.remove('hover');
// } else {
// [...frontmost.children].forEach(child => {
// const parent = frontmostStore.get(child);
// parent.append(child);
// parent.classList.remove('hover');
// firingArc.toggleCounterVisibility(svg, child, false);
// frontmostStore.delete(child);
// });
// }
// console.log('hover cells', svg.querySelectorAll('.hover'));
// 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 => {
frontmostStore.delete(child);
child.remove();
});
}
});
//gridTop.addEventListener('pointerleave', workaroundForWebKitBug233432(e => {
// console.log('pointerleave top', performance.now(), top.cell);
// const occupant = svg.querySelector('.grid-top .container .counter');
//
// if (occupant) {
// firingArc.toggleCounterVisibility(svg, occupant, false);
// }
//
// [...top.container.children].forEach(child => {
// top.collection.get(child).parent.append(child);
// top.collection.delete(child);
// });
//
// top.cell = null;
//
// getActiveSightLine(svg) && clearSightLine();
//}));
//topHex.addEventListener('click', clickHandler);
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 = e.target.closest('[data-q][data-r][data-s][data-t]') || frontmostStore.get(e.target.closest('.frontmost > *'));
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();
}
//getCells(svg).forEach(cell => {
// cell.addEventListener('pointerleave', () => {
// console.log('pointerleave cell', performance.now(), cell);
// });
//
// cell.addEventListener('pointerover', () => {
// console.log('pointerenter', performance.now(), cell);
//
// top.cell = cell;
//
// [...top.container.children].forEach(child => {
// top.collection.get(child).parent.append(child);
// top.collection.delete(child);
// });
//
// top.container.parentElement.setAttributeNS(null, 'transform', cell.getAttributeNS(null, 'transform'));
//
// [...cell.children].filter(c => c.getAttributeNS(null, 'href') !== '#hex').forEach(child => {
// top.collection.set(child, { parent: cell });
// top.container.append(child);
// });
//
// let occupant = svg.querySelector('.grid-top .container .counter');
// const selected = getSelected();
//
// if (placing[0]?.getAttributeNS(null, 'class') == 'mech-template') {
// cell.appendChild(placing[0]);
// }
//
// if (selected && svg.querySelector('.grid').contains(selected) && !getLockedSightLine(svg) && cell !== selected.parentElement) {
// clearSightLine();
// drawSightLine(selected.parentElement, cell);
// }
//
// occupant = getCellOccupant(cell);
//
// if (occupant) {
// firingArc.toggleCounterVisibility(svg, occupant, true);
// }
// });
//});
//const cell = document.querySelector('[data-q="0"][data-r="0"][data-s="0"][data-t="0"]');
//const povr = new PointerEvent('pointerover');
//const pout = new PointerEvent('pointerout');
//cell.dispatchEvent(povr);
//cell.dispatchEvent(pout);
// debug //
// Add a trooper counter
//const defender = { dataset: { allegiance: 'defender', number: 1, squad: 2 }};
//const cell2 = getCell(-1, 0, 1, 0);
//frontmost.setAttributeNS(null, 'transform', cell2.getAttributeNS(null, 'transform'));
//const trooper2 = soldier.createCounter(defender, 'blazer');
//frontmostStore.set(trooper2, cell2);
//frontmost.append(trooper2);
//cell2.classList.add('hover');
//
//const cell = getCell(0, 0, 0, 0);
//const attacker = { dataset: { allegiance: 'attacker', number: 1, squad: 1 }};
//const trooper = soldier.createCounter(attacker, 'blazer');
//soldier.place(svg, trooper, cell);
// 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-${name}`);
//frontmostStore.set(counter, cell2);
//frontmost.append(counter);
//arrangeCounters(frontmost)
//counter.addEventListener('click', e => {
// e.stopPropagation()
// const container = counter.parentElement;
// counter.remove()
// arrangeCounters(container);
//});
//setCounter('grenade');
//setCounter('prone');
//setCounter('1st-floor');
//const e = new PointerEvent('click');
//countersCell.dispatchEvent(e);
//countersCell.dispatchEvent(e);
//countersCell.dispatchEvent(e);
///////////
Observable.subscribe('select', select);
Observable.subscribe('endmove', endMove);
console.log('gameboard.js loaded');
}
export function stop() {
Observable.unsubscribe('select', select);
Observable.unsubscribe('endmove', endMove);
}
export function getUnits() {
return soldier.getAllCounters(svg);
}
export function clearFiringArcs(allegiance) {
firingArc.clear(svg, allegiance);
}
export function toggleFiringArcVisibility() {
firingArc.toggleVisibility(svg, this.dataset.allegiance);
}
export function setFiringArc() {
const counter = getSelected(),
isOnBoard = counter => counter && counter.parentElement.hasAttribute('data-q');
if (isOnBoard(counter)) {
//returnToParent(top);
firingArc.set(svg, this.dataset.size, counter, getCellPosition(counter.parentElement));
}
}
export function setCounter(name) {
const selected = getSelected();
const counter = document.createElementNS(svgns, 'use');
counter.addEventListener('click', e => {
e.stopPropagation()
const container = counter.parentElement;
counter.remove()
arrangeCounters(container);
});
counter.setAttributeNS(null, 'href', `#counter-${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);
}