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 = [];
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');
}
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 isGrenade(el) {
return el && el.getAttribute('href') === '#counter-grenade';
}
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 = [];
Observable.notify('proneflag', false);
if (selected) {
selected.classList.remove(soldier.getSelectedClass());
clearSightLine();
firingArc.clipAll(svg);
}
}
function clearSightLine() {
sightLine.setHexes([]);
sightLine.clear();
Observable.notify('distance');
}
function getSightLineHexes(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 };
const selector = sightLine
.calcIndexes(sourceIndex, targetIndex)
.map(({ q, r, s }) => `g[data-q="${q}"][data-r="${r}"][data-s="${s}"] use[href="#hex"]`)
.join(', ');
return svg.querySelectorAll(selector);
}
function updateSightLine(cell) {
const hexes = getSightLineHexes(cell, sightLine.getLockTarget());
sightLine.setHexes(hexes);
sightLine.update(getCellPosition(cell));
Observable.notify('distance', hexes.length - 1);
}
function drawSightLine(sourceCell, targetCell) {
const hexes = getSightLineHexes(sourceCell, targetCell);
sightLine.setHexes(hexes);
const line = sightLine.create(getCellPosition(sourceCell), getCellPosition(targetCell));
svg.querySelector('.gameboard').appendChild(line);
Observable.notify('distance', hexes.length - 1);
}
function moveBackOneStepInHistory(counter) {
const trace = soldier.getTrace(svg, counter);
counter.remove();
counter = getCounterAtGridIndex(...counter.dataset.previous.split(','));
counter.classList.remove('clone');
counter.classList.add(soldier.getSelectedClass());
if (!('previous' in counter.dataset)) {
trace.remove();
} else {
const points = trace.getAttribute('points').split(' ');
points.pop();
trace.setAttributeNS(null, 'points', points.join(' '));
}
return counter;
}
function clearMoveHistory(clone, counter) {
clone.classList.remove('clone');
clone.classList.add(soldier.getSelectedClass());
counter.remove();
counter = clone;
soldier.removeClones(svg, counter);
soldier.getTrace(svg, counter).remove();
return counter;
}
function deleteClone(occupant, counter, cell) {
const index = getGridIndex(occupant),
trace = soldier.getTrace(svg, counter),
pos = getCellPosition(cell),
points = trace.getAttribute('points').split(' ').filter(p => p != `${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'));
Observable.notify('proneflag', soldier.hasProne(counter));
placing.push(counter);
}
function endMove() {
const selected = getSelected();
if (selected) {
soldier.endMove(svg, selected);
deselect();
}
}
export function start(el) {
svg = el;
const startingLocations = svg.querySelector('.start-locations');
startingLocations && getUnits(startingLocations).forEach(unit => unit.addEventListener('click', selectOffBoard));
getCells(svg).forEach(cell => {
cell.addEventListener('click', e => {
const occupant = getCellOccupant(cell);
let toPlace = placing.pop();
if (isGrenade(toPlace)) {
getHex(cell).after(toPlace);
} else if (toPlace && !occupant) {
soldier.place(svg, toPlace, cell);
toPlace.removeEventListener('click', selectOffBoard);
placing.push(toPlace);
getLockedSightLine(svg) ? updateSightLine(cell) : clearSightLine();
} else if (toPlace && occupant) {
if (toPlace === occupant) {
if (hasPreviousMoveInHistory(toPlace)) {
toPlace = moveBackOneStepInHistory(toPlace);
placing.push(toPlace);
getLockedSightLine(svg) ? updateSightLine(toPlace.parentElement) : drawSightLine(toPlace.parentElement, cell);
} else {
Observable.notify('select');
}
} else if (!occupant.classList.contains('clone')) {
Observable.notify('select', occupant);
} else {
if (isClone(occupant).of(toPlace)) {
if (hasPreviousMoveInHistory(occupant)) {
deleteClone(occupant, toPlace, cell);
} else {
toPlace = clearMoveHistory(occupant, toPlace);
getLockedSightLine(svg) ? updateSightLine(cell) : clearSightLine();
}
}
placing.push(toPlace);
}
} else if (!toPlace && occupant) {
Observable.notify('select', occupant);
} else {
console.log('removing cell contents', cell);
getCellContents(cell).forEach(el => el.remove());
}
const selected = getSelected();
Observable.notify('proneflag', selected && soldier.hasProne(selected));
});
cell.addEventListener('dblclick', e => {
const toPlace = placing.pop(),
occupant = getCellOccupant(cell);
if (toPlace && occupant && toPlace === occupant) {
const { number, allegiance } = toPlace.dataset,
selector = `[data-allegiance="${allegiance}"][data-number="${number}"]`;
svg.querySelectorAll(selector).forEach(el => el.remove());
Observable.notify('select');
}
});
cell.addEventListener('contextmenu', e => {
e.preventDefault();
sightLine.toggleLock(cell);
cell.dispatchEvent(new MouseEvent('pointerover'));
});
cell.addEventListener('pointerover', () => {
const selected = getSelected();
if (selected && svg.querySelector('.grid').contains(selected) && !getLockedSightLine(svg) && cell !== selected.parentElement) {
clearSightLine();
drawSightLine(selected.parentElement, cell);
}
let occupant = getCellOccupant(cell);
if (occupant) {
firingArc.toggleCounterVisibility(svg, occupant, true);
}
});
cell.addEventListener('pointerout', () => {
getActiveSightLine(svg) && clearSightLine();
const occupant = getCellOccupant(cell);
if (occupant) {
firingArc.toggleCounterVisibility(svg, occupant, false);
}
});
});
// debug //
// const attacker = { dataset: { allegiance: 'attacker', number: 1, squad: 1 }};
// const defender = { dataset: { allegiance: 'defender', number: 1, squad: 2 }};
// soldier.place(svg, soldier.createCounter(attacker, 'blazer'), getCell(0, 0, 0, 0));
// soldier.place(svg, soldier.createCounter(defender, 'rifle'), getCell(-1, 0, 1, 0));
const svgns = "http://www.w3.org/2000/svg";
const img = document.createElementNS(svgns, 'image');
img.setAttribute('href', '/assets/images/mech_template.png');
img.setAttribute('width', '77');
img.setAttribute('height', '77');
img.setAttribute('transform', 'translate(-38.75, -38.5)');
img.style.opacity = 0.2;
img.style.pointerEvents = 'none';
const mech = document.createElementNS(svgns, 'g');
mech.setAttribute('transform', 'rotate(0) translate(-2.25, 0)');
mech.style.pointerEvents = 'none';
const deadZone = document.createElementNS(svgns, 'circle');
deadZone.style.stroke = 'red';
deadZone.style.strokeOpacity = 0.5;
deadZone.style.pointerEvents = 'none';
deadZone.setAttribute('r', '36.5');
const leftFoot = document.createElementNS(svgns, 'rect');
leftFoot.style.fill = 'red';
leftFoot.style.fillOpacity = 0.5;
leftFoot.setAttribute('x', '-16.25');
leftFoot.setAttribute('y', '5.75');
leftFoot.setAttribute('width', '34.5');
leftFoot.setAttribute('height', '12.25');
const rightFoot = document.createElementNS(svgns, 'rect');
rightFoot.style.fill = 'red';
rightFoot.style.fillOpacity = 0.5;
rightFoot.setAttribute('x', '-16.25');
rightFoot.setAttribute('y', '5.75');
rightFoot.setAttribute('width', '34.5');
rightFoot.setAttribute('height', '12.25');
rightFoot.setAttribute('transform', 'scale(1 -1)');
const forwardArc = document.createElementNS(svgns, 'path');
forwardArc.setAttribute('d', 'M -4,0 L -32.55,-16.5 A 36.5 36.5 0 0 0 -32.55,16.5 Z');
const rearArc = document.createElementNS(svgns, 'path');
rearArc.setAttribute('d', 'M 4,0 L 32.55,-16.5 A 36.5 36.5 0 0 1 32.55,16.5 Z');
const forwardRightArc = document.createElementNS(svgns, 'path');
forwardRightArc.setAttribute('d', 'M 0,2.3 L -32.55,-16.5 A 36.5 36.5 0 0 1 0,-36.5 Z');
const forwardLeftArc = document.createElementNS(svgns, 'path');
forwardLeftArc.setAttribute('d', 'M 0,-2.3 L -32.55,16.5 A 36.5 36.5 0 0 0 0,36.5 Z');
const rightArc = document.createElementNS(svgns, 'path');
rightArc.setAttribute('d', 'M 0,2.3 L 32.55,-16.5 A 36.5 36.5 0 0 0 0,-36.5 Z');
const leftArc = document.createElementNS(svgns, 'path');
leftArc.setAttribute('d', 'M 0,-2.3 L 32.55,16.5 A 36.5 36.5 0 0 1 0,36.5 Z');
const arcs = document.createElementNS(svgns, 'g');
arcs.setAttribute('mask', 'url(#mech-template-mask)');
arcs.style.stroke = 'white';
arcs.style.strokeOpacity = 0.5;
const mask = document.createElementNS(svgns, 'mask');
mask.id = 'mech-template-mask';
const visible = document.createElementNS(svgns, 'circle');
visible.setAttribute('fill', 'white');
visible.setAttribute('r', '36.5');
const invisible = document.createElementNS(svgns, 'rect');
invisible.setAttribute('x', '-16.25');
invisible.setAttribute('y', '-18');
invisible.setAttribute('width', '34.5');
invisible.setAttribute('height', '36');
invisible.setAttribute('fill', 'black');
const arrow = document.createElementNS(svgns, 'polyline');
arrow.setAttribute('points', '-23,-3 -25,0 -23,3');
arrow.style.stroke = 'black';
mask.append(visible);
mask.append(invisible);
mech.append(img);
mech.append(deadZone);
mech.append(leftFoot);
mech.append(rightFoot);
mech.append(arrow);
arcs.append(forwardArc);
arcs.append(rearArc);
arcs.append(forwardRightArc);
arcs.append(forwardLeftArc);
arcs.append(rightArc);
arcs.append(leftArc);
mech.append(arcs);
const cell = getCell(-4, 6, -2, 0);
//cell.append(mask);
//cell.append(mech);
const mechTemplate = document.createElementNS(svgns, 'use');
mechTemplate.setAttribute('href', '#mech-template');
cell.append(mechTemplate);
console.log(cell);
///////////
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 toggleProne() {
const selected = getSelected();
if (selected) soldier.toggleProne(selected);
}
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 setGrenade() {
let counter = document.createElementNS(svgns, 'use');
counter.setAttributeNS(null, 'href', '#counter-grenade');
placing.push(counter);
}