import { getSetting } from './settings.js';
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const rad = Math.PI * 2, baseRotation = Math.PI / 4;
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function repositionToken(token, rotation, offset, pos = 0) {
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const size = token.scene.dimensions.size, x = Math.sin(rotation * pos + baseRotation) * offset * token.document.width * size, y = Math.cos(rotation * pos + baseRotation) * offset * token.document.height * size;
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token.border.x = token.document.x - x;
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token.border.y = token.document.y - y;
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token.hitArea.x = -x;
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token.hitArea.y = -y;
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const gridOffset = size / 2;
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token.mesh.x = token.border.x + gridOffset * token.document.width;
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token.mesh.y = token.border.y + gridOffset * token.document.height;
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}
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let SNAPPED_TOKENS = [];
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function findGroup(token) {
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for (const group of SNAPPED_TOKENS) {
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for (const t of group) {
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if (token === t)
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return group;
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}
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}
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}
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function sameGroup(oldGroup, newGroup) {
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if (oldGroup.length !== newGroup.length)
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return false;
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for (const t of oldGroup) {
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if (!newGroup.includes(t))
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return false;
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}
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return true;
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}
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export function refreshAll(groups = SNAPPED_TOKENS) {
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for (const t of SNAPPED_TOKENS.flat()) {
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t.object?.refresh();
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}
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}
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function snapToken(token, options) {
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if (token.isAnimating)
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return;
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if (!getSetting('snapTokens')) {
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token.hitArea.x = 0;
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token.hitArea.y = 0;
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return;
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}
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const oldGroup = findGroup(token.document);
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const x = token.document.x, y = token.document.y, height = token.document.height, width = token.document.width;
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const ignoreDead = getSetting('ignoreDead');
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const tokens = token.scene.tokens.contents.filter((token) => !token.object?.destroyed &&
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token.object.x === x &&
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token.object.y === y &&
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token.height === height &&
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token.width === width &&
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!(ignoreDead && checkStatus(token, ['dead', 'dying', 'unconscious'])) &&
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token.object.visible);
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if (tokens.length < 2) {
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token.hitArea.x = 0;
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token.hitArea.y = 0;
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if (oldGroup) {
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if (oldGroup.length > 1) {
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const idx = oldGroup.indexOf(token.document);
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oldGroup.splice(idx, 1);
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refreshAll(oldGroup);
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}
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else {
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const idx = SNAPPED_TOKENS.indexOf(oldGroup);
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SNAPPED_TOKENS.splice(idx, 1);
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}
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}
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return;
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}
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if (oldGroup && !sameGroup(oldGroup, tokens)) {
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const idx = oldGroup.indexOf(token.document);
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oldGroup.splice(idx, 1);
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if (oldGroup.length)
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refreshAll(oldGroup);
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else {
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const idx = SNAPPED_TOKENS.indexOf(oldGroup);
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SNAPPED_TOKENS.splice(idx, 1);
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}
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}
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const newGroup = findGroup(tokens.find((t) => t !== token.document));
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if (newGroup) {
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const idx = SNAPPED_TOKENS.indexOf(newGroup);
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SNAPPED_TOKENS.splice(idx, 1);
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}
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SNAPPED_TOKENS.push(tokens);
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const angle = rad / tokens.length;
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const offset = getSetting('scatter');
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for (let i = 0; i < tokens.length; i++)
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repositionToken(tokens[i].object, angle, offset, i);
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}
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function checkStatus(token, status) {
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return status.some((s) => token.hasStatusEffect(s));
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}
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Hooks.on('refreshToken', snapToken);
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Hooks.on('canvasTearDown', () => (SNAPPED_TOKENS = []));
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