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82 lines
2.6 KiB
JavaScript
82 lines
2.6 KiB
JavaScript
import { TRIGGER_TYPES } from "../constants.js";
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import { handleTrigger } from "../engine/reaction-engine.js";
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import { getBestTokenDocumentForActor } from "../utils/token-utils.js";
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export function registerDnd5eDamageTrigger() {
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Hooks.on("dnd5e.applyDamage", async (actor, amount, options = {}) => {
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if (!game.user.isGM) return;
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if (!actor) return;
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const hookOptions = normalizeDamageHookOptions(options);
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const tokenDocument = resolveDamageTokenDocument(actor, hookOptions);
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const damageTypes = extractDamageTypes(hookOptions);
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const numericAmount = Number(amount) || 0;
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await handleTrigger(TRIGGER_TYPES.DAMAGE_RECEIVED, {
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actor: tokenDocument?.actor ?? actor,
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targetActor: tokenDocument?.actor ?? actor,
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tokenDocument,
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targetTokenDocument: tokenDocument,
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targetToken: tokenDocument?.object ?? null,
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amount: numericAmount,
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damageAmount: numericAmount,
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damageTypes,
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options: hookOptions
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});
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});
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}
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function normalizeDamageHookOptions(options) {
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return options && typeof options === "object" ? options : {};
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}
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function resolveDamageTokenDocument(actor, options) {
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return options.tokenDocument ??
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options.token?.document ??
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options.token ??
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options.targetTokenDocument ??
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options.targetToken?.document ??
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actor.token ??
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getBestTokenDocumentForActor(actor);
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}
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function extractDamageTypes(options) {
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const knownTypes = getKnownDamageTypes();
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const collected = new Set();
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collectDamageTypes(options, knownTypes, collected);
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return Array.from(collected);
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}
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function collectDamageTypes(value, knownTypes, collected, seen = new WeakSet(), depth = 0) {
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if (value == null || depth > 5) return;
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if (typeof value === "string") {
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if (knownTypes.has(value)) collected.add(value);
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return;
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}
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if (typeof value !== "object") return;
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if (seen.has(value)) return;
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seen.add(value);
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if (Array.isArray(value) || value instanceof Set) {
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for (const entry of value) collectDamageTypes(entry, knownTypes, collected, seen, depth + 1);
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return;
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}
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if (value instanceof Map) {
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for (const entry of value.values()) collectDamageTypes(entry, knownTypes, collected, seen, depth + 1);
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return;
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}
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for (const key of ["type", "damageType", "damageTypeId", "types", "damageTypes", "damage", "damages", "damageDetail", "parts"]) {
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collectDamageTypes(value[key], knownTypes, collected, seen, depth + 1);
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}
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}
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function getKnownDamageTypes() {
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const damageTypes = CONFIG.DND5E?.damageTypes ?? {};
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if (damageTypes instanceof Map) return new Set(damageTypes.keys());
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return new Set(Object.keys(damageTypes));
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}
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