v1.198.1

js/bestiary/bestiary-encounterbuilder-cache.js

@@ -0,0 +1,39 @@
+import {EncounterBuilderCacheBase} from "../encounterbuilder/encounterbuilder-cache.js";
+
+export class EncounterBuilderCacheBestiaryPage extends EncounterBuilderCacheBase {
+	_cache = null;
+
+	constructor ({bestiaryPage}) {
+		super();
+		this._bestiaryPage = bestiaryPage;
+	}
+
+	_build () {
+		if (this._cache != null) return;
+		// create a map of {XP: [monster list]}
+		this._cache = this._getBuiltCache();
+	}
+
+	_getBuiltCache () {
+		const out = {};
+		this._bestiaryPage.list_.visibleItems
+			.map(li => this._bestiaryPage.dataList_[li.ix])
+			.filter(mon => !this._isUnwantedCreature(mon))
+			.forEach(mon => {
+				(out[Parser.crToXpNumber(mon.cr)] ||= []).push(mon);
+			});
+		return out;
+	}
+
+	reset () { this._cache = null; }
+
+	getCreaturesByXp (xp) {
+		this._build();
+		return this._cache[xp] || [];
+	}
+
+	getXpKeys () {
+		this._build();
+		return Object.keys(this._cache).map(it => Number(it));
+	}
+}