Expand website and game trackers

src/lib/game-tracker/rank-limits.ts

@@ -0,0 +1,43 @@
+import type { MasteryRules } from './mastery';
+
+export type RankLimits = {
+	maxLevel: number | null;
+	maxPrestige: number;
+	canPrestigeOnlyAtMaxLevel: boolean;
+	rankable: boolean;
+};
+
+const capsFor = (rules: MasteryRules) => rules.rankCaps;
+
+export function playerRankLimits(rules: MasteryRules): RankLimits {
+	const caps = capsFor(rules)?.player;
+	return {
+		maxLevel: caps?.level ?? null,
+		maxPrestige: caps?.prestige ?? 1000,
+		canPrestigeOnlyAtMaxLevel: false,
+		rankable: true
+	};
+}
+
+export function weaponRankLimits(
+	rules: MasteryRules,
+	weapon: Pick<{ category: string; name: string }, 'category' | 'name'>
+): RankLimits {
+	const caps = capsFor(rules);
+	if (!caps) {
+		return {
+			maxLevel: null,
+			maxPrestige: 1000,
+			canPrestigeOnlyAtMaxLevel: false,
+			rankable: true
+		};
+	}
+	const maxLevel =
+		caps.weaponLevelOverrides?.[weapon.name] ?? caps.weaponLevelsByClass[weapon.category] ?? null;
+	return {
+		maxLevel,
+		maxPrestige: caps.weaponPrestige,
+		canPrestigeOnlyAtMaxLevel: true,
+		rankable: maxLevel !== null
+	};
+}