57 lines
3.0 KiB
TypeScript
57 lines
3.0 KiB
TypeScript
import type { AlbionCity } from '../types/api'
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// Source: Albion Online Wiki — Production Bonuses
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// Formula: RRR% = (1 - 1 / (1 + LPB/100)) × 100
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//
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// Royal cities base LPB: 18% → RRR ≈ 15.3%
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// Specialization bonus: +15% → total 33% LPB → RRR ≈ 24.8%
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// Black Market (not a crafting location): 0% LPB → RRR = 0%
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const BASE_ROYAL_LPB = 18
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const SPECIALIZATION_BONUS = 15
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export const FOCUS_LPB = 59 // flat bonus added when using focus
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const ROYAL_CITIES = new Set<AlbionCity>([
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'Fort Sterling', 'Lymhurst', 'Bridgewatch', 'Martlock', 'Thetford', 'Caerleon',
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])
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// Each regex matches all output item IDs that receive the +15% specialization bonus
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// in that city, including artifact / avalon / crystal variants.
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const SPECIALIZATION_PATTERNS: Partial<Record<AlbionCity, RegExp>> = {
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'Fort Sterling': /_MAIN_HAMMER|_2H_HAMMER|_2H_POLEHAMMER|_2H_DUALHAMMER|_2H_RAM_|_MAIN_SPEAR|_2H_SPEAR|_2H_GLAIVE|_2H_HARPOON|_2H_TRIDENT|_HOLYSTAFF|_DIVINESTAFF|_HEAD_PLATE_|_ARMOR_CLOTH_/,
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'Lymhurst': /_MAIN_SWORD|_2H_CLAYMORE|_2H_DUALSWORD|_SCIMITAR|_2H_CLEAVER|_2H_BOW|_LONGBOW|_WARBOW|_ARCANESTAFF|_ENIGMATICSTAFF|_ENIGMATICORB|_ARCANE_RINGPAIR|_HEAD_LEATHER_|_SHOES_LEATHER_/,
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'Bridgewatch': /_CROSSBOW|_1HCROSSBOW|_DAGGER|_CLAWPAIR|_RAPIER|_DUALSICKLE|_CURSEDSTAFF|_DEMONICSTAFF|_SKULLORB|_ARMOR_PLATE_|_SHOES_CLOTH_/,
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'Martlock': /_MAIN_AXE|_2H_AXE|_2H_HALBERD|_2H_SCYTHE|_2H_DUALAXE|_QUARTERSTAFF|_IRONCLADEDSTAFF|_DOUBLEBLADEDSTAFF|_COMBATSTAFF|_TWINSCYTHE|_ROCKSTAFF|_FROSTSTAFF|_GLACIALSTAFF|_ICEGAUNTLETS|_ICECRYSTAL|_SHOES_PLATE_|_OFF_/,
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'Thetford': /_MAIN_MACE|_2H_MACE|_2H_FLAIL|_ROCKMACE|_2H_DUALMACE|_NATURESTAFF|_WILDSTAFF|_FIRESTAFF|_INFERNOSTAFF|_FIRE_RINGPAIR|_ARMOR_LEATHER_|_HEAD_CLOTH_/,
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'Caerleon': /_2H_KNUCKLES|_SHAPESHIFTER|_2H_TOOL_/,
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}
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// Returns the Local Production Bonus (%) for crafting this item in the given city.
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export function localProductionBonus(city: AlbionCity, outputItemId: string): number {
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if (!ROYAL_CITIES.has(city)) return 0 // Black Market: no bonus
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const pattern = SPECIALIZATION_PATTERNS[city]
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const baseId = outputItemId.replace(/@\d$/, '') // strip enchantment suffix
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const isSpecialized = pattern ? pattern.test(baseId) : false
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return BASE_ROYAL_LPB + (isSpecialized ? SPECIALIZATION_BONUS : 0)
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}
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// Converts a Local Production Bonus (%) to the resulting Resource Return Rate (%).
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// Formula: RRR = 1 - 1/(1 + LPB/100)
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export function rrrFromBonus(lpb: number): number {
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if (lpb === 0) return 0
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return (1 - 1 / (1 + lpb / 100)) * 100
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}
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// Returns the effective RRR (%) for crafting this item in the given city.
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export function cityRrr(city: AlbionCity, outputItemId: string): number {
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return rrrFromBonus(localProductionBonus(city, outputItemId))
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}
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// Returns true for ingredients that are NOT subject to RRR (artefacts, ALCHEMY_RARE).
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// Only basic resources (bars, planks, leather, cloth) are returned by the city bonus.
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export function isRrrExempt(itemId: string): boolean {
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return itemId.includes('_ARTEFACT_') || itemId.includes('_ALCHEMY_RARE_')
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}
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