ds4/src/module/item/item-data.ts

import { ModifiableData } from "../actor/actor-data";

export type DS4ItemDataType = DS4Weapon | DS4Armor | DS4Shield | DS4Trinket | DS4Equipment | DS4Talent;

// types

interface DS4Weapon extends DS4ItemBase, DS4ItemPhysical, DS4ItemEquipable {
    attackType: "melee" | "ranged" | "meleeRanged";
    weaponBonus: number;
    opponentDefense: number;
}

interface DS4Armor extends DS4ItemBase, DS4ItemPhysical, DS4ItemEquipable, DS4ItemProtective {
    armorMaterialType: "cloth" | "leather" | "chain" | "plate";
    armorType: "body" | "helmet" | "vambrace" | "greaves" | "vambraceGreaves";
}

export interface DS4Talent extends DS4ItemBase {
    rank: DS4TalentRank;
}

interface DS4TalentRank extends ModifiableData<number> {
    max: number;
}

interface DS4Shield extends DS4ItemBase, DS4ItemPhysical, DS4ItemEquipable, DS4ItemProtective {}
interface DS4Trinket extends DS4ItemBase, DS4ItemPhysical, DS4ItemEquipable {}
interface DS4Equipment extends DS4ItemBase, DS4ItemPhysical {}

// templates

interface DS4ItemBase {
    description: string;
}
interface DS4ItemPhysical {
    quantity: number;
    price: number;
    availability: "hamlet" | "village" | "city" | "elves" | "dwarves" | "nowhere" | "unset";
    storageLocation: string;
}

export function isDS4ItemDataTypePhysical(input: DS4ItemDataType): boolean {
    return "quantity" in input && "price" in input && "availability" in input && "storageLocation" in input;
}

interface DS4ItemEquipable {
    equipped: boolean;
}

interface DS4ItemProtective {
    armorValue: number;
}