66 lines
1.7 KiB
TypeScript
66 lines
1.7 KiB
TypeScript
import type { Conditions, Effect, Item, VesselProperties } from "./types.ts";
|
|
|
|
export default class Vessel<T extends VesselProperties> {
|
|
protected _conditions: Conditions<T>;
|
|
protected _properties: T;
|
|
protected _activeEffects: string[];
|
|
|
|
constructor(
|
|
properties: T,
|
|
conditions: Conditions<T>,
|
|
activeEffects: string[] = []
|
|
) {
|
|
this._conditions = conditions;
|
|
this._properties = properties;
|
|
this._activeEffects = activeEffects;
|
|
}
|
|
|
|
get activeEffects(): string[] {
|
|
return this._activeEffects;
|
|
}
|
|
|
|
description(items: Item[]): string | null {
|
|
if (items.length === 0) return null;
|
|
|
|
const vowels = ["a", "e", "i", "o", "u"];
|
|
const description = items
|
|
.map(({ name }, i) => {
|
|
let anItem = `${vowels.includes(name[0]) ? "an" : "a"} ${name}`;
|
|
|
|
// if we have more than one item, and this is the last item...
|
|
if (i > 1 && i + 1 === items.length) {
|
|
anItem = `and ${anItem}`;
|
|
}
|
|
|
|
return anItem;
|
|
})
|
|
.join(", ");
|
|
|
|
return description;
|
|
}
|
|
|
|
// Player effects should be applied first, then scene effects should be applied.
|
|
// This will mean that scene effects will take precedence over player effects.
|
|
applyEffects(
|
|
activePlayerEffects: string[],
|
|
activeSceneEffects: string[]
|
|
): T {
|
|
const activeEffects = [...activePlayerEffects, ...activeSceneEffects];
|
|
const map = this._conditions.effects.reduce(
|
|
(map: { [name: string]: Effect<T> }, effect: Effect<T>) => {
|
|
map[effect.name] = effect;
|
|
return map;
|
|
},
|
|
{}
|
|
);
|
|
const effects = activeEffects.map((e) => map[e]);
|
|
const appliedProperties = { ...this._properties };
|
|
|
|
for (const effect of effects) {
|
|
Object.assign(appliedProperties, effect.properties);
|
|
}
|
|
|
|
return appliedProperties;
|
|
}
|
|
}
|