56 lines
1.7 KiB
TypeScript
56 lines
1.7 KiB
TypeScript
/**
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* Scene.ts contains the Scene class. It represents the state of the current scene.
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*/
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import { StoryScene, Item, SceneProperties } from "./types.ts";
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import Vessel from "./Vessel.ts";
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// The Scene is a type of "Vessel" which is a generic object that can have effects
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// and items.
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export default class Scene extends Vessel<SceneProperties> {
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constructor(gameData: StoryScene<SceneProperties>) {
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// TODO: [] is a placeholder for scene effects.
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super(gameData.properties, gameData.conditions);
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}
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// look returns a string that describes the scene and the items in it
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look(activePlayerEffects: string[], activeSceneEffects: string[]): string {
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// the properties of the scene after effects have been examined an applied
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const properties = this.applyEffects(
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activePlayerEffects,
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activeSceneEffects
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);
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// description of the items in the scene
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const itemsDescription = super.description(properties.items || []);
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const { description } = properties; // description of the room
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// will be a string that includes both the room and item descriptions
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let fullDescription = description || "Nothing to see here...";
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// if there is a description of the items...
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if (itemsDescription) {
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fullDescription += `\n\nThere is ${itemsDescription}`;
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}
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return fullDescription;
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}
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// get removes an items from the scene and returns it
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get(target: string): Item | null {
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const { items = [] } = this._properties;
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const idx = items.findIndex(({ name }) => name === target);
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// if we found an index for the given item
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if (idx >= 0) {
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const item = items[idx];
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items.splice(idx, 1);
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return item;
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}
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// if an item wasn't found and returned, return null
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return null;
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}
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}
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