Method register

packages/melonjs/src/system/legacy_pool.js:78–102

* Register an object to the pool. * Pooling must be set to true if more than one such objects will be created. * (Note: for an object to be poolable, it must implement an `onResetEvent` method) * Registered classes are also automatically available as Tiled object factories,

(className, classObj, recycling = false)

	 * me.pool.register("cherrysprite", Cherry, true);
	 */
	register(className, classObj, recycling = false) {
		if (typeof classObj !== "undefined") {
			const entry = {
				class: classObj,
				pool: recycling ? [] : undefined,
			};
			this.objectClass[className] = entry;
			// also register with "me." prefix for backward compatibility
			if (!className.startsWith("me.")) {
				this.objectClass["me." + className] = entry;
			}
			// also register as a Tiled object factory
			if (this.autoRegisterTiled && typeof onRegisterCallback === "function") {
				onRegisterCallback(className, classObj, this);
				// also register with "me." prefix for backward compatibility
				if (!className.startsWith("me.")) {
					onRegisterCallback("me." + className, classObj, this);
				}
			}
		} else {
			throw new Error(
				"Cannot register object '" + className + "', invalid class",
			);
		}
	}

	/**
	 * Pull a new instance of the requested object (if added into the object pool)