index.js

const BAMARAMA_BOX = 80086,
	ROOT_BEER = 80081,
	TRASH = {
		"beer": 80078,
		"wine": 80079,
		"moongourd": 80082,
		"afro": 80089,
		"chefHat": 80090
	},
	HATS = [TRASH.afro, TRASH.chefHat],
	ITEMS = [ROOT_BEER, ...Object.values(TRASH)];

module.exports = function RootBeer(mod) {
	mod.game.initialize("inventory");

	let hooks = [],
		enabled = false,
		timer = null,
		myLoc = null,
		statTotal = 0,
		statRootBeers = 0;

	mod.command.add("rootbeer", () => { (!enabled ? start : stop)(); });

	hook("S_SPAWN_ME", 3, event => { myLoc = event; });
	hook("C_PLAYER_LOCATION", 5, event => { myLoc = event; });

	function start() {
		if (enabled) return;

		if (mod.game.inventory.findAll(BAMARAMA_BOX).length === 0) {
			mod.command.message("You do not have any Bamarama Boxes. Stopping...");
			return;
		}

		enabled = true;

		// Toggle hook in case we're still cleaning up from previous run
		mod.game.inventory.off("update", inventoryUpdate).on("update", inventoryUpdate);

		hook("S_SYSTEM_MESSAGE_LOOT_ITEM", 1, event => {
			if (ITEMS.includes(event.item)) {
				mod.clearTimeout(timer);

				statTotal++;
				if (event.item === ROOT_BEER) statRootBeers++;

				openBox();
			}
		});

		hook("C_RETURN_TO_LOBBY", "raw", () => false); // Prevents you from being automatically logged out while AFK

		openBox();
		mod.command.message("Auto-Rootbeer started.");
	}

	function openBox() {
		mod.send("C_USE_ITEM", 3, {
			"gameId": mod.game.me.gameId,
			"id": BAMARAMA_BOX,
			"amount": 1,
			"loc": myLoc.loc,
			"w": myLoc.w,
			"unk4": true
		});
		timer = mod.setTimeout(openBox, 5000);
	}

	function inventoryUpdate() {
		if (mod.settings.autoTrash) {
			const strictTrash = mod.game.inventory.size - mod.game.inventory.items.length < 2 || !enabled;

			for (const [name, id] of Object.entries(TRASH)) {
				if (mod.settings.autoTrashItems[name]) {
					for (const item of mod.game.inventory.findAll(id)) {
						// Trashing large stacks of items is more bandwidth efficient
						if (item.amount >= 99 || HATS.includes(id) || strictTrash) {
							deleteItem(item);
						}
					}
				}
			}
		}

		mergeHats();

		if (!enabled) {
			mod.game.inventory.off("update", inventoryUpdate); // Unhook after we've cleaned up
		} else if (mod.game.inventory.findAll(BAMARAMA_BOX).length === 0) {
			stop();
		}
	}

	function stop() {
		if (!enabled) return;

		enabled = false;
		mod.clearTimeout(timer);
		timer = null;
		unload();

		mod.command.message(`Auto-Rootbeer stopped.${
			!statTotal ? "" : `Unboxed ${statRootBeers}/${statTotal} (${(Math.floor(statRootBeers / statTotal * 1000) / 10) || "0"}%).`}`);

		statTotal = statRootBeers = 0;
	}

	function mergeHats() {
		for (const hat of HATS.map(id => mod.game.inventory.findAll(id))) {
			while (hat.length >= 2) {
				mergeItem(hat.pop(), hat[0]);
			}
		}
	}

	function mergeItem(itemFrom, itemTo) {
		mod.send("C_MERGE_ITEM", 2, {
			"pocketFrom": itemFrom.pocket,
			"slotFrom": itemFrom.slot,
			"pocketTo": itemTo.pocket,
			"slotTo": itemTo.slot
		});
	}

	function deleteItem(item) {
		mod.send("C_DEL_ITEM", 3, {
			"gameId": mod.game.me.gameId,
			"pocket": item.pocket,
			"slot": item.slot,
			"amount": item.amount
		});
	}

	function hook() {
		hooks.push(mod.hook(...arguments));
	}

	function unload() {
		if (hooks.length) {
			for (const h of hooks) {
				mod.unhook(h);
			}
			hooks = [];
		}
	}
};