Centralized array random pick. Made duck miss ratio configurable. Different response for missing Duck befriend and bang.

config/default.js

@@ -44,6 +44,7 @@ module.exports = {
 	duck: {
 		interval: [10, 3600], // seconds
 		duck: ':duck:',
+		missRatio: 0.25,
 	},
 	letters: {
 		length: 9,

src/games/duck.js

@@ -3,6 +3,7 @@
 const config = require('config');
 
 const style = require('../utils/style');
+const pickRandom = require('../utils/pick-random');
 
 const ducks = new Map();
 let shots = new Map();
@@ -31,17 +32,35 @@ function launchDuck(context) {
 function onCommand(args, context) {
 	const duck = ducks.get(context.room.id);
 
-	if (!duck) {
-		context.sendMessage(`There is no duck, what are you shooting at, ${config.usernamePrefix}${context.user.username}?!`, context.room.id);
+	if (!duck && context.command === 'bang') {
+		const message = pickRandom([
+			`There is no duck, what are you shooting at, ${context.user.prefixedUsername}?!`,
+			`You're wasting bullets, ${context.user.prefixedUsername}, there is no duck!`,
+			`The only quack is you, ${context.user.prefixedUsername}...`,
+		]);
+
+		context.sendMessage(message, context.room.id);
+
 		return;
 	}
 
-	const hit = Math.random() > 0.3;
+	if (!duck && ['befriend', 'bef'].includes(context.command)) {
+		const message = pickRandom([
+			`You're trying to befriend a non-existent duck, ${context.user.prefixedUsername}...`,
+			`There aren't any ducks to befriend, ${context.user.prefixedUsername}...`,
+			`That's no duck, ${context.user.prefixedUsername}  ✈️`,
+		]);
+
+		context.sendMessage(message, context.room.id);
+		return;
+	}
+
+	const hit = Math.random() > config.duck.missRatio;
 	const time = ((new Date().getTime() - duck.getTime()) / 1000).toFixed(3);
 
 	if (context.command === 'bang') {
 		if (hit) {
-			context.sendMessage(`You shot a duck in ${style.bold(`${time} seconds`)}, ${config.usernamePrefix}${context.user.username}`, context.room.id);
+			context.sendMessage(`You shot a duck in ${style.bold(`${time} seconds`)}, ${context.user.prefixedUsername}`, context.room.id);
 			launchDuck(context);
 
 			context.setPoints(context.user, 1, { key: 'bang' });
@@ -49,22 +68,22 @@ function onCommand(args, context) {
 			return;
 		}
 
-		const messages = [
-			`How could you miss ${style.italic('that')}, ${config.usernamePrefix}${context.user.username}...?!`,
-			`That's a miss! Better luck next time, ${config.usernamePrefix}${context.user.username}.`,
-			`The duck outsmarted you, ${config.usernamePrefix}${context.user.username}`,
-			`Channeling Gareth Southgate, ${config.usernamePrefix}${context.user.username}? You missed!`,
-		];
+		const message = pickRandom([
+			`How could you miss ${style.italic('that')}, ${context.user.prefixedUsername}...?!`,
+			`That's a miss! Better luck next time, ${context.user.prefixedUsername}.`,
+			`The duck outsmarted you, ${context.user.prefixedUsername}`,
+			`Channeling Gareth Southgate, ${context.user.prefixedUsername}? You missed!`,
+		]);
 
 		shots.set(context.user.id, new Date());
-		context.sendMessage(messages[Math.floor(Math.random() * messages.length)], context.room.id);
+		context.sendMessage(message, context.room.id);
 
 		return;
 	}
 
 	if (['bef', 'befriend'].includes(context.command)) {
 		if (hit) {
-			context.sendMessage(`You befriended a duck in ${style.bold(`${time} seconds`)}, ${config.usernamePrefix}${context.user.username}`, context.room.id);
+			context.sendMessage(`You befriended a duck in ${style.bold(`${time} seconds`)}, ${context.user.prefixedUsername}`, context.room.id);
 			launchDuck(context);
 
 			context.setPoints(context.user, 1, { key: 'befriend' });
@@ -72,14 +91,14 @@ function onCommand(args, context) {
 			return;
 		}
 
-		const messages = [
-			`The duck does not want to be your friend right now, ${config.usernamePrefix}${context.user.username}`,
-			`The duck would like some time for itself, ${config.usernamePrefix}${context.user.username}`,
-			`The duck isn't in the mood right now, ${config.usernamePrefix}${context.user.username}`,
-		];
+		const message = pickRandom([
+			`The duck does not want to be your friend right now, ${context.user.prefixedUsername}`,
+			`The duck would like some time for itself, ${context.user.prefixedUsername}`,
+			`The duck isn't in the mood right now, ${context.user.prefixedUsername}`,
+		]);
 
 		shots.set(context.user.id, new Date());
-		context.sendMessage(messages[Math.floor(Math.random() * messages.length)], context.room.id);
+		context.sendMessage(message, context.room.id);
 	}
 }
 

src/games/letters.js

@@ -3,10 +3,10 @@
 const config = require('config');
 const timers = require('timers/promises');
 
-const crypto = require('crypto');
 const style = require('../utils/style');
 const getLeaders = require('../utils/get-leaders');
 const getWordKey = require('../utils/get-word-key');
+const pickRandom = require('../utils/pick-random');
 const words = require('../../assets/mash-words.json');
 
 const availableLetters = {
@@ -106,10 +106,10 @@ function pickLetters(type, context) {
 	}
 
 	if (type === 'consonant' || type === 'vowel') {
-		game.word = `${game.word}${availableLetters[type][crypto.randomInt(0, availableLetters[type].length)]}`;
+		game.word = `${game.word}${pickRandom(availableLetters[type])}`;
 	} else {
 		type.toLowerCase().slice(0, config.letters.length - game.word.length).split('').forEach((typeKey) => {
-			game.word = `${game.word}${availableLetters[types[typeKey]][crypto.randomInt(0, availableLetters[types[typeKey]].length)]}`;
+			game.word = `${game.word}${pickRandom(availableLetters[types[typeKey]])}`;
 		});
 	}
 

src/play.js

@@ -138,11 +138,19 @@ function getMessageUser(message, bot) {
 		return {
 			username: message.from,
 			id: message.from,
+			prefixedUsername: `${config.usernamePrefix}${message.from}`,
 		};
 	}
 
 	if (config.platform === 'schat') {
-		return bot.users[message.userId] || message.user;
+		const user = bot.users[message.userId] || message.user;
+
+		if (user) {
+			return {
+				...user,
+				prefixedUsername: `${config.usernamePrefix}${user.username}`,
+			};
+		}
 	}
 
 	return null;