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All LessonsFree Lessons (3)

Getting Started

Rust and Your Development Environment

Managing Projects with Cargo Creating Your First Rust Program Using Cargo to Build, Check, or Run our Project Finding Common Mistakes with Clippy Package Management with Cargo Quiz: Test Yourself on Rust Basics Exercise: Introduce Yourself Solution: Introduce Yourself

First Step With Rust

Introduction to First Step with Rust Capturing User Input Moving Input to a Function Rust's Built-in Functions Storing Strings in an Array Grouping Data with Structs Searching with Iterators using Structs Storing a Variable Amount of Data with Vectors Categorizing with Enumerations Quiz: Test Yourself on First Step with Rust Exercise: Making a Phone Book Solution: Making a Phone Book

Build Your First Game with Rust

Introduction to First Game with Rust Understanding the Game Loop Bracket-Lib and Bracket-Terminal Hello, Bracket Terminal!Creating Different Game Modes Managing the Player Adding the Player Creating Obstacles Keeping Score and Obstacle State Quiz: Test Yourself on Build Your First Game with Rust Exercise: Hello Game Loop Solution: Hello Game Loop

Build a Dungeon Crawler

Introduction to Build a Dungeon Crawler Design a Dungeon Crawler Game Dividing Code Into Modules Organizing Imports with a Prelude Storing the Dungeon Map Adding the Adventurer Building a Dungeon Graphics, Camera, Action Quiz: Test Yourself on Building a Dungeon Crawler Exercise: Make Cats Meow and Dogs Bark Solution: Make Cats Meow and Dogs Bark

Compose Dungeon Denizens

Introduction to Compose Dungeon Denizens

Understanding Terminology

Composing Entities

Installing and Using Legion

Composing the Player

Managing Complexity with Systems

Batched and Map Rendering System

Adding the Monsters

Collision Detection

Quiz: Test Yourself on Compose Dungeon Denizens

Exercise: Compose an Entity

Solution: Compose an Entity

Take Turns with the Monsters

Introduction to Take Turns with the Monsters Making Monsters Wander Randomly Moving Entities in a Turn-Based Game Sending Messages of Intent Quiz: Test Yourself on Taking Turns with the Monsters Exercise: Build a Calculator Solution: Build a Calculator

Health and Melee Combat

Introduction to Health and Melee Combat Making Entities Intelligent Adding a Heads-Up Display Managing Monsters Implementing Combat Waiting as a Strategy Quiz: Test Yourself on Health and Melee Combat Exercise: Formatting Text Solution: Formatting Text

Victory and Defeat

Introduction to Victory and Defeat Building a Smarter Monster Building a Map Implementing a Game-Over Screen Finding the Amulet of Yala Quiz: Test Yourself on Victory and Defeat Exercise: Implement a Trait Solution: Implement a Trait

Fields of View

Introduction to Fields of View Defining an Entity’s Field of View Preparing the Entities Field of View Limiting Monsters’ Fields-of-View Adding Spatial Memory Quiz: Test Yourself on Fields of View Exercise: Use a HashSet Solution: Use a HashSet

More Interesting Dungeons

Introduction to More Interesting Dungeons Creating Traits Converting the Room Builder Creating Cellular Automata Maps Calling Cellular Automata Maps Creating Drunkard’s Walk Maps Prefabricated Map Sections Quiz: Test Yourself on More Interesting Dungeons Exercise: Use Dynamic Traits Solution: Use Dynamic Traits

Map Themes

Introduction to Map Themes Theming Our Dungeon Rendering With Themes Quiz: Test Yourself on Map Themes Exercise: Create a Trait Solution: Create a Trait

Inventory and Power Ups

Introduction to Inventory and Power-ups Designing Items Managing Inventory Adding Power After Receiving Inventory Quiz: Test Yourself on Inventory and Power Ups Exercise: Pattern Matching with If Let Solution: Pattern Matching with If Let

Deeper Dungeons

Introduction to Deeper Dungeons Adding Stairs to the Map Tracking Game Level Displaying the Current Level on the HUD Quiz: Test Yourself on Deeper Dungeons Exercise: Sorting and Iterating Solution: Sorting and Iterating

Combat Systems and Loot

Introduction to Combat Systems and Loot Designing Data-Driven Dungeons Data-driven Spawning Extending the Combat System Quiz: Test Yourself on Combat Systems and Loot Exercise: Reading a TOML File Solution: Reading a TOML File

Conclusion

Appendix

Installing Rust Installing and Configuring Our Development Environment ASCII/Codepage 437 Chart Short Game Design Documents Rust Cheat Sheet

Hands-On Game Development with Rust/

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Adding the Monsters

Adding the Monsters

Learn how to add monsters.

We'll cover the following...

Add monsters to the map
The completed program

Monsters have a lot in common with the adventurer; they have a position and render information. However, they aren’t keyboard-controlled, and they shouldn’t have a Player tag. Instead, monsters need an Enemy tag component. Let’s add an Enemy tag component. Adding an Enemy tag in components.rs:

Press + to interact

#[derive(Clone, Copy, Debug, PartialEq)]
pub struct Enemy;

An empty structure is all that’s required for a tag class. We still need a way to spawn monsters. Add aspawn_monster() ...