Beginning ios 3D Unreal

Transcription

1 Beginning ios 3D Unreal Games Development ' Robert Chin/ Apress*

2 Contents Contents at a Glance About the Author About the Technical Reviewers Acknowledgments Introduction iii ix x xi xii Chapter 1: UDK Overview 1 Getting Started 1 Unreal Editor Overview 1 The Generic Browser 2 Actor Classes Tab 3 The Content Browser and UDK Assets 5 Importing New Content 6 Searching for UDK Assets 6 UDK Texture Assets 8 UDK Material Assets 9 UDK Mesh Assets 10 UDK Particle System Assets 13 UDK Sound Cue Assets 14 I0S Specific UDK Information 16 Saving Data on an ios Device 16 Textures on an ios Device 17 Player Input Controls on an ios Device 17 PC to ios Setup 22 ios Requirements 22 Apple Developer's License 23 Provisioning 23 Running the UDK Game on the ios Device 23 Configuring Custom Game Types 27 Summary 28 M Chapter 2: UnrealScript Overview 29 Kismet or UnrealScript? 29 Overview of UnrealScript 32 Iv

3 UnrealScript Comments 34 UnrealScript Variables 34 Operators 38 Code Execution Row Control Statements 39 Class Declarations 41 Functions 41 States 42 Debug Messages 43 Creating and Compiling UnrealScript 43 Hands-On Example: Selecting an Object with Touch.45 Creating the Game Type 46 Creating the Player Controller 47 Settting up the Game Type Configuration 49 Running the Game Type 50 Summary 51 Chapter 3: Player Controllers, Pawns, and Weapons 53 Player Controller and Pawn Overview 53 Hands-on Example: Making your pawn visible with a 3D skeletal mesh character 55 Creating the Default First-Person View 55 Adding a Skeletal Mesh to represent your pawn 58 UDK Camera Overview 59 Hands-on Example: Changing the view of your pawn 60 UDK Weapons Overview 63 Inventory Manager 63 Weapon Types 63 Weapon States 64 Weapon Selection 66 Weapon Firing 67 Hands-on Example: Adding a weapon to your pawn 68 Creating the Weapon 68 Creating the Bullets for the Weapon 70 Creating the Custom Inventory Manager 71 Adding to the Player Controller 74 Hands-On Example: Adding a weapon to your first-person view 76 Creating the Weapon 76 Creating the Projectile for the Weapon 77 Creating the Pawn 77 Creating the Player Controller 78 Creating a New Game Type 80 Setting up your new Game Type 80 Running the new Game Type 81 Summary 82 Chapter 4: UDK Collisions 83 Collision Meshes 83 Collision Objects 86 KActor and KAsset Overview 86 Hands-on Example: Creating a KActor and applying a force to it 88

4 Hands-On Example: Creating a KAsset and applying a force to it 100 Physics Constraints 110 Physics Constraints Overview 110 Hands-On Example: Creating physics constraints with the Unreal Editor 113 Collisions 121 Collision Overview 121 Hands-on Example: Creating a Collision Object and Putting It in a Level 123 Hands-On Example: Making an exploding wall of blocks 132 Summary 135 HChapter 5:UDK Bots 137 UDK Bot Overview 137 Bot Related Classes '. 138 Key Bot Related Functions 138 Possession 139 Path Finding 140 Path Nodes 140 Navigation Mesh 141 Hands-On Example: Creating a bot and having it follow you using Path Nodes 142 Hands-On Example: Creating a bot and having it follow you using a Navigation Mesh 154 Hands-On Example: Moving a Bot to a point in the world specified by the Player 161 Hands-On Example: Equipping your bot with a weapon and Taking Damage 166 Summary 174 IIChapter 6: Environment: Sounds, Kismet, and HUD 175 UDK Sound Cues 175 Overview of the UDK Sound Cue Editor Adding Sound Cues Using the Unreal Editor ' 180 Adding Sound Cues Dynamically using UnrealScript 181 Adding Sound Cues Using Kismet 181 Hands-On Example: Adding Sound Cues to a Weapon 182 Kismet, Matinee and Moving Objects 185 Hands-On Example: Using Kismet to create a Moving Platform 185 Hands-on Example: Using Kismet to create Locked Gates 193 UDK Heads Up Display 199 Overview of the HUD 200 Hands-on Example: Adding a Basic Heads Up Display 201 Summary 204 HChapter 7: Sample Game and GamePlay 205 Gameplay Overview 205 Game Difficulty 205 Game Balance 206 Basic GamePlay 207 Hands-On Example: Creating a Basic Game Framework 207 Summary 225 Chapter 8:3D Math Review 227 Vectors 227 Vector Magnitude 229 Rotator to Vector Conversion 230

5 Normalizing Vectors 231 Vector Addition 231 Scalar Multiplication 232 Unit Circle 234 Right Triangle 235 Dot Product 236 Cross Product 237 Cover Nodes 238 Cover Node Overview 238 Hands-on Example: Cover Nodes 239 In-Depth Example Explanations 257 Third-Person Camera Positioning 257 Deriving a Direction Vector for Kicking an Object 258 Summary 260 H Chapter 9: Physics Game Framework 261 Physics Game Framework Overview 261 General Overview 262 Specific Overview 262 Hands-on Example: A Basic Physics Game 263 Creating the Game Type 263 Creating the Player Controller 265 Creating the Game Ball 272 Creating the HUD 274 Creating the RigidBodyCubeEx Object 276 Configuring the Game Type 277 Creating the Level 277 Running the Game 280 Summary 281 Chapter 10: First-Person Shooter Game Framework 283 Game Framework Overview, 283 General Overview 284 Specific Overview 284 Hands-On Example: First-Person Shooter Game Framework 285 Creating the Game Type 285 Creating the Player-Related Classes 287 Creating the Enemy Bot Related Classes 295 Creating the HUD 310 Creating the Bonus 312 Configuring the Game Type 313 Creating the Level 314 Running the Game 316 Summary 318 Chapter 11: Third-Person Shooter/Adventure Game Framework 319 Game Framework Overview 320 General Overview 320 Specific Overview 321 Hands-on Example: Third-Person Shooter/Adventure Game Framework 321

6 Creating the Game Type 321 Creating the Player Controller 322 Creating the Bot Ally Controller 330 Creating the BotMarker 336 Creating the Enemy Guard Bot Controller 337 Creating Enemy Guard Bot Pawn 342 Creating the Heads Up Display 342 Creating the Power Generator 345 Configuring the Game Type 346 Creating the Level 347 Running the Game 348 Summary '. 350 Chapter 12: Top-Down Shooter/RPG Game Framework 351 Game Framework Overview 352 General Framework Overview 352 Specific Framework Overview 352 Hands-On Example: Creating a Top-Down Shooter / Role-Playing Game Framework 353 Creating the Game Type 354 Creating the Player Controller 354 Creating the Player Pawn 359 Creating the Ally Bot Pawn 361 Creating the Enemy Bot Pawn 361 Creating the Character Information Class 362 Creating the Save Marker 363 Creating the Load Marker 364 Creating the HUD Configuring the Game Type 367 Creating the Level 368 Running the Game 369 Summary 371 Index 373