D

DAO (data access object), using, 294–295

data

abstracting into hierarchies, 184–185

accessing with SQL, 286–289

compressing and decompressing during runtime, 182

flow upon read request (fig.), 116

flow when reading file in Java vs. native application (fig.), 144

packets, 196

profiling, 173–178

data access object (DAO), 294–295

data caching in game databases, 295–296

data types

OpenGL vs. JOGL (table), 396

Souce floating-point-based properties, 97–98

databases

described, 273

game. See game databases

normalization, 275–276

DatagramChannel, 133

DatagramListener interface, 215

DatagramSocket, 202

DatagramSocketHandler, 217, 218

DataInputStreams, DataOutputStreams, 122

dataless keys, 277

DataOutput interface, 126

DDLs and JNI, 319

debugging scripting languages, 308

demo, Java as scripting language, 313

depth-sorted transparency, 436

Descartes, Rene, 359

DESCRIBE command (SQL), 282

design, game. See game design

detecting collisions. See collision detection

deterministic AI, 49

developer tools, mobile game, 17

devices and AL Context API, 109

devirtualization, using, 164–165

dialog boxes, 419

direct buffer functions, JNI (Java Native Interface), 334–336

Direct Byte-Buffer functions, 322

Direct Input, 342

direct vs. nondirect buffers, 135

directed acyclic graph (DAG), 444

directional light, 3D graphics, 369

DirectSound, loading audio files, 90

DirectX, 338

DirextT DirectSound3D, 110

Discoverer interface, 215

discovery, and game networking process, 210–221

disks, transferring data to application, 116–118

display

color depth, 57

heads-up. See HUD

rending to, 63–70

2D overview, 54–58

display( ) method, 405

displaying and writing to screen, 40

DisplayManager construct, 40

DisplayMode class, 58

Distance Models (JOAL), 98

doorways, 455

Doppler shift

calculating, 91

tinkering with, 107–108

doRender( ) method, 68

double buffering and rendering, 64–65

download sites

JRMS, JSDT APIs, 199

MySQL, 279

using java.nio, 237

draw( ) method, 39–40

Drawable interface, 39

drawAll( ) method, 43

drawing, rendering process (fig.), 64

drivers, JDBC, 284–285

dummy method, 318

dumps, memory, 178

duplicating

data, 117–118

files and converting characters, 123

files in Java, 144–145

files with MappedByteBuffer, 142

dynamic link libraries (DDLs) and JNI, 319

dynamic objects, 471

dynamic port numbers, 232