ziggurat 0.3.0

A library for making audio games. This package started out as a way to create 2d maps for use in games, but has since grown to include tools and methods for making audio games with and without maps.

example/ziggurat_example.dart

/// A quick example.
import 'package:dart_sdl/dart_sdl.dart'
    show Sdl, ScanCode, GameControllerButton;
import 'package:ziggurat/ziggurat.dart';

const quitCommandName = 'quit';
const upCommandName = 'up';
const downCommandName = 'down';
const activateCommandName = 'activate';
const cancelCommandName = 'cancel';
const leftCommandName = 'left';
const rightCommandName = 'right';

/// A level with some commands registered.
class ExcitingLevel extends Level {
  /// Create the level.
  ExcitingLevel(Game game)
      : coordinate = 0,
        super(game) {
    registerCommand(quitCommandName, Command(onStart: game.popLevel));
    registerCommand(
        leftCommandName,
        Command(
            onStart: () {
              coordinate--;
              output('Left: $coordinate');
            },
            interval: 500));
    registerCommand(
        rightCommandName,
        Command(
            onStart: () {
              coordinate++;
              output('Right: $coordinate');
            },
            interval: 500));
  }

  /// The x/y coordinate.
  int coordinate;

  /// Output some text.
  void output(String text) {
    final message = Message(text: text);
    game.outputMessage(message);
  }
}

/// The main menu.
class MainMenu extends Menu {
  /// Create the menu.
  MainMenu(Game game)
      : super(game: game, title: Message(text: 'Main Menu'), items: [
          MenuItem(Message(text: 'Play'), Button(() {
            game.pushLevel(ExcitingLevel(game));
          })),
          MenuItem(Message(text: 'Quit'), Button(() {
            game.stop();
          }))
        ]) {
    registerCommand(upCommandName, Command(onStart: up));
    registerCommand(downCommandName, Command(onStart: down));
  }
}

void main() {
  final sdl = Sdl()..init();
  final game = Game('Ziggurat Example');
  game.triggerMap
    ..registerCommand(
        name: quitCommandName,
        trigger: CommandTrigger(
            keyboardKey: CommandKeyboardKey(ScanCode.SCANCODE_Q),
            button: GameControllerButton.leftShoulder))
    ..registerCommand(
        name: leftCommandName,
        trigger: CommandTrigger(
            keyboardKey: CommandKeyboardKey(ScanCode.SCANCODE_LEFT),
            button: GameControllerButton.dpadLeft))
    ..registerCommand(
        name: rightCommandName,
        trigger: CommandTrigger(
            keyboardKey: CommandKeyboardKey(ScanCode.SCANCODE_RIGHT),
            button: GameControllerButton.dpadRight))
    ..registerCommand(
        name: upCommandName,
        trigger: CommandTrigger(
            keyboardKey: CommandKeyboardKey(ScanCode.SCANCODE_UP),
            button: GameControllerButton.dpadUp))
    ..registerCommand(
        name: downCommandName,
        trigger: CommandTrigger(
            keyboardKey: CommandKeyboardKey(ScanCode.SCANCODE_DOWN),
            button: GameControllerButton.dpadDown))
    ..registerCommand(
        name: activateCommandName,
        trigger: CommandTrigger(
            keyboardKey: CommandKeyboardKey(ScanCode.SCANCODE_RETURN),
            button: GameControllerButton.dpadRight))
    ..registerCommand(
        name: quitCommandName,
        trigger: CommandTrigger(
            keyboardKey: CommandKeyboardKey(ScanCode.SCANCODE_ESCAPE),
            button: GameControllerButton.dpadLeft));
  final level = MainMenu(game)
    ..registerCommands(
        activateCommandName: activateCommandName,
        cancelCommandName: cancelCommandName,
        downCommandName: downCommandName,
        upCommandName: upCommandName);
  game
    ..pushLevel(level)
    ..run(sdl);
}