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23 lines
783 B
23 lines
783 B
import 'package:flame/components.dart';
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import 'package:flame_bloc/flame_bloc.dart';
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import 'package:pinball/game/game.dart';
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import 'package:pinball_components/pinball_components.dart';
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import 'package:pinball_flame/pinball_flame.dart';
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/// Toggle each [Multiplier] when GameState.multiplier changes.
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class MultipliersBehavior extends Component
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with ParentIsA<Multipliers>, FlameBlocListenable<GameBloc, GameState> {
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@override
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bool listenWhen(GameState? previousState, GameState newState) {
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return previousState?.multiplier != newState.multiplier;
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}
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@override
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void onNewState(GameState state) {
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final multipliers = parent.children.whereType<Multiplier>();
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for (final multiplier in multipliers) {
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multiplier.bloc.next(state.multiplier);
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}
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}
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}
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