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40 lines
1.4 KiB
40 lines
1.4 KiB
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/select_character/select_character.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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/// Spawns a new [Ball] into the game when all balls are lost and still
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/// [GameStatus.playing].
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class BallSpawningBehavior extends Component
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with FlameBlocListenable<GameBloc, GameState>, HasGameRef {
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@override
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bool listenWhen(GameState? previousState, GameState newState) {
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if (!newState.status.isPlaying) return false;
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final startedGame = previousState?.status.isWaiting ?? true;
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final lostRound =
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(previousState?.rounds ?? newState.rounds + 1) > newState.rounds;
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return startedGame || lostRound;
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}
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@override
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void onNewState(GameState state) {
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final plunger = gameRef.descendants().whereType<Plunger>().single;
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final canvas = gameRef.descendants().whereType<ZCanvasComponent>().single;
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final characterTheme = readBloc<CharacterThemeCubit, CharacterThemeState>()
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.state
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.characterTheme;
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final ball = Ball(assetPath: characterTheme.ball.keyName)
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..initialPosition = Vector2(
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plunger.body.position.x,
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plunger.body.position.y - Ball.size.y,
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)
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..layer = Layer.launcher
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..zIndex = ZIndexes.ballOnLaunchRamp;
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canvas.add(ball);
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}
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}
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