mirror of https://github.com/flutter/pinball.git
Alejandro Santiago
3 years ago
committed by
GitHub
commit
60485d27ca
@ -1,3 +1,4 @@
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export 'ball_spawning_behavior.dart';
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export 'bumper_noisy_behavior.dart';
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export 'camera_focusing_behavior.dart';
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export 'scoring_behavior.dart';
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@ -0,0 +1,84 @@
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import 'package:flame/components.dart';
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import 'package:flame/game.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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/// {@template focus_data}
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/// Defines a [Camera] focus point.
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/// {@endtemplate}
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class FocusData {
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/// {@template focus_data}
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FocusData({
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required this.zoom,
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required this.position,
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});
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/// The amount of zoom.
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final double zoom;
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/// The position of the camera.
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final Vector2 position;
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}
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/// Changes the game focus when the [GameBloc] status changes.
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class CameraFocusingBehavior extends Component
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with ParentIsA<FlameGame>, BlocComponent<GameBloc, GameState> {
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late final Map<String, FocusData> _foci;
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@override
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bool listenWhen(GameState? previousState, GameState newState) {
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return previousState?.status != newState.status;
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}
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@override
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void onNewState(GameState state) {
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switch (state.status) {
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case GameStatus.waiting:
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break;
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case GameStatus.playing:
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_zoom(_foci['game']!);
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break;
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case GameStatus.gameOver:
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_zoom(_foci['backbox']!);
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break;
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}
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}
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@override
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Future<void> onLoad() async {
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await super.onLoad();
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_foci = {
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'game': FocusData(
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zoom: parent.size.y / 16,
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position: Vector2(0, -7.8),
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),
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'waiting': FocusData(
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zoom: parent.size.y / 18,
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position: Vector2(0, -112),
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),
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'backbox': FocusData(
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zoom: parent.size.y / 10,
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position: Vector2(0, -111),
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),
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};
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_snap(_foci['waiting']!);
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}
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void _snap(FocusData data) {
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parent.camera
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..speed = 100
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..followVector2(data.position)
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..zoom = data.zoom;
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}
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void _zoom(FocusData data) {
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final zoom = CameraZoom(value: data.zoom);
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zoom.completed.then((_) {
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parent.camera.moveTo(data.position);
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});
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add(zoom);
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}
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}
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@ -1,93 +0,0 @@
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import 'package:flame/components.dart';
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import 'package:flame/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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/// Adds helpers methods to Flame's [Camera].
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extension CameraX on Camera {
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/// Instantly apply the point of focus to the [Camera].
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void snapToFocus(FocusData data) {
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followVector2(data.position);
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zoom = data.zoom;
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}
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/// Returns a [CameraZoom] that can be added to a [FlameGame].
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CameraZoom focusToCameraZoom(FocusData data) {
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final zoom = CameraZoom(value: data.zoom);
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zoom.completed.then((_) {
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moveTo(data.position);
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});
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return zoom;
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}
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}
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/// {@template focus_data}
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/// Model class that defines a focus point of the camera.
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/// {@endtemplate}
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class FocusData {
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/// {@template focus_data}
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FocusData({
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required this.zoom,
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required this.position,
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});
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/// The amount of zoom.
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final double zoom;
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/// The position of the camera.
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final Vector2 position;
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}
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/// {@template camera_controller}
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/// A [Component] that controls its game camera focus.
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/// {@endtemplate}
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class CameraController extends ComponentController<FlameGame> {
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/// {@macro camera_controller}
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CameraController(FlameGame component) : super(component) {
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final gameZoom = component.size.y / 16;
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final waitingBackboxZoom = component.size.y / 18;
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final gameOverBackboxZoom = component.size.y / 10;
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gameFocus = FocusData(
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zoom: gameZoom,
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position: Vector2(0, -7.8),
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);
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waitingBackboxFocus = FocusData(
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zoom: waitingBackboxZoom,
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position: Vector2(0, -112),
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);
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gameOverBackboxFocus = FocusData(
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zoom: gameOverBackboxZoom,
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position: Vector2(0, -111),
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);
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// Game starts with the camera focused on the [Backbox].
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component.camera
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..speed = 100
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..snapToFocus(waitingBackboxFocus);
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}
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/// Holds the data for the game focus point.
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late final FocusData gameFocus;
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/// Holds the data for the waiting backbox focus point.
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late final FocusData waitingBackboxFocus;
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/// Holds the data for the game over backbox focus point.
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late final FocusData gameOverBackboxFocus;
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/// Move the camera focus to the game board.
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void focusOnGame() {
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component.add(component.camera.focusToCameraZoom(gameFocus));
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}
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/// Move the camera focus to the waiting backbox.
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void focusOnWaitingBackbox() {
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component.add(component.camera.focusToCameraZoom(waitingBackboxFocus));
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}
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/// Move the camera focus to the game over backbox.
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void focusOnGameOverBackbox() {
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component.add(component.camera.focusToCameraZoom(gameOverBackboxFocus));
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}
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}
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Binary file not shown.
@ -0,0 +1,126 @@
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// ignore_for_file: cascade_invocations
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import 'package:flame_test/flame_test.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:pinball/game/behaviors/camera_focusing_behavior.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 '../../helpers/helpers.dart';
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void main() {
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TestWidgetsFlutterBinding.ensureInitialized();
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group(
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'CameraFocusingBehavior',
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() {
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final flameTester = FlameTester(
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EmptyPinballTestGame.new,
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);
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test('can be instantiated', () {
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expect(
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CameraFocusingBehavior(),
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isA<CameraFocusingBehavior>(),
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);
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});
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flameTester.test('loads', (game) async {
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final behavior = CameraFocusingBehavior();
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await game.ensureAdd(behavior);
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expect(game.contains(behavior), isTrue);
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});
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flameTester.test(
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'changes focus when loaded',
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(game) async {
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final behavior = CameraFocusingBehavior();
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final previousZoom = game.camera.zoom;
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expect(game.camera.follow, isNull);
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await game.ensureAdd(behavior);
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expect(game.camera.follow, isNotNull);
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expect(game.camera.zoom, isNot(equals(previousZoom)));
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},
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);
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flameTester.test(
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'listenWhen only listens when status changes',
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(game) async {
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final behavior = CameraFocusingBehavior();
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const waiting = GameState.initial();
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final playing =
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const GameState.initial().copyWith(status: GameStatus.playing);
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final gameOver =
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const GameState.initial().copyWith(status: GameStatus.gameOver);
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expect(behavior.listenWhen(waiting, waiting), isFalse);
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expect(behavior.listenWhen(waiting, playing), isTrue);
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expect(behavior.listenWhen(waiting, gameOver), isTrue);
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expect(behavior.listenWhen(playing, playing), isFalse);
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expect(behavior.listenWhen(playing, waiting), isTrue);
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expect(behavior.listenWhen(playing, gameOver), isTrue);
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expect(behavior.listenWhen(gameOver, gameOver), isFalse);
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expect(behavior.listenWhen(gameOver, waiting), isTrue);
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expect(behavior.listenWhen(gameOver, playing), isTrue);
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},
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);
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group('onNewState', () {
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flameTester.test(
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'zooms when started playing',
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(game) async {
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final playing =
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const GameState.initial().copyWith(status: GameStatus.playing);
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final behavior = CameraFocusingBehavior();
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await game.ensureAdd(behavior);
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behavior.onNewState(playing);
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final previousPosition = game.camera.position.clone();
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await game.ready();
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final zoom = behavior.children.whereType<CameraZoom>().single;
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game.update(zoom.controller.duration!);
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game.update(0);
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expect(zoom.controller.completed, isTrue);
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expect(
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game.camera.position,
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isNot(equals(previousPosition)),
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);
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},
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);
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flameTester.test(
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'zooms when game is over',
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(game) async {
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final playing = const GameState.initial().copyWith(
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status: GameStatus.gameOver,
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);
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final behavior = CameraFocusingBehavior();
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await game.ensureAdd(behavior);
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behavior.onNewState(playing);
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final previousPosition = game.camera.position.clone();
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await game.ready();
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final zoom = behavior.children.whereType<CameraZoom>().single;
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game.update(zoom.controller.duration!);
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game.update(0);
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expect(zoom.controller.completed, isTrue);
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expect(
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game.camera.position,
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isNot(equals(previousPosition)),
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);
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},
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);
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});
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},
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);
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}
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@ -1,113 +0,0 @@
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// ignore_for_file: cascade_invocations
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import 'package:flame/game.dart';
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import 'package:flame_test/flame_test.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:pinball/game/components/camera_controller.dart';
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import 'package:pinball_components/pinball_components.dart';
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void main() {
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group('CameraController', () {
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late FlameGame game;
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late CameraController controller;
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setUp(() async {
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game = FlameGame()..onGameResize(Vector2(100, 200));
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controller = CameraController(game);
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await game.ensureAdd(controller);
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});
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test('loads correctly', () async {
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expect(game.firstChild<CameraController>(), isNotNull);
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});
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test('correctly calculates the zooms', () async {
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expect(controller.gameFocus.zoom.toInt(), equals(12));
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expect(controller.waitingBackboxFocus.zoom.toInt(), equals(11));
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});
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test('correctly sets the initial zoom and position', () async {
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expect(game.camera.zoom, equals(controller.waitingBackboxFocus.zoom));
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expect(
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game.camera.follow,
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equals(controller.waitingBackboxFocus.position),
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);
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});
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group('focusOnGame', () {
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test('changes the zoom', () async {
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controller.focusOnGame();
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await game.ready();
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final zoom = game.firstChild<CameraZoom>();
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expect(zoom, isNotNull);
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expect(zoom?.value, equals(controller.gameFocus.zoom));
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});
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test('moves the camera after the zoom is completed', () async {
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controller.focusOnGame();
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await game.ready();
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final cameraZoom = game.firstChild<CameraZoom>()!;
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final future = cameraZoom.completed;
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game.update(10);
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game.update(0); // Ensure that the component was removed
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await future;
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expect(game.camera.position, Vector2(-4, -120));
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});
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});
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group('focusOnWaitingBackbox', () {
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test('changes the zoom', () async {
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controller.focusOnWaitingBackbox();
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await game.ready();
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final zoom = game.firstChild<CameraZoom>();
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expect(zoom, isNotNull);
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expect(zoom?.value, equals(controller.waitingBackboxFocus.zoom));
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});
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test('moves the camera after the zoom is completed', () async {
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controller.focusOnWaitingBackbox();
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await game.ready();
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final cameraZoom = game.firstChild<CameraZoom>()!;
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final future = cameraZoom.completed;
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game.update(10);
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game.update(0); // Ensure that the component was removed
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await future;
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expect(game.camera.position, Vector2(-4.5, -121));
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});
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});
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group('focusOnGameOverBackbox', () {
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test('changes the zoom', () async {
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controller.focusOnGameOverBackbox();
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await game.ready();
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final zoom = game.firstChild<CameraZoom>();
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expect(zoom, isNotNull);
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expect(zoom?.value, equals(controller.gameOverBackboxFocus.zoom));
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});
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test('moves the camera after the zoom is completed', () async {
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controller.focusOnGameOverBackbox();
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await game.ready();
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final cameraZoom = game.firstChild<CameraZoom>()!;
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final future = cameraZoom.completed;
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game.update(10);
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game.update(0); // Ensure that the component was removed
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await future;
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expect(game.camera.position, Vector2(-2.5, -117));
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});
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});
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});
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}
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