refactor: 使用flutter对原先的web项目重构，正在进行中

2026-10-25 00:06:51 +08:00
1 parent 273224f5cf
commit 18017f819a
@@ -0,0 +1,115 @@
+// 无头玩法测试：验证「输入 → World → 物理」链路真的在动（手感保真的核心）。
+// 不依赖 widget 树，直接用固定步长推进，与游戏内 world.tick 完全一致。
+import 'package:flutter_test/flutter_test.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'package:iwbtc/src/audio/sfx.dart' show Sfx;
+import 'package:iwbtc/src/core/input.dart' show Input;
+import 'package:iwbtc/src/core/save.dart' show Save;
+import 'package:iwbtc/src/game/levels.dart' show loadLevels, LEVELS;
+import 'package:iwbtc/src/game/world.dart' show GameHost, World;
+
+class _Host implements GameHost {
+  String screen = '';
+  String toast = '';
+  bool touchShown = false;
+  @override
+  void onBossBar(dynamic boss) {}
+  @override
+  void onHud(Map<String, dynamic> hud) {}
+  @override
+  void onPauseMenu(String label) {}
+  @override
+  void onResult(Map<String, dynamic> result) {}
+  @override
+  void onShowScreen(String s) => screen = s;
+  @override
+  void onToast(String text) => toast = text;
+  @override
+  void editorShow() {}
+  @override
+  void touchHide() => touchShown = false;
+  @override
+  void touchSetGun(bool has) {}
+  @override
+  void touchShow() => touchShown = true;
+}
+
+Future<World> _start() async {
+  SharedPreferences.setMockInitialValues(<String, Object>{});
+  await Save.load();
+  await loadLevels();
+  Input.clear();
+  Sfx.enabled = false; // 测试环境没有音频插件，保持静音（Sfx 也不会因此报错）
+  final world = World(_Host());
+  world.startLevel(LEVELS.first, 0);
+  return world;
+}
+
+/// 推进 n 个固定 60Hz 逻辑帧。
+void _step(World w, int n) {
+  for (int i = 0; i < n; i++) {
+    w.tick(17);
+  }
+}
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+  test('进入关卡后按方向键玩家会移动', () async {
+    final world = await _start();
+    expect(world.state, 'playing');
+    expect(world.player, isNotNull);
+
+    final double x0 = world.player!.x;
+    Input.onKey('ArrowRight', true);
+    _step(world, 15);
+    Input.onKey('ArrowRight', false);
+
+    expect(world.player!.x, greaterThan(x0), reason: '按住右键后玩家没有向右移动');
+    // 水平速度与 web 版一致（HSPD = 2.6）
+    expect(world.player!.vx, closeTo(2.6, 0.001));
+  });
+
+  test('跳跃初速与重力与 web 版一致（JUMP 6.6 / GRAV 0.25）', () async {
+    final world = await _start();
+    // 先落地，避免出生即空中导致二段跳语义不同
+    _step(world, 30);
+    final P = world.player!;
+    Input.onKey('ShiftLeft', true);
+    world.tick(17);
+    world.tick(17);
+    // 按住不放时持续受 GRAV = 0.25：-6.6 + 0.25 × 2
+    expect(P.vy, closeTo(-6.6 + 0.5, 0.001), reason: '上升重力不符');
+  });
+
+  test('松键即停：可变跳跃高度（与 web 版一致）', () async {
+    final world = await _start();
+    _step(world, 30);
+    final P = world.player!;
+    Input.onKey('ShiftLeft', true);
+    world.tick(17);
+    // 中途松开：web 版 player.js 会把 vy 收紧到 -3，再叠加一帧重力 → -2.75
+    Input.onKey('ShiftLeft', false);
+    world.tick(17);
+    expect(P.vy, closeTo(-3 + 0.25, 0.001), reason: '松键后的上升速度未按 -3 收紧');
+  });
+
+  test('死亡后不自动重生，按 R 才回存档点', () async {
+    final world = await _start();
+    final P = world.player!;
+    P.kill();
+    expect(P.dead, isTrue);
+    final double deadX = P.x;
+
+    Input.onKey('KeyR', false);
+    _step(world, 30);
+    expect(P.dead, isTrue, reason: '死亡后不应自动重生');
+    expect(P.x, deadX, reason: '死亡后玩家应定格在死亡点');
+
+    Input.onKey('KeyR', true);
+    world.tick(17);
+    Input.onKey('KeyR', false);
+    world.tick(17);
+    expect(P.dead, isFalse, reason: '按 R 后应重回存档点');
+    expect(world.deaths, 1);
+  });
+}