135 lines
4.6 KiB
Dart
135 lines
4.6 KiB
Dart
// 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）。
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// 不依赖 widget 树，直接用固定步长推进，与游戏内 world.tick 完全一致。
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import 'package:flutter_test/flutter_test.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import 'package:iwbtc/src/audio/sfx.dart' show Sfx;
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import 'package:iwbtc/src/core/input.dart' show Input;
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import 'package:iwbtc/src/core/save.dart' show Save;
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import 'package:iwbtc/src/game/levels.dart' show loadLevels, LEVELS;
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import 'package:iwbtc/src/game/world.dart' show GameHost, World;
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class _Host implements GameHost {
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String screen = '';
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String toast = '';
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bool touchShown = false;
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@override
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void onBossBar(dynamic boss) {}
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@override
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void onHud(Map<String, dynamic> hud) {}
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@override
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void onPauseMenu(String label) {}
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@override
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void onResult(Map<String, dynamic> result) {}
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@override
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void onShowScreen(String s) => screen = s;
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@override
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void onToast(String text) => toast = text;
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@override
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void editorShow() {}
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@override
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void touchHide() => touchShown = false;
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@override
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void touchSetGun(bool has) {}
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@override
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void touchShow() => touchShown = true;
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}
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Future<World> _start() async {
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SharedPreferences.setMockInitialValues(<String, Object>{});
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await Save.load();
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await loadLevels();
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Input.clear();
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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）
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final world = World(_Host());
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world.startLevel(LEVELS.first, 0);
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return world;
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}
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/// 推进 n 个固定 60Hz 逻辑帧。
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void _step(World w, int n) {
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for (int i = 0; i < n; i++) {
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w.tick(17);
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}
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}
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void main() {
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TestWidgetsFlutterBinding.ensureInitialized();
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test('进入关卡后按方向键玩家会移动', () async {
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final world = await _start();
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expect(world.state, 'playing');
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expect(world.player, isNotNull);
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final double x0 = world.player!.x;
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Input.onKey('ArrowRight', true);
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_step(world, 15);
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Input.onKey('ArrowRight', false);
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expect(world.player!.x, greaterThan(x0), reason: '按住右键后玩家没有向右移动');
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// 水平速度与 web 版一致（HSPD = 2.6）
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expect(world.player!.vx, closeTo(2.6, 0.001));
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});
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test('跳跃初速与重力（当前调校：JUMP 6.326 / GRAV 0.23）', () async {
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final world = await _start();
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// 先落地，避免出生即空中导致二段跳语义不同
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_step(world, 30);
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final P = world.player!;
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Input.onKey('ShiftLeft', true);
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world.tick(17);
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world.tick(17);
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// 按住不放时持续受 GRAV = 0.23：-6.326 + 0.23 × 2
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expect(P.vy, closeTo(-6.326 + 0.46, 0.001), reason: '上升重力/初速不符');
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});
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test('松键即停：可变跳跃高度（与 web 版一致）', () async {
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final world = await _start();
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_step(world, 30);
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final P = world.player!;
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Input.onKey('ShiftLeft', true);
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world.tick(17);
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// 中途松开：web 版 player.js 会把 vy 收紧到 -3，再叠加一帧重力 → -2.75
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Input.onKey('ShiftLeft', false);
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world.tick(17);
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expect(P.vy, closeTo(-3 + 0.23, 0.001), reason: '松键后的上升速度未按 -3 收紧');
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});
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test('满力单跳顶点高度保持 ≈83.85px（飘但不改高度）', () async {
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// 回归：改手感「更飘」必须保持顶点高度不变——否则天花板/平台间距会错位。
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// 本改法是「同比例降重力 + 提初速」，顶点由 v²/(2g) 决定故应零变化。
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final world = await _start();
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_step(world, 30); // 落地稳定
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final P = world.player!;
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final double y0 = P.y;
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Input.onKey('ShiftLeft', true); // 满力起跳（按住不放）
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double minY = P.y;
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for (int i = 0; i < 240; i++) {
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world.tick(17);
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if (P.y < minY) minY = P.y;
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if (i > 5 && P.vy >= 0 && P.y >= y0) break; // 落回起跳高度
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}
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final double apex = y0 - minY;
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expect(apex, closeTo(83.85, 0.5),
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reason: '飘的改法必须保持单跳顶点高度 ≈83.85px（约 2.6 格）');
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});
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test('死亡后不自动重生，按 R 才回存档点', () async {
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final world = await _start();
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final P = world.player!;
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P.kill();
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expect(P.dead, isTrue);
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final double deadX = P.x;
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Input.onKey('KeyR', false);
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_step(world, 30);
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expect(P.dead, isTrue, reason: '死亡后不应自动重生');
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expect(P.x, deadX, reason: '死亡后玩家应定格在死亡点');
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Input.onKey('KeyR', true);
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world.tick(17);
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Input.onKey('KeyR', false);
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world.tick(17);
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expect(P.dead, isFalse, reason: '按 R 后应重回存档点');
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expect(world.deaths, 1);
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});
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}
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