feat: VFS 虚拟仿真实验核心框架 v2

- 加权评分系统：每步独立 ScoreWeight，满分 100，SequenceClick 按子项比例计分 - StepData 新增 DetailedContent（学习模式详细操作说明）和 SubStepCount - 伤情检查步骤扩展为 5 子项序列（视觉检查→肿胀→疼痛→生命体征→神经评估） - 夹板固定模式完整评分（选择夹板→放置衬垫→夹板固定→固定后检查） - Doc/ 文件夹归档三份文档：项目大纲、文案、评分标准 - README 更新评分权重表和夹板固定流程
2026-06-24 02:07:43 +08:00
commit a11e003fcd
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+using UnityEngine;
+using UnityEngine.UI;
+using TMPro;
+
+/// <summary>
+/// 主菜单：实验类型选择 + 模式选择 + 固定方式选择。
+/// 挂在主菜单场景的 Canvas 上。
+/// </summary>
+public class MainMenu : MonoBehaviour
+{
+    [Header("主标题")]
+    [SerializeField] private TMP_Text _titleText;
+
+    [Header("实验选择按钮 - 底部图标")]
+    [SerializeField] private Button _btnCPR;
+    [SerializeField] private Button _btnFracture;
+    [SerializeField] private Button _btnSprain;
+    [SerializeField] private Button _btnBleeding;
+    [SerializeField] private Button _btnTransport;
+
+    [Header("模式选择")]
+    [SerializeField] private TMP_Text _tipText;
+    [SerializeField] private Button _btnLearnMode;
+    [SerializeField] private Button _btnExamMode;
+    [SerializeField] private TMP_Text _selectedModeLabel;
+
+    [Header("固定方式选择（仅骨折固定）")]
+    [SerializeField] private GameObject _fixationPanel;
+    [SerializeField] private Button _btnLimbFixation;
+    [SerializeField] private Button _btnSplintFixation;
+    [SerializeField] private TMP_Text _selectedFixationLabel;
+
+    [Header("开始按钮")]
+    [SerializeField] private Button _btnStart;
+
+    [Header("提示")]
+    [SerializeField] private TMP_Text _selectionTip;
+
+    // 当前选择
+    private ExperimentType _selectedType = ExperimentType.FractureFixation;
+    private ExperimentMode _selectedMode = ExperimentMode.Learn;
+    private FixationMethod _selectedFixation = FixationMethod.LimbFixation;
+
+    private void Start()
+    {
+        BindExperimentButtons();
+        _btnLearnMode?.onClick.AddListener(() => SelectMode(ExperimentMode.Learn));
+        _btnExamMode?.onClick.AddListener(() => SelectMode(ExperimentMode.Exam));
+        _btnLimbFixation?.onClick.AddListener(() => SelectFixation(FixationMethod.LimbFixation));
+        _btnSplintFixation?.onClick.AddListener(() => SelectFixation(FixationMethod.SplintFixation));
+        _btnStart?.onClick.AddListener(StartExperiment);
+
+        // 默认选中骨折固定
+        SelectExperiment(ExperimentType.FractureFixation);
+        SelectMode(ExperimentMode.Learn);
+        SelectFixation(FixationMethod.LimbFixation);
+    }
+
+    private void BindExperimentButtons()
+    {
+        _btnCPR?.onClick.AddListener(() => SelectExperiment(ExperimentType.CPR));
+        _btnFracture?.onClick.AddListener(() => SelectExperiment(ExperimentType.FractureFixation));
+        _btnSprain?.onClick.AddListener(() => SelectExperiment(ExperimentType.SprainBandaging));
+        _btnBleeding?.onClick.AddListener(() => SelectExperiment(ExperimentType.BleedingBandaging));
+        _btnTransport?.onClick.AddListener(() => SelectExperiment(ExperimentType.CasualtyTransport));
+    }
+
+    private void SelectExperiment(ExperimentType type)
+    {
+        _selectedType = type;
+        // 骨折固定显示固定方式面板
+        bool isFracture = type == ExperimentType.FractureFixation;
+        if (_fixationPanel != null) _fixationPanel.SetActive(isFracture);
+        if (_selectionTip != null)
+            _selectionTip.text = isFracture ? "Tip：请选择固定方式" : "";
+        UpdateStartButton();
+    }
+
+    private void SelectMode(ExperimentMode mode)
+    {
+        _selectedMode = mode;
+        if (_selectedModeLabel != null)
+            _selectedModeLabel.text = mode == ExperimentMode.Learn ? "学习模式" : "考核模式";
+        UpdateStartButton();
+    }
+
+    private void SelectFixation(FixationMethod fixation)
+    {
+        _selectedFixation = fixation;
+        if (_selectedFixationLabel != null)
+            _selectedFixationLabel.text = fixation == FixationMethod.LimbFixation ? "肢体固定" : "夹板固定";
+        UpdateStartButton();
+    }
+
+    private void UpdateStartButton()
+    {
+        if (_btnStart == null) return;
+        _btnStart.interactable = true;
+    }
+
+    private void StartExperiment()
+    {
+        var gm = GameManager.Instance;
+        if (gm == null)
+        {
+            Debug.LogError("MainMenu: GameManager.Instance 为空！请确保场景中有 GameManager。");
+            return;
+        }
+
+        gm.CurrentExperimentType = _selectedType;
+        gm.CurrentMode = _selectedMode;
+        gm.CurrentFixationMethod = _selectedFixation;
+
+        // 加载实验场景（所有实验共用一个场景，StepManager 根据配置区分）
+        UnityEngine.SceneManagement.SceneManager.LoadScene("Experiment");
+    }
+}