シューティングゲームの作成⑤（ボス戦の追加）

public enum WavePhase
{
    ZakoPhase,
    ClimaxPhase,
    WaveClear
}

private const int MAX_WAVE = 100;
private const int MAX_QUOTA_LIMIT = 100;

public void StartWave(int wave)
{
    currentWave = wave;
    currentKillCount = 0;
    currentPhase = WavePhase.ZakoPhase;

    CalculateWaveParameters();
    UpdateUI();

    // Wave開始演出
    if (GameUIManager.Instance != null)
    {
        string msg = (currentWave % 5 == 0) ? "BOSS WAVE!" : $"WAVE {currentWave}";
        GameUIManager.Instance.ShowPhaseMessage(msg, 2.0f);
    }

    Debug.Log($"Wave {currentWave} (Loop {loopCount}) Started! Quota: {killQuota}");
}

private void CalculateWaveParameters()
{
    // 1. ノルマ計算
    int calculatedQuota = 10 + (currentWave * 2);
    killQuota = Mathf.Min(calculatedQuota, MAX_QUOTA_LIMIT);

    // 2. 出現数上限
    spawnLimit = 5 + (currentWave / 10);

    // 3. 出現ID範囲
    maxEnemyId = currentWave;
    minEnemyId = Mathf.Max(1, currentWave - 5);

    // IDが100を超えないようにキャップ（データ数依存）
    if (maxEnemyId > 100) maxEnemyId = 100;
    if (minEnemyId > 100) minEnemyId = 100;
}

private void UpdateUI()
{
    if (GameUIManager.Instance != null)
    {
        GameUIManager.Instance.UpdateWaveText(currentWave + (loopCount * 100)); // 通算Wave数を表示
        GameUIManager.Instance.UpdateQuotaText(currentKillCount, killQuota);
    }
}

public void AddZakoKill()
{
    if (currentPhase != WavePhase.ZakoPhase) return;

    currentKillCount++;
    UpdateUI();

    if (currentKillCount >= killQuota)
    {
        EnterClimaxPhase();
    }
}

private void EnterClimaxPhase()
{
    currentPhase = WavePhase.ClimaxPhase;

    // 警告演出
    if (GameUIManager.Instance != null)
    {
        bool isBoss = (currentWave % 5 == 0);
        string msg = isBoss ? "<color=red>WARNING\nBOSS APPROACHING" : "<color=yellow>RUSH TIME!";
        GameUIManager.Instance.ShowPhaseMessage(msg, 3.0f);
    }
}

// Assets/Scripts/EnemySpawner.cs

private IEnumerator SpawnRoutine()
{
    // WaveManagerの準備待ち
    while (WaveManager.Instance == null) yield return null;

    while (true)
    {
        activeEnemies.RemoveAll(item => item == null);
        var wm = WaveManager.Instance;

        // フェーズによる分岐
        if (wm.Phase == WaveManager.WavePhase.ZakoPhase)
        {
            climaxSpawned = false; // 次のボス戦に備えてリセット

            // 上限チェック
            if (activeEnemies.Count < wm.SpawnLimit)
            {
                SpawnZako(wm);
            }
        }
        else if (wm.Phase == WaveManager.WavePhase.ClimaxPhase)
        {
            // ボス/Rushターゲットを1回だけ出す
            if (!climaxSpawned)
            {
                SpawnClimaxTarget(wm.CurrentWave);
                climaxSpawned = true;
            }

            // 補足: Rush時の「背景雑魚」演出を入れるならここに記述
        }

        float interval = 2.0f;
        if (ConfigManager.Instance != null)
        {
            interval = ConfigManager.Instance.Config.spawnInterval;
        }

        yield return new WaitForSeconds(interval);
    }
}

private void SpawnZako(WaveManager wm)
{
    // 出現ID範囲からランダムに決定
    int randomId = Random.Range(wm.MinEnemyId, wm.MaxEnemyId + 1);

    if (zakoMap.TryGetValue(randomId, out EnemyData data))
    {
        CreateEnemyObject(data, enemyBasePrefab, false);
    }
}