HighGroundRoyaleNetcode/Assets/Scripts/Gameplay/ChaosRuneBase.cs

using System.Collections;
using Unity.BossRoom.Gameplay.GameplayObjects.Character;
using Unity.Netcode;
using UnityEngine;

[RequireComponent(typeof(NetworkObject), typeof(Collider))]
public abstract class ChaosRuneBase : NetworkBehaviour
{
    [Header("Rune Data")]
    [Tooltip("Radius of the trigger collider; set your collider to match.")]
    public float chaosRuneRadius = 1f;
    public float chaosRuneMagnitude = 1f;
    public float chaosRuneDuration = 5f;
    public float chaosRuneCooldownTime = 10f;
    public float chaosRuneApplicationRadius = 2f;

    [Space, Tooltip("Seconds before this rune auto-expires if not picked up")]
    public float lifetime = 5f;

    private Coroutine _expireRoutine;

    public override void OnNetworkSpawn()
    {
        if (!IsServer) return;

        // start the expiry countdown
        _expireRoutine = StartCoroutine(ExpireAfter(lifetime));
    }

    private IEnumerator ExpireAfter(float secs)
    {
        yield return new WaitForSeconds(secs);

        // server‐only hook
        OnChaosRuneExpired();

        // remove from all clients
        NetworkObject.Despawn();
    }

    private void OnTriggerEnter(Collider other)
    {
        if (!IsServer) return;

        // only players can pick up
        var picker = other.GetComponent<ServerCharacter>();
        if (picker == null) return;

        // cancel expiry
        StopCoroutine(_expireRoutine);

        // server‐only hook
        OnChaosRunePickedUp(picker);

        // remove from all clients
        NetworkObject.Despawn();
    }

    /// <summary>
    /// Override in your concrete prefab‐script (or subclass) to grant effects.
    /// </summary>
    protected virtual void OnChaosRunePickedUp(ServerCharacter picker)
    {
        Debug.Log($"[Server] {picker.name} picked up {name}");
        // e.g. picker.ApplyEffect(chaosRuneMagnitude, chaosRuneDuration);
    }

    /// <summary>
    /// Override to do cleanup if nobody picked it up.
    /// </summary>
    protected virtual void OnChaosRuneExpired()
    {
        Debug.Log($"[Server] {name} expired before pickup");
    }
}