ProjectZ/Assets/Scripts/Environment/Energy/EnergyCell.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using Mirror;
using StarterAssets;

public class EnergyCell : NetworkBehaviour
{
    public float EnergyContains = 25f;

    public bool isStatic = false;

    private float a;

    void OnTriggerEnter(Collider collider)
    {
        if (!isServer) return;

        if (collider.tag == "Player")
        {
            RpcRegenerateEnery(collider.gameObject);
            RegenerateEnergy(collider.gameObject);

            NetworkServer.Destroy(this.gameObject);
        }
    }

    [Command(requiresAuthority = false)]
    void CmdRegenerateEnery(GameObject target)
    {
        RpcRegenerateEnery(gameObject);
    }

    [ClientRpc]
    void RpcRegenerateEnery(GameObject target)
    {
        RegenerateEnergy(target);
    }

    void RegenerateEnergy(GameObject target)
    {
        PersonController player = target.GetComponent<PersonController>();
        player.InstantStaminaRegeneration(EnergyContains);
    }

    void FixedUpdate()
    {
        if (!isStatic)
        {
            a += Time.fixedDeltaTime;
            transform.localPosition += new Vector3(0, Mathf.Sin(a) * 0.008f, 0);
        }
    }
}