using Unity.Entities;

namespace ProjectM.Simulation
{
    /// <summary>
    /// Server-only lit-fuse marker on an EXPLOSIVE clutter barrel (BlightClutter.Variant==3) that has been
    /// popped: the pop sites zero the barrel's replicated Remaining (the client's unambiguous fuse cue —
    /// a still-alive barrel with Remaining==0 can only mean "about to blow"; a room-teardown despawn still
    /// carries Remaining&gt;0, so the client's boom-vs-puff choice at despawn cannot misfire) and add this
    /// component instead of destroying. HazardExplosionSystem detonates when <see cref="ExplodeTick"/>
    /// elapses: radius damage to LIVING enemies AND players (friendly fire = the bait mechanic), then the
    /// single DestroyEntity. Never replicated; the fuse rides the RoomTag'd barrel, so room teardown / the
    /// Staging sweep clean lit barrels for free (no orphaned-event lifecycle).
    /// </summary>
    public struct BarrelFuse : IComponentData
    {
        /// <summary>Server tick the barrel detonates (via TickUtil.NonZero — 0 never means "ready").</summary>
        public uint ExplodeTick;
    }
}