using Unity.Entities;
using Unity.NetCode;

namespace ProjectM.Simulation
{
    /// <summary>
    /// The player's expedition ready-check flag — a plain send-to-all <c>[GhostField]</c> byte on the player ghost so
    /// EVERY client can render the "N/M READY" staging panel (owner-only would hide teammates' readiness). Written
    /// server-only by <c>ReadyToggleSystem</c> from the <see cref="ReadyToggleRequest"/> RPC — honored during Staging
    /// AND the Launching countdown (an un-ready during the countdown is the launch-abort escape hatch); cleared for
    /// all players by <c>RunDirectorSystem</c> on the Returning edge. The N/M derivation counts live PlayerTag ghosts,
    /// which is valid ONLY because the party is co-located at base while Staging (the co-location invariant — N7);
    /// ready toggles are refused in every other lifecycle state.
    /// </summary>
    public struct PlayerReady : IComponentData
    {
        /// <summary>1 = ready to launch; 0 = not ready.</summary>
        [GhostField] public byte Value;
    }
}