using Unity.Entities;
using Unity.Mathematics;

namespace ProjectM.Simulation
{
    /// <summary>
    /// Predicted, NON-replicated blink window on the owner-predicted player — the Movement-archetype Spark (a
    /// second dash, socketed). A shape-sibling of <see cref="DashState"/>: re-simulated from the replicated
    /// blink-socket InputEvent every predicted tick, so its own window (never <see cref="DashState"/>, which a
    /// same-tick dash+blink would clobber). BlinkSystem drives a VELOCITY blink over the half-open
    /// [StartTick, UntilTick) window and NEVER writes <c>LocalTransform</c> — the CC collide-and-slide processor
    /// owns transform integration; a raw write tunnels the subscene-only Environment colliders and resets Scale.
    /// Ticks routed through <c>TickUtil.NonZero</c>; compared via <see cref="Unity.NetCode.NetworkTick"/> only.
    /// Baked all-zero (idle). NOT a <c>[GhostField]</c> (no player-ghost re-bake).
    /// </summary>
    public struct BlinkState : IComponentData
    {
        /// <summary>Planar XZ blink heading, captured at blink-start.</summary>
        public float2 Dir;

        /// <summary>Raw ServerTick at blink-start (NonZero). Lower (inclusive) bound of the blink window.</summary>
        public uint StartTick;

        /// <summary>StartTick + blink window (NonZero). Velocity override covers the HALF-OPEN [StartTick, UntilTick).</summary>
        public uint UntilTick;
    }
}