using Unity.Entities;

namespace ProjectM.Simulation
{
    /// <summary>
    /// Baked singleton holding the BLIGHT-GEYSER ghost prefab (Geyser_Build_Spec; a ResourceNode sibling — a
    /// <see cref="Geyser"/> carrier with RegionTag{Expedition} and NO collider). RoomFieldSystem scatters
    /// <see cref="Count"/> geysers per room epoch ONLY in Blight-biome rooms (plan.Biome == Blight) and NEVER in
    /// Boss rooms, with a keep-out ring around the room origin (player landing + portal). OPTIONAL: absent
    /// singleton = no geysers. Mirrors <see cref="CoverFieldSpawner"/>; carries no transform.
    /// </summary>
    public struct GeyserFieldSpawner : IComponentData
    {
        /// <summary>Baked geyser ghost prefab to instantiate.</summary>
        public Entity Prefab;

        /// <summary>Geysers per Blight-biome room (Boss rooms get none).</summary>
        public int Count;
    }
}