using Unity.Entities;
using Unity.Mathematics;

namespace ProjectM.Simulation
{
    /// <summary>
    /// Singleton baked into the gameplay subscene, holding the baked storage-container ghost prefab and
    /// the base-grid cell to spawn it at. A one-shot server system instantiates the prefab at
    /// BaseGridMath.CellToWorld(anchor, Cell) and then destroys this singleton. Mirrors the
    /// UpgradePickupSpawner / PlayerSpawner pattern.
    /// </summary>
    public struct StorageSpawner : IComponentData
    {
        /// <summary>Baked storage-container ghost prefab to instantiate.</summary>
        public Entity Prefab;

        /// <summary>Base-grid cell at which to place the container (cell center, on the base plane).</summary>
        public int2 Cell;
    }
}