using Unity.Entities;

namespace ProjectM.Simulation
{
    /// <summary>
    /// Singleton handle to the baked item-definition database (config, not replicated — baked identically
    /// into both worlds from the gameplay subscene, exactly like <see cref="AbilityDatabase"/>). A distinct
    /// component type, so <c>GetSingleton&lt;ItemDatabase&gt;()</c> resolves independently of the ability
    /// database (singleton-ness is per type). Optional at runtime: consumers that read it use
    /// <c>TryGetSingleton</c> and fall back to defaults (e.g. <c>Tuning.DefaultStackMax</c>) so the sim still
    /// runs before the catalog is authored.
    /// </summary>
    public struct ItemDatabase : IComponentData
    {
        public BlobAssetReference<ItemDatabaseBlob> Value;
    }
}