namespace AcDream.App.Streaming;

/// <summary>
/// Streaming-tier classification for a landblock. <see cref="Far"/> means
/// terrain mesh only; <see cref="Near"/> means terrain + scenery + EnvCells +
/// entity registration with the WB dispatcher. Per Phase A.5 spec §3.
/// </summary>
public enum LandblockStreamTier
{
    Far,
    Near,
}

/// <summary>
/// What work the streaming worker should perform for a given job. Distinct
/// from <see cref="LandblockStreamTier"/> because <see cref="PromoteToNear"/>
/// reads only the entity layer (terrain mesh already loaded), while
/// <see cref="LoadNear"/> reads everything from scratch. Per Phase A.5 spec §4.3.
/// </summary>
public enum LandblockStreamJobKind
{
    /// <summary>Read LandBlock heightmap, build mesh, no entity layer.</summary>
    LoadFar,
    /// <summary>Read LandBlock + LandBlockInfo, generate scenery, build mesh, full entity layer.</summary>
    LoadNear,
    /// <summary>Read LandBlockInfo + scenery only — terrain already loaded for this LB.</summary>
    PromoteToNear,
}