namespace ProjectM.Client
{
    /// <summary>
    /// Client-local build-mode state shared between the HUD build palette (sets the selected buildable), the
    /// build placement input (ground ghost preview + click-to-place + conveyor rotation), and the input gather
    /// (suppresses Fire while a build is selected, so a left-click places instead of firing). Pure UI state —
    /// never replicated, never touches the sim. Reset on play-enter (statics survive fast-enter domain reloads).
    /// </summary>
    public static class BuildPaletteState
    {
        /// <summary>Selected structure type (StructureType.*); 0 = none / build mode off.</summary>
        public static byte Selected;

        /// <summary>Pending conveyor facing (0=+X,1=-X,2=+Z,3=-Z); rotated by [ / ] or R.</summary>
        public static byte Direction;

        /// <summary>True while a buildable is selected (build mode active).</summary>
        public static bool Active => Selected != 0;

        /// <summary>Select a type (or 0 to leave build mode), resetting the pending conveyor facing.</summary>
        public static void Select(byte type) { Selected = type; Direction = 0; }

        /// <summary>Leave build mode.</summary>
        public static void Clear() { Selected = 0; Direction = 0; }

        [UnityEngine.RuntimeInitializeOnLoadMethod(UnityEngine.RuntimeInitializeLoadType.SubsystemRegistration)]
        static void ResetStatics() { Selected = 0; Direction = 0; }
    }
}