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2025-09-24 11:24:38 +05:00
namespace Fusion.Addons.InterestManagement
{
using System.Collections.Generic;
using UnityEngine;
/// <summary>
/// Interest shape that provides configuration for box and its convertion to interest cells.
/// Regular box internally uses same algorithms as cone shape.
/// Axis-aligned box is much faster to evaluate.
/// Supports interest cells caching - cells from previous evaluation are reused until properties or transform change.
/// </summary>
public class InterestBox : InterestShape
{
// PUBLIC MEMBERS
[InlineHelp][Tooltip("Only enabled shapes are evaluated and contribute to player interest.")]
public bool IsEnabled = true;
[InlineHelp][Tooltip("Use axis-aligned box instead of regular. It ignores object rotation but is much faster to evaluate.")]
public bool IsAxisAligned = true;
[InlineHelp][Tooltip("Defines size of the interest box.")]
public Vector3 Size = Vector3.one;
[InlineHelp][Tooltip("Color used for rendering shape gizmos.")]
public Color GizmoColor = Color.white;
// PRIVATE MEMBERS
private HashSet<int> _cachedCells = new HashSet<int>();
private Vector3 _cachedPosition;
private Quaternion _cachedRotation;
private int _cachedCellSize;
private bool _cachedIsAxisAligned;
private Vector3 _cachedSize;
private long _cachedVersion;
// InterestShape INTERFACE
public override void GetCells(PlayerInterestView playerView, HashSet<int> cells, EInterestMode interestMode)
{
if (IsEnabled == false)
return;
Transform.GetPositionAndRotation(out Vector3 position, out Quaternion rotation);
if (position.Equals(_cachedPosition) == false || rotation.Equals(_cachedRotation) == false || IsAxisAligned != _cachedIsAxisAligned || Size.Equals(_cachedSize) == false || Fusion.Simulation.AreaOfInterest.CELL_SIZE != _cachedCellSize || Version != _cachedVersion)
{
_cachedCells.Clear();
InterestBoxUtility.GetCells(position, rotation, Size, IsAxisAligned, _cachedCells);
_cachedPosition = position;
_cachedRotation = rotation;
_cachedCellSize = Fusion.Simulation.AreaOfInterest.CELL_SIZE;
_cachedIsAxisAligned = IsAxisAligned;
_cachedSize = Size;
_cachedVersion = Version;
}
CombineCells(_cachedCells, cells, interestMode);
}
public override void DrawGizmo(PlayerInterestView playerView)
{
if (IsEnabled == false)
return;
Transform.GetPositionAndRotation(out Vector3 position, out Quaternion rotation);
InterestBoxUtility.DrawGizmo(position, rotation, Size, IsAxisAligned, GizmoColor);
}
// PROTECTED METHODS
/// <summary>
/// Marks cached interest cells as invalid, forcing new shape => cells conversion when the shape is evaluated next time.
/// </summary>
protected void InvalidateCache()
{
_cachedVersion = default;
}
}
}