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Allow a range <= 0 in InRangeUnoccluded (#6440)

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This commit is contained in:
Leon Friedrich
2022-02-09 07:08:07 +13:00
committed by GitHub
parent e1d145d06e
commit bd930de044
2 changed files with 32 additions and 14 deletions
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27
Content.Shared/Examine/ExamineSystemShared.cs
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@@ -9,6 +9,7 @@ using JetBrains.Annotations;
using Robust.Shared.Containers;
using Robust.Shared.GameObjects;
using Robust.Shared.IoC;
using Robust.Shared.Log;
using Robust.Shared.Map;
using Robust.Shared.Maths;
using Robust.Shared.Physics;
@@ -33,6 +34,8 @@ namespace Content.Shared.Examine
[Dependency] private readonly SharedContainerSystem _containerSystem = default!;
[Dependency] private readonly SharedInteractionSystem _interactionSystem = default!;
public const float MaxRaycastRange = 100;
/// <summary>
/// Examine range to use when the examiner is in critical condition.
/// </summary>
@@ -114,23 +117,31 @@ namespace Content.Shared.Examine
public static bool InRangeUnOccluded(MapCoordinates origin, MapCoordinates other, float range, Ignored? predicate, bool ignoreInsideBlocker = true)
{
if (origin.MapId == MapId.Nullspace ||
if (other.MapId != origin.MapId ||
other.MapId == MapId.Nullspace) return false;
var dir = other.Position - origin.Position;
var length = dir.Length;
// If range specified also check it
if (range > 0f && length > range) return false;
if (MathHelper.CloseTo(length, 0)) return true;
if (length > MaxRaycastRange)
{
Logger.Warning("InRangeUnOccluded check performed over extreme range. Limiting CollisionRay size.");
length = MaxRaycastRange;
}
var occluderSystem = Get<OccluderSystem>();
var entMan = IoCManager.Resolve<IEntityManager>();
if (!origin.InRange(other, range)) return false;
var dir = other.Position - origin.Position;
if (dir.LengthSquared.Equals(0f)) return true;
if (range > 0f && !(dir.LengthSquared <= range * range)) return false;
predicate ??= _ => false;
var ray = new Ray(origin.Position, dir.Normalized);
var rayResults = occluderSystem
.IntersectRayWithPredicate(origin.MapId, ray, dir.Length, predicate.Invoke, false).ToList();
.IntersectRayWithPredicate(origin.MapId, ray, length, predicate.Invoke, false).ToList();
if (rayResults.Count == 0) return true;

19
Content.Shared/Interaction/SharedInteractionSystem.cs
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@@ -49,6 +49,8 @@ namespace Content.Shared.Interaction
public const float InteractionRange = 2;
public const float InteractionRangeSquared = InteractionRange * InteractionRange;
public const float MaxRaycastRange = 100;
public delegate bool Ignored(EntityUid entity);
public override void Initialize()
@@ -322,19 +324,24 @@ namespace Content.Shared.Interaction
// Have to be on same map regardless.
if (other.MapId != origin.MapId) return false;
// Uhh this does mean we could raycast infinity distance so may need to limit it.
var dir = other.Position - origin.Position;
var lengthSquared = dir.LengthSquared;
if (lengthSquared.Equals(0f)) return true;
var length = dir.Length;
// If range specified also check it
if (range > 0f && lengthSquared > range * range) return false;
if (range > 0f && length > range) return false;
if (MathHelper.CloseTo(length, 0)) return true;
predicate ??= _ => false;
if (length > MaxRaycastRange)
{
Logger.Warning("InRangeUnobstructed check performed over extreme range. Limiting CollisionRay size.");
length = MaxRaycastRange;
}
var ray = new CollisionRay(origin.Position, dir.Normalized, (int) collisionMask);
var rayResults = _sharedBroadphaseSystem.IntersectRayWithPredicate(origin.MapId, ray, dir.Length, predicate.Invoke, false).ToList();
var rayResults = _sharedBroadphaseSystem.IntersectRayWithPredicate(origin.MapId, ray, length, predicate.Invoke, false).ToList();
if (rayResults.Count == 0) return true;