Rasagar/Library/PackageCache/com.unity.ai.navigation/Tests/Runtime/NavMeshSurfaceLinkTests.cs
2024-08-26 23:07:20 +03:00

793 lines
31 KiB
C#

#if UNITY_EDITOR || UNITY_STANDALONE
using System;
using System.Collections;
using NUnit.Framework;
using UnityEngine;
using UnityEngine.AI;
using UnityEngine.TestTools;
using UnityEngine.TestTools.Utils;
using Object = UnityEngine.Object;
namespace Unity.AI.Navigation.Tests
{
[TestFixture]
class NavMeshSurfaceLinkTests
{
GameObject m_PlaneAtOrigin;
GameObject m_PlaneOnTheSide;
NavMeshLink m_Link;
NavMeshSurface m_Surface;
readonly Vector3 m_OffsetX = new(11f, 0f, 0f);
readonly Vector3 m_OffsetZ = new(0f, 0f, 11f);
readonly Vector3 m_DefaultEndpointOffset = new(0f, 0f, 2.5f);
#if ENABLE_NAVIGATION_OFFMESHLINK_TO_NAVMESHLINK
readonly int m_PandaTypeID = NavMesh.CreateSettings().agentTypeID;
const int k_AreaTypeForPanda = 3;
NavMeshAgent m_Agent;
GameObject m_ExtraNavMesh;
GameObject m_FarFromNavMesh;
GameObject m_TempGO;
GameObject m_PathfindingStart;
GameObject m_PathfindingEnd;
NavMeshDataInstance m_NavMeshClone;
NavMeshDataInstance m_NavMeshForPanda;
NavMeshSurface m_SurfaceForPanda;
#endif
[OneTimeSetUp]
public void OneTimeSetUp()
{
m_PlaneAtOrigin = GameObject.CreatePrimitive(PrimitiveType.Plane);
m_PlaneOnTheSide = GameObject.CreatePrimitive(PrimitiveType.Plane);
m_PlaneOnTheSide.transform.position = m_OffsetX;
m_PlaneOnTheSide.transform.localScale = 0.4f * Vector3.one;
m_PlaneAtOrigin.transform.localScale = 0.4f * Vector3.one;
m_Surface = new GameObject("Surface").AddComponent<NavMeshSurface>();
m_Surface.BuildNavMesh();
Assume.That(HasPathConnecting(m_PlaneAtOrigin, m_PlaneOnTheSide), Is.False);
Assume.That(HasPathConnecting(m_PlaneOnTheSide, m_PlaneAtOrigin), Is.False);
#if ENABLE_NAVIGATION_OFFMESHLINK_TO_NAVMESHLINK
m_Agent = new GameObject("Agent").AddComponent<NavMeshAgent>();
m_Agent.transform.position = m_PlaneOnTheSide.transform.position - 2f * Vector3.back;
m_Agent.enabled = false;
m_Agent.acceleration = 100f;
m_Agent.speed = 10f;
Assume.That(m_Agent.speed, Is.LessThan(m_OffsetX.x),
"Too high of a speed causes the agent to jump straight to the path's end.");
m_PathfindingStart = new GameObject("Path Start");
m_PathfindingEnd = new GameObject("Path End");
m_ExtraNavMesh = new GameObject("Origin of Additional NavMesh")
{
transform =
{
position = m_PlaneAtOrigin.transform.position + m_OffsetZ
}
};
m_FarFromNavMesh = new GameObject("Position Far From NavMesh")
{
transform =
{
position = m_ExtraNavMesh.transform.position - 2f * m_OffsetX
}
};
m_NavMeshClone = NavMesh.AddNavMeshData(m_Surface.navMeshData, m_ExtraNavMesh.transform.position, Quaternion.identity);
m_SurfaceForPanda = m_Surface.gameObject.AddComponent<NavMeshSurface>();
m_SurfaceForPanda.agentTypeID = m_PandaTypeID;
m_SurfaceForPanda.defaultArea = k_AreaTypeForPanda;
m_SurfaceForPanda.BuildNavMesh();
m_SurfaceForPanda.enabled = false;
#endif
}
[SetUp]
public void SetUp()
{
// move m_Link to OneTimeSetup
m_Link = new GameObject("Link").AddComponent<NavMeshLink>();
m_Link.transform.position = Vector3.zero;
m_Link.startPoint = m_PlaneAtOrigin.transform.position;
m_Link.endPoint = m_PlaneOnTheSide.transform.position;
m_Link.UpdateLink();
Assume.That(HasPathConnecting(m_PlaneAtOrigin, m_PlaneOnTheSide), Is.True);
Assume.That(HasPathConnecting(m_PlaneOnTheSide, m_PlaneAtOrigin), Is.True);
#if ENABLE_NAVIGATION_OFFMESHLINK_TO_NAVMESHLINK
if (m_Agent.isActiveAndEnabled)
{
m_Agent.ResetPath();
m_Agent.Warp(m_PlaneOnTheSide.transform.position - 2f * Vector3.back);
}
m_PathfindingStart.transform.position = m_Link.transform.position + m_Link.startPoint;
m_PathfindingEnd.transform.position = m_Link.transform.position + m_Link.endPoint;
#endif
}
[TearDown]
public void TearDown()
{
Object.DestroyImmediate(m_Link.gameObject);
#if ENABLE_NAVIGATION_OFFMESHLINK_TO_NAVMESHLINK
if (m_TempGO != null)
Object.DestroyImmediate(m_TempGO);
if (m_NavMeshForPanda.valid)
NavMesh.RemoveNavMeshData(m_NavMeshForPanda);
m_Agent.enabled = false;
#endif
}
[OneTimeTearDown]
public void OneTimeTearDown()
{
Object.DestroyImmediate(m_Surface.gameObject);
Object.DestroyImmediate(m_PlaneAtOrigin);
Object.DestroyImmediate(m_PlaneOnTheSide);
#if ENABLE_NAVIGATION_OFFMESHLINK_TO_NAVMESHLINK
Object.DestroyImmediate(m_Agent);
Object.DestroyImmediate(m_ExtraNavMesh);
Object.DestroyImmediate(m_FarFromNavMesh);
Object.DestroyImmediate(m_PathfindingStart);
Object.DestroyImmediate(m_PathfindingEnd);
if (m_NavMeshClone.valid)
NavMesh.RemoveNavMeshData(m_NavMeshClone);
#endif
}
[Test]
public void Link_WhenCreated_HasDefaultEndpointOffsets()
{
var link = m_Link.gameObject.AddComponent<NavMeshLink>();
Assert.That(link.startPoint, Is.EqualTo(-m_DefaultEndpointOffset).Using(Vector3EqualityComparer.Instance),
"Newly created NavMeshLink should have the start point located at an offset from the game object.");
Assert.That(link.endPoint, Is.EqualTo(m_DefaultEndpointOffset).Using(Vector3EqualityComparer.Instance),
"Newly created NavMeshLink should have the end point located at an offset from the game object.");
}
[Test]
public void Link_WithValidParameters_ConnectsTwoSurfaces()
{
VerifyLinkConnection(ResultsIn.PathForward);
}
[Test]
public void Link_OnUpdateLinkWhileDisabled_DoesNotEnableConnection()
{
m_Link.gameObject.SetActive(false);
VerifyLinkConnection(ResultsIn.NoPath);
m_Link.UpdateLink();
VerifyLinkConnection(ResultsIn.NoPath);
}
[Test]
public void Link_WhenPropertyAreaChanges_UpdatesConnectionImmediately()
{
Assume.That(HasPathConnecting(m_PlaneAtOrigin, m_PlaneOnTheSide), Is.True);
m_Link.area = 4;
var anyAreaExceptTheLinkArea = ~(1 << m_Link.area);
Assert.IsFalse(HasPathConnecting(m_PlaneAtOrigin, m_PlaneOnTheSide, anyAreaExceptTheLinkArea));
}
[Test]
public void Link_WhenPropertyBidirectionalSwitchedOff_UpdatesConnectionImmediatelyToOneWay()
{
Assume.That(HasPathConnecting(m_PlaneOnTheSide, m_PlaneAtOrigin), Is.True);
m_Link.bidirectional = false;
VerifyLinkConnection(ResultsIn.PathOnlyForward);
}
[Test]
public void Link_WhenPropertyBidirectionalSwitchedOn_UpdatesConnectionImmediatelyToBothWays()
{
m_Link.bidirectional = false;
Assume.That(HasPathConnecting(m_PlaneOnTheSide, m_PlaneAtOrigin), Is.False);
m_Link.bidirectional = true;
VerifyLinkConnection(ResultsIn.PathBothWays);
}
[Test]
public void Link_WhenPropertyCostModifierChanges_UpdatesConnectionImmediately()
{
m_Link.gameObject.SetActive(false);
var fartherLink = m_Link.gameObject.AddComponent<NavMeshLink>();
fartherLink.startPoint = m_PlaneAtOrigin.transform.position + Vector3.forward;
fartherLink.endPoint = m_PlaneOnTheSide.transform.position + Vector3.forward;
m_Link.gameObject.SetActive(true);
Assume.That(HasPathConnectingViaPoint(m_PlaneAtOrigin, m_PlaneOnTheSide, m_Link.endPoint), Is.True);
m_Link.costModifier = 1000f;
Assert.IsFalse(HasPathConnectingViaPoint(m_PlaneAtOrigin, m_PlaneOnTheSide, m_Link.endPoint),
"A path should not go through the connection with the higher cost, even if it's closer.");
Assert.IsTrue(HasPathConnectingViaPoint(m_PlaneAtOrigin, m_PlaneOnTheSide, fartherLink.endPoint),
"A path should go through the connection with the lower cost, even if it's farther away.");
}
[Test]
public void Link_WhenPropertyStartPointChanged_UpdatesConnectionImmediately()
{
m_Link.startPoint = m_OffsetZ;
m_PathfindingStart.transform.position = m_ExtraNavMesh.transform.position;
VerifyLinkConnection(ResultsIn.PathForward);
}
[Test]
public void Link_WhenPropertyEndPointChanged_UpdatesConnectionImmediately()
{
m_Link.endPoint = m_OffsetZ;
m_PathfindingEnd.transform.position = m_ExtraNavMesh.transform.position;
VerifyLinkConnection(ResultsIn.PathForward);
}
[Test]
public void Link_WhenPropertyWidthChanges_UpdatesConnectionImmediately()
{
m_Link.transform.position = 3f * Vector3.forward;
m_Link.UpdateLink();
Assume.That(HasPathConnecting(m_PlaneAtOrigin, m_PlaneOnTheSide), Is.False);
m_Link.width = 6f;
Assert.IsTrue(HasPathConnecting(m_PlaneAtOrigin, m_PlaneOnTheSide));
}
#if ENABLE_NAVIGATION_OFFMESHLINK_TO_NAVMESHLINK
[Test]
public void Link_WhenPropertyActivatedChanges_UpdatesConnectionImmediately([Values(false, true)] bool activated)
{
m_Link.activated = activated;
var asExpected = activated ? ResultsIn.PathForward : ResultsIn.NoPath;
VerifyLinkConnection(asExpected);
}
[Test]
[Description("This behavior needed to match the legacy OffMeshLink behavior.")]
public void Link_WhenStartTransformAssigned_SetsStartPointOffsetToZero()
{
m_TempGO = new GameObject("Link");
var link = m_TempGO.AddComponent<NavMeshLink>();
Assume.That(link.startPoint, Is.Not.EqualTo(Vector3.zero));
link.startTransform = m_ExtraNavMesh.transform;
link.UpdateLink();
Assert.That(link.startPoint, Is.EqualTo(Vector3.zero),
"NavMeshLink should have a zero start point after a start transform has been assigned to it.");
Assume.That(link.endPoint, Is.Not.EqualTo(Vector3.zero), "End point should keep a default offset.");
}
[Test]
[Description("This behavior needed to match the legacy OffMeshLink behavior.")]
public void Link_WhenEndTransformAssigned_SetsEndPointOffsetToZero()
{
m_TempGO = new GameObject("Link");
var link = m_TempGO.AddComponent<NavMeshLink>();
Assume.That(link.endPoint, Is.Not.EqualTo(Vector3.zero));
link.endTransform = m_ExtraNavMesh.transform;
link.UpdateLink();
Assert.That(link.endPoint, Is.EqualTo(Vector3.zero),
"NavMeshLink should have a zero end point after a end transform has been assigned to it.");
Assume.That(link.startPoint, Is.Not.EqualTo(Vector3.zero), "Start point should keep a default offset.");
}
[Test]
[Description("This behavior is different than the legacy OffMeshLink behavior.")]
public void Link_WhenTransformRemovedAtStart_KeepsStartPointOffsetUnchanged()
{
m_TempGO = new GameObject("Link");
var pointBefore = new Vector3(1f, 2f, 3f);
var link = m_TempGO.AddComponent<NavMeshLink>();
link.startTransform = m_TempGO.transform;
link.startPoint = pointBefore;
link.startTransform = null;
Assert.That(link.startPoint, Is.EqualTo(pointBefore),
"NavMeshLink should retain the same start point after the start transform has been unassigned.");
Assume.That(link.endPoint, Is.EqualTo(m_DefaultEndpointOffset),
"End point should keep a default offset.");
}
[Test]
[Description("This behavior is different than the legacy OffMeshLink behavior.")]
public void Link_WhenTransformRemovedAtEnd_KeepsEndPointOffsetUnchanged()
{
m_TempGO = new GameObject("Link");
var pointBefore = new Vector3(1f, 2f, 3f);
var link = m_TempGO.AddComponent<NavMeshLink>();
link.endTransform = m_TempGO.transform;
link.endPoint = pointBefore;
link.endTransform = null;
Assert.That(link.endPoint, Is.EqualTo(pointBefore),
"NavMeshLink should retain the same end point after the end transform has been unassigned.");
Assume.That(link.startPoint, Is.EqualTo(-m_DefaultEndpointOffset),
"Start point should keep a default offset.");
}
[UnityTest]
public IEnumerator Link_DuringAgentTraversal_ReportsIsOccupied_OtherwiseNotOccupied()
{
m_Agent.enabled = true;
m_Agent.SetDestination(m_PlaneAtOrigin.transform.position + Vector3.back);
while (!m_Agent.isOnOffMeshLink)
{
Assert.IsFalse(m_Link.occupied, "Link is occupied, but the agent hasn't arrived to the link yet.");
yield return null;
}
var framesUntilComplete = 3;
while (m_Agent.isOnOffMeshLink)
{
Assert.IsTrue(m_Link.occupied, "Link is not occupied, but the agent is on the link.");
if (--framesUntilComplete == 0)
m_Agent.CompleteOffMeshLink();
yield return null;
}
Assert.IsFalse(m_Link.occupied, "Link is occupied, but agent has left the link.");
}
[Test]
public void Link_WhenPropertyStartTransformAssigned_UpdatesConnectionImmediately()
{
m_Link.startTransform = m_ExtraNavMesh.transform;
m_PathfindingStart.transform.position = m_ExtraNavMesh.transform.position;
VerifyLinkConnection(ResultsIn.PathForward);
}
[Test]
public void Link_WhenPropertyEndTransformAssigned_UpdatesConnectionImmediately()
{
m_Link.endTransform = m_ExtraNavMesh.transform;
m_PathfindingEnd.transform.position = m_ExtraNavMesh.transform.position;
VerifyLinkConnection(ResultsIn.PathForward);
}
[Test]
public void Link_WhenPropertyStartTransformRemoved_UpdatesConnectionImmediately()
{
m_TempGO = Object.Instantiate(m_ExtraNavMesh);
m_Link.startTransform = m_TempGO.transform;
m_Link.UpdateLink();
m_PathfindingStart.transform.position = m_ExtraNavMesh.transform.position;
VerifyLinkConnection(ResultsIn.PathForward);
m_Link.startTransform = null;
m_PathfindingStart.transform.position = m_Link.transform.position;
VerifyLinkConnection(ResultsIn.PathForward);
}
[Test]
public void Link_WhenPropertyEndTransformRemoved_UpdatesConnectionImmediately()
{
m_TempGO = Object.Instantiate(m_ExtraNavMesh);
m_Link.endTransform = m_TempGO.transform;
m_Link.startTransform = null;
m_Link.startPoint = m_PlaneOnTheSide.transform.position - m_Link.transform.position;
m_Link.UpdateLink();
m_PathfindingEnd.transform.position = m_ExtraNavMesh.transform.position;
m_PathfindingStart.transform.position = m_PlaneOnTheSide.transform.position;
VerifyLinkConnection(ResultsIn.PathForward);
m_Link.endTransform = null;
m_PathfindingEnd.transform.position = m_Link.transform.position;
VerifyLinkConnection(ResultsIn.PathForward);
}
[Test]
public void Link_WhenPropertiesTransformAndPointAtStartChange_AppliesStartPointRelativeToStartTransform()
{
m_Link.startTransform = m_FarFromNavMesh.transform;
m_Link.startPoint = 2f * m_OffsetX;
m_PathfindingStart.transform.position = m_ExtraNavMesh.transform.position;
VerifyLinkConnection(ResultsIn.PathForward);
}
[Test]
public void Link_WhenPropertiesTransformAndPointAtEndChange_AppliesStartPointRelativeToStartTransform()
{
m_Link.endTransform = m_FarFromNavMesh.transform;
m_Link.endPoint = 2f * m_OffsetX;
m_PathfindingEnd.transform.position = m_ExtraNavMesh.transform.position;
VerifyLinkConnection(ResultsIn.PathForward);
}
[UnityTest]
public IEnumerator Link_WhenAutoUpdateSwitchedOn_UpdatesOnNextFrame_AndNotBefore()
{
Assume.That(m_Link.autoUpdate, Is.False);
m_Link.transform.rotation = Quaternion.Euler(0f, -90f, 0f);
m_PathfindingEnd.transform.position = m_ExtraNavMesh.transform.position;
m_Link.autoUpdate = true;
VerifyLinkConnection(ResultsIn.NoPath);
yield return null;
VerifyLinkConnection(ResultsIn.PathForward);
}
[UnityTest]
public IEnumerator Link_WhenAutoUpdateSwitchedOff_DoesNotApplyQueuedOrFutureChanges()
{
m_Link.autoUpdate = true;
yield return null;
m_Link.transform.rotation = Quaternion.Euler(0f, -90f, 0f);
Assume.That(m_PathfindingEnd.transform.position, Is.EqualTo(m_PlaneOnTheSide.transform.position).Using(Vector3EqualityComparer.Instance));
VerifyLinkConnection(ResultsIn.PathForward);
m_Link.autoUpdate = false;
yield return null;
VerifyLinkConnection(ResultsIn.PathForward);
m_Link.transform.SetPositionAndRotation(m_ExtraNavMesh.transform.position, Quaternion.identity);
yield return null;
VerifyLinkConnection(ResultsIn.PathForward);
}
[Test]
public void Link_OnUpdateLink_AppliesChangesImmediately()
{
m_Link.transform.rotation = Quaternion.Euler(0f, -90f, 0f);
m_Link.UpdateLink();
m_PathfindingEnd.transform.position = m_ExtraNavMesh.transform.position;
VerifyLinkConnection(ResultsIn.PathForward, m_Link.area, m_Link.agentTypeID);
}
[Test]
public void Link_WhenEnabled_AppliesChangesImmediately()
{
m_Link.enabled = false;
VerifyLinkConnection(ResultsIn.NoPath);
AddNavMeshForPanda();
ReconfigureLinkForPanda(m_Link);
m_PathfindingEnd.transform.position = m_ExtraNavMesh.transform.position;
VerifyLinkConnection(ResultsIn.NoPath, m_Link.area, m_Link.agentTypeID);
m_Link.enabled = true;
VerifyLinkConnection(ResultsIn.PathOnlyForward, m_Link.area, m_Link.agentTypeID);
}
void ReconfigureLinkForPanda(NavMeshLink link)
{
var wasEnabled = link.enabled;
link.enabled = false;
link.agentTypeID = m_PandaTypeID;
link.area = k_AreaTypeForPanda;
link.bidirectional = false;
link.costModifier = 3f;
link.width = 6f;
link.startTransform = m_ExtraNavMesh.transform;
link.endTransform = m_ExtraNavMesh.transform;
link.startPoint = -m_OffsetZ + 3f * Vector3.right;
link.endPoint = Vector3.zero + 3f * Vector3.right;
link.enabled = wasEnabled;
}
void AddNavMeshForPanda()
{
m_NavMeshForPanda = NavMesh.AddNavMeshData(m_SurfaceForPanda.navMeshData,
m_ExtraNavMesh.transform.position + 0.05f * Vector3.up, Quaternion.Euler(0f, 90f, 0f));
}
#endif
[Test]
public void Link_WhenGameObjectTransformMoves_EndpointsMoveRelativeToLinkOnUpdate()
{
m_Link.transform.position += Vector3.forward;
Assert.IsFalse(HasPathConnectingViaPoint(m_PlaneAtOrigin, m_PlaneOnTheSide, m_PlaneAtOrigin.transform.position + Vector3.forward));
Assert.IsFalse(HasPathConnectingViaPoint(m_PlaneAtOrigin, m_PlaneOnTheSide, m_PlaneOnTheSide.transform.position + Vector3.forward));
m_Link.UpdateLink();
Assert.IsTrue(HasPathConnectingViaPoint(m_PlaneAtOrigin, m_PlaneOnTheSide, m_PlaneAtOrigin.transform.position + Vector3.forward));
Assert.IsTrue(HasPathConnectingViaPoint(m_PlaneAtOrigin, m_PlaneOnTheSide, m_PlaneOnTheSide.transform.position + Vector3.forward));
}
[UnityTest]
public IEnumerator LinkWithAutoUpdateOn_WhenGameObjectMoves_UpdatesConnectionNextFrame()
{
m_Link.autoUpdate = true;
m_Link.transform.position += Vector3.forward;
Assert.IsFalse(HasPathConnectingViaPoint(m_PlaneAtOrigin, m_PlaneOnTheSide, m_PlaneAtOrigin.transform.position + Vector3.forward));
Assert.IsFalse(HasPathConnectingViaPoint(m_PlaneAtOrigin, m_PlaneOnTheSide, m_PlaneOnTheSide.transform.position + Vector3.forward));
yield return null;
Assert.IsTrue(HasPathConnectingViaPoint(m_PlaneAtOrigin, m_PlaneOnTheSide, m_PlaneAtOrigin.transform.position + Vector3.forward));
Assert.IsTrue(HasPathConnectingViaPoint(m_PlaneAtOrigin, m_PlaneOnTheSide, m_PlaneOnTheSide.transform.position + Vector3.forward));
}
[UnityTest]
public IEnumerator LinkWithAutoUpdateOff_WhenGameObjectMoves_KeepsConnectionUnchanged()
{
m_Link.autoUpdate = false;
Assume.That(HasPathConnectingViaPoint(m_PlaneAtOrigin, m_PlaneOnTheSide, m_PlaneAtOrigin.transform.position), Is.True);
Assert.That(HasPathConnectingViaPoint(m_PlaneAtOrigin, m_PlaneOnTheSide, m_PlaneOnTheSide.transform.position), Is.True);
m_Link.transform.position += Vector3.forward;
// Skip a few frames
yield return null;
yield return null;
yield return null;
Assert.IsTrue(HasPathConnectingViaPoint(m_PlaneAtOrigin, m_PlaneOnTheSide, m_PlaneAtOrigin.transform.position));
Assert.IsTrue(HasPathConnectingViaPoint(m_PlaneAtOrigin, m_PlaneOnTheSide, m_PlaneOnTheSide.transform.position));
}
[UnityTest]
public IEnumerator LinkWithAutoUpdateOn_WhenGameObjectRotates_UpdatesConnectionNextFrame()
{
m_Link.autoUpdate = true;
m_Link.transform.rotation = Quaternion.Euler(0f, -90f, 0f);
m_PathfindingEnd.transform.position = m_ExtraNavMesh.transform.position;
VerifyLinkConnection(ResultsIn.NoPath);
yield return null;
VerifyLinkConnection(ResultsIn.PathForward);
}
[UnityTest]
public IEnumerator LinkWithAutoUpdateOff_WhenGameObjectRotates_KeepsConnectionUnchanged()
{
m_Link.autoUpdate = false;
m_Link.transform.rotation = Quaternion.Euler(0f, -90f, 0f);
// Skip a few frames
yield return null;
yield return null;
yield return null;
Assume.That(m_PathfindingEnd.transform.position, Is.EqualTo(m_PlaneOnTheSide.transform.position).Using(Vector3EqualityComparer.Instance));
VerifyLinkConnection(ResultsIn.PathForward);
}
[UnityTest]
public IEnumerator LinkWithAutoUpdateOn_WhenTransformAtStartMoves_UpdatesConnectionNextFrame()
{
m_TempGO = Object.Instantiate(m_FarFromNavMesh);
m_Link.startTransform = m_TempGO.transform;
m_Link.UpdateLink();
m_Link.autoUpdate = true;
m_TempGO.transform.position += 2f * m_OffsetX;
m_PathfindingStart.transform.position = m_TempGO.transform.position;
VerifyLinkConnection(ResultsIn.NoPath);
yield return null;
VerifyLinkConnection(ResultsIn.PathForward);
}
[UnityTest]
public IEnumerator LinkWithAutoUpdateOn_WhenTransformAtEndMoves_UpdatesConnectionNextFrame()
{
m_TempGO = Object.Instantiate(m_FarFromNavMesh);
m_Link.endTransform = m_TempGO.transform;
m_Link.UpdateLink();
m_Link.autoUpdate = true;
m_TempGO.transform.position += 2f * m_OffsetX;
m_PathfindingEnd.transform.position = m_TempGO.transform.position;
VerifyLinkConnection(ResultsIn.NoPath);
yield return null;
VerifyLinkConnection(ResultsIn.PathForward);
}
[UnityTest]
public IEnumerator LinkWithAutoUpdateOn_WhenTransformAtStartDestroyed_UpdatesConnectionNextFrame()
{
m_Link.autoUpdate = true;
m_TempGO = Object.Instantiate(m_ExtraNavMesh);
m_Link.startTransform = m_TempGO.transform;
m_Link.UpdateLink();
m_PathfindingStart.transform.position = m_TempGO.transform.position;
Object.DestroyImmediate(m_TempGO);
VerifyLinkConnection(ResultsIn.PathForward);
yield return null;
VerifyLinkConnection(ResultsIn.NoPath);
m_PathfindingStart.transform.position = m_Link.transform.position;
VerifyLinkConnection(ResultsIn.PathForward);
}
[UnityTest]
public IEnumerator LinkWithAutoUpdateOn_WhenTransformAtEndDestroyed_UpdatesConnectionNextFrame()
{
m_Link.autoUpdate = true;
m_TempGO = Object.Instantiate(m_ExtraNavMesh);
m_Link.endTransform = m_TempGO.transform;
m_Link.startTransform = null;
m_Link.startPoint = m_PlaneOnTheSide.transform.position - m_Link.transform.position;
m_Link.UpdateLink();
m_PathfindingEnd.transform.position = m_ExtraNavMesh.transform.position;
m_PathfindingStart.transform.position = m_PlaneOnTheSide.transform.position;
Object.DestroyImmediate(m_TempGO);
VerifyLinkConnection(ResultsIn.PathForward);
yield return null;
VerifyLinkConnection(ResultsIn.NoPath);
m_PathfindingEnd.transform.position = m_Link.transform.position;
VerifyLinkConnection(ResultsIn.PathForward);
}
[UnityTest]
public IEnumerator LinkWithAutoUpdateOff_WhenTransformAtStartMoves_KeepsConnectionUnchanged()
{
m_Link.autoUpdate = false;
m_TempGO = Object.Instantiate(m_ExtraNavMesh);
m_Link.startTransform = m_TempGO.transform;
m_Link.UpdateLink();
m_PathfindingStart.transform.position = m_TempGO.transform.position;
VerifyLinkConnection(ResultsIn.PathForward);
m_TempGO.transform.position += m_OffsetX;
yield return null;
yield return null;
yield return null;
VerifyLinkConnection(ResultsIn.PathForward);
m_PathfindingStart.transform.position = m_TempGO.transform.position;
VerifyLinkConnection(ResultsIn.NoPath);
}
[UnityTest]
public IEnumerator LinkWithAutoUpdateOff_WhenTransformAtEndMoves_KeepsConnectionUnchanged()
{
m_Link.autoUpdate = false;
m_TempGO = Object.Instantiate(m_ExtraNavMesh);
m_Link.endTransform = m_TempGO.transform;
m_Link.UpdateLink();
m_PathfindingEnd.transform.position = m_TempGO.transform.position;
VerifyLinkConnection(ResultsIn.PathForward);
m_TempGO.transform.position += m_OffsetX;
yield return null;
yield return null;
yield return null;
VerifyLinkConnection(ResultsIn.PathForward);
m_PathfindingEnd.transform.position = m_TempGO.transform.position;
VerifyLinkConnection(ResultsIn.NoPath);
}
internal enum ResultsIn
{
PathForward,
PathOnlyForward,
PathBothWays,
NoPath
}
void VerifyLinkConnection(ResultsIn expected,
int areaType = 0,
int agentTypeID = 0)
{
var forwardWanted = expected != ResultsIn.NoPath;
try
{
Assert.That(HasPathConnecting(m_PathfindingStart, m_PathfindingEnd, 1 << areaType, agentTypeID), Is.EqualTo(forwardWanted),
forwardWanted ? "The NavMesh patches should be connected." : "The NavMesh patches should not be connected.");
}
catch (AssertionException)
{
Debug.Log($"The NavMesh patches at {m_PathfindingStart.transform.position} and {m_PathfindingEnd.transform.position} should {(forwardWanted ? "" : "not ")}be connected (agent={NavMesh.GetSettingsNameFromID(agentTypeID)}, area={areaType}).");
throw;
}
if (expected != ResultsIn.PathForward && expected != ResultsIn.NoPath)
{
var backwardWanted = expected == ResultsIn.PathBothWays;
try
{
Assert.That(HasPathConnecting(m_PathfindingEnd, m_PathfindingStart, 1 << areaType, agentTypeID), Is.EqualTo(backwardWanted),
backwardWanted ? "The NavMesh patches should be connected backward." : "The NavMesh patches should not be connected backward.");
}
catch (AssertionException)
{
Debug.Log($"The NavMesh patches at {m_PathfindingStart.transform.position} and {m_PathfindingEnd.transform.position} should {(backwardWanted ? "" : "not ")}be connected backward (agent={NavMesh.GetSettingsNameFromID(agentTypeID)}, area={areaType}).");
throw;
}
}
}
static bool HasPathConnecting(GameObject a, GameObject b, int areaMask = NavMesh.AllAreas, int agentTypeID = 0)
{
var path = new NavMeshPath();
var filter = new NavMeshQueryFilter
{
areaMask = areaMask,
agentTypeID = agentTypeID
};
NavMesh.CalculatePath(a.transform.position, b.transform.position, filter, path);
return path.status == NavMeshPathStatus.PathComplete;
}
static bool HasPathConnectingViaPoint(GameObject a, GameObject b, Vector3 point, int areaMask = NavMesh.AllAreas, int agentTypeID = 0)
{
var path = new NavMeshPath();
var filter = new NavMeshQueryFilter
{
areaMask = areaMask,
agentTypeID = agentTypeID
};
NavMesh.CalculatePath(a.transform.position, b.transform.position, filter, path);
if (path.status != NavMeshPathStatus.PathComplete)
return false;
var pathCorners = path.corners;
for (var i = 1; i < pathCorners.Length - 1; i++)
{
var corner = pathCorners[i];
if (Vector3.Distance(corner, point) < 0.1f)
return true;
}
return false;
}
}
}
#endif