Rasagar/Library/PackageCache/com.unity.ai.navigation/Tests/Runtime/OffMeshLinkTests/OffMeshLinkMultipleAddComponent.cs

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2024-08-26 13:07:20 -07:00
using System.Collections;
using NUnit.Framework;
using UnityEngine;
using UnityEngine.AI;
using UnityEngine.SceneManagement;
using UnityEngine.TestTools;
namespace Unity.AI.Navigation.Tests
{
[TestFixture]
[PrebuildSetup("Unity.AI.Navigation.Tests." + nameof(SimpleScene2PlanesNavigationSetup))]
[PostBuildCleanup("Unity.AI.Navigation.Tests." + nameof(SimpleScene2PlanesNavigationSetup))]
class OffMeshLinkMultipleAddComponent
{
const string k_SceneName = "OffMeshLinkTwoPlanesScene";
GameObject m_LinkGO;
[UnitySetUp]
public IEnumerator UnitySetUp()
{
yield return SceneManager.LoadSceneAsync(k_SceneName, LoadSceneMode.Additive);
yield return null;
SceneManager.SetActiveScene(SceneManager.GetSceneByName(k_SceneName));
m_LinkGO = new GameObject("OffMeshLinkMultipleAddComponent");
}
[Test]
[UnityPlatform(exclude = new[] { RuntimePlatform.OSXServer, RuntimePlatform.WindowsServer, RuntimePlatform.LinuxServer })]
public void OffMeshLink_WhenMultipleAddedToGameObject_AreAllUsable()
{
var a = GameObject.Find("plane1").GetComponent<Transform>();
var b = GameObject.Find("plane2").GetComponent<Transform>();
Assert.That(a, Is.Not.Null, "Plane1 is missing.");
Assert.That(b, Is.Not.Null, "Plane2 is missing.");
var pathAB = new NavMeshPath();
var pathBA = new NavMeshPath();
var foundAB = NavMesh.CalculatePath(a.position, b.position, -1, pathAB);
var foundBA = NavMesh.CalculatePath(b.position, a.position, -1, pathBA);
Assert.That(foundAB, Is.True, "Found unexpected path A->B.");
Assert.That(foundBA, Is.True, "Found unexpected path B->A.");
// Create setup where one GO has two OffMeshLinks with 'Bi Directional' set to false
AddOneWayLink(a, b);
AddOneWayLink(b, a);
// Tests that path a->b and b->a are valid and have same end-points (mirrored).
foundAB = NavMesh.CalculatePath(a.position, b.position, -1, pathAB);
foundBA = NavMesh.CalculatePath(b.position, a.position, -1, pathBA);
Assert.That(foundAB, Is.True, "No path from A->B");
Assert.That(foundBA, Is.True, "No path from B->A");
var d1 = Vector3.Distance(pathAB.corners[0], pathBA.corners[pathBA.corners.Length - 1]);
var d2 = Vector3.Distance(pathAB.corners[pathAB.corners.Length - 1], pathBA.corners[0]);
Assert.That(d1, Is.EqualTo(0.0f).Within(1e-5f), "Endpoint mismatch: A start -> B end.");
Assert.That(d2, Is.EqualTo(0.0f).Within(1e-5f), "Endpoint mismatch: B start -> A end.");
}
void AddOneWayLink(Transform start, Transform end)
{
var offMeshLink = m_LinkGO.AddComponent<NavMeshLink>();
Assert.That(offMeshLink, Is.Not.Null, "Failed to create NavMeshLink.");
offMeshLink.bidirectional = false;
offMeshLink.startTransform = start;
offMeshLink.endTransform = end;
// we modified the endpoint references above - now explicitly update positions.
offMeshLink.UpdateLink();
}
[UnityTearDown]
public IEnumerator UnityTearDown()
{
Object.DestroyImmediate(m_LinkGO);
yield return SceneManager.UnloadSceneAsync(k_SceneName);
}
}
}