605 lines
18 KiB
C#
605 lines
18 KiB
C#
using System;
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using System.Collections.Generic;
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using Xunit;
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namespace Server.Tests.Tests.Maps;
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[Collection("Sequential Server Tests")]
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public class ItemByDistanceEnumeratorTests
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{
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[Fact]
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public void ItemByDistanceEnumerator_ReturnsNearbyItems()
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{
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var map = Map.Felucca;
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var center = new Point3D(100, 100, 0);
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const int range = 5;
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var Items = new TestItem[3];
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try
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{
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Items[0] = CreateItem(map, new Point3D(102, 102, 0)); // Within range
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Items[1] = CreateItem(map, new Point3D(98, 98, 0)); // Within range
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Items[2] = CreateItem(map, new Point3D(110, 110, 0)); // Outside range
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var found = new List<Item>();
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foreach (var (Item, _) in map.GetItemsInRangeByDistance(center, range))
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{
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found.Add(Item);
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}
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Assert.Equal(2, found.Count);
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Assert.Contains(Items[0], found);
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Assert.Contains(Items[1], found);
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Assert.DoesNotContain(Items[2], found);
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}
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finally
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{
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DeleteAll(Items);
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}
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}
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[Fact]
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public void ItemByDistanceEnumerator_DeletedItemsAreSkipped()
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{
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var map = Map.Felucca;
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var center = new Point3D(200, 200, 0);
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const int range = 5;
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var Items = new TestItem[3];
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try
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{
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Items[0] = CreateItem(map, new Point3D(202, 202, 0));
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Items[1] = CreateItem(map, new Point3D(203, 202, 0));
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Items[2] = CreateItem(map, new Point3D(204, 202, 0));
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Items[1].Delete();
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var found = new List<Item>();
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foreach (var (Item, _) in map.GetItemsInRangeByDistance(center, range))
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{
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found.Add(Item);
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}
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Assert.Equal(2, found.Count);
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Assert.Contains(Items[0], found);
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Assert.Contains(Items[2], found);
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Assert.DoesNotContain(Items[1], found);
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}
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finally
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{
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DeleteAll(Items);
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}
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}
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[Fact]
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public void ItemByDistanceEnumerator_ReturnsMinDistance()
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{
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var map = Map.Felucca;
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var center = new Point3D(300, 300, 0);
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const int range = 10;
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var Items = new TestItem[2];
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try
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{
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Items[0] = CreateItem(map, new Point3D(305, 305, 0));
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Items[1] = CreateItem(map, new Point3D(302, 302, 0));
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var foundWithDistance = new List<(Item, int)>();
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foreach (var result in map.GetItemsInRangeByDistance(center, range))
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{
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foundWithDistance.Add(result);
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}
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Assert.Equal(2, foundWithDistance.Count);
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// Each Item should have a non-negative min distance
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Assert.All(foundWithDistance, item => Assert.True(item.Item2 >= 0));
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}
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finally
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{
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DeleteAll(Items);
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}
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}
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[Fact]
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public void ItemByDistanceEnumerator_OrderedBySector()
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{
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var map = Map.Felucca;
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var center = new Point3D(400, 400, 0);
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const int range = Map.SectorSize * 2;
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var Items = new TestItem[3];
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try
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{
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// Place Items in different sectors
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Items[0] = CreateItem(map, new Point3D(center.X + 2, center.Y + 2, 0));
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Items[1] = CreateItem(map, new Point3D(center.X + Map.SectorSize + 2, center.Y + 2, 0));
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Items[2] = CreateItem(map, new Point3D(center.X + 2, center.Y + Map.SectorSize + 2, 0));
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var found = new List<Item>();
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foreach (var (Item, _) in map.GetItemsInRangeByDistance(center, range))
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{
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found.Add(Item);
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}
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Assert.Equal(3, found.Count);
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Assert.Contains(Items[0], found);
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Assert.Contains(Items[1], found);
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Assert.Contains(Items[2], found);
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}
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finally
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{
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DeleteAll(Items);
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}
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}
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[Fact]
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public void ItemByDistanceEnumerator_MapNullYieldsEmpty()
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{
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var center = new Point2D(0, 0);
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var bounds = new Rectangle2D(center.m_X - 10, center.m_Y - 10, 21, 21);
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var enumerator = new Map.ItemDistanceEnumerable<Item>(null, bounds, center, false).GetEnumerator();
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Assert.False(enumerator.MoveNext());
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}
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[Fact]
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public void ItemByDistanceEnumerator_ThrowsOnVersionChange()
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{
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var map = Map.Felucca;
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var center = new Point3D(500, 500, 0);
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const int range = 5;
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var Items = new[]
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{
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CreateItem(map, new Point3D(502, 502, 0)),
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CreateItem(map, new Point3D(503, 502, 0))
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};
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try
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{
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var enumerator = map.GetItemsInRangeByDistance(center, range).GetEnumerator();
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Assert.True(enumerator.MoveNext());
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Items[1].Delete();
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// Ref structs cannot be captured in lambdas, so we test the exception directly
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var exceptionThrown = false;
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try
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{
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enumerator.MoveNext();
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}
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catch (InvalidOperationException)
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{
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exceptionThrown = true;
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}
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Assert.True(exceptionThrown, "Expected InvalidOperationException when collection version changes");
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}
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finally
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{
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DeleteAll(Items);
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}
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}
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[Fact]
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public void ItemByDistanceEnumerator_ZeroRangeReturnsOnlyCenter()
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{
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var map = Map.Felucca;
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var center = new Point3D(600, 600, 0);
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const int range = 0;
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var Items = new TestItem[2];
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try
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{
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Items[0] = CreateItem(map, center); // Exact center
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Items[1] = CreateItem(map, new Point3D(601, 600, 0)); // 1 tile away
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var found = new List<Item>();
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foreach (var (Item, _) in map.GetItemsInRangeByDistance(center, range))
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{
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found.Add(Item);
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}
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Assert.Single(found);
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Assert.Equal(Items[0], found[0]);
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}
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finally
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{
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DeleteAll(Items);
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}
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}
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[Fact]
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public void ItemByDistanceEnumerator_FiltersByType()
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{
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var map = Map.Felucca;
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var center = new Point3D(700, 700, 0);
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const int range = 5;
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var testItem2 = new TestItem2(World.NewItem);
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var testItem = new TestItem(World.NewItem);
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try
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{
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testItem2.MoveToWorld(new Point3D(702, 702, 0), map);
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testItem.MoveToWorld(new Point3D(703, 702, 0), map);
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var foundPlayers = new List<TestItem2>();
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foreach (var (Item, _) in map.GetItemsInRangeByDistance<TestItem2>(center, range))
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{
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foundPlayers.Add(Item);
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}
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Assert.Single(foundPlayers);
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Assert.Equal(testItem2, foundPlayers[0]);
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}
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finally
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{
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testItem2.Delete();
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testItem.Delete();
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}
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}
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[Fact]
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public void ItemByDistanceEnumerator_UsesDifferentPointOverloads()
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{
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var map = Map.Felucca;
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var center = new Point3D(800, 800, 5);
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const int range = 5;
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var Items = new TestItem[1];
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try
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{
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Items[0] = CreateItem(map, new Point3D(802, 802, 0));
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// Test Point3D overload
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var found1 = new List<Item>();
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foreach (var (Item, _) in map.GetItemsInRangeByDistance(center, range))
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{
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found1.Add(Item);
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}
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// Test (int, int) overload
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var found2 = new List<Item>();
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foreach (var (Item, _) in map.GetItemsInRangeByDistance<Item>(center.X, center.Y, range))
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{
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found2.Add(Item);
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}
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// Test Point2D overload
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var found3 = new List<Item>();
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foreach (var (Item, _) in map.GetItemsInRangeByDistance(new Point2D(center.X, center.Y), range))
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{
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found3.Add(Item);
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}
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Assert.Single(found1);
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Assert.Equal(Items[0], found1[0]);
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Assert.Equal(found1, found2);
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Assert.Equal(found1, found3);
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}
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finally
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{
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DeleteAll(Items);
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}
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}
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[Fact]
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public void ItemByDistanceEnumerator_RingTraversal()
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{
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var map = Map.Felucca;
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var center = new Point3D(900, 900, 0);
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const int range = Map.SectorSize * 2;
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var Items = new TestItem[4];
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try
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{
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// Place Items in different rings around the center
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Items[0] = CreateItem(map, center); // Ring 0 (center sector)
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Items[1] = CreateItem(map, new Point3D(center.X + Map.SectorSize, center.Y, 0)); // Ring 1
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Items[2] = CreateItem(map, new Point3D(center.X, center.Y + Map.SectorSize, 0)); // Ring 1
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Items[3] = CreateItem(map, new Point3D(center.X + Map.SectorSize * 2 - 1, center.Y, 0)); // Ring 2
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var found = new List<Item>();
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var distances = new List<int>();
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foreach (var (Item, minDistance) in map.GetItemsInRangeByDistance(center, range))
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{
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found.Add(Item);
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distances.Add(minDistance);
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}
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// All Items should be found
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Assert.Equal(4, found.Count);
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Assert.Contains(Items[0], found);
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Assert.Contains(Items[1], found);
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Assert.Contains(Items[2], found);
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Assert.Contains(Items[3], found);
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// Items should be processed by sector distance (ring-based)
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// The center Item should have distance 0
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var centerIndex = found.IndexOf(Items[0]);
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Assert.Equal(0, distances[centerIndex]);
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}
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finally
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{
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DeleteAll(Items);
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}
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}
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[Fact]
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public void ItemByDistanceEnumerator_MapBoundsAreClamped()
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{
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var map = Map.Felucca;
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var width = map.Width;
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var height = map.Height;
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var center = new Point3D(width - 2, height - 2, 0);
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const int range = Map.SectorSize * 2;
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var Items = new TestItem[1];
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try
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{
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Items[0] = CreateItem(map, center);
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var found = new List<Item>();
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foreach (var (Item, _) in map.GetItemsInRangeByDistance(center, range))
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{
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found.Add(Item);
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}
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Assert.Single(found);
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Assert.Equal(Items[0], found[0]);
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}
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finally
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{
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DeleteAll(Items);
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}
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}
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[Fact]
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public void ItemByDistanceEnumerator_NegativeRangeIsZero()
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{
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var map = Map.Felucca;
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var center = new Point3D(1000, 1000, 0);
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const int range = -5;
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var Items = new TestItem[2];
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try
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{
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Items[0] = CreateItem(map, center);
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Items[1] = CreateItem(map, new Point3D(1001, 1000, 0)); // 1 tile away
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var found = new List<Item>();
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foreach (var (Item, _) in map.GetItemsInRangeByDistance(center, range))
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{
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found.Add(Item);
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}
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// With negative range creating a 1x1 bounds, only exact center matches
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Assert.Single(found);
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Assert.Equal(Items[0], found[0]);
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}
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finally
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{
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DeleteAll(Items);
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}
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}
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[Fact]
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public void ItemByDistanceEnumerator_MultipleRings()
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{
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var map = Map.Felucca;
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var center = new Point3D(1100, 1100, 0);
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const int range = Map.SectorSize * 3;
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var Items = new List<TestItem>();
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try
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{
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// Create a grid of Items across multiple sectors
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for (var ringOffset = 0; ringOffset <= 2; ringOffset++)
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{
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for (var side = 0; side < 4; side++)
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{
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var offset = ringOffset * Map.SectorSize;
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Point3D pos = side switch
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{
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0 => new Point3D(center.X + offset, center.Y, 0),
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1 => new Point3D(center.X, center.Y + offset, 0),
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2 => new Point3D(center.X - offset, center.Y, 0),
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_ => new Point3D(center.X, center.Y - offset, 0)
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};
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Items.Add(CreateItem(map, pos));
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}
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}
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var found = new List<Item>();
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foreach (var (Item, _) in map.GetItemsInRangeByDistance(center, range))
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{
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found.Add(Item);
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}
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// Should find all Items within range
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Assert.True(found.Count > 0);
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Assert.All(found, Item =>
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{
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var dx = Item.X - center.X;
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var dy = Item.Y - center.Y;
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var distSq = dx * dx + dy * dy;
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Assert.True(distSq <= range * range);
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});
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}
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finally
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{
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foreach (var Item in Items)
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{
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Item?.Delete();
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}
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}
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}
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private static TestItem CreateItem(Map map, Point3D location)
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{
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var Item = new TestItem(World.NewItem);
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Item.MoveToWorld(location, map);
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return Item;
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}
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private static void DeleteAll(TestItem[] Items)
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{
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for (var i = 0; i < Items.Length; i++)
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{
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Items[i]?.Delete();
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}
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}
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[Fact]
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public void ItemByDistanceEnumerator_Bounds_FindsItemsInBounds()
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{
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var map = Map.Felucca;
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var bounds = new Rectangle2D(100, 100, 50, 50);
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var Items = new TestItem[3];
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try
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{
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// Item inside bounds
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Items[0] = CreateItem(map, new Point3D(120, 120, 0));
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// Item at edge of bounds
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Items[1] = CreateItem(map, new Point3D(149, 149, 0));
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// Item outside bounds
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Items[2] = CreateItem(map, new Point3D(200, 200, 0));
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var found = new List<Item>();
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foreach (var (Item, _) in map.GetItemsInBoundsByDistance<Item>(bounds))
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{
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found.Add(Item);
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}
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Assert.Equal(2, found.Count);
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Assert.Contains(Items[0], found);
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Assert.Contains(Items[1], found);
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Assert.DoesNotContain(Items[2], found);
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}
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finally
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{
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DeleteAll(Items);
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}
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}
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[Fact]
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public void ItemByDistanceEnumerator_Bounds_MakeBoundsInclusive()
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{
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var map = Map.Felucca;
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var bounds = new Rectangle2D(100, 100, 50, 50);
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var Items = new TestItem[2];
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try
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{
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// Item at edge (inclusive)
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Items[0] = CreateItem(map, new Point3D(149, 149, 0));
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// Item just outside edge (will be included with makeBoundsInclusive)
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Items[1] = CreateItem(map, new Point3D(150, 150, 0));
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var foundWithoutInclusive = new List<Item>();
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foreach (var (Item, _) in map.GetItemsInBoundsByDistance<Item>(bounds))
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{
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foundWithoutInclusive.Add(Item);
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}
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var foundWithInclusive = new List<Item>();
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foreach (var (Item, _) in map.GetItemsInBoundsByDistance<Item>(bounds, true))
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{
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foundWithInclusive.Add(Item);
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}
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Assert.Single(foundWithoutInclusive);
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Assert.Contains(Items[0], foundWithoutInclusive);
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Assert.Equal(2, foundWithInclusive.Count);
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Assert.Contains(Items[0], foundWithInclusive);
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Assert.Contains(Items[1], foundWithInclusive);
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}
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finally
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{
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DeleteAll(Items);
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}
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}
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[Fact]
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public void ItemByDistanceEnumerator_Bounds_ReturnsMinDistance()
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{
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var map = Map.Felucca;
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var bounds = new Rectangle2D(300, 300, 20, 20);
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var Items = new TestItem[2];
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try
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{
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Items[0] = CreateItem(map, new Point3D(305, 305, 0));
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Items[1] = CreateItem(map, new Point3D(315, 315, 0));
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var foundWithDistance = new List<(Item, int)>();
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foreach (var result in map.GetItemsInBoundsByDistance<Item>(bounds))
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{
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foundWithDistance.Add(result);
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}
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Assert.Equal(2, foundWithDistance.Count);
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Assert.All(foundWithDistance, item => Assert.True(item.Item2 >= 0));
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}
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finally
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{
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DeleteAll(Items);
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}
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}
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[Fact]
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public void ItemByDistanceEnumerator_Bounds_OrdersByProximityToCenter()
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{
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var map = Map.Felucca;
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var bounds = new Rectangle2D(500, 500, 64, 64);
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var Items = new TestItem[3];
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try
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{
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// Place Items at different distances from center
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Items[0] = CreateItem(map, new Point3D(532, 532, 0)); // At center
|
|
Items[1] = CreateItem(map, new Point3D(548, 532, 0)); // 16 tiles away
|
|
Items[2] = CreateItem(map, new Point3D(563, 563, 0)); // Far corner
|
|
|
|
var found = new List<(Item, int)>();
|
|
foreach (var result in map.GetItemsInBoundsByDistance<Item>(bounds))
|
|
{
|
|
found.Add(result);
|
|
}
|
|
|
|
Assert.Equal(3, found.Count);
|
|
|
|
// Verify ordering by distance - closer Items should be found earlier (lower minDistance)
|
|
var Item0Index = found.FindIndex(x => x.Item1 == Items[0]);
|
|
var Item1Index = found.FindIndex(x => x.Item1 == Items[1]);
|
|
var Item2Index = found.FindIndex(x => x.Item1 == Items[2]);
|
|
|
|
// The minDistance should increase (or stay the same) as we go through the list
|
|
Assert.True(found[Item0Index].Item2 <= found[Item1Index].Item2);
|
|
Assert.True(found[Item1Index].Item2 <= found[Item2Index].Item2);
|
|
}
|
|
finally
|
|
{
|
|
DeleteAll(Items);
|
|
}
|
|
}
|
|
|
|
// Test implementation of Item
|
|
private class TestItem : Item
|
|
{
|
|
public TestItem(Serial serial) : base(serial)
|
|
{
|
|
}
|
|
}
|
|
|
|
private class TestItem2 : Item
|
|
{
|
|
public TestItem2(Serial serial) : base(serial)
|
|
{
|
|
}
|
|
}
|
|
}
|
|
|