public unsafe void ShoudlCopyPtrData()
{
//arrange
using var memory = new DynamicAllocator(_logFactory);
var specifcation = new EntitySpec(
ComponentType <Position> .Type
);
var specIndex = 0;
using var chunkArray = new EntityChunkList(_logFactory, memory, specifcation, specIndex);
using var entityPool = new EntityPool(_logFactory, memory);
var entity = entityPool.TakeRef();;
chunkArray.Create(entity);
var componentType = stackalloc[] { ComponentType <Position> .Type };
var componentIndex = chunkArray.Specification.GetComponentIndex(*componentType);
var span = chunkArray.AllChunks[entity.ChunkIndex].PackedArray.GetComponentData <Position>();
//act
var ptr = stackalloc[] { new Position(100, 100), new Position(200, 200), new Position(400, 100), new Position(100, 400) };
var src = (void *)ptr;
Span <EntityRef> entityRefs = stackalloc[] { entity };
chunkArray.Copy(specIndex, componentType, ref src, entityRefs, false);
//assert
span[0].X.ShouldBe(100);
span[0].Y.ShouldBe(100);
}
public unsafe void ShouldCreateManyEntities()
{
//arrange
using var memory = new DynamicAllocator(_logFactory);
var specification = new EntitySpec(
ComponentType <Position> .Type,
ComponentType <Velocity> .Type
);
using var entityChunk = new EntityChunk(_logFactory, memory, specification, 0, 0);
using var entityPool = new EntityPool(_logFactory, memory);
Span <EntityRef> ids = stackalloc EntityRef[entityChunk.Free + 1];
entityPool.Take(ids);
//act
var created = entityChunk.Create(ids);
//assert
entityChunk.Entities[0].ShouldBe(ids[0]);
entityChunk.Entities[created - 1].ShouldBe(ids[created - 1]);
entityChunk.Count.ShouldBe(created);
entityChunk.Free.ShouldBe(0);
created.ShouldBe(Entity.ENTITY_MAX);
}
public void ShouldDeleteAndMove()
{
//arrange
using var memory = new DynamicAllocator(_logFactory);
var specifcation = new EntitySpec(
ComponentType <Position> .Type
);
using var chunkArray = new EntityChunkList(_logFactory, memory, specifcation, 0);
using var entityPool = new EntityPool(_logFactory, memory);
var id0 = entityPool.TakeRef();
var id1 = entityPool.TakeRef();
//act
chunkArray.Create(id0);
chunkArray.Create(id1);
var span = chunkArray.AllChunks[0].PackedArray.GetComponentData <Position>();
span[id1.Index] = new Position(10, 20);
chunkArray.Delete(id0);
//assert
span[id0.Index].X.ShouldBe(10);
span[id0.Index].Y.ShouldBe(20);
}
public void ShouldCreateOneEntity()
{
//arrange
using var memory = new DynamicAllocator(_logFactory);
var specification = new EntitySpec(
ComponentType <Position> .Type,
ComponentType <Velocity> .Type
);
using var entityChunk = new EntityChunk(_logFactory, memory, specification, 0, 0);
using var entityPool = new EntityPool(_logFactory, memory);
var id0 = entityPool.TakeRef();
//act
var free = entityChunk.Free;
entityChunk.Create(id0);
//assert
id0.Index.ShouldBe(0);
entityChunk.Entities[0].ShouldBe(id0);
entityChunk.Count.ShouldBe(1);
entityChunk.Free.ShouldBe(free - 1);
}
public void ShouldHaveAny()
{
var spec = new EntitySpec(
ComponentType <Valid> .Type,
ComponentType <Valid2> .Type,
ComponentType <Valid3> .Type,
ComponentType <Valid4> .Type
);
var valid = new[]
{
new EntitySpec(ComponentType <Valid> .Type, ComponentType <Valid2> .Type, ComponentType <Valid3> .Type),
new EntitySpec(ComponentType <Valid2> .Type, ComponentType <Valid6> .Type, ComponentType <Valid4> .Type),
new EntitySpec(ComponentType <Valid> .Type, ComponentType <Valid4> .Type),
new EntitySpec(ComponentType <Valid> .Type),
new EntitySpec(ComponentType <Valid5> .Type, ComponentType <Valid2> .Type, ComponentType <Valid3> .Type, ComponentType <Valid4> .Type)
};
for (var i = 0; i < valid.Length; i++)
{
spec.HasAny(valid[i]).ShouldBe(true);
}
var invalid = new[]
{
new EntitySpec(ComponentType <Valid6> .Type),
new EntitySpec(ComponentType <Valid5> .Type),
new EntitySpec(ComponentType <Valid6> .Type, ComponentType <Valid5> .Type)
};
for (var i = 0; i < invalid.Length; i++)
{
spec.HasAny(invalid[i]).ShouldBe(false);
}
}
public void ShouldDeleteOneEntity()
{
//arrange
using var memory = new DynamicAllocator(_logFactory);
var specification = new EntitySpec(ComponentType <Position> .Type);
using var entityChunk = new EntityChunk(_logFactory, memory, specification, 0, 0);
var span = entityChunk.PackedArray.GetComponentData <Position>(0);
using var entityPool = new EntityPool(_logFactory, memory);
//act
span[0] = new Position(1);
span[1] = new Position(2);
var id0 = entityPool.TakeRef();
var id1 = entityPool.TakeRef();
var free = entityChunk.Free;
entityChunk.Create(id0);
entityChunk.Create(id1);
entityChunk.Delete(id0);
//assert
entityChunk.Count.ShouldBe(1);
entityChunk.Free.ShouldBe(free - 1);
//entityChunk.Get(id0).ShouldBe(id1);
span[0].ShouldBe(new Position(2));
}
public void ShouldDeleteManyEntities()
{
using var memory = new HeapAllocator(_logFactory);
using var em = new EntityManager(_logFactory, memory);
using var buffer = new EntityCommandBuffer(em, memory);
var spec = new EntitySpec(ComponentType <Position> .Type, ComponentType <Velocity> .Type);
const int samples = 32;
var ids = new uint[samples];
em.Create(spec, ids);
var idsToDelete = new[] { ids[0], ids[11], ids[22], ids[23], ids[3], ids[2], ids[15], ids[17], ids[29], ids[21] };
buffer.Delete(idsToDelete);
buffer.Execute();
em.EntityCount.ShouldBe(samples - idsToDelete.Length);
em.EntityArrays[0].EntityCount.ShouldBe(samples - idsToDelete.Length);
var entities = em.EntityArrays[0].AllChunks[0].Entities.ToArray();
var remainingIds = entities.Select(x => x.ID).ToArray();
remainingIds.Any(x => idsToDelete.Contains(x)).ShouldBe(false);
var otherIds = ids.Where(x => !idsToDelete.Contains(x)).ToArray();
remainingIds.All(x => otherIds.Contains(x)).ShouldBe(true);
}
public void ShouldAssignManyWithOne()
{
using var memory = new HeapAllocator(_logFactory);
using var em = new EntityManager(_logFactory, memory);
using var buffer = new EntityCommandBuffer(em, memory);
var spec = new EntitySpec(ComponentType <Velocity> .Type);
var position = new Position(10, 10);
const int samples = 32;
var ids = new uint[samples];
em.Create(spec, ids);
buffer.Assign(ids, position);
buffer.Execute();
em.EntityCount.ShouldBe(32);
em.EntityArrays.Count.ShouldBe(2);
em.EntityArrays[0].EntityCount.ShouldBe(0);
em.EntityArrays[1].EntityCount.ShouldBe(32);
var positions = ids.Select(id => em.Get <Position>(id)).ToArray();
positions.ShouldAllBe(x => x == position);
}
public void ShouldCreateChunkArray()
{
//arrange
using var memory = new DynamicAllocator(_logFactory);
var specifcation = new EntitySpec(
ComponentType <Position> .Type
);
using var chunkArray = new EntityChunkList(_logFactory, memory, specifcation, 0);
using var entityPool = new EntityPool(_logFactory, memory);
var id0 = entityPool.TakeRef();
var id1 = entityPool.TakeRef();
//act
chunkArray.Create(id0);
chunkArray.Create(id1);
//assert
chunkArray.EntityCount.ShouldBe(2);
id0.Index.ShouldBe(0);
id1.Index.ShouldBe(1);
id0.ChunkIndex.ShouldBe(0);
id1.ChunkIndex.ShouldBe(0);
}
public void ShouldReplaceManyWithMany()
{
using var memory = new HeapAllocator(_logFactory);
using var em = new EntityManager(_logFactory, memory);
using var buffer = new EntityCommandBuffer(em, memory);
var spec = new EntitySpec(ComponentType <Position> .Type, ComponentType <Velocity> .Type);
const int samples = 32;
var positions = Enumerable.Range(0, samples).Select(x => new Position(x, 10)).ToArray();
var ids = new uint[samples];
em.Create(spec, ids);
buffer.Replace(ids, positions.AsSpan());
buffer.Execute();
em.EntityCount.ShouldBe(32);
em.EntityArrays[0].EntityCount.ShouldBe(32);
var positionResults = ids.Select(id => em.Get <Position>(id)).ToArray();
positionResults.ShouldBe(positions);
}
public unsafe void ShouldCreateManyEntities()
{
//arrange
using var memory = new DynamicAllocator(_logFactory);
var specifcation = new EntitySpec(ComponentType <Position> .Type);
using var chunkArray = new EntityChunkList(_logFactory, memory, specifcation, 0);
using var entityPool = new EntityPool(_logFactory, memory);
var entities = new EntityRef[Entity.ENTITY_MAX * 2];
entityPool.Take(entities);
//act
chunkArray.Create(entities);
// //assert
// var created = createdEntities.ToArray();
// var first = created.Take(Entity.ENTITY_MAX).ToArray();
// var firstSet = Enumerable.Range(0, Entity.ENTITY_MAX).Select(x => new CreatedEntity(0, x)).ToArray();
// first.ShouldBe(firstSet);
// var second = created.Skip(Entity.ENTITY_MAX).Take(Entity.ENTITY_MAX).ToArray();
// var secondSet = Enumerable.Range(0, Entity.ENTITY_MAX).Select(x => new CreatedEntity(1, x)).ToArray();
// second.ShouldBe(secondSet);
chunkArray.ChunkCount.ShouldBe(2);
chunkArray.EntityCount.ShouldBe(entities.Length);
}
public EntityChunkList(ILoggerFactory logFactory, IAllocator allocator, EntitySpec specification, int specIndex)
{
_logFactory = logFactory;
_logger = logFactory.CreateLogger <EntityChunkList>();
_allocator = allocator;
Specification = specification;
SpecIndex = specIndex;
}
internal EntityChunk(ILoggerFactory logFactory, IAllocator allocator, EntitySpec specifcation, int specIndex, int chunkIndex)
{
_logFactory = logFactory;
_logger = _logFactory.CreateLogger <EntityChunk>();
_allocator = allocator;
Specification = specifcation;
PackedArray = new ComponentPackedArray(logFactory, _allocator, specifcation);
_entityRefs = new NativeList <EntityRef>(_allocator, PackedArray.Length);
SpecIndex = specIndex;
ChunkIndex = chunkIndex;
}
public void ShouldRemoveManyWithMany()
{
using var memory = new HeapAllocator(_logFactory);
using var em = new EntityManager(_logFactory, memory);
using var buffer = new EntityCommandBuffer(em, memory);
var spec = new EntitySpec(ComponentType <Velocity> .Type, ComponentType <Position> .Type, ComponentType <Filler> .Type);
const int samples = 32;
var ids = new uint[samples];
em.Create(spec, ids);
var idsToChange = new[] { ids[0], ids[11], ids[22], ids[23], ids[3], ids[2], ids[15], ids[17], ids[29], ids[21] };
var remainingIds = ids.Where(x => !idsToChange.Contains(x)).ToArray();
var typesToRemove = new[] { spec.ComponentTypes[1], spec.ComponentTypes[2] };
buffer.Remove(idsToChange, typesToRemove);
buffer.Execute();
em.EntityCount.ShouldBe(samples);
em.EntityArrays.Count.ShouldBe(2);
em.EntityArrays[0].EntityCount.ShouldBe(samples - idsToChange.Length);
em.EntityArrays[1].EntityCount.ShouldBe(idsToChange.Length);
var entities0 = em.EntityArrays[0].AllChunks[0].Entities.ToArray();
entities0.Any(x => idsToChange.Contains(x.ID)).ShouldBe(false);
entities0.All(x => remainingIds.Contains(x.ID)).ShouldBe(true);
var entities1 = em.EntityArrays[1].AllChunks[0].Entities.ToArray();
entities1.Any(x => remainingIds.Contains(x.ID)).ShouldBe(false);
entities1.All(x => idsToChange.Contains(x.ID)).ShouldBe(true);
var positionResults = idsToChange.Select(id => em.Has <Position>(id)).ToArray();
positionResults.ShouldAllBe(x => x == false);
var fillerResults = idsToChange.Select(id => em.Has <Filler>(id)).ToArray();
fillerResults.ShouldAllBe(x => x == false);
var velocityResults = idsToChange.Select(id => em.Has <Velocity>(id)).ToArray();
velocityResults.ShouldAllBe(x => x == true);
}
public void EntitySpecGroupShouldNotMatchDifferentGroup()
{
var a = new EntitySpec(new IEntitySpecGroup[] { new GroupA()
{
HashCode = 1
} }, ComponentType <Valid> .Type, ComponentType <Valid2> .Type);
var b = new EntitySpec(new IEntitySpecGroup[] { new GroupB()
{
HashCode = 1
} }, ComponentType <Valid2> .Type, ComponentType <Valid> .Type);
a.ID.ShouldNotBe(b.ID);
a.GetGroupData <GroupA>().HashCode.ShouldBe(1);
b.GetGroupData <GroupB>().HashCode.ShouldBe(1);
}
public void ShouldCreateManyEntity()
{
using var memory = new HeapAllocator(_logFactory);
using var em = new EntityManager(_logFactory, memory);
using var buffer = new EntityCommandBuffer(em, memory, 8);
var spec = new EntitySpec(ComponentType <Position> .Type, ComponentType <Velocity> .Type);
buffer.Create(spec, 16384);
buffer.Execute();
em.EntityCount.ShouldBe(16384);
em.EntityArrays[0].EntityCount.ShouldBe(16384);
}
internal ComponentPackedArray(ILoggerFactory logFactory, IAllocator allocator, EntitySpec specification)
{
_logFactory = logFactory;
_logger = _logFactory.CreateLogger <ComponentPackedArray>();
_allocator = allocator;
Specification = specification;
var _componentTypes = Specification.ComponentTypes;
_componentData = new ComponentDataArray[_componentTypes.Length];
for (var i = 0; i < _componentTypes.Length; i++)
{
_componentData[i] = new ComponentDataArray(_logFactory, _allocator, _componentTypes[i], Entity.ENTITY_MAX);
}
}
public void ShouldReplaceOne()
{
using var memory = new HeapAllocator(_logFactory);
using var em = new EntityManager(_logFactory, memory);
using var buffer = new EntityCommandBuffer(em, memory);
var spec = new EntitySpec(ComponentType <Position> .Type, ComponentType <Velocity> .Type);
var id = em.Create(spec);
buffer.Replace(id, new Position(10, 10));
buffer.Execute();
em.EntityCount.ShouldBe(1);
em.EntityArrays[0].EntityCount.ShouldBe(1);
em.Get <Position>(id).ShouldBe(new Position(10, 10));
}
public void Setup()
{
_logFactory = LoggerFactory.Create(builder =>
{
builder.AddConsole();
});
_memory = new HeapAllocator(_logFactory);
_entities = new EntityManager(_logFactory, _memory);
var spec = EntitySpec.Create <Position, Velocity>();
for (var i = 0; i < N; i++)
{
//TODO: bulk insert API
var entity = _entities.Create(spec);
}
}
public void CanCreatePackedArray()
{
//arrange
using var memory = new DynamicAllocator(_logFactory);
var specification = new EntitySpec(
ComponentType <Position> .Type,
ComponentType <Velocity> .Type
);
using var entityGroup = new ComponentPackedArray(_logFactory, memory, specification);
//act
var positions = entityGroup.GetComponentData <Position>();
var velocities = entityGroup.GetComponentData <Velocity>();
//assert
for (var i = 0; i < entityGroup.Length; i++)
{
ref var p = ref positions[i];
ref var v = ref velocities[i];
public void ShouldRemoveOne()
{
using var memory = new HeapAllocator(_logFactory);
using var em = new EntityManager(_logFactory, memory);
using var buffer = new EntityCommandBuffer(em, memory);
var spec = new EntitySpec(ComponentType <Velocity> .Type, ComponentType <Position> .Type);
var id = em.Create(spec);
buffer.Remove <Position>(id);
buffer.Execute();
em.EntityCount.ShouldBe(1);
em.EntityArrays.Count.ShouldBe(2);
em.EntityArrays[0].EntityCount.ShouldBe(0);
em.EntityArrays[1].EntityCount.ShouldBe(1);
em.Has <Position>(id).ShouldBe(false);
}
public void ShouldDeleteEntityOnLastComponentOne()
{
using var memory = new HeapAllocator(_logFactory);
using var em = new EntityManager(_logFactory, memory);
using var buffer = new EntityCommandBuffer(em, memory);
var spec = new EntitySpec(ComponentType <Position> .Type, ComponentType <Velocity> .Type);
const int samples = 32;
var ids = new uint[samples];
em.Create(spec, ids);
buffer.Remove(ids, spec.ComponentTypes);
buffer.Execute();
em.EntityCount.ShouldBe(0);
em.EntityArrays.Count.ShouldBe(1);
em.EntityArrays[0].EntityCount.ShouldBe(0);
}
public void ShouldUpdateManyWithMany()
{
using var memory = new HeapAllocator(_logFactory);
using var em = new EntityManager(_logFactory, memory);
using var buffer = new EntityCommandBuffer(em, memory);
var spec = new EntitySpec(ComponentType <Velocity> .Type);
const int samples = 32;
var ids = new uint[samples];
em.Create(spec, ids);
var idsToChange = new[] { ids[0], ids[11], ids[22], ids[23], ids[3], ids[2], ids[15], ids[17], ids[29], ids[21] };
var remainingIds = ids.Where(x => !idsToChange.Contains(x)).ToArray();
var positions = idsToChange.Select(x => new Position((int)x, 10)).ToArray();
buffer.Update(idsToChange, positions.AsSpan());
buffer.Execute();
em.EntityCount.ShouldBe(samples);
em.EntityArrays.Count.ShouldBe(2);
em.EntityArrays[0].EntityCount.ShouldBe(samples - idsToChange.Length);
em.EntityArrays[1].EntityCount.ShouldBe(idsToChange.Length);
var entities0 = em.EntityArrays[0].AllChunks[0].Entities.ToArray();
entities0.Any(x => idsToChange.Contains(x.ID)).ShouldBe(false);
entities0.All(x => remainingIds.Contains(x.ID)).ShouldBe(true);
var entities1 = em.EntityArrays[1].AllChunks[0].Entities.ToArray();
entities1.Any(x => remainingIds.Contains(x.ID)).ShouldBe(false);
entities1.All(x => idsToChange.Contains(x.ID)).ShouldBe(true);
var positionResults = idsToChange.Select(id => em.Get <Position>(id)).ToArray();
positionResults.ShouldBe(positions);
}
public unsafe void ShouldCopyMoreThanOne()
{
//arrange
using var memory = new DynamicAllocator(_logFactory);
var specifcation = new EntitySpec(
ComponentType <Position> .Type
);
var specIndex = 0;
using var chunkArray = new EntityChunkList(_logFactory, memory, specifcation, specIndex);
using var entityPool = new EntityPool(_logFactory, memory);
var entity0 = entityPool.TakeRef();
var entity1 = entityPool.TakeRef();
var entity2 = entityPool.TakeRef();
var entity3 = entityPool.TakeRef();
chunkArray.Create(entity0);
chunkArray.Create(entity1);
chunkArray.Create(entity2);
chunkArray.Create(entity3);
var componentType = stackalloc[] { ComponentType <Position> .Type };
var componentIndex = chunkArray.Specification.GetComponentIndex(*componentType);
var span = chunkArray.AllChunks[entity0.ChunkIndex].PackedArray.GetComponentData <Position>();
var ptr = stackalloc[] { new Position(100, 100), new Position(200, 200), new Position(400, 100), new Position(100, 400) };
var src = (void *)ptr;
Span <EntityRef> entityRefs = stackalloc[] {
entity0,
entity1,
//swapping 2 and 3 to see if we can resume correctly
entity3,
entity2,
};
//act
chunkArray.Copy(specIndex, componentType, ref src, entityRefs, true);
//assert
span[0].X.ShouldBe(100);
span[0].Y.ShouldBe(100);
span[1].X.ShouldBe(200);
span[1].Y.ShouldBe(200);
span[3].X.ShouldBe(400);
span[3].Y.ShouldBe(100);
span[2].X.ShouldBe(100);
span[2].Y.ShouldBe(400);
}
// public void ShouldMoveToAnotherArray()
// {
// //arrange
// var specifcation = new EntitySpec(
// ComponentType<Position>.Type
// );
// var srcArray = new EntityChunkArray(_logFactory, specifcation);
// var dstArray = new EntityChunkArray(_logFactory, specifcation);
// //act
// var srcIndex = srcArray.Create(1, out var chunkIndex);
// Console.WriteLine(chunkIndex);
// var srcSpan = srcArray.AllChunks[chunkIndex].PackedArray.GetComponentSpan<Position>();
// srcSpan[srcIndex] = new Position(10, 20);
// var tempIndex = dstArray.Create(2, out var tempChunkIndex); //pushing the datain dst to check that it inserted correctly
// EntityChunkArray.MoveTo(1, srcArray, chunkIndex, srcIndex, dstArray, out var dstChunkIndex, out var dstIndex);
// //assert
// chunkIndex.ShouldBe(0);
// srcIndex.ShouldBe(0);
// srcArray.EntityCount.ShouldBe(0);
// dstChunkIndex.ShouldBe(0);
// dstIndex.ShouldBe(1);
// dstArray.EntityCount.ShouldBe(2);
// var dstSpan = dstArray.AllChunks[dstChunkIndex].PackedArray.GetComponentSpan<Position>();
// dstSpan[dstIndex].X.ShouldBe(10);
// dstSpan[dstIndex].Y.ShouldBe(20);
// }
}
public unsafe void ShouldDeleteManyEntities()
{
//arrange
using var memory = new DynamicAllocator(_logFactory);
var specification = new EntitySpec(ComponentType <Position> .Type);
using var entityChunk = new EntityChunk(_logFactory, memory, specification, 0, 0);
using var entityPool = new EntityPool(_logFactory, memory);
var ids = new EntityRef[entityChunk.Free + 1];
entityPool.Take(ids);
var created = entityChunk.Create(ids);
var span = entityChunk.PackedArray.GetComponentData <Position>();
for (var i = 0; i < span.Length; i++)
{
span[i] = new Position(i + 1);
}
//act
Span <EntityRef> deleteIndicies = stackalloc EntityRef[128];
for (var i = 0; i < deleteIndicies.Length; i++)
{
deleteIndicies[i] = ids[i + 128];
}
entityChunk.Delete(deleteIndicies);
//assert
var first = Enumerable.Range(0, 128).Select(x => ids[x]).ToArray();
var second = Enumerable.Range(0, 128).Select(x => ids[Entity.ENTITY_MAX - x - 1]).ToArray();
var third = Enumerable.Range(256, Entity.ENTITY_MAX - 256 - 128).Select(x => ids[x]).ToArray();
var fourth = Enumerable.Range(0, 128).Select(x => 0).Select(x => 0u).ToArray();
var firstSet = entityChunk.Entities.Slice(0, 128).ToArray();
var secondSet = entityChunk.Entities.Slice(128, 128).ToArray();
var thirdSet = entityChunk.Entities.Slice(256, Entity.ENTITY_MAX - 256 - 128).ToArray();
//var fourthSet = entityChunk.Entities.Slice(Entity.ENTITY_MAX - 128, 128).ToArray();
firstSet.ShouldBe(first);
secondSet.ShouldBe(second);
thirdSet.ShouldBe(third);
//fourthSet.ShouldBe(fourth);
entityChunk.Entities.Length.ShouldBe(Entity.ENTITY_MAX - 128);
var firstPosition = Enumerable.Range(0, 128).Select(x => new Position(x + 1)).ToArray();
var secondPosition = Enumerable.Range(0, 128).Select(x => new Position(Entity.ENTITY_MAX - x)).ToArray();
var thirdPosition = Enumerable.Range(256, Entity.ENTITY_MAX - 256 - 128).Select(x => new Position(x + 1)).ToArray();
var firstSetPosition = span.Slice(0, 128).ToArray();
var secondSetPosition = span.Slice(128, 128).ToArray();
var thirdSetPosition = span.Slice(256, Entity.ENTITY_MAX - 256 - 128).ToArray();
firstSetPosition.ShouldBe(firstPosition);
secondSetPosition.ShouldBe(secondPosition);
thirdSetPosition.ShouldBe(thirdPosition);
#if DEBUG
//we only reset the data in debug mode for performance reasons
var fourthPosition = Enumerable.Range(0, 128).Select(x => new Position(0)).ToArray();
var fourthSetPosition = span.Slice(Entity.ENTITY_MAX - 128, 128).ToArray();
fourthSetPosition.ShouldBe(fourthPosition);
#endif
entityChunk.Count.ShouldBe(Entity.ENTITY_MAX - 128);
entityChunk.Free.ShouldBe(128);
}