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 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 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 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 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 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 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 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);
}