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 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 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 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 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 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);
// }
}