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 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];
internal static void CopyTo(ComponentPackedArray srcArray, int srcComponentIndex, int srcIndex, ComponentPackedArray dstArray, int dstComponentIndex, int dstIndex)
{
ComponentDataArray.CopyTo(srcArray._componentData[srcComponentIndex], srcIndex, dstArray._componentData[dstComponentIndex], dstIndex);
}