public BufferFromEntity <T> GetBufferFromEntity <T>(int typeIndex, bool isReadOnly = false)
where T : struct, IBufferElementData
{
#if ENABLE_UNITY_COLLECTIONS_CHECKS
return(new BufferFromEntity <T>(typeIndex, Entities, isReadOnly,
ComponentJobSafetyManager.GetSafetyHandle(typeIndex, isReadOnly),
ComponentJobSafetyManager.GetBufferSafetyHandle(typeIndex)));
#else
return(new BufferFromEntity <T>(typeIndex, m_Entities, isReadOnly));
#endif
}
public ArchetypeChunkBufferType <T> GetArchetypeChunkBufferType <T>(bool isReadOnly)
where T : struct, IBufferElementData
{
#if ENABLE_UNITY_COLLECTIONS_CHECKS
var typeIndex = TypeManager.GetTypeIndex <T>();
return(new ArchetypeChunkBufferType <T>(
ComponentJobSafetyManager.GetSafetyHandle(typeIndex, isReadOnly),
ComponentJobSafetyManager.GetBufferSafetyHandle(typeIndex),
isReadOnly, GlobalSystemVersion));
#else
return(new ArchetypeChunkBufferType <T>(isReadOnly, GlobalSystemVersion));
#endif
}
internal AtomicSafetyHandle GetBufferSafetyHandle(int indexInComponentGroup)
{
var type = m_GroupData->RequiredComponents + indexInComponentGroup;
return(m_SafetyManager.GetBufferSafetyHandle(type->TypeIndex));
}
public DynamicBuffer <T> GetBuffer <T>(Entity entity) where T : struct, IBufferElementData
{
var typeIndex = TypeManager.GetTypeIndex <T>();
#if ENABLE_UNITY_COLLECTIONS_CHECKS
Entities->AssertEntityHasComponent(entity, typeIndex);
if (TypeManager.GetTypeInfo <T>().Category != TypeManager.TypeCategory.BufferData)
{
throw new ArgumentException(
$"GetBuffer<{typeof(T)}> may not be IComponentData or ISharedComponentData; currently {TypeManager.GetTypeInfo<T>().Category}");
}
#endif
ComponentJobSafetyManager.CompleteReadAndWriteDependency(typeIndex);
BufferHeader *header = (BufferHeader *)Entities->GetComponentDataWithTypeRW(entity, typeIndex, Entities->GlobalSystemVersion);
#if ENABLE_UNITY_COLLECTIONS_CHECKS
return(new DynamicBuffer <T>(header, ComponentJobSafetyManager.GetSafetyHandle(typeIndex, false), ComponentJobSafetyManager.GetBufferSafetyHandle(typeIndex), false));
#else
return(new DynamicBuffer <T>(header));
#endif
}