internal void DestroyInstance()
{
PreDisposeCheck();
#if ENABLE_UNITY_COLLECTIONS_CHECKS
m_UniversalQuery._DisallowDisposing = null;
m_UniversalQueryWithChunks._DisallowDisposing = null;
#endif
m_UniversalQuery.Dispose();
m_UniversalQueryWithChunks.Dispose();
m_UniversalQuery = null;
m_UniversalQueryWithChunks = null;
m_DependencyManager->Dispose();
UnsafeUtility.Free(m_DependencyManager, Allocator.Persistent);
m_DependencyManager = null;
Entities.EntityComponentStore.Destroy(m_EntityComponentStore);
m_EntityComponentStore = null;
Entities.EntityQueryManager.Destroy(m_EntityQueryManager);
m_EntityQueryManager = null;
m_EntityQueryManager = null;
m_ExclusiveEntityTransaction.OnDestroy();
m_ManagedComponentStore.Dispose();
m_World = null;
m_Debug = null;
}
public EntityDataAccess(EntityManager entityManager, bool isMainThread)
{
m_EntityManager = GCHandle.Alloc(entityManager, GCHandleType.Weak);
EntityComponentStore = entityManager.EntityComponentStore;
EntityQueryManager = entityManager.EntityQueryManager;
DependencyManager = entityManager.DependencyManager;
m_IsMainThread = isMainThread;
m_EntityOnlyArchetype = default;
}
internal EntityManager(World world)
{
TypeManager.Initialize();
StructuralChange.Initialize();
EntityCommandBuffer.Initialize();
m_World = world;
m_DependencyManager =
(ComponentDependencyManager *)UnsafeUtility.Malloc(sizeof(ComponentDependencyManager), 64,
Allocator.Persistent);
m_DependencyManager->OnCreate();
m_EntityComponentStore = Entities.EntityComponentStore.Create(world.SequenceNumber << 32);
m_EntityQueryManager = Unity.Entities.EntityQueryManager.Create(m_DependencyManager);
m_ManagedComponentStore = new ManagedComponentStore();
m_EntityDataAccess = new EntityDataAccess(this, true);
m_ExclusiveEntityTransaction = new ExclusiveEntityTransaction(this);
m_UniversalQuery = CreateEntityQuery(
new EntityQueryDesc
{
Options = EntityQueryOptions.IncludePrefab | EntityQueryOptions.IncludeDisabled
}
);
m_UniversalQueryWithChunks = CreateEntityQuery(
new EntityQueryDesc
{
All = new[] { ComponentType.ReadWrite <ChunkHeader>() },
Options = EntityQueryOptions.IncludeDisabled | EntityQueryOptions.IncludePrefab
},
new EntityQueryDesc
{
Options = EntityQueryOptions.IncludeDisabled | EntityQueryOptions.IncludePrefab
}
);
#if ENABLE_UNITY_COLLECTIONS_CHECKS
m_UniversalQuery._DisallowDisposing = "EntityManager.UniversalQuery may not be disposed";
m_UniversalQueryWithChunks._DisallowDisposing = "EntityManager.UniversalQuery may not be disposed";
#endif
}
public static void Create(EntityQueryManager *queryManager, ComponentDependencyManager *dependencyManager)
{
queryManager->m_DependencyManager = dependencyManager;
queryManager->m_GroupDataChunkAllocator = new BlockAllocator(AllocatorManager.Persistent, 16 * 1024 * 1024); // 16MB should be enough
ref var groupCache = ref UnsafeUtility.As <UntypedUnsafeHashMap, UnsafeMultiHashMap <int, int> >(ref queryManager->m_EntityGroupDataCacheUntyped);