// ----------------------------------------------------------------------------------------------------------
// PUBLIC
// ----------------------------------------------------------------------------------------------------------
public static Archetype *GetOrCreateArchetype(ComponentTypeInArchetype *inTypesSorted, int count,
EntityComponentStore *entityComponentStore)
{
var srcArchetype = entityComponentStore->GetExistingArchetype(inTypesSorted, count);
if (srcArchetype != null)
{
return(srcArchetype);
}
srcArchetype = entityComponentStore->CreateArchetype(inTypesSorted, count);
var types = stackalloc ComponentTypeInArchetype[count + 1];
// Setup Instantiable archetype
{
UnsafeUtility.MemCpy(types, inTypesSorted, sizeof(ComponentTypeInArchetype) * count);
var hasCleanup = false;
var removedTypes = 0;
var prefabTypeIndex = TypeManager.GetTypeIndex <Prefab>();
var cleanupTypeIndex = TypeManager.GetTypeIndex <CleanupEntity>();
for (var t = 0; t < srcArchetype->TypesCount; ++t)
{
var type = srcArchetype->Types[t];
hasCleanup |= type.TypeIndex == cleanupTypeIndex;
var skip = type.IsSystemStateComponent || type.TypeIndex == prefabTypeIndex;
if (skip)
{
++removedTypes;
}
else
{
types[t - removedTypes] = srcArchetype->Types[t];
}
}
// Entity has already been destroyed, so it shouldn't be instantiated anymore
if (hasCleanup)
{
srcArchetype->InstantiableArchetype = null;
}
else if (removedTypes > 0)
{
var instantiableArchetype = GetOrCreateArchetype(types, count - removedTypes, entityComponentStore);
srcArchetype->InstantiableArchetype = instantiableArchetype;
Assert.IsTrue(instantiableArchetype->InstantiableArchetype == instantiableArchetype);
Assert.IsTrue(instantiableArchetype->SystemStateResidueArchetype == null);
}
else
{
srcArchetype->InstantiableArchetype = srcArchetype;
}
}
// Setup System state cleanup archetype
if (srcArchetype->SystemStateCleanupNeeded)
{
var cleanupEntityType = new ComponentTypeInArchetype(ComponentType.ReadWrite <CleanupEntity>());
bool cleanupAdded = false;
types[0] = inTypesSorted[0];
var newTypeCount = 1;
for (var t = 1; t < srcArchetype->TypesCount; ++t)
{
var type = srcArchetype->Types[t];
if (type.IsSystemStateComponent)
{
if (!cleanupAdded && (cleanupEntityType < srcArchetype->Types[t]))
{
types[newTypeCount++] = cleanupEntityType;
cleanupAdded = true;
}
types[newTypeCount++] = srcArchetype->Types[t];
}
}
if (!cleanupAdded)
{
types[newTypeCount++] = cleanupEntityType;
}
var systemStateResidueArchetype = GetOrCreateArchetype(types, newTypeCount, entityComponentStore);
srcArchetype->SystemStateResidueArchetype = systemStateResidueArchetype;
Assert.IsTrue(systemStateResidueArchetype->SystemStateResidueArchetype == systemStateResidueArchetype);
Assert.IsTrue(systemStateResidueArchetype->InstantiableArchetype == null);
}
// Setup meta chunk archetype
if (count > 1)
{
types[0] = new ComponentTypeInArchetype(typeof(Entity));
int metaArchetypeTypeCount = 1;
for (int i = 1; i < count; ++i)
{
var t = inTypesSorted[i];
ComponentType typeToInsert;
if (inTypesSorted[i].IsChunkComponent)
{
typeToInsert = new ComponentType
{
TypeIndex = TypeManager.ChunkComponentToNormalTypeIndex(t.TypeIndex)
};
SortingUtilities.InsertSorted(types, metaArchetypeTypeCount++, typeToInsert);
}
}
if (metaArchetypeTypeCount > 1)
{
SortingUtilities.InsertSorted(types, metaArchetypeTypeCount++, new ComponentType(typeof(ChunkHeader)));
srcArchetype->MetaChunkArchetype = GetOrCreateArchetype(types, metaArchetypeTypeCount, entityComponentStore);
}
}
return(srcArchetype);
}
