public static bool RemoveComponentReference(ComponentBoardBase componentBoard, ComponentType componentType, EntityBoardContainer entityBoard, GameEntityHandle entityHandle)
{
// todo: we need to have a real method for removing the component metadata on the column.
var previousComponentId = entityBoard.AssignComponentReference(entityHandle.Id, componentType.Id, 0);
if (previousComponentId > 0)
{
var refs = componentBoard.RemoveReference(previousComponentId, entityHandle);
// nobody reference this component anymore, let's remove the row
if (refs == 0)
{
componentBoard.DeleteRow(previousComponentId);
}
return(true);
}
return(false);
}
public static uint UpdateArchetype(ArchetypeBoardContainer archetypeBoard, ComponentTypeBoardContainer componentTypeBoard, EntityBoardContainer entityBoard, GameEntityHandle entityHandle)
{
var typeSpan = componentTypeBoard.Registered;
var foundIndex = 0;
Span <uint> founds = stackalloc uint[typeSpan.Length];
for (var i = 0; i != typeSpan.Length; i++)
{
var metadataSpan = entityBoard.GetComponentColumn(typeSpan[i].Id);
/*if (metadataSpan.Length <= entityHandle.Id) TODO:: if it bug again, just uncomment this
* continue;*/
if (metadataSpan[(int)entityHandle.Id].Valid)
{
founds[foundIndex++] = typeSpan[i].Id;
}
}
if (foundIndex > 128)
{
throw new InvalidOperationException("What are you trying to do with " + foundIndex + " components?");
}
var archetype = archetypeBoard.GetOrCreateRow(founds.Slice(0, foundIndex), true);
var currentArchetype = entityBoard.ArchetypeColumn[(int)entityHandle.Id];
if (currentArchetype.Id != archetype)
{
entityBoard.AssignArchetype(entityHandle.Id, archetype);
if (currentArchetype.Id > 0)
{
archetypeBoard.RemoveEntity(currentArchetype.Id, entityHandle.Id);
}
archetypeBoard.AddEntity(archetype, entityHandle.Id);
}
return(archetype);
}
public static bool AssignComponent(ComponentBoardBase componentBoard, ComponentReference componentReference, EntityBoardContainer entityBoard, GameEntityHandle entityHandle)
{
componentBoard.AddReference(componentReference.Id, entityHandle);
var previousComponentId = entityBoard.AssignComponentReference(entityHandle.Id, componentReference.Type.Id, componentReference.Id);
if (previousComponentId > 0)
{
var refs = componentBoard.RemoveReference(previousComponentId, entityHandle);
// nobody reference this component anymore, let's remove the row
if (refs == 0)
{
componentBoard.DeleteRow(previousComponentId);
}
return(false);
}
return(true);
}
