private void CheckEntityWithProcessors(Entity entity, bool forceRemove, bool collecComponentTypesAndProcessors)
{
var components = entity.Components;
EntityComponent tc = null;
for (int i = 0; i < components.Count; i++)
{
var component = components[i];
if (component is TransformComponent)
{
// process the transform last, so parent stuff gets done first
tc = component;
}
else
{
CheckEntityComponentWithProcessors(entity, component, forceRemove, null);
if (collecComponentTypesAndProcessors)
{
CollectNewProcessorsByComponentType(component.GetType().GetTypeInfo());
}
}
}
if (tc != null)
{
CheckEntityComponentWithProcessors(entity, tc, forceRemove, null);
if (collecComponentTypesAndProcessors)
{
CollectNewProcessorsByComponentType(tc.GetType().GetTypeInfo());
}
}
}
private void CheckEntityComponentWithProcessors(Entity entity, EntityComponent component, bool forceRemove, List <EntityProcessor> dependentProcessors)
{
var componentType = component.GetType().GetTypeInfo();
EntityProcessorCollectionPerComponentType processorsForComponent;
if (MapComponentTypeToProcessors.TryGetValue(componentType, out processorsForComponent))
{
for (int i = 0; i < processorsForComponent.Count; i++)
{
processorsForComponent[i].ProcessEntityComponent(entity, component, forceRemove);
}
}
else
{
processorsForComponent = new EntityProcessorCollectionPerComponentType();
for (int j = 0; j < processors.Count; j++)
{
var processor = processors[j];
if (processor.Accept(componentType))
{
processorsForComponent.Add(processor);
processor.ProcessEntityComponent(entity, component, forceRemove);
}
if (processor.IsDependentOnComponentType(componentType))
{
if (processorsForComponent.Dependencies == null)
{
processorsForComponent.Dependencies = new List <EntityProcessor>();
}
processorsForComponent.Dependencies.Add(processor);
}
}
MapComponentTypeToProcessors.Add(componentType, processorsForComponent);
}
// Collect dependent processors
var processorsForComponentDependencies = processorsForComponent.Dependencies;
if (dependentProcessors != null && processorsForComponentDependencies != null)
{
for (int i = 0; i < processorsForComponentDependencies.Count; i++)
{
var processor = processorsForComponentDependencies[i];
if (!dependentProcessors.Contains(processor))
{
dependentProcessors.Add(processor);
}
}
}
}
internal void NotifyComponentChanged(Entity entity, int index, EntityComponent oldComponent, EntityComponent newComponent)
{
// No real update
if (oldComponent == newComponent)
{
return;
}
// If we have a new component we can try to collect processors for it
if (newComponent != null)
{
CollectNewProcessorsByComponentType(newComponent.GetType().GetTypeInfo());
RegisterPendingProcessors();
}
// Remove previous component from processors
currentDependentProcessors.Clear();
if (oldComponent != null)
{
CheckEntityComponentWithProcessors(entity, oldComponent, true, currentDependentProcessors);
}
// Add new component to processors
if (newComponent != null)
{
CheckEntityComponentWithProcessors(entity, newComponent, false, currentDependentProcessors);
}
// Update all dependencies
if (currentDependentProcessors.Count > 0)
{
UpdateDependentProcessors(entity, oldComponent, newComponent);
currentDependentProcessors.Clear();
}
// Notify component changes
OnComponentChanged(entity, index, oldComponent, newComponent);
}