public void AddComponent(IEntityComponent myComponent)
{
if (myComponent == null)
{
throw new ArgumentNullException("Componenet is null");
}
if (componentList.Contains(myComponent))
{
return;
//take this code out if you want to have two of each component
}
componentList.Add(myComponent);
ComponentsDictionary.Add(myComponent.name, myComponent);
IEntityUpdateable updateable = myComponent as IEntityUpdateable;
IEntityDrawable drawable = myComponent as IEntityDrawable;
if (updateable != null)
{
updateableComponentList.Add(updateable);
}
if (drawable != null)
{
drawableComponentList.Add(drawable);
}
myComponent.Initialize();
myComponent.Start();
}
/// <summary>
/// Adds a component to this entity. Only allows one component of each type
/// to be in a single entity.
/// </summary>
/// <param name="aComponent">The component to add</param>
public void AddComponent(IEntityComponent aComponent)
{
if (aComponent == null)
{
throw new ArgumentNullException("component is null");
}
//if you would like more than one of any type of component into this entity,
//remove this if block.
if (_components.Contains(aComponent))
{
return;
}
//add to master and lookup list
_components.Add(aComponent);
Components.Add(aComponent.Name, aComponent);
IEntityUpdateable updateable = aComponent as IEntityUpdateable;
IEntityDrawable drawable = aComponent as IEntityDrawable;
//if the component can be updated, add it to that list
if (updateable != null)
{
_updateableComponents.Add(updateable);
updateable.UpdateOrderChanged += OnComponentUpdateOrderChanged;
OnComponentUpdateOrderChanged(this, EventArgs.Empty);
}
//if the component can be draw, add it to that list
if (drawable != null)
{
_drawableComponents.Add(drawable);
drawable.DrawOrderChanged += OnComponentDrawOrderChanged;
OnComponentDrawOrderChanged(this, EventArgs.Empty);
}
//if the entity has already initialized, call this item's initialize and start methods
if (_isInitialized)
{
aComponent.Initialize();
aComponent.Start();
}
}
/// <summary>
/// Attaches a component to this entity.
/// </summary>
/// <param name="component">The component to attach to the entity.</param>
public void AttachComponent(IEntityComponent component)
{
// Don't allow null parameters.
if (component == null)
{
throw new ArgumentNullException("Component is null.");
}
// Don't allow multiples of the same type of component
String id = component.ID;
for (int i = 0; i < components.Count; i++)
{
if (components[i].ID.Equals(id))
{
//throw new ArgumentException("Component already exists in entity.");
}
}
// Add the component
components.Add(component);
if (component is IEntityUpdateable)
{
updateableComponents.Add((IEntityUpdateable)component);
}
if (component is IEntityDrawable)
{
drawableComponents.Add((IEntityDrawable)component);
}
// Initialize the component if this entity has already been initialized.
if (isInitialized)
{
component.Initialize();
component.Start();
}
}
