Component functions
If we think about the behavior that we want, we need to be able to give an object a component of any given type. We also need to be able to fetch that same component later. We'll call these functions AttachComponent
and GetComponent
.
Earlier in the chapter, we identified how we can use templates to create a function with generic types and give them real values when we need them. We'll use templates and polymorphism to create these two functions.
Attaching a component
The first function that we're going to write will be used to attach a component of a given type to the Object
class. Since we've already identified that we're going to store all components in a single generic container, this function will be a relatively simple template. ...
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