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https://github.com/OpenDiablo2/OpenDiablo2
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c52c6648dd
Systems now place all of their component factories into a `Components` member. This improves code readability and makes it clear when we are dealing specifically with ecs components. The concrete ComponentFactory instances now have `Add` and `Get` methods (as opposed to `AddAlpha` or `GetAlpha`). This enforces naming of component factories as to avoid collisions when embedded in a struct with other components. Also, the ComponentFactory interface is embedded directly into the concrete component factory without a name.
43 lines
1.2 KiB
Go
43 lines
1.2 KiB
Go
//nolint:dupl,golint,stylecheck // component declarations are supposed to look the same
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package d2components
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import (
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"github.com/gravestench/akara"
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"github.com/OpenDiablo2/OpenDiablo2/d2common/d2fileformats/d2cof"
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)
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// static check that Cof implements Component
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var _ akara.Component = &Cof{}
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// Cof is a component that contains an embedded cof struct
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type Cof struct {
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*d2cof.COF
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}
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// New returns a new Cof component. By default, it contains a nil instance.
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func (*Cof) New() akara.Component {
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return &Cof{}
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}
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// CofFactory is a wrapper for the generic component factory that returns Cof component instances.
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// This can be embedded inside of a system to give them the methods for adding, retrieving, and removing a Cof.
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type CofFactory struct {
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*akara.ComponentFactory
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}
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// Add adds a Cof component to the given entity and returns it
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func (m *CofFactory) Add(id akara.EID) *Cof {
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return m.ComponentFactory.Add(id).(*Cof)
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}
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// Get returns the Cof component for the given entity, and a bool for whether or not it exists
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func (m *CofFactory) Get(id akara.EID) (*Cof, bool) {
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component, found := m.ComponentFactory.Get(id)
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if !found {
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return nil, found
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}
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return component.(*Cof), found
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}
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