//nolint:dupl,golint,stylecheck // component declarations are supposed to look the same package d2components import ( "github.com/gravestench/akara" "github.com/OpenDiablo2/OpenDiablo2/d2common/d2math/d2vector" ) // static check that Scale implements Component var _ akara.Component = &Scale{} // Scale represents an entities x,y axis scale as a vector type Scale struct { *d2vector.Vector } // New creates a new Scale instance. By default, the scale is (1,1) func (*Scale) New() akara.Component { return &Scale{ Vector: d2vector.NewVector(1, 1), } } // ScaleFactory is a wrapper for the generic component factory that returns Scale component instances. // This can be embedded inside of a system to give them the methods for adding, retrieving, and removing a Scale. type ScaleFactory struct { Scale *akara.ComponentFactory } // AddScale adds a Scale component to the given entity and returns it func (m *ScaleFactory) AddScale(id akara.EID) *Scale { return m.Scale.Add(id).(*Scale) } // GetScale returns the Scale component for the given entity, and a bool for whether or not it exists func (m *ScaleFactory) GetScale(id akara.EID) (*Scale, bool) { component, found := m.Scale.Get(id) if !found { return nil, found } return component.(*Scale), found }