mirror of
https://github.com/OpenDiablo2/OpenDiablo2
synced 2025-02-10 02:26:29 -05:00
0472233949
* animation renamed to sprite * renderable/surface renamed to texture * added in d2math: Vector2, Vector3, Vector4, Matrix3, Matrix4, Quaternion * worked a bit on the loading scene, main menu scene
46 lines
1.4 KiB
Go
46 lines
1.4 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/d2math"
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)
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// static check that Position implements Component
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var _ akara.Component = &Position{}
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// Position contains an embedded d2vector.Position, which is a vector with
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// helper methods for translating between screen, isometric, tile, and sub-tile space.
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type Position struct {
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*d2math.Vector3
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}
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// New creates a new Position. By default, the position is (0,0)
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func (*Position) New() akara.Component {
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return &Position{
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Vector3: d2math.NewVector3(0, 0, 0),
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}
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}
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// PositionFactory is a wrapper for the generic component factory that returns Position 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 Position.
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type PositionFactory struct {
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Position *akara.ComponentFactory
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}
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// AddPosition adds a Position component to the given entity and returns it
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func (m *PositionFactory) AddPosition(id akara.EID) *Position {
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return m.Position.Add(id).(*Position)
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}
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// GetPosition returns the Position component for the given entity, and a bool for whether or not it exists
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func (m *PositionFactory) GetPosition(id akara.EID) (*Position, bool) {
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component, found := m.Position.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.(*Position), found
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}
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