Add an inventory to the rover

pkg/game/items.go

@@ -0,0 +1,14 @@
+package game
+
+// Each item is a specific type
+const (
+	ItemNone = byte(0)
+
+	// Describes a single rock
+	ItemRock = byte(1)
+)
+
+// Item describes an item that can be held
+type Item struct {
+	Type byte `json:"type"`
+}

pkg/game/rover.go

@@ -18,6 +18,9 @@ type RoverAttributes struct {
 
 	// Pos represents where this rover is in the world
 	Pos vector.Vector `json:"pos"`
+
+	// Capacity represents the maximum number of items the rover can carry
+	Capacity int `json:"capacity"`
 }
 
 // Rover describes a single rover in the world
@@ -27,4 +30,7 @@ type Rover struct {
 
 	// Attributes represents the physical attributes of the rover
 	Attributes RoverAttributes `json:"attributes"`
+
+	// Inventory represents any items the rover is carrying
+	Inventory []Item `json:"inventory"`
 }

pkg/game/world.go

@@ -90,6 +90,7 @@ func (w *World) SpawnRover() (uuid.UUID, error) {
 		Attributes: RoverAttributes{
 			Speed:    1.0,
 			Range:    5.0,
+			Capacity: 5,
 			Name:     "rover",
 		},
 	}