Refactor into server object to handle registered accounts

pkg/game/world.go

@@ -0,0 +1,33 @@
+package game
+
+import "github.com/google/uuid"
+
+// World describes a self contained universe and everything in it
+type World struct {
+	instances []Instance
+}
+
+// Instance describes a single entity or instance of an entity in the world
+type Instance struct {
+	id uuid.UUID
+}
+
+// NewWorld creates a new world object
+func NewWorld() *World {
+	return &World{}
+}
+
+// Adds an instance to the game
+func (w *World) CreateInstance() uuid.UUID {
+	id := uuid.New()
+
+	// Initialise the instance
+	instance := Instance{
+		id: id,
+	}
+
+	// Append the instance to the list
+	w.instances = append(w.instances, instance)
+
+	return id
+}