Add events bus

addon/event_bus.go

@@ -0,0 +1,42 @@
+package addon
+
+import "github.com/WinPooh32/suslik"
+
+type EventsBus struct {
+	suslik.Game
+
+	cur []interface{}
+	new []interface{}
+}
+
+func NewEventsBus() *EventsBus {
+	return &EventsBus{
+		cur: make([]interface{}, 0, 128),
+		new: make([]interface{}, 0, 128),
+	}
+}
+
+func (bus *EventsBus) Send(event interface{}) {
+	bus.new = append(bus.new, event)
+}
+
+func (bus *EventsBus) Events() []interface{} {
+	return bus.cur
+}
+
+func (bus *EventsBus) EventsImmediate() []interface{} {
+	return bus.new
+}
+
+func (bus *EventsBus) Reset() {
+	bus.cur = bus.cur[:0]
+	bus.new = bus.new[:0]
+}
+
+func (bus *EventsBus) Update(dt float32) {
+	bus.next()
+}
+
+func (bus *EventsBus) next() {
+	bus.cur, bus.new = bus.new, bus.cur[:0]
+}