package events

type Delta uint64

type DeviceID int

type MouseMotion struct {
	Which  DeviceID
	Dx, Dy float32
	Delta
}

type MousePress struct {
	Delta
	Key                                  uint8
	Which                                DeviceID
	JustPressed, JustReleased, IsPressed bool
}

type WindowChange struct {
	Height, Width int32
}

type KeyPress struct {
	Delta
	Key                                  string
	Which                                DeviceID
	JustPressed, JustReleased, IsPressed bool
}

type Event interface {
	KeyPress | WindowChange | MousePress | MouseMotion
}

type Events []any

func OfType[T Event](events ...any) []T {
	var result []T
	for _, e := range events {
		if eT, ok := e.(T); ok {
			result = append(result, eT)
		}
	}
	return result
}