meta: add example project

lavalink.go

@@ -26,8 +26,13 @@ var (
 )
 
 // NewLavalink creates a new Lavalink manager
-func NewLavalink() *Lavalink {
+func NewLavalink(shards int, userID int) *Lavalink {
-	return &Lavalink{}
+	return &Lavalink{
+		Shards:  shards,
+		UserID:  userID,
+		nodes:   make([]Node, 1),
+		players: make(map[string]*Player),
+	}
 }
 
 // AddNodes adds a node to the Lavalink manager

node.go

@@ -116,11 +116,11 @@ func (node *Node) onEvent(msgType int, msg []byte) error {
 
 		switch m.Type {
 		case eventTrackEnd:
-			err = (*player.handler).OnTrackEnd(player, m.Track, m.Reason)
+			err = player.handler.OnTrackEnd(player, m.Track, m.Reason)
 		case eventTrackException:
-			err = (*player.handler).OnTrackException(player, m.Track, m.Reason)
+			err = player.handler.OnTrackException(player, m.Track, m.Reason)
 		case eventTrackStuck:
-			err = (*player.handler).OnTrackStuck(player, m.Track, m.ThresholdMs)
+			err = player.handler.OnTrackStuck(player, m.Track, m.ThresholdMs)
 		}
 
 		return err
@@ -132,10 +132,7 @@ func (node *Node) onEvent(msgType int, msg []byte) error {
 }
 
 // CreatePlayer creates an audio player on this node
-func (node *Node) CreatePlayer(guildID string, sessionID string, event VoiceServerUpdate, handler *EventHandler) (*Player, error) {
+func (node *Node) CreatePlayer(guildID string, sessionID string, event VoiceServerUpdate, handler EventHandler) (*Player, error) {
-	if handler == nil {
-		return nil, errNilHandler
-	}
 	msg := message{
 		Op:        opVoiceUpdate,
 		GuildID:   guildID,

player.go

@@ -14,7 +14,7 @@ type Player struct {
 	position int
 	manager  *Lavalink
 	node     *Node
-	handler  *EventHandler
+	handler  EventHandler
 }
 
 // Play will play the given track completely