func (c *Cluster) ChunkConnection(x, z int64, h MessageHandler) (*InternalConnection, error) {
x, z = world.ChunkCoordsToNode(x, z)
zm := c.ChunkNodes[z]
if zm == nil {
return nil, ErrMissingChunk
}
node := zm[x]
if node == nil {
return nil, ErrMissingChunk
}
if node.Connection != nil {
return node.Connection, nil
}
conn, err := ConnectInternal(node.Meta.Addr, h)
if err != nil {
return nil, err
}
node.Connection = conn
return conn, nil
}
func (s *Server) HandleMessage(message interface{}, conn *network.InternalConnection) {
switch req := message.(type) {
case *protobuf.ChatMessage:
player := s.Players[req.Uuid]
message := protocol.CreateJsonMessage("<"+player.Username+"> "+req.Message, "")
log.Printf("Chat: %s", message.Message)
for uuid, p := range s.Players {
p.Conn.SendMessage(&protobuf.ChatMessage{
Message: message.String(),
Uuid: uuid,
})
}
case *protobuf.BlockUpdate:
for uuid, p := range s.Players {
p.Conn.SendMessage(&protobuf.BlockUpdate{
X: req.X,
Y: req.Y,
Z: req.Z,
BlockId: req.BlockId,
BlockMetadata: req.BlockMetadata,
Uuid: uuid,
})
}
case *protobuf.PlayerAction:
player, action := req.GetPlayer(), req.GetAction()
switch action {
case protobuf.PlayerAction_JOIN:
s.Players[player.Uuid] = &PlayerEntity{
Player: protobuf.Player{
Uuid: player.Uuid,
Username: player.Username,
EntityId: player.EntityId,
X: 0,
HeadY: 105,
FeetY: 105 - 1.62,
Z: 0,
},
LastX: 0,
LastY: 105 - 1.62,
LastZ: 0,
Conn: conn,
}
log.Printf("Player joined (%d): %s", player.EntityId, player.Username)
cx, cz := world.ChunkCoordsToNode(0, 0)
for ix := cx; ix >= cx-world.ChunkWidthPerNode; ix -= world.ChunkWidthPerNode {
for iz := cz; iz >= cz-world.ChunkWidthPerNode; iz -= world.ChunkWidthPerNode {
conn, err := s.Cluster.ChunkConnection(ix, iz, s)
if err != nil {
log.Printf("Chunk subscription error (%d, %d): %s", ix, iz, err)
continue
}
conn.SendMessage(&protobuf.Subscription{
Subscribe: true,
})
}
}
for uuid, p := range s.Players {
p.Conn.SendMessage(&protobuf.PlayerAction{
Player: &s.Players[player.Uuid].Player,
Action: protobuf.PlayerAction_JOIN,
Uuid: uuid,
})
if uuid != player.Uuid {
conn.SendMessage(&protobuf.PlayerAction{
Player: &p.Player,
Action: protobuf.PlayerAction_JOIN,
Uuid: player.Uuid,
})
}
}
case protobuf.PlayerAction_MOVE_ABSOLUTE:
responseType := protobuf.PlayerAction_MOVE_RELATIVE
tmp := s.Players[player.Uuid]
if req.Flags&1 == 1 {
if math.Abs(player.X-tmp.LastX) > 3 ||
math.Abs(player.FeetY-tmp.LastY) > 3 ||
math.Abs(player.Z-tmp.LastZ) > 3 {
responseType = protobuf.PlayerAction_MOVE_ABSOLUTE
tmp.LastX = player.X
tmp.LastY = player.FeetY
tmp.LastZ = player.Z
}
}
for uuid, p := range s.Players {
if uuid != player.Uuid {
sendPlayer := protobuf.Player{
Uuid: player.Uuid,
EntityId: tmp.EntityId,
}
if responseType == protobuf.PlayerAction_MOVE_ABSOLUTE {
sendPlayer.X = player.X
sendPlayer.HeadY = player.HeadY
sendPlayer.FeetY = player.FeetY
sendPlayer.Z = player.Z
} else if req.Flags&1 == 1 {
sendPlayer.X = player.X - tmp.X
sendPlayer.FeetY = player.FeetY - tmp.FeetY
sendPlayer.Z = player.Z - tmp.Z
}
if req.Flags&2 == 2 {
sendPlayer.Pitch = player.Pitch
sendPlayer.Yaw = player.Yaw
}
p.Conn.SendMessage(&protobuf.PlayerAction{
Player: &sendPlayer,
Action: responseType,
Uuid: uuid,
Flags: req.Flags,
})
}
}
if req.Flags&1 == 1 {
tmp.X = player.X
tmp.HeadY = player.HeadY
tmp.FeetY = player.FeetY
tmp.Z = player.Z
}
if req.Flags&2 == 2 {
tmp.Pitch = player.Pitch
tmp.Yaw = player.Yaw
}
case protobuf.PlayerAction_LEAVE:
tmp := s.Players[player.Uuid]
delete(s.Players, player.Uuid)
log.Printf("Player left: %s", tmp.Username)
for uuid, p := range s.Players {
sendPlayer := protobuf.Player{
Uuid: player.Uuid,
Username: tmp.Username,
EntityId: tmp.EntityId,
}
p.Conn.SendMessage(&protobuf.PlayerAction{
Player: &sendPlayer,
Action: protobuf.PlayerAction_LEAVE,
Uuid: uuid,
})
}
}
}
}