/*
 * State Transitions

      Start
  (peer connect)
        |
        v
      /-----------------\
      |                 |
      |    Created      |
      |                 |
      \-----------------/
               |                  depending of the incoming packet
               +---------------------------------------
               v                                      |
+-----------------------------+        +-----------------------------+
|IN:                          |        |IN:                          |
| TOSERVER_INIT_LEGACY        |-----   | TOSERVER_INIT               |      invalid playername,
+-----------------------------+    |   +-----------------------------+  password (for _LEGACY),
               |                   |                  |                       or denied by mod
               | Auth ok           -------------------+---------------------------------
               |                                      |                                |
+-----------------------------+        +-----------------------------+                 |
|OUT:                         |        |OUT:                         |                 |
| TOCLIENT_INIT_LEGACY        |        | TOCLIENT_HELLO              |                 |
+-----------------------------+        +-----------------------------+                 |
               |                                      |                                |
               |                                      |                                |
               v                                      v                                |
      /-----------------\                    /-----------------\                       |
      |                 |                    |                 |                       |
      |  AwaitingInit2  |<---------          |    HelloSent    |                       |
      |                 |         |          |                 |                       |
      \-----------------/         |          \-----------------/                       |
               |                  |                   |                                |
+-----------------------------+   |    *-----------------------------*     Auth fails  |
|IN:                          |   |    |Authentication, depending on |-----------------+
| TOSERVER_INIT2              |   |    | packet sent by client       |                 |
+-----------------------------+   |    *-----------------------------*                 |
               |                  |                   |                                |
               |                  |                   | Authentication                 |
               v                  |                   |  successful                    |
      /-----------------\         |                   v                                |
      |                 |         |    +-----------------------------+                 |
      |    InitDone     |         |    |OUT:                         |                 |
      |                 |         |    | TOCLIENT_AUTH_ACCEPT        |                 |
      \-----------------/         |    +-----------------------------+                 |
               |                  |                   |                                |
+-----------------------------+   ---------------------                                |
|OUT:                         |                                                        |
| TOCLIENT_MOVEMENT           |                                                        |
| TOCLIENT_ITEMDEF            |                                                        |
| TOCLIENT_NODEDEF            |                                                        |
| TOCLIENT_ANNOUNCE_MEDIA     |                                                        |
| TOCLIENT_DETACHED_INVENTORY |                                                        |
| TOCLIENT_TIME_OF_DAY        |                                                        |
+-----------------------------+                                                        |
               |                                                                       |
               |                                                                       |
               |      -----------------------------                                    |
               v      |                           |                                    |
      /-----------------\                         v                                    |
      |                 |             +-----------------------------+                  |
      | DefinitionsSent |             |IN:                          |                  |
      |                 |             | TOSERVER_REQUEST_MEDIA      |                  |
      \-----------------/             | TOSERVER_RECEIVED_MEDIA     |                  |
               |                      +-----------------------------+                  |
               |      ^                           |                                    |
               |      -----------------------------                                    |
               |                                                                       |
+-----------------------------+                        --------------------------------+
|IN:                          |                        |                               |
| TOSERVER_CLIENT_READY       |                        v                               |
+-----------------------------+        +-------------------------------+               |
               |                       |OUT:                           |               |
               v                       | TOCLIENT_ACCESS_DENIED_LEGAGY |               |
+-----------------------------+        +-------------------------------+               |
|OUT:                         |                        |                               |
| TOCLIENT_MOVE_PLAYER        |                        v                               |
| TOCLIENT_PRIVILEGES         |                /-----------------\                     |
| TOCLIENT_INVENTORY_FORMSPEC |                |                 |                     |
| UpdateCrafting              |                |     Denied      |                     |
| TOCLIENT_INVENTORY          |                |                 |                     |
| TOCLIENT_HP (opt)           |                \-----------------/                     |
| TOCLIENT_BREATH             |                                                        |
| TOCLIENT_DEATHSCREEN        |                                                        |
+-----------------------------+                                                        |
              |                                                                        |
              v                                                                        |
      /-----------------\      async mod action (ban, kick)                            |
      |                 |---------------------------------------------------------------
      |     Active      |
      |                 |----------------------------------
      \-----------------/      timeout                    |
               |                            +-----------------------------+
               |                            |OUT:                         |
               |                            | TOCLIENT_DISCONNECT         |
               |                            +-----------------------------+
               |                                          |
               |                                          v
+-----------------------------+                    /-----------------\
|IN:                          |                    |                 |
| TOSERVER_DISCONNECT         |------------------->|  Disconnecting  |
+-----------------------------+                    |                 |
                                                   \-----------------/
*/