MAZE_MAGIC     0x6D7A

ADD_PLAYER     0x4E45

HUNTER         0x4855

ILLEGAL_MOV    0xF000
PLAYER_MOV     0x4D4F
PLAYER_DC      0x4443
PLAYER_DIE     0x4B4F
PLAYER_WIN     0x5749
SRV_BUSY       0xEEEE

MAX_PLAYERNUM  32

all the magic numbers will be uint16_t...

TYPES
unsigned short    magical instruction things
short             Maze player locations (x, y)
unsigned char     Player number
char              Player name, SHOULD BE 32 BYTES (pad with zeroes)
unsigned int      sizes of things

Server: is TCP
handles 32 players max

- If the game already started and someone tries to connect, send SRV_BUSY
  and close the connection...

send the maze for the client.
* send MAZE_MAGIC
* send unsigned int, data width of maze (in unsigned chars) (MAZE.w)
* send unsigned int, size of maze in bytes
* send the whole maze byte by byte
* wait for MAZE_MAGIC packet

expect player name right after sending the maze (the player chooses name
before connecting)
* receive null terminated string

send current client player's number

add players to the connecting pre-game screen as they connect (as well as
the ones connected before this player, if any, AND the current player)
* send ADD_PLAYER
* send unsigned char player number
* send short X, Y in maze
* send null-terminated string for the name

Choose hunter (which means the game begins)
* send HUNTER
* send the unsigned char value of the hunter player

Player updates
==============

from server - other players to the client:

A player MOVES on the maze
* PLAYER_MOV
* unsigned char pnum, short x, short y
> Allow players to walk through each other???

A player wins
* send PLAYER_WIN
* send unsigned char pnum

Player disconnects/loses/get hunted
* send PLAYER_DC for disconnect
* send PLAYER_DIE for lose
* send unsigned char pnum
> clear the player from the screen

from the client to the server:

Move
* PLAYER_MOV
* short x, short y
* if the move is illegal, send ILLEGAL_MOV and don't send move update to
  players