The world is a rectangle 60 by 100 squares on a side. The world consists of sea (.), land (+), uncontrolled cities (*), computer-controlled cities (X), and cities that you control (O).

Starting options:
  Enemy Start:
    - Entrenched enemy (default)
    - 1 vs 1 (second stage)
  Fog of War: 0) 100% intel 1) knows map 2) Fog of War + sees units 3) Fog of War + blind without units
  MapSize: x,y
  Message Delay
  # WaterPercentage
  # Smoothness


Storing data
pickle-file:
  Units:
    Unit:
      Type
      Side
      Location
      Action
      Order
  Cities:
   City:
     Location
     Side
     Order
     Stage
  Terrain:
    x
    y
    type

numpad keys:
49 t/m 57

Keys:
c: cities
 p: pause
 b: build
   a: army
   f: fighter
   p: patrol boat
   d: destoryer
   s: submarine
   t: troop transport
   c: aircraft carrier
   b: battleship
   z: Satellite
u: units
  direction: move/attack/load
  u+l: unload (for transport/carrier)
  s: entry/sleep
  w: waypoint (tells unit to move to x position)
n: give AI x turns
g: give AI 1 turn
q: save and quit
l: log

sealevel: -0.37 = 0.38

-------------------------------
Layers:
  Fog of War - Black
  Fog of War - Unit-Intel
  Units - Atmosphere
  Cities
  Units - Sky
  Units - Group
  Terrain
-------------------------------
# from PIL import Image, ImageDraw

#  def saveWorldToImage(self):
#    img = Image.new('RGB', (self.width,self.height))
#    for y in range(1,self.height+1):
#      for x in range(1,self.width+1):
#        if self.map[x][y] == "c":
#          img.putpixel( (x-1,y-1), (255,0,0) )
#        elif self.map[x][y] == "l":
#          img.putpixel( (x-1,y-1), (0,255,0) )
#        else:
#          img.putpixel( (x-1,y-1), (0,0,255) )
#    d = ImageDraw.Draw(img)
#    d.text( (1,1), "SL: "+str(self.sealevel))
#    return img