-- direction defines
FORWARD = 0
BACKWARD = 1

-- size defines
SMALL = 0
MEDIUM = 1
LARGE = 2


-- types of guns
MACHINE_GUN = 0
LASER_GUN = 1
FLAME_GUN = 2

-- armor
LIGHT = 0
-- MEDIUM already defined as 1
HEAVY = 2

-- mine types
PROXIMITY = 0
TIMED = 1


-- nothing
NONE = -1

-- true/false
TRUE = 1
FALSE = 0

-- gun defines
NUM_GUNS = 0 -- 1 and 2 are only other valid options
GUN_STRENTH = 0 -- other valid options 1 or 2
GUN_TYPE = NONE

-- has 1 proximity mine
NUM_MINES = 0
MINE_STRENGTH = NONE
MINE_TYPE = NONE

-- will be mult be 32 to get the real sight
SIGHT = 5

FLYER = FALSE
BUILDER = FALSE -- not a builder
MINER = TRUE -- but it is a miner

MOVEDIR = FORWARD

-- scrap x and y position
SCRAP_X = 0
SCRAP_Y = 0

-- whether robot has a target
TARGETS = FALSE
TARGETX = 0
TARGETY = 0
NUMTARGETS = 0


function callProperties()
   getSkin("miner.png", "miner2.png")
   getName("Miner")
   getGuns(NUM_GUNS, GUN_STRENTH, GUN_TYPE)
   getMines(NUM_MINES, MINE_STRENGTH, MINE_TYPE)
   getSight(SIGHT)
   getType(SMALL, BUILDER, MINER, FLYER)
end

-- randomly numbers become more random
math.randomseed( os.time() ) 

-- wander aimlessly along the map
function wander()

   -- move forward most of the time
   if (math.random(1,1000) == 10) then
      MOVEDIR = BACKWARD
      -- rotate (math.random(360))
   end
   
   if (math.random(1,100) == 10) then
      MOVEDIR = FORWARD
   end
   
   -- calls our hardcoded robot move function
   move(ROBOTNUM, MOVEDIR)
      
   -- every so often pick a new random direction
   if math.random(1,500) == 50 then -- if random event happens (1 out of 100 chance)
     rotate(ROBOTNUM, math.random(360)) -- pick a new random rotation
   end
   
end

-- culmination of all AI routines go here
function ai()

   getNumTargets(ROBOTNUM)

   if (TARGETS == TRUE and math.random(1,3)==2) then
      -- select a 'random' target
       getClosestTarget(ROBOTNUM)

       gotoTarget(ROBOTNUM, TARGETX, TARGETY)
       --print("X: " .. TARGETX .. " Y: " .. TARGETY)
      
   else 
      wander()
   end

end