;; lobo: Logo Bolo
;; (c) Ben Kurtovic, 2011-2012

to ai-do-cycle
  if ai-objective = "nothing" [
    set ai-objective ai-get-objective
  ]
  if ai-objective = "base-run" [
    ai-do-base-run
  ]
  if ai-objective = "place-pill" [
    ai-do-place-pill
  ]
  if ai-objective = "refuel" [
    ai-do-refuel
  ]
  if ai-objective = "capture-pill" [
    ai-do-capture-pill
  ]
  if ai-objective = "capture-base" [
    ai-do-capture-base
  ]
  if ai-objective = "attack-player" [
    ai-do-attack-player
  ]
end

to-report ai-get-objective
  if any? bases with [team = -1] [
    report "base-run"
   ]
  if number-of-pills > 0 [
    report "place-pill"
  ]
  if any? pillboxes with [team != 1] and ammunition > 4 and armor > 6 [
    report "capture-pill"
  ]
  if any? bases with [team = 0] and ammunition > (max-ammo / 2) and armor > 2 [
    report "capture-base"
  ]
  if player != nobody and ammunition > (max-ammo / 2) and armor > 2 [
    report "attack-player"
  ]
  if any? bases with [team = 1] and (ammunition < max-ammo or armor < max-armor) [
    report "refuel"
  ]
  if player != nobody [
    report "attack-player"
  ]
  report "nothing"
end

to ai-do-base-run
  let mxcor xcor
  let mycor ycor
  let target min-one-of (bases with [team = -1]) [distancexy mxcor mycor]
  let dist ai-approach-target target 0.1
  if dist < 0.1 [
    set ai-objective "nothing"
  ]
end

to ai-do-place-pill
  let mxcor xcor
  let mycor ycor
  let target min-one-of bases [distancexy mxcor mycor]
  let dist ai-approach-target target 1
  if dist < 2 [
    place-pill
  ]
  set ai-objective "nothing"
end

to ai-do-refuel
  let mxcor xcor
  let mycor ycor
  let target min-one-of (bases with [team = 1]) [distancexy mxcor mycor]
  let dist ai-approach-target target 0.1
  if dist < 1 and ammunition > (max-ammo / 2) and armor > (max-armor / 2) [
    set ai-objective "nothing"
  ]
end

to ai-do-capture-pill
  let mxcor xcor
  let mycor ycor
  let target min-one-of (pillboxes with [team != 1]) [distancexy mxcor mycor]
  let dist ai-approach-target target 2
  ifelse number-of-pills > 0 or ammunition = 0 [
    set ai-objective "nothing"
  ] [
    if dist < 5 and [armor] of target > 0 [
      fire
    ]
    if [armor] of target = 0 [
      set dist ai-approach-target target 0.1
    ]
  ]
end

to ai-do-capture-base
  let mxcor xcor
  let mycor ycor
  let target min-one-of (bases with [team != 1]) [distancexy mxcor mycor]
  let dist ai-approach-target target 2
  ifelse target = nobody or ammunition = 0 [
    set ai-objective "nothing"
  ] [
    if dist < 5 and [armor] of target > 0 [
      fire
    ]
    if [armor] of target = 0 [
      set dist ai-approach-target target 0.1
    ]
  ]
end

to ai-do-attack-player
  let mxcor xcor
  let mycor ycor
  ifelse player = nobody [
    set ai-objective "nothing"
  ] [
    let dist ai-approach-target player 1
    if ammunition = 0 [
      set ai-objective "nothing"
    ]
    if dist < 5 [
      fire
    ]
  ]
end

to-report ai-approach-target [target min-dist]
  if target != nobody [
    tank-facexy ([xcor] of target) ([ycor] of target)
    set is-accelerating? true
    let dist distancexy ([xcor] of target) ([ycor] of target)
    if dist < 2 and speed > 0.075 [
      decelerate friction * 5
    ]
    if dist < min-dist [
      set is-accelerating? false
      set speed speed / 2
    ]
    report dist
  ]
  report 0
end