# managers.ludic — the engine managers: the Map cell API, Sprite facing / run strip /
# flash / blink, IVec2 geometry, List.sample, Input.move_i, Fx, the audio bank,
# Camera.shake_for, timed Assets. Deterministic; prints:
#   35046 46 251 53 900 -1 20 324 0 10 102
program Managers {
  import "ludic.core/components.ludic"
  import "ludic.shooter/shooter.ludic"
  property Tag { n: int = 0 }
  model Thing { Position, Body, Sprite, Tag, TopDown }
  model WorldRules { Solids }
  state ManagersState {
    frames: int = 0
  }
  handler Tick(managers_st: mut ManagersState) phase Update {
    managers_st.frames += 1
    if managers_st.frames == 1 {
      Map.size(10, 8)
      Map.fill(glyph: '.')
      Map.border(glyph: '#')
      Map.rect(x: 4, y: 3, width: 2, height: 2, glyph: '#')
      spawn WorldRules { Solids { tile: 16, wall: '#' } }
      print(Map.get(x: 0, y: 0) * 1000 + Map.get(x: 5, y: 5))          # 35046: '#', '.'
      let cell = Map.random_cell(glyph: '.')
      print(Map.get(x: cell.x, y: cell.y))                                # 46
      let a = IVec2.make(0, 0);  let b = IVec2.make(3, 4)
      print(IVec2.distance2(a, b) * 10 + IVec2.within(a, b, 5))           # 251
      print(IVec2.heading(a, b))                                          # 53
      let p = IVec2.along(a, 0, 10);  print(p.x * 100 + p.y)              # 900 (the sine table rounds down)
      print(IVec2.step(180).x)                                            # -1
      print(Angle.diff_degrees(a: 350, b: 10))                             # 20
      let pool = new []int;  push(pool, 7);  push(pool, 8);  push(pool, 9)
      let picks = List.sample(pool, 3);  print(len(picks) * 100 + picks[0] + picks[1] + picks[2])   # 324
      let m = Input.move_i();  print(m.x + m.y)                            # 0
      Audio.define(name: "hit", path: "nope.wav")
      Audio.play(name: "hit")
      Camera.shake_for(amount: 3, frames: 2)
      Fx.sparks(x: 10, y: 10, color: 0xffffff, count: 4)
      Fx.number(x: 20, y: 20, value: 42, color: 0xffff00)
      spawn Thing { Position { x: 20, y: 20 }, Sprite { id: 5, move_id: 9, face: 1, flash: 3, blink: 6 }, TopDown { want_x: -1 } }
    }
    if managers_st.frames == 3 { print(Map.is_solid(x: 0, y: 0) * 10 + Map.is_solid_at(x: 40, y: 40)) }   # 10
    if managers_st.frames == 5 { for (s, t) in query [Sprite, Tag] { print(s.flip * 100 + s.flash * 10 + s.blink) };  quit() }   # 102
  }
}