# ports.ludic - what a line asks the game: the water, the tackle, the angler
# the ladder of difficulty, by the numbers a game is likely to keep them in
export const FISHING_RELAXED: int = 0      # the window dead centre
export const FISHING_STANDARD: int = 1     # it moves each crossing
export const FISHING_HARD: int = 2         # it moves and closes
export const FISHING_GENTLE: int = 3       # no bar: a ring and one press (a legend still fights)

# Unbound, the angler is on the bank, has no bait or lure and no skill, waits the plain wait,
# holds a 0.12 window and plays Relaxed.
export port FishingWorld {
  depth: fn(float, float) -> float                    # metres of water at a point (0: dry)
  afloat: fn() -> bool = fn fishing_no                # in a boat: every cast lands in deep water
  has_bait: fn() -> bool = fn fishing_no
  has_lure: fn() -> bool = fn fishing_no
  skill: fn() -> float = fn fishing_zero              # bigger fish, and a legend more often
  bite_mult: fn() -> float = fn fishing_one           # the wait, x
  window: fn(int) -> float = fn fishing_plain_window  # the green's half width for a species
  level: fn() -> int = fn fishing_relaxed
}
function fishing_no() -> bool { return false }
function fishing_zero() -> float { return 0.0 }
function fishing_one() -> float { return 1.0 }
function fishing_plain_window(s: int) -> float { return 0.12 }
function fishing_relaxed() -> int { return FISHING_RELAXED }