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feat(packages): ludic.vehicles - each player's boat and horse: called to four berths or four bays, made the first time and fetched after, owner and rider, mounting (a hungry horse will not go), riding a horse on stamina and a boat on the wind with steering by signed speed, the swell at the edge, getting off onto the rider's own safe spot, a player leaving; the world and the rider through ports; mounted, dismounted, no landing, moved, swell and hunger as facts; this player's own saved by kind

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Orkun ÇAKILKAYA 2026-09-25 08:39:50 +03:00
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# ports.ludic - what a vehicle asks the world and its rider. Unbound, the world is dry flat ground
# with nothing in the way and no wind, and the rider is put exactly where asked.
export port VehicleWorld {
ground: fn(float, float) -> float
water: fn(float, float) -> float = fn ve__dry # the surface over a point
blocked: fn(float, float, float) -> bool = fn ve__open # (x, z, r): a collider in a horse's way
swell: fn(float, float, float, float) -> float = fn ve__calm # (x, z, fx, fz): 0..1 of a stroke lost
wind: fn() -> float = fn ve__zero # 0..1
wind_yaw: fn() -> float = fn ve__zero # the yaw the wind pushes toward
next_id: fn() -> int = fn ve__next
made: fn(Vehicle) -> void = fn ve__nothing # a new vehicle: draw it
placed: fn(Vehicle) -> void = fn ve__nothing # it moved: put its model there
gone: fn(Vehicle) -> void = fn ve__nothing # its owner left: take it away
}
# the body on board: the game's walking body (ludic.character, through the game)
export port VehicleRider {
board: fn(float, float, float) -> void = fn ve__board # (x, z, yaw)
ride_at: fn(float, float, float, float, float) -> void = fn ve__ride # (x, y, z, yaw, speed)
step_off: fn(float, float) -> void = fn ve__off # (x, z)
safe_spot: fn(float, float, float, float) -> bool = fn ve__safe # (x, z, from_y, max_depth)
safe_x: fn() -> float = fn ve__safe_x
safe_z: fn() -> float = fn ve__safe_z
}
var ve_ids: int = 0
var ve_sx: float = 0.0
var ve_sz: float = 0.0
function ve__dry(x: float, z: float) -> float { return -10000.0 }
function ve__open(x: float, z: float, r: float) -> bool { return false }
function ve__calm(x: float, z: float, fx: float, fz: float) -> float { return 0.0 }
function ve__zero() -> float { return 0.0 }
function ve__next() -> int {
ve_ids += 1
return ve_ids
}
function ve__nothing(v: Vehicle) -> void { }
function ve__board(x: float, z: float, yaw: float) -> void { }
function ve__ride(x: float, y: float, z: float, yaw: float, speed: float) -> void { }
function ve__off(x: float, z: float) -> void { }
function ve__safe(x: float, z: float, from_y: float, max_depth: float) -> bool {
ve_sx = x
ve_sz = z
return true
}
function ve__safe_x() -> float { return ve_sx }
function ve__safe_z() -> float { return ve_sz }