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feat(ecs): ludic.vehicles on a Table<Vehicle>

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The vehicles are rows of a ludic.base Table with kind and owner as columns, every player's own by
an owner index and a nid map: vehicle_of walks only that player's rows, vehicle_by_nid is a map
lookup, and a player who leaves has their rows removed instead of the whole list rebuilt. ve_add
takes the owner, so the owner is filed once and never assigned around the table. Positions stay
on the record: a boat moves every frame and there are at most two a player. vehicles_test holds
the table (9 tests); the game builds against it and lab/unit passes (88 tests).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-27 21:50:23 +03:00
parent 52270ab5d1
commit 045bf22e10
8 changed files with 87 additions and 18 deletions
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18
packages/ludic.vehicles/call.ludic
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@ -1,10 +1,11 @@
# call.ludic - a player's boat or horse brought to a place: made there the first time, fetched there
# after; gone when its player leaves
function ve_add(vehicles_st: VehiclesState, kind: int, x: float, z: float, yaw: float) -> Vehicle {
function ve_add(vehicles_st: VehiclesState, kind: int, owner: int, x: float, z: float, yaw: float) -> Vehicle {
if kind != VEHICLE_HORSE and kind != VEHICLE_BOAT { return null }
let v = new Vehicle
v.nid = VehicleWorld.next_id()
v.kind = kind
v.owner = owner
v.yaw = yaw
if kind == VEHICLE_HORSE {
v.seat_h = 1.35
@ -14,7 +15,7 @@ function ve_add(vehicles_st: VehiclesState, kind: int, x: float, z: float, yaw:
v.seat_h = 0.30
}
ve_put(v, x, z)
push(ve_all(vehicles_st), v)
ve_file(vehicles_st.ve, v)
ve_settle(v)
VehicleWorld.made(v)
return v
@ -51,9 +52,8 @@ export function vehicle_call_for(vehicles_st: VehiclesState, pid: int, kind: int
var yaw = vehicles_st.ve_dock_yaw
if kind == VEHICLE_HORSE { yaw = vehicles_st.ve_rail_yaw }
if v == null {
let made = ve_add(vehicles_st, kind, vehicle_place_x(vehicles_st, kind, k), vehicle_place_z(vehicles_st, kind, k), yaw)
let made = ve_add(vehicles_st, kind, pid, vehicle_place_x(vehicles_st, kind, k), vehicle_place_z(vehicles_st, kind, k), yaw)
if made == null { return false }
made.owner = pid
if pid == 0 { ve_apply_kept(vehicles_st, made) }
return true
}
@ -68,10 +68,10 @@ export function vehicle_call_for(vehicles_st: VehiclesState, pid: int, kind: int
# a player left: their boat and horse go with them, and their places are free
export function vehicles_release(vehicles_st: mut VehiclesState, pid: int) -> void {
if pid == 0 { return }
let keep = new []Vehicle
let l = ve_all(vehicles_st)
for i in 0 .. len(l) {
if l[i].owner != pid { push(keep, l[i]) } else { ve_gone(l[i]) }
let rows = ix_rows(vehicles_st.ve.owners, pid)
while len(rows) > 0 {
let v = ve_all(vehicles_st)[rows[len(rows) - 1]]
ve_gone(v)
ve_unfile(vehicles_st.ve, v)
}
vehicles_st.ve_list = keep
}