Ledges and ladders

Ledge grab#

Grab: in the air, holding forward, with a wall within 4 units in front at eye height, free space 8 units above and ahead of it, and the ledge wide enough (probes 12 units to each side). Your vertical speed is set to 0 and you hang.
Hang: no gravity. Forward climbs at 70 ups, back lowers you.
Pull-up: after climbing 50 units above the grab point you're released on top, **forced crouched**.
Let go: release forward, crouch, or sink more than 5 units below the grab point. You get a small push away from the wall (25 ups).

Ledges are a safety net for near misses: you lose your speed but keep the run. On speed lines they cost time.

Surfaces marked as ladders (SURF_LADDER), not volumes.
Instant stop when you get on, climb at 150 ups (slower with a light key press).
Jump off: a push of 50 ups away from the ladder. No stamina cost.
Snapping onto a ladder resets the walljump counter, like landing.

Ladders are a piece in the map editor. Ladders in Urban Terror maps work exactly as there.