objects/oArrowRepeaterL/alarm_1.gml

From spelunky.gmk, Spelunky Classic 1.1's source, © 2008, 2009 Derek Yu and Mossmouth, LLC, shown whole under the Spelunky User License v1.1b. Extracted by spelunky.ai's tools, an unofficial fan project, one file per script or event; the // ==== lines are the extractor's, naming each action of the event. Some scripts are others' work that Derek Yu credits in the source's readme.txt: Martin Piecyk's platform engine, ChevyRay's view scaling scripts and tsg1zzn's Super Sound System.

oArrowRepeaterL's alarm 1 event, 7 lines of GML.

xAct = x-1;while (not collision_point(xAct, y+8, oSolid, 0, 0)){    if (x - xAct > 96) break;    xAct -= 1;}xAct = (x+8) - xAct;