objects/oAlienBoss/create.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.
oAlienBoss's create event, 29 lines of GML.
// ==== action 0: lib 1 id 604: action_inherited() ====// ==== action 1: lib 1 id 603: code ====makeActive();setCollisionBounds(0, 0, 32, 32);xVel = 2.5;image_speed = 0.25;// statstype = "Alien Boss";hp = 10;invincible = 0;IDLE = 0;DEAD = 99;status = IDLE;canPickUp = false;bounced = false;dead = false;counter = 0;LEFT = 0;RIGHT = 1;facing = LEFT;shakeCounter = 0;shakeToggle = 1;psychicRecover = 100;