objects/oBullet/collision_oEnemy.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.
oBullet's collision oEnemy event, 36 lines of GML.
if (not safe){ if (other.type == "Yeti King" or other.type == "Tomb Lord") { other.xVel = xVel*0.5; other.yVel = -2; } else { other.xVel = xVel; other.yVel = -4; } with other { hp -= 4; if ((type == "Caveman" or type == "Yeti" or type == "Hawkman" or type == "Shopkeeper") and status != 99) { status = 98; counter = 20; } if (bloodLeft > 0) { scrCreateBlood(x+sprite_width/2, y+sprite_height/2, 1); if (hp < 0) bloodLeft -= 1; } } playSound(global.sndHit); instance_destroy();}