scripts/isInShop.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.
The script isInShop, 13 lines of GML.
//// isInShop(x, y)//// Is this point (x, y) in a shop?//tx = argument0;ty = argument1;if (global.roomPath[scrGetRoomX(tx), scrGetRoomY(ty)] == 4 or global.roomPath[scrGetRoomX(tx), scrGetRoomY(ty)] == 5) return true;return false;