util.replace_text_in("data/entities/animals/bigfirebug.xml", "lavarock_static", "rock_box2d")
util.replace_text_in("data/entities/animals/firebug.xml", "lavarock_static", "rock_box2d")
util.replace_text_in("data/entities/animals/firemage.xml", "lavarock_static", "rock_box2d")
util.replace_text_in("data/entities/animals/giant.xml", "lavarock_static", "rock_box2d")

return {}
