CLASS net/minecraft/class_6621 METHOD afterPlace (Lnet/minecraft/class_5281;Lnet/minecraft/class_5138;Lnet/minecraft/class_2794;Ljava/util/Random;Lnet/minecraft/class_3341;Lnet/minecraft/class_1923;Lnet/minecraft/class_6624;)V ARG 1 world ARG 2 structures ARG 3 chunkGenerator ARG 4 random ARG 5 box ARG 6 pos