all items in disposal pipes now make small sounds when they hit corners. all mobs will make very audible sounds when they hit corners

code/game/sound.dm

@@ -200,5 +200,9 @@
 								'sound/vore/prey/death_04.ogg','sound/vore/prey/death_05.ogg','sound/vore/prey/death_06.ogg',
 								'sound/vore/prey/death_07.ogg','sound/vore/prey/death_08.ogg','sound/vore/prey/death_09.ogg',
 								'sound/vore/prey/death_10.ogg')
+			if("clang")
+				soundin = pick('sound/effects/clang1.ogg', 'sound/effects/clang2.ogg')
+			if("clangsmall")
+				soundin = pick('sound/effects/clangsmall1.ogg', 'sound/effects/clangsmall2.ogg')
 			//END OF CIT CHANGES
 	return soundin

code/modules/recycling/disposal/pipe.dm

@@ -1,5 +1,7 @@
 // Disposal pipes
 
+#define IFFY 2
+
 /obj/structure/disposalpipe
 	name = "disposal pipe"
 	desc = "An underfloor disposal pipe."
@@ -16,6 +18,7 @@
 	var/dpdir = NONE					// bitmask of pipe directions
 	var/initialize_dirs = NONE			// bitflags of pipe directions added on init, see \code\_DEFINES\pipe_construction.dm
 	var/flip_type						// If set, the pipe is flippable and becomes this type when flipped
+	var/canclank = FALSE				// Determines if the pipe will cause a clank sound when holders pass by it. use the IFFY define for weird-ass edge cases like the segment subtype
 	var/obj/structure/disposalconstruct/stored
 
 
@@ -75,6 +78,8 @@
 			H.merge(H2)
 
 		H.forceMove(P)
+		if(P.canclank == TRUE || (P.canclank == IFFY && P.dpdir != 3 && P.dpdir != 12))
+			playsound(src, H.hasmob ? "clang" : "clangsmall", H.hasmob ? 50 : 25, 1)
 		return P
 	else			// if wasn't a pipe, then they're now in our turf
 		H.forceMove(get_turf(src))
@@ -184,6 +189,7 @@
 /obj/structure/disposalpipe/segment
 	icon_state = "pipe"
 	initialize_dirs = DISP_DIR_FLIP
+	canclank = IFFY
 
 
 // A three-way junction with dir being the dominant direction
@@ -191,6 +197,7 @@
 	icon_state = "pipe-j1"
 	initialize_dirs = DISP_DIR_RIGHT | DISP_DIR_FLIP
 	flip_type = /obj/structure/disposalpipe/junction/flip
+	canclank = TRUE
 
 // next direction to move
 // if coming in from secondary dirs, then next is primary dir
@@ -229,6 +236,7 @@
 //a trunk joining to a disposal bin or outlet on the same turf
 /obj/structure/disposalpipe/trunk
 	icon_state = "pipe-t"
+	canclank = TRUE
 	var/obj/linked 	// the linked obj/machinery/disposal or obj/disposaloutlet
 
 /obj/structure/disposalpipe/trunk/Initialize()
@@ -299,3 +307,5 @@
 
 /obj/structure/disposalpipe/broken/deconstruct()
 	qdel(src)
+
+#undef IFFY

code/modules/recycling/disposal/pipe_sorting.dm

@@ -5,6 +5,7 @@
 	desc = "An underfloor disposal pipe with a sorting mechanism."
 	icon_state = "pipe-j1s"
 	initialize_dirs = DISP_DIR_RIGHT | DISP_DIR_FLIP
+	canclank = TRUE
 
 /obj/structure/disposalpipe/sorting/nextdir(obj/structure/disposalholder/H)
 	var/sortdir = dpdir & ~(dir | turn(dir, 180))