Update construction.dm

code/__defines/construction.dm

@@ -55,7 +55,29 @@
 #define PIPING_ONE_PER_TURF 2 				//can only be built if nothing else with this flag is on the tile already.
 #define PIPING_DEFAULT_LAYER_ONLY 4			//can only exist at PIPING_LAYER_DEFAULT
 #define PIPING_CARDINAL_AUTONORMALIZE 8		//north/south east/west doesn't matter, auto normalize on build.
+//YW Additions
+// Disposals Construction
+//
+#define DISPOSAL_PIPE_STRAIGHT 0
+#define DISPOSAL_PIPE_CORNER 1
+#define DISPOSAL_PIPE_JUNCTION 2
+#define DISPOSAL_PIPE_JUNCTION_FLIPPED 3
+#define DISPOSAL_PIPE_JUNCTION_Y 4
+#define DISPOSAL_PIPE_TRUNK 5
+#define DISPOSAL_PIPE_BIN 6
+#define DISPOSAL_PIPE_OUTLET 7
+#define DISPOSAL_PIPE_CHUTE 8
+#define DISPOSAL_PIPE_SORTER 9
+#define DISPOSAL_PIPE_SORTER_FLIPPED 10
+#define DISPOSAL_PIPE_UPWARD 11
+#define DISPOSAL_PIPE_DOWNWARD 12
+#define DISPOSAL_PIPE_TAGGER 13
+#define DISPOSAL_PIPE_TAGGER_PARTIAL 14
 
+#define DISPOSAL_SORT_NORMAL 0
+#define DISPOSAL_SORT_WILDCARD 1
+#define DISPOSAL_SORT_UNTAGGED 2
+//YW Additions end
 // Macro for easy use of boilerplate code for searching for a valid node connection.
 #define STANDARD_ATMOS_CHOOSE_NODE(node_num, direction) \
 	for(var/obj/machinery/atmospherics/target in get_step(src, direction)) { \