whole lotta stuff

code/__DEFINES/misc.dm

@@ -571,3 +571,18 @@ GLOBAL_LIST_INIT(pda_reskins, list(
 #define NOTIFY_JUMP "jump"
 #define NOTIFY_ATTACK "attack"
 #define NOTIFY_ORBIT "orbit"
+
+//GS13 WEIGHT GAIN TYPES
+#define MINIMUM_FATNESS_LEVEL 0
+
+#define FATTENING_TYPE_ITEM "item"
+#define FATTENING_TYPE_FOOD "food"
+#define FATTENING_TYPE_CHEM "chem"
+#define FATTENING_TYPE_WEAPON "weapon"
+#define FATTENING_TYPE_MAGIC "magic"
+#define FATTENING_TYPE_VIRUS "virus"
+#define FATTENING_TYPE_NANITES "nanites"
+#define FATTENING_TYPE_RADIATIONS "radiations"
+#define FATTENING_TYPE_WEIGHT_LOSS "weight_loss"
+
+#define FATNESS_TO_WEIGHT_RATIO 0.25

code/__DEFINES/mobs.dm

@@ -380,3 +380,31 @@
 #define CURRENT_LIVING_ANTAGS	"living_antags_list"
 #define CURRENT_DEAD_PLAYERS	"dead_players_list"
 #define CURRENT_OBSERVERS		"current_observers_list"
+
+//Fullness levels, no more infinite eating my dudes!
+#define FULLNESS_LEVEL_NOMOREPLZ 280
+#define FULLNESS_LEVEL_BEEG 140
+#define FULLNESS_LEVEL_BLOATED 80
+#define FULLNESS_LEVEL_FILLED 40
+#define FULLNESS_LEVEL_HALF_FULL 20
+#define FULLNESS_LEVEL_EMPTY 0
+
+//Fullness emote cooldown
+#define FULLNESS_REDUCTION_COOLDOWN 50
+
+//Fatness levels, Here we go!
+#define FATNESS_LEVEL_BLOB 3440
+#define FATNESS_LEVEL_IMMOBILE 2540
+#define FATNESS_LEVEL_BARELYMOBILE 1840
+#define FATNESS_LEVEL_EXTREMELY_OBESE 1240
+#define FATNESS_LEVEL_MORBIDLY_OBESE 840
+#define FATNESS_LEVEL_OBESE 440
+#define FATNESS_LEVEL_VERYFAT 330
+#define FATNESS_LEVEL_FATTER 250
+#define FATNESS_LEVEL_FAT 170
+
+//Math stuff for fatness movement speed
+#define FATNESS_DIVISOR 860
+#define FATNESS_MAX_MOVE_PENALTY 4
+#define FATNESS_WEAKLEGS_MODIFIER 35 // GS13 tweak
+#define FATNESS_STRONGLEGS_MODIFIER 0.5

code/__DEFINES/nanites.dm

@@ -50,3 +50,7 @@
 #define NES_SCAN_TYPE "Scan Type"
 #define NES_BUTTON_NAME "Button Name"
 #define NES_ICON "Icon"
+
+//GS13 DEFINES
+#define NES_FATNESS "BFI"
+#define NES_FAT_GAIN_LOSS "Loss/Gain"

code/__DEFINES/traits.dm

@@ -248,6 +248,39 @@
 //used because it's more reliable than checking for the component
 #define TRAIT_DULLAHAN "dullahan"
 
+//GS13
+#define TRAIT_WEIGHT_LOSS_IMMUNE "weight_loss_immune"
+#define TRAIT_UNIVERSAL_GAINER "universal_gainer"
+#define TRAIT_NO_MOVE "no_move"
+#define TRAIT_NO_JUMPSUIT "no_jumpsuit"
+#define TRAIT_NO_MISC "no_misc"
+#define TRAIT_NO_BACKPACK "no_backpack"
+#define TRAIT_NO_BUCKLE "no_buckle"
+#define TRAIT_DOCILE "docile"
+#define TRAIT_LIVESTOCK "livestock"
+#define TRAIT_NO_FAT_SLOWDOWN "no_fat_slowdown"
+#define HELPLESSNESS_TRAIT "helplessness"
+
+#define TRAIT_FATTER			"fatter"
+#define TRAIT_VERYFAT			"veryfat"
+#define TRAIT_OBESE				"obese"
+#define TRAIT_MORBIDLYOBESE		"morbildyobese"
+#define TRAIT_EXTREMELYOBESE	"extremelyobese"
+#define TRAIT_BARELYMOBILE		"barelymobile"
+#define TRAIT_IMMOBILE			"immobile"
+#define TRAIT_BLOB				"blobweight"
+
+//GS13 quirks
+#define TRAIT_FAT_GOOD			"fat_good"
+#define TRAIT_FAT_BAD			"fat_bad"
+#define TRAIT_LIPOLICIDE_TOLERANCE "lipolicide_tolerance"
+#define TRAIT_WEAKLEGS			"weak_legs"
+#define TRAIT_STRONGLEGS		"strong_legs"
+#define TRAIT_WEB_WEAVER		"web_weaving"
+#define TRAIT_METAL_CRUNCHER 	"metal_cruncher"
+#define TRAIT_WATER_SPONGE 		"water_sponge"
+#define TRAIT_FATROUSAL         "fatrousal"
+
 // mobility flag traits
 // IN THE FUTURE, IT WOULD BE NICE TO DO SOMETHING SIMILAR TO https://github.com/tgstation/tgstation/pull/48923/files (ofcourse not nearly the same because I have my.. thoughts on it)
 // BUT FOR NOW, THESE ARE HOOKED TO DO update_mobility() VIA COMSIG IN living_mobility.dm