updates fat damage

GainStation13/code/mechanics/fatness.dm

@@ -274,6 +274,10 @@ GLOBAL_LIST_INIT(uncapped_resize_areas, list(/area/command/bridge, /area/mainten
 	return needed_fatness
 
 /mob/living/carbon/proc/applyFatnessDamage(amount)
+	if(!client?.prefs?.weight_gain_weapons) // If we can't fatten them through weapons, apply stamina damage
+		adjustStaminaLoss(amount)
+		return TRUE
+
 	var/fat_to_add = ((amount * CONFIG_GET(number/damage_multiplier)) * FAT_DAMAGE_TO_FATNESS)
 	adjust_fatness(fat_to_add, FATTENING_TYPE_WEAPON)
 	return fat_to_add

code/__DEFINES/combat.dm

@@ -279,5 +279,5 @@
 #define FAT 		"fat"
 #define PERMA_FAT 		"perma_fat"
 /// What is the rate that one damage is converted to fatness?
-#define FAT_DAMAGE_TO_FATNESS 4
-#define PERMA_FAT_DAMAGE_TO_FATNESS 4
+#define FAT_DAMAGE_TO_FATNESS 8
+#define PERMA_FAT_DAMAGE_TO_FATNESS 8