hm

code/modules/reagents/chemistry/holder.dm

@@ -1,4 +1,4 @@
-#define CHEMICAL_QUANTISATION_LEVEL 0.0001
+#define CHEMICAL_QUANTISATION_LEVEL 0.001
 
 /proc/build_chemical_reagent_list()
 	//Chemical Reagents - Initialises all /datum/reagent into a list indexed by reagent id
@@ -745,7 +745,6 @@
 			del_reagent(R.id)
 		else
 			total_volume += R.volume
-
 	return 0
 
 /datum/reagents/proc/clear_reagents()
@@ -874,7 +873,7 @@
 		var/datum/reagent/R = A
 		if (R.id == reagent) //IF MERGING
 			//Add amount and equalize purity
-			R.volume += amount
+			R.volume += round(amount, CHEMICAL_QUANTISATION_LEVEL)
 			R.purity = ((R.purity * R.volume) + (other_purity * amount)) /((R.volume + amount)) //This should add the purity to the product
 
 			update_total()
@@ -896,7 +895,7 @@
 	var/datum/reagent/R = new D.type(data)
 	cached_reagents += R
 	R.holder = src
-	R.volume = amount
+	R.volume = round(amount, CHEMICAL_QUANTISATION_LEVEL)
 	R.purity = other_purity
 	R.loc = get_turf(my_atom)
 	if(data)

code/modules/reagents/chemistry/machinery/chem_master.dm

@@ -332,7 +332,7 @@
 				var/vol_part = min(reagents.total_volume, 30)
 				if(text2num(many))
 					amount_full = round(reagents.total_volume / 30)
-					vol_part = reagents.total_volume % 30
+					vol_part = ((reagents.total_volume*1000) % 30000) / 1000 //% operator doesn't support decimals.
 				var/name = stripped_input(usr, "Name:","Name your bottle!", (reagents.total_volume ? reagents.get_master_reagent_name() : " "), MAX_NAME_LEN)
 				if(!name || !reagents.total_volume || !src || QDELETED(src) || !usr.canUseTopic(src, !issilicon(usr)))
 					return

code/modules/reagents/chemistry/reagents/alcohol_reagents.dm

@@ -2122,6 +2122,29 @@ All effects don't start immediately, but rather get worse over time; the rate is
 	glass_name = "Planet Cracker"
 	glass_desc = "Although historians believe the drink was originally created to commemorate the end of an important conflict in man's past, its origins have largely been forgotten and it is today seen more as a general symbol of human supremacy."
 
+/datum/reagent/consumable/ethanol/commander_and_chief
+	name = "Commander and Chief"
+	id = "commander_and_chief"
+	description = "A cocktail for the captain on the go."
+	color = "#ffffc9"
+	boozepwr = 50
+	quality = DRINK_FANTASTIC
+	taste_description = "Tastes like...duty and responsibility?"
+	glass_icon_state = "commander_and_chief"
+	glass_name = "Commander and Chief"
+	glass_desc = "The gems of this majestic chalice represent the departments and their Heads."
+	
+/datum/reagent/consumable/ethanol/commander_and_chief/on_mob_life(mob/living/carbon/M)
+	if(M.mind && HAS_TRAIT(M.mind, TRAIT_CAPTAIN_METABOLISM))
+		M.heal_bodypart_damage(2,2,2)
+		M.adjustBruteLoss(-3.5,0)
+		M.adjustOxyLoss(-3.5,0)
+		M.adjustFireLoss(-3.5,0)
+		M.adjustToxLoss(-3.5,0)
+		M.radiation = max(M.radiation - 25, 0)
+		. = 1
+	return ..()
+
 /datum/reagent/consumable/ethanol/fruit_wine
 	name = "Fruit Wine"
 	id = "fruit_wine"

code/modules/reagents/chemistry/reagents/medicine_reagents.dm

@@ -1177,7 +1177,7 @@
 	M.adjustToxLoss(-3 * REM, 0, TRUE) //Heals TOXINLOVERS
 	M.adjustBrainLoss(2 * REM, 150) //This does, after all, come from ambrosia, and the most powerful ambrosia in existence, at that!
 	M.adjustCloneLoss(-1 * REM, 0)
-	M.adjustStaminaLoss(-30 * REM, 0)
+	M.adjustStaminaLoss(-13 * REM, 0)
 	M.jitteriness = min(max(0, M.jitteriness + 3), 30)
 	M.druggy = min(max(0, M.druggy + 10), 15) //See above
 	..()