Porting the mutation conflict system, and resizing quantum realm fix.

code/datums/mutations/_mutations.dm

@@ -31,6 +31,7 @@
 	//MUT_EXTRA - A mutation that is in the mutations tab, and can be given and taken away through though the DNA console. Has a 0 before it's name in the mutation section of the dna console
 	//MUT_OTHER Cannot be interacted with by players through normal means. I.E. wizards mutate
 
+	var/list/conflicts //any mutations that might conflict. put mutation typepath defines in here. make sure to enter it both ways (so that A conflicts with B, and B with A)
 	var/can_chromosome = CHROMOSOME_NONE //can we take chromosomes? 0: CHROMOSOME_NEVER never,  1:CHROMOSOME_NONE yeah, 2: CHROMOSOME_USED no, already have one
 	var/chromosome_name   //purely cosmetic
 	var/modified = FALSE  //ugly but we really don't want chromosomes and on_acquiring to overlap and apply double the powers
@@ -60,6 +61,14 @@
 		return TRUE
 	if(limb_req && !H.get_bodypart(limb_req))
 		return TRUE
+	for(var/M in H.dna.mutations)//check for conflicting powers
+		var/datum/mutation/human/mewtayshun = M
+		if(LAZYLEN(mewtayshun.conflicts))
+			for(var/cons in mewtayshun.conflicts)
+				var/datum/mutation/human/conflicter = cons
+				if(conflicter == type)
+					to_chat(H, "<span class='warning'>You feel your genes resisting something.</span>")
+					return TRUE
 	owner = H
 	dna = H.dna
 	dna.mutations += src

code/datums/mutations/body.dm

@@ -75,6 +75,7 @@
 	quality = POSITIVE
 	difficulty = 16
 	instability = 5
+	conflicts = list(GIGANTISM)
 	locked = TRUE    // Default intert species for now, so locked from regular pool.
 
 /datum/mutation/human/dwarfism/on_acquiring(mob/living/carbon/human/owner)
@@ -333,6 +334,7 @@
 	desc = "The cells within the subject spread out to cover more area, making the subject appear larger."
 	quality = MINOR_NEGATIVE
 	difficulty = 12
+	conflicts = list(DWARFISM)
 
 /datum/mutation/human/gigantism/on_acquiring(mob/living/carbon/human/owner)
 	if(..())

code/modules/reagents/chemistry/reagents/drink_reagents.dm

@@ -864,12 +864,13 @@
 	glass_icon_state = "red_queen"
 	glass_name = "Red Queen"
 	glass_desc = "DRINK ME."
-	var/current_size = 1
+	var/current_size = RESIZE_DEFAULT_SIZE
 
 /datum/reagent/consumable/red_queen/on_mob_life(mob/living/carbon/H)
 	if(prob(75))
 		return ..()
 	var/newsize = pick(0.5, 0.75, 1, 1.50, 2)
+	newsize *= RESIZE_DEFAULT_SIZE
 	H.resize = newsize/current_size
 	current_size = newsize
 	H.update_transform()
@@ -878,7 +879,8 @@
 	..()
 
 /datum/reagent/consumable/red_queen/on_mob_end_metabolize(mob/living/M)
-	M.resize = 1/current_size
+	M.resize = RESIZE_DEFAULT_SIZE/current_size
+	current_size = RESIZE_DEFAULT_SIZE
 	M.update_transform()
 	..()
 

code/modules/reagents/chemistry/reagents/other_reagents.dm

@@ -1917,22 +1917,22 @@
 	name = "Growth Serum"
 	description = "A commercial chemical designed to help older men in the bedroom."//not really it just makes you a giant
 	color = "#ff0000"//strong red. rgb 255, 0, 0
-	var/current_size = 1
+	var/current_size = RESIZE_DEFAULT_SIZE
 	taste_description = "bitterness" // apparently what viagra tastes like
 
 /datum/reagent/growthserum/on_mob_life(mob/living/carbon/H)
 	var/newsize = current_size
 	switch(volume)
 		if(0 to 19)
-			newsize = 1.25
+			newsize = 1.25*RESIZE_DEFAULT_SIZE
 		if(20 to 49)
-			newsize = 1.5
+			newsize = 1.5*RESIZE_DEFAULT_SIZE
 		if(50 to 99)
-			newsize = 2
+			newsize = 2*RESIZE_DEFAULT_SIZE
 		if(100 to 199)
-			newsize = 2.5
+			newsize = 2.5*RESIZE_DEFAULT_SIZE
 		if(200 to INFINITY)
-			newsize = 3.5
+			newsize = 3.5*RESIZE_DEFAULT_SIZE
 
 	H.resize = newsize/current_size
 	current_size = newsize
@@ -1940,7 +1940,8 @@
 	..()
 
 /datum/reagent/growthserum/on_mob_end_metabolize(mob/living/M)
-	M.resize = 1/current_size
+	M.resize = RESIZE_DEFAULT_SIZE/current_size
+	current_size = RESIZE_DEFAULT_SIZE
 	M.update_transform()
 	..()