TG GENETICS AAAAAAAA

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code/modules/mob/living/carbon/carbon.dm

@@ -603,6 +603,14 @@
 				sight |= (SEE_TURFS|SEE_MOBS|SEE_OBJS)
 				see_in_dark = max(see_in_dark, 8)
 
+	if(HAS_TRAIT(src, TRAIT_THERMAL_VISION))
+		sight |= (SEE_MOBS)
+		lighting_alpha = min(lighting_alpha, LIGHTING_PLANE_ALPHA_MOSTLY_VISIBLE)
+
+	if(HAS_TRAIT(src, TRAIT_XRAY_VISION))
+		sight |= (SEE_TURFS|SEE_MOBS|SEE_OBJS)
+		see_in_dark = max(see_in_dark, 8)
+
 	if(see_override)
 		see_invisible = see_override
 	. = ..()

code/modules/mob/living/carbon/human/species.dm

@@ -44,6 +44,7 @@ GLOBAL_LIST_EMPTY(roundstart_races)
 	var/siemens_coeff = 1 //base electrocution coefficient
 	var/damage_overlay_type = "human" //what kind of damage overlays (if any) appear on our species when wounded?
 	var/fixed_mut_color = "" //to use MUTCOLOR with a fixed color that's independent of dna.feature["mcolor"]
+	var/inert_mutation = DWARFISM //special mutation that can be found in the genepool. Dont leave empty or changing species will be a headache
 	var/list/special_step_sounds //Sounds to override barefeet walkng
 	var/grab_sound //Special sound for grabbing
 
@@ -317,6 +318,14 @@ GLOBAL_LIST_EMPTY(roundstart_races)
 	for(var/X in inherent_traits)
 		REMOVE_TRAIT(C, X, SPECIES_TRAIT)
 
+	//If their inert mutation is not the same, swap it out
+	if((inert_mutation != new_species.inert_mutation) && LAZYLEN(C.dna.mutation_index) && (inert_mutation in C.dna.mutation_index))
+		C.dna.remove_mutation(inert_mutation)
+		//keep it at the right spot, so we can't have people taking shortcuts
+		var/location = C.dna.mutation_index.Find(inert_mutation)
+		C.dna.mutation_index[location] = new_species.inert_mutation
+		C.dna.mutation_index[new_species.inert_mutation] = create_sequence(new_species.inert_mutation)
+
 	SEND_SIGNAL(C, COMSIG_SPECIES_LOSS, src)
 
 /datum/species/proc/handle_hair(mob/living/carbon/human/H, forced_colour)
@@ -1270,7 +1279,7 @@ GLOBAL_LIST_EMPTY(roundstart_races)
 	if(radiation > RAD_MOB_MUTATE)
 		if(prob(1))
 			to_chat(H, "<span class='danger'>You mutate!</span>")
-			H.randmutb()
+			H.easy_randmut(NEGATIVE+MINOR_NEGATIVE)
 			H.emote("gasp")
 			H.domutcheck()
 

code/modules/mob/living/carbon/human/species_types/lizardpeople.dm

@@ -20,6 +20,7 @@
 	exotic_bloodtype = "L"
 	disliked_food = GRAIN | DAIRY
 	liked_food = GROSS | MEAT
+	inert_mutation = FIREBREATH
 
 /datum/species/lizard/after_equip_job(datum/job/J, mob/living/carbon/human/H)
 	H.grant_language(/datum/language/draconic)

code/modules/mob/living/carbon/human/species_types/podpeople.dm

@@ -60,9 +60,9 @@
 				H.Knockdown(100)
 				H.visible_message("<span class='warning'>[H] writhes in pain as [H.p_their()] vacuoles boil.</span>", "<span class='userdanger'>You writhe in pain as your vacuoles boil!</span>", "<span class='italics'>You hear the crunching of leaves.</span>")
 				if(prob(80))
-					H.randmutb()
+					H.easy_randmut(NEGATIVE+MINOR_NEGATIVE)
 				else
-					H.randmutg()
+					H.easy_randmut(POSITIVE)
 				H.domutcheck()
 			else
 				H.adjustFireLoss(rand(5,15))

code/modules/mob/living/carbon/life.dm

@@ -419,7 +419,6 @@
 
 /mob/living/carbon/handle_mutations_and_radiation()
 	if(dna && dna.temporary_mutations.len)
-		var/datum/mutation/human/HM
 		for(var/mut in dna.temporary_mutations)
 			if(dna.temporary_mutations[mut] < world.time)
 				if(mut == UI_CHANGED)
@@ -442,9 +441,9 @@
 						dna.previous.Remove("blood_type")
 					dna.temporary_mutations.Remove(mut)
 					continue
-				HM = GLOB.mutations_list[mut]
-				HM.force_lose(src)
-				dna.temporary_mutations.Remove(mut)
+		for(var/datum/mutation/human/HM in dna.mutations)
+			if(HM && HM.timed)
+				dna.remove_mutation(HM.type)
 
 	radiation -= min(radiation, RAD_LOSS_PER_TICK)
 	if(radiation > RAD_MOB_SAFE)

code/modules/mob/living/carbon/monkey/life.dm

@@ -38,7 +38,7 @@
 		if(radiation > RAD_MOB_MUTATE)
 			if(prob(1))
 				to_chat(src, "<span class='danger'>You mutate!</span>")
-				randmutb()
+				easy_randmut(NEGATIVE+MINOR_NEGATIVE)
 				emote("gasp")
 				domutcheck()
 

code/modules/mob/transform_procs.dm

@@ -50,9 +50,8 @@
 	O.updateappearance(icon_update=0)
 
 	if(tr_flags & TR_KEEPSE)
-		O.dna.struc_enzymes = dna.struc_enzymes
-		var/datum/mutation/human/race/R = GLOB.mutations_list[RACEMUT]
-		O.dna.struc_enzymes = R.set_se(O.dna.struc_enzymes, on=1)//we don't want to keep the race block inactive
+		O.dna.mutation_index = dna.mutation_index
+		O.dna.set_se(1, GET_INITIALIZED_MUTATION(RACEMUT))
 
 	if(suiciding)
 		O.suiciding = suiciding
@@ -210,9 +209,8 @@
 	O.name = O.real_name
 
 	if(tr_flags & TR_KEEPSE)
-		O.dna.struc_enzymes = dna.struc_enzymes
-		var/datum/mutation/human/race/R = GLOB.mutations_list[RACEMUT]
-		O.dna.struc_enzymes = R.set_se(O.dna.struc_enzymes, on=0)//we don't want to keep the race block active
+		O.dna.mutation_index = dna.mutation_index
+		O.dna.set_se(0, GET_INITIALIZED_MUTATION(RACEMUT))
 		O.domutcheck()
 
 	if(suiciding)