Merge pull request #2561 from Razharas/LingFix

Fixes ling dna handling and tiny dna scanner fix

code/game/dna.dm

@@ -935,7 +935,7 @@
 						if("pulsese")
 							var/len = length(viable_occupant.dna.struc_enzymes)
 							num = Wrap(num, 1, len+1)
-							num = randomize_radiation_accuracy(num, radduration, len)
+							num = randomize_radiation_accuracy(num, radduration + (connected.precision_coeff ** 2), len)
 
 							var/block = round((num-1)/DNA_BLOCK_SIZE)+1
 							var/subblock = num - block*DNA_BLOCK_SIZE

code/game/gamemodes/changeling/changeling.dm

@@ -277,9 +277,14 @@ var/list/possible_changeling_IDs = list("Alpha","Beta","Gamma","Delta","Epsilon"
 			U << "<span class='warning'>We could gain no benefit from absorbing a lesser creature.</span>"
 			return 0
 
-		if(T.dna in absorbed_dna)
-			U << "<span class='warning'>We already have that DNA in storage.</span>"
-			return 0
+		for(var/datum/dna/D in absorbed_dna)
+			if(T.dna.uni_identity == D.uni_identity)
+				if(T.dna.struc_enzymes == D.struc_enzymes)
+					if(T.dna.real_name == D.real_name)
+						if(T.dna.mutantrace == D.mutantrace)
+							if(T.dna.blood_type == D.blood_type)
+								U << "<span class='warning'>We already have that DNA in storage.</span>"
+								return 0
 
 		if(!check_dna_integrity(T))
 			U << "<span class='warning'>[T] is not compatible with our biology.</span>"
@@ -292,7 +297,13 @@ var/list/possible_changeling_IDs = list("Alpha","Beta","Gamma","Delta","Epsilon"
 /datum/changeling/proc/absorb_dna(mob/living/carbon/T)
 	shuffle_dna()
 	T.dna.real_name = T.real_name //Set this again, just to be sure that it's properly set.
-	absorbed_dna |= T.dna //And add the target DNA to our absorbed list.
+	var/datum/dna/new_dna = new T.dna.type
+	new_dna.uni_identity = T.dna.uni_identity
+	new_dna.struc_enzymes = T.dna.struc_enzymes
+	new_dna.real_name = T.dna.real_name
+	new_dna.mutantrace = T.dna.mutantrace
+	new_dna.blood_type = T.dna.blood_type
+	absorbed_dna |= new_dna //And add the target DNA to our absorbed list.
 	absorbedcount++ //all that done, let's increment the objective counter.
 
 /datum/changeling/proc/shuffle_dna()//boots out the stalest DNA.

code/game/gamemodes/changeling/changeling_powers.dm

@@ -161,7 +161,8 @@
 
 	changeling.chem_charges -= 5
 	changeling.geneticdamage = 3
-	hardset_dna(src, chosen_dna.uni_identity, chosen_dna.struc_enzymes, chosen_dna.real_name, chosen_dna.mutantrace, chosen_dna.blood_type)
+	src.dna = chosen_dna
+	src.real_name = chosen_dna.real_name
 	updateappearance(src)
 	domutcheck(src, null)
 
@@ -216,7 +217,8 @@
 	changeling.chem_charges -= 5
 	remove_changeling_powers()
 	src << "<span class='notice'>We transform our appearance.</span>"
-	hardset_dna(src, chosen_dna.uni_identity, chosen_dna.struc_enzymes, chosen_dna.real_name, chosen_dna.mutantrace, chosen_dna.blood_type)
+	src.dna = chosen_dna
+
 
 	var/mob/living/carbon/human/O = humanize((TR_KEEPITEMS | TR_KEEPIMPLANTS | TR_KEEPDAMAGE | TR_KEEPSRC),chosen_dna.real_name)