Fixes scanning slimes with only two mutation possibilities. (#8284)

code/game/objects/items/devices/scanners.dm

@@ -488,18 +488,12 @@ BREATH ANALYZER
 	if(T.slime_mutation[4] == T.colour)
 		to_chat(user, span("warning", "This slime cannot evolve any further."))
 	else
-		if(T.slime_mutation[3] == T.slime_mutation[4])
-			if(T.slime_mutation[2] == T.slime_mutation[1])
-				to_chat(user, span("notice", "Possible mutation: [T.slime_mutation[3]]"))
-				to_chat(user, span("notice", "Instability: [T.mutation_chance/2]% chance of mutation upon reproduction."))
-			else
-				to_chat(user, span("notice", "Possible mutations: [T.slime_mutation[1]], [T.slime_mutation[2]], [T.slime_mutation[3]] (x2)"))
-				to_chat(user, span("notice", "Instability: [T.mutation_chance]% chance of mutation upon reproduction."))
-		else
-			to_chat(user, span("notice", "Possible mutations: [T.slime_mutation[1]], [T.slime_mutation[2]], [T.slime_mutation[3]], [T.slime_mutation[4]]"))
-			to_chat(user, span("notice", "Instability: [T.mutation_chance]% chance of mutation upon reproduction."))
-	to_chat(user, span("notice", "**************************"))
-
+		var/list/poss_mutations = uniquelist(T.slime_mutation)
+		var/mutation_message = capitalize(english_list(poss_mutations))
+		to_chat(user, SPAN_NOTICE(mutation_message))
+		var/mut_chance = T.mutation_chance / (poss_mutations.len > 2 ? 1 : 2)
+		to_chat(user, SPAN_NOTICE("Instability: [mut_chance]% chance of mutation upon reproduction."))
+		to_chat(user, SPAN_NOTICE("**************************"))
 
 /obj/item/device/price_scanner
 	name = "price scanner"

html/changelogs/slimemutationposs.yml

@@ -0,0 +1,41 @@
+################################
+# Example Changelog File
+#
+# Note: This file, and files beginning with ".", and files that don't end in ".yml" will not be read. If you change this file, you will look really dumb.
+#
+# Your changelog will be merged with a master changelog. (New stuff added only, and only on the date entry for the day it was merged.)
+# When it is, any changes listed below will disappear.
+#
+# Valid Prefixes: 
+#   bugfix
+#   wip (For works in progress)
+#   tweak
+#   soundadd
+#   sounddel
+#   rscadd (general adding of nice things)
+#   rscdel (general deleting of nice things)
+#   imageadd
+#   imagedel
+#   maptweak
+#   spellcheck (typo fixes)
+#   experiment
+#   balance
+#   admin
+#   backend
+#   security
+#   refactor
+#################################
+
+# Your name.  
+author: mikomyazaki
+
+# Optional: Remove this file after generating master changelog.  Useful for PR changelogs that won't get used again.
+delete-after: True
+
+# Any changes you've made.  See valid prefix list above.
+# INDENT WITH TWO SPACES.  NOT TABS.  SPACES.
+# SCREW THIS UP AND IT WON'T WORK.
+# Also, all entries are changed into a single [] after a master changelog generation. Just remove the brackets when you add new entries.
+# Please surround your changes in  double quotes ("), as certain characters otherwise screws up compiling. The quotes will not show up in the changelog.
+changes: 
+  - bugfix: "Scanning slimes with only two mutation possibilities will now display the two possibilities instead of just the second one."