Gasping for words (#4453)

When the oxygen alert is active, there is now a 50% chance that a player will stop half way through their sentence and gasp for words.
This somewhat addresses the suggestion posted on the forum by Fortport

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

@@ -297,4 +297,24 @@
 				if(length(cword))
 					rearranged += cword
 			message ="[prefix][jointext(rearranged," ")]"
+		if(losebreath>=5) //Gasping is a mutation, right?
+			var/prefix=copytext(message,1,2)
+			if(prefix == ";")
+				message = copytext(message,2)
+			else if(prefix in list(":","#"))
+				prefix += copytext(message,2,3)
+				message = copytext(message,3)
+			else
+				prefix=""
+
+			var/list/words = splittext(message," ")
+			if (prob(50))
+				if (words.len>1)
+					var/gasppoint = rand(2, words.len)
+					words.Cut(gasppoint)
+				words[words.len] = "[words[words.len]]..."
+				emote("gasp")
+
+
+			message = "[prefix][jointext(words," ")]"
 	return message

html/changelogs/thegreatnacho-gasp.yml

@@ -0,0 +1,37 @@
+################################
+# 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
+#################################
+
+# Your name.  
+author: TheGreatNacho
+
+# 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: 
+  - balance: "Added gasping for air when people are losing their breath."