fix Bugg being resurrected in Bay of Pearls (#13950)

changelog

@@ -15,6 +15,7 @@ CVS HEAD:
    * Eastern Invasion: fixed missing background in intro (#13901)
    * Son of the Black Eye: fixed untranslatable strings in Saving Inarix
    * The Dark Hordes: terminate the campaign at this point as Part 1
+   * Heir to the Throne: stop Bugg being resurrected in Bay of Pearls (#13950)
  * multiplayer:
    * fixed rejoining game as observer but with same nick causing out of synch
      (#12824 and #12997, still subject to confirmation)

data/scenarios/Heir_To_The_Throne/Bay_of_Pearls.cfg

@@ -182,6 +182,13 @@
 	#comic relief with Bugg becoming a 'sea orc'
 	[event]
 	name=turn 3
+		# ensure Bugg hasn't been killed
+		[if]
+			[have_unit]
+			side=2
+			description=Bugg
+			[/have_unit]
+		[then]
 		[message]
 		description=Bugg
 		message= _ "But boss, why are we only using bats and nagas?"
@@ -203,33 +210,40 @@
 		image=portraits/core/James_Woo/orc-warlord2.png
 		message= _ "Shut up, worm! I'm the boss!"
 		[/message]
-	[/event]
-
-	#we have to put Bugg being killed and him turning into a sea orc
-	#in different events, since normally kills are processed after
-	#units being created if they're in the same event
-	[event]
-	name=turn 4
-		[kill]
-		description=Bugg
-		[/kill]
+		[/then]
+		[/if]
 	[/event]
 
 	[event]
 	name=turn 4
+		[if]
+			[have_unit]
+			side=2
+			description=Bugg
+			[/have_unit]
+		[then]
+		#override kills being processed after
+		#units being created if they're in the same event
+		[command]
+			[kill]
+			description=Bugg
+			[/kill]
 
-		{UNIT (Sea Orc) (Bugg) ( _ "Bugg") 2 16 18}
+			{UNIT (Sea Orc) (Bugg) ( _ "Bugg") 2 16 18}
 
-		[message]
-		description=Bugg
-		message= _ "Ha ha ha! Now orcs will rule over land and sea!"
-		[/message]
+			[message]
+			description=Bugg
+			message= _ "Ha ha ha! Now orcs will rule over land and sea!"
+			[/message]
 
-		[message]
-		description=Dwaba-Kukai
-		image=portraits/core/James_Woo/orc-warlord2.png
-		message= _ "(Sigh) Will someone kill this idiot for me, please?"
-		[/message]
+			[message]
+			description=Dwaba-Kukai
+			image=portraits/core/James_Woo/orc-warlord2.png
+			message= _ "(Sigh) Will someone kill this idiot for me, please?"
+			[/message]
+		[/command]
+		[/then]
+		[/if]
 	[/event]
 
 	[event]