Simplified and modernized the way Baran is sighted and the gate unlocked.

data/campaigns/Two_Brothers/scenarios/03_Guarded_Castle.cfg

@@ -1,14 +1,4 @@
 #textdomain wesnoth-tb
-[terrain_type]
-    #impassable custom magic gate
-    symbol_image=../scenery/gate-rusty-se
-    id=magic_irongate
-    name= _ "Irongate"
-    string=Xzga
-    aliasof=Xu
-[/terrain_type]
-
-{TERRAIN_BASE Xzga flat/road}
 
 [scenario]
     #textdomain wesnoth-tb
@@ -221,28 +211,19 @@ Yet for some reason I fear these brothers more. If Mordak were here it would be
             [/gold_carryover]
         [/objectives]
 
-        {VARIABLE Got_Key 0}
+        {VARIABLE Got_Key no}
         {VARIABLE delay_guards false}
 
         #placing prison gates
-        [terrain]
-            x=5
-            y=5
-            terrain=Xzga    # wmllint: ignore
-        [/terrain]
         {PLACE_IMAGE scenery/gate-rusty-se.png 5 5}
-        [terrain]
-            x=6
-            y=10
-            terrain=Xzga    # wmllint: ignore
-        [/terrain]
         {PLACE_IMAGE scenery/gate-rusty-sw.png 6 10}
-        #       [terrain]
+        
-        #           x=7
+        #making the gates impassable
-        #           y=7
+        [terrain]
-        #           terrain=Xzga
+            x=5,6
-        #       [/terrain]
+            y=5,10
-        #       {PLACE_IMAGE scenery/gate-rusty-se.png 5 5}
+            terrain=Uu^Xo
+        [/terrain]
 
         #making it more like a real prison
         {PLACE_IMAGE items/bones.png 5 12}
@@ -578,7 +559,7 @@ Yet for some reason I fear these brothers more. If Mordak were here it would be
             speaker=Arvith
             message= _ "That may well be the key to the cell they’re holding Baran in! I will take it."
         [/message]
-        {VARIABLE Got_Key 1}
+        {VARIABLE Got_Key yes}
         [modify_turns]
             add=6
         [/modify_turns]
@@ -641,11 +622,17 @@ Yet for some reason I fear these brothers more. If Mordak were here it would be
 
     [event]
         name=moveto
-        [filter]
+
-            x=1-8
+        [filter_condition]
-            y=1-11
+            [have_location]
+                x,y=5,5
+                
+                [filter_vision]
                     side=1
-        [/filter]
+                [/filter_vision]
+            [/have_location]
+        [/filter_condition]
+
         [unit]
             side=1
             id=Baran
@@ -661,20 +648,11 @@ Yet for some reason I fear these brothers more. If Mordak were here it would be
                 {TRAIT_INTELLIGENT}
             [/modifications]
         [/unit]
-        [remove_shroud]
-            x=1-8,9-10,5
-            y=1-12,1-7,13
-            side=1
-        [/remove_shroud]
-    [/event]
 
-    [event]
+        [redraw]
-        name=moveto
-        [filter]
-            x=4-8,7,8
-            y=5-8,4,4
             side=1
-        [/filter]
+        [/redraw]
+
         [message]
             speaker=unit
             message= _"I found Baran. He is in this cell."
@@ -708,7 +686,7 @@ Yet for some reason I fear these brothers more. If Mordak were here it would be
         [if]
             [variable]
                 name=Got_Key
-                numerical_equals=0
+                boolean_equals=no
             [/variable]
             [then]
                 [objectives]
@@ -741,17 +719,22 @@ Yet for some reason I fear these brothers more. If Mordak were here it would be
             y=6,5
             id=Arvith
         [/filter]
-        [if]
+
+        [filter_condition]
             [variable]
                 name=Got_Key
-                numerical_equals=1
+                boolean_equals=yes
             [/variable]
-            [then]
+        [/filter_condition]
+
         {INCIDENTAL_MUSIC breaking_the_chains.ogg}
+        [remove_item]
+            x,y=5,5
+        [/remove_item]
         [terrain]
             x=5
             y=5
-                    terrain=Rr
+            terrain=Uu
         [/terrain]
         [message]
             speaker=Baran
@@ -782,11 +765,6 @@ Yet for some reason I fear these brothers more. If Mordak were here it would be
             bonus=yes
             {NEW_GOLD_CARRYOVER 40}
         [/endlevel]
-            [/then]
-            [else]
-                [allow_undo][/allow_undo]
-            [/else]
-        [/if]
     [/event]
 
     [event]