moved fog and void images into eponymous subfolders.

data/core/terrain-graphics.cfg

@@ -425,7 +425,7 @@
 {KEEP_BASE               Cd                                                        castle/sand/dirt}
 {KEEP_BASE               Kd                                                        castle/sand/cobbles}
 
-#{TERRAIN_BASE       ~                 fog}
+#{TERRAIN_BASE       ~                 fog/fog}
 
 #
 #     >  T R A N S I T I O N S   B E T W E E N   T E R R A I N S  <
@@ -739,5 +739,5 @@
 
 
 # Default terrain
-{TERRAIN_BASE _s void}
-{TERRAIN_BASE *  void}
+{TERRAIN_BASE _s void/void}
+{TERRAIN_BASE *  void/void}

data/core/terrain.cfg

@@ -936,7 +936,7 @@
 [/terrain_type]
 
 [terrain_type]
-    symbol_image=void
+    symbol_image=void/void
     editor_image=cave/wall-rough-tile
     id=cavewall
     name= _ "Cave Wall"
@@ -947,7 +947,7 @@
 [/terrain_type]
 
 [terrain_type]
-    symbol_image=void
+    symbol_image=void/void
     editor_image=cave/wall-hewn-tile
     id=cavewall_hewn
     name= _ "Cave Wall"
@@ -958,7 +958,7 @@
 [/terrain_type]
 
 [terrain_type]
-    symbol_image=void
+    symbol_image=void/void
     editor_image=cave/earthy-wall-rough-tile
     id=cavewall_earthy
     name= _ "Cave Wall"
@@ -969,7 +969,7 @@
 [/terrain_type]
 
 [terrain_type]
-    symbol_image=void
+    symbol_image=void/void
     editor_image=cave/earthy-wall-hewn-tile
     id=cavewall_earthy_hewn
     name= _ "Cave Wall"
@@ -980,7 +980,7 @@
 [/terrain_type]
 
 [terrain_type]
-    symbol_image=void
+    symbol_image=void/void
     editor_image=walls/wall-stone-tile
     id=wall_stone
     name= _ "Wall"
@@ -991,7 +991,7 @@
 [/terrain_type]
 
 [terrain_type]
-    symbol_image=void
+    symbol_image=void/void
     editor_image=walls/wall-stone-tile
     id=wall_stone_lit
     name= _ "Wall"
@@ -1002,7 +1002,7 @@
 [/terrain_type]
 
 [terrain_type]
-    symbol_image=void
+    symbol_image=void/void
     editor_image=impassable-editor
     id=impassable_overlay
     name= _ "Impassable"
@@ -1014,8 +1014,8 @@
 [/terrain_type]
 
 [terrain_type]
-    symbol_image=void
-    editor_image=void-editor
+    symbol_image=void/void
+    editor_image=void/void-editor
     id=void
     name= _ "Void"
     string=Xv
@@ -1932,8 +1932,8 @@
 [/terrain_type]
 
 [terrain_type]
-    symbol_image=void
-    editor_image=shroud-editor
+    symbol_image=void/void
+    editor_image=void/shroud-editor
     id=shroud
     name= _ "Shroud"
     string=_s       # wmllint: ignore
@@ -1941,8 +1941,8 @@
 [/terrain_type]
 
 [terrain_type]
-    symbol_image=fog1
-    editor_image=fog-editor
+    symbol_image=fog/fog1
+    editor_image=fog/fog-editor
     id=fog
     name= _ "Fog"
     string=_f       # wmllint: ignore
@@ -1985,35 +1985,35 @@
 
 # these are "virtual" terrain
 [terrain_type]
-    symbol_image=void
+    symbol_image=void/void
     id=flat
     name= _ "Flat"
     string=Gt       # wmllint: ignore
     hidden=yes
 [/terrain_type]
 [terrain_type]
-    symbol_image=void
+    symbol_image=void/void
     id=frozen
     name= _ "Frozen"
     string=At       # wmllint: ignore
     hidden=yes
 [/terrain_type]
 [terrain_type]
-    symbol_image=void
+    symbol_image=void/void
     id=village
     name= _ "Village"
     string=Vi       # wmllint: ignore
     hidden=yes
 [/terrain_type]
 [terrain_type]
-    symbol_image=void
+    symbol_image=void/void
     id=impassable
     name= _ "Impassable"
     string=Xt       # wmllint: ignore
     hidden=yes
 [/terrain_type]
 [terrain_type]
-    symbol_image=void
+    symbol_image=void/void
     id=unwalkable
     name= _ "Unwalkable"
     string=Qt       # wmllint: ignore

data/game_config.cfg

@@ -107,8 +107,8 @@
         ellipsis="misc/icon-ellipsis.png"
     [/images]
 
-    fog_prefix="terrain/fog"
-    shroud_prefix="terrain/void"
+    fog_prefix="terrain/fog/fog"
+    shroud_prefix="terrain/void/void"
 
     {core/team-colors.cfg}