diff --git a/rogueviz/ru/classes.cpp b/rogueviz/ru/classes.cpp
index b174c828..d47e88ab 100644
--- a/rogueviz/ru/classes.cpp
+++ b/rogueviz/ru/classes.cpp
@@ -51,7 +51,7 @@ struct room {
   string roomname;
   renderbuffer *rbuf;
   cell *where;
-  char block_at[room_y][room_x];
+  short block_at[room_y][room_x];
   bool fov[room_y][room_x];
   bool which_map_rendered;
   bool infile, need_rerender;
diff --git a/rogueviz/ru/globals.cpp b/rogueviz/ru/globals.cpp
index 225e032a..ed2b999e 100644
--- a/rogueviz/ru/globals.cpp
+++ b/rogueviz/ru/globals.cpp
@@ -52,7 +52,7 @@ struct ruwall {
   flagtype flags;
   };
 
-enum eWall { wAir, wWall, wBouncy, wSpike, wWater, wFrozen, wDoor, wSmashedDoor, wFountain0, wFountain1, wBluePortal, wOrangePortal, wPlatform };
+enum eWall { wAir, wWall, wBouncy, wSpike, wWater, wFrozen, wDoor, wSmashedDoor, wLockedDoor, wFountain0, wFountain1, wBluePortal, wOrangePortal, wPlatform, wStaircase, wColumn, wForge, wGUARD };
 
 flagtype W_BLOCK = 1;
 flagtype W_TRANS = 2;
@@ -62,7 +62,7 @@ flagtype W_PAIN = 16;
 flagtype W_BOUNCY = 32;
 flagtype W_FROZEN = 64;
 
-constexpr int qwall = 14;
+constexpr int qwall = int(wGUARD);
 
 ruwall walls[qwall] = {
   {"air", ".", 0x40404080, W_TRANS},
@@ -73,12 +73,15 @@ ruwall walls[qwall] = {
   {"frozen water", "#", 0xC0C0FFFF, W_BLOCK | W_FROZEN},
   {"door", "+", 0xC06000FF, W_BLOCK},
   {"smashed door", "'", 0xC06000FF, W_TRANS},
+  {"locked door", "+", 0xA05000FF, W_BLOCK},
   {"magic fountain", "!", 0x8080C0FF, W_TRANS},
   {"magic fountain (active)", "!", 0xA0A0FFFF, W_TRANS},
   {"blue portal", "=", 0x4040C0FF, W_TRANS},
   {"orange portal", "=", 0xC08040FF, W_TRANS},
   {"platform", "-", 0xFFFFFFFF, W_PLATFORM | W_TRANS },
   {"staircase", "-", 0xFFFF80FF, W_PLATFORM | W_TRANS | W_STAIRCASE },
+  {"column", "|", 0x40404080, W_TRANS},
+  {"forge", "&", 0xB0202080, W_TRANS | W_PAIN},
   };
 
 int sel = 1;
diff --git a/rogueviz/ru/map.ru b/rogueviz/ru/map.ru
index cdaed37e..abf5c1be 100644
--- a/rogueviz/ru/map.ru
+++ b/rogueviz/ru/map.ru
@@ -4,6 +4,7 @@ ROOM Red Rooster Inn
 - platform
 A staircase
 . air
+L locked door
 MAP
 ...................##.............................+-....+..---...##.............
 ..................##################################----############............
@@ -12,8 +13,8 @@ MAP
 ...............##.......................#............A........#......##.........
 ..............##........................#...........A.........#.......##........
 .............##.........................#..........A..........#........##.......
-............##..........................+.........A...........+.........##......
-...........##...........................+........A............+..........##.....
+............##..........................L.........A...........L.........##......
+...........##...........................L........A............L..........##.....
 ..........############################################------################....
 .........###........................................##.A..................##....
 --........#b........................................#b..A.................#b....
@@ -66,6 +67,7 @@ ROOM Red Rooster Inn, guest rooms
 + door
 - platform
 . air
+L locked door
 MAP
 ................................................................................
 ................................................................................
@@ -91,20 +93,20 @@ MAP
 ................#b..........#b......#b#b#.......................................
 ................##..........##.......#####......................................
 ................#b..........#b........#b#b#.....................................
-................++..........++.........#####....................................
-................+b..........+b..........#b#b#...................................
-................++..........++...........#####..................................
-................+b..........+b............#b#b#.................................
+................LL..........LL.........#####....................................
+................Lb..........Lb..........#b#b#...................................
+................LL..........LL...........#####..................................
+................Lb..........Lb............#b#b#.................................
 ########################--######################................................
 ......................#b-b........#b........#b#b#...............................
 ......................##--........##.........#####..............................
 ......................#b-b........#b..........#b#b#.............................
 ......................##--........##...........#####............................
 ......................#b-b........#b............#b#b#...........................
-......................++--........++.............#####..........................
-......................+b-b........+b..............#b#b#.........................
-......................++--........++....------......####........................
-......................+b-b........+b....-b-b-b......#b#b........................
+......................LL--........++.............#####..........................
+......................Lb-b........+b..............#b#b#.........................
+......................LL--........++....------......####........................
+......................Lb-b........+b....-b-b-b......#b#b........................
 ##########################--------########################......................
 #b#b#b#b#b#b#b#b#b#b#b#b#b-b-b-b-b#b#b#b#b#b#b#b#b#b#b#b#b......................
 START 344 274
diff --git a/rogueviz/ru/render.cpp b/rogueviz/ru/render.cpp
index a19f08df..5adaf8b6 100644
--- a/rogueviz/ru/render.cpp
+++ b/rogueviz/ru/render.cpp
@@ -139,7 +139,7 @@ void render_room_walls(room *r) {
   for(int y=0; y<room_y; y++)
   for(int x=0; x<room_x; x++) {
     if(af && !r->fov[y][x]) continue;
-    char c = r->block_at[y][x];
+    int c = r->block_at[y][x];
 
     // ld sx = 1.5;
     // ld sy = 1.3;