diff --git a/rogueviz/ru/render.cpp b/rogueviz/ru/render.cpp
index 2d57b091..9bfcff03 100644
--- a/rogueviz/ru/render.cpp
+++ b/rogueviz/ru/render.cpp
@@ -131,6 +131,8 @@ void compute_scrm() {
   scrm.T[2][2] = 1;
   }
 
+bool final_view = false;
+
 void render_room_walls(room *r) {
   initquickqueue();
   bool af = should_apply_fov();
@@ -142,6 +144,17 @@ void render_room_walls(room *r) {
     if(af && !r->fov[y][x]) continue;
     int c = r->block_at[y][x];
 
+    if(!af && final_view) {
+      int x1 = x-1, y1 = y-1, x2 = x+2, y2 = y+2;
+      if(c&4) x2++, y2++;
+      if(c&1) x1--, x2--;
+      if(c&2) y1--, y2--;
+      if(x1<0) x1=0; if(y1<0) y1=0; if(x2>room_x) x2=room_x; if(y2>room_y) y2=room_y;
+      for(int ax=x1; ax<x2; ax++) for(int ay=y1; ay<y2; ay++) if(walls[r->at(ax, ay)].flags & W_TRANS) goto ok;
+      continue;
+      }
+    ok:
+
     // ld sx = 1.5;
     // ld sy = 1.3;
 
diff --git a/rogueviz/ru/ru.cpp b/rogueviz/ru/ru.cpp
index 0631fa6b..f97b94cb 100644
--- a/rogueviz/ru/ru.cpp
+++ b/rogueviz/ru/ru.cpp
@@ -98,6 +98,7 @@ void editmap_frame() {
     dialog::display();
     });
   if(keypressed('f')) floodfill_pick(mousepx / block_x, mousepy / block_y);
+  if(keypressed('x')) final_view = !final_view;
   if(keypressed('t')) { m.where = xy(mousepx, mousepy); m.vel = xy(0, 0); current_room->edited = true; m.existing = true; m.hp = m.max_hp(); }
   }