Now have doors that you can walk though. No open/close animation yet.

assets/config.json

@@ -231,6 +231,11 @@
       "frame_width": 256,
       "frame_height": 256
     },
+    "door_plain":
+    {"path": "assets/sprites/door_plain.png",
+      "frame_width": 256,
+      "frame_height": 256
+    },
     "dead_body_lootable":
     {"path": "assets/sprites/dead_body_lootable.png",
       "frame_width": 256,

assets/map_tiles.json

@@ -136,5 +136,11 @@
         "display": 1218,
         "x": 128,
         "y": 128
+    },
+    {
+        "centered": true,
+        "display": 1087,
+        "x": 128,
+        "y": 128
     }
 ]

assets/tiles.json

@@ -65,5 +65,13 @@
     "foreground": "color:BAD",
     "background": "color:BAD",
     "id": 8
+  },
+  "door_plain": {
+    "texture": "assets/textures/door_plain.png",
+    "display": 1087,
+    "light": 0,
+    "foreground": "tiles/fg:wall_plain",
+    "background": "tiles/bg:wall_plain",
+    "id": 9
   }
 }