Bigger houses (Gitea #7): a second row of roof on a wider house, a Roof Ridge for a 6 m-wide one, and a Half Wall and Ridge Gable to close their taller ends; also no error when a piece is dismantled straight after it's placed

data/items.json

@@ -280,13 +280,49 @@
       "name": "Wood Gable",
       "category": "building",
       "stack": 20,
-      "description": "Triangle that closes the end of a roof. R to flip it.",
+      "description": "Triangle that closes the end of a roof. R to flip it. On a wider house, stand it on a half wall to close a taller roof's end.",
       "mesh": "wood_gable",
       "place": {
         "piece": "build",
         "kind": "gable"
       }
     },
+    {
+      "id": "wood_half_wall",
+      "name": "Wood Half Wall",
+      "category": "building",
+      "stack": 20,
+      "description": "2 x 1 m. A low wall or railing, or on top of a wall, under a gable, to close the end of a wider house's taller roof.",
+      "mesh": "wood_half_wall",
+      "place": {
+        "piece": "build",
+        "kind": "half_wall"
+      }
+    },
+    {
+      "id": "wood_roof_ridge",
+      "name": "Wood Roof Ridge",
+      "category": "building",
+      "stack": 20,
+      "description": "A 2 m ridge cap: on a 6 m-wide house, it bridges the gap between the two sides' roofs, at the top.",
+      "mesh": "wood_roof_ridge",
+      "place": {
+        "piece": "build",
+        "kind": "roof_ridge"
+      }
+    },
+    {
+      "id": "wood_ridge_gable",
+      "name": "Wood Ridge Gable",
+      "category": "building",
+      "stack": 20,
+      "description": "A small triangle that closes the end under a roof ridge. Stand it on a half wall.",
+      "mesh": "wood_ridge_gable",
+      "place": {
+        "piece": "build",
+        "kind": "ridge_gable"
+      }
+    },
     {
       "id": "bed",
       "name": "Bed",