Add new no-lid variant of large clay pot, make it usable for the slow sand water filter

data/json/items/containers/containers.json

@@ -2032,7 +2032,7 @@
     "category": "container",
     "name": { "str": "clay canister" },
     "looks_like": "bowl_clay",
-    "description": "A fragile clay vessel.  It can be used to make crude impact grenades or to store liquid.",
+    "description": "A fragile clay vessel with a waterproofed hide lid.  It can be used to make crude impact grenades or to store liquid.",
     "ascii_picture": "clay_canister",
     "weight": "268 g",
     "volume": "295 ml",
@@ -2088,7 +2088,7 @@
     "category": "container",
     "name": { "str": "clay hydria" },
     "looks_like": "bowl_clay",
-    "description": "A 15-liter clay pot with three handles for carrying and pouring.",
+    "description": "A 15-liter clay pot with three handles for carrying and pouring.  It also has a waterproofed hide lid.",
     "ascii_picture": "clay_hydria",
     "weight": "1955 g",
     "volume": "17700 ml",
@@ -2142,6 +2142,23 @@
     "flags": [ "FRAGILE_MELEE" ],
     "melee_damage": { "bash": 10 }
   },
+  {
+    "id": "clay_watercont_no_lid",
+    "type": "GENERIC",
+    "name": { "str": "large clay pot (no lid)", "str_pl": "large clay pots (no lid)" },
+    "description": "A bulky and heavy clay pot, meant to store water, but can carry other liquids in a pinch.",
+    "copy-from": "clay_watercont",
+    "pocket_data": [
+      {
+        "pocket_type": "CONTAINER",
+        "rigid": true,
+        "open_container": true,
+        "watertight": true,
+        "max_contains_volume": "37500 ml",
+        "max_contains_weight": "50 kg"
+      }
+    ]
+  },
   {
     "id": "cup_plastic",
     "type": "GENERIC",
@@ -2557,7 +2574,7 @@
     "category": "container",
     "name": { "str": "clay jug" },
     "looks_like": "bowl_clay",
-    "description": "A clay container with a lid, used to hold and pour liquids.",
+    "description": "A clay container with a waterproofed hide lid, used to hold and pour liquids.",
     "ascii_picture": "jug_clay",
     "weight": "400 g",
     "volume": "1180 ml",

data/json/items/tool/cooking.json

@@ -257,7 +257,15 @@
     "material": [ "clay" ],
     "symbol": ")",
     "color": "brown",
-    "pocket_data": [ { "max_contains_volume": "2 L", "max_contains_weight": "2100 g", "watertight": true, "rigid": true } ],
+    "pocket_data": [
+      {
+        "max_contains_volume": "2 L",
+        "max_contains_weight": "2100 g",
+        "open_container": true,
+        "watertight": true,
+        "rigid": true
+      }
+    ],
     "qualities": [ [ "COOK", 3 ], [ "BOIL", 2 ], [ "CONTAIN", 1 ], [ "CHEM", 1 ] ],
     "use_action": [ "HEAT_ALL_ITEMS" ],
     "flags": [ "ALLOWS_REMOTE_USE" ],

data/json/recipes/tools/containers.json

@@ -923,6 +923,21 @@
     "using": [ [ "cordage_short", 2 ], [ "glazing", 3 ], [ "earthenware_firing", 160 ] ],
     "components": [ [ [ "any_water", 3, "LIST" ] ], [ [ "clay_lump", 20 ] ], [ [ "leather", 3 ], [ "fur", 3 ] ] ]
   },
+  {
+    "type": "recipe",
+    "activity_level": "LIGHT_EXERCISE",
+    "result": "clay_watercont_no_lid",
+    "category": "CC_OTHER",
+    "subcategory": "CSC_OTHER_CONTAINERS",
+    "skill_used": "fabrication",
+    "skills_required": [ "survival", 1 ],
+    "difficulty": 2,
+    "time": "77 m",
+    "autolearn": true,
+    "proficiencies": [ { "proficiency": "prof_pottery" }, { "proficiency": "prof_pottery_glazing" } ],
+    "using": [ [ "glazing", 3 ], [ "earthenware_firing", 160 ] ],
+    "components": [ [ [ "any_water", 3, "LIST" ] ], [ [ "clay_lump", 20 ] ] ]
+  },
   {
     "type": "recipe",
     "activity_level": "LIGHT_EXERCISE",

data/json/recipes/tools/tools_primitive.json

@@ -509,7 +509,7 @@
     "//": "Slow sand biofilter: https://wwwnc.cdc.gov/travel/yellowbook/2024/preparing/water-disinfection#:~:text=Figure%202%2D02.%20Emergency%20gravel%20and%20sand%20filter",
     "//1": "Density of sand is around 1.6g/cm^3. Gravel is similar. In a 10 in diameter bucket, 4 in of gravel is about 8 kg and 10 in of sand is about 20 kg.",
     "components": [
-      [ [ "bucket_5gal", 1 ] ],
+      [ [ "bucket_5gal", 1 ], [ "clay_watercont", 1 ], [ "clay_watercont_no_lid", 1 ] ],
       [ [ "material_sand", 2500 ] ],
       [ [ "material_gravel", 1000 ] ],
       [ [ "cotton_patchwork", 4 ], [ "wire_mesh", 4 ] ]