Forest trash updates, add fieldstone to digging results, also can be …

…turned to rock

data/json/itemgroups/misc.json

@@ -175,6 +175,7 @@
       { "item": "rock_flaking", "count": [ 1, 4 ], "prob": 2 },
       { "item": "flint", "prob": 1 },
       { "item": "rock_large", "prob": 10 },
+      { "item": "field_stone", "prob": 10, "count": [ 1, 4 ] },
       { "item": "pebble", "count": [ 1, 4 ], "prob": 15 }
     ]
   },

data/json/itemgroups/trash_and_debris.json

@@ -98,8 +98,8 @@
     "type": "item_group",
     "id": "trash_forest",
     "items": [
-      { "item": "twig", "prob": 100, "count": [ 5, 20 ] },
-      [ "rock", 80 ],
+      { "item": "twig", "prob": 100, "count": [ 5, 40 ] },
+      { "item": "rock", "prob": 80, "count": [ 1, 3 ] },
       [ "rock_flaking", 80 ],
       [ "flint", 20 ],
       [ "stick", 80 ],
@@ -110,9 +110,10 @@
       [ "straw_pile", 80 ],
       [ "tanbark", 80 ],
       [ "rock_large", 70 ],
+      [ "field_stone", 70 ],
       [ "ceramic_shard", 10 ],
       [ "pine_bough", 70 ],
-      [ "splinter", 70 ],
+      { "item": "splinter", "prob": 70, "count": [ 1, 5 ] },
       [ "hickory_root", 65 ],
       [ "hickory_nut", 65 ],
       [ "tinder", 50 ],
@@ -159,10 +160,12 @@
       [ "steel_chunk", 3 ],
       { "item": "scrap", "prob": 3 },
       { "item": "glass_shard", "prob": 3 },
+      { "item": "pebble", "prob": 30, "count": [ 1, 5 ] },
       [ "wire_barbed", 3 ],
       [ "syringe", 3 ],
       [ "spike", 3 ],
       [ "thermos", 3 ],
+      [ "log", 3 ],
       [ "bag_body_bag", 1 ]
     ]
   },

data/json/recipes/other/parts.json

@@ -925,6 +925,20 @@
     "qualities": [ { "id": "HAMMER", "level": 1 } ],
     "components": [ [ [ "rock_flaking", 1 ] ] ]
   },
+  {
+    "type": "recipe",
+    "activity_level": "MODERATE_EXERCISE",
+    "result": "rock",
+    "charges": 3,
+    "byproducts": [ [ "pebble", 9 ] ],
+    "category": "CC_OTHER",
+    "subcategory": "CSC_OTHER_MATERIALS",
+    "skill_used": "survival",
+    "time": "5 m",
+    "autolearn": true,
+    "qualities": [ { "id": "HAMMER", "level": 1 } ],
+    "components": [ [ [ "field_stone", 1 ] ] ]
+  },
   {
     "type": "recipe",
     "activity_level": "MODERATE_EXERCISE",