Replace random_patch feature type (#1281)

* replace `random_patch`

* fully replace the configured features and do this properly

Author: runcows

gm4_cooler_caves/data/gm4_cooler_caves/worldgen/configured_feature/snowy/patch_berry_bush.json

@@ -1,5 +1,18 @@
 {
-  "feature": "gm4_cooler_caves:snowy/patch_berry_bush",
+  "feature": {
+    "type": "minecraft:simple_block",
+    "config": {
+      "to_place": {
+        "type": "minecraft:simple_state_provider",
+        "state": {
+          "Name": "minecraft:sweet_berry_bush",
+          "Properties": {
+            "age": "3"
+          }
+        }
+      }
+    }
+  },
   "placement": [
     {
       "type": "minecraft:rarity_filter",
@@ -14,6 +27,47 @@
     },
     {
       "type": "minecraft:biome"
+    },
+    {
+      "type": "minecraft:count",
+      "count": 96
+    },
+    {
+      "type": "minecraft:random_offset",
+      "xz_spread": {
+        "type": "minecraft:uniform",
+        "min_inclusive": 0,
+        "max_inclusive": 7
+      },
+      "y_spread": {
+        "type": "minecraft:uniform",
+        "min_inclusive": 0,
+        "max_inclusive": 3
+      }
+    },
+    {
+      "type": "minecraft:block_predicate_filter",
+      "predicate": {
+        "type": "minecraft:all_of",
+        "predicates": [
+          {
+            "type": "minecraft:matching_blocks",
+            "blocks": "minecraft:air"
+          },
+          {
+            "type": "minecraft:matching_blocks",
+            "blocks": [
+              "minecraft:snow_block",
+              "minecraft:powder_snow"
+            ],
+            "offset": [
+              0,
+              -1,
+              0
+            ]
+          }
+        ]
+      }
     }
   ]
 }

gm4_cooler_caves/data/gm4_cooler_caves/worldgen/configured_feature/snowy/patch_snow_layer.json

@@ -1,5 +1,18 @@
 {
-  "feature": "gm4_cooler_caves:snowy/patch_snow_layer",
+  "feature": {
+    "type": "minecraft:simple_block",
+    "config": {
+      "to_place": {
+        "type": "minecraft:simple_state_provider",
+        "state": {
+          "Name": "minecraft:snow",
+          "Properties": {
+            "layers": "2"
+          }
+        }
+      }
+    }
+  },
   "placement": [
     {
       "type": "minecraft:in_square"
@@ -10,6 +23,30 @@
     },
     {
       "type": "minecraft:biome"
+    },
+    {
+      "type": "minecraft:count",
+      "count": 32
+    },
+    {
+      "type": "minecraft:random_offset",
+      "xz_spread": {
+        "type": "minecraft:uniform",
+        "min_inclusive": 0,
+        "max_inclusive": 7
+      },
+      "y_spread": {
+        "type": "minecraft:uniform",
+        "min_inclusive": 0,
+        "max_inclusive": 3
+      }
+    },
+    {
+      "type": "minecraft:block_predicate_filter",
+      "predicate": {
+        "type": "minecraft:matching_blocks",
+        "blocks": "minecraft:air"
+      }
     }
   ]
 }