[1.21.1] Make Neoforge's Needs Netherite Tool block tag be added to vanilla's incorrect block tags

src/generated/resources/data/minecraft/tags/block/incorrect_for_diamond_tool.json

@@ -0,0 +1,5 @@
+{
+  "values": [
+    "#neoforge:needs_netherite_tool"
+  ]
+}

src/generated/resources/data/minecraft/tags/block/incorrect_for_gold_tool.json

@@ -0,0 +1,5 @@
+{
+  "values": [
+    "#neoforge:needs_netherite_tool"
+  ]
+}

src/generated/resources/data/minecraft/tags/block/incorrect_for_iron_tool.json

@@ -0,0 +1,5 @@
+{
+  "values": [
+    "#neoforge:needs_netherite_tool"
+  ]
+}

src/generated/resources/data/minecraft/tags/block/incorrect_for_stone_tool.json

@@ -0,0 +1,5 @@
+{
+  "values": [
+    "#neoforge:needs_netherite_tool"
+  ]
+}

src/generated/resources/data/minecraft/tags/block/incorrect_for_wooden_tool.json

@@ -0,0 +1,5 @@
+{
+  "values": [
+    "#neoforge:needs_netherite_tool"
+  ]
+}

src/generated/resources/data/neoforge/tags/block/needs_netherite_tool.json

@@ -0,0 +1,3 @@
+{
+  "values": []
+}

src/main/java/net/neoforged/neoforge/common/Tags.java

@@ -35,8 +35,28 @@ public static class Blocks {
          * This is patched into the following method: {@link net.minecraft.world.entity.monster.EnderMan.EndermanLeaveBlockGoal#canPlaceBlock(Level, BlockPos, BlockState, BlockState, BlockState, BlockPos)}
          */
         public static final TagKey<Block> ENDERMAN_PLACE_ON_BLACKLIST = neoforgeTag("enderman_place_on_blacklist");
+
+        /**
+         * For denoting blocks that need tools that are Wood or higher to mine.
+         * By default, this is not added to any Minecraft tag since by default, Wood is in the lowest "tier".
+         */
         public static final TagKey<Block> NEEDS_WOOD_TOOL = neoforgeTag("needs_wood_tool");
+
+        /**
+         * For denoting blocks that need tools that are Gold or higher to mine.
+         * By default, this is not added to any Minecraft tag since by default, Gold is in the lowest "tier".
+         */
         public static final TagKey<Block> NEEDS_GOLD_TOOL = neoforgeTag("needs_gold_tool");
+
+        /**
+         * For denoting blocks that need tools that are Netherite or higher to mine.
+         * Blocks in this tag gets added to the following Minecraft tags:
+         * {@link BlockTags#INCORRECT_FOR_WOODEN_TOOL}
+         * {@link BlockTags#INCORRECT_FOR_STONE_TOOL}
+         * {@link BlockTags#INCORRECT_FOR_IRON_TOOL}
+         * {@link BlockTags#INCORRECT_FOR_GOLD_TOOL}
+         * {@link BlockTags#INCORRECT_FOR_DIAMOND_TOOL}
+         */
         public static final TagKey<Block> NEEDS_NETHERITE_TOOL = neoforgeTag("needs_netherite_tool");
 
         // `c` tags for common conventions

src/main/java/net/neoforged/neoforge/common/data/internal/NeoForgeBlockTagsProvider.java

@@ -160,6 +160,14 @@ public void addTags(HolderLookup.Provider p_256380_) {
 
         tag(Tags.Blocks.VILLAGER_FARMLANDS).add(Blocks.FARMLAND);
 
+        // Make our Needs Netherite Tool tag be functional.
+        tag(Tags.Blocks.NEEDS_NETHERITE_TOOL);
+        tag(BlockTags.INCORRECT_FOR_WOODEN_TOOL).addTag(Tags.Blocks.NEEDS_NETHERITE_TOOL);
+        tag(BlockTags.INCORRECT_FOR_STONE_TOOL).addTag(Tags.Blocks.NEEDS_NETHERITE_TOOL);
+        tag(BlockTags.INCORRECT_FOR_IRON_TOOL).addTag(Tags.Blocks.NEEDS_NETHERITE_TOOL);
+        tag(BlockTags.INCORRECT_FOR_GOLD_TOOL).addTag(Tags.Blocks.NEEDS_NETHERITE_TOOL);
+        tag(BlockTags.INCORRECT_FOR_DIAMOND_TOOL).addTag(Tags.Blocks.NEEDS_NETHERITE_TOOL);
+
         // Backwards compat with pre-1.21 tags. Done after so optional tag is last for better readability.
         // TODO: Remove backwards compat tag entries in 1.22
         tagWithOptionalLegacy(Tags.Blocks.BARRELS);