45a great reg split

src/main/java/carpet/mixins/ChunkHolder_scarpetChunkCreationMixin.java

@@ -2,13 +2,13 @@ package carpet.mixins;
 
 import carpet.fakes.ChunkHolderInterface;
 import com.mojang.datafixers.util.Either;
+import net.minecraft.core.registries.Registries;
 import org.spongepowered.asm.mixin.Final;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
 
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.atomic.AtomicReferenceArray;
-import net.minecraft.core.Registry;
 import net.minecraft.server.level.ChunkHolder;
 import net.minecraft.server.level.ServerLevel;
 import net.minecraft.util.thread.BlockableEventLoop;
@@ -30,7 +30,7 @@ public abstract class ChunkHolder_scarpetChunkCreationMixin implements ChunkHold
     {
         int i = ChunkStatus.EMPTY.getIndex();
         CompletableFuture<Either<ChunkAccess, ChunkHolder.ChunkLoadingFailure>> completableFuture2 = CompletableFuture.supplyAsync(
-                () -> Either.left(new ProtoChunk(chpos, UpgradeData.EMPTY, world,  world.registryAccess().registryOrThrow(Registry.BIOME_REGISTRY), null)), // todo figure out what that does - maybe add an option to reset with blending enabled..?
+                () -> Either.left(new ProtoChunk(chpos, UpgradeData.EMPTY, world,  world.registryAccess().registryOrThrow(Registries.BIOME), null)), // todo figure out what that does - maybe add an option to reset with blending enabled..?
                 executor
         );
         updateChunkToSave(completableFuture2, "unfull"); // possible debug data

src/main/java/carpet/mixins/CoralFanBlock_renewableCoralMixin.java

@@ -4,7 +4,7 @@ import carpet.CarpetSettings;
 import carpet.fakes.CoralFeatureInterface;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Holder;
-import net.minecraft.core.Registry;
+import net.minecraft.core.registries.Registries;
 import net.minecraft.server.level.ServerLevel;
 import net.minecraft.tags.BlockTags;
 import net.minecraft.tags.FluidTags;
@@ -58,7 +58,7 @@ public abstract class CoralFanBlock_renewableCoralMixin implements BonemealableB
 
         MaterialColor color = blockUnder.getMapColor(worldIn, pos);
         BlockState proper_block = blockUnder;
-        Set<Block> coralBlockSet = worldIn.registryAccess().registryOrThrow(Registry.BLOCK_REGISTRY).getTag(BlockTags.CORAL_BLOCKS).orElseThrow().stream().map(Holder::value).collect(Collectors.toUnmodifiableSet());
+        Set<Block> coralBlockSet = worldIn.registryAccess().registryOrThrow(Registries.BLOCK).getTag(BlockTags.CORAL_BLOCKS).orElseThrow().stream().map(Holder::value).collect(Collectors.toUnmodifiableSet());
         for (Block block: coralBlockSet)
         {
             proper_block = block.defaultBlockState();

src/main/java/carpet/mixins/CoralPlantBlock_renewableCoralMixin.java

@@ -3,7 +3,7 @@ package carpet.mixins;
 import carpet.CarpetSettings;
 import carpet.fakes.CoralFeatureInterface;
 import net.minecraft.core.Holder;
-import net.minecraft.core.Registry;
+import net.minecraft.core.registries.Registries;
 import net.minecraft.util.RandomSource;
 import org.spongepowered.asm.mixin.Mixin;
 
@@ -60,7 +60,7 @@ public abstract class CoralPlantBlock_renewableCoralMixin implements Bonemealabl
 
         MaterialColor color = blockUnder.getMapColor(worldIn, pos);
         BlockState proper_block = blockUnder;
-        Set<Block> coralBlockSet = worldIn.registryAccess().registryOrThrow(Registry.BLOCK_REGISTRY).getTag(BlockTags.CORAL_BLOCKS).orElseThrow().stream().map(Holder::value).collect(Collectors.toUnmodifiableSet());
+        Set<Block> coralBlockSet = worldIn.registryAccess().registryOrThrow(Registries.BLOCK).getTag(BlockTags.CORAL_BLOCKS).orElseThrow().stream().map(Holder::value).collect(Collectors.toUnmodifiableSet());
         for (Block block: coralBlockSet)
         {
             proper_block = block.defaultBlockState();

src/main/java/carpet/mixins/RecipeManager_scarpetMixin.java

@@ -2,6 +2,7 @@ package carpet.mixins;
 
 import carpet.fakes.RecipeManagerInterface;
 import com.google.common.collect.Lists;
+import net.minecraft.core.registries.BuiltInRegistries;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
 
@@ -9,7 +10,6 @@ import java.util.Collections;
 import java.util.List;
 import java.util.Map;
 import java.util.stream.Collectors;
-import net.minecraft.core.Registry;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.world.item.crafting.Recipe;
 import net.minecraft.world.item.crafting.RecipeManager;
@@ -29,6 +29,6 @@ public class RecipeManager_scarpetMixin implements RecipeManagerInterface
         if (typeRecipes == null) return Collections.emptyList();
         if (typeRecipes.containsKey(output)) return Collections.singletonList(typeRecipes.get(output));
         return Lists.newArrayList(typeRecipes.values().stream().filter(
-                r -> Registry.ITEM.getKey(r.getResultItem().getItem()).equals(output)).collect(Collectors.toList()));
+                r -> BuiltInRegistries.ITEM.getKey(r.getResultItem().getItem()).equals(output)).collect(Collectors.toList()));
     }
 }