Migrate Carpet Mixin names to mojang mappings

src/main/java/carpet/mixins/LevelChunk_fillUpdatesMixin.java

@@ -0,0 +1,44 @@
+package carpet.mixins;
+
+import carpet.CarpetSettings;
+import net.minecraft.core.BlockPos;
+import net.minecraft.world.level.Level;
+import net.minecraft.world.level.block.state.BlockState;
+import net.minecraft.world.level.chunk.LevelChunk;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+@Mixin(LevelChunk.class)
+public class LevelChunk_fillUpdatesMixin
+{
+    // todo onStateReplaced needs a bit more love since it removes be which is needed
+    @Redirect(method = "setBlockState", at = @At(
+            value = "INVOKE",
+            target = "Lnet/minecraft/world/level/block/state/BlockState;onPlace(Lnet/minecraft/world/level/Level;Lnet/minecraft/core/BlockPos;Lnet/minecraft/world/level/block/state/BlockState;Z)V"
+    ))
+    private void onAdded(BlockState blockState, Level world_1, BlockPos blockPos_1, BlockState blockState_1, boolean boolean_1)
+    {
+        if (!CarpetSettings.impendingFillSkipUpdates.get())
+            blockState.onPlace(world_1, blockPos_1, blockState_1, boolean_1);
+    }
+
+    @Redirect(method = "setBlockState", at = @At(
+            value = "INVOKE",
+            target = "Lnet/minecraft/world/level/block/state/BlockState;onRemove(Lnet/minecraft/world/level/Level;Lnet/minecraft/core/BlockPos;Lnet/minecraft/world/level/block/state/BlockState;Z)V"
+    ))
+    private void onRemovedBlock(BlockState blockState, Level world, BlockPos pos, BlockState state, boolean moved)
+    {
+        if (CarpetSettings.impendingFillSkipUpdates.get()) // doing due dilligence from AbstractBlock onStateReplaced
+        {
+            if (blockState.hasBlockEntity() && !blockState.is(state.getBlock()))
+            {
+                world.removeBlockEntity(pos);
+            }
+        }
+        else
+        {
+            blockState.onRemove(world, pos, state, moved);
+        }
+    }
+}