fill stuff

src/main/java/carpet/mixins/Structure_fillUpdatesMixin.java

@@ -0,0 +1,24 @@
+package carpet.mixins;
+
+import carpet.CarpetSettings;
+import net.minecraft.block.Block;
+import net.minecraft.structure.Structure;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.IWorld;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+@Mixin(Structure.class)
+public class Structure_fillUpdatesMixin
+{
+    @Redirect( method = "method_15172", at = @At(
+            value = "INVOKE",
+            target = "Lnet/minecraft/world/IWorld;updateNeighbors(Lnet/minecraft/util/math/BlockPos;Lnet/minecraft/block/Block;)V"
+    ))
+    private void skipUpdateNeighbours(IWorld iWorld, BlockPos var1, Block var2)
+    {
+        if (!CarpetSettings.impendingFillSkipUpdates)
+            iWorld.updateNeighbors(var1, var2);
+    }
+}