missing stuff from quickcarpet

src/main/java/carpet/mixins/InfestedBlockMixin.java

@@ -0,0 +1,34 @@
+package carpet.mixins;
+
+import carpet.CarpetSettings;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.Blocks;
+import net.minecraft.block.InfestedBlock;
+import net.minecraft.item.ItemStack;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.World;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Mixin(InfestedBlock.class)
+public abstract class InfestedBlockMixin extends Block
+{
+    public InfestedBlockMixin(Settings block$Settings_1)
+    {
+        super(block$Settings_1);
+    }
+
+    @Inject(method = "onStacksDropped", at = @At(value = "INVOKE", shift = At.Shift.AFTER,
+            target = "Lnet/minecraft/entity/mob/SilverfishEntity;playSpawnEffects()V"))
+    private void onOnStacksDropped(BlockState blockState_1, World world_1, BlockPos blockPos_1,
+                                   ItemStack itemStack_1, CallbackInfo ci)
+    {
+        if (CarpetSettings.getBool("silverFishDropGravel"))
+        {
+            dropStack(world_1, blockPos_1, new ItemStack(Blocks.GRAVEL));
+        }
+    }
+}