Fix anvil crushing

src/main/java/de/dafuqs/spectrum/mixin/FallingBlockEntityMixin.java

@@ -0,0 +1,21 @@
+package de.dafuqs.spectrum.mixin;
+
+import java.util.function.Predicate;
+
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.ModifyVariable;
+
+import net.minecraft.entity.Entity;
+import net.minecraft.entity.FallingBlockEntity;
+import net.minecraft.entity.ItemEntity;
+
+@Mixin(FallingBlockEntity.class)
+public class FallingBlockEntityMixin {
+
+	@ModifyVariable(method = "handleFallDamage(FFLnet/minecraft/entity/damage/DamageSource;)Z", at = @At(value = "STORE"), ordinal = 0, index = 1, name = "predicate")
+	public Predicate<Entity> addItemEntityPredicate(Predicate<Entity> predicate) {
+		return predicate.or(entity -> entity instanceof ItemEntity);
+	}
+
+}

src/main/resources/spectrum.mixins.json

@@ -27,6 +27,7 @@
     "EntityMixin",
     "EntityTypeMixin",
     "ExplosionMixin",
+    "FallingBlockEntityMixin",
     "FarmlandBlockMixin",
     "FirstStrikeEnchantmentMixin",
     "FishingHookPredicateMixin",
@@ -109,4 +110,4 @@
   "injectors": {
     "defaultRequire": 1
   }
-}
+}