Keep jobs of attuned interfaces in the network when their target updates

src/main/java/org/cyclops/integratedcrafting/part/PartTypeInterfaceCraftingAttuned.java

@@ -1,5 +1,6 @@
 package org.cyclops.integratedcrafting.part;
 
+import com.google.common.collect.Lists;
 import net.minecraft.ChatFormatting;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
@@ -133,7 +134,10 @@ public boolean shouldTriggerBlockRenderUpdate(@Nullable State oldPartState, @Nul
 
     @Override
     public void onBlockNeighborChange(INetwork network, IPartNetwork partNetwork, PartTarget target, State state, BlockGetter world, Block neighbourBlock, BlockPos neighbourBlockPos) {
-        boolean isNeighbourTarget = neighbourBlockPos.equals(target.getTarget().getPos().getBlockPos());
+        // Targets such as furnaces notify their neighbours on every operation, while their recipes remain the same.
+        // Only re-register if the target really changed, as this temporarily removes our crafting jobs from the network.
+        boolean isNeighbourTarget = neighbourBlockPos.equals(target.getTarget().getPos().getBlockPos())
+                && state.hasTargetChanged();
         boolean hadValidTarget = false;
         if (isNeighbourTarget) {
             hadValidTarget = state.hasValidTarget();
@@ -179,6 +183,21 @@ public boolean hasValidTarget() {
             return this.hasValidTarget;
         }
 
+        /**
+         * @return If the target gained or lost its recipe handler, or exposes other recipes than the ones that were last read.
+         */
+        public boolean hasTargetChanged() {
+            if (getTarget() == null || this.recipes == null) {
+                return true;
+            }
+            LazyOptional<IRecipeHandler> recipeHandler = getTargetRecipeHandler();
+            if (recipeHandler.isPresent() != this.hasValidTarget) {
+                return true;
+            }
+            return recipeHandler.isPresent() && !Lists.newArrayList(recipeHandler.orElseThrow(IllegalStateException::new).getRecipes())
+                    .equals(Lists.newArrayList(this.recipes));
+        }
+
         @Override
         public void writeToNBT(CompoundTag tag) {
             super.writeToNBT(tag);