address issues brought up

Author: PrototypeTrousers

src/main/java/gregtech/api/capability/impl/AbstractRecipeLogic.java

@@ -109,7 +109,7 @@ public <T> T getCapability(Capability<T> capability) {
     @Override
     public void update() {
         World world = getMetaTileEntity().getWorld();
-        if (world == null || !world.isRemote) {
+        if (world != null && !world.isRemote) {
             if (workingEnabled) {
                 if (progressTime > 0) {
                     updateRecipeProgress();
@@ -182,7 +182,6 @@ protected void trySearchNewRecipe() {
             currentRecipe = this.previousRecipe;
         // If there is no active recipe, then we need to find one.
         else {
-            metaTileEntity.setInputsDirty(false);
             currentRecipe = findRecipe(maxVoltage, importInventory, importFluids);
         }
         // If a recipe was found, then inputs were valid.
@@ -196,11 +195,10 @@ protected void trySearchNewRecipe() {
         } else this.invalidInputsForRecipes = !this.isOutputsFull;
 
         // proceed if we have a usable recipe.
-        if (currentRecipe != null && setupAndConsumeRecipeInputs(currentRecipe)) {
+        if (currentRecipe != null && setupAndConsumeRecipeInputs(currentRecipe))
             setupRecipe(currentRecipe);
-            //avoid new recipe lookup caused by item consumption from input
-            metaTileEntity.setInputsDirty(false);
-        }
+        // Inputs have been inspected.
+        metaTileEntity.setInputsDirty(false);
     }
 
     public void forceRecipeRecheck() {

src/main/java/gregtech/common/metatileentities/multi/electric/MetaTileEntityMultiFurnace.java

@@ -103,30 +103,25 @@ protected void trySearchNewRecipe() {
             //for MultiSmelter, we can reuse previous recipe if inputs didn't change
             //otherwise, we need to recompute it for new ingredients
             //but technically, it means we can cache multi smelter recipe, but changing inputs have more priority
-            if (metaTileEntity.isInputsDirty()) {
-                metaTileEntity.setInputsDirty(false);
+            if (metaTileEntity.isInputsDirty() ||
+                previousRecipe == null ||
+                !previousRecipe.matches(false,importInventory,importFluids)) {
                 //Inputs changed, try searching new recipe for given inputs
                 currentRecipe = findRecipe(maxVoltage, importInventory, importFluids);
-            } else if (previousRecipe != null && previousRecipe.matches(false, importInventory, importFluids)) {
+            } else  {
                 //if previous recipe still matches inputs, try to use it
                 currentRecipe = previousRecipe;
-            } else {
-                metaTileEntity.setInputsDirty(false);
-                currentRecipe = findRecipe(maxVoltage, importInventory, importFluids);
             }
             if (currentRecipe != null)
                 // replace old recipe with new one
                 this.previousRecipe = currentRecipe;
-
             // proceed if we have a usable recipe.
-            if (currentRecipe != null && setupAndConsumeRecipeInputs(currentRecipe)) {
+            if (currentRecipe != null && setupAndConsumeRecipeInputs(currentRecipe))
                 setupRecipe(currentRecipe);
-                //avoid new recipe lookup caused by item consumption from input
-                metaTileEntity.setInputsDirty(false);
-            }
+            // Inputs have been inspected.
+            metaTileEntity.setInputsDirty(false);
         }
 
-
         @Override
         protected Recipe findRecipe(long maxVoltage,
                                     IItemHandlerModifiable inputs,