cache filled disks fixes #2771 (#2786)

* cache filled disks fixes #2771

* cache item count instead of fullness

* track itemcount instead of caching

src/main/java/com/refinedmods/refinedstorage/apiimpl/storage/disk/ItemStorageDisk.java

@@ -35,6 +35,7 @@ public class ItemStorageDisk implements IStorageDisk<ItemStack> {
     private final int capacity;
     private final Multimap<Item, ItemStack> stacks = ArrayListMultimap.create();
     private final UUID owner;
+    private int itemCount;
 
     @Nullable
     private IStorageDiskListener listener;
@@ -80,7 +81,7 @@ public class ItemStorageDisk implements IStorageDisk<ItemStack> {
     @Override
     @Nonnull
     public ItemStack insert(@Nonnull ItemStack stack, int size, Action action) {
-        if (stack.isEmpty()) {
+        if (stack.isEmpty() || itemCount == capacity) {
             return stack;
         }
 
@@ -95,7 +96,7 @@ public class ItemStorageDisk implements IStorageDisk<ItemStack> {
 
                     if (action == Action.PERFORM) {
                         otherStack.grow(remainingSpace);
-
+                        itemCount += remainingSpace;
                         onChanged();
                     }
 
@@ -103,6 +104,7 @@ public class ItemStorageDisk implements IStorageDisk<ItemStack> {
                 } else {
                     if (action == Action.PERFORM) {
                         otherStack.grow(size);
+                        itemCount += size;
 
                         onChanged();
                     }
@@ -121,7 +123,7 @@ public class ItemStorageDisk implements IStorageDisk<ItemStack> {
 
             if (action == Action.PERFORM) {
                 stacks.put(stack.getItem(), ItemHandlerHelper.copyStackWithSize(stack, remainingSpace));
-
+                itemCount += remainingSpace;
                 onChanged();
             }
 
@@ -129,6 +131,7 @@ public class ItemStorageDisk implements IStorageDisk<ItemStack> {
         } else {
             if (action == Action.PERFORM) {
                 stacks.put(stack.getItem(), ItemHandlerHelper.copyStackWithSize(stack, size));
+                itemCount += size;
 
                 onChanged();
             }
@@ -157,6 +160,8 @@ public class ItemStorageDisk implements IStorageDisk<ItemStack> {
                         otherStack.shrink(size);
                     }
 
+                    itemCount -= size;
+
                     onChanged();
                 }
 
@@ -169,7 +174,7 @@ public class ItemStorageDisk implements IStorageDisk<ItemStack> {
 
     @Override
     public int getStored() {
-        return stacks.values().stream().mapToInt(ItemStack::getCount).sum();
+        return itemCount;
     }
 
     @Override
@@ -221,4 +226,8 @@ public class ItemStorageDisk implements IStorageDisk<ItemStack> {
             API.instance().getStorageDiskManager(world).markForSaving();
         }
     }
+
+    public void updateItemCount() {
+        itemCount = stacks.values().stream().mapToInt(ItemStack::getCount).sum();
+    }
 }

src/main/java/com/refinedmods/refinedstorage/apiimpl/storage/disk/factory/ItemStorageDiskFactory.java

@@ -39,6 +39,8 @@ public class ItemStorageDiskFactory implements IStorageDiskFactory<ItemStack> {
             }
         }
 
+        disk.updateItemCount();
+
         return disk;
     }