Invalid pattern stuff, started on legacy pattern conversion

src/main/java/refinedstorage/apiimpl/autocrafting/CraftingPattern.java

@@ -51,13 +51,13 @@ public class CraftingPattern implements ICraftingPattern {
 
             if (output != null) {
                 outputs.add(output.copy());
-            }
 
                 for (ItemStack remaining : CraftingManager.getInstance().getRemainingItems(dummyInventory, world)) {
                     if (remaining != null) {
                         outputs.add(remaining.copy());
                     }
                 }
+            }
         } else {
             outputs = ItemPattern.getOutputs(stack);
         }

src/main/java/refinedstorage/item/ItemPattern.java

@@ -49,7 +49,7 @@ public class ItemPattern extends ItemBase implements ICraftingPatternProvider {
 
             combineItems(tooltip, true, Iterables.toArray(pattern.getOutputs(), ItemStack.class));
         } else {
-            tooltip.add(TextFormatting.RED + "Invalid pattern, please re-make!");
+            tooltip.add(TextFormatting.RED + I18n.format("misc.refinedstorage:pattern.invalid") + TextFormatting.RESET);
         }
     }
 

src/main/java/refinedstorage/tile/TileCrafter.java

@@ -1,5 +1,6 @@
 package refinedstorage.tile;
 
+import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.util.EnumFacing;
 import net.minecraftforge.common.capabilities.Capability;
@@ -28,6 +29,8 @@ public class TileCrafter extends TileNode implements ICraftingPatternContainer {
 
     private ItemHandlerUpgrade upgrades = new ItemHandlerUpgrade(4, this, ItemUpgrade.TYPE_SPEED);
 
+    private boolean didLegacyPatternConversion;
+
     @Override
     public int getEnergyUsage() {
         int usage = RefinedStorage.INSTANCE.crafterUsage + upgrades.getEnergyUsage();
@@ -41,6 +44,22 @@ public class TileCrafter extends TileNode implements ICraftingPatternContainer {
         return usage;
     }
 
+    public void update() {
+        super.update();
+
+        if (!worldObj.isRemote && !didLegacyPatternConversion) {
+            for (int i = 0; i < patterns.getSlots(); ++i) {
+                ItemStack slot = patterns.getStackInSlot(i);
+
+                if (slot != null && slot.hasTagCompound() && slot.getTagCompound().hasKey("Inputs")) {
+                    // @TODO: Legacy pattern conversion
+                }
+            }
+
+            didLegacyPatternConversion = true;
+        }
+    }
+
     @Override
     public void updateNode() {
     }

src/main/resources/assets/refinedstorage/lang/en_US.lang

@@ -59,6 +59,7 @@ misc.refinedstorage:network_card.tooltip=Linked to %d, %d, %d.
 
 misc.refinedstorage:pattern.inputs=Inputs
 misc.refinedstorage:pattern.outputs=Outputs
+misc.refinedstorage:pattern.invalid=Invalid pattern
 
 misc.refinedstorage:start=Start
 misc.refinedstorage:clear=Clear