allow part interfaces to be copied

src/main/java/appeng/parts/misc/PartInterface.java

@@ -22,6 +22,7 @@ package appeng.parts.misc;
 import appeng.api.AEApi;
 import appeng.api.config.Actionable;
 import appeng.api.config.Upgrades;
+import appeng.api.definitions.IMaterials;
 import appeng.api.networking.IGridNode;
 import appeng.api.networking.crafting.ICraftingLink;
 import appeng.api.networking.crafting.ICraftingPatternDetails;
@@ -42,15 +43,19 @@ import appeng.api.storage.data.IAEStack;
 import appeng.api.util.AECableType;
 import appeng.api.util.IConfigManager;
 import appeng.core.AppEng;
+import appeng.core.localization.PlayerMessages;
 import appeng.core.sync.GuiBridge;
 import appeng.helpers.DualityInterface;
 import appeng.helpers.IInterfaceHost;
 import appeng.helpers.IPriorityHost;
 import appeng.helpers.Reflected;
+import appeng.items.misc.ItemEncodedPattern;
 import appeng.items.parts.PartModels;
 import appeng.parts.PartBasicState;
 import appeng.parts.PartModel;
+import appeng.tile.inventory.AppEngInternalInventory;
 import appeng.util.Platform;
+import appeng.util.SettingsFrom;
 import appeng.util.inv.IAEAppEngInventory;
 import appeng.util.inv.IInventoryDestination;
 import appeng.util.inv.InvOperation;
@@ -66,6 +71,7 @@ import net.minecraft.util.ResourceLocation;
 import net.minecraft.util.math.Vec3d;
 import net.minecraftforge.common.capabilities.Capability;
 import net.minecraftforge.items.IItemHandler;
+import net.minecraftforge.items.wrapper.PlayerMainInvWrapper;
 
 import java.util.EnumSet;
 import java.util.List;
@@ -275,4 +281,60 @@ public class PartInterface extends PartBasicState implements IGridTickable, ISto
     public GuiBridge getGuiBridge() {
         return GuiBridge.GUI_INTERFACE;
     }
+
+    @Override
+    public NBTTagCompound downloadSettings(SettingsFrom from) {
+        NBTTagCompound output = super.downloadSettings(from);
+        if (from == SettingsFrom.MEMORY_CARD) {
+            final IItemHandler inv = this.getInventoryByName("patterns");
+            if (inv instanceof AppEngInternalInventory) {
+                ((AppEngInternalInventory) inv).writeToNBT(output, "patterns");
+            }
+        }
+        return output;
+    }
+
+    @Override
+    public void uploadSettings(SettingsFrom from, NBTTagCompound compound, EntityPlayer player) {
+        super.uploadSettings(from, compound, player);
+        final IItemHandler inv = this.getInventoryByName("patterns");
+        if (inv instanceof AppEngInternalInventory) {
+            final AppEngInternalInventory target = (AppEngInternalInventory) inv;
+            AppEngInternalInventory tmp = new AppEngInternalInventory(null, target.getSlots());
+            tmp.readFromNBT(compound, "patterns");
+            PlayerMainInvWrapper playerInv = new PlayerMainInvWrapper(player.inventory);
+            final IMaterials materials = AEApi.instance().definitions().materials();
+            int missingPatternsToEncode = 0;
+
+            for (int i = 0; i < inv.getSlots(); i++) {
+                if (target.getStackInSlot(i).getItem() instanceof ItemEncodedPattern) {
+                    ItemStack blank = materials.blankPattern().maybeStack(target.getStackInSlot(i).getCount()).get();
+                    if (!player.addItemStackToInventory(blank)) {
+                        player.dropItem(blank, true);
+                    }
+                    target.setStackInSlot(i, ItemStack.EMPTY);
+                }
+            }
+
+            for (int x = 0; x < tmp.getSlots(); x++) {
+                if (!tmp.getStackInSlot(x).isEmpty()) {
+                    boolean found = false;
+                    for (int i = 0; i < playerInv.getSlots(); i++) {
+                        if (materials.blankPattern().isSameAs(playerInv.getStackInSlot(i))) {
+                            target.setStackInSlot(x, tmp.getStackInSlot(x));
+                            playerInv.getStackInSlot(i).shrink(1);
+                            found = true;
+                            break;
+                        }
+                    }
+                    if (!found) {
+                        missingPatternsToEncode++;
+                    }
+                }
+            }
+            if (Platform.isServer() && missingPatternsToEncode > 0) {
+                player.sendMessage(PlayerMessages.MissingPatternsToEncode.get());
+            }
+        }
+    }
 }