From 2daed84c032c4832ca9d364df903eabf7d416657 Mon Sep 17 00:00:00 2001
From: raoulvdberge <raoulvdberge@gmail.com>
Date: Thu, 14 Jun 2018 22:13:23 +0200
Subject: [PATCH] 1.5 -> 1.6 migration: convert empty whitelist to empty
 blacklist. #1816

---
 .../apiimpl/network/node/NetworkNode.java        | 16 ++++++++++++++++
 .../network/node/NetworkNodeDestructor.java      |  3 +++
 .../network/node/NetworkNodeImporter.java        |  3 +++
 .../node/diskdrive/NetworkNodeDiskDrive.java     |  3 +++
 .../NetworkNodeDiskManipulator.java              |  3 +++
 .../NetworkNodeExternalStorage.java              |  3 +++
 .../node/storage/NetworkNodeFluidStorage.java    |  3 +++
 .../network/node/storage/NetworkNodeStorage.java |  3 +++
 .../apiimpl/util/OneSixMigrationHelper.java      | 11 +++++++++++
 .../refinedstorage/tile/TileNode.java            |  9 ---------
 .../refinedstorage/tile/config/IFilterable.java  |  8 +++++++-
 11 files changed, 55 insertions(+), 10 deletions(-)

diff --git a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/NetworkNode.java b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/NetworkNode.java
index ba5d30b8b..022615f01 100755
--- a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/NetworkNode.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/NetworkNode.java
@@ -1,9 +1,11 @@
 package com.raoulvdberge.refinedstorage.apiimpl.network.node;
 
+import com.raoulvdberge.refinedstorage.RS;
 import com.raoulvdberge.refinedstorage.api.network.INetwork;
 import com.raoulvdberge.refinedstorage.api.network.INetworkNodeVisitor;
 import com.raoulvdberge.refinedstorage.api.network.node.INetworkNode;
 import com.raoulvdberge.refinedstorage.apiimpl.API;
+import com.raoulvdberge.refinedstorage.apiimpl.util.OneSixMigrationHelper;
 import com.raoulvdberge.refinedstorage.tile.config.RedstoneMode;
 import com.raoulvdberge.refinedstorage.util.WorldUtils;
 import net.minecraft.block.state.IBlockState;
@@ -23,6 +25,7 @@ import java.util.UUID;
 public abstract class NetworkNode implements INetworkNode, INetworkNodeVisitor {
     private static final String NBT_OWNER = "Owner";
     private static final String NBT_DIRECTION = "Direction";
+    private static final String NBT_VERSION = "Version";
 
     @Nullable
     protected INetwork network;
@@ -32,6 +35,7 @@ public abstract class NetworkNode implements INetworkNode, INetworkNodeVisitor {
     protected RedstoneMode redstoneMode = RedstoneMode.IGNORE;
     @Nullable
     protected UUID owner;
+    protected String version;
 
     private EnumFacing direction = EnumFacing.NORTH;
 
@@ -147,6 +151,8 @@ public abstract class NetworkNode implements INetworkNode, INetworkNodeVisitor {
             tag.setUniqueId(NBT_OWNER, owner);
         }
 
+        tag.setString(NBT_VERSION, RS.VERSION);
+
         tag.setInteger(NBT_DIRECTION, direction.ordinal());
 
         writeConfiguration(tag);
@@ -169,7 +175,17 @@ public abstract class NetworkNode implements INetworkNode, INetworkNodeVisitor {
             direction = EnumFacing.getFront(tag.getInteger(NBT_DIRECTION));
         }
 
+        if (tag.hasKey(NBT_VERSION)) {
+            version = tag.getString(NBT_VERSION);
+        }
+
         readConfiguration(tag);
+
+        // We do this after readConfiguration so the 1.6 migration calls see that version is null.
+        OneSixMigrationHelper.removalHook();
+        if (version == null) {
+            version = RS.VERSION;
+        }
     }
 
     public void readConfiguration(NBTTagCompound tag) {
diff --git a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/NetworkNodeDestructor.java b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/NetworkNodeDestructor.java
index 0e7c5bf8d..be1dd4004 100755
--- a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/NetworkNodeDestructor.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/NetworkNodeDestructor.java
@@ -2,6 +2,7 @@ package com.raoulvdberge.refinedstorage.apiimpl.network.node;
 
 import com.raoulvdberge.refinedstorage.RS;
 import com.raoulvdberge.refinedstorage.api.util.IComparer;
+import com.raoulvdberge.refinedstorage.apiimpl.util.OneSixMigrationHelper;
 import com.raoulvdberge.refinedstorage.inventory.ItemHandlerBase;
 import com.raoulvdberge.refinedstorage.inventory.ItemHandlerFluid;
 import com.raoulvdberge.refinedstorage.inventory.ItemHandlerListenerNetworkNode;
@@ -262,6 +263,8 @@ public class NetworkNodeDestructor extends NetworkNode implements IComparable, I
 
         StackUtils.readItems(itemFilters, 0, tag);
         StackUtils.readItems(fluidFilters, 2, tag);
+
+        OneSixMigrationHelper.migrateEmptyWhitelistToEmptyBlacklist(version, this, itemFilters, fluidFilters);
     }
 
     public IItemHandler getUpgrades() {
diff --git a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/NetworkNodeImporter.java b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/NetworkNodeImporter.java
index fcc3ae5df..d3e5aa738 100755
--- a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/NetworkNodeImporter.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/NetworkNodeImporter.java
@@ -2,6 +2,7 @@ package com.raoulvdberge.refinedstorage.apiimpl.network.node;
 
 import com.raoulvdberge.refinedstorage.RS;
 import com.raoulvdberge.refinedstorage.api.util.IComparer;
+import com.raoulvdberge.refinedstorage.apiimpl.util.OneSixMigrationHelper;
 import com.raoulvdberge.refinedstorage.inventory.ItemHandlerBase;
 import com.raoulvdberge.refinedstorage.inventory.ItemHandlerFluid;
 import com.raoulvdberge.refinedstorage.inventory.ItemHandlerListenerNetworkNode;
@@ -193,6 +194,8 @@ public class NetworkNodeImporter extends NetworkNode implements IComparable, IFi
 
         StackUtils.readItems(itemFilters, 0, tag);
         StackUtils.readItems(fluidFilters, 2, tag);
+
+        OneSixMigrationHelper.migrateEmptyWhitelistToEmptyBlacklist(version, this, itemFilters, fluidFilters);
     }
 
     public IItemHandler getUpgrades() {
diff --git a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/diskdrive/NetworkNodeDiskDrive.java b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/diskdrive/NetworkNodeDiskDrive.java
index e13105c1c..f3c7cd6bd 100644
--- a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/diskdrive/NetworkNodeDiskDrive.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/diskdrive/NetworkNodeDiskDrive.java
@@ -14,6 +14,7 @@ import com.raoulvdberge.refinedstorage.apiimpl.network.node.IGuiStorage;
 import com.raoulvdberge.refinedstorage.apiimpl.network.node.NetworkNode;
 import com.raoulvdberge.refinedstorage.apiimpl.storage.StorageCacheFluid;
 import com.raoulvdberge.refinedstorage.apiimpl.storage.StorageCacheItem;
+import com.raoulvdberge.refinedstorage.apiimpl.util.OneSixMigrationHelper;
 import com.raoulvdberge.refinedstorage.inventory.ItemHandlerBase;
 import com.raoulvdberge.refinedstorage.inventory.ItemHandlerFluid;
 import com.raoulvdberge.refinedstorage.inventory.ItemHandlerListenerNetworkNode;
@@ -214,6 +215,8 @@ public class NetworkNodeDiskDrive extends NetworkNode implements IGuiStorage, IS
         }
 
         accessType = AccessTypeUtils.readAccessType(tag);
+
+        OneSixMigrationHelper.migrateEmptyWhitelistToEmptyBlacklist(version, this, itemFilters, fluidFilters);
     }
 
     @Override
diff --git a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/diskmanipulator/NetworkNodeDiskManipulator.java b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/diskmanipulator/NetworkNodeDiskManipulator.java
index f60bddf49..bd490b68b 100644
--- a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/diskmanipulator/NetworkNodeDiskManipulator.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/diskmanipulator/NetworkNodeDiskManipulator.java
@@ -8,6 +8,7 @@ import com.raoulvdberge.refinedstorage.api.util.IComparer;
 import com.raoulvdberge.refinedstorage.apiimpl.API;
 import com.raoulvdberge.refinedstorage.apiimpl.network.node.NetworkNode;
 import com.raoulvdberge.refinedstorage.apiimpl.network.node.diskdrive.NetworkNodeDiskDrive;
+import com.raoulvdberge.refinedstorage.apiimpl.util.OneSixMigrationHelper;
 import com.raoulvdberge.refinedstorage.inventory.*;
 import com.raoulvdberge.refinedstorage.item.ItemUpgrade;
 import com.raoulvdberge.refinedstorage.tile.TileDiskManipulator;
@@ -524,6 +525,8 @@ public class NetworkNodeDiskManipulator extends NetworkNode implements IComparab
         if (tag.hasKey(NBT_IO_MODE)) {
             ioMode = tag.getInteger(NBT_IO_MODE);
         }
+
+        OneSixMigrationHelper.migrateEmptyWhitelistToEmptyBlacklist(version, this, itemFilters, fluidFilters);
     }
 
     @Override
diff --git a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/externalstorage/NetworkNodeExternalStorage.java b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/externalstorage/NetworkNodeExternalStorage.java
index 5ff3084c0..d5ba890d2 100755
--- a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/externalstorage/NetworkNodeExternalStorage.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/externalstorage/NetworkNodeExternalStorage.java
@@ -10,6 +10,7 @@ import com.raoulvdberge.refinedstorage.apiimpl.network.node.IGuiStorage;
 import com.raoulvdberge.refinedstorage.apiimpl.network.node.NetworkNode;
 import com.raoulvdberge.refinedstorage.apiimpl.storage.StorageCacheFluid;
 import com.raoulvdberge.refinedstorage.apiimpl.storage.StorageCacheItem;
+import com.raoulvdberge.refinedstorage.apiimpl.util.OneSixMigrationHelper;
 import com.raoulvdberge.refinedstorage.capability.CapabilityNetworkNodeProxy;
 import com.raoulvdberge.refinedstorage.inventory.ItemHandlerBase;
 import com.raoulvdberge.refinedstorage.inventory.ItemHandlerFluid;
@@ -144,6 +145,8 @@ public class NetworkNodeExternalStorage extends NetworkNode implements IStorageP
         }
 
         accessType = AccessTypeUtils.readAccessType(tag);
+        
+        OneSixMigrationHelper.migrateEmptyWhitelistToEmptyBlacklist(version, this, itemFilters, fluidFilters);
     }
 
     @Override
diff --git a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/storage/NetworkNodeFluidStorage.java b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/storage/NetworkNodeFluidStorage.java
index 640f61236..cda1b2c55 100644
--- a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/storage/NetworkNodeFluidStorage.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/storage/NetworkNodeFluidStorage.java
@@ -13,6 +13,7 @@ import com.raoulvdberge.refinedstorage.apiimpl.API;
 import com.raoulvdberge.refinedstorage.apiimpl.network.node.IGuiStorage;
 import com.raoulvdberge.refinedstorage.apiimpl.network.node.NetworkNode;
 import com.raoulvdberge.refinedstorage.apiimpl.storage.StorageCacheFluid;
+import com.raoulvdberge.refinedstorage.apiimpl.util.OneSixMigrationHelper;
 import com.raoulvdberge.refinedstorage.block.BlockFluidStorage;
 import com.raoulvdberge.refinedstorage.block.FluidStorageType;
 import com.raoulvdberge.refinedstorage.inventory.ItemHandlerFluid;
@@ -172,6 +173,8 @@ public class NetworkNodeFluidStorage extends NetworkNode implements IGuiStorage,
         }
 
         accessType = AccessTypeUtils.readAccessType(tag);
+        
+        OneSixMigrationHelper.migrateEmptyWhitelistToEmptyBlacklist(version, this, null, filters);
     }
 
     public FluidStorageType getType() {
diff --git a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/storage/NetworkNodeStorage.java b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/storage/NetworkNodeStorage.java
index 51da2acc7..0c840a8bd 100644
--- a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/storage/NetworkNodeStorage.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/storage/NetworkNodeStorage.java
@@ -13,6 +13,7 @@ import com.raoulvdberge.refinedstorage.apiimpl.API;
 import com.raoulvdberge.refinedstorage.apiimpl.network.node.IGuiStorage;
 import com.raoulvdberge.refinedstorage.apiimpl.network.node.NetworkNode;
 import com.raoulvdberge.refinedstorage.apiimpl.storage.StorageCacheItem;
+import com.raoulvdberge.refinedstorage.apiimpl.util.OneSixMigrationHelper;
 import com.raoulvdberge.refinedstorage.block.BlockStorage;
 import com.raoulvdberge.refinedstorage.block.ItemStorageType;
 import com.raoulvdberge.refinedstorage.inventory.ItemHandlerBase;
@@ -172,6 +173,8 @@ public class NetworkNodeStorage extends NetworkNode implements IGuiStorage, ISto
         }
 
         accessType = AccessTypeUtils.readAccessType(tag);
+
+        OneSixMigrationHelper.migrateEmptyWhitelistToEmptyBlacklist(version, this, filters, null);
     }
 
     public ItemStorageType getType() {
diff --git a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/util/OneSixMigrationHelper.java b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/util/OneSixMigrationHelper.java
index 04081b73e..61ad824fa 100644
--- a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/util/OneSixMigrationHelper.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/util/OneSixMigrationHelper.java
@@ -2,9 +2,11 @@ package com.raoulvdberge.refinedstorage.apiimpl.util;
 
 import com.raoulvdberge.refinedstorage.api.storage.disk.IStorageDisk;
 import com.raoulvdberge.refinedstorage.api.storage.disk.IStorageDiskProvider;
+import com.raoulvdberge.refinedstorage.api.util.IFilter;
 import com.raoulvdberge.refinedstorage.api.util.IOneSixMigrationHelper;
 import com.raoulvdberge.refinedstorage.apiimpl.API;
 import com.raoulvdberge.refinedstorage.item.ItemPattern;
+import com.raoulvdberge.refinedstorage.tile.config.IFilterable;
 import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
@@ -15,6 +17,7 @@ import net.minecraftforge.fluids.FluidStack;
 import net.minecraftforge.items.IItemHandler;
 import net.minecraftforge.items.IItemHandlerModifiable;
 
+import javax.annotation.Nullable;
 import java.util.UUID;
 
 public class OneSixMigrationHelper implements IOneSixMigrationHelper {
@@ -186,4 +189,12 @@ public class OneSixMigrationHelper implements IOneSixMigrationHelper {
     // If we remove the OneSixMigrationHelper we know where to remove other migration hooks by removing this method.
     public static void removalHook() {
     }
+
+    public static void migrateEmptyWhitelistToEmptyBlacklist(String version, IFilterable filterable, @Nullable IItemHandler itemFilterInv, @Nullable IItemHandler fluidFilterInv) {
+        // Only migrate if we come from a version where the RS version tag stuff in NetworkNode wasn't added yet.
+        // Otherwise, we would constantly migrate empty whitelists to empty blacklists...
+        if (version == null && filterable.getMode() == IFilterable.WHITELIST && IFilterable.isEmpty(itemFilterInv) && IFilterable.isEmpty(fluidFilterInv)) {
+            filterable.setMode(IFilter.MODE_BLACKLIST);
+        }
+    }
 }
diff --git a/src/main/java/com/raoulvdberge/refinedstorage/tile/TileNode.java b/src/main/java/com/raoulvdberge/refinedstorage/tile/TileNode.java
index 4c4af9b8e..af24abb7b 100755
--- a/src/main/java/com/raoulvdberge/refinedstorage/tile/TileNode.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/tile/TileNode.java
@@ -43,15 +43,6 @@ public abstract class TileNode<N extends NetworkNode> extends TileBase implement
         getNode().setRedstoneMode(mode);
     }
 
-    public NBTTagCompound writeConfiguration(NBTTagCompound tag) {
-        return getNode().writeConfiguration(tag);
-    }
-
-    public void readConfiguration(NBTTagCompound tag) {
-        getNode().readConfiguration(tag);
-        getNode().markDirty();
-    }
-
     public NBTTagCompound writeUpdate(NBTTagCompound tag) {
         super.writeUpdate(tag);
 
diff --git a/src/main/java/com/raoulvdberge/refinedstorage/tile/config/IFilterable.java b/src/main/java/com/raoulvdberge/refinedstorage/tile/config/IFilterable.java
index 4a943c0c2..600dfaae9 100755
--- a/src/main/java/com/raoulvdberge/refinedstorage/tile/config/IFilterable.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/tile/config/IFilterable.java
@@ -10,6 +10,8 @@ import net.minecraft.tileentity.TileEntity;
 import net.minecraftforge.fluids.FluidStack;
 import net.minecraftforge.items.IItemHandler;
 
+import javax.annotation.Nullable;
+
 public interface IFilterable {
     int WHITELIST = 0;
     int BLACKLIST = 1;
@@ -74,7 +76,11 @@ public interface IFilterable {
         return false;
     }
 
-    static boolean isEmpty(IItemHandler filter) {
+    static boolean isEmpty(@Nullable IItemHandler filter) {
+        if (filter == null) {
+            return true;
+        }
+
         for (int i = 0; i < filter.getSlots(); i++) {
             if (!filter.getStackInSlot(i).isEmpty()) {
                 return false;