1.13.1

# Conflicts:
#	build.gradle
#	src/main/java/de/ellpeck/prettypipes/Registry.java
#	src/main/java/de/ellpeck/prettypipes/misc/ItemFilter.java
#	src/main/java/de/ellpeck/prettypipes/pipe/modules/retrieval/RetrievalModuleItem.java
#	src/main/java/de/ellpeck/prettypipes/terminal/containers/CraftingTerminalGui.java
#	src/main/java/de/ellpeck/prettypipes/terminal/containers/ItemTerminalGui.java

build.gradle

@@ -13,7 +13,7 @@ apply plugin: 'net.minecraftforge.gradle'
 apply plugin: 'eclipse'
 apply plugin: 'maven-publish'
 
-version = '1.13.0'
+version = '1.13.1'
 group = 'de.ellpeck.prettypipes' // http://maven.apache.org/guides/mini/guide-naming-conventions.html
 archivesBaseName = 'PrettyPipes'
 

src/main/java/de/ellpeck/prettypipes/items/IModule.java

@@ -1,9 +1,11 @@
 package de.ellpeck.prettypipes.items;
 
+import de.ellpeck.prettypipes.misc.DirectionSelector;
 import de.ellpeck.prettypipes.misc.ItemFilter;
 import de.ellpeck.prettypipes.pipe.PipeBlockEntity;
 import de.ellpeck.prettypipes.pipe.containers.AbstractPipeContainer;
 import net.minecraft.core.BlockPos;
+import net.minecraft.core.Direction;
 import net.minecraft.world.entity.player.Inventory;
 import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.item.ItemStack;
@@ -17,9 +19,9 @@ public interface IModule {
 
     void tick(ItemStack module, PipeBlockEntity tile);
 
-    boolean canNetworkSee(ItemStack module, PipeBlockEntity tile);
+    boolean canNetworkSee(ItemStack module, PipeBlockEntity tile, Direction direction, IItemHandler handler);
 
-    boolean canAcceptItem(ItemStack module, PipeBlockEntity tile, ItemStack stack);
+    boolean canAcceptItem(ItemStack module, PipeBlockEntity tile, ItemStack stack, Direction direction, IItemHandler destination);
 
     int getMaxInsertionAmount(ItemStack module, PipeBlockEntity tile, ItemStack stack, IItemHandler destination);
 
@@ -44,4 +46,6 @@ public interface IModule {
     Integer getCustomNextNode(ItemStack module, PipeBlockEntity tile, List<BlockPos> nodes, int index);
 
     ItemFilter getItemFilter(ItemStack module, PipeBlockEntity tile);
+
+    DirectionSelector getDirectionSelector(ItemStack module, PipeBlockEntity tile);
 }

src/main/java/de/ellpeck/prettypipes/items/ModuleItem.java

@@ -2,10 +2,12 @@ package de.ellpeck.prettypipes.items;
 
 import de.ellpeck.prettypipes.Registry;
 import de.ellpeck.prettypipes.Utility;
+import de.ellpeck.prettypipes.misc.DirectionSelector;
 import de.ellpeck.prettypipes.misc.ItemFilter;
 import de.ellpeck.prettypipes.pipe.PipeBlockEntity;
 import de.ellpeck.prettypipes.pipe.containers.AbstractPipeContainer;
 import net.minecraft.core.BlockPos;
+import net.minecraft.core.Direction;
 import net.minecraft.network.chat.Component;
 import net.minecraft.world.entity.player.Inventory;
 import net.minecraft.world.entity.player.Player;
@@ -45,12 +47,12 @@ public abstract class ModuleItem extends Item implements IModule {
     }
 
     @Override
-    public boolean canNetworkSee(ItemStack module, PipeBlockEntity tile) {
+    public boolean canNetworkSee(ItemStack module, PipeBlockEntity tile, Direction direction, IItemHandler handler) {
         return true;
     }
 
     @Override
-    public boolean canAcceptItem(ItemStack module, PipeBlockEntity tile, ItemStack stack) {
+    public boolean canAcceptItem(ItemStack module, PipeBlockEntity tile, ItemStack stack, Direction direction, IItemHandler destination) {
         return true;
     }
 
@@ -103,4 +105,9 @@ public abstract class ModuleItem extends Item implements IModule {
     public ItemFilter getItemFilter(ItemStack module, PipeBlockEntity tile) {
         return null;
     }
+
+    @Override
+    public DirectionSelector getDirectionSelector(ItemStack module, PipeBlockEntity tile) {
+        return null;
+    }
 }

src/main/java/de/ellpeck/prettypipes/misc/DirectionSelector.java

@@ -0,0 +1,106 @@
+package de.ellpeck.prettypipes.misc;
+
+import de.ellpeck.prettypipes.PrettyPipes;
+import de.ellpeck.prettypipes.packets.PacketButton;
+import de.ellpeck.prettypipes.pipe.PipeBlockEntity;
+import net.minecraft.client.gui.components.AbstractWidget;
+import net.minecraft.core.Direction;
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.network.chat.Component;
+import net.minecraft.network.chat.MutableComponent;
+import net.minecraft.world.item.ItemStack;
+import net.minecraftforge.api.distmarker.Dist;
+import net.minecraftforge.api.distmarker.OnlyIn;
+import net.minecraftforge.client.gui.widget.ExtendedButton;
+import org.apache.commons.lang3.ArrayUtils;
+
+public class DirectionSelector {
+
+    private static final Direction[] ALL = ArrayUtils.addAll(Direction.values(), (Direction) null);
+
+    // null means old behavior, which is all directions
+    private Direction direction;
+    private boolean modified;
+
+    private final ItemStack stack;
+    private final PipeBlockEntity pipe;
+
+    public DirectionSelector(ItemStack stack, PipeBlockEntity pipe) {
+        this.stack = stack;
+        this.pipe = pipe;
+        this.load();
+    }
+
+    @OnlyIn(Dist.CLIENT)
+    public AbstractWidget getButton(int x, int y) {
+        return new ExtendedButton(x, y, 100, 20, Component.translatable("info." + PrettyPipes.ID + ".populate"), button ->
+                PacketButton.sendAndExecute(this.pipe.getBlockPos(), PacketButton.ButtonResult.DIRECTION_SELECTOR)) {
+            @Override
+            public Component getMessage() {
+                var pipe = DirectionSelector.this.pipe;
+                var dir = DirectionSelector.this.direction;
+                var msg = Component.translatable("dir." + PrettyPipes.ID + "." + (dir != null ? dir.getName() : "all"));
+                if (dir != null) {
+                    var blockName = pipe.getItemHandler(dir) != null ? pipe.getLevel().getBlockState(pipe.getBlockPos().relative(dir)).getBlock().getName() : null;
+                    if (blockName != null)
+                        msg = msg.append(" (").append(blockName).append(")");
+                }
+                return msg;
+            }
+        };
+    }
+
+    public void onButtonPacket() {
+        var dir = this.direction;
+        do {
+            dir = DirectionSelector.ALL[(ArrayUtils.indexOf(DirectionSelector.ALL, dir) + 1) % DirectionSelector.ALL.length];
+        } while (!this.isDirectionValid(dir));
+        if (this.direction != dir) {
+            this.direction = dir;
+            this.modified = true;
+        }
+    }
+
+    public void save() {
+        if (!this.modified)
+            return;
+        this.modified = false;
+
+        var tag = new CompoundTag();
+        if (this.direction != null)
+            tag.putString("direction", this.direction.getName());
+        this.stack.getOrCreateTag().put("direction_selector", tag);
+    }
+
+    public void load() {
+        if (this.stack.hasTag()) {
+            var tag = this.stack.getTag().getCompound("direction_selector");
+            this.direction = Direction.byName(tag.getString("direction"));
+        }
+    }
+
+    public Direction[] directions() {
+        return this.direction != null ? new Direction[]{this.direction} : Direction.values();
+    }
+
+    public boolean has(Direction dir) {
+        return this.direction == null || this.direction == dir;
+    }
+
+    private boolean isDirectionValid(Direction dir) {
+        if (dir == null)
+            return true;
+        if (this.pipe.getItemHandler(dir) == null)
+            return false;
+        return this.pipe.streamModules()
+                .filter(p -> p.getLeft() != this.stack)
+                .map(p -> p.getRight().getDirectionSelector(p.getLeft(), this.pipe))
+                .noneMatch(p -> p != null && p.direction == dir);
+    }
+
+    public interface IDirectionContainer {
+
+        DirectionSelector getSelector();
+
+    }
+}

src/main/java/de/ellpeck/prettypipes/misc/ItemFilter.java

@@ -48,17 +48,22 @@ public class ItemFilter extends ItemStackHandler {
     }
 
     @OnlyIn(Dist.CLIENT)
-    public List<AbstractWidget> getButtons(Screen gui, int x, int y) {
+    public List<AbstractWidget> getButtons(Screen gui, int x, int y, boolean rightAligned) {
         List<AbstractWidget> buttons = new ArrayList<>();
         if (this.canModifyWhitelist) {
-            Supplier<Component> whitelistText = () -> Component.translatable("info." + PrettyPipes.ID + "." + (this.isWhitelist ? "whitelist" : "blacklist"));
-            buttons.add(new Button(x, y, 70, 20, whitelistText.get(), button -> {
+            var whitelistText = (Supplier<String>) () -> "info." + PrettyPipes.ID + "." + (this.isWhitelist ? "whitelist" : "blacklist");
+            buttons.add(new Button(x - 20, y, 20, 20, Component.translatable(whitelistText.get()), button -> {
                 PacketButton.sendAndExecute(this.pipe.getBlockPos(), PacketButton.ButtonResult.FILTER_CHANGE, 0);
-                button.setMessage(whitelistText.get());
-            }));
+                button.setMessage(Component.translatable(whitelistText.get()));
+            }) {
+                @Override
+                public void renderToolTip(PoseStack matrix, int x, int y) {
+                    gui.renderTooltip(matrix, Component.translatable(whitelistText.get() + ".description").withStyle(ChatFormatting.GRAY), x, y);
+                }
+            });
         }
         if (this.canPopulateFromInventories) {
-            buttons.add(new Button(x + 72, y, 70, 20, Component.translatable("info." + PrettyPipes.ID + ".populate"), button -> PacketButton.sendAndExecute(this.pipe.getBlockPos(), PacketButton.ButtonResult.FILTER_CHANGE, 1)) {
+            buttons.add(new Button(x - 42, y, 20, 20, Component.translatable("info." + PrettyPipes.ID + ".populate"), button -> PacketButton.sendAndExecute(this.pipe.getBlockPos(), PacketButton.ButtonResult.FILTER_CHANGE, 1)) {
                 @Override
                 public void renderToolTip(PoseStack matrix, int x, int y) {
                     gui.renderTooltip(matrix, Component.translatable("info." + PrettyPipes.ID + ".populate.description").withStyle(ChatFormatting.GRAY), x, y);

src/main/java/de/ellpeck/prettypipes/network/PipeNetwork.java

@@ -147,7 +147,7 @@ public class PipeNetwork implements ICapabilitySerializable<CompoundTag>, GraphL
             if (!this.world.isLoaded(pipePos))
                 continue;
             var pipe = this.getPipe(pipePos);
-            var dest = pipe.getAvailableDestination(stack, false, preventOversending);
+            var dest = pipe.getAvailableDestination(Direction.values(), stack, false, preventOversending);
             if (dest == null || dest.getLeft().equals(startInventory))
                 continue;
             var sup = (Function<Float, IPipeItem>) speed -> itemSupplier.apply(dest.getRight(), speed);
@@ -324,11 +324,9 @@ public class PipeNetwork implements ICapabilitySerializable<CompoundTag>, GraphL
             if (!this.world.isLoaded(dest))
                 continue;
             var pipe = this.getPipe(dest);
-            if (!pipe.canNetworkSee())
-                continue;
             for (var dir : Direction.values()) {
                 var handler = pipe.getItemHandler(dir);
-                if (handler == null)
+                if (handler == null || !pipe.canNetworkSee(dir, handler))
                     continue;
                 // check if this handler already exists (double-connected pipes, double chests etc.)
                 if (info.stream().anyMatch(l -> handler.equals(l.getItemHandler(this.world))))

src/main/java/de/ellpeck/prettypipes/packets/PacketButton.java

@@ -26,6 +26,8 @@ import org.apache.logging.log4j.util.TriConsumer;
 import javax.annotation.Nullable;
 import java.util.function.Supplier;
 
+import static de.ellpeck.prettypipes.misc.DirectionSelector.IDirectionContainer;
+
 public class PacketButton {
 
     private BlockPos pos;
@@ -121,6 +123,10 @@ public class PacketButton {
         TAG_FILTER((pos, data, player) -> {
             var container = (FilterModifierModuleContainer) player.containerMenu;
             FilterModifierModuleItem.setFilterTag(container.moduleStack, container.getTags().get(data[0]));
+        }),
+        DIRECTION_SELECTOR((pos, data, player) -> {
+            if (player.containerMenu instanceof IDirectionContainer filtered)
+                filtered.getSelector().onButtonPacket();
         });
 
         public final TriConsumer<BlockPos, int[], Player> action;

src/main/java/de/ellpeck/prettypipes/pipe/PipeBlockEntity.java

@@ -166,7 +166,7 @@ public class PipeBlockEntity extends BlockEntity implements MenuProvider, IPipeC
     }
 
     public Pair<BlockPos, ItemStack> getAvailableDestinationOrConnectable(ItemStack stack, boolean force, boolean preventOversending) {
-        var dest = this.getAvailableDestination(stack, force, preventOversending);
+        var dest = this.getAvailableDestination(Direction.values(), stack, force, preventOversending);
         if (dest != null)
             return dest;
         // if there's no available destination, try inserting into terminals etc.
@@ -184,15 +184,15 @@ public class PipeBlockEntity extends BlockEntity implements MenuProvider, IPipeC
         return null;
     }
 
-    public Pair<BlockPos, ItemStack> getAvailableDestination(ItemStack stack, boolean force, boolean preventOversending) {
+    public Pair<BlockPos, ItemStack> getAvailableDestination(Direction[] directions, ItemStack stack, boolean force, boolean preventOversending) {
         if (!this.canWork())
             return null;
-        if (!force && this.streamModules().anyMatch(m -> !m.getRight().canAcceptItem(m.getLeft(), this, stack)))
-            return null;
-        for (var dir : Direction.values()) {
+        for (var dir : directions) {
             var handler = this.getItemHandler(dir);
             if (handler == null)
                 continue;
+            if (!force && this.streamModules().anyMatch(m -> !m.getRight().canAcceptItem(m.getLeft(), this, stack, dir, handler)))
+                continue;
             var remain = ItemHandlerHelper.insertItem(handler, stack, true);
             // did we insert anything?
             if (remain.getCount() == stack.getCount())
@@ -314,13 +314,9 @@ public class PipeBlockEntity extends BlockEntity implements MenuProvider, IPipeC
         return null;
     }
 
-    public boolean isConnectedInventory(Direction dir) {
-        return this.getItemHandler(dir) != null;
-    }
-
     public boolean canHaveModules() {
         for (var dir : Direction.values()) {
-            if (this.isConnectedInventory(dir))
+            if (this.getItemHandler(dir) != null)
                 return true;
             var connectable = this.getPipeConnectable(dir);
             if (connectable != null && connectable.allowsModules(this.worldPosition, dir))
@@ -329,8 +325,8 @@ public class PipeBlockEntity extends BlockEntity implements MenuProvider, IPipeC
         return false;
     }
 
-    public boolean canNetworkSee() {
-        return this.streamModules().allMatch(m -> m.getRight().canNetworkSee(m.getLeft(), this));
+    public boolean canNetworkSee(Direction direction, IItemHandler handler) {
+        return this.streamModules().allMatch(m -> m.getRight().canNetworkSee(m.getLeft(), this, direction, handler));
     }
 
     public Stream<Pair<ItemStack, IModule>> streamModules() {

src/main/java/de/ellpeck/prettypipes/pipe/modules/craft/CraftingModuleItem.java

@@ -13,10 +13,12 @@ import de.ellpeck.prettypipes.pipe.containers.AbstractPipeContainer;
 import de.ellpeck.prettypipes.terminal.CraftingTerminalBlockEntity;
 import de.ellpeck.prettypipes.terminal.ItemTerminalBlockEntity;
 import net.minecraft.core.BlockPos;
+import net.minecraft.core.Direction;
 import net.minecraft.util.Mth;
 import net.minecraft.world.entity.player.Inventory;
 import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.item.ItemStack;
+import net.minecraftforge.items.IItemHandler;
 import net.minecraftforge.items.ItemStackHandler;
 import org.apache.commons.lang3.tuple.Pair;
 
@@ -54,12 +56,12 @@ public class CraftingModuleItem extends ModuleItem {
     }
 
     @Override
-    public boolean canNetworkSee(ItemStack module, PipeBlockEntity tile) {
+    public boolean canNetworkSee(ItemStack module, PipeBlockEntity tile, Direction direction, IItemHandler handler) {
         return false;
     }
 
     @Override
-    public boolean canAcceptItem(ItemStack module, PipeBlockEntity tile, ItemStack stack) {
+    public boolean canAcceptItem(ItemStack module, PipeBlockEntity tile, ItemStack stack, Direction direction, IItemHandler destination) {
         return false;
     }
 
@@ -73,7 +75,7 @@ public class CraftingModuleItem extends ModuleItem {
             network.startProfile("crafting_ingredients");
             var request = tile.craftIngredientRequests.peek();
             var equalityTypes = ItemFilter.getEqualityTypes(tile);
-            var dest = tile.getAvailableDestination(request.stack, true, true);
+            var dest = tile.getAvailableDestination(Direction.values(), request.stack, true, true);
             if (dest != null) {
                 var requestRemain = network.requestExistingItem(request.location, tile.getBlockPos(), dest.getLeft(), request, dest.getRight(), equalityTypes);
                 network.resolveNetworkLock(request);

src/main/java/de/ellpeck/prettypipes/pipe/modules/extraction/ExtractionModuleContainer.java

@@ -1,5 +1,7 @@
 package de.ellpeck.prettypipes.pipe.modules.extraction;
 
+import de.ellpeck.prettypipes.misc.DirectionSelector;
+import de.ellpeck.prettypipes.misc.DirectionSelector.IDirectionContainer;
 import de.ellpeck.prettypipes.misc.ItemFilter;
 import de.ellpeck.prettypipes.misc.ItemFilter.IFilteredContainer;
 import de.ellpeck.prettypipes.pipe.containers.AbstractPipeContainer;
@@ -9,9 +11,10 @@ import net.minecraft.world.inventory.MenuType;
 
 import javax.annotation.Nullable;
 
-public class ExtractionModuleContainer extends AbstractPipeContainer<ExtractionModuleItem> implements IFilteredContainer {
+public class ExtractionModuleContainer extends AbstractPipeContainer<ExtractionModuleItem> implements IFilteredContainer, IDirectionContainer {
 
     public ItemFilter filter;
+    public DirectionSelector directionSelector;
 
     public ExtractionModuleContainer(@Nullable MenuType<?> type, int id, Player player, BlockPos pos, int moduleIndex) {
         super(type, id, player, pos, moduleIndex);
@@ -20,6 +23,8 @@ public class ExtractionModuleContainer extends AbstractPipeContainer<ExtractionM
     @Override
     protected void addSlots() {
         this.filter = this.module.getItemFilter(this.moduleStack, this.tile);
+        this.directionSelector = this.module.getDirectionSelector(this.moduleStack, this.tile);
+
         for (var slot : this.filter.getSlots((176 - this.module.filterSlots * 18) / 2 + 1, 17 + 32))
             this.addSlot(slot);
     }
@@ -28,10 +33,16 @@ public class ExtractionModuleContainer extends AbstractPipeContainer<ExtractionM
     public void removed(Player playerIn) {
         super.removed(playerIn);
         this.filter.save();
+        this.directionSelector.save();
     }
 
     @Override
     public ItemFilter getFilter() {
         return this.filter;
     }
+
+    @Override
+    public DirectionSelector getSelector() {
+        return this.directionSelector;
+    }
 }

src/main/java/de/ellpeck/prettypipes/pipe/modules/extraction/ExtractionModuleGui.java

@@ -13,7 +13,8 @@ public class ExtractionModuleGui extends AbstractPipeGui<ExtractionModuleContain
     @Override
     protected void init() {
         super.init();
-        for (var widget : this.menu.filter.getButtons(this, this.leftPos + 7, this.topPos + 17 + 32 + 20))
+        for (var widget : this.menu.filter.getButtons(this, this.leftPos + this.imageWidth - 7, this.topPos + 17 + 32 + 20, true))
             this.addRenderableWidget(widget);
+        this.addRenderableWidget(this.menu.directionSelector.getButton(this.leftPos + 7, this.topPos + 17 + 32 + 20));
     }
 }

src/main/java/de/ellpeck/prettypipes/pipe/modules/extraction/ExtractionModuleItem.java

@@ -4,6 +4,7 @@ import de.ellpeck.prettypipes.Registry;
 import de.ellpeck.prettypipes.items.IModule;
 import de.ellpeck.prettypipes.items.ModuleItem;
 import de.ellpeck.prettypipes.items.ModuleTier;
+import de.ellpeck.prettypipes.misc.DirectionSelector;
 import de.ellpeck.prettypipes.misc.ItemFilter;
 import de.ellpeck.prettypipes.network.PipeNetwork;
 import de.ellpeck.prettypipes.pipe.PipeBlockEntity;
@@ -12,6 +13,7 @@ import net.minecraft.core.Direction;
 import net.minecraft.world.entity.player.Inventory;
 import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.item.ItemStack;
+import net.minecraftforge.items.IItemHandler;
 
 public class ExtractionModuleItem extends ModuleItem {
 
@@ -33,12 +35,12 @@ public class ExtractionModuleItem extends ModuleItem {
         if (!tile.shouldWorkNow(this.speed) || !tile.canWork())
             return;
         var filter = this.getItemFilter(module, tile);
-
-        var network = PipeNetwork.get(tile.getLevel());
-        for (var dir : Direction.values()) {
+        var dirSelector = this.getDirectionSelector(module, tile);
+        for (var dir : dirSelector.directions()) {
             var handler = tile.getItemHandler(dir);
             if (handler == null)
                 continue;
+            var network = PipeNetwork.get(tile.getLevel());
             for (var j = 0; j < handler.getSlots(); j++) {
                 var stack = handler.extractItem(j, this.maxExtraction, true);
                 if (stack.isEmpty())
@@ -55,13 +57,13 @@ public class ExtractionModuleItem extends ModuleItem {
     }
 
     @Override
-    public boolean canNetworkSee(ItemStack module, PipeBlockEntity tile) {
-        return false;
+    public boolean canNetworkSee(ItemStack module, PipeBlockEntity tile, Direction direction, IItemHandler handler) {
+        return !this.getDirectionSelector(module, tile).has(direction);
     }
 
     @Override
-    public boolean canAcceptItem(ItemStack module, PipeBlockEntity tile, ItemStack stack) {
-        return false;
+    public boolean canAcceptItem(ItemStack module, PipeBlockEntity tile, ItemStack stack, Direction direction, IItemHandler destination) {
+        return !this.getDirectionSelector(module, tile).has(direction);
     }
 
     @Override
@@ -83,4 +85,9 @@ public class ExtractionModuleItem extends ModuleItem {
     public ItemFilter getItemFilter(ItemStack module, PipeBlockEntity tile) {
         return new ItemFilter(this.filterSlots, module, tile);
     }
+
+    @Override
+    public DirectionSelector getDirectionSelector(ItemStack module, PipeBlockEntity tile) {
+        return new DirectionSelector(module, tile);
+    }
 }

src/main/java/de/ellpeck/prettypipes/pipe/modules/insertion/FilterModuleContainer.java

@@ -1,5 +1,7 @@
 package de.ellpeck.prettypipes.pipe.modules.insertion;
 
+import de.ellpeck.prettypipes.misc.DirectionSelector;
+import de.ellpeck.prettypipes.misc.DirectionSelector.IDirectionContainer;
 import de.ellpeck.prettypipes.misc.ItemFilter;
 import de.ellpeck.prettypipes.misc.ItemFilter.IFilteredContainer;
 import de.ellpeck.prettypipes.pipe.containers.AbstractPipeContainer;
@@ -9,9 +11,10 @@ import net.minecraft.world.inventory.MenuType;
 
 import javax.annotation.Nullable;
 
-public class FilterModuleContainer extends AbstractPipeContainer<FilterModuleItem> implements IFilteredContainer {
+public class FilterModuleContainer extends AbstractPipeContainer<FilterModuleItem> implements IFilteredContainer, IDirectionContainer {
 
     public ItemFilter filter;
+    public DirectionSelector directionSelector;
 
     public FilterModuleContainer(@Nullable MenuType<?> type, int id, Player player, BlockPos pos, int moduleIndex) {
         super(type, id, player, pos, moduleIndex);
@@ -26,6 +29,8 @@ public class FilterModuleContainer extends AbstractPipeContainer<FilterModuleIte
     @Override
     protected void addSlots() {
         this.filter = this.module.getItemFilter(this.moduleStack, this.tile);
+        this.directionSelector = this.module.getDirectionSelector(this.moduleStack, this.tile);
+
         for (var slot : this.filter.getSlots((176 - Math.min(this.module.filterSlots, 9) * 18) / 2 + 1, 17 + 32))
             this.addSlot(slot);
     }
@@ -34,10 +39,17 @@ public class FilterModuleContainer extends AbstractPipeContainer<FilterModuleIte
     public void removed(Player playerIn) {
         super.removed(playerIn);
         this.filter.save();
+        this.directionSelector.save();
     }
 
     @Override
     public ItemFilter getFilter() {
         return this.filter;
     }
+
+    @Override
+    public DirectionSelector getSelector() {
+        return this.directionSelector;
+    }
+
 }

src/main/java/de/ellpeck/prettypipes/pipe/modules/insertion/FilterModuleGui.java

@@ -14,7 +14,9 @@ public class FilterModuleGui extends AbstractPipeGui<FilterModuleContainer> {
     @Override
     protected void init() {
         super.init();
-        for (var widget : this.menu.filter.getButtons(this, this.leftPos + 7, this.topPos + 17 + 32 + 18 * Mth.ceil(this.menu.filter.getSlots() / 9F) + 2))
+        var buttonsY = this.topPos + 17 + 32 + 18 * Mth.ceil(this.menu.filter.getSlots() / 9F) + 2;
+        for (var widget : this.menu.filter.getButtons(this, this.leftPos + this.imageWidth - 7, buttonsY, true))
             this.addRenderableWidget(widget);
+        this.addRenderableWidget(this.menu.directionSelector.getButton(this.leftPos + 7, buttonsY));
     }
 }

src/main/java/de/ellpeck/prettypipes/pipe/modules/insertion/FilterModuleItem.java

@@ -4,12 +4,15 @@ import de.ellpeck.prettypipes.Registry;
 import de.ellpeck.prettypipes.items.IModule;
 import de.ellpeck.prettypipes.items.ModuleItem;
 import de.ellpeck.prettypipes.items.ModuleTier;
+import de.ellpeck.prettypipes.misc.DirectionSelector;
 import de.ellpeck.prettypipes.misc.ItemFilter;
 import de.ellpeck.prettypipes.pipe.PipeBlockEntity;
 import de.ellpeck.prettypipes.pipe.containers.AbstractPipeContainer;
+import net.minecraft.core.Direction;
 import net.minecraft.world.entity.player.Inventory;
 import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.item.ItemStack;
+import net.minecraftforge.items.IItemHandler;
 
 public class FilterModuleItem extends ModuleItem {
 
@@ -23,9 +26,8 @@ public class FilterModuleItem extends ModuleItem {
     }
 
     @Override
-    public boolean canAcceptItem(ItemStack module, PipeBlockEntity tile, ItemStack stack) {
-        var filter = this.getItemFilter(module, tile);
-        return filter.isAllowed(stack);
+    public boolean canAcceptItem(ItemStack module, PipeBlockEntity tile, ItemStack stack, Direction direction, IItemHandler destination) {
+        return !this.getDirectionSelector(module, tile).has(direction) || this.getItemFilter(module, tile).isAllowed(stack);
     }
 
     @Override
@@ -49,4 +51,9 @@ public class FilterModuleItem extends ModuleItem {
         filter.canPopulateFromInventories = this.canPopulateFromInventories;
         return filter;
     }
+
+    @Override
+    public DirectionSelector getDirectionSelector(ItemStack module, PipeBlockEntity tile) {
+        return new DirectionSelector(module, tile);
+    }
 }

src/main/java/de/ellpeck/prettypipes/pipe/modules/retrieval/RetrievalModuleContainer.java

@@ -1,5 +1,7 @@
 package de.ellpeck.prettypipes.pipe.modules.retrieval;
 
+import de.ellpeck.prettypipes.misc.DirectionSelector;
+import de.ellpeck.prettypipes.misc.DirectionSelector.IDirectionContainer;
 import de.ellpeck.prettypipes.misc.ItemFilter;
 import de.ellpeck.prettypipes.misc.ItemFilter.IFilteredContainer;
 import de.ellpeck.prettypipes.pipe.containers.AbstractPipeContainer;
@@ -9,9 +11,10 @@ import net.minecraft.world.inventory.MenuType;
 
 import javax.annotation.Nullable;
 
-public class RetrievalModuleContainer extends AbstractPipeContainer<RetrievalModuleItem> implements IFilteredContainer {
+public class RetrievalModuleContainer extends AbstractPipeContainer<RetrievalModuleItem> implements IFilteredContainer, IDirectionContainer {
 
     public ItemFilter filter;
+    public DirectionSelector directionSelector;
 
     public RetrievalModuleContainer(@Nullable MenuType<?> type, int id, Player player, BlockPos pos, int moduleIndex) {
         super(type, id, player, pos, moduleIndex);
@@ -20,6 +23,8 @@ public class RetrievalModuleContainer extends AbstractPipeContainer<RetrievalMod
     @Override
     protected void addSlots() {
         this.filter = this.module.getItemFilter(this.moduleStack, this.tile);
+        this.directionSelector = this.module.getDirectionSelector(this.moduleStack, this.tile);
+
         for (var slot : this.filter.getSlots((176 - this.module.filterSlots * 18) / 2 + 1, 17 + 32))
             this.addSlot(slot);
     }
@@ -28,10 +33,16 @@ public class RetrievalModuleContainer extends AbstractPipeContainer<RetrievalMod
     public void removed(Player playerIn) {
         super.removed(playerIn);
         this.filter.save();
+        this.directionSelector.save();
     }
 
     @Override
     public ItemFilter getFilter() {
         return this.filter;
     }
+
+    @Override
+    public DirectionSelector getSelector() {
+        return this.directionSelector;
+    }
 }

src/main/java/de/ellpeck/prettypipes/pipe/modules/retrieval/RetrievalModuleGui.java

@@ -13,7 +13,8 @@ public class RetrievalModuleGui extends AbstractPipeGui<RetrievalModuleContainer
     @Override
     protected void init() {
         super.init();
-        for (var widget : this.menu.filter.getButtons(this, this.leftPos + 7, this.topPos + 17 + 32 + 20))
+        for (var widget : this.menu.filter.getButtons(this, this.leftPos + this.imageWidth - 7, this.topPos + 17 + 32 + 20, true))
             this.addRenderableWidget(widget);
+        this.addRenderableWidget(this.menu.directionSelector.getButton(this.leftPos + 7, this.topPos + 17 + 32 + 20));
     }
 }

src/main/java/de/ellpeck/prettypipes/pipe/modules/retrieval/RetrievalModuleItem.java

@@ -4,13 +4,16 @@ import de.ellpeck.prettypipes.Registry;
 import de.ellpeck.prettypipes.items.IModule;
 import de.ellpeck.prettypipes.items.ModuleItem;
 import de.ellpeck.prettypipes.items.ModuleTier;
+import de.ellpeck.prettypipes.misc.DirectionSelector;
 import de.ellpeck.prettypipes.misc.ItemFilter;
 import de.ellpeck.prettypipes.network.PipeNetwork;
 import de.ellpeck.prettypipes.pipe.PipeBlockEntity;
 import de.ellpeck.prettypipes.pipe.containers.AbstractPipeContainer;
+import net.minecraft.core.Direction;
 import net.minecraft.world.entity.player.Inventory;
 import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.item.ItemStack;
+import net.minecraftforge.items.IItemHandler;
 
 public class RetrievalModuleItem extends ModuleItem {
 
@@ -31,8 +34,8 @@ public class RetrievalModuleItem extends ModuleItem {
     public void tick(ItemStack module, PipeBlockEntity tile) {
         if (!tile.shouldWorkNow(this.speed) || !tile.canWork())
             return;
+        var directions = this.getDirectionSelector(module, tile).directions();
         var network = PipeNetwork.get(tile.getLevel());
-
         var equalityTypes = ItemFilter.getEqualityTypes(tile);
         // loop through filters to see which items to pull
         for (var subFilter : tile.getFilters()) {
@@ -42,8 +45,8 @@ public class RetrievalModuleItem extends ModuleItem {
                     continue;
                 var copy = filtered.copy();
                 copy.setCount(this.maxExtraction);
-                var dest = tile.getAvailableDestination(copy, true, this.preventOversending);
-                if (dest == null)
+                var dest = tile.getAvailableDestination(directions, copy, true, this.preventOversending);
+                if (dest.getRight().isEmpty())
                     continue;
                 var remain = dest.getRight().copy();
                 // are we already waiting for crafting results? If so, don't request those again
@@ -55,13 +58,13 @@ public class RetrievalModuleItem extends ModuleItem {
     }
 
     @Override
-    public boolean canNetworkSee(ItemStack module, PipeBlockEntity tile) {
-        return false;
+    public boolean canNetworkSee(ItemStack module, PipeBlockEntity tile, Direction direction, IItemHandler handler) {
+        return !this.getDirectionSelector(module, tile).has(direction);
     }
 
     @Override
-    public boolean canAcceptItem(ItemStack module, PipeBlockEntity tile, ItemStack stack) {
-        return false;
+    public boolean canAcceptItem(ItemStack module, PipeBlockEntity tile, ItemStack stack, Direction direction, IItemHandler destination) {
+        return !this.getDirectionSelector(module, tile).has(direction);
     }
 
     @Override
@@ -86,4 +89,9 @@ public class RetrievalModuleItem extends ModuleItem {
         filter.isWhitelist = true;
         return filter;
     }
+
+    @Override
+    public DirectionSelector getDirectionSelector(ItemStack module, PipeBlockEntity tile) {
+        return new DirectionSelector(module, tile);
+    }
 }

src/main/java/de/ellpeck/prettypipes/terminal/containers/ItemTerminalGui.java

@@ -89,7 +89,7 @@ public class ItemTerminalGui extends AbstractContainerScreen<ItemTerminalContain
         this.minusButton.active = false;
         this.requestButton = this.addRenderableWidget(new Button(this.leftPos + this.getXOffset() + 95 - 7 - 25, this.topPos + 115, 50, 20, Component.translatable("info." + PrettyPipes.ID + ".request"), button -> {
             var widget = this.streamWidgets().filter(w -> w.selected).findFirst();
-            if (widget.isEmpty())
+            if (!widget.isPresent())
                 return;
             var stack = widget.get().stack.copy();
             stack.setCount(1);

src/main/resources/assets/prettypipes/lang/en_us.json

@@ -62,11 +62,13 @@
     "container.prettypipes.item_terminal": "Item Terminal",
     "container.prettypipes.crafting_terminal": "Crafting Terminal",
     "container.prettypipes.pressurizer": "Pipe Pressurizer",
-    "info.prettypipes.whitelist": "Allowed",
-    "info.prettypipes.blacklist": "Disallowed",
+    "info.prettypipes.whitelist": "\u00A72A",
+    "info.prettypipes.blacklist": "\u00A74D",
+    "info.prettypipes.whitelist.description": "Items in filter slots are allowed",
+    "info.prettypipes.blacklist.description": "Items in filter slots are disallowed",
     "info.prettypipes.shift": "Hold Shift for info",
-    "info.prettypipes.populate": "Populate",
-    "info.prettypipes.populate.description": "Filters items from adjacent inventories",
+    "info.prettypipes.populate": "P",
+    "info.prettypipes.populate.description": "Populate filter slots with items from adjacent inventories",
     "info.prettypipes.max_stack_size": "Maximum item amount",
     "info.prettypipes.limit_to_max_on": "Limit to one stack",
     "info.prettypipes.limit_to_max_off": "Don't limit to one stack",
@@ -88,5 +90,12 @@
     "info.prettypipes.cancel_all": "Cancel",
     "info.prettypipes.cancel_all.desc": "Stops waiting for current crafting outputs\nDoesn't remove inputs from blocks",
     "info.prettypipes.no_pipe_connected": "The terminal needs to be connected to a pipe network",
-    "info.prettypipes.too_many_pipes_connected": "The terminal can only be connected to a single pipe at a time"
+    "info.prettypipes.too_many_pipes_connected": "The terminal can only be connected to a single pipe at a time",
+    "dir.prettypipes.up": "Up",
+    "dir.prettypipes.down": "Down",
+    "dir.prettypipes.north": "North",
+    "dir.prettypipes.east": "East",
+    "dir.prettypipes.south": "South",
+    "dir.prettypipes.west": "West",
+    "dir.prettypipes.all": "All Sides"
 }