update

README.md

@@ -7,23 +7,18 @@ A Minecraft mod that adds tiered Ender Chests with massive storage capacity!
 ### Tiered Ender Chests
 | Tier | Storage Slots | Rows |
 |------|---------------|------|
-| Copper | 27 | 1 |
-| Iron | 54 | 2 |
-| Gold | 81 | 3 |
-| Diamond | 108 | 4 |
-| Netherite | 135 | 5 |
-| Dragon | 2000 | ~222 |
+| Copper | 27            | 1 |
+| Iron | 54            | 2 |
+| Gold | 81            | 3 |
+| Diamond | 108           | 4 |
+| Netherite | 135           | 5 |
+| Dragon | 1998          | ~222 |
 
 ### Portable Versions
 All tiers have handheld versions crafted with 2 sticks + the chest block.
 
 ## Building
 
-### Using Docker (Recommended)
-```bash
-docker build -t betterenderchests .
-docker run --rm -v $(pwd)/build:/app/build betterenderchests
-```
 
 ### Using Gradle
 ```bash

build.gradle

@@ -56,9 +56,10 @@ repositories {
 }
 
 dependencies {
-    implementation "net.neoforged:neoforge:${neo_version}"
+    implementation 'net.neoforged:neoforge:' + neo_version
 }
 
+
 tasks.withType(ProcessResources).configureEach {
     var replaceProperties = [
             minecraft_version   : minecraft_version,

src/main/java/com/betterenderchests/block/ModBlocks.java

@@ -35,7 +35,7 @@ public class ModBlocks {
 
     // Dragon Breath Ender Chest - Massive storage
     public static final DeferredBlock<Block> DRAGON_ENDER_CHEST = BLOCKS.registerBlock("dragon_ender_chest",
-            props -> new TieredEnderChestBlock(props, 2000), // 10^1024 concept - using large GUI instead
+            props -> new TieredEnderChestBlock(props, 1998),
             BlockBehaviour.Properties.ofFullCopy(Blocks.OBSIDIAN).strength(50f, 1200f).sound(SoundType.STONE));
 
     public static void register(IEventBus eventBus) {

src/main/java/com/betterenderchests/block/TieredEnderChestBlock.java

@@ -1,6 +1,7 @@
 package com.betterenderchests.block;
 
 import com.betterenderchests.menu.TieredEnderChestMenu;
+import com.betterenderchests.storage.PlayerSharedEnderStorage;
 import com.mojang.serialization.MapCodec;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
@@ -59,7 +60,7 @@ public class TieredEnderChestBlock extends BaseEntityBlock {
 
     @Override
     protected RenderShape getRenderShape(BlockState state) {
-        return RenderShape.ENTITYBLOCK_ANIMATED;
+        return RenderShape.MODEL;
     }
 
     @Override
@@ -71,11 +72,26 @@ public class TieredEnderChestBlock extends BaseEntityBlock {
     protected InteractionResult useWithoutItem(BlockState state, Level level, BlockPos pos, Player player, BlockHitResult hit) {
         if (level.isClientSide) {
             return InteractionResult.SUCCESS;
-        } else {
-            player.openMenu(state.getMenuProvider(level, pos));
-            player.awardStat(Stats.OPEN_ENDERCHEST);
-            return InteractionResult.CONSUME;
         }
+
+        if (player instanceof ServerPlayer serverPlayer) {
+            int normalizedSize = TieredEnderChestMenu.normalizeSize(inventorySize);
+            serverPlayer.openMenu(
+                    new SimpleMenuProvider(
+                            (containerId, playerInventory, p) -> new TieredEnderChestMenu(
+                                    containerId,
+                                    playerInventory,
+                                    PlayerSharedEnderStorage.getContainer(serverPlayer),
+                                    normalizedSize
+                            ),
+                            containerTitle
+                    ),
+                    buffer -> buffer.writeVarInt(normalizedSize)
+            );
+            player.awardStat(Stats.OPEN_ENDERCHEST);
+        }
+
+        return InteractionResult.CONSUME;
     }
 
     @Nullable

src/main/java/com/betterenderchests/client/ClientSetup.java

@@ -0,0 +1,19 @@
+package com.betterenderchests.client;
+
+import com.betterenderchests.BetterEnderChests;
+import com.betterenderchests.menu.ModMenus;
+import net.neoforged.api.distmarker.Dist;
+import net.neoforged.bus.api.SubscribeEvent;
+import net.neoforged.fml.common.EventBusSubscriber;
+import net.neoforged.neoforge.client.event.RegisterMenuScreensEvent;
+
+@EventBusSubscriber(modid = BetterEnderChests.MOD_ID, value = Dist.CLIENT, bus = EventBusSubscriber.Bus.MOD)
+public final class ClientSetup {
+    private ClientSetup() {
+    }
+
+    @SubscribeEvent
+    public static void onRegisterMenuScreens(RegisterMenuScreensEvent event) {
+        event.register(ModMenus.TIERED_ENDER_CHEST.get(), TieredEnderChestScreen::new);
+    }
+}

src/main/java/com/betterenderchests/client/TieredEnderChestScreen.java

@@ -0,0 +1,139 @@
+package com.betterenderchests.client;
+
+import com.betterenderchests.menu.TieredEnderChestMenu;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.gui.GuiGraphics;
+import net.minecraft.client.gui.screens.inventory.AbstractContainerScreen;
+import net.minecraft.network.chat.Component;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.util.Mth;
+import net.minecraft.world.entity.player.Inventory;
+
+public class TieredEnderChestScreen extends AbstractContainerScreen<TieredEnderChestMenu> {
+    private static final ResourceLocation CONTAINER_BACKGROUND =
+            ResourceLocation.withDefaultNamespace("textures/gui/container/generic_54.png");
+
+    private static final int SCROLL_X_OFFSET = 176;
+    private static final int SCROLL_Y_OFFSET = 18;
+    private static final int SCROLL_THUMB_HEIGHT = 15;
+
+    private final int visibleRows;
+
+    private boolean scrolling;
+
+    public TieredEnderChestScreen(TieredEnderChestMenu menu, Inventory playerInventory, Component title) {
+        super(menu, playerInventory, title);
+        this.visibleRows = menu.getRowCount();
+        this.imageHeight = 114 + this.visibleRows * 18;
+        this.inventoryLabelY = this.imageHeight - 94;
+    }
+
+    @Override
+    protected void renderBg(GuiGraphics guiGraphics, float partialTick, int mouseX, int mouseY) {
+        int x = this.leftPos;
+        int y = this.topPos;
+
+        guiGraphics.blit(CONTAINER_BACKGROUND, x, y, 0, 0, this.imageWidth, this.visibleRows * 18 + 17);
+        guiGraphics.blit(CONTAINER_BACKGROUND, x, y + this.visibleRows * 18 + 17, 0, 126, this.imageWidth, 96);
+
+        if (this.menu.getMaxScrollRows() > 0) {
+            int scrollX = x + SCROLL_X_OFFSET;
+            int scrollY = y + SCROLL_Y_OFFSET;
+            guiGraphics.fill(scrollX, scrollY, scrollX + 6, scrollY + getScrollTrackHeight(), 0xFF3F3F3F);
+            int thumbY = getThumbY();
+            guiGraphics.fill(scrollX, thumbY, scrollX + 6, thumbY + SCROLL_THUMB_HEIGHT, 0xFFCFCFCF);
+        }
+    }
+
+    @Override
+    protected void renderLabels(GuiGraphics guiGraphics, int mouseX, int mouseY) {
+        super.renderLabels(guiGraphics, mouseX, mouseY);
+        if (this.menu.getMaxScrollRows() > 0) {
+            String page = (this.menu.getScrollRow() + 1) + "/" + (this.menu.getMaxScrollRows() + 1);
+            guiGraphics.drawString(this.font, page, this.imageWidth - 44, 6, 0x404040, false);
+        }
+    }
+
+    @Override
+    public boolean mouseClicked(double mouseX, double mouseY, int button) {
+        if (button == 0 && this.menu.getMaxScrollRows() > 0 && isOverScrollbar(mouseX, mouseY)) {
+            this.scrolling = true;
+            updateScrollFromMouse(mouseY);
+            return true;
+        }
+        return super.mouseClicked(mouseX, mouseY, button);
+    }
+
+    @Override
+    public boolean mouseDragged(double mouseX, double mouseY, int button, double dragX, double dragY) {
+        if (this.scrolling) {
+            updateScrollFromMouse(mouseY);
+            return true;
+        }
+        return super.mouseDragged(mouseX, mouseY, button, dragX, dragY);
+    }
+
+    @Override
+    public boolean mouseReleased(double mouseX, double mouseY, int button) {
+        this.scrolling = false;
+        return super.mouseReleased(mouseX, mouseY, button);
+    }
+
+    @Override
+    public boolean mouseScrolled(double mouseX, double mouseY, double scrollX, double scrollY) {
+        if (this.menu.getMaxScrollRows() > 0) {
+            int target = this.menu.getScrollRow() - (int) Math.signum(scrollY);
+            sendScrollRow(target);
+            return true;
+        }
+        return super.mouseScrolled(mouseX, mouseY, scrollX, scrollY);
+    }
+
+    private boolean isOverScrollbar(double mouseX, double mouseY) {
+        int x = this.leftPos + SCROLL_X_OFFSET;
+        int y = this.topPos + SCROLL_Y_OFFSET;
+        return mouseX >= x && mouseX < x + 6 && mouseY >= y && mouseY < y + getScrollTrackHeight();
+    }
+
+    private int getScrollTrackHeight() {
+        return this.visibleRows * 18;
+    }
+
+    private int getThumbY() {
+        int x = this.topPos + SCROLL_Y_OFFSET;
+        int range = getScrollTrackHeight() - SCROLL_THUMB_HEIGHT;
+        if (this.menu.getMaxScrollRows() <= 0) {
+            return x;
+        }
+        float fraction = (float) this.menu.getScrollRow() / (float) this.menu.getMaxScrollRows();
+        return x + Mth.floor(fraction * range);
+    }
+
+    private void updateScrollFromMouse(double mouseY) {
+        int top = this.topPos + SCROLL_Y_OFFSET;
+        int range = getScrollTrackHeight() - SCROLL_THUMB_HEIGHT;
+        float fraction = (float) ((mouseY - top) - (SCROLL_THUMB_HEIGHT / 2.0)) / (float) range;
+        int target = Math.round(Mth.clamp(fraction, 0.0F, 1.0F) * this.menu.getMaxScrollRows());
+        sendScrollRow(target);
+    }
+
+    private void sendScrollRow(int targetRow) {
+        int clamped = Mth.clamp(targetRow, 0, this.menu.getMaxScrollRows());
+        if (clamped == this.menu.getScrollRow()) {
+            return;
+        }
+
+        this.menu.setScrollRow(clamped);
+        Minecraft minecraft = this.minecraft;
+        if (minecraft != null && minecraft.gameMode != null) {
+            minecraft.gameMode.handleInventoryButtonClick(this.menu.containerId, clamped);
+        }
+    }
+
+    @Override
+    public void render(GuiGraphics guiGraphics, int mouseX, int mouseY, float partialTick) {
+        this.renderBackground(guiGraphics, mouseX, mouseY, partialTick);
+        super.render(guiGraphics, mouseX, mouseY, partialTick);
+        this.renderTooltip(guiGraphics, mouseX, mouseY);
+    }
+}

src/main/java/com/betterenderchests/item/ModCreativeTabs.java

@@ -1,11 +1,9 @@
 package com.betterenderchests.item;
 
 import com.betterenderchests.BetterEnderChests;
-import com.betterenderchests.block.ModBlocks;
 import net.minecraft.core.registries.Registries;
 import net.minecraft.network.chat.Component;
 import net.minecraft.world.item.CreativeModeTab;
-import net.minecraft.world.item.ItemStack;
 import net.neoforged.bus.api.IEventBus;
 import net.neoforged.neoforge.registries.DeferredRegister;
 
@@ -18,23 +16,23 @@ public class ModCreativeTabs {
     public static final Supplier<CreativeModeTab> BETTER_ENDER_CHESTS_TAB = CREATIVE_MODE_TABS.register("betterenderchests_tab",
             () -> CreativeModeTab.builder()
                     .title(Component.translatable("itemGroup.betterenderchests"))
-                    .icon(() -> new ItemStack(ModBlocks.DIAMOND_ENDER_CHEST.get()))
+                    .icon(() -> ModItems.DIAMOND_ENDER_CHEST.toStack())
                     .displayItems((parameters, output) -> {
-                        // Blocks
-                        output.accept(ModBlocks.COPPER_ENDER_CHEST.get());
-                        output.accept(ModBlocks.IRON_ENDER_CHEST.get());
-                        output.accept(ModBlocks.GOLD_ENDER_CHEST.get());
-                        output.accept(ModBlocks.DIAMOND_ENDER_CHEST.get());
-                        output.accept(ModBlocks.NETHERITE_ENDER_CHEST.get());
-                        output.accept(ModBlocks.DRAGON_ENDER_CHEST.get());
+                        // Placeable chest blocks
+                        output.accept(ModItems.COPPER_ENDER_CHEST);
+                        output.accept(ModItems.IRON_ENDER_CHEST);
+                        output.accept(ModItems.GOLD_ENDER_CHEST);
+                        output.accept(ModItems.DIAMOND_ENDER_CHEST);
+                        output.accept(ModItems.NETHERITE_ENDER_CHEST);
+                        output.accept(ModItems.DRAGON_ENDER_CHEST);
 
-                        // Portable Items
-                        output.accept(ModItems.PORTABLE_COPPER_ENDER_CHEST.get());
-                        output.accept(ModItems.PORTABLE_IRON_ENDER_CHEST.get());
-                        output.accept(ModItems.PORTABLE_GOLD_ENDER_CHEST.get());
-                        output.accept(ModItems.PORTABLE_DIAMOND_ENDER_CHEST.get());
-                        output.accept(ModItems.PORTABLE_NETHERITE_ENDER_CHEST.get());
-                        output.accept(ModItems.PORTABLE_DRAGON_ENDER_CHEST.get());
+                        // Portable chest items
+                        output.accept(ModItems.PORTABLE_COPPER_ENDER_CHEST);
+                        output.accept(ModItems.PORTABLE_IRON_ENDER_CHEST);
+                        output.accept(ModItems.PORTABLE_GOLD_ENDER_CHEST);
+                        output.accept(ModItems.PORTABLE_DIAMOND_ENDER_CHEST);
+                        output.accept(ModItems.PORTABLE_NETHERITE_ENDER_CHEST);
+                        output.accept(ModItems.PORTABLE_DRAGON_ENDER_CHEST);
                     })
                     .build());
 

src/main/java/com/betterenderchests/item/ModItems.java

@@ -1,6 +1,8 @@
 package com.betterenderchests.item;
 
 import com.betterenderchests.BetterEnderChests;
+import com.betterenderchests.block.ModBlocks;
+import net.minecraft.world.item.BlockItem;
 import net.neoforged.bus.api.IEventBus;
 import net.neoforged.neoforge.registries.DeferredItem;
 import net.neoforged.neoforge.registries.DeferredRegister;
@@ -8,6 +10,31 @@ import net.neoforged.neoforge.registries.DeferredRegister;
 public class ModItems {
     public static final DeferredRegister.Items ITEMS = DeferredRegister.createItems(BetterEnderChests.MOD_ID);
 
+    // Block items for placeable chests
+    public static final DeferredItem<BlockItem> COPPER_ENDER_CHEST = ITEMS.registerItem(
+            "copper_ender_chest",
+            props -> new BlockItem(ModBlocks.COPPER_ENDER_CHEST.get(), props));
+
+    public static final DeferredItem<BlockItem> IRON_ENDER_CHEST = ITEMS.registerItem(
+            "iron_ender_chest",
+            props -> new BlockItem(ModBlocks.IRON_ENDER_CHEST.get(), props));
+
+    public static final DeferredItem<BlockItem> GOLD_ENDER_CHEST = ITEMS.registerItem(
+            "gold_ender_chest",
+            props -> new BlockItem(ModBlocks.GOLD_ENDER_CHEST.get(), props));
+
+    public static final DeferredItem<BlockItem> DIAMOND_ENDER_CHEST = ITEMS.registerItem(
+            "diamond_ender_chest",
+            props -> new BlockItem(ModBlocks.DIAMOND_ENDER_CHEST.get(), props));
+
+    public static final DeferredItem<BlockItem> NETHERITE_ENDER_CHEST = ITEMS.registerItem(
+            "netherite_ender_chest",
+            props -> new BlockItem(ModBlocks.NETHERITE_ENDER_CHEST.get(), props.fireResistant()));
+
+    public static final DeferredItem<BlockItem> DRAGON_ENDER_CHEST = ITEMS.registerItem(
+            "dragon_ender_chest",
+            props -> new BlockItem(ModBlocks.DRAGON_ENDER_CHEST.get(), props.fireResistant()));
+
     // Portable Ender Chests (Handheld versions)
     public static final DeferredItem<PortableEnderChestItem> PORTABLE_COPPER_ENDER_CHEST = ITEMS.registerItem(
             "portable_copper_ender_chest",
@@ -31,7 +58,7 @@ public class ModItems {
 
     public static final DeferredItem<PortableEnderChestItem> PORTABLE_DRAGON_ENDER_CHEST = ITEMS.registerItem(
             "portable_dragon_ender_chest",
-            props -> new PortableEnderChestItem(props, 2000).fireResistant());
+            props -> new PortableEnderChestItem(props, 1998).fireResistant());
 
     public static void register(IEventBus eventBus) {
         ITEMS.register(eventBus);

src/main/java/com/betterenderchests/item/PortableEnderChestItem.java

@@ -1,19 +1,17 @@
 package com.betterenderchests.item;
 
 import com.betterenderchests.menu.TieredEnderChestMenu;
+import com.betterenderchests.storage.PlayerSharedEnderStorage;
 import net.minecraft.network.chat.Component;
-import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.stats.Stats;
 import net.minecraft.world.InteractionHand;
 import net.minecraft.world.InteractionResultHolder;
-import net.minecraft.world.MenuProvider;
 import net.minecraft.world.SimpleMenuProvider;
-import net.minecraft.world.entity.player.Inventory;
 import net.minecraft.world.entity.player.Player;
-import net.minecraft.world.inventory.AbstractContainerMenu;
 import net.minecraft.world.item.Item;
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.level.Level;
+import net.minecraft.server.level.ServerPlayer;
 
 public class PortableEnderChestItem extends Item {
     private final int inventorySize;
@@ -30,11 +28,19 @@ public class PortableEnderChestItem extends Item {
         ItemStack stack = player.getItemInHand(hand);
 
         if (!level.isClientSide && player instanceof ServerPlayer serverPlayer) {
-            player.openMenu(new SimpleMenuProvider(
-                (containerId, playerInventory, p) -> 
-                    new TieredEnderChestMenu(containerId, playerInventory, inventorySize),
-                containerTitle
-            ));
+            int normalizedSize = TieredEnderChestMenu.normalizeSize(inventorySize);
+            serverPlayer.openMenu(
+                    new SimpleMenuProvider(
+                            (containerId, playerInventory, p) -> new TieredEnderChestMenu(
+                                    containerId,
+                                    playerInventory,
+                                    PlayerSharedEnderStorage.getContainer(serverPlayer),
+                                    normalizedSize
+                            ),
+                            containerTitle
+                    ),
+                    buffer -> buffer.writeVarInt(normalizedSize)
+            );
             player.awardStat(Stats.OPEN_ENDERCHEST);
         }
 
@@ -48,4 +54,7 @@ public class PortableEnderChestItem extends Item {
     public PortableEnderChestItem fireResistant() {
         return this;
     }
+
+
+
 }

src/main/java/com/betterenderchests/menu/ModMenus.java

@@ -16,7 +16,7 @@ public class ModMenus {
     public static final Supplier<MenuType<TieredEnderChestMenu>> TIERED_ENDER_CHEST = MENUS.register(
         "tiered_ender_chest",
         () -> IMenuTypeExtension.create((containerId, playerInventory, buf) ->
-            new TieredEnderChestMenu(containerId, playerInventory)));
+            new TieredEnderChestMenu(containerId, playerInventory, buf)));
 
     public static void register(IEventBus eventBus) {
         MENUS.register(eventBus);

src/main/java/com/betterenderchests/menu/TieredEnderChestMenu.java

@@ -1,6 +1,7 @@
 package com.betterenderchests.menu;
 
 import net.minecraft.network.RegistryFriendlyByteBuf;
+import net.minecraft.util.Mth;
 import net.minecraft.world.Container;
 import net.minecraft.world.SimpleContainer;
 import net.minecraft.world.entity.player.Inventory;
@@ -10,53 +11,104 @@ import net.minecraft.world.inventory.Slot;
 import net.minecraft.world.item.ItemStack;
 
 public class TieredEnderChestMenu extends AbstractContainerMenu {
+    public static final int VISIBLE_ROWS = 6;
+    public static final int VISIBLE_SLOTS = VISIBLE_ROWS * 9;
+    public static final int MAX_LOGICAL_SIZE = 1998;
+
     private final Container container;
-    private final int containerRows;
-    private final int containerCols = 9;
+    private final int logicalSize;
+    private final int logicalRows;
+    private final int visibleRows;
+    private final int visibleSlots;
+    private final int maxScrollRows;
+    private int scrollRow;
 
     public TieredEnderChestMenu(int containerId, Inventory playerInventory) {
-        this(containerId, playerInventory, 27); // Default 3 rows
+        this(containerId, playerInventory, 27);
     }
 
     public TieredEnderChestMenu(int containerId, RegistryFriendlyByteBuf buffer) {
-        this(containerId, null, 27); // Network sync constructor - will be filled from client
+        this(containerId, null, readSize(buffer));
+    }
+
+    public TieredEnderChestMenu(int containerId, Inventory playerInventory, RegistryFriendlyByteBuf buffer) {
+        this(containerId, playerInventory, readSize(buffer));
+    }
+
+    public static int normalizeSize(int requestedSize) {
+        int clamped = Mth.clamp(requestedSize, 9, MAX_LOGICAL_SIZE);
+        return clamped - (clamped % 9);
+    }
+
+    private static int readSize(RegistryFriendlyByteBuf buffer) {
+        return normalizeSize(buffer.readVarInt());
     }
 
     public TieredEnderChestMenu(int containerId, Inventory playerInventory, int size) {
-        this(containerId, playerInventory, new SimpleContainer(size), size);
+        this(containerId, playerInventory, new SimpleContainer(normalizeSize(size)), normalizeSize(size));
     }
 
     public TieredEnderChestMenu(int containerId, Inventory playerInventory, Container container, int size) {
         super(ModMenus.TIERED_ENDER_CHEST.get(), containerId);
+        this.logicalSize = normalizeSize(size);
+        this.logicalRows = this.logicalSize / 9;
+        this.visibleRows = Math.min(VISIBLE_ROWS, this.logicalRows);
+        this.visibleSlots = this.visibleRows * 9;
+        this.maxScrollRows = Math.max(0, this.logicalRows - this.visibleRows);
         this.container = container;
-        this.containerRows = size / 9;
 
-        checkContainerSize(container, size);
-        container.startOpen(playerInventory.player);
+        if (container.getContainerSize() < this.logicalSize) {
+            throw new IllegalArgumentException("Container is smaller than logical size: " + container.getContainerSize() + " < " + this.logicalSize);
+        }
+
+        if (playerInventory != null) {
+            container.startOpen(playerInventory.player);
+        }
 
-        // Container inventory slots
         int slotY = 17;
-        for (int row = 0; row < containerRows; row++) {
+        for (int row = 0; row < this.visibleRows; row++) {
             for (int col = 0; col < 9; col++) {
-                this.addSlot(new Slot(container, col + row * 9, 8 + col * 18, slotY + row * 18));
+                int visibleIndex = col + row * 9;
+                this.addSlot(new ScrollingSlot(container, visibleIndex, 8 + col * 18, slotY + row * 18));
             }
         }
 
-        // Player inventory slots
-        int playerInventoryY = slotY + containerRows * 18 + 14;
-        for (int row = 0; row < 3; row++) {
+        int playerInventoryY = slotY + this.visibleRows * 18 + 14;
+        if (playerInventory != null) {
+            for (int row = 0; row < 3; row++) {
+                for (int col = 0; col < 9; col++) {
+                    this.addSlot(new Slot(playerInventory, col + row * 9 + 9, 8 + col * 18, playerInventoryY + row * 18));
+                }
+            }
+
+            int hotbarY = playerInventoryY + 58;
             for (int col = 0; col < 9; col++) {
-                this.addSlot(new Slot(playerInventory, col + row * 9 + 9, 8 + col * 18, playerInventoryY + row * 18));
+                this.addSlot(new Slot(playerInventory, col, 8 + col * 18, hotbarY));
             }
         }
+    }
 
-        // Player hotbar slots
-        int hotbarY = playerInventoryY + 58;
-        for (int col = 0; col < 9; col++) {
-            this.addSlot(new Slot(playerInventory, col, 8 + col * 18, hotbarY));
+    private int toLogicalIndex(int visibleSlot) {
+        return visibleSlot + this.scrollRow * 9;
+    }
+
+    public void setScrollRow(int row) {
+        int clamped = Mth.clamp(row, 0, this.maxScrollRows);
+        if (this.scrollRow != clamped) {
+            this.scrollRow = clamped;
+            this.broadcastChanges();
         }
     }
 
+    @Override
+    public boolean clickMenuButton(Player player, int id) {
+        if (id >= 0 && id <= this.maxScrollRows) {
+            setScrollRow(id);
+            return true;
+        }
+        return false;
+    }
+
     @Override
     public boolean stillValid(Player player) {
         return this.container.stillValid(player);
@@ -71,11 +123,11 @@ public class TieredEnderChestMenu extends AbstractContainerMenu {
             ItemStack slotStack = slot.getItem();
             itemstack = slotStack.copy();
 
-            if (index < this.containerRows * 9) {
-                if (!this.moveItemStackTo(slotStack, this.containerRows * 9, this.slots.size(), true)) {
+            if (index < this.visibleSlots) {
+                if (!this.moveItemStackTo(slotStack, this.visibleSlots, this.slots.size(), true)) {
                     return ItemStack.EMPTY;
                 }
-            } else if (!this.moveItemStackTo(slotStack, 0, this.containerRows * 9, false)) {
+            } else if (!this.moveItemStackTo(slotStack, 0, this.visibleSlots, false)) {
                 return ItemStack.EMPTY;
             }
 
@@ -95,11 +147,68 @@ public class TieredEnderChestMenu extends AbstractContainerMenu {
         this.container.stopOpen(player);
     }
 
-    public Container getContainer() {
-        return container;
+    public int getRowCount() {
+        return this.visibleRows;
     }
 
-    public int getRowCount() {
-        return containerRows;
+    public int getLogicalRows() {
+        return this.logicalRows;
+    }
+
+    public int getMaxScrollRows() {
+        return this.maxScrollRows;
+    }
+
+    public int getScrollRow() {
+        return this.scrollRow;
+    }
+
+    private class ScrollingSlot extends Slot {
+        private final int visibleIndex;
+
+        private ScrollingSlot(Container container, int visibleIndex, int x, int y) {
+            super(container, visibleIndex, x, y);
+            this.visibleIndex = visibleIndex;
+        }
+
+        private int logicalIndex() {
+            return toLogicalIndex(this.visibleIndex);
+        }
+
+        @Override
+        public int getContainerSlot() {
+            return logicalIndex();
+        }
+
+        @Override
+        public ItemStack getItem() {
+            return container.getItem(logicalIndex());
+        }
+
+        @Override
+        public boolean hasItem() {
+            return !getItem().isEmpty();
+        }
+
+        @Override
+        public void set(ItemStack stack) {
+            container.setItem(logicalIndex(), stack);
+            setChanged();
+        }
+
+        @Override
+        public ItemStack remove(int amount) {
+            return container.removeItem(logicalIndex(), amount);
+        }
+
+        @Override
+        public boolean mayPlace(ItemStack stack) {
+            return container.canPlaceItem(logicalIndex(), stack);
+        }
+
+        @Override
+        public void setChanged() {
+            container.setChanged();
+        }
     }
 }

src/main/java/com/betterenderchests/storage/PlayerSharedEnderStorage.java

@@ -0,0 +1,66 @@
+package com.betterenderchests.storage;
+
+import com.betterenderchests.menu.TieredEnderChestMenu;
+import net.minecraft.core.NonNullList;
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.world.ContainerHelper;
+import net.minecraft.world.SimpleContainer;
+import net.minecraft.world.item.ItemStack;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.UUID;
+
+public final class PlayerSharedEnderStorage {
+    private static final String STORAGE_TAG = "betterenderchests_shared_storage";
+    private static final Map<UUID, PersistentContainer> CACHE = new HashMap<>();
+
+    private PlayerSharedEnderStorage() {
+    }
+
+    public static SimpleContainer getContainer(ServerPlayer player) {
+        return CACHE.computeIfAbsent(player.getUUID(), ignored -> createAndLoad(player));
+    }
+
+    private static PersistentContainer createAndLoad(ServerPlayer player) {
+        PersistentContainer container = new PersistentContainer(player);
+        load(container, player);
+        return container;
+    }
+
+    private static void load(PersistentContainer container, ServerPlayer player) {
+        CompoundTag tag = player.getPersistentData().getCompound(STORAGE_TAG);
+        NonNullList<ItemStack> items = NonNullList.withSize(TieredEnderChestMenu.MAX_LOGICAL_SIZE, ItemStack.EMPTY);
+        ContainerHelper.loadAllItems(tag, items, player.registryAccess());
+        for (int i = 0; i < items.size(); i++) {
+            container.setItem(i, items.get(i));
+        }
+    }
+
+    private static void save(PersistentContainer container, ServerPlayer player) {
+        NonNullList<ItemStack> items = NonNullList.withSize(TieredEnderChestMenu.MAX_LOGICAL_SIZE, ItemStack.EMPTY);
+        for (int i = 0; i < items.size(); i++) {
+            items.set(i, container.getItem(i));
+        }
+        CompoundTag tag = new CompoundTag();
+        ContainerHelper.saveAllItems(tag, items, player.registryAccess());
+        player.getPersistentData().put(STORAGE_TAG, tag);
+    }
+
+    private static class PersistentContainer extends SimpleContainer {
+        private final ServerPlayer owner;
+
+        private PersistentContainer(ServerPlayer owner) {
+            super(TieredEnderChestMenu.MAX_LOGICAL_SIZE);
+            this.owner = owner;
+        }
+
+        @Override
+        public void setChanged() {
+            super.setChanged();
+            save(this, owner);
+        }
+    }
+}
+

src/main/resources/data/betterenderchests/recipe/portable_copper_ender_chest.json

@@ -2,14 +2,14 @@
   "type": "minecraft:crafting_shaped",
   "pattern": [
     " S ",
-    "SES",
+    "SCS",
     " S "
   ],
   "key": {
     "S": {
       "item": "minecraft:stick"
     },
-    "E": {
+    "C": {
       "item": "betterenderchests:copper_ender_chest"
     }
   },

src/main/resources/data/betterenderchests/recipe/portable_diamond_ender_chest.json

@@ -2,14 +2,14 @@
   "type": "minecraft:crafting_shaped",
   "pattern": [
     " S ",
-    "SES",
+    "SCS",
     " S "
   ],
   "key": {
     "S": {
       "item": "minecraft:stick"
     },
-    "E": {
+    "C": {
       "item": "betterenderchests:diamond_ender_chest"
     }
   },

src/main/resources/data/betterenderchests/recipe/portable_dragon_ender_chest.json

@@ -2,14 +2,14 @@
   "type": "minecraft:crafting_shaped",
   "pattern": [
     " S ",
-    "SES",
+    "SCS",
     " S "
   ],
   "key": {
     "S": {
       "item": "minecraft:stick"
     },
-    "E": {
+    "C": {
       "item": "betterenderchests:dragon_ender_chest"
     }
   },

src/main/resources/data/betterenderchests/recipe/portable_gold_ender_chest.json

@@ -2,14 +2,14 @@
   "type": "minecraft:crafting_shaped",
   "pattern": [
     " S ",
-    "SES",
+    "SCS",
     " S "
   ],
   "key": {
     "S": {
       "item": "minecraft:stick"
     },
-    "E": {
+    "C": {
       "item": "betterenderchests:gold_ender_chest"
     }
   },

src/main/resources/data/betterenderchests/recipe/portable_iron_ender_chest.json

@@ -2,14 +2,14 @@
   "type": "minecraft:crafting_shaped",
   "pattern": [
     " S ",
-    "SES",
+    "SCS",
     " S "
   ],
   "key": {
     "S": {
       "item": "minecraft:stick"
     },
-    "E": {
+    "C": {
       "item": "betterenderchests:iron_ender_chest"
     }
   },

src/main/resources/data/betterenderchests/recipe/portable_netherite_ender_chest.json

@@ -2,14 +2,14 @@
   "type": "minecraft:crafting_shaped",
   "pattern": [
     " S ",
-    "SES",
+    "SCS",
     " S "
   ],
   "key": {
     "S": {
       "item": "minecraft:stick"
     },
-    "E": {
+    "C": {
       "item": "betterenderchests:netherite_ender_chest"
     }
   },