blockstacker without menu

src/main/java/de/jottyfan/quickiemod/block/BlockDrill.java

@@ -6,7 +6,6 @@ import java.util.Map;
 import com.mojang.serialization.MapCodec;
 
 import de.jottyfan.quickiemod.blockentity.DrillBlockEntity;
-import de.jottyfan.quickiemod.blockentity.EnumDrillDirection;
 import de.jottyfan.quickiemod.item.ModItems;
 import net.minecraft.block.AbstractBlock;
 import net.minecraft.block.Block;
@@ -24,12 +23,14 @@ import net.minecraft.item.Items;
 import net.minecraft.registry.RegistryKey;
 import net.minecraft.registry.RegistryKeys;
 import net.minecraft.state.StateManager.Builder;
+import net.minecraft.state.property.EnumProperty;
 import net.minecraft.state.property.IntProperty;
 import net.minecraft.text.Text;
 import net.minecraft.util.ActionResult;
 import net.minecraft.util.Identifier;
 import net.minecraft.util.hit.BlockHitResult;
 import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
 import net.minecraft.world.World;
 
 /**
@@ -40,11 +41,11 @@ import net.minecraft.world.World;
 public class BlockDrill extends FallingBlock implements BlockEntityProvider {
 	private static final Integer MAX_FUEL = 255;
 	public static final IntProperty FUEL = IntProperty.of("fuel", 0, MAX_FUEL);
-	public static final IntProperty DIRECTION = IntProperty.of("direction", 0, 4);
+	public static final EnumProperty<Direction> DIRECTION = EnumProperty.of("direction", Direction.class, Direction.values());
 
-	public BlockDrill(Identifier identifier, EnumDrillDirection direction) {
+	public BlockDrill(Identifier identifier, Direction direction) {
 		super(AbstractBlock.Settings.create().hardness(2.5f).registryKey(RegistryKey.of(RegistryKeys.BLOCK, identifier)));
-		setDefaultState(getDefaultState().with(FUEL, 0).with(DIRECTION, direction.get()));
+		setDefaultState(getDefaultState().with(FUEL, 0).with(DIRECTION, direction));
 	}
 
 	@Override

src/main/java/de/jottyfan/quickiemod/block/BlockStacker.java

@@ -0,0 +1,117 @@
+package de.jottyfan.quickiemod.block;
+
+import com.mojang.serialization.MapCodec;
+
+import de.jottyfan.quickiemod.blockentity.BlockStackerEntity;
+import de.jottyfan.quickiemod.blockentity.ModBlockentity;
+import net.minecraft.block.AbstractBlock;
+import net.minecraft.block.BlockEntityProvider;
+import net.minecraft.block.BlockRenderType;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.BlockWithEntity;
+import net.minecraft.block.entity.BlockEntity;
+import net.minecraft.block.entity.BlockEntityTicker;
+import net.minecraft.block.entity.BlockEntityType;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.registry.RegistryKey;
+import net.minecraft.registry.RegistryKeys;
+import net.minecraft.screen.ScreenHandler;
+import net.minecraft.util.ActionResult;
+import net.minecraft.util.Identifier;
+import net.minecraft.util.ItemScatterer;
+import net.minecraft.util.hit.BlockHitResult;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
+import net.minecraft.world.World;
+
+/**
+ *
+ * @author jotty
+ *
+ */
+public class BlockStacker extends BlockWithEntity implements BlockEntityProvider {
+
+	private final Direction source;
+	private final Direction dest;
+
+	public BlockStacker(Identifier identifier, Direction source, Direction dest) {
+		super(AbstractBlock.Settings.create().hardness(2.5f).registryKey(RegistryKey.of(RegistryKeys.BLOCK, identifier)));
+		this.source = source;
+		this.dest = dest;
+	}
+
+	@Override
+	public BlockRenderType getRenderType(BlockState state) {
+		return BlockRenderType.MODEL;
+	}
+
+	/**
+	 * define the source offset
+	 *
+	 * @return the direction of the source offset (1 block beside)
+	 */
+	public Direction getSourceOffset() {
+		return source;
+	}
+
+	/**
+	 * define the dest offset
+	 *
+	 * @return the direction of the dest offset (1 block beside)
+	 */
+	public Direction getDestOffset() {
+		return dest;
+	}
+
+	@Override
+	public BlockEntity createBlockEntity(BlockPos pos, BlockState state) {
+		return new BlockStackerEntity(pos, state);
+	}
+
+	@Override
+	protected MapCodec<? extends BlockWithEntity> getCodec() {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	@Override
+	public <T extends BlockEntity> BlockEntityTicker<T> getTicker(World world, BlockState state,
+			BlockEntityType<T> type) {
+		return validateTicker(type, ModBlockentity.BLOCKSTACKER_BLOCKENTITY,
+				(world1, pos, state1, be) -> BlockStackerEntity.tick(world1, pos, state1, be));
+	}
+
+	@Override
+	protected ActionResult onUse(BlockState state, World world, BlockPos pos, PlayerEntity player, BlockHitResult hit) {
+//		if (!world.isClient) {
+//			NamedScreenHandlerFactory screenHandlerFactory = state.createScreenHandlerFactory(world, pos);
+//			if (screenHandlerFactory != null) {
+//				player.openHandledScreen(screenHandlerFactory);
+//			}
+//		}
+		return ActionResult.SUCCESS;
+	}
+
+	@Override
+	public void onStateReplaced(BlockState state, World world, BlockPos pos, BlockState newState, boolean moved) {
+		if (state.getBlock() != newState.getBlock()) {
+			BlockEntity blockEntity = world.getBlockEntity(pos);
+			if (blockEntity instanceof BlockStackerEntity) {
+				ItemScatterer.spawn(world, pos, (BlockStackerEntity) blockEntity);
+				// update comparators
+				world.updateComparators(pos, this);
+			}
+			super.onStateReplaced(state, world, pos, newState, moved);
+		}
+	}
+
+	@Override
+	public boolean hasComparatorOutput(BlockState state) {
+		return true;
+	}
+
+	@Override
+	public int getComparatorOutput(BlockState state, World world, BlockPos pos) {
+		return ScreenHandler.calculateComparatorOutput(world.getBlockEntity(pos));
+	}
+}

src/main/java/de/jottyfan/quickiemod/block/ModBlocks.java

@@ -4,7 +4,6 @@ import java.util.ArrayList;
 import java.util.List;
 
 import de.jottyfan.quickiemod.Quickiemod;
-import de.jottyfan.quickiemod.blockentity.EnumDrillDirection;
 import de.jottyfan.quickiemod.identifier.ModIdentifiers;
 import de.jottyfan.quickiemod.item.ModItems;
 import net.minecraft.block.Block;
@@ -17,6 +16,7 @@ import net.minecraft.registry.RegistryKey;
 import net.minecraft.registry.RegistryKeys;
 import net.minecraft.sound.BlockSoundGroup;
 import net.minecraft.util.Identifier;
+import net.minecraft.util.math.Direction;
 
 /**
  *
@@ -62,15 +62,27 @@ public class ModBlocks {
 	public static final Block BLOCK_CANOLAPLANT = registerBlock(ModIdentifiers.BLOCK_CANOLAPLANT,
 			new BlockPlant(ModIdentifiers.BLOCK_CANOLAPLANT, ModItems.ITEM_CANOLASEED, ModItems.ITEM_CANOLA), false);
 	public static final Block BLOCK_DRILL_DOWN = registerBlock(ModIdentifiers.BLOCK_DRILLDOWN,
-			new BlockDrill(ModIdentifiers.BLOCK_DRILLDOWN, EnumDrillDirection.DOWN));
+			new BlockDrill(ModIdentifiers.BLOCK_DRILLDOWN, Direction.DOWN));
 	public static final Block BLOCK_DRILL_EAST = registerBlock(ModIdentifiers.BLOCK_DRILLEAST,
-			new BlockDrill(ModIdentifiers.BLOCK_DRILLEAST, EnumDrillDirection.EAST));
+			new BlockDrill(ModIdentifiers.BLOCK_DRILLEAST, Direction.EAST));
 	public static final Block BLOCK_DRILL_SOUTH = registerBlock(ModIdentifiers.BLOCK_DRILLSOUTH,
-			new BlockDrill(ModIdentifiers.BLOCK_DRILLSOUTH, EnumDrillDirection.SOUTH));
+			new BlockDrill(ModIdentifiers.BLOCK_DRILLSOUTH, Direction.SOUTH));
 	public static final Block BLOCK_DRILL_WEST = registerBlock(ModIdentifiers.BLOCK_DRILLWEST,
-			new BlockDrill(ModIdentifiers.BLOCK_DRILLWEST, EnumDrillDirection.WEST));
+			new BlockDrill(ModIdentifiers.BLOCK_DRILLWEST, Direction.WEST));
 	public static final Block BLOCK_DRILL_NORTH = registerBlock(ModIdentifiers.BLOCK_DRILLNORTH,
-			new BlockDrill(ModIdentifiers.BLOCK_DRILLNORTH, EnumDrillDirection.NORTH));
+			new BlockDrill(ModIdentifiers.BLOCK_DRILLNORTH, Direction.NORTH));
+	public static final Block BLOCK_STACKER_DOWN = registerBlock(ModIdentifiers.BLOCK_STACKERDOWN,
+			new BlockStacker(ModIdentifiers.BLOCK_STACKERDOWN, Direction.UP, Direction.DOWN));
+	public static final Block BLOCK_STACKER_EAST = registerBlock(ModIdentifiers.BLOCK_STACKEREAST,
+			new BlockStacker(ModIdentifiers.BLOCK_STACKEREAST, Direction.WEST, Direction.EAST));
+	public static final Block BLOCK_STACKER_SOUTH = registerBlock(ModIdentifiers.BLOCK_STACKERSOUTH,
+			new BlockStacker(ModIdentifiers.BLOCK_STACKERSOUTH, Direction.NORTH, Direction.SOUTH));
+	public static final Block BLOCK_STACKER_WEST = registerBlock(ModIdentifiers.BLOCK_STACKERWEST,
+			new BlockStacker(ModIdentifiers.BLOCK_STACKERWEST, Direction.EAST, Direction.WEST));
+	public static final Block BLOCK_STACKER_NORTH = registerBlock(ModIdentifiers.BLOCK_STACKERNORTH,
+			new BlockStacker(ModIdentifiers.BLOCK_STACKERNORTH, Direction.SOUTH, Direction.NORTH));
+	public static final Block BLOCK_STACKER_UP = registerBlock(ModIdentifiers.BLOCK_STACKERUP,
+			new BlockStacker(ModIdentifiers.BLOCK_STACKERUP, Direction.DOWN, Direction.UP));
 
 	private static final Block registerBlock(Identifier identifier, Block block) {
 		return registerBlock(identifier, block, true);
@@ -109,6 +121,12 @@ public class ModBlocks {
 		blocks.add(BLOCK_DRILL_SOUTH);
 		blocks.add(BLOCK_DRILL_WEST);
 		blocks.add(BLOCK_DRILL_NORTH);
+		blocks.add(BLOCK_STACKER_DOWN);
+		blocks.add(BLOCK_STACKER_EAST);
+		blocks.add(BLOCK_STACKER_SOUTH);
+		blocks.add(BLOCK_STACKER_WEST);
+		blocks.add(BLOCK_STACKER_NORTH);
+		blocks.add(BLOCK_STACKER_UP);
 		return blocks;
 	}
 }

src/main/java/de/jottyfan/quickiemod/blockentity/BlockStackerEntity.java

@@ -0,0 +1,261 @@
+package de.jottyfan.quickiemod.blockentity;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import de.jottyfan.quickiemod.Quickiemod;
+import de.jottyfan.quickiemod.block.BlockStacker;
+import de.jottyfan.quickiemod.container.BlockStackerScreenHandler;
+import de.jottyfan.quickiemod.container.ImplementedInventory;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.entity.BlockEntity;
+import net.minecraft.block.entity.LootableContainerBlockEntity;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.entity.player.PlayerInventory;
+import net.minecraft.inventory.Inventories;
+import net.minecraft.item.Item;
+import net.minecraft.item.ItemStack;
+import net.minecraft.item.Items;
+import net.minecraft.nbt.NbtCompound;
+import net.minecraft.registry.RegistryWrapper.WrapperLookup;
+import net.minecraft.screen.NamedScreenHandlerFactory;
+import net.minecraft.screen.ScreenHandler;
+import net.minecraft.text.Text;
+import net.minecraft.util.collection.DefaultedList;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.World;
+
+/**
+ *
+ * @author jotty
+ *
+ */
+public class BlockStackerEntity extends BlockEntity implements NamedScreenHandlerFactory, ImplementedInventory {
+
+	private final DefaultedList<ItemStack> inventory = DefaultedList.ofSize(BlockStackerScreenHandler.SLOTSIZE, ItemStack.EMPTY);
+
+	public BlockStackerEntity(BlockPos blockPos, BlockState blockState) {
+		super(ModBlockentity.BLOCKSTACKER_BLOCKENTITY, blockPos, blockState);
+	}
+
+	@Override
+	public DefaultedList<ItemStack> getItems() {
+		return inventory;
+	}
+
+	public List<ItemStack> getWhiteList() {
+		int counter = 0;
+		List<ItemStack> list = new ArrayList<>();
+		for (ItemStack stack : inventory) {
+			counter++;
+			if (counter < 10) { // first 9 items are whitelist items
+				list.add(stack);
+			}
+		}
+		return list;
+	}
+
+	public List<ItemStack> getBlackList() {
+		int counter = 0;
+		List<ItemStack> list = new ArrayList<>();
+		for (ItemStack stack : inventory) {
+			counter++;
+			if (counter > 9) { // second 9 items are blacklist items
+				list.add(stack);
+			}
+		}
+		return list;
+	}
+
+	@Override
+  public ScreenHandler createMenu(int syncId, PlayerInventory playerInventory, PlayerEntity player) {
+    return new BlockStackerScreenHandler(syncId, playerInventory, this);
+  }
+
+  @Override
+  public Text getDisplayName() {
+    return Text.translatable(getCachedState().getBlock().getTranslationKey());
+  }
+
+  @Override
+  protected void readNbt(NbtCompound nbt, WrapperLookup registryLookup) {
+  	super.readNbt(nbt, registryLookup);
+		Inventories.readNbt(nbt, inventory, registryLookup);
+  }
+
+  @Override
+  protected void writeNbt(NbtCompound nbt, WrapperLookup registryLookup) {
+		Inventories.writeNbt(nbt, inventory, registryLookup);
+  	super.writeNbt(nbt, registryLookup);
+  }
+
+	/**
+	 * if whitelist, return true if current == pattern; return false otherwise
+	 *
+	 * @param current   the current item stack
+	 * @param pattern   the item stack to compare with
+	 * @param whitelist if true, filter only current == pattern, if false, filter
+	 *                  all but that
+	 * @return true or false
+	 */
+	public static final Boolean filter(ItemStack current, ItemStack pattern, Boolean whitelist) {
+		Boolean matches = pattern.getItem().equals(current.getItem());
+		return whitelist ? matches : !matches;
+	}
+
+	public static void tick(World world, BlockPos pos, BlockState state, BlockStackerEntity entity) {
+		if (!world.isClient) {
+			pos.down();
+			BlockStacker block = (BlockStacker) state.getBlock();
+			BlockEntity source = world.getBlockEntity(pos.offset(block.getSourceOffset()));
+			BlockEntity dest = world.getBlockEntity(pos.offset(block.getDestOffset()));
+			Boolean sourceIsLootable = source instanceof LootableContainerBlockEntity;
+			Boolean destIsLootable = dest instanceof LootableContainerBlockEntity;
+			if (sourceIsLootable && destIsLootable) {
+				LootableContainerBlockEntity lootableSource = (LootableContainerBlockEntity) source;
+				LootableContainerBlockEntity lootableDest = (LootableContainerBlockEntity) dest;
+				transferOneStack(lootableSource, lootableDest, entity.getWhiteList(), entity.getBlackList());
+			}
+		}
+	}
+
+	private static final Boolean transferOneStack(LootableContainerBlockEntity source, LootableContainerBlockEntity dest, List<ItemStack> whiteList, List<ItemStack> blackList) {
+
+		// whitelist behaviour
+		List<Item> checked = new ArrayList<>();
+
+		// this way, we block whitelist items that are in the blacklist
+		for (ItemStack stack : blackList) {
+			if (stack != null && !stack.isEmpty()) {
+				checked.add(stack.getItem());
+			}
+		}
+		Boolean found = false;
+
+		if (hasItems(whiteList)) {
+			Item matchItem = findNextItem(whiteList, checked);
+			while(!found && matchItem != null) {
+				checked.add(matchItem);
+				List<Item> matchItems = new ArrayList<>();
+				matchItems.add(matchItem);
+				found = transferOneStack(source, dest, matchItems, true);
+				matchItem = findNextItem(whiteList, checked);
+			}
+		} else {
+			// transport all but the items of the blacklist
+			found = transferOneStack(source, dest, checked, false);
+		}
+		return found;
+	}
+
+	private static final Boolean transferOneStack(LootableContainerBlockEntity source, LootableContainerBlockEntity dest,
+			List<Item> ignoreItems, Boolean whitelist) {
+		Boolean result = false;
+		Integer sourceSlot = findItemStackPos(source, ignoreItems, whitelist);
+		if (sourceSlot != null && !Items.AIR.equals(source.getStack(sourceSlot).getItem())) {
+			ItemStack sourceStack = source.getStack(sourceSlot);
+			Integer destSlot = findItemStackPos(dest, sourceStack);
+			if (destSlot != null) {
+				Integer occupied = dest.getStack(destSlot).getCount();
+				Integer free = dest.getStack(destSlot).getMaxCount() - occupied;
+				Integer candidates = source.getStack(sourceSlot).getCount();
+				Integer travellers = candidates > free ? free : candidates;
+				if (travellers > 0) {
+					Quickiemod.LOGGER.debug("transfer {}/{} of {} from slot {} to slot {} on top of {} ones", travellers, candidates,
+							source.getStack(sourceSlot).getItem().toString(), sourceSlot, destSlot, occupied);
+					source.getStack(sourceSlot).decrement(travellers);
+					if (source.getStack(sourceSlot).getCount() < 1) {
+						source.removeStack(sourceSlot); // make empty slots really empty
+					}
+					dest.getStack(destSlot).increment(travellers);
+					result = true;
+				}
+			} else {
+				Integer destFreeSlot = findItemStackPos(dest, true);
+				if (destFreeSlot != null) {
+					Quickiemod.LOGGER.debug("transfer all of {} from slot {} to slot {}", source.getStack(sourceSlot).getItem().toString(),
+							sourceSlot, destSlot);
+					dest.setStack(destFreeSlot, source.removeStack(sourceSlot));
+					result = true;
+				}
+			}
+		}
+		return result;
+	}
+
+	private static final Boolean hasItems(List<ItemStack> list) {
+		Boolean result = false;
+		for (ItemStack stack : list) {
+			result = result || (stack != null && !stack.isEmpty() && stack.getCount() > 0);
+		}
+		return result;
+	}
+
+	private static final Item findNextItem(List<ItemStack> inventory, List<Item> exclude) {
+		for (ItemStack stack : inventory) {
+			if (!stack.isEmpty()) {
+				Item item = stack.getItem();
+				if (!exclude.contains(item)) {
+					return item;
+				}
+			}
+		}
+		return null;
+	}
+
+	private static final Integer findItemStackPos(LootableContainerBlockEntity lcbe, ItemStack sourceStack) {
+		Integer counter = lcbe.size();
+		while (counter > 0) {
+			counter--;
+			ItemStack stack = lcbe.getStack(counter);
+			if (sourceStack.getItem().equals(stack.getItem())) {
+				if (stack.getCount() < stack.getMaxCount()) {
+					return counter;
+				}
+			}
+		}
+		return null;
+	}
+
+	private static final Integer findItemStackPos(LootableContainerBlockEntity lcbe, Boolean empty) {
+		Integer counter = lcbe.size();
+		while (counter > 0) {
+			counter--;
+			ItemStack stack = lcbe.getStack(counter);
+			if (empty.equals(ItemStack.EMPTY.equals(stack))) {
+				return counter;
+			}
+		}
+		return null;
+	}
+
+	private static final Integer findItemStackPos(LootableContainerBlockEntity lcbe, List<Item> filterItems, Boolean whitelist) {
+		if (whitelist == null) {
+			whitelist = true;
+			Quickiemod.LOGGER.error("whitelist is null");
+		}
+		if (filterItems == null || filterItems.size() < 1) {
+			if (whitelist) {
+				return null;
+			} else {
+				return findItemStackPos(lcbe, false);
+			}
+		} else {
+			Integer counter = lcbe.size();
+			while (counter > 0) {
+				counter--;
+				ItemStack stack = lcbe.getStack(counter);
+				Boolean found = whitelist ? filterItems.contains(stack.getItem()) : !filterItems.contains(stack.getItem());
+				if (found) {
+					return counter;
+				}
+			}
+			return null;
+		}
+	}
+
+	@Override
+	public int size() {
+		return inventory.size();
+	}
+}

src/main/java/de/jottyfan/quickiemod/blockentity/DrillBlockEntity.java

@@ -8,6 +8,7 @@ import net.minecraft.block.BlockState;
 import net.minecraft.block.Blocks;
 import net.minecraft.block.entity.BlockEntity;
 import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
 import net.minecraft.world.World;
 
 /**
@@ -29,17 +30,17 @@ public class DrillBlockEntity extends BlockEntity {
 
 	public static void tick(World world, BlockPos pos, BlockState state, BlockEntity be) {
 		if (be instanceof DrillBlockEntity dbe) {
-			Integer dir = state.get(BlockDrill.DIRECTION);
+			Direction dir = state.get(BlockDrill.DIRECTION);
 			List<BlockPos> list = new ArrayList<>();
-			if (EnumDrillDirection.DOWN.get().equals(dir)) {
+			if (Direction.DOWN.equals(dir)) {
 				list = downFrom(pos);
-		  } else if (EnumDrillDirection.EAST.get().equals(dir)) {
+		  } else if (Direction.EAST.equals(dir)) {
 				list = directedFrom(pos.east());
-			}	else if (EnumDrillDirection.SOUTH.get().equals(dir)) {
+			}	else if (Direction.SOUTH.equals(dir)) {
 				list = directedFrom(pos.south());
-			}	else if (EnumDrillDirection.WEST.get().equals(dir)) {
+			}	else if (Direction.WEST.equals(dir)) {
 				list = directedFrom(pos.west());
-			}	else if (EnumDrillDirection.NORTH.get().equals(dir)) {
+			}	else if (Direction.NORTH.equals(dir)) {
 				list = directedFrom(pos.north());
 			}
 			DrillBlockEntity.tick(world, pos, state, dbe, MAXDRILLSTEP, list);

src/main/java/de/jottyfan/quickiemod/blockentity/EnumDrillDirection.java

@@ -1,36 +0,0 @@
-package de.jottyfan.quickiemod.blockentity;
-
-/**
- *
- * @author jotty
- *
- */
-public enum EnumDrillDirection {
-	DOWN(0), EAST(1), SOUTH(2), WEST(3), NORTH(4);
-
-	private final Integer value;
-
-	private EnumDrillDirection(Integer value) {
-		this.value = value;
-	}
-
-	@Override
-	public String toString() {
-		return String.format("%s: %d", EnumDrillDirection.lookupValue(value), value);
-	}
-
-	public static final String lookupValue(Integer value) {
-		return switch (value) {
-		case 0 -> "down";
-		case 1 -> "east";
-		case 2 -> "south";
-		case 3 -> "west";
-		case 4 -> "north";
-		default -> "not supported";
-		};
-	}
-
-	public Integer get() {
-		return value;
-	}
-}

src/main/java/de/jottyfan/quickiemod/blockentity/ModBlockentity.java

@@ -20,6 +20,11 @@ public class ModBlockentity {
 			Registries.BLOCK_ENTITY_TYPE, ModIdentifiers.BLOCKENTITY_DRILL,
 			FabricBlockEntityTypeBuilder.create(DrillBlockEntity::new, ModBlocks.BLOCK_DRILL_DOWN, ModBlocks.BLOCK_DRILL_EAST,
 					ModBlocks.BLOCK_DRILL_SOUTH, ModBlocks.BLOCK_DRILL_WEST, ModBlocks.BLOCK_DRILL_NORTH).build());
+	public static final BlockEntityType<BlockStackerEntity> BLOCKSTACKER_BLOCKENTITY = Registry.register(
+			Registries.BLOCK_ENTITY_TYPE, ModIdentifiers.BLOCKENTITY_BLOCKSTACKER,
+			FabricBlockEntityTypeBuilder.create(BlockStackerEntity::new, ModBlocks.BLOCK_STACKER_DOWN,
+					ModBlocks.BLOCK_STACKER_EAST, ModBlocks.BLOCK_STACKER_SOUTH, ModBlocks.BLOCK_STACKER_WEST,
+					ModBlocks.BLOCK_STACKER_NORTH, ModBlocks.BLOCK_STACKER_UP).build());
 
 	public static final void registerModBlockentities() {
 	};

src/main/java/de/jottyfan/quickiemod/container/BlockStackerInventory.java

@@ -0,0 +1,30 @@
+package de.jottyfan.quickiemod.container;
+
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.inventory.SimpleInventory;
+import net.minecraft.sound.SoundEvents;
+
+/**
+ *
+ * @author jotty
+ *
+ */
+public class BlockStackerInventory extends SimpleInventory {
+
+	public BlockStackerInventory(Integer slotsize) {
+		super(slotsize);
+	}
+
+	@Override
+	public void onOpen(PlayerEntity player) {
+		super.onOpen(player);
+		player.playSound(SoundEvents.BLOCK_CHEST_OPEN, 1f, 1f);
+	}
+
+	@Override
+	public void onClose(PlayerEntity player) {
+		super.onClose(player);
+		player.playSound(SoundEvents.BLOCK_CHEST_CLOSE, 1f, 1f);
+	}
+
+}

src/main/java/de/jottyfan/quickiemod/container/BlockStackerScreen.java

@@ -0,0 +1,44 @@
+package de.jottyfan.quickiemod.container;
+
+import de.jottyfan.quickiemod.Quickiemod;
+import net.fabricmc.api.EnvType;
+import net.fabricmc.api.Environment;
+import net.minecraft.client.gui.DrawContext;
+import net.minecraft.client.gui.screen.ingame.HandledScreen;
+import net.minecraft.client.gui.screen.ingame.ScreenHandlerProvider;
+import net.minecraft.entity.player.PlayerInventory;
+import net.minecraft.text.Text;
+import net.minecraft.util.Identifier;
+
+/**
+ *
+ * @author jotty
+ *
+ */
+@Environment(EnvType.CLIENT)
+public class BlockStackerScreen extends HandledScreen<BlockStackerScreenHandler>
+		implements ScreenHandlerProvider<BlockStackerScreenHandler> {
+	private final static Identifier TEXTURE = Identifier.of(Quickiemod.MOD_ID, "textures/gui/blockstacker.png");
+	private final Integer containerHeight = 222;
+	private final Integer containerWidth = 176;
+
+	public BlockStackerScreen(BlockStackerScreenHandler handler, PlayerInventory inventory, Text title) {
+		super(handler, inventory, title);
+	}
+
+	@Override
+	public void render(DrawContext drawContext, int mouseX, int mouseY, float partialTicks) {
+		this.renderInGameBackground(drawContext);
+		super.render(drawContext, mouseX, mouseY, partialTicks);
+		this.drawMouseoverTooltip(drawContext, mouseX, mouseY);
+	}
+
+	@Override
+	protected void drawBackground(DrawContext context, float delta, int mouseX, int mouseY) {
+//    context.setShaderColor(1.0F, 1.0F, 1.0F, 1.0F);
+		int guiX = (this.width - this.containerWidth) / 2;
+		int guiY = (this.height - this.containerHeight) / 2;
+    super.renderInGameBackground(context);
+//		context.drawTexture(TEXTURE, guiX, guiY, 0f, 0f, containerWidth, containerHeight, 0, 0);
+	}
+}

src/main/java/de/jottyfan/quickiemod/container/BlockStackerScreenHandler.java

@@ -0,0 +1,97 @@
+package de.jottyfan.quickiemod.container;
+
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.entity.player.PlayerInventory;
+import net.minecraft.inventory.Inventory;
+import net.minecraft.item.ItemStack;
+import net.minecraft.screen.NamedScreenHandlerFactory;
+import net.minecraft.screen.ScreenHandler;
+import net.minecraft.screen.slot.Slot;
+
+/**
+ *
+ * @author jotty
+ *
+ */
+public class BlockStackerScreenHandler extends ScreenHandler {
+
+	public static final Integer SLOTSIZE = 18;
+
+	private final Inventory inventory;
+
+	/**
+	 * client constructor
+	 *
+	 * @param syncId
+	 * @param playerInventory
+	 */
+	public BlockStackerScreenHandler(int syncId, PlayerInventory playerInventory) {
+		this(syncId, playerInventory, new BlockStackerInventory(SLOTSIZE));
+	}
+
+	/**
+	 * server constructor
+	 *
+	 * @param syncId
+	 * @param playerInventory
+	 * @param inventory
+	 */
+	public BlockStackerScreenHandler(int syncId, PlayerInventory playerInventory, Inventory inventory) {
+		super(ScreenHandlerTypes.BLOCKSTACKER_SCREEN_HANDLER, syncId);
+		checkSize(inventory, SLOTSIZE);
+		this.inventory = inventory;
+		inventory.onOpen(playerInventory.player);
+    int m;
+    int l;
+    // whitelist
+    for (m = 0; m < 3; ++m) {
+        for (l = 0; l < 3; ++l) {
+            this.addSlot(new Slot(inventory, l + m * 3, 8 + l * 18, 17 + m * 18));
+        }
+    }
+
+    // blacklist
+    for (m = 0; m < 3; ++m) {
+      for (l = 0; l < 3; ++l) {
+          this.addSlot(new Slot(inventory, l + m * 3 + 9, 116 + l * 18, 17 + m * 18));
+      }
+    }
+
+    for (m = 0; m < 3; ++m) {
+        for (l = 0; l < 9; ++l) {
+            this.addSlot(new Slot(playerInventory, l + m * 9 + 9, 8 + l * 18, 84 + m * 18));
+        }
+    }
+    for (m = 0; m < 9; ++m) {
+        this.addSlot(new Slot(playerInventory, m, 8 + m * 18, 142));
+    }
+	}
+
+	@Override
+	public boolean canUse(PlayerEntity player) {
+		return this.inventory.canPlayerUse(player);
+	}
+
+  @Override
+	public ItemStack quickMove(PlayerEntity player, int invSlot) {
+		ItemStack newStack = ItemStack.EMPTY;
+		Slot slot = this.slots.get(invSlot);
+		if (slot != null && slot.hasStack()) {
+			ItemStack originalStack = slot.getStack();
+			newStack = originalStack.copy();
+			if (invSlot < this.inventory.size()) {
+				if (!this.insertItem(originalStack, this.inventory.size(), this.slots.size(), true)) {
+					return ItemStack.EMPTY;
+				}
+			} else if (!this.insertItem(originalStack, 0, this.inventory.size(), false)) {
+				return ItemStack.EMPTY;
+			}
+			if (originalStack.isEmpty()) {
+				slot.setStack(ItemStack.EMPTY);
+			} else {
+				slot.markDirty();
+			}
+		}
+		return newStack;
+	}
+}

src/main/java/de/jottyfan/quickiemod/container/ImplementedInventory.java

@@ -0,0 +1,133 @@
+package de.jottyfan.quickiemod.container;
+
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.inventory.Inventories;
+import net.minecraft.inventory.Inventory;
+import net.minecraft.item.ItemStack;
+import net.minecraft.util.collection.DefaultedList;
+
+/**
+ *
+ * @author jotty
+ *
+ * @see https://fabricmc.net/wiki/tutorial:inventory
+ *
+ */
+public interface ImplementedInventory extends Inventory {
+
+  /**
+   * Retrieves the item list of this inventory.
+   * Must return the same instance every time it's called.
+   */
+  DefaultedList<ItemStack> getItems();
+
+  /**
+   * Creates an inventory from the item list.
+   */
+  static ImplementedInventory of(DefaultedList<ItemStack> items) {
+      return () -> items;
+  }
+
+  /**
+   * Creates a new inventory with the specified size.
+   */
+  static ImplementedInventory ofSize(int size) {
+      return of(DefaultedList.ofSize(size, ItemStack.EMPTY));
+  }
+
+  /**
+   * Returns the inventory size.
+   */
+  @Override
+  default int size() {
+      return getItems().size();
+  }
+
+  /**
+   * Checks if the inventory is empty.
+   * @return true if this inventory has only empty stacks, false otherwise.
+   */
+  @Override
+  default boolean isEmpty() {
+      for (int i = 0; i < size(); i++) {
+          ItemStack stack = getStack(i);
+          if (!stack.isEmpty()) {
+              return false;
+          }
+      }
+      return true;
+  }
+
+  /**
+   * Retrieves the item in the slot.
+   */
+  @Override
+  default ItemStack getStack(int slot) {
+      return getItems().get(slot);
+  }
+
+  /**
+   * Removes items from an inventory slot.
+   * @param slot  The slot to remove from.
+   * @param count How many items to remove. If there are less items in the slot than what are requested,
+   *              takes all items in that slot.
+   */
+  @Override
+  default ItemStack removeStack(int slot, int count) {
+      ItemStack result = Inventories.splitStack(getItems(), slot, count);
+      if (!result.isEmpty()) {
+          markDirty();
+      }
+      return result;
+  }
+
+  /**
+   * Removes all items from an inventory slot.
+   * @param slot The slot to remove from.
+   */
+  @Override
+  default ItemStack removeStack(int slot) {
+      return Inventories.removeStack(getItems(), slot);
+  }
+
+  /**
+   * Replaces the current stack in an inventory slot with the provided stack.
+   * @param slot  The inventory slot of which to replace the itemstack.
+   * @param stack The replacing itemstack. If the stack is too big for
+   *              this inventory ({@link Inventory#getMaxCountPerStack()}),
+   *              it gets resized to this inventory's maximum amount.
+   */
+  @Override
+  default void setStack(int slot, ItemStack stack) {
+      getItems().set(slot, stack);
+      if (stack.getCount() > stack.getMaxCount()) {
+          stack.setCount(stack.getMaxCount());
+      }
+  }
+
+  /**
+   * Clears the inventory.
+   */
+  @Override
+  default void clear() {
+      getItems().clear();
+  }
+
+  /**
+   * Marks the state as dirty.
+   * Must be called after changes in the inventory, so that the game can properly save
+   * the inventory contents and notify neighboring blocks of inventory changes.
+   */
+  @Override
+  default void markDirty() {
+      // Override if you want behavior.
+  }
+
+  /**
+   * @return true if the player can use the inventory, false otherwise.
+   */
+  @Override
+  default boolean canPlayerUse(PlayerEntity player) {
+      return true;
+  }
+}

src/main/java/de/jottyfan/quickiemod/container/ScreenHandlerTypes.java

@@ -0,0 +1,14 @@
+package de.jottyfan.quickiemod.container;
+
+import net.minecraft.resource.featuretoggle.FeatureFlags;
+import net.minecraft.screen.ScreenHandlerType;
+
+/**
+ *
+ * @author jotty
+ *
+ */
+public class ScreenHandlerTypes {
+	public static final ScreenHandlerType<BlockStackerScreenHandler> BLOCKSTACKER_SCREEN_HANDLER = new ScreenHandlerType<>(BlockStackerScreenHandler::new,
+			FeatureFlags.VANILLA_FEATURES);
+}

src/main/java/de/jottyfan/quickiemod/identifier/ModIdentifiers.java

@@ -63,8 +63,15 @@ public class ModIdentifiers {
 	public static final Identifier BLOCK_DRILLSOUTH = Identifier.of(Quickiemod.MOD_ID, "drillsouth");
 	public static final Identifier BLOCK_DRILLWEST = Identifier.of(Quickiemod.MOD_ID, "drillwest");
 	public static final Identifier BLOCK_DRILLNORTH = Identifier.of(Quickiemod.MOD_ID, "drillnorth");
+	public static final Identifier BLOCK_STACKERDOWN = Identifier.of(Quickiemod.MOD_ID, "blockstackerdown");
+	public static final Identifier BLOCK_STACKEREAST = Identifier.of(Quickiemod.MOD_ID, "blockstackereast");
+	public static final Identifier BLOCK_STACKERSOUTH = Identifier.of(Quickiemod.MOD_ID, "blockstackersouth");
+	public static final Identifier BLOCK_STACKERWEST = Identifier.of(Quickiemod.MOD_ID, "blockstackerwest");
+	public static final Identifier BLOCK_STACKERNORTH = Identifier.of(Quickiemod.MOD_ID, "blockstackernorth");
+	public static final Identifier BLOCK_STACKERUP = Identifier.of(Quickiemod.MOD_ID, "blockstackerup");
 
 	public static final Identifier BLOCKENTITY_ITEMHOARDER = Identifier.of(Quickiemod.MOD_ID, "itemhoarderblockentity");
 	public static final Identifier BLOCKENTITY_BLOCKSTACKER = Identifier.of(Quickiemod.MOD_ID, "blockstackerblockentity");
 	public static final Identifier BLOCKENTITY_DRILL = Identifier.of(Quickiemod.MOD_ID, "drillblockentity");
+	public static final Identifier BLOCKSTACKERUP = Identifier.of(Quickiemod.MOD_ID, "blockstackerblockentity");
 }

src/main/resources/assets/quickiemod/blockstates/blockstackerdown.json

@@ -0,0 +1,7 @@
+{
+	"variants": {
+		"": {
+			"model": "quickiemod:block/blockstackerdown"
+		}
+	}
+}

src/main/resources/assets/quickiemod/blockstates/blockstackereast.json

@@ -0,0 +1,7 @@
+{
+	"variants": {
+		"": {
+			"model": "quickiemod:block/blockstackereast"
+		}
+	}
+}

src/main/resources/assets/quickiemod/blockstates/blockstackernorth.json

@@ -0,0 +1,7 @@
+{
+	"variants": {
+		"": {
+			"model": "quickiemod:block/blockstackernorth"
+		}
+	}
+}

src/main/resources/assets/quickiemod/blockstates/blockstackersouth.json

@@ -0,0 +1,7 @@
+{
+	"variants": {
+		"": {
+			"model": "quickiemod:block/blockstackersouth"
+		}
+	}
+}

src/main/resources/assets/quickiemod/blockstates/blockstackerup.json

@@ -0,0 +1,7 @@
+{
+	"variants": {
+		"": {
+			"model": "quickiemod:block/blockstackerup"
+		}
+	}
+}

src/main/resources/assets/quickiemod/blockstates/blockstackerwest.json

@@ -0,0 +1,7 @@
+{
+	"variants": {
+		"": {
+			"model": "quickiemod:block/blockstackerwest"
+		}
+	}
+}

src/main/resources/assets/quickiemod/models/block/blockstackerdown.json

@@ -0,0 +1,8 @@
+{
+	"parent": "minecraft:block/cube_bottom_top",
+	"textures": {
+		"bottom": "quickiemod:block/blockstackerout",
+		"side": "quickiemod:block/blockstackerdown",
+		"top": "quickiemod:block/blockstackerin"
+	}
+}

src/main/resources/assets/quickiemod/models/block/blockstackereast.json

@@ -0,0 +1,11 @@
+{
+	"parent": "block/cube_directional",
+	"textures": {
+	  "up": "quickiemod:block/blockstackerright",
+	  "down": "quickiemod:block/blockstackerleft",
+		"north": "quickiemod:block/blockstackerleft",
+		"east": "quickiemod:block/blockstackerout",
+		"south": "quickiemod:block/blockstackerright",
+		"west": "quickiemod:block/blockstackerin"
+	}
+}

src/main/resources/assets/quickiemod/models/block/blockstackernorth.json

@@ -0,0 +1,11 @@
+{
+	"parent": "block/cube_directional",
+	"textures": {
+	  "up": "quickiemod:block/blockstackerup",
+	  "down": "quickiemod:block/blockstackerup",
+		"north": "quickiemod:block/blockstackerout",
+		"east": "quickiemod:block/blockstackerup",
+		"south": "quickiemod:block/blockstackerin",
+		"west": "quickiemod:block/blockstackerup"
+	}
+}

src/main/resources/assets/quickiemod/models/block/blockstackersouth.json

@@ -0,0 +1,11 @@
+{
+	"parent": "block/cube_directional",
+	"textures": {
+	  "up": "quickiemod:block/blockstackerdown",
+	  "down": "quickiemod:block/blockstackerdown",
+		"north": "quickiemod:block/blockstackerin",
+		"east": "quickiemod:block/blockstackerdown",
+		"south": "quickiemod:block/blockstackerout",
+		"west": "quickiemod:block/blockstackerdown"
+	}
+}

src/main/resources/assets/quickiemod/models/block/blockstackerup.json

@@ -0,0 +1,8 @@
+{
+	"parent": "block/cube_bottom_top",
+	"textures": {
+		"bottom": "quickiemod:block/blockstackerin",
+		"side": "quickiemod:block/blockstackerup",
+		"top": "quickiemod:block/blockstackerout"
+	}
+}

src/main/resources/assets/quickiemod/models/block/blockstackerwest.json

@@ -0,0 +1,11 @@
+{
+	"parent": "block/cube_directional",
+	"textures": {
+	  "up": "quickiemod:block/blockstackerleft",
+	  "down": "quickiemod:block/blockstackerright",
+		"north": "quickiemod:block/blockstackerright",
+		"east": "quickiemod:block/blockstackerin",
+		"south": "quickiemod:block/blockstackerleft",
+		"west": "quickiemod:block/blockstackerout"
+	}
+}

src/main/resources/assets/quickiemod/models/item/blockstackerdown.json

@@ -0,0 +1,10 @@
+{
+		"parent": "quickiemod:block/blockstackerdown",
+		"display": {
+				"thirdperson": {
+						"rotation": [ 10, -45, 170 ],
+						"translation": [ 0, 1.5, -2.75 ],
+						"scale": [ 0.375, 0.375, 0.375 ]
+				}
+		}
+}

src/main/resources/assets/quickiemod/models/item/blockstackereast.json

@@ -0,0 +1,10 @@
+{
+		"parent": "quickiemod:block/blockstackerwest",
+		"display": {
+				"thirdperson": {
+						"rotation": [ 10, -45, 170 ],
+						"translation": [ 0, 1.5, -2.75 ],
+						"scale": [ 0.375, 0.375, 0.375 ]
+				}
+		}
+}

src/main/resources/assets/quickiemod/models/item/blockstackernorth.json

@@ -0,0 +1,10 @@
+{
+		"parent": "quickiemod:block/blockstackernorth",
+		"display": {
+				"thirdperson": {
+						"rotation": [ 10, -45, 170 ],
+						"translation": [ 0, 1.5, -2.75 ],
+						"scale": [ 0.375, 0.375, 0.375 ]
+				}
+		}
+}

src/main/resources/assets/quickiemod/models/item/blockstackersouth.json

@@ -0,0 +1,10 @@
+{
+		"parent": "quickiemod:block/blockstackersouth",
+		"display": {
+				"thirdperson": {
+						"rotation": [ 10, -45, 170 ],
+						"translation": [ 0, 1.5, -2.75 ],
+						"scale": [ 0.375, 0.375, 0.375 ]
+				}
+		}
+}

src/main/resources/assets/quickiemod/models/item/blockstackerup.json

@@ -0,0 +1,10 @@
+{
+		"parent": "quickiemod:block/blockstackerup",
+		"display": {
+				"thirdperson": {
+						"rotation": [ 10, -45, 170 ],
+						"translation": [ 0, 1.5, -2.75 ],
+						"scale": [ 0.375, 0.375, 0.375 ]
+				}
+		}
+}

src/main/resources/assets/quickiemod/models/item/blockstackerwest.json

@@ -0,0 +1,10 @@
+{
+		"parent": "quickiemod:block/blockstackereast",
+		"display": {
+				"thirdperson": {
+						"rotation": [ 10, -45, 170 ],
+						"translation": [ 0, 1.5, -2.75 ],
+						"scale": [ 0.375, 0.375, 0.375 ]
+				}
+		}
+}

src/main/resources/data/quickiemod/recipe/shaped_blockstacker.json

@@ -0,0 +1,19 @@
+{
+	"type": "minecraft:crafting_shaped",
+	"pattern": [
+		"s s",
+		"scs",
+		" s "
+	],
+	"key": {
+		"s": "quickiemod:speedingot",
+		"c": [
+		  "minecraft:chest",
+		  "minecraft:barrel"
+		]
+	},
+	"result": {
+		"id": "quickiemod:blockstackerdown",
+		"count": 4
+	}
+}

src/main/resources/data/quickiemod/recipe/shapeless_blockstackerdown_up.json

@@ -0,0 +1,10 @@
+{
+	"type": "minecraft:crafting_shapeless",
+	"ingredients": [
+		"quickiemod:blockstackerup"
+	],
+	"result": {
+		"id": "quickiemod:blockstackerdown",
+		"count": 1
+	}
+}

src/main/resources/data/quickiemod/recipe/shapeless_blockstackereast_down.json

@@ -0,0 +1,10 @@
+{
+	"type": "minecraft:crafting_shapeless",
+	"ingredients": [
+		"quickiemod:blockstackerdown"
+	],
+	"result": {
+		"id": "quickiemod:blockstackereast",
+		"count": 1
+	}
+}

src/main/resources/data/quickiemod/recipe/shapeless_blockstackernorth_west.json

@@ -0,0 +1,10 @@
+{
+	"type": "minecraft:crafting_shapeless",
+	"ingredients": [
+		"quickiemod:blockstackerwest"
+	],
+	"result": {
+		"id": "quickiemod:blockstackernorth",
+		"count": 1
+	}
+}

src/main/resources/data/quickiemod/recipe/shapeless_blockstackersouth_east.json

@@ -0,0 +1,10 @@
+{
+	"type": "minecraft:crafting_shapeless",
+	"ingredients": [
+		"quickiemod:blockstackereast"
+	],
+	"result": {
+		"id": "quickiemod:blockstackersouth",
+		"count": 1
+	}
+}

src/main/resources/data/quickiemod/recipe/shapeless_blockstackerup_north.json

@@ -0,0 +1,10 @@
+{
+	"type": "minecraft:crafting_shapeless",
+	"ingredients": [
+		"quickiemod:blockstackernorth"
+	],
+	"result": {
+		"id": "quickiemod:blockstackerup",
+		"count": 1
+	}
+}

src/main/resources/data/quickiemod/recipe/shapeless_blockstackerwest_south.json

@@ -0,0 +1,10 @@
+{
+	"type": "minecraft:crafting_shapeless",
+	"ingredients": [
+		"quickiemod:blockstackersouth"
+	],
+	"result": {
+		"id": "quickiemod:blockstackerwest",
+		"count": 1
+	}
+}