super beacon

gradle.properties

@@ -6,7 +6,7 @@ minecraft_version=1.20.1
 yarn_mappings=1.20.1+build.10
 loader_version=0.18.3
 # Mod Properties
-mod_version=26.4.14.1
+mod_version=26.4.15
 maven_group=dev.tggamesyt
 archives_base_name=szar
 # Dependencies

src/client/java/dev/tggamesyt/szar/client/SuperBeaconBlockEntityRenderer.java

@@ -0,0 +1,65 @@
+package dev.tggamesyt.szar.client;
+
+import dev.tggamesyt.szar.Szar;
+import dev.tggamesyt.szar.SuperBeaconBlockEntity;
+import net.minecraft.client.render.VertexConsumerProvider;
+import net.minecraft.client.render.block.entity.BeaconBlockEntityRenderer;
+import net.minecraft.client.render.block.entity.BlockEntityRenderer;
+import net.minecraft.client.render.block.entity.BlockEntityRendererFactory;
+import net.minecraft.client.util.math.MatrixStack;
+import net.minecraft.util.Identifier;
+
+public class SuperBeaconBlockEntityRenderer implements BlockEntityRenderer<SuperBeaconBlockEntity> {
+
+    // Path: assets/szar/textures/entity/beacon_beam.png
+    public static final Identifier BEAM_TEXTURE = new Identifier(Szar.MOD_ID, "textures/entity/beacon_beam.png");
+
+    private static boolean loggedOnce = false;
+
+    public SuperBeaconBlockEntityRenderer(BlockEntityRendererFactory.Context ctx) {
+        Szar.LOGGER.info("[Szar] SuperBeaconBlockEntityRenderer constructed");
+    }
+
+    @Override
+    public void render(SuperBeaconBlockEntity be, float tickDelta, MatrixStack matrices,
+                       VertexConsumerProvider vertexConsumers, int light, int overlay) {
+
+        if (!loggedOnce) {
+            Szar.LOGGER.info("[Szar] render() called once. level={}", be.getBeaconLevel());
+            loggedOnce = true;
+        }
+
+        if (be.getBeaconLevel() <= 0) return;
+        if (be.getWorld() == null) return;
+
+        long worldTime = be.getWorld().getTime();
+
+        // Vanilla beacon beam, 1.20.1 signature:
+        // public static void renderBeam(MatrixStack, VertexConsumerProvider, Identifier,
+        //   float tickDelta, float heightScale, long worldTime, int yOffset, int maxY,
+        //   float[] color, float innerRadius, float outerRadius)
+        BeaconBlockEntityRenderer.renderBeam(
+                matrices,
+                vertexConsumers,
+                BEAM_TEXTURE,
+                tickDelta,
+                1.0f,
+                worldTime,
+                0,
+                1024,
+                new float[]{1.0f, 1.0f, 1.0f},
+                0.2f,
+                0.25f
+        );
+    }
+
+    @Override
+    public boolean rendersOutsideBoundingBox(SuperBeaconBlockEntity blockEntity) {
+        return true;
+    }
+
+    @Override
+    public int getRenderDistance() {
+        return 256;
+    }
+}

src/client/java/dev/tggamesyt/szar/client/SuperBeaconScreen.java

@@ -0,0 +1,113 @@
+package dev.tggamesyt.szar.client;
+
+import com.mojang.blaze3d.systems.RenderSystem;
+import dev.tggamesyt.szar.Szar;
+import dev.tggamesyt.szar.SuperBeaconBlockEntity;
+import dev.tggamesyt.szar.SuperBeaconScreenHandler;
+import net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking;
+import net.fabricmc.fabric.api.networking.v1.PacketByteBufs;
+import net.minecraft.client.gui.DrawContext;
+import net.minecraft.client.gui.screen.ingame.HandledScreen;
+import net.minecraft.client.gui.widget.ButtonWidget;
+import net.minecraft.entity.player.PlayerInventory;
+import net.minecraft.network.PacketByteBuf;
+import net.minecraft.text.Text;
+import net.minecraft.util.Identifier;
+
+public class SuperBeaconScreen extends HandledScreen<SuperBeaconScreenHandler> {
+
+    private static final Identifier TEXTURE = new Identifier(Szar.MOD_ID, "textures/gui/super_beacon.png");
+
+    private static final int GUI_WIDTH = 176;
+    private static final int GUI_HEIGHT = 222;
+
+    private final ButtonWidget[] activateButtons = new ButtonWidget[4];
+
+    public SuperBeaconScreen(SuperBeaconScreenHandler handler, PlayerInventory inventory, Text title) {
+        super(handler, inventory, title);
+        this.backgroundWidth = GUI_WIDTH;
+        this.backgroundHeight = GUI_HEIGHT;
+    }
+
+    @Override
+    protected void init() {
+        super.init();
+        this.titleX = (this.backgroundWidth - this.textRenderer.getWidth(this.title)) / 2;
+        this.titleY = 5;
+        this.playerInventoryTitleY = this.backgroundHeight - 94;
+
+        for (int row = 0; row < 4; row++) {
+            final int r = row;
+            int buttonX = this.x + 108;
+            int buttonY = this.y + 14 + row * 28;
+
+            activateButtons[row] = ButtonWidget.builder(
+                    getButtonText(row),
+                    button -> onActivateClicked(r)
+            ).dimensions(buttonX, buttonY, 56, 20).build();
+
+            addDrawableChild(activateButtons[row]);
+        }
+    }
+
+    private Text getButtonText(int row) {
+        int level = handler.getBeaconLevel();
+        if (level < row + 1) return Text.literal("Locked");
+        return handler.isRowActive(row) ? Text.literal("Deactivate") : Text.literal("Activate");
+    }
+
+    private void onActivateClicked(int row) {
+        Szar.LOGGER.info("[Szar][CLIENT] activate button clicked: row={}, pos={}", row, handler.getPos());
+        PacketByteBuf buf = PacketByteBufs.create();
+        buf.writeBlockPos(handler.getPos());
+        buf.writeInt(row);
+        ClientPlayNetworking.send(Szar.ACTIVATE_ROW_PACKET, buf);
+        Szar.LOGGER.info("[Szar][CLIENT] packet sent");
+    }
+
+    @Override
+    public void render(DrawContext context, int mouseX, int mouseY, float delta) {
+        renderBackground(context);
+        super.render(context, mouseX, mouseY, delta);
+        drawMouseoverTooltip(context, mouseX, mouseY);
+
+        // Live updates
+        for (int row = 0; row < 4; row++) {
+            int level = handler.getBeaconLevel();
+            // Always clickable so we can debug — actual lock check is server-side
+            activateButtons[row].active = (level >= row + 1);
+            activateButtons[row].setMessage(getButtonText(row));
+        }
+
+        // Indicators + timer
+        for (int row = 0; row < 4; row++) {
+            int indicatorX = this.x + 26;
+            int indicatorY = this.y + 20 + row * 28;
+
+            int level = handler.getBeaconLevel();
+            int color;
+            if (level < row + 1) color = 0xFF555555;
+            else if (handler.isRowActive(row)) color = 0xFF00FF00;
+            else color = 0xFFFF0000;
+
+            context.fill(indicatorX, indicatorY, indicatorX + 12, indicatorY + 12, color);
+
+            if (handler.isRowActive(row)) {
+                int timer = handler.getFuelTimer(row);
+                int remainingTicks = SuperBeaconBlockEntity.FUEL_INTERVAL - timer;
+                int remainingSec = Math.max(0, remainingTicks / 20);
+                int min = remainingSec / 60;
+                int sec = remainingSec % 60;
+                String timeStr = String.format("%d:%02d", min, sec);
+                context.drawText(this.textRenderer, timeStr,
+                        indicatorX - 2, indicatorY + 14, 0xFFFFFF, true);
+            }
+        }
+    }
+
+    @Override
+    protected void drawBackground(DrawContext context, float delta, int mouseX, int mouseY) {
+        RenderSystem.setShaderColor(1.0f, 1.0f, 1.0f, 1.0f);
+        context.drawTexture(TEXTURE, this.x, this.y, 0, 0, backgroundWidth, backgroundHeight, GUI_WIDTH, GUI_HEIGHT);
+    }
+}

src/client/java/dev/tggamesyt/szar/client/SzarClient.java

@@ -12,6 +12,7 @@ import net.fabricmc.fabric.api.client.keybinding.v1.KeyBindingHelper;
 import net.fabricmc.fabric.api.client.model.ModelLoadingRegistry;
 import net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents;
 import net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking;
+import net.fabricmc.fabric.api.client.rendering.v1.BlockEntityRendererRegistry;
 import net.fabricmc.fabric.api.client.rendering.v1.EntityModelLayerRegistry;
 import net.fabricmc.fabric.api.client.rendering.v1.EntityRendererRegistry;
 import net.fabricmc.fabric.api.client.rendering.v1.HudRenderCallback;
@@ -616,6 +617,10 @@ public class SzarClient implements ClientModInitializer {
                 Szar.CANNABIS_BLOCK,
                 RenderLayer.getCutout()
         );
+        BlockRenderLayerMap.INSTANCE.putBlock(
+                SUPER_BEACON_BLOCK,
+                RenderLayer.getCutout()
+        );
         BlockRenderLayerMap.INSTANCE.putBlock(
                 CONNECT_FOUR_BLOCK,
                 RenderLayer.getCutout()
@@ -738,6 +743,8 @@ public class SzarClient implements ClientModInitializer {
                     (dispatcher, registryAccess) -> PanoramaClientCommand.register(dispatcher)
             );
         }
+        HandledScreens.register(Szar.SUPER_BEACON_SCREEN_HANDLER, SuperBeaconScreen::new);
+        BlockEntityRendererFactories.register(Szar.SUPER_BEACON_BLOCK_ENTITY, SuperBeaconBlockEntityRenderer::new);
     }
     private boolean isDebugEnabled() {
 

src/main/java/dev/tggamesyt/szar/SuperBeaconBlock.java

@@ -0,0 +1,50 @@
+package dev.tggamesyt.szar;
+
+import net.minecraft.block.*;
+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.screen.NamedScreenHandlerFactory;
+import net.minecraft.util.ActionResult;
+import net.minecraft.util.Hand;
+import net.minecraft.util.ItemScatterer;
+import net.minecraft.util.hit.BlockHitResult;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.World;
+import org.jetbrains.annotations.Nullable;
+
+public class SuperBeaconBlock extends BlockWithEntity implements BlockEntityProvider {
+
+    public SuperBeaconBlock(Settings settings) { super(settings); }
+
+    @Override public BlockRenderType getRenderType(BlockState state) { return BlockRenderType.MODEL; }
+
+    @Nullable @Override
+    public BlockEntity createBlockEntity(BlockPos pos, BlockState state) {
+        return new SuperBeaconBlockEntity(pos, state);
+    }
+
+    @Override
+    public ActionResult onUse(BlockState state, World world, BlockPos pos, PlayerEntity player, Hand hand, BlockHitResult hit) {
+        if (!world.isClient()) {
+            NamedScreenHandlerFactory factory = state.createScreenHandlerFactory(world, pos);
+            if (factory != null) player.openHandledScreen(factory);
+        }
+        return ActionResult.SUCCESS;
+    }
+
+    @Override
+    public void onStateReplaced(BlockState state, World world, BlockPos pos, BlockState newState, boolean moved) {
+        if (!state.isOf(newState.getBlock())) {
+            BlockEntity be = world.getBlockEntity(pos);
+            if (be instanceof SuperBeaconBlockEntity sbe) ItemScatterer.spawn(world, pos, sbe);
+            super.onStateReplaced(state, world, pos, newState, moved);
+        }
+    }
+
+    @Nullable @Override
+    public <T extends BlockEntity> BlockEntityTicker<T> getTicker(World world, BlockState state, BlockEntityType<T> type) {
+        return checkType(type, Szar.SUPER_BEACON_BLOCK_ENTITY, SuperBeaconBlockEntity::tick);
+    }
+}

src/main/java/dev/tggamesyt/szar/SuperBeaconBlockEntity.java

@@ -0,0 +1,383 @@
+package dev.tggamesyt.szar;
+
+import net.fabricmc.fabric.api.screenhandler.v1.ExtendedScreenHandlerFactory;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.entity.BlockEntity;
+import net.minecraft.entity.effect.StatusEffect;
+import net.minecraft.entity.effect.StatusEffectInstance;
+import net.minecraft.entity.effect.StatusEffects;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.entity.player.PlayerInventory;
+import net.minecraft.inventory.Inventories;
+import net.minecraft.inventory.Inventory;
+import net.minecraft.item.ItemStack;
+import net.minecraft.item.Items;
+import net.minecraft.nbt.NbtCompound;
+import net.minecraft.network.PacketByteBuf;
+import net.minecraft.potion.PotionUtil;
+import net.minecraft.registry.tag.BlockTags;
+import net.minecraft.screen.PropertyDelegate;
+import net.minecraft.screen.ScreenHandler;
+import net.minecraft.server.network.ServerPlayerEntity;
+import net.minecraft.text.Text;
+import net.minecraft.util.collection.DefaultedList;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Box;
+import net.minecraft.util.math.Vec3d;
+import net.minecraft.world.World;
+
+import java.util.*;
+
+public class SuperBeaconBlockEntity extends BlockEntity implements Inventory, ExtendedScreenHandlerFactory {
+
+    public static final int FUEL_INTERVAL = 27000;
+
+    private static final Set<StatusEffect> PERSISTENT_EFFECTS = new HashSet<>();
+    static {
+        PERSISTENT_EFFECTS.add(StatusEffects.NAUSEA);
+        PERSISTENT_EFFECTS.add(StatusEffects.HEALTH_BOOST);
+    }
+
+    private final DefaultedList<ItemStack> inventory = DefaultedList.ofSize(8, ItemStack.EMPTY);
+    private final boolean[] rowActive = new boolean[4];
+    private final int[] fuelTimers = new int[4];
+    private int beaconLevel = 0;
+
+    // 4 unlock thresholds. Row N unlocks at level >= N+1.
+    // After lvl >= 4 every additional layer just expands range.
+    // Range formula: 2^(level + 5), capped at level 4 = 512 for unlock check, but range keeps growing.
+
+    private final Map<UUID, Map<Integer, Set<StatusEffect>>> persistentTracking = new HashMap<>();
+
+    private final PropertyDelegate propertyDelegate = new PropertyDelegate() {
+        @Override public int get(int i) {
+            return switch (i) {
+                case 0 -> beaconLevel;
+                case 1, 2, 3, 4 -> rowActive[i - 1] ? 1 : 0;
+                case 5, 6, 7, 8 -> fuelTimers[i - 5];
+                default -> 0;
+            };
+        }
+        @Override public void set(int i, int v) {
+            switch (i) {
+                case 0 -> beaconLevel = v;
+                case 1, 2, 3, 4 -> rowActive[i - 1] = v != 0;
+                case 5, 6, 7, 8 -> fuelTimers[i - 5] = v;
+            }
+        }
+        @Override public int size() { return 9; }
+    };
+
+    public PropertyDelegate getPropertyDelegate() { return propertyDelegate; }
+
+    public SuperBeaconBlockEntity(BlockPos pos, BlockState state) {
+        super(Szar.SUPER_BEACON_BLOCK_ENTITY, pos, state);
+    }
+
+    // No level cap - check from 1 up to limit (until invalid layer found)
+    public int computeBeaconLevel() {
+        if (world == null) return 0;
+        int levels = 0;
+        // Hard upper cap of 320 just to prevent infinite loops; world height ~384 max
+        for (int layer = 1; layer <= 320; layer++) {
+            int y = pos.getY() - layer;
+            // Stop if outside world
+            if (y < world.getBottomY()) break;
+
+            boolean valid = true;
+            for (int x = -layer; x <= layer && valid; x++) {
+                for (int z = -layer; z <= layer; z++) {
+                    BlockState bs = world.getBlockState(new BlockPos(pos.getX() + x, y, pos.getZ() + z));
+                    if (!bs.isIn(BlockTags.BEACON_BASE_BLOCKS)) { valid = false; break; }
+                }
+            }
+            if (valid) levels = layer; else break;
+        }
+        return levels;
+    }
+
+    public int getBeaconLevel() { return beaconLevel; }
+    public boolean isRowActive(int row) { return row >= 0 && row < 4 && rowActive[row]; }
+    public int getFuelTimer(int row) { return row >= 0 && row < 4 ? fuelTimers[row] : 0; }
+
+    // 2^(level+5): lvl1=64, lvl2=128, lvl3=256, lvl4=512, lvl5=1024 ... no cap
+    public double getEffectRadius() {
+        if (beaconLevel <= 0) return 0.0;
+        // Use long math then cast to double to avoid int overflow at high levels
+        return (double)(1L << (beaconLevel + 5));
+    }
+
+    public static void tick(World world, BlockPos pos, BlockState state, SuperBeaconBlockEntity be) {
+        if (world.isClient()) return;
+
+        if (world.getTime() % 20 == 0) {
+            int newLevel = be.computeBeaconLevel();
+            if (newLevel != be.beaconLevel) {
+                be.beaconLevel = newLevel;
+                be.markDirty();
+            }
+        }
+
+        for (int row = 0; row < 4; row++) {
+            if (!be.rowActive[row]) continue;
+
+            // Row N requires level >= N+1
+            if (be.beaconLevel < row + 1 || be.getStack(row * 2).isEmpty()) {
+                be.deactivateRow(row);
+                continue;
+            }
+
+            be.fuelTimers[row]++;
+            if (be.fuelTimers[row] >= FUEL_INTERVAL) {
+                ItemStack fuelItem = be.getStack(row * 2 + 1);
+                if (fuelItem.isEmpty()) { be.deactivateRow(row); continue; }
+                fuelItem.decrement(1);
+                be.fuelTimers[row] = 0;
+                if (fuelItem.isEmpty()) be.setStack(row * 2 + 1, ItemStack.EMPTY);
+                be.markDirty();
+            }
+
+        }
+
+        if (world.getTime() % 80 == 0) be.applyAllEffects();
+        if (world.getTime() % 100 == 0) be.checkPersistentRangeAll();
+        if (world.getTime() % 100 == 0) be.cleanupPersistentTracking();
+    }
+
+    // Collects effects from all active rows, summing amplifiers when same effect appears
+    // in multiple rows. Stacking: lvl1 + lvl1 = lvl2 → amp_sum = amp1 + amp2 + 1.
+    private Map<StatusEffect, Integer> collectCombinedEffects() {
+        Map<StatusEffect, Integer> combined = new HashMap<>();
+        for (int row = 0; row < 4; row++) {
+            if (!rowActive[row]) continue;
+            ItemStack effectItem = getStack(row * 2);
+            List<StatusEffectInstance> effects = getEffectsFromItem(effectItem);
+            for (StatusEffectInstance e : effects) {
+                StatusEffect type = e.getEffectType();
+                int amp = e.getAmplifier();
+                if (combined.containsKey(type)) {
+                    // Stack: each row contributes (amp+1) levels
+                    combined.put(type, combined.get(type) + amp + 1);
+                } else {
+                    combined.put(type, amp);
+                }
+            }
+        }
+        return combined;
+    }
+
+    private void applyAllEffects() {
+        if (world == null) return;
+        Map<StatusEffect, Integer> combined = collectCombinedEffects();
+        if (combined.isEmpty()) return;
+
+        double radius = getEffectRadius();
+        Box box = new Box(pos).expand(radius);
+        List<PlayerEntity> players = world.getEntitiesByClass(PlayerEntity.class, box, p -> true);
+
+        for (PlayerEntity player : players) {
+            for (Map.Entry<StatusEffect, Integer> e : combined.entrySet()) {
+                StatusEffect type = e.getKey();
+                int amp = Math.min(e.getValue(), 255); // amp cap
+
+                if (PERSISTENT_EFFECTS.contains(type)) {
+                    applyPersistent(player, type, amp);
+                } else {
+                    player.addStatusEffect(new StatusEffectInstance(
+                            type, 120, amp, true, true, true));
+                }
+            }
+        }
+    }
+
+    // Persistent tracking: key by effect type, store current applied amplifier
+    // so we re-apply when amplifier changes (row added/removed)
+    private void applyPersistent(PlayerEntity player, StatusEffect type, int amp) {
+        UUID uuid = player.getUuid();
+        Map<Integer, Set<StatusEffect>> bucket = persistentTracking.computeIfAbsent(uuid, k -> new HashMap<>());
+        // Use single bucket key 0 to track all persistent effects per player
+        Set<StatusEffect> tracked = bucket.computeIfAbsent(0, k -> new HashSet<>());
+
+        StatusEffectInstance current = player.getStatusEffect(type);
+        if (current == null || current.getAmplifier() != amp) {
+            player.removeStatusEffect(type);
+            player.addStatusEffect(new StatusEffectInstance(
+                    type, Integer.MAX_VALUE, amp, true, true, true));
+            tracked.add(type);
+        }
+    }
+
+    private void checkPersistentRangeAll() {
+        if (world == null) return;
+        double radius = getEffectRadius();
+        Vec3d center = new Vec3d(pos.getX() + 0.5, pos.getY() + 0.5, pos.getZ() + 0.5);
+        Map<StatusEffect, Integer> combined = collectCombinedEffects();
+
+        for (Map.Entry<UUID, Map<Integer, Set<StatusEffect>>> entry : persistentTracking.entrySet()) {
+            Set<StatusEffect> tracked = entry.getValue().get(0);
+            if (tracked == null || tracked.isEmpty()) continue;
+
+            PlayerEntity player = world.getPlayerByUuid(entry.getKey());
+            if (player == null) continue;
+
+            boolean outOfRange = player.getPos().distanceTo(center) > radius;
+
+            // Remove effects that are out of range OR no longer provided by any active row
+            Iterator<StatusEffect> it = tracked.iterator();
+            while (it.hasNext()) {
+                StatusEffect e = it.next();
+                if (outOfRange || !combined.containsKey(e)) {
+                    player.removeStatusEffect(e);
+                    it.remove();
+                }
+            }
+        }
+    }
+
+    private void cleanupPersistentTracking() {
+        persistentTracking.entrySet().removeIf(entry -> {
+            entry.getValue().entrySet().removeIf(e -> e.getValue().isEmpty());
+            return entry.getValue().isEmpty();
+        });
+    }
+
+    private void removePersistentForRow(int row) {
+        // Recompute combined effects (without this row, since it's already deactivated by caller)
+        // and remove any tracked effects no longer provided.
+        if (world == null) return;
+        Map<StatusEffect, Integer> combined = collectCombinedEffects();
+
+        for (Map.Entry<UUID, Map<Integer, Set<StatusEffect>>> entry : persistentTracking.entrySet()) {
+            Set<StatusEffect> tracked = entry.getValue().get(0);
+            if (tracked == null) continue;
+            PlayerEntity player = world.getPlayerByUuid(entry.getKey());
+            if (player == null) { tracked.clear(); continue; }
+
+            Iterator<StatusEffect> it = tracked.iterator();
+            while (it.hasNext()) {
+                StatusEffect e = it.next();
+                if (!combined.containsKey(e)) {
+                    player.removeStatusEffect(e);
+                    it.remove();
+                }
+            }
+        }
+    }
+
+    private List<StatusEffectInstance> getEffectsFromItem(ItemStack stack) {
+        List<StatusEffectInstance> potionEffects = PotionUtil.getPotionEffects(stack);
+        if (!potionEffects.isEmpty()) return potionEffects;
+        if (stack.getItem().getFoodComponent() != null) {
+            return stack.getItem().getFoodComponent().getStatusEffects().stream()
+                    .map(pair -> pair.getFirst()).toList();
+        }
+        return List.of();
+    }
+
+    public static boolean isValidFuel(ItemStack stack) {
+        return stack.isOf(Items.IRON_INGOT) || stack.isOf(Items.GOLD_INGOT) ||
+                stack.isOf(Items.DIAMOND) || stack.isOf(Items.EMERALD) ||
+                stack.isOf(Items.NETHERITE_INGOT);
+    }
+
+    public static boolean isValidEffectItem(ItemStack stack) {
+        if (!PotionUtil.getPotionEffects(stack).isEmpty()) return true;
+        if (stack.getItem().getFoodComponent() != null) {
+            return !stack.getItem().getFoodComponent().getStatusEffects().isEmpty();
+        }
+        return false;
+    }
+
+    public void toggleRow(int row) {
+        Szar.LOGGER.info("[Szar] toggleRow called: row={}, level={}, active={}", row, beaconLevel, rowActive[row]);
+        if (row < 0 || row >= 4) { Szar.LOGGER.warn("[Szar] row out of bounds"); return; }
+        if (beaconLevel < row + 1) { Szar.LOGGER.warn("[Szar] row locked, need level {}", row + 1); return; }
+
+        if (rowActive[row]) {
+            deactivateRow(row);
+            Szar.LOGGER.info("[Szar] deactivated row {}", row);
+        } else {
+            ItemStack effectItem = getStack(row * 2);
+            ItemStack fuelItem = getStack(row * 2 + 1);
+            if (effectItem.isEmpty()) { Szar.LOGGER.warn("[Szar] effect slot empty"); return; }
+            if (fuelItem.isEmpty()) { Szar.LOGGER.warn("[Szar] fuel slot empty"); return; }
+            if (!isValidEffectItem(effectItem)) { Szar.LOGGER.warn("[Szar] effect item invalid: {}", effectItem); return; }
+            if (!isValidFuel(fuelItem)) { Szar.LOGGER.warn("[Szar] fuel item invalid: {}", fuelItem); return; }
+
+            fuelItem.decrement(1);
+            if (fuelItem.isEmpty()) setStack(row * 2 + 1, ItemStack.EMPTY);
+            rowActive[row] = true;
+            fuelTimers[row] = 0;
+            markDirty();
+            Szar.LOGGER.info("[Szar] activated row {}", row);
+        }
+    }
+
+    private void deactivateRow(int row) {
+        rowActive[row] = false;
+        fuelTimers[row] = 0;
+        removePersistentForRow(row);
+        markDirty();
+    }
+
+    @Override public int size() { return 8; }
+    @Override public boolean isEmpty() { return inventory.stream().allMatch(ItemStack::isEmpty); }
+    @Override public ItemStack getStack(int slot) { return inventory.get(slot); }
+    @Override public ItemStack removeStack(int slot, int amount) {
+        ItemStack r = Inventories.splitStack(inventory, slot, amount); markDirty(); return r;
+    }
+    @Override public ItemStack removeStack(int slot) { return Inventories.removeStack(inventory, slot); }
+    @Override public void setStack(int slot, ItemStack stack) {
+        inventory.set(slot, stack);
+        if (stack.getCount() > getMaxCountPerStack()) stack.setCount(getMaxCountPerStack());
+        markDirty();
+    }
+    @Override public boolean canPlayerUse(PlayerEntity player) {
+        return player.squaredDistanceTo(pos.getX() + 0.5, pos.getY() + 0.5, pos.getZ() + 0.5) <= 64.0;
+    }
+    @Override public void clear() { inventory.clear(); }
+
+    @Override public boolean isValid(int slot, ItemStack stack) {
+        if (slot % 2 == 0) return isValidEffectItem(stack);
+        return isValidFuel(stack);
+    }
+
+    @Override
+    public void writeNbt(NbtCompound nbt) {
+        super.writeNbt(nbt);
+        Inventories.writeNbt(nbt, inventory);
+        nbt.putIntArray("FuelTimers", fuelTimers);
+        byte[] a = new byte[4];
+        for (int i = 0; i < 4; i++) a[i] = (byte) (rowActive[i] ? 1 : 0);
+        nbt.putByteArray("RowActive", a);
+        nbt.putInt("BeaconLevel", beaconLevel);
+    }
+
+    @Override
+    public void readNbt(NbtCompound nbt) {
+        super.readNbt(nbt);
+        inventory.clear();
+        Inventories.readNbt(nbt, inventory);
+        if (nbt.contains("FuelTimers")) {
+            int[] t = nbt.getIntArray("FuelTimers");
+            System.arraycopy(t, 0, fuelTimers, 0, Math.min(t.length, 4));
+        }
+        if (nbt.contains("RowActive")) {
+            byte[] a = nbt.getByteArray("RowActive");
+            for (int i = 0; i < Math.min(a.length, 4); i++) rowActive[i] = a[i] != 0;
+        }
+        beaconLevel = nbt.getInt("BeaconLevel");
+    }
+
+    @Override public Text getDisplayName() { return Text.translatable("block.szar.super_beacon"); }
+
+    @Override
+    public ScreenHandler createMenu(int syncId, PlayerInventory inv, PlayerEntity player) {
+        return new SuperBeaconScreenHandler(syncId, inv, this, propertyDelegate, pos);
+    }
+
+    @Override
+    public void writeScreenOpeningData(ServerPlayerEntity player, PacketByteBuf buf) {
+        buf.writeBlockPos(pos);
+    }
+}

src/main/java/dev/tggamesyt/szar/SuperBeaconScreenHandler.java

@@ -0,0 +1,89 @@
+package dev.tggamesyt.szar;
+
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.entity.player.PlayerInventory;
+import net.minecraft.inventory.Inventory;
+import net.minecraft.inventory.SimpleInventory;
+import net.minecraft.item.ItemStack;
+import net.minecraft.network.PacketByteBuf;
+import net.minecraft.screen.ArrayPropertyDelegate;
+import net.minecraft.screen.PropertyDelegate;
+import net.minecraft.screen.ScreenHandler;
+import net.minecraft.screen.slot.Slot;
+import net.minecraft.util.math.BlockPos;
+
+public class SuperBeaconScreenHandler extends ScreenHandler {
+
+    private final Inventory inventory;
+    private final PropertyDelegate propertyDelegate;
+    private final BlockPos pos;
+
+    // Client ctor
+    public SuperBeaconScreenHandler(int syncId, PlayerInventory playerInventory, PacketByteBuf buf) {
+        this(syncId, playerInventory, new SimpleInventory(8),
+                new ArrayPropertyDelegate(9), buf.readBlockPos());
+    }
+
+    // Server ctor
+    public SuperBeaconScreenHandler(int syncId, PlayerInventory playerInventory, Inventory inventory,
+                                    PropertyDelegate propertyDelegate, BlockPos pos) {
+        super(Szar.SUPER_BEACON_SCREEN_HANDLER, syncId);
+        this.inventory = inventory;
+        this.propertyDelegate = propertyDelegate;
+        this.pos = pos;
+
+        checkSize(inventory, 8);
+        inventory.onOpen(playerInventory.player);
+
+        for (int row = 0; row < 4; row++) {
+            addSlot(new EffectSlot(inventory, row * 2, 44, 18 + row * 28));
+            addSlot(new FuelSlot(inventory, row * 2 + 1, 80, 18 + row * 28));
+        }
+
+        for (int row = 0; row < 3; row++) {
+            for (int col = 0; col < 9; col++) {
+                addSlot(new Slot(playerInventory, col + row * 9 + 9, 8 + col * 18, 140 + row * 18));
+            }
+        }
+        for (int col = 0; col < 9; col++) {
+            addSlot(new Slot(playerInventory, col, 8 + col * 18, 198));
+        }
+
+        addProperties(propertyDelegate);
+    }
+
+    public int getBeaconLevel() { return propertyDelegate.get(0); }
+    public boolean isRowActive(int row) { return propertyDelegate.get(1 + row) != 0; }
+    public int getFuelTimer(int row) { return propertyDelegate.get(5 + row); }
+    public BlockPos getPos() { return pos; }
+
+    @Override
+    public ItemStack quickMove(PlayerEntity player, int slotIndex) {
+        ItemStack newStack = ItemStack.EMPTY;
+        Slot slot = this.slots.get(slotIndex);
+        if (slot.hasStack()) {
+            ItemStack original = slot.getStack();
+            newStack = original.copy();
+            if (slotIndex < 8) {
+                if (!insertItem(original, 8, 44, true)) return ItemStack.EMPTY;
+            } else {
+                if (!insertItem(original, 0, 8, false)) return ItemStack.EMPTY;
+            }
+            if (original.isEmpty()) slot.setStack(ItemStack.EMPTY); else slot.markDirty();
+        }
+        return newStack;
+    }
+
+    @Override public boolean canUse(PlayerEntity player) { return inventory.canPlayerUse(player); }
+
+    private static class EffectSlot extends Slot {
+        public EffectSlot(Inventory inv, int i, int x, int y) { super(inv, i, x, y); }
+        @Override public boolean canInsert(ItemStack stack) { return SuperBeaconBlockEntity.isValidEffectItem(stack); }
+        @Override public int getMaxItemCount() { return 1; }
+    }
+
+    private static class FuelSlot extends Slot {
+        public FuelSlot(Inventory inv, int i, int x, int y) { super(inv, i, x, y); }
+        @Override public boolean canInsert(ItemStack stack) { return SuperBeaconBlockEntity.isValidFuel(stack); }
+    }
+}

src/main/java/dev/tggamesyt/szar/Szar.java

@@ -26,6 +26,7 @@ import net.fabricmc.fabric.api.object.builder.v1.entity.FabricDefaultAttributeRe
 import net.fabricmc.fabric.api.object.builder.v1.entity.FabricEntityTypeBuilder;
 import net.fabricmc.fabric.api.object.builder.v1.trade.TradeOfferHelper;
 import net.fabricmc.fabric.api.object.builder.v1.world.poi.PointOfInterestHelper;
+import net.fabricmc.fabric.api.screenhandler.v1.ExtendedScreenHandlerType;
 import net.fabricmc.fabric.api.screenhandler.v1.ScreenHandlerRegistry;
 import net.fabricmc.fabric.impl.biome.TheEndBiomeData;
 import net.minecraft.advancement.Advancement;
@@ -421,6 +422,7 @@ public class Szar implements ModInitializer {
                         entries.add(Szar.ENDER_BOOTS);
                         entries.add(Szar.SUPER_DIAMOND);
                         entries.add(Szar.SUPER_APPLE);
+                        entries.add(Szar.SUPER_BEACON_ITEM);
                         // blueprint stuff
                         entries.add(BlueprintBlocks.BLUEPRINT);
                         entries.add(BlueprintBlocks.BLUEPRINT_DOOR_ITEM);
@@ -1485,7 +1487,54 @@ public class Szar implements ModInitializer {
 
             return true;
         });
+        Registry.register(Registries.BLOCK, new Identifier(MOD_ID, "super_beacon"), SUPER_BEACON_BLOCK);
+        Registry.register(Registries.ITEM, new Identifier(MOD_ID, "super_beacon"), SUPER_BEACON_ITEM);
+
+        SUPER_BEACON_BLOCK_ENTITY = Registry.register(
+                Registries.BLOCK_ENTITY_TYPE,
+                new Identifier(MOD_ID, "super_beacon"),
+                FabricBlockEntityTypeBuilder.create(SuperBeaconBlockEntity::new, SUPER_BEACON_BLOCK).build()
+        );
+
+        SUPER_BEACON_SCREEN_HANDLER = Registry.register(
+                Registries.SCREEN_HANDLER,
+                new Identifier(MOD_ID, "super_beacon"),
+                new ExtendedScreenHandlerType<>(SuperBeaconScreenHandler::new)
+        );
+
+        ServerPlayNetworking.registerGlobalReceiver(ACTIVATE_ROW_PACKET, (server, player, handler, buf, responseSender) -> {
+            BlockPos pos = buf.readBlockPos();
+            int row = buf.readInt();
+            server.execute(() -> {
+                LOGGER.info("[Szar] activate_row: pos={}, row={}", pos, row);
+                if (player.getServerWorld().getBlockEntity(pos) instanceof SuperBeaconBlockEntity be) {
+                    if (be.canPlayerUse(player)) {
+                        boolean wasActive = be.isRowActive(row);
+                        be.toggleRow(row);
+                        LOGGER.info("[Szar] row {} {} -> {} (level={}, effect={}, fuel={})",
+                                row, wasActive, be.isRowActive(row), be.getBeaconLevel(),
+                                be.getStack(row * 2), be.getStack(row * 2 + 1));
+                    } else {
+                        LOGGER.warn("[Szar] player too far");
                     }
+                } else {
+                    LOGGER.warn("[Szar] no block entity at {}", pos);
+                }
+            });
+        });
+
+        LOGGER.info("[Szar] Initialized");
+    }
+    public static final Block SUPER_BEACON_BLOCK = new SuperBeaconBlock(
+            FabricBlockSettings.copyOf(Blocks.BEACON).luminance(15)
+    );
+
+    public static final Item SUPER_BEACON_ITEM = new BlockItem(SUPER_BEACON_BLOCK, new FabricItemSettings());
+
+    public static BlockEntityType<SuperBeaconBlockEntity> SUPER_BEACON_BLOCK_ENTITY;
+    public static ScreenHandlerType<SuperBeaconScreenHandler> SUPER_BEACON_SCREEN_HANDLER;
+
+    public static final Identifier ACTIVATE_ROW_PACKET = new Identifier(MOD_ID, "activate_row");
 
     private static void teleportRandomly(PlayerEntity player, ServerWorld world) {
         Random RANDOM = new Random();

src/main/resources/assets/szar/blockstates/super_beacon.json

@@ -0,0 +1,7 @@
+{
+  "variants": {
+    "": {
+      "model": "szar:block/super_beacon"
+    }
+  }
+}

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

@@ -223,5 +223,6 @@
   "item.szar.ender_chestplate":  "Ender Chestplate",
   "item.szar.ender_leggings":  "Ender Leggings",
   "item.szar.ender_boots":  "Ender Boots",
-  "item.szar.ender_helmet":  "Ender Helmet"
+  "item.szar.ender_helmet":  "Ender Helmet",
+  "block.szar.super_beacon": "Super Beacon"
 }

src/main/resources/assets/szar/models/block/super_beacon.json

@@ -0,0 +1,67 @@
+{
+	"format_version": "1.21.11",
+	"credit": "Made with Blockbench",
+	"parent": "block/block",
+	"textures": {
+		"3": "szar:block/enchanting_table_top",
+		"4": "szar:block/enchanting_table_side",
+		"particle": "szar:block/glass",
+		"glass": "szar:block/glass",
+		"obsidian": "szar:block/obsidian",
+		"beacon": "szar:block/beacon"
+	},
+	"elements": [
+		{
+			"name": "Glass shell",
+			"from": [0, 0, 0],
+			"to": [16, 16, 16],
+			"faces": {
+				"north": {"uv": [0, 0, 16, 16], "texture": "#glass"},
+				"east": {"uv": [0, 0, 16, 16], "texture": "#glass"},
+				"south": {"uv": [0, 0, 16, 16], "texture": "#glass"},
+				"west": {"uv": [0, 0, 16, 16], "texture": "#glass"},
+				"up": {"uv": [0, 0, 16, 16], "texture": "#glass"},
+				"down": {"uv": [0, 0, 16, 16], "texture": "#glass"}
+			}
+		},
+		{
+			"name": "Obsidian base",
+			"from": [2, 0.1, 2],
+			"to": [14, 3, 14],
+			"faces": {
+				"north": {"uv": [2, 13, 14, 16], "texture": "#obsidian"},
+				"east": {"uv": [2, 13, 14, 16], "texture": "#obsidian"},
+				"south": {"uv": [2, 13, 14, 16], "texture": "#obsidian"},
+				"west": {"uv": [2, 13, 14, 16], "texture": "#obsidian"},
+				"up": {"uv": [2, 2, 14, 14], "texture": "#obsidian"},
+				"down": {"uv": [2, 2, 14, 14], "texture": "#obsidian"}
+			}
+		},
+		{
+			"name": "Enchanting Table",
+			"from": [3, 3, 3],
+			"to": [13, 11, 13],
+			"faces": {
+				"north": {"uv": [0, 4, 16, 16], "texture": "#4"},
+				"east": {"uv": [0, 4, 16, 16], "texture": "#4"},
+				"south": {"uv": [0, 4, 16, 16], "texture": "#4"},
+				"west": {"uv": [0, 4, 16, 16], "texture": "#4"},
+				"up": {"uv": [0, 0, 16, 16], "texture": "#3"},
+				"down": {"uv": [3, 3, 13, 13], "texture": "#3"}
+			}
+		},
+		{
+			"name": "Inner beacon texture",
+			"from": [6, 11, 6],
+			"to": [10, 15, 10],
+			"faces": {
+				"north": {"uv": [0, 0, 16, 16], "texture": "#beacon"},
+				"east": {"uv": [0, 0, 16, 16], "texture": "#beacon"},
+				"south": {"uv": [0, 0, 16, 16], "texture": "#beacon"},
+				"west": {"uv": [0, 0, 16, 16], "texture": "#beacon"},
+				"up": {"uv": [0, 0, 16, 16], "texture": "#beacon"},
+				"down": {"uv": [0, 0, 16, 16], "texture": "#beacon"}
+			}
+		}
+	]
+}

src/main/resources/assets/szar/models/item/super_beacon.json

@@ -0,0 +1,3 @@
+{
+  "parent": "szar:block/super_beacon"
+}

src/main/resources/data/szar/loot_tables/blocks/super_beacon.json

@@ -0,0 +1,20 @@
+{
+  "type": "minecraft:block",
+  "pools": [
+    {
+      "bonus_rolls": 0.0,
+      "conditions": [
+        {
+          "condition": "minecraft:survives_explosion"
+        }
+      ],
+      "entries": [
+        {
+          "type": "minecraft:item",
+          "name": "szar:super_beacon"
+        }
+      ],
+      "rolls": 1.0
+    }
+  ]
+}

src/main/resources/data/szar/recipes/super_beacon.json

@@ -20,7 +20,7 @@
     }
   },
   "result": {
-    "item": "minecraft:bedrock",
+    "item": "szar:super_beacon",
     "count": 1
   }
 }