Port to Kotlin

Signed-off-by: Naomi Roberts <[e-mail]>

build.gradle.kts

···
 plugins {
-    id("fabric-loom") version "1.2-SNAPSHOT"
+    id("fabric-loom") version "1.10-SNAPSHOT"
     id("maven-publish")
+    kotlin("jvm") version libs.versions.kotlin
+    alias(libs.plugins.ksp)
 }
 
 val minecraft_version = "1.20.1"
···
 
 repositories {
     maven("https://maven.wispforest.io")
+    maven("https://maven.kosmx.dev/")
     maven("https://maven.ladysnake.org/releases") {
         name = "Ladysnake Mods"
     }
···
     mappings(loom.officialMojangMappings())
 
     // fabric stuff
+    modImplementation(libs.fabric.kotlin)
     modImplementation(libs.fabric.loader)
     modImplementation(libs.fabric.api)
 
     // owo-lib
-    modImplementation(libs.owo.lib)
+    modImplementation(libs.owo.lib)?.let(::annotationProcessor)
     include(libs.owo.sentinel)
-    annotationProcessor(libs.owo.lib)
+    implementation(libs.ksp)
+    implementation(libs.kotlinpoet)
+    ksp(libs.owo.ksp)
 
     // Cardinal Components API
     modImplementation(libs.cca.base)?.let(::include)
···
         val props = buildMap {
             put("version", project.version)
             put("minecraft_version", minecraft_version)
-            put("loader_version", libs.versions.fabric.loader)
+            put("loader_version", "0.16.9")
         }
 
         props.forEach(inputs::property)
···
             rename { "${it}_${base.archivesName}"}
         }
     }
-}
+}

gradle/wrapper/gradle-wrapper.properties

···
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.1.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.2-bin.zip
 networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

libs.versions.toml

···
 [versions]
-fabric-loader="0.14.22"
-fabric-api="0.89.3+1.20.1"
-owo="0.11.1+1.20"
+kotlin = "2.1.0"
+fabric-kotlin = "1.13.0+kotlin.2.1.0"
+fabric-loader= "0.16.9"
+fabric-api = "0.89.3+1.20.1"
+owo-lib = "0.11.1+1.20"
+owo-ksp = "0.1.0"
 cca = "5.2.2"
+ksp = "2.1.0-1.0.29"
+kotlinpoet = "1.17.0"
 
 [libraries]
+fabric-kotlin = { module = "net.fabricmc:fabric-language-kotlin", version.ref = "fabric-kotlin" }
 fabric-loader = { module = "net.fabricmc:fabric-loader", version.ref = "fabric-loader" }
 fabric-api = { module = "net.fabricmc.fabric-api:fabric-api", version.ref = "fabric-api" }
-owo-lib = { module = "io.wispforest:owo-lib", version.ref = "owo" }
-owo-sentinel = { module = "io.wispforest:owo-sentinel", version.ref = "owo" }
+owo-lib = { module = "io.wispforest:owo-lib", version.ref = "owo-lib" }
+owo-sentinel = { module = "io.wispforest:owo-sentinel", version.ref = "owo-lib" }
+owo-ksp = { module = "dev.kosmx.kowoconfig:ksp-owo-config", version.ref = "owo-ksp" }
 cca-base = { module = "dev.onyxstudios.cardinal-components-api:cardinal-components-base", version.ref = "cca" }
-cca-entity = { module = "dev.onyxstudios.cardinal-components-api:cardinal-components-entity", version.ref = "cca" }
+cca-entity = { module = "dev.onyxstudios.cardinal-components-api:cardinal-components-entity", version.ref = "cca" }
+ksp = { module = "com.google.devtools.ksp:symbol-processing-api", version.ref = "ksp" }
+kotlinpoet = { module = "com.squareup:kotlinpoet-ksp", version.ref = "kotlinpoet" }
+
+[plugins]
+ksp = { id = "com.google.devtools.ksp", version.ref = "ksp" }

src/main/java/xyz/naomieow/asbestos/AsbestosMod.java

···
-package xyz.naomieow.asbestos;
-
-import dev.onyxstudios.cca.api.v3.component.ComponentKey;
-import dev.onyxstudios.cca.api.v3.component.ComponentRegistryV3;
-import dev.onyxstudios.cca.api.v3.entity.EntityComponentFactoryRegistry;
-import dev.onyxstudios.cca.api.v3.entity.EntityComponentInitializer;
-import dev.onyxstudios.cca.api.v3.entity.RespawnCopyStrategy;
-import io.wispforest.owo.registration.reflect.FieldRegistrationHandler;
-import net.fabricmc.api.ModInitializer;
-import net.fabricmc.fabric.api.biome.v1.BiomeModifications;
-import net.fabricmc.fabric.api.biome.v1.BiomeSelectors;
-import net.minecraft.core.Registry;
-import net.minecraft.core.registries.BuiltInRegistries;
-import net.minecraft.core.registries.Registries;
-import net.minecraft.resources.ResourceKey;
-import net.minecraft.resources.ResourceLocation;
-import net.minecraft.world.effect.MobEffect;
-import net.minecraft.world.level.block.Block;
-import net.minecraft.world.level.levelgen.GenerationStep;
-import net.minecraft.world.level.levelgen.placement.PlacedFeature;
-import xyz.naomieow.asbestos.block.ModBlocks;
-import xyz.naomieow.asbestos.config.AsbestosConfig;
-import xyz.naomieow.asbestos.item.ModGroups;
-import xyz.naomieow.asbestos.item.ModItems;
-import xyz.naomieow.asbestos.mesothelioma.MesoComponent;
-import xyz.naomieow.asbestos.mesothelioma.MesoStatusEffect;
-import xyz.naomieow.asbestos.mesothelioma.PlayerMesoComponet;
-import xyz.naomieow.asbestos.screen.ModHandlers;
-
-public class AsbestosMod implements ModInitializer, EntityComponentInitializer {
-    public static final String MOD_ID = "asbestos";
-    public static final ComponentKey<MesoComponent> MESOTHELIOMA = ComponentRegistryV3.INSTANCE
-            .getOrCreate(new ResourceLocation(MOD_ID, "mesothelioma"), MesoComponent.class);
-    public static final AsbestosConfig CONFIG = AsbestosConfig.createAndLoad();
-    public static final MobEffect MESO_STATUS = new MesoStatusEffect();
-    public static final Block[] HARMFUL_PASSIVE_BLOCKS = { ModBlocks.ASBESTOS_BLOCK};
-    public static final ResourceKey<PlacedFeature> SERPENTINITE_PLACED_KEY = ResourceKey.create(Registries.PLACED_FEATURE, new ResourceLocation(MOD_ID, "serpentinite"));
-
-
-
-    @Override
-    public void registerEntityComponentFactories(EntityComponentFactoryRegistry registry) {
-        registry.registerForPlayers(MESOTHELIOMA, PlayerMesoComponet::new, RespawnCopyStrategy.NEVER_COPY);
-    }
-
-    @Override
-    public void onInitialize() {
-        FieldRegistrationHandler.register(ModItems.class, MOD_ID, false);
-        FieldRegistrationHandler.register(ModBlocks.class, MOD_ID, false);
-        FieldRegistrationHandler.register(ModHandlers.class, MOD_ID, false);
-        Registry.register(BuiltInRegistries.MOB_EFFECT, new ResourceLocation(MOD_ID, "mesothelioma"), MESO_STATUS);
-        BiomeModifications.addFeature(BiomeSelectors.foundInOverworld(), GenerationStep.Decoration.UNDERGROUND_ORES, SERPENTINITE_PLACED_KEY);
-        ModGroups.init();
-        ModScheduler.init();
-    }
-}

src/main/java/xyz/naomieow/asbestos/AsbestosModClient.java

···
-package xyz.naomieow.asbestos;
-
-import net.fabricmc.api.ClientModInitializer;
-import net.fabricmc.api.EnvType;
-import net.fabricmc.api.Environment;
-import net.minecraft.client.gui.screens.MenuScreens;
-import xyz.naomieow.asbestos.screen.CancerMeterScreen;
-import xyz.naomieow.asbestos.screen.ModHandlers;
-
-@Environment(EnvType.CLIENT)
-public class AsbestosModClient implements ClientModInitializer {
-    @Override
-    public void onInitializeClient() {
-        MenuScreens.register(ModHandlers.CANCER_METER, CancerMeterScreen::new);
-    }
-}

src/main/java/xyz/naomieow/asbestos/ModScheduler.java

···
-package xyz.naomieow.asbestos;
-
-import net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents;
-import net.minecraft.core.BlockPos;
-import net.minecraft.world.effect.MobEffectInstance;
-import net.minecraft.world.level.block.Block;
-import net.minecraft.world.phys.Vec3;
-import xyz.naomieow.asbestos.block.CarcinogenicBlock;
-
-import java.util.Arrays;
-
-public class ModScheduler {
-    public static void init() {
-        ServerTickEvents.END_SERVER_TICK.register( server -> {
-            if (server.getTickCount() % (AsbestosMod.CONFIG.period() * 20) == 0) {
-                server.getAllLevels().forEach(serverWorld -> serverWorld.players().forEach(serverPlayerEntity -> {
-                    int exposure = AsbestosMod.MESOTHELIOMA.get(serverPlayerEntity).getMesothelioma();
-
-                    if (exposure >= (AsbestosMod.CONFIG.threshold() / 2)) {
-                        serverPlayerEntity.addEffect(new MobEffectInstance(AsbestosMod.MESO_STATUS, -1));
-                    }
-
-                    if (CarcinogenicBlock.isProtectedFromAsbestos(serverPlayerEntity)) {
-                        return;
-                    }
-
-                    int offset = AsbestosMod.CONFIG.offset();
-
-                    findasbestos: for (int i = -offset; i < offset; i++) {
-                        for (int j = -offset; j < offset; j++) {
-                            for (int k = -offset; k < offset; k++) {
-                                Vec3 offsetPos = serverPlayerEntity.position().add(i, j, k);
-                                BlockPos pos = new BlockPos((int) offsetPos.x(), (int) offsetPos.y(), (int) offsetPos.z());
-                                Block block = serverWorld.getBlockState(pos).getBlock();
-                                if (Arrays.asList(AsbestosMod.HARMFUL_PASSIVE_BLOCKS).contains(block)) {
-                                    AsbestosMod.MESOTHELIOMA.get(serverPlayerEntity).setMesothelioma(exposure + 1);
-                                    break findasbestos;
-                                }
-                            }
-                        }
-                    }
-                }));
-            }
-        });
-    }
-}

src/main/java/xyz/naomieow/asbestos/armour/ProtectiveMaterial.java

···
-package xyz.naomieow.asbestos.armour;
-
-import net.minecraft.sounds.SoundEvent;
-import net.minecraft.sounds.SoundEvents;
-import net.minecraft.world.item.ArmorItem;
-import net.minecraft.world.item.ArmorMaterial;
-import net.minecraft.world.item.Items;
-import net.minecraft.world.item.crafting.Ingredient;
-
-public class ProtectiveMaterial implements ArmorMaterial {
-    private static final int[] BASE_DURABILITY = new int[] { 13, 15, 16, 11 };
-    private static final int[] PROTECTION_VALUES = new int[] { 1, 1, 2, 1 };
-
-    public static final ProtectiveMaterial INSTANCE = new ProtectiveMaterial();
-
-    @Override
-    public int getDurabilityForType(ArmorItem.Type type) {
-        return BASE_DURABILITY[type.getSlot().getIndex()];
-    }
-
-    @Override
-    public int getDefenseForType(ArmorItem.Type type) {
-        return PROTECTION_VALUES[type.getSlot().getIndex()];
-    }
-
-    @Override
-    public int getEnchantmentValue() {
-        return 4;
-    }
-
-    @Override
-    public SoundEvent getEquipSound() {
-        return SoundEvents.WOOL_HIT;
-    }
-
-    @Override
-    public Ingredient getRepairIngredient() {
-        return Ingredient.of(Items.STRING);
-    }
-
-    @Override
-    public String getName() {
-        return "asbestos_protective";
-    }
-
-    @Override
-    public float getToughness() {
-        return 0;
-    }
-
-    @Override
-    public float getKnockbackResistance() {
-        return 0;
-    }
-}

src/main/java/xyz/naomieow/asbestos/block/AsbestosRoofBlock.java

···
-package xyz.naomieow.asbestos.block;
-
-import net.fabricmc.api.EnvType;
-import net.fabricmc.api.Environment;
-import net.fabricmc.fabric.api.blockrenderlayer.v1.BlockRenderLayerMap;
-import net.fabricmc.loader.api.FabricLoader;
-import net.minecraft.client.renderer.RenderType;
-import net.minecraft.core.BlockPos;
-import net.minecraft.core.Direction;
-import net.minecraft.world.item.context.BlockPlaceContext;
-import net.minecraft.world.level.BlockGetter;
-import net.minecraft.world.level.block.Block;
-import net.minecraft.world.level.block.state.BlockState;
-import net.minecraft.world.level.block.state.StateDefinition;
-import net.minecraft.world.level.block.state.properties.BlockStateProperties;
-import net.minecraft.world.phys.shapes.CollisionContext;
-import net.minecraft.world.phys.shapes.Shapes;
-import net.minecraft.world.phys.shapes.VoxelShape;
-import org.jetbrains.annotations.Nullable;
-
-public class AsbestosRoofBlock extends CarcinogenicBlock {
-    public AsbestosRoofBlock(Properties settings, int dangerLevel) {
-        super(settings, dangerLevel);
-        registerDefaultState(this.getStateDefinition().any().setValue(BlockStateProperties.HORIZONTAL_FACING, Direction.NORTH));
-        if (FabricLoader.getInstance().getEnvironmentType() != EnvType.SERVER) {
-            BlockRenderLayerMap.INSTANCE.putBlock(this, RenderType.cutout());
-        }
-    }
-
-    @Override
-    protected void createBlockStateDefinition(StateDefinition.Builder<Block, BlockState> builder) {
-        builder.add(BlockStateProperties.HORIZONTAL_FACING);
-    }
-
-    @Override
-    public VoxelShape getShape(BlockState state, BlockGetter world, BlockPos pos, CollisionContext context) {
-
-        Direction dir = state.getValue(BlockStateProperties.HORIZONTAL_FACING);
-        return switch (dir) {
-            case NORTH -> Shapes.or(Shapes.box(0, 0, 0, 1, 0.5, 1),
-                    Shapes.box(0, 0.5, 0.5, 1, 1, 1));
-            case SOUTH -> Shapes.or(Shapes.box(0, 0, 0, 1, 0.5, 1),
-                    Shapes.box(0, 0.5, 0, 1, 1, 0.5));
-            case EAST -> Shapes.or(Shapes.box(0, 0, 0, 1, 0.5, 1),
-                    Shapes.box(0, 0.5, 0, 0.5, 1, 1));
-            case WEST -> Shapes.or(Shapes.box(0, 0, 0, 1, 0.5, 1),
-                    Shapes.box(0.5, 0.5, 0, 1, 1, 1));
-            default -> Shapes.block();
-        };
-    }
-
-    @Nullable
-    @Override
-    public BlockState getStateForPlacement(BlockPlaceContext ctx) {
-        return this.defaultBlockState().setValue(BlockStateProperties.HORIZONTAL_FACING,
-                ctx.getHorizontalDirection().getOpposite());
-    }
-
-    @Environment(EnvType.CLIENT)
-    @Override
-    public float getShadeBrightness(BlockState state, BlockGetter world, BlockPos pos) {
-        return 1.0f;
-    }
-}

src/main/java/xyz/naomieow/asbestos/block/CarcinogenicBlock.java

···
-package xyz.naomieow.asbestos.block;
-
-import xyz.naomieow.asbestos.AsbestosMod;
-import xyz.naomieow.asbestos.item.ModItems;
-
-import java.util.Arrays;
-import net.minecraft.core.BlockPos;
-import net.minecraft.world.entity.player.Player;
-import net.minecraft.world.item.Item;
-import net.minecraft.world.item.ItemStack;
-import net.minecraft.world.level.Level;
-import net.minecraft.world.level.block.Block;
-import net.minecraft.world.level.block.state.BlockState;
-
-public class CarcinogenicBlock extends Block {
-    private int dangerLevel;
-    public static Item[] PROTECTIVE_ARMOUR = {ModItems.PPE_HELMET, ModItems.PPE_CHESTPLATE, ModItems.PPE_LEGGINGS, ModItems.PPE_BOOTS};
-
-    public CarcinogenicBlock(Properties settings, int dangerLevel) {
-        super(settings);
-        this.dangerLevel = dangerLevel;
-    }
-
-    public static boolean isProtectedFromAsbestos(Player player) {
-        for (ItemStack item : player.getArmorSlots()) {
-            if (!Arrays.asList(PROTECTIVE_ARMOUR).contains(item.getItem())) {
-                return false;
-            }
-        }
-        return true;
-    }
-
-    @Override
-    public void playerWillDestroy(Level world, BlockPos pos, BlockState state, Player player) {
-        super.playerWillDestroy(world, pos, state, player);
-        if (!isProtectedFromAsbestos(player)) {
-            int exposure = AsbestosMod.MESOTHELIOMA.get(player).getMesothelioma();
-            AsbestosMod.MESOTHELIOMA.get(player).setMesothelioma(exposure + dangerLevel);
-        }
-    }
-}

src/main/java/xyz/naomieow/asbestos/block/ModBlocks.java

···
-package xyz.naomieow.asbestos.block;
-
-import io.wispforest.owo.itemgroup.OwoItemSettings;
-import io.wispforest.owo.registration.reflect.BlockRegistryContainer;
-import net.fabricmc.fabric.api.object.builder.v1.block.FabricBlockSettings;
-import net.minecraft.world.item.BlockItem;
-import net.minecraft.world.level.block.Block;
-import net.minecraft.world.level.block.Blocks;
-import xyz.naomieow.asbestos.item.ModGroups;
-
-public class ModBlocks implements BlockRegistryContainer {
-    public static final Block ASBESTOS_BLOCK = new CarcinogenicBlock(
-            FabricBlockSettings.copyOf(Blocks.WHITE_WOOL).destroyTime(1.0f), 40);
-    public static final Block SERPENTINITE_BLOCK = new CarcinogenicBlock(
-            FabricBlockSettings.copyOf(Blocks.STONE).destroyTime(3.0f).requiresCorrectToolForDrops(), 20);
-    public static final Block POPCORN_CEILING_BLOCK = new CarcinogenicBlock(
-            FabricBlockSettings.copyOf(Blocks.OAK_PLANKS).destroyTime(2.0f), 20);
-    public static final Block ASBESTOS_TILE_BLOCK = new CarcinogenicBlock(
-            FabricBlockSettings.copyOf(Blocks.NETHER_BRICKS).destroyTime(3.0f), 20);
-    public static final Block ASBESTOS_ROOF_BLOCK = new AsbestosRoofBlock(
-            FabricBlockSettings.copyOf(ASBESTOS_TILE_BLOCK).noOcclusion(), 20);
-
-    @Override
-    public BlockItem createBlockItem(Block block, String identifier) {
-        return new BlockItem(block, new OwoItemSettings().group(ModGroups.ASBESTOS_GROUP));
-    }
-}

src/main/java/xyz/naomieow/asbestos/config/ModConfigModel.java

···
-package xyz.naomieow.asbestos.config;
-
-import io.wispforest.owo.config.annotation.Config;
-import io.wispforest.owo.config.annotation.Modmenu;
-import io.wispforest.owo.config.annotation.RangeConstraint;
-import xyz.naomieow.asbestos.AsbestosMod;
-
-@Modmenu(modId = AsbestosMod.MOD_ID)
-@Config(name = "asbestos_config", wrapperName = "AsbestosConfig")
-public class ModConfigModel {
-    @RangeConstraint(min = 0, max = 32)
-    public int offset = 3;
-    public int period = 5;
-    public int threshold = 180;
-    public int exsanguination = 1;
-}

src/main/java/xyz/naomieow/asbestos/damage/ModDamageTypes.java

···
-package xyz.naomieow.asbestos.damage;
-
-
-import net.minecraft.core.registries.Registries;
-import net.minecraft.resources.ResourceKey;
-import net.minecraft.resources.ResourceLocation;
-import net.minecraft.world.damagesource.DamageSource;
-import net.minecraft.world.damagesource.DamageType;
-import net.minecraft.world.level.Level;
-import xyz.naomieow.asbestos.AsbestosMod;
-
-public class ModDamageTypes {
-    public static final ResourceKey<DamageType> MESOTHELIOMA = ResourceKey.create(Registries.DAMAGE_TYPE, new ResourceLocation(AsbestosMod.MOD_ID, "mesothelioma"));
-    public static final ResourceKey<DamageType> BLOOD_EXTRACT = ResourceKey.create(Registries.DAMAGE_TYPE, new ResourceLocation(AsbestosMod.MOD_ID, "blood_extract"));
-
-    public static DamageSource of(Level world, ResourceKey<DamageType> key) {
-        return new DamageSource(world.registryAccess().registryOrThrow(Registries.DAMAGE_TYPE).getHolderOrThrow(key));
-    }
-
-}

src/main/java/xyz/naomieow/asbestos/inventory/CancerMeterInventory.java

···
-package xyz.naomieow.asbestos.inventory;
-
-import net.fabricmc.fabric.api.screenhandler.v1.ExtendedScreenHandlerFactory;
-import net.minecraft.core.NonNullList;
-import net.minecraft.nbt.CompoundTag;
-import net.minecraft.nbt.ListTag;
-import net.minecraft.network.FriendlyByteBuf;
-import net.minecraft.network.chat.Component;
-import net.minecraft.server.level.ServerPlayer;
-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.ItemStack;
-import net.minecraft.world.level.Level;
-import org.jetbrains.annotations.Nullable;
-import xyz.naomieow.asbestos.screen.CancerMeterScreenHandler;
-
-public class CancerMeterInventory implements ICancerMeterInventory {
-    private InventoryImproved inventory = createInventory(1);
-    private final Player player;
-    private final byte screenID;
-    private ItemStack stack;
-
-
-    public CancerMeterInventory(ItemStack stack, Player player, byte screenID) {
-        this.player = player;
-        this.stack = stack;
-        this.screenID = screenID;
-
-        if (stack != null){
-            this.readAllData(stack.getOrCreateTag());
-        }
-    }
-
-    public void setStack(ItemStack stack) {
-        this.stack = stack;
-    }
-
-    @Override
-    public InventoryImproved getInventory() {
-        return this.inventory;
-    }
-
-    @Override
-    public void writeAllData(CompoundTag nbt) {
-        this.writeItems(nbt);
-    }
-
-    @Override
-    public void readAllData(CompoundTag nbt) {
-        this.readItems(nbt);
-    }
-
-    @Override
-    public void writeItems(CompoundTag nbt) {
-        CancerMeterInventory.writeNbt(nbt, this.inventory.getStacks(), true);
-    }
-
-    @Override
-    public void readItems(CompoundTag nbt) {
-        this.inventory = createInventory(1);
-        CancerMeterInventory.readNbt(nbt, this.inventory.getStacks());
-    }
-
-    @Override
-    public Level getWorld() {
-        return this.player.level();
-    }
-
-    @Override
-    public byte getScreenID() {
-        return this.screenID;
-    }
-
-    @Override
-    public ItemStack getItemStack() {
-        return this.stack == null ? ItemStack.EMPTY : this.stack;
-    }
-
-    @Override
-    public void setUsingPlayer(@Nullable Player player) { }
-
-    @Override
-    public void markDataDirty(byte... dataIds) {
-        if (this.getWorld().isClientSide() || this.stack == null) return;
-
-        for (byte data : dataIds) {
-            switch (data) {
-                case INVENTORY_DATA -> CancerMeterInventory.writeNbt(this.stack.getOrCreateTag(), this.getInventory().getStacks(), true);
-                case COMBINED_INVENTORY_DATA -> writeItems(stack.getOrCreateTag());
-                case ALL_DATA -> writeAllData(stack.getOrCreateTag());
-            }
-        }
-    }
-
-    @Override
-    public void markDirty() { }
-
-    public static void openHandledScreen(Player player, ItemStack stack, byte screenID) {
-        if (!player.level().isClientSide()) {
-            player.openMenu(new ExtendedScreenHandlerFactory() {
-                @Override
-                public void writeScreenOpeningData(ServerPlayer player, FriendlyByteBuf buf) {
-                    buf.writeByte(screenID);
-                }
-
-                @Override
-                public Component getDisplayName() {
-                    return Component.translatable("screen.asbestos.cancer_meter");
-                }
-
-                @Nullable
-                @Override
-                public AbstractContainerMenu createMenu(int syncId, Inventory playerInventory, Player player) {
-                    return new CancerMeterScreenHandler(syncId, playerInventory, new CancerMeterInventory(stack, player, screenID));
-                }
-            });
-        }
-    }
-
-    private InventoryImproved createInventory(int size) {
-        return new InventoryImproved(NonNullList.withSize(size, ItemStack.EMPTY)) {
-            @Override
-            public void setChanged() {
-                markDataDirty(COMBINED_INVENTORY_DATA);
-            }
-        };
-    }
-
-    private static CompoundTag writeNbt(CompoundTag nbt, NonNullList<ItemStack> stacks, boolean setIfEmpty) {
-        ListTag nbtList = new ListTag();
-        for (int i = 0; i < stacks.size(); ++i) {
-            ItemStack itemStack = stacks.get(i);
-            if (!itemStack.isEmpty()) {
-                CompoundTag nbtCompound = new CompoundTag();
-                nbtCompound.putByte("Slot", (byte)i);
-                itemStack.save(nbtCompound);
-                nbtList.add(nbtCompound);
-            }
-        }
-
-        if (!nbtList.isEmpty() || setIfEmpty) {
-            nbt.put("Inventory", nbtList);
-        }
-
-        return nbt;
-    }
-
-    private static void readNbt(CompoundTag nbt, NonNullList<ItemStack> stacks) {
-        ListTag nbtList = nbt.getList("Inventory", 10);
-
-        for(int i = 0; i < nbtList.size(); ++i) {
-            CompoundTag nbtCompound = nbtList.getCompound(i);
-            int j = nbtCompound.getByte("Slot") & 255;
-            if (j >= 0 && j < stacks.size()) {
-                stacks.set(j, ItemStack.of(nbtCompound));
-            }
-        }
-    }
-}

src/main/java/xyz/naomieow/asbestos/inventory/ICancerMeterInventory.java

···
-package xyz.naomieow.asbestos.inventory;
-
-import net.minecraft.nbt.CompoundTag;
-import net.minecraft.world.entity.player.Player;
-import net.minecraft.world.item.ItemStack;
-import net.minecraft.world.level.Level;
-
-public interface ICancerMeterInventory {
-    void writeItems(CompoundTag nbt);
-    void readItems(CompoundTag nbt);
-    void writeAllData(CompoundTag nbt);
-    void readAllData(CompoundTag nbt);
-    InventoryImproved getInventory();
-    byte getScreenID();
-    Level getWorld();
-    ItemStack getItemStack();
-    void setUsingPlayer(Player player);
-
-    byte INVENTORY_DATA = 0;
-    byte COMBINED_INVENTORY_DATA = 1;
-    byte SLOT_DATA = 2;
-    byte ALL_DATA = 3;
-
-    void markDataDirty(byte... dataIds);
-    void markDirty();
-}

src/main/java/xyz/naomieow/asbestos/inventory/InventoryImproved.java

···
-package xyz.naomieow.asbestos.inventory;
-
-import net.minecraft.core.NonNullList;
-import net.minecraft.world.Container;
-import net.minecraft.world.ContainerHelper;
-import net.minecraft.world.entity.player.Player;
-import net.minecraft.world.item.ItemStack;
-import xyz.naomieow.asbestos.item.ModItems;
-
-/*
-Originally by Tiviacz1337<br>
-https://github.com/Tiviacz1337/Travelers-Backpack/blob/1.20.1-fabric/src/main/java/com/tiviacz/travelersbackpack/inventory/InventoryImproved.java
-*/
-public abstract class InventoryImproved implements Container
-{
-    protected final NonNullList<ItemStack> stacks;
-
-    public InventoryImproved(NonNullList<ItemStack> stacks)
-    {
-        this.stacks = stacks;
-    }
-
-    public NonNullList<ItemStack> getStacks()
-    {
-        return this.stacks;
-    }
-
-    @Override
-    public int getContainerSize()
-    {
-        return this.stacks.size();
-    }
-
-    @Override
-    public boolean isEmpty()
-    {
-        for(int i = 0; i < getContainerSize(); i++)
-        {
-            if(!getItem(i).isEmpty())
-            {
-                return false;
-            }
-        }
-        return true;
-    }
-
-    @Override
-    public ItemStack getItem(int slot)
-    {
-        return this.stacks.get(slot);
-    }
-
-    @Override
-    public ItemStack removeItem(int slot, int amount)
-    {
-        ItemStack itemstack = ContainerHelper.removeItem(this.stacks, slot, amount);
-
-        if(!itemstack.isEmpty())
-        {
-            this.setChanged();
-        }
-        return itemstack;
-    }
-
-    @Override
-    public ItemStack removeItemNoUpdate(int slot)
-    {
-        ItemStack itemStack = this.stacks.get(slot);
-        if(itemStack.isEmpty())
-        {
-            return ItemStack.EMPTY;
-        }
-        else
-        {
-            this.stacks.set(slot, ItemStack.EMPTY);
-            return itemStack;
-        }
-    }
-
-    @Override
-    public void setItem(int slot, ItemStack stack)
-    {
-        this.stacks.set(slot, stack);
-        if(!stack.isEmpty() && stack.getCount() > this.getMaxStackSize())
-        {
-            stack.setCount(this.getMaxStackSize());
-        }
-
-        this.setChanged();
-    }
-
-    @Override
-    public abstract void setChanged();
-
-    @Override
-    public boolean canPlaceItem(int slot, ItemStack stack)
-    {
-        return !(stack.getItem() == ModItems.CANCER_METER);
-    }
-
-    @Override
-    public boolean stillValid(Player player)
-    {
-        return true;
-    }
-
-    @Override
-    public void clearContent()
-    {
-
-    }
-}

src/main/java/xyz/naomieow/asbestos/item/CancerMeterItem.java

···
-package xyz.naomieow.asbestos.item;
-
-import net.minecraft.world.InteractionHand;
-import net.minecraft.world.InteractionResultHolder;
-import net.minecraft.world.entity.player.Player;
-import net.minecraft.world.item.Item;
-import net.minecraft.world.item.ItemStack;
-import net.minecraft.world.level.Level;
-import xyz.naomieow.asbestos.inventory.CancerMeterInventory;
-
-public class CancerMeterItem extends Item {
-    public CancerMeterItem(Properties settings) {
-        super(settings);
-    }
-
-    @Override
-    public InteractionResultHolder<ItemStack> use(Level world, Player user, InteractionHand hand) {
-        ItemStack itemStack = user.getItemInHand(hand);
-        if (hand == InteractionHand.OFF_HAND) {
-            return InteractionResultHolder.fail(itemStack);
-        }
-
-        if (!world.isClientSide()) {
-            CancerMeterInventory.openHandledScreen(user, user.getMainHandItem(), (byte) 1);
-        }
-        return InteractionResultHolder.sidedSuccess(itemStack, world.isClientSide());
-    }
-}

src/main/java/xyz/naomieow/asbestos/item/EmptySyringeItem.java

···
-package xyz.naomieow.asbestos.item;
-
-import net.minecraft.sounds.SoundEvents;
-import net.minecraft.sounds.SoundSource;
-import net.minecraft.world.InteractionHand;
-import net.minecraft.world.InteractionResult;
-import net.minecraft.world.InteractionResultHolder;
-import net.minecraft.world.entity.LivingEntity;
-import net.minecraft.world.entity.player.Player;
-import net.minecraft.world.item.Item;
-import net.minecraft.world.item.ItemStack;
-import net.minecraft.world.level.Level;
-import xyz.naomieow.asbestos.AsbestosMod;
-import xyz.naomieow.asbestos.damage.ModDamageTypes;
-
-public class EmptySyringeItem extends Item {
-    public EmptySyringeItem(Properties settings) {
-        super(settings);
-    }
-
-    @Override
-    public InteractionResultHolder<ItemStack> use(Level world, Player user, InteractionHand hand) {
-        useEmptySyringe(user, user, hand, world);
-        return InteractionResultHolder.consume(user.getItemInHand(hand));
-    }
-
-    @Override
-    public InteractionResult interactLivingEntity(ItemStack stack, Player user, LivingEntity entity, InteractionHand hand) {
-        Level world = user.level();
-        useEmptySyringe(user, entity, hand, world);
-        return InteractionResult.CONSUME;
-    }
-
-
-    private void useEmptySyringe(Player user, LivingEntity target, InteractionHand hand, Level world) {
-        world.playSound(null, user.blockPosition(), SoundEvents.BOTTLE_FILL, SoundSource.PLAYERS, 1.0F, 1.0F);
-        ItemStack handStack = user.getItemInHand(hand);
-        ItemStack newStack = new ItemStack(ModItems.FILLED_SYRINGE, 1);
-        newStack.setTag(handStack.getOrCreateTag().copy());
-        FilledSyringeItem.writeNbt(target, newStack);
-        target.hurt(ModDamageTypes.of(user.level(), ModDamageTypes.BLOOD_EXTRACT), AsbestosMod.CONFIG.exsanguination());
-        if (!user.getInventory().add(newStack)) {
-            user.drop(newStack, false);
-        }
-        if (!user.getAbilities().instabuild) {
-            handStack.shrink(1);
-        }
-    }
-}

src/main/java/xyz/naomieow/asbestos/item/FilledSyringeItem.java

···
-package xyz.naomieow.asbestos.item;
-
-import net.minecraft.ChatFormatting;
-import net.minecraft.nbt.CompoundTag;
-import net.minecraft.network.chat.Component;
-import net.minecraft.world.entity.EntityType;
-import net.minecraft.world.entity.LivingEntity;
-import net.minecraft.world.entity.player.Player;
-import net.minecraft.world.item.Item;
-import net.minecraft.world.item.ItemStack;
-import xyz.naomieow.asbestos.AsbestosMod;
-
-public class FilledSyringeItem extends Item {
-    private static final String TYPE_KEY = "EntityType";
-    private static final String CANCER_KEY = "CancerMeter";
-    public FilledSyringeItem(Properties settings) {
-        super(settings);
-    }
-
-
-    public static void writeNbt(LivingEntity target, ItemStack syringe) {
-        CompoundTag nbt = syringe.getOrCreateTag();
-        syringe.setHoverName(Component.translatable("item.asbestos.filled_syringe", target.getName()).withStyle(ChatFormatting.RESET));
-        nbt.putString(TYPE_KEY, EntityType.getKey(target.getType()).toString());
-        if (target instanceof Player player) {
-            nbt.putInt(CANCER_KEY, AsbestosMod.MESOTHELIOMA.get(player).getMesothelioma());
-        }
-    }
-}

src/main/java/xyz/naomieow/asbestos/item/ModGroups.java

···
-package xyz.naomieow.asbestos.item;
-
-import io.wispforest.owo.itemgroup.Icon;
-import io.wispforest.owo.itemgroup.OwoItemGroup;
-import net.minecraft.resources.ResourceLocation;
-import xyz.naomieow.asbestos.AsbestosMod;
-
-public class ModGroups {
-    public static final OwoItemGroup ASBESTOS_GROUP = OwoItemGroup
-            .builder(new ResourceLocation(AsbestosMod.MOD_ID, "asbestos_group"), () -> Icon.of(ModItems.ASBESTOS_FIBERS))
-            .build();
-
-    public static void init() {
-        ASBESTOS_GROUP.initialize();
-    }
-}

src/main/java/xyz/naomieow/asbestos/item/ModItems.java

···
-package xyz.naomieow.asbestos.item;
-
-import io.wispforest.owo.itemgroup.OwoItemSettings;
-import io.wispforest.owo.registration.reflect.ItemRegistryContainer;
-import net.minecraft.world.effect.MobEffectInstance;
-import net.minecraft.world.effect.MobEffects;
-import net.minecraft.world.food.FoodProperties;
-import net.minecraft.world.item.ArmorItem;
-import net.minecraft.world.item.Item;
-import net.minecraft.world.item.TieredItem;
-import xyz.naomieow.asbestos.armour.ProtectiveMaterial;
-
-public class ModItems implements ItemRegistryContainer {
-    public static final Item ASBESTOS_FIBERS = new Item(
-            new OwoItemSettings()
-                    .group(ModGroups.ASBESTOS_GROUP)
-                    .fireResistant()
-                    .food(new FoodProperties.Builder().alwaysEat().effect(
-                            new MobEffectInstance(MobEffects.WITHER, 30 * 20, 4, false, false), 1.0f)
-                            .build()));
-
-    public static final TieredItem IRON_SCRAPER = new ScraperItem(ScraperItemMaterial.INSTANCE, 0.0f, -3.0f,
-            new OwoItemSettings().group(ModGroups.ASBESTOS_GROUP));
-
-    public static final Item FILLED_SYRINGE = new FilledSyringeItem(new OwoItemSettings().group(ModGroups.ASBESTOS_GROUP).stacksTo(1));
-    public static final Item EMPTY_SYRINGE = new EmptySyringeItem(new OwoItemSettings().group(ModGroups.ASBESTOS_GROUP).stacksTo(16));
-    public static final Item CANCER_METER = new CancerMeterItem(new OwoItemSettings().group(ModGroups.ASBESTOS_GROUP).stacksTo(1));
-
-    public static final Item PPE_HELMET = new ArmorItem(
-            ProtectiveMaterial.INSTANCE, ArmorItem.Type.HELMET,
-            new OwoItemSettings().group(ModGroups.ASBESTOS_GROUP)
-    );
-    public static final Item PPE_CHESTPLATE = new ArmorItem(
-            ProtectiveMaterial.INSTANCE, ArmorItem.Type.CHESTPLATE,
-            new OwoItemSettings().group(ModGroups.ASBESTOS_GROUP)
-    );
-    public static final Item PPE_LEGGINGS = new ArmorItem(
-            ProtectiveMaterial.INSTANCE, ArmorItem.Type.LEGGINGS,
-            new OwoItemSettings().group(ModGroups.ASBESTOS_GROUP)
-    );
-    public static final Item PPE_BOOTS = new ArmorItem(
-            ProtectiveMaterial.INSTANCE, ArmorItem.Type.BOOTS,
-            new OwoItemSettings().group(ModGroups.ASBESTOS_GROUP)
-    );
-}

src/main/java/xyz/naomieow/asbestos/item/ScraperItem.java

···
-package xyz.naomieow.asbestos.item;
-
-import net.minecraft.core.registries.Registries;
-import net.minecraft.resources.ResourceLocation;
-import net.minecraft.tags.TagKey;
-import net.minecraft.world.item.DiggerItem;
-import net.minecraft.world.item.Tier;
-import net.minecraft.world.level.block.Block;
-import xyz.naomieow.asbestos.AsbestosMod;
-
-public class ScraperItem extends DiggerItem {
-    private static TagKey<Block> affectedBlocks = TagKey.create(Registries.BLOCK, new ResourceLocation(AsbestosMod.MOD_ID, "scrapable"));
-
-    public ScraperItem(Tier material, float attackDamage, float attackSpeed, Properties settings) {
-        super(attackDamage, attackSpeed, material, affectedBlocks, settings);
-    }
-}

src/main/java/xyz/naomieow/asbestos/item/ScraperItemMaterial.java

···
-package xyz.naomieow.asbestos.item;
-
-import net.minecraft.world.item.Items;
-import net.minecraft.world.item.Tier;
-import net.minecraft.world.item.crafting.Ingredient;
-
-public class ScraperItemMaterial implements Tier {
-
-    public static final ScraperItemMaterial INSTANCE = new ScraperItemMaterial();
-
-    @Override
-    public int getUses() {
-        return 300;
-    }
-
-    @Override
-    public float getSpeed() {
-        return 5.0f;
-    }
-
-    @Override
-    public float getAttackDamageBonus() {
-        return 2.5f;
-    }
-
-    @Override
-    public int getLevel() {
-        return 1;
-    }
-
-    @Override
-    public int getEnchantmentValue() {
-        return 10;
-    }
-
-    @Override
-    public Ingredient getRepairIngredient() {
-        return Ingredient.of(Items.IRON_INGOT);
-    }
-}

src/main/java/xyz/naomieow/asbestos/mesothelioma/MesoComponent.java

···
-package xyz.naomieow.asbestos.mesothelioma;
-
-import dev.onyxstudios.cca.api.v3.component.ComponentV3;
-
-public interface MesoComponent extends ComponentV3 {
-    int getMesothelioma();
-    void setMesothelioma(int exposure);
-}

src/main/java/xyz/naomieow/asbestos/mesothelioma/MesoStatusEffect.java

···
-package xyz.naomieow.asbestos.mesothelioma;
-
-import net.minecraft.world.effect.MobEffect;
-import net.minecraft.world.effect.MobEffectCategory;
-import net.minecraft.world.effect.MobEffectInstance;
-import net.minecraft.world.effect.MobEffects;
-import net.minecraft.world.entity.LivingEntity;
-import net.minecraft.world.entity.player.Player;
-import xyz.naomieow.asbestos.AsbestosMod;
-import xyz.naomieow.asbestos.damage.ModDamageTypes;
-
-public class MesoStatusEffect extends MobEffect {
-    public MesoStatusEffect() {
-        super(MobEffectCategory.HARMFUL, 0x302412);
-    }
-
-    @Override
-    public boolean isDurationEffectTick(int duration, int amplifier) {
-        return true;
-    }
-
-    @Override
-    public void applyEffectTick(LivingEntity entity, int amplifier) {
-        super.applyEffectTick(entity, amplifier);
-        if (entity instanceof Player playerEntity) {
-            int exposure = AsbestosMod.MESOTHELIOMA.get(playerEntity).getMesothelioma();
-            if (exposure >= (AsbestosMod.CONFIG.threshold() / 1.5)) {
-                playerEntity.addEffect(new MobEffectInstance(MobEffects.MOVEMENT_SLOWDOWN, -1, 1));
-            }
-
-            if (exposure >= AsbestosMod.CONFIG.threshold()) {
-                playerEntity.hurt(ModDamageTypes.of(playerEntity.level(), ModDamageTypes.MESOTHELIOMA), 1 << amplifier);
-            }
-        }
-    }
-}

src/main/java/xyz/naomieow/asbestos/mesothelioma/PlayerMesoComponet.java

···
-package xyz.naomieow.asbestos.mesothelioma;
-
-import dev.onyxstudios.cca.api.v3.component.sync.AutoSyncedComponent;
-import net.minecraft.nbt.CompoundTag;
-import net.minecraft.world.entity.player.Player;
-import xyz.naomieow.asbestos.AsbestosMod;
-
-public class PlayerMesoComponet implements MesoComponent, AutoSyncedComponent {
-    private Player playerEntity;
-    private int mesothelioma;
-
-    public PlayerMesoComponet(Player playerEntity) {
-        this.playerEntity = playerEntity;
-        this.mesothelioma = 0;
-    }
-
-    @Override
-    public int getMesothelioma() {
-        return this.mesothelioma;
-    }
-
-    @Override
-    public void setMesothelioma(int exposure) {
-        this.mesothelioma = exposure;
-        AsbestosMod.MESOTHELIOMA.sync(playerEntity);
-    }
-
-    @Override
-    public void readFromNbt(CompoundTag tag) {
-        this.mesothelioma = tag.getInt("mesothelioma");
-    }
-
-    @Override
-    public void writeToNbt(CompoundTag tag) {
-        tag.putInt("mesothelioma", this.mesothelioma);
-    }
-}

src/main/java/xyz/naomieow/asbestos/screen/CancerMeterScreen.java

···
-package xyz.naomieow.asbestos.screen;
-
-import net.fabricmc.api.EnvType;
-import net.fabricmc.api.Environment;
-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.world.entity.player.Inventory;
-import xyz.naomieow.asbestos.AsbestosMod;
-import xyz.naomieow.asbestos.screen.util.MouseUtil;
-
-import java.util.List;
-import java.util.Optional;
-
-@Environment(EnvType.CLIENT)
-public class CancerMeterScreen extends AbstractContainerScreen<CancerMeterScreenHandler> {
-    private static final ResourceLocation TEXTURE = new ResourceLocation(AsbestosMod.MOD_ID, "textures/gui/cancer_meter.png");
-    CancerMeterScreenHandler screenHandler;
-
-    public CancerMeterScreen(CancerMeterScreenHandler handler, Inventory inventory, Component title) {
-        super(handler, inventory, title);
-        screenHandler = handler;
-    }
-    //109, 56 -- 176, 56 -- 58x7
-
-    @Override
-    protected void renderBg(GuiGraphics context, float delta, int mouseX, int mouseY) {
-        int x = (width - imageWidth) / 2;
-        int y = (height - imageHeight) / 2;
-        context.blit(TEXTURE, x, y, 0, 0, imageWidth, imageHeight);
-        drawCancerProgress(context, x + 109, y + 56);
-    }
-
-    @Override
-    protected void renderLabels(GuiGraphics context, int mouseX, int mouseY) {
-        int x = (width - imageWidth) / 2;
-        int y = (height - imageHeight) / 2;
-
-        if (isMouseAboveArea(mouseX, mouseY, x, y, 108, 55, 58, 7)) {
-            context.renderTooltip(
-                    font,
-                    List.of(Component.literal(screenHandler.getCancerMeter() + "/" + AsbestosMod.CONFIG.threshold())),
-                    Optional.empty(),
-                    mouseX - x,
-                    mouseY - y
-            );
-        }
-        context.drawString(this.font, this.playerInventoryTitle, this.inventoryLabelX, this.inventoryLabelY + 2, 4210752, false);
-    }
-
-    private void drawCancerProgress(GuiGraphics context, int x, int y) {
-        int offset = screenHandler.getCancerMeter() * 58 / AsbestosMod.CONFIG.threshold();
-        context.blit(TEXTURE,
-                x, y,
-                176, 56,
-                offset, 7);
-    }
-
-    @Override
-    public void render(GuiGraphics context, int mouseX, int mouseY, float delta) {
-        renderBackground(context);
-        super.render(context, mouseX, mouseY, delta);
-        renderTooltip(context, mouseX, mouseY);
-    }
-
-    private boolean isMouseAboveArea(
-            int mouseX, int mouseY,
-            int x, int y,
-            int offsetX, int offsetY,
-            int width, int height
-    ) {
-        return MouseUtil.isMouseOver(
-                mouseX, mouseY,
-                x + offsetX, y + offsetY,
-                width, height
-        );
-    }
-
-}

src/main/java/xyz/naomieow/asbestos/screen/CancerMeterScreenHandler.java

···
-package xyz.naomieow.asbestos.screen;
-
-import xyz.naomieow.asbestos.inventory.CancerMeterInventory;
-import xyz.naomieow.asbestos.inventory.ICancerMeterInventory;
-import xyz.naomieow.asbestos.item.CancerMeterItem;
-import xyz.naomieow.asbestos.item.ModItems;
-
-import java.util.Objects;
-import net.minecraft.nbt.CompoundTag;
-import net.minecraft.network.FriendlyByteBuf;
-import net.minecraft.world.entity.EquipmentSlot;
-import net.minecraft.world.entity.player.Inventory;
-import net.minecraft.world.entity.player.Player;
-import net.minecraft.world.inventory.AbstractContainerMenu;
-import net.minecraft.world.inventory.MenuType;
-import net.minecraft.world.inventory.Slot;
-import net.minecraft.world.item.ItemStack;
-
-public class CancerMeterScreenHandler extends AbstractContainerMenu {
-    private final int INVENTORY_START = 1, INVENTORY_END = 28, HOTBAR_START = 28, HOTBAR_END = 37;
-
-    public Inventory playerInventory;
-    public ICancerMeterInventory inventory;
-
-    public CancerMeterScreenHandler(int syncId, Inventory playerInventory, FriendlyByteBuf buf) {
-        this(syncId, playerInventory, createInventory(playerInventory, buf));
-    }
-
-    private CancerMeterScreenHandler(MenuType<?> type, int syncId, Inventory playerInventory, ICancerMeterInventory inventory) {
-        super(type, syncId);
-        this.playerInventory = playerInventory;
-        this.inventory = inventory;
-
-        this.addSlot(new Slot(inventory.getInventory(), 0, 80, 54) {
-            @Override
-            public boolean mayPlace(ItemStack stack) {
-                return stack.is(ModItems.FILLED_SYRINGE);
-            }
-        });
-
-        this.addPlayerInventory(playerInventory);
-        this.addPlayerHotbar(playerInventory);
-    }
-
-    public CancerMeterScreenHandler(int syncId, Inventory playerInventory, ICancerMeterInventory inventory) {
-        this(ModHandlers.CANCER_METER, syncId, playerInventory, inventory);
-    }
-
-    private static CancerMeterInventory createInventory(final Inventory playerInventory, final FriendlyByteBuf buf) {
-        Objects.requireNonNull(playerInventory);
-        Objects.requireNonNull(buf);
-
-        final ItemStack stack;
-        final byte screenID = buf.readByte();
-
-        if (screenID == 1) {
-            stack = playerInventory.player.getItemBySlot(EquipmentSlot.MAINHAND);
-        } else {
-            stack = ItemStack.EMPTY;
-        }
-
-        if (stack.getItem() instanceof CancerMeterItem) {
-            if (screenID == 1) {
-                return new CancerMeterInventory(stack, playerInventory.player, screenID);
-            }
-        }
-        throw new IllegalStateException("Incorrect ItemStack " + stack);
-    }
-
-
-    @Override
-    public ItemStack quickMoveStack(Player player, int slotIndex) {
-        ItemStack itemStack = ItemStack.EMPTY;
-        Slot slot = this.slots.get(slotIndex);
-        if (slot.hasItem()) {
-            ItemStack stackInSlot = slot.getItem();
-            itemStack = stackInSlot.copy();
-            if (slotIndex == 0) {
-                if (!this.moveItemStackTo(stackInSlot, INVENTORY_START, HOTBAR_END, true)) {
-                    return ItemStack.EMPTY;
-                }
-                slot.onQuickCraft(stackInSlot, itemStack);
-            } else if (itemStack.is(ModItems.FILLED_SYRINGE)) {
-                if (!this.moveItemStackTo(stackInSlot, 0, 1, false)) {
-                    return ItemStack.EMPTY;
-                }
-            } else if (slotIndex >= INVENTORY_START && slotIndex < INVENTORY_END) {
-                if (!this.moveItemStackTo(stackInSlot, HOTBAR_START, HOTBAR_END, false)) {
-                    return ItemStack.EMPTY;
-                }
-            } else if (slotIndex >= HOTBAR_START && slotIndex < HOTBAR_END) {
-                if (!this.moveItemStackTo(stackInSlot, INVENTORY_START, INVENTORY_END, false)) {
-                    return ItemStack.EMPTY;
-                }
-            } else {
-                if (!this.moveItemStackTo(stackInSlot, INVENTORY_START, HOTBAR_END, false)) {
-                    return ItemStack.EMPTY;
-                }
-            }
-
-            if (stackInSlot.isEmpty()) {
-                slot.setByPlayer(ItemStack.EMPTY);
-            } else {
-                slot.setChanged();
-            }
-
-            if (stackInSlot.getCount() == itemStack.getCount()) {
-                return ItemStack.EMPTY;
-            }
-
-            slot.onTake(player, stackInSlot);
-
-            if (slotIndex == 0) {
-                player.drop(stackInSlot, false);
-            }
-        }
-        return itemStack;
-    }
-
-    @Override
-    public boolean stillValid(Player player) {
-        return true;
-    }
-
-    private void addPlayerInventory(Inventory inventory) {
-        for (int row = 0; row < 3; ++row) {
-            for (int column = 0; column < 9; ++column) {
-                this.addSlot(new Slot(inventory, column + row * 9 + 9, 8 + column * 18, 84 + row * 18));
-            }
-        }
-    }
-
-    private void addPlayerHotbar(Inventory inventory) {
-        for (int slot = 0; slot < 9; ++slot) {
-            this.addSlot(new Slot(inventory, slot, 8 + slot * 18, 142));
-        }
-    }
-
-    public int getCancerMeter() {
-        CompoundTag nbt = this.inventory.getInventory().getItem(0).getOrCreateTag();
-        return nbt.contains("CancerMeter") ? nbt.getInt("CancerMeter") : 0;
-    }
-}

src/main/java/xyz/naomieow/asbestos/screen/ModHandlers.java

···
-package xyz.naomieow.asbestos.screen;
-
-import io.wispforest.owo.registration.reflect.AutoRegistryContainer;
-import net.fabricmc.fabric.api.screenhandler.v1.ExtendedScreenHandlerType;
-import net.minecraft.core.Registry;
-import net.minecraft.core.registries.BuiltInRegistries;
-import net.minecraft.world.inventory.MenuType;
-
-public class ModHandlers implements AutoRegistryContainer<MenuType<?>> {
-    public static final MenuType<CancerMeterScreenHandler> CANCER_METER =
-            new ExtendedScreenHandlerType<>(CancerMeterScreenHandler::new);
-
-
-    @Override
-    public Registry<MenuType<?>> getRegistry() {
-        return BuiltInRegistries.MENU;
-    }
-
-    @Override
-    public Class<MenuType<?>> getTargetFieldType() {
-        return (Class<MenuType<?>>) (Object) MenuType.class;
-    }
-
-}

src/main/java/xyz/naomieow/asbestos/screen/util/MouseUtil.java

···
-package xyz.naomieow.asbestos.screen.util;
-
-public class MouseUtil {
-    public static boolean isMouseOver(double mouseX, double mouseY, int x, int y) {
-        return isMouseOver(mouseX, mouseY, x, y, 16);
-    }
-
-    public static boolean isMouseOver(double mouseX, double mouseY, int x, int y, int size) {
-        return isMouseOver(mouseX, mouseY, x, y, size, size);
-    }
-
-    public static boolean isMouseOver(double mouseX, double mouseY, int x, int y, int sizeX, int sizeY) {
-        return (mouseX >= x && mouseX <= x + sizeX) && (mouseY >= y && mouseY <= y + sizeY);
-    }
-}

src/main/kotlin/xyz/naomieow/asbestos/AsbestosMod.kt

···
+package xyz.naomieow.asbestos
+
+import dev.onyxstudios.cca.api.v3.component.ComponentKey
+import dev.onyxstudios.cca.api.v3.component.ComponentRegistryV3
+import dev.onyxstudios.cca.api.v3.entity.EntityComponentFactoryRegistry
+import dev.onyxstudios.cca.api.v3.entity.EntityComponentInitializer
+import io.wispforest.owo.registration.reflect.FieldRegistrationHandler
+import net.fabricmc.api.ModInitializer
+import net.fabricmc.fabric.api.biome.v1.BiomeModifications
+import net.fabricmc.fabric.api.biome.v1.BiomeSelectors
+import net.minecraft.core.Registry
+import net.minecraft.core.registries.BuiltInRegistries
+import net.minecraft.core.registries.Registries
+import net.minecraft.resources.ResourceKey
+import net.minecraft.resources.ResourceLocation
+import net.minecraft.world.effect.MobEffect
+import net.minecraft.world.level.block.Block
+import net.minecraft.world.level.levelgen.GenerationStep
+import net.minecraft.world.level.levelgen.placement.PlacedFeature
+import xyz.naomieow.asbestos.block.ModBlocks
+import xyz.naomieow.asbestos.config.AsbestosConfig
+import xyz.naomieow.asbestos.item.ModGroups
+import xyz.naomieow.asbestos.item.ModItems
+import xyz.naomieow.asbestos.mesothelioma.IMesoComponent
+import xyz.naomieow.asbestos.mesothelioma.MesoStatusEffect
+import xyz.naomieow.asbestos.screen.ModHandlers
+
+
+object AsbestosMod: ModInitializer, EntityComponentInitializer {
+    const val MOD_ID: String = "asbestos"
+    val MESOTHELIOMA: ComponentKey<IMesoComponent> = ComponentRegistryV3.INSTANCE.getOrCreate(
+        ResourceLocation(MOD_ID, "mesothelioma"),
+        IMesoComponent::class.java
+    )
+    val CONFIG: AsbestosConfig = AsbestosConfig.createAndLoad()
+    val MESO_STATUS: MobEffect = MesoStatusEffect()
+    val HARMFUL_PASSIVE_BLOCKS: Array<Block?> = arrayOf(ModBlocks.ASBESTOS_BLOCK)
+    val SERPENTINITE_PLACED_KEY: ResourceKey<PlacedFeature> = ResourceKey.create(
+        Registries.PLACED_FEATURE,
+        ResourceLocation(MOD_ID, "serpentinite")
+    )
+
+    override fun registerEntityComponentFactories(registry: EntityComponentFactoryRegistry) {
+        TODO("Not yet implemented")
+    }
+
+    override fun onInitialize() {
+        FieldRegistrationHandler.register(ModItems::class.java, MOD_ID, false)
+        FieldRegistrationHandler.register(ModBlocks::class.java, MOD_ID, false)
+        FieldRegistrationHandler.register(ModHandlers::class.java, MOD_ID, false)
+
+        Registry.register(
+            BuiltInRegistries.MOB_EFFECT,
+            ResourceLocation(MOD_ID, "mesothelioma"),
+            MESO_STATUS
+        )
+
+        BiomeModifications.addFeature(
+            BiomeSelectors.foundInOverworld(),
+            GenerationStep.Decoration.UNDERGROUND_ORES,
+            SERPENTINITE_PLACED_KEY
+        )
+
+        ModGroups.init()
+        ModScheduler.init()
+    }
+}

src/main/kotlin/xyz/naomieow/asbestos/AsbestosModClient.kt

···
+package xyz.naomieow.asbestos
+
+import net.fabricmc.api.ClientModInitializer
+import net.fabricmc.api.EnvType
+import net.fabricmc.api.Environment
+import net.minecraft.client.gui.screens.MenuScreens
+import xyz.naomieow.asbestos.screen.CancerMeterScreen
+import xyz.naomieow.asbestos.screen.ModHandlers
+
+@Environment(EnvType.CLIENT)
+class AsbestosModClient : ClientModInitializer {
+    override fun onInitializeClient() {
+        MenuScreens.register(ModHandlers.CANCER_METER, ::CancerMeterScreen)
+    }
+
+}

src/main/kotlin/xyz/naomieow/asbestos/ModScheduler.kt

···
+package xyz.naomieow.asbestos
+
+import net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents
+import net.minecraft.core.BlockPos
+import net.minecraft.server.MinecraftServer
+import net.minecraft.server.level.ServerLevel
+import net.minecraft.server.level.ServerPlayer
+import net.minecraft.world.effect.MobEffectInstance
+import xyz.naomieow.asbestos.block.CarcinogenicBlock
+import java.util.function.Consumer
+
+object ModScheduler {
+    fun init() {
+        ServerTickEvents.END_SERVER_TICK.register(ServerTickEvents.EndTick { server: MinecraftServer ->
+            if (server.tickCount % (AsbestosMod.CONFIG.period * 20) == 0) {
+                server.allLevels.forEach(Consumer { level: ServerLevel ->
+                    level.players().forEach(
+                        Consumer { player: ServerPlayer ->
+                            val exposure = AsbestosMod.MESOTHELIOMA.get(player).mesothelioma
+                            if (exposure >= (AsbestosMod.CONFIG.threshold / 2)) {
+                                player.addEffect(MobEffectInstance(AsbestosMod.MESO_STATUS, -1))
+                            }
+
+                            if (CarcinogenicBlock.isProtectedFromAsbestos(player)) {
+                                return@Consumer
+                            }
+
+                            val offset = AsbestosMod.CONFIG.offset
+                            findasbestos@ for (i in -offset..< offset) {
+                                for (j in -offset..< offset) {
+                                    for (k in -offset..< offset) {
+                                        val offsetPos = player.position()
+                                            .add(i.toDouble(), j.toDouble(), k.toDouble())
+                                        val pos = BlockPos(
+                                            offsetPos.x().toInt(),
+                                            offsetPos.y().toInt(),
+                                            offsetPos.z().toInt()
+                                        )
+                                        val block = level.getBlockState(pos).block
+                                        if (listOf(*AsbestosMod.HARMFUL_PASSIVE_BLOCKS)
+                                                .contains(block)
+                                        ) {
+                                            AsbestosMod.MESOTHELIOMA.get(player).mesothelioma = exposure + 1
+                                            break@findasbestos
+                                        }
+                                    }
+                                }
+                            }
+                        })
+                })
+            }
+        })
+    }
+}

src/main/kotlin/xyz/naomieow/asbestos/armor/ProtectiveMaterial.kt

···
+package xyz.naomieow.asbestos.armor
+
+import net.minecraft.sounds.SoundEvent
+import net.minecraft.sounds.SoundEvents
+import net.minecraft.world.item.ArmorItem
+import net.minecraft.world.item.ArmorMaterial
+import net.minecraft.world.item.Items
+import net.minecraft.world.item.crafting.Ingredient
+
+class ProtectiveMaterial : ArmorMaterial {
+    override fun getDurabilityForType(type: ArmorItem.Type): Int {
+        return BASE_DURABILITY[type.slot.index]
+    }
+
+    override fun getDefenseForType(type: ArmorItem.Type): Int {
+        return PROTECTION_VALUES[type.slot.index]
+    }
+
+    override fun getEnchantmentValue(): Int {
+        return 4
+    }
+
+    override fun getEquipSound(): SoundEvent {
+        return SoundEvents.WOOL_HIT
+    }
+
+    override fun getRepairIngredient(): Ingredient {
+        return Ingredient.of(Items.STRING)
+    }
+
+    override fun getName(): String {
+        return "asbestos_protective"
+    }
+
+    override fun getToughness(): Float {
+        return 0f
+    }
+
+    override fun getKnockbackResistance(): Float {
+        return 0f
+    }
+
+    companion object {
+        private val BASE_DURABILITY = intArrayOf(13, 15, 16, 11)
+        private val PROTECTION_VALUES = intArrayOf(1, 1, 2, 1)
+
+        val INSTANCE: ProtectiveMaterial = ProtectiveMaterial()
+    }
+}

src/main/kotlin/xyz/naomieow/asbestos/block/AsbestosRoofBlock.kt

···
+package xyz.naomieow.asbestos.block
+
+import net.fabricmc.api.EnvType
+import net.fabricmc.api.Environment
+import net.fabricmc.fabric.api.blockrenderlayer.v1.BlockRenderLayerMap
+import net.fabricmc.loader.api.FabricLoader
+import net.minecraft.client.renderer.RenderType
+import net.minecraft.core.BlockPos
+import net.minecraft.core.Direction
+import net.minecraft.world.item.context.BlockPlaceContext
+import net.minecraft.world.level.BlockGetter
+import net.minecraft.world.level.block.Block
+import net.minecraft.world.level.block.state.BlockState
+import net.minecraft.world.level.block.state.StateDefinition
+import net.minecraft.world.level.block.state.properties.BlockStateProperties
+import net.minecraft.world.phys.shapes.CollisionContext
+import net.minecraft.world.phys.shapes.Shapes
+import net.minecraft.world.phys.shapes.VoxelShape
+
+class AsbestosRoofBlock(settings: Properties, dangerLevel: Int) : CarcinogenicBlock(settings, dangerLevel) {
+    init {
+        registerDefaultState(
+            this.getStateDefinition().any()
+                .setValue<Direction?, Direction?>(BlockStateProperties.HORIZONTAL_FACING, Direction.NORTH)
+        )
+        if (FabricLoader.getInstance().environmentType != EnvType.SERVER) {
+            BlockRenderLayerMap.INSTANCE.putBlock(this, RenderType.cutout())
+        }
+    }
+
+    override fun createBlockStateDefinition(builder: StateDefinition.Builder<Block?, BlockState?>) {
+        builder.add(BlockStateProperties.HORIZONTAL_FACING)
+    }
+
+    @Deprecated("Deprecated in Java")
+    override fun getShape(
+        state: BlockState,
+        world: BlockGetter,
+        pos: BlockPos,
+        context: CollisionContext
+    ): VoxelShape {
+        val dir = state.getValue<Direction?>(BlockStateProperties.HORIZONTAL_FACING)
+        return when (dir) {
+            Direction.NORTH -> Shapes.or(
+                Shapes.box(0.0, 0.0, 0.0, 1.0, 0.5, 1.0),
+                Shapes.box(0.0, 0.5, 0.5, 1.0, 1.0, 1.0)
+            )
+
+            Direction.SOUTH -> Shapes.or(
+                Shapes.box(0.0, 0.0, 0.0, 1.0, 0.5, 1.0),
+                Shapes.box(0.0, 0.5, 0.0, 1.0, 1.0, 0.5)
+            )
+
+            Direction.EAST -> Shapes.or(
+                Shapes.box(0.0, 0.0, 0.0, 1.0, 0.5, 1.0),
+                Shapes.box(0.0, 0.5, 0.0, 0.5, 1.0, 1.0)
+            )
+
+            Direction.WEST -> Shapes.or(
+                Shapes.box(0.0, 0.0, 0.0, 1.0, 0.5, 1.0),
+                Shapes.box(0.5, 0.5, 0.0, 1.0, 1.0, 1.0)
+            )
+
+            else -> Shapes.block()
+        }
+    }
+
+    override fun getStateForPlacement(ctx: BlockPlaceContext): BlockState? {
+        return this.defaultBlockState().setValue(
+            BlockStateProperties.HORIZONTAL_FACING,
+            ctx.horizontalDirection.opposite
+        )
+    }
+
+    @Deprecated("Deprecated in Java")
+    @Environment(EnvType.CLIENT)
+    override fun getShadeBrightness(state: BlockState, world: BlockGetter, pos: BlockPos): Float {
+        return 1.0f
+    }
+}

src/main/kotlin/xyz/naomieow/asbestos/block/CarcinogenicBlock.kt

···
+package xyz.naomieow.asbestos.block
+
+import net.minecraft.core.BlockPos
+import net.minecraft.world.entity.player.Player
+import net.minecraft.world.item.Item
+import net.minecraft.world.level.Level
+import net.minecraft.world.level.block.Block
+import net.minecraft.world.level.block.state.BlockState
+import xyz.naomieow.asbestos.AsbestosMod
+import xyz.naomieow.asbestos.item.ModItems
+
+open class CarcinogenicBlock(settings: Properties, private val dangerLevel: Int) : Block(settings) {
+    override fun playerWillDestroy(world: Level, pos: BlockPos, state: BlockState, player: Player) {
+        super.playerWillDestroy(world, pos, state, player)
+        if (!isProtectedFromAsbestos(player)) {
+            val exposure = AsbestosMod.MESOTHELIOMA.get(player).mesothelioma
+            AsbestosMod.MESOTHELIOMA.get(player).mesothelioma = exposure + dangerLevel
+        }
+    }
+
+    companion object {
+        var PROTECTIVE_ARMOUR: Array<Item> =
+            arrayOf<Item>(ModItems.PPE_HELMET, ModItems.PPE_CHESTPLATE, ModItems.PPE_LEGGINGS, ModItems.PPE_BOOTS)
+
+        fun isProtectedFromAsbestos(player: Player): Boolean {
+            for (item in player.armorSlots) {
+                if (!listOf(*PROTECTIVE_ARMOUR).contains(item.item)) {
+                    return false
+                }
+            }
+            return true
+        }
+    }
+}

src/main/kotlin/xyz/naomieow/asbestos/block/ModBlocks.kt

···
+package xyz.naomieow.asbestos.block
+
+import io.wispforest.owo.itemgroup.OwoItemSettings
+import io.wispforest.owo.registration.reflect.BlockRegistryContainer
+import net.fabricmc.fabric.api.`object`.builder.v1.block.FabricBlockSettings
+import net.minecraft.world.item.BlockItem
+import net.minecraft.world.level.block.Block
+import net.minecraft.world.level.block.Blocks
+import xyz.naomieow.asbestos.item.ModGroups
+
+class ModBlocks: BlockRegistryContainer {
+    override fun createBlockItem(block: Block, identifier: String): BlockItem {
+        return BlockItem(block, OwoItemSettings().group(ModGroups.ASBESTOS_GROUP))
+    }
+
+    companion object {
+        @JvmStatic
+        val ASBESTOS_BLOCK: Block = CarcinogenicBlock(
+            FabricBlockSettings.copyOf(Blocks.WHITE_WOOL).destroyTime(1.0f), 40
+        )
+        @JvmStatic
+        val SERPENTINITE_BLOCK: Block = CarcinogenicBlock(
+            FabricBlockSettings.copyOf(Blocks.STONE).destroyTime(3.0f).requiresCorrectToolForDrops(), 20
+        )
+        @JvmStatic
+        val POPCORN_CEILING_BLOCK: Block = CarcinogenicBlock(
+            FabricBlockSettings.copyOf(Blocks.OAK_PLANKS).destroyTime(2.0f), 20
+        )
+        @JvmStatic
+        val ASBESTOS_TILE_BLOCK: Block = CarcinogenicBlock(
+            FabricBlockSettings.copyOf(Blocks.NETHER_BRICKS).destroyTime(3.0f), 20
+        )
+        @JvmStatic
+        val ASBESTOS_ROOF_BLOCK: Block = AsbestosRoofBlock(
+            FabricBlockSettings.copyOf(ASBESTOS_TILE_BLOCK).noOcclusion(), 20
+        )
+    }
+}

src/main/kotlin/xyz/naomieow/asbestos/config/ModConfigModel.kt

···
+package xyz.naomieow.asbestos.config
+
+import io.wispforest.owo.config.annotation.Config
+import io.wispforest.owo.config.annotation.Modmenu
+import io.wispforest.owo.config.annotation.RangeConstraint
+import xyz.naomieow.asbestos.AsbestosMod
+
+@Suppress("UNUSED")
+@Modmenu(modId = AsbestosMod.MOD_ID)
+@Config(name = "asbestos_config", wrapperName = "AsbestosConfig")
+class ModConfigModel {
+    @JvmField
+    @RangeConstraint(min = 0.0, max = 32.0)
+    var offset: Int = 3
+    @JvmField
+    var period: Int = 5
+    @JvmField
+    var threshold: Int = 180
+    @JvmField
+    var exsanguination: Int = 1
+}

src/main/kotlin/xyz/naomieow/asbestos/damage/ModDamageTypes.kt

···
+package xyz.naomieow.asbestos.damage
+
+import net.minecraft.core.registries.Registries
+import net.minecraft.resources.ResourceKey
+import net.minecraft.resources.ResourceLocation
+import net.minecraft.world.damagesource.DamageSource
+import net.minecraft.world.damagesource.DamageType
+import net.minecraft.world.level.Level
+import xyz.naomieow.asbestos.AsbestosMod
+
+object ModDamageTypes {
+    val MESOTHELIOMA: ResourceKey<DamageType> = ResourceKey.create(
+        Registries.DAMAGE_TYPE,
+        ResourceLocation(AsbestosMod.MOD_ID, "mesothelioma")
+    )
+    val BLOOD_EXTRACT: ResourceKey<DamageType> = ResourceKey.create(
+        Registries.DAMAGE_TYPE,
+        ResourceLocation(AsbestosMod.MOD_ID, "blood_extract")
+    )
+
+    fun of(level: Level, key: ResourceKey<DamageType>): DamageSource {
+        return DamageSource(level
+            .registryAccess()
+            .registryOrThrow(Registries.DAMAGE_TYPE)
+            .getHolderOrThrow(key)
+        )
+    }
+}

src/main/kotlin/xyz/naomieow/asbestos/inventory/CancerMeterInventory.kt

···
+package xyz.naomieow.asbestos.inventory
+
+import net.fabricmc.fabric.api.screenhandler.v1.ExtendedScreenHandlerFactory
+import net.minecraft.core.NonNullList
+import net.minecraft.nbt.CompoundTag
+import net.minecraft.nbt.ListTag
+import net.minecraft.network.FriendlyByteBuf
+import net.minecraft.network.chat.Component
+import net.minecraft.server.level.ServerPlayer
+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.ItemStack
+import net.minecraft.world.level.Level
+import xyz.naomieow.asbestos.screen.CancerMeterScreenHandler
+
+class CancerMeterInventory(
+    private var stack: ItemStack,
+    private val player: Player,
+    private val screenId: Byte,
+): ICancerMeterInventory {
+    private var inventory: InventoryImproved = createInventory(1)
+
+    init {
+        readAllData(stack.orCreateTag)
+    }
+
+    fun setStack(itemStack: ItemStack) {
+        stack = itemStack
+    }
+
+    override fun getInventory(): InventoryImproved {
+        return inventory
+    }
+
+    override fun writeAllData(tag: CompoundTag) {
+        writeItems(tag)
+    }
+
+    override fun readAllData(tag: CompoundTag) {
+        readItems(tag)
+    }
+
+    override fun writeItems(tag: CompoundTag) {
+        writeTag(tag, inventory.getStacks(), true)
+    }
+
+    override fun readItems(tag: CompoundTag) {
+        readTag(tag, inventory.getStacks())
+    }
+
+    override fun getLevel(): Level {
+        return player.level()
+    }
+
+    override fun getScreenID(): Byte {
+        return screenId
+    }
+
+    override fun getItemStack(): ItemStack {
+        return stack
+    }
+
+    override fun setUsingPlayer(player: Player?) { }
+
+    override fun markDataDirty(vararg dataIds: Byte) {
+        if (getLevel().isClientSide) {
+            return
+        }
+
+        for (data in dataIds) {
+            when (data) {
+                ICancerMeterInventory.Companion.INVENTORY_DATA -> CancerMeterInventory.writeTag(
+                    stack.getOrCreateTag(),
+                    getInventory().getStacks(),
+                    true
+                )
+                ICancerMeterInventory.Companion.COMBINED_INVENTORY_DATA -> writeItems(stack.getOrCreateTag())
+                ICancerMeterInventory.Companion.ALL_DATA -> writeAllData(stack.getOrCreateTag())
+            }
+        }
+    }
+
+    override fun markDirty() { }
+
+    private fun createInventory(size: Int): InventoryImproved {
+        return object : InventoryImproved(NonNullList.withSize(size, ItemStack.EMPTY)) {
+            override fun setChanged() {
+                markDataDirty(ICancerMeterInventory.Companion.COMBINED_INVENTORY_DATA)
+            }
+        }
+    }
+
+    companion object {
+        fun openHandledScreen(player: Player, stack: ItemStack, screenID: Byte) {
+            if (!player.level().isClientSide()) {
+                player.openMenu(object : ExtendedScreenHandlerFactory {
+                    override fun writeScreenOpeningData(player: ServerPlayer, buf: FriendlyByteBuf) {
+                        buf.writeByte(screenID.toInt())
+                    }
+
+                    override fun getDisplayName(): Component {
+                        return Component.translatable("screen.asbestos.cancer_meter")
+                    }
+
+                    override fun createMenu(
+                        syncId: Int,
+                        playerInventory: Inventory,
+                        player: Player
+                    ): AbstractContainerMenu {
+                        return CancerMeterScreenHandler(
+                            syncId,
+                            playerInventory,
+                            CancerMeterInventory(stack, player, screenID)
+                        )
+                    }
+                })
+            }
+        }
+
+        private fun writeTag(tag: CompoundTag, stacks: NonNullList<ItemStack>, setIfEmpty: Boolean): CompoundTag {
+            val tags = ListTag()
+            for (i in stacks.indices) {
+                val itemStack = stacks[i]
+                if (!itemStack.isEmpty) {
+                    val newTag = CompoundTag()
+                    newTag.putByte("Slot", i.toByte())
+                    itemStack.save(newTag)
+                    tags.add(newTag)
+                }
+            }
+
+            if (!tags.isEmpty() || setIfEmpty) {
+                tag.put("Inventory", tags)
+            }
+
+            return tag
+        }
+
+        private fun readTag(tag: CompoundTag, stacks: NonNullList<ItemStack>) {
+            val tags = tag.getList("Inventory", 10)
+
+            for (i in tags.indices) {
+                val newTag = tags.getCompound(i)
+                val j = newTag.getByte("Slot").toInt() and 255
+                if (j >= 0 && j < stacks.size) {
+                    stacks[j] = ItemStack.of(newTag)
+                }
+            }
+        }
+    }
+}

src/main/kotlin/xyz/naomieow/asbestos/inventory/ICancerMeterInventory.kt

···
+package xyz.naomieow.asbestos.inventory
+
+import net.minecraft.nbt.CompoundTag
+import net.minecraft.world.entity.player.Player
+import net.minecraft.world.item.ItemStack
+import net.minecraft.world.level.Level
+
+interface ICancerMeterInventory {
+    fun writeItems(tag: CompoundTag)
+    fun readItems(tag: CompoundTag)
+    fun writeAllData(tag: CompoundTag)
+    fun readAllData(tag: CompoundTag)
+    fun getInventory(): InventoryImproved
+    fun getScreenID(): Byte
+    fun getLevel(): Level
+    fun getItemStack(): ItemStack
+    fun setUsingPlayer(player: Player?)
+    fun markDataDirty(vararg dataIds: Byte)
+    fun markDirty()
+
+    companion object {
+        const val INVENTORY_DATA: Byte = 0
+        const val COMBINED_INVENTORY_DATA: Byte = 1
+        const val SLOT_DATA: Byte = 2
+        const val ALL_DATA: Byte = 3
+    }
+}

src/main/kotlin/xyz/naomieow/asbestos/inventory/InventoryImproved.kt

···
+package xyz.naomieow.asbestos.inventory
+
+import net.minecraft.core.NonNullList
+import net.minecraft.world.Container
+import net.minecraft.world.ContainerHelper
+import net.minecraft.world.entity.player.Player
+import net.minecraft.world.item.ItemStack
+import xyz.naomieow.asbestos.item.ModItems
+
+/*
+* Converted from Tiviacz1337's InventoryImproved from Travelers Backpack:
+* https://github.com/Tiviacz1337/Travelers-Backpack/blob/3dc0bfeec381537a5ce85c2ae1e6e00d62542206/src/main/java/com/tiviacz/travelersbackpack/inventory/InventoryImproved.java
+ */
+abstract class InventoryImproved(
+    @get:JvmName("getInventoryStacks")
+    protected var stacks: NonNullList<ItemStack>
+): Container {
+    fun getStacks(): NonNullList<ItemStack> {
+        return stacks
+    }
+
+    override fun getContainerSize(): Int {
+        return stacks.size
+    }
+    override fun isEmpty(): Boolean {
+        for (i in 0..< containerSize) {
+            if (!getItem(i).isEmpty) {
+                return false
+            }
+        }
+        return true
+    }
+
+    override fun getItem(slot: Int): ItemStack {
+        return stacks[slot]
+    }
+
+    override fun removeItem(slot: Int, amount: Int): ItemStack {
+        val itemStack = ContainerHelper.removeItem(stacks, slot, amount)
+
+        if (!itemStack.isEmpty) {
+            setChanged()
+        }
+        return itemStack
+    }
+
+    override fun removeItemNoUpdate(slot: Int): ItemStack {
+        val itemStack = stacks[slot]
+        if (itemStack.isEmpty) {
+            return ItemStack.EMPTY
+        } else {
+            stacks[slot] = ItemStack.EMPTY
+            return itemStack
+        }
+    }
+
+    override fun setItem(slot: Int, itemStack: ItemStack) {
+        stacks[slot] = itemStack
+        if (!itemStack.isEmpty && itemStack.count > maxStackSize) {
+            itemStack.count = maxStackSize
+        }
+
+        setChanged()
+    }
+
+    abstract override fun setChanged()
+
+    override fun canPlaceItem(slot: Int, itemStack: ItemStack): Boolean {
+        return itemStack.item !== ModItems.CANCER_METER
+    }
+
+    override fun stillValid(player: Player): Boolean {
+        return true
+    }
+
+    override fun clearContent() {
+    }
+}

src/main/kotlin/xyz/naomieow/asbestos/item/CancerMeterItem.kt

···
+package xyz.naomieow.asbestos.item
+
+import net.minecraft.world.InteractionHand
+import net.minecraft.world.InteractionResultHolder
+import net.minecraft.world.entity.player.Player
+import net.minecraft.world.item.Item
+import net.minecraft.world.item.ItemStack
+import net.minecraft.world.level.Level
+import xyz.naomieow.asbestos.inventory.CancerMeterInventory
+
+class CancerMeterItem(
+    properties: Properties
+): Item(
+    properties
+) {
+    override fun use(world: Level, user: Player, hand: InteractionHand): InteractionResultHolder<ItemStack?> {
+        val itemStack = user.getItemInHand(hand)
+        if (hand == InteractionHand.OFF_HAND) {
+            return InteractionResultHolder.fail<ItemStack?>(itemStack)
+        }
+
+        if (!world.isClientSide()) {
+            CancerMeterInventory.openHandledScreen(user, user.mainHandItem, 1.toByte())
+        }
+        return InteractionResultHolder.sidedSuccess<ItemStack?>(itemStack, world.isClientSide())
+    }
+}

src/main/kotlin/xyz/naomieow/asbestos/item/EmptySyringeItem.kt

···
+package xyz.naomieow.asbestos.item
+
+import net.minecraft.sounds.SoundEvents
+import net.minecraft.sounds.SoundSource
+import net.minecraft.world.InteractionHand
+import net.minecraft.world.InteractionResult
+import net.minecraft.world.InteractionResultHolder
+import net.minecraft.world.entity.LivingEntity
+import net.minecraft.world.entity.player.Player
+import net.minecraft.world.item.Item
+import net.minecraft.world.item.ItemStack
+import net.minecraft.world.level.Level
+import xyz.naomieow.asbestos.AsbestosMod
+import xyz.naomieow.asbestos.damage.ModDamageTypes
+
+class EmptySyringeItem(
+    properties: Item.Properties
+): Item(
+    properties
+) {
+    override fun use(world: Level, user: Player, hand: InteractionHand): InteractionResultHolder<ItemStack> {
+        useEmptySyringe(user, user, hand, world)
+        return InteractionResultHolder.consume<ItemStack>(user.getItemInHand(hand))
+    }
+
+    override fun interactLivingEntity(
+        stack: ItemStack,
+        user: Player,
+        entity: LivingEntity,
+        hand: InteractionHand
+    ): InteractionResult {
+        val world = user.level()
+        useEmptySyringe(user, entity, hand, world)
+        return InteractionResult.CONSUME
+    }
+
+    private fun useEmptySyringe(user: Player, target: LivingEntity, hand: InteractionHand, world: Level) {
+        world.playSound(
+            null,
+            user.blockPosition(),
+            SoundEvents.BOTTLE_FILL,
+            SoundSource.PLAYERS,
+            1.0f, 1.0f
+        )
+        val handStack = user.getItemInHand(hand)
+        val newStack = ItemStack(ModItems.FILLED_SYRINGE, 1)
+        newStack.tag = handStack.getOrCreateTag().copy()
+        FilledSyringeItem.writeNbt(target, newStack)
+        target.hurt(
+            ModDamageTypes.of(user.level(), ModDamageTypes.BLOOD_EXTRACT),
+            AsbestosMod.CONFIG.exsanguination.toFloat()
+        )
+        if (!user.inventory.add(newStack)) {
+            user.drop(newStack, false)
+        }
+        if (!user.abilities.instabuild) {
+            handStack.shrink(1)
+        }
+    }
+}

src/main/kotlin/xyz/naomieow/asbestos/item/FilledSyringeItem.kt

···
+package xyz.naomieow.asbestos.item
+
+import net.minecraft.ChatFormatting
+import net.minecraft.network.chat.Component
+import net.minecraft.world.entity.EntityType
+import net.minecraft.world.entity.LivingEntity
+import net.minecraft.world.entity.player.Player
+import net.minecraft.world.item.Item
+import net.minecraft.world.item.ItemStack
+import xyz.naomieow.asbestos.AsbestosMod
+
+class FilledSyringeItem(
+    properties: Properties
+): Item(
+    properties
+) {
+    companion object {
+        private const val TYPE_KEY: String = "EntityType"
+        private const val CANCER_KEY: String = "CancerMeter"
+
+        fun writeNbt(target: LivingEntity, syringe: ItemStack) {
+            val nbt = syringe.getOrCreateTag()
+            syringe.setHoverName(Component.translatable(
+                "item.asbestos.filled_syringe",
+                target.name)
+                .withStyle(ChatFormatting.RESET)
+            )
+            nbt.putString(TYPE_KEY, EntityType.getKey(target.type).toString())
+            if (target is Player) {
+                nbt.putInt(CANCER_KEY, AsbestosMod.MESOTHELIOMA.get(target).mesothelioma)
+            }
+        }
+    }
+}

src/main/kotlin/xyz/naomieow/asbestos/item/ModGroups.kt

···
+package xyz.naomieow.asbestos.item
+
+import io.wispforest.owo.itemgroup.Icon
+import io.wispforest.owo.itemgroup.OwoItemGroup
+import net.minecraft.resources.ResourceLocation
+import xyz.naomieow.asbestos.AsbestosMod
+
+object ModGroups {
+    @JvmStatic
+    val ASBESTOS_GROUP: OwoItemGroup = OwoItemGroup
+        .builder(ResourceLocation(AsbestosMod.MOD_ID, "asbestos_group")) {
+            Icon.of(ModItems.ASBESTOS_FIBERS)
+        }
+        .build()
+
+    fun init() {
+        ASBESTOS_GROUP.initialize()
+    }
+}

src/main/kotlin/xyz/naomieow/asbestos/item/ModItems.kt

···
+package xyz.naomieow.asbestos.item
+
+import io.wispforest.owo.itemgroup.OwoItemSettings
+import io.wispforest.owo.registration.reflect.ItemRegistryContainer
+import net.minecraft.world.effect.MobEffectInstance
+import net.minecraft.world.effect.MobEffects
+import net.minecraft.world.food.FoodProperties
+import net.minecraft.world.item.ArmorItem
+import net.minecraft.world.item.Item
+import net.minecraft.world.item.TieredItem
+import xyz.naomieow.asbestos.armor.ProtectiveMaterial
+
+class ModItems: ItemRegistryContainer {
+    companion object {
+        @JvmStatic
+        val ASBESTOS_FIBERS: Item = Item(
+            OwoItemSettings()
+                .group(ModGroups.ASBESTOS_GROUP)
+                .fireResistant()
+                .food(
+                    FoodProperties.Builder().alwaysEat().effect(
+                        MobEffectInstance(MobEffects.WITHER, 30 * 20, 4, false, false), 1.0f
+                    ).build()
+                )
+        )
+
+        @JvmStatic
+        val IRON_SCRAPER: TieredItem = ScraperItem(
+            ScraperItemMaterial.INSTANCE, 0.0f, -3.0f,
+            OwoItemSettings().group(ModGroups.ASBESTOS_GROUP)
+        )
+
+        @JvmStatic
+        val FILLED_SYRINGE: Item = FilledSyringeItem(OwoItemSettings()
+            .group(ModGroups.ASBESTOS_GROUP)
+            .stacksTo(1)
+        )
+        @JvmStatic
+        val EMPTY_SYRINGE: Item = EmptySyringeItem(OwoItemSettings()
+            .group(ModGroups.ASBESTOS_GROUP)
+            .stacksTo(16)
+        )
+        @JvmStatic
+        val CANCER_METER: Item = CancerMeterItem(OwoItemSettings()
+            .group(ModGroups.ASBESTOS_GROUP)
+            .stacksTo(1)
+        )
+
+        @JvmStatic
+        val PPE_HELMET: Item = ArmorItem(
+            ProtectiveMaterial.INSTANCE, ArmorItem.Type.HELMET,
+            OwoItemSettings().group(ModGroups.ASBESTOS_GROUP)
+        )
+        @JvmStatic
+        val PPE_CHESTPLATE: Item = ArmorItem(
+            ProtectiveMaterial.INSTANCE, ArmorItem.Type.CHESTPLATE,
+            OwoItemSettings().group(ModGroups.ASBESTOS_GROUP)
+        )
+        @JvmStatic
+        val PPE_LEGGINGS: Item = ArmorItem(
+            ProtectiveMaterial.INSTANCE, ArmorItem.Type.LEGGINGS,
+            OwoItemSettings().group(ModGroups.ASBESTOS_GROUP)
+        )
+        @JvmStatic
+        val PPE_BOOTS: Item = ArmorItem(
+            ProtectiveMaterial.INSTANCE, ArmorItem.Type.BOOTS,
+            OwoItemSettings().group(ModGroups.ASBESTOS_GROUP)
+        )
+    }
+}

src/main/kotlin/xyz/naomieow/asbestos/item/ScraperItem.kt

···
+package xyz.naomieow.asbestos.item
+
+import net.minecraft.core.registries.Registries
+import net.minecraft.resources.ResourceLocation
+import net.minecraft.tags.TagKey
+import net.minecraft.world.item.DiggerItem
+import net.minecraft.world.item.Tier
+import net.minecraft.world.level.block.Block
+import xyz.naomieow.asbestos.AsbestosMod
+
+class ScraperItem(
+    tier: Tier,
+    attackDamage: Float,
+    attackSpeed: Float,
+    properties: Properties
+): DiggerItem(
+    attackDamage,
+    attackSpeed,
+    tier,
+    AFFECTED_BLOCKS,
+    properties
+) {
+    companion object {
+        private val AFFECTED_BLOCKS: TagKey<Block> = TagKey.create(
+            Registries.BLOCK,
+            ResourceLocation(AsbestosMod.MOD_ID, "scrapeable")
+        )
+    }
+}

src/main/kotlin/xyz/naomieow/asbestos/item/ScraperItemMaterial.kt

···
+package xyz.naomieow.asbestos.item
+
+import net.minecraft.world.item.Items
+import net.minecraft.world.item.Tier
+import net.minecraft.world.item.crafting.Ingredient
+
+class ScraperItemMaterial: Tier {
+    override fun getUses(): Int {
+        return 300
+    }
+
+    override fun getSpeed(): Float {
+        return 5.0f
+    }
+
+    override fun getAttackDamageBonus(): Float {
+        return 2.5f
+    }
+
+    override fun getLevel(): Int {
+        return 1
+    }
+
+    override fun getEnchantmentValue(): Int {
+        return 10
+    }
+
+    override fun getRepairIngredient(): Ingredient {
+        return Ingredient.of(Items.IRON_INGOT)
+    }
+
+    companion object {
+        val INSTANCE: ScraperItemMaterial = ScraperItemMaterial()
+    }
+}

src/main/kotlin/xyz/naomieow/asbestos/mesothelioma/MesoComponent.kt

···
+package xyz.naomieow.asbestos.mesothelioma
+
+import dev.onyxstudios.cca.api.v3.component.ComponentV3
+
+interface IMesoComponent: ComponentV3 {
+    var mesothelioma: Int
+        get() = mesothelioma
+        set(exposure: Int) { mesothelioma = exposure }
+}

src/main/kotlin/xyz/naomieow/asbestos/mesothelioma/MesoStatusEffect.kt

···
+package xyz.naomieow.asbestos.mesothelioma
+
+import net.minecraft.world.effect.MobEffect
+import net.minecraft.world.effect.MobEffectCategory
+import net.minecraft.world.effect.MobEffectInstance
+import net.minecraft.world.effect.MobEffects
+import net.minecraft.world.entity.LivingEntity
+import net.minecraft.world.entity.player.Player
+import xyz.naomieow.asbestos.AsbestosMod
+import xyz.naomieow.asbestos.damage.ModDamageTypes
+
+class MesoStatusEffect: MobEffect(
+    MobEffectCategory.HARMFUL,
+    0x302412,
+) {
+
+    override fun isDurationEffectTick(duration: Int, amplifier: Int): Boolean {
+        return true
+    }
+
+    override fun applyEffectTick(entity: LivingEntity, amplifier: Int) {
+        super.applyEffectTick(entity, amplifier)
+        if (entity is Player) {
+            val exposure: Int = AsbestosMod.MESOTHELIOMA.get(entity).mesothelioma
+            if (exposure >= (AsbestosMod.CONFIG.threshold / 1.5)) {
+                entity.addEffect(MobEffectInstance(MobEffects.MOVEMENT_SLOWDOWN, -1, 1))
+            }
+
+            if (exposure >= AsbestosMod.CONFIG.threshold) {
+                entity.hurt(ModDamageTypes.of(entity.level(), ModDamageTypes.MESOTHELIOMA), (1 shl amplifier).toFloat())
+            }
+        }
+    }
+}

src/main/kotlin/xyz/naomieow/asbestos/mesothelioma/PlayerMesoComponent.kt

···
+package xyz.naomieow.asbestos.mesothelioma
+
+import dev.onyxstudios.cca.api.v3.component.sync.AutoSyncedComponent
+import net.minecraft.nbt.CompoundTag
+import net.minecraft.world.entity.player.Player
+import xyz.naomieow.asbestos.AsbestosMod
+
+class PlayerMesoComponent(
+    var playerEntity: Player
+): IMesoComponent, AutoSyncedComponent {
+    override var mesothelioma: Int
+        get() = mesothelioma
+        set(exposure: Int) {
+            mesothelioma = exposure
+            AsbestosMod.MESOTHELIOMA.sync(playerEntity)
+        }
+
+    override fun readFromNbt(tag: CompoundTag) {
+        mesothelioma = tag.getInt("mesothelioma")
+    }
+
+    override fun writeToNbt(tag: CompoundTag) {
+        tag.putInt("mesothelioma", mesothelioma)
+    }
+}

src/main/kotlin/xyz/naomieow/asbestos/screen/CancerMeterScreen.kt

···
+package xyz.naomieow.asbestos.screen
+
+import net.fabricmc.api.EnvType
+import net.fabricmc.api.Environment
+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.world.entity.player.Inventory
+import xyz.naomieow.asbestos.AsbestosMod
+import xyz.naomieow.asbestos.screen.util.MouseUtil
+import java.util.Optional
+
+@Environment(EnvType.CLIENT)
+class CancerMeterScreen(
+    abstractContainerMenu: CancerMeterScreenHandler,
+    inventory: Inventory,
+    component: Component,
+): AbstractContainerScreen<CancerMeterScreenHandler>(
+    abstractContainerMenu,
+    inventory,
+    component
+) {
+    private val TEXTURE: ResourceLocation = ResourceLocation(
+        AsbestosMod.MOD_ID,
+        "textures/gui/cancer_meter.png"
+    )
+    var screenHandler = abstractContainerMenu;
+
+    override fun render(context: GuiGraphics, mouseX: Int, mouseY: Int, delta: Float) {
+        renderBackground(context)
+        super.render(context, mouseX, mouseY, delta)
+        renderTooltip(context, mouseX, mouseY)
+    }
+
+    override fun renderBg(context: GuiGraphics, delta: Float, mouseX: Int, mouseY: Int) {
+        val x = (width - imageWidth) / 2
+        val y = (height - imageHeight) / 2
+        context.blit(
+            TEXTURE,
+            x, y,
+            0, 0,
+            imageWidth,
+            imageHeight
+        )
+        drawCancerProgress(context, x + 109, y + 56)
+    }
+
+    override fun renderLabels(context: GuiGraphics, mouseX: Int, mouseY: Int) {
+        val x = (width - imageWidth) / 2
+        val y = (height - imageHeight) / 2
+
+        if (isMouseAboveArea(mouseX, mouseY, x, y, 108, 55, 58, 7)) {
+            context.renderTooltip(
+                font,
+                listOf(
+                    Component.literal(
+                        screenHandler.getCancerMeter().toString() + "/" + AsbestosMod.CONFIG.threshold
+                    )
+                ),
+                Optional.empty(),
+                mouseX - x,
+                mouseY - y
+            )
+        }
+        context.drawString(
+            this.font,
+            this.playerInventoryTitle,
+            this.inventoryLabelX,
+            this.inventoryLabelY + 2,
+            4210752,
+            false
+        )
+    }
+
+    private fun drawCancerProgress(context: GuiGraphics, x: Int, y: Int) {
+        val offset = screenHandler.getCancerMeter() * 58 / AsbestosMod.CONFIG.threshold
+        context.blit(
+            TEXTURE,
+            x, y,
+            176, 56,
+            offset, 7
+        )
+    }
+
+    private fun isMouseAboveArea(
+        mouseX: Int, mouseY: Int,
+        x: Int, y: Int,
+        offsetX: Int, offsetY: Int,
+        width: Int, height: Int
+    ): Boolean {
+        return MouseUtil.isMouseOver(
+            mouseX.toDouble(), mouseY.toDouble(),
+            x + offsetX, y + offsetY,
+            width, height
+        )
+    }
+}

src/main/kotlin/xyz/naomieow/asbestos/screen/CancerMeterScreenHandler.kt

···
+package xyz.naomieow.asbestos.screen
+
+import net.minecraft.network.FriendlyByteBuf
+import net.minecraft.world.entity.EquipmentSlot
+import net.minecraft.world.entity.player.Inventory
+import net.minecraft.world.entity.player.Player
+import net.minecraft.world.inventory.AbstractContainerMenu
+import net.minecraft.world.inventory.MenuType
+import net.minecraft.world.inventory.Slot
+import net.minecraft.world.item.ItemStack
+import xyz.naomieow.asbestos.inventory.CancerMeterInventory
+import xyz.naomieow.asbestos.inventory.ICancerMeterInventory
+import xyz.naomieow.asbestos.item.CancerMeterItem
+import xyz.naomieow.asbestos.item.ModItems
+import java.util.*
+
+class CancerMeterScreenHandler(
+    type: MenuType<*>,
+    syncId: Int,
+    var playerInventory: Inventory,
+    var inventory: ICancerMeterInventory,
+): AbstractContainerMenu(type, syncId) {
+    constructor(
+        syncId: Int,
+        playerInventory: Inventory,
+        buf: FriendlyByteBuf
+    ): this(syncId, playerInventory, createInventory(playerInventory, buf))
+
+    constructor(
+        syncId: Int,
+        playerInventory: Inventory,
+        inventory: ICancerMeterInventory,
+    ): this(ModHandlers.CANCER_METER, syncId, playerInventory, inventory)
+
+    init {
+        addSlot(object : Slot(inventory.getInventory(), 0, 80, 54) {
+            override fun mayPlace(stack: ItemStack): Boolean {
+                return stack.`is`(ModItems.FILLED_SYRINGE)
+            }
+        })
+
+        addPlayerInventory(playerInventory)
+        addPlayerHotbar(playerInventory)
+    }
+
+    override fun quickMoveStack(player: Player, slotIndex: Int): ItemStack {
+        var itemStack = ItemStack.EMPTY
+        val slot = this.slots[slotIndex]
+        if (slot.hasItem()) {
+            val stackInSlot = slot.item
+            itemStack = stackInSlot.copy()
+            if (slotIndex == 0) {
+                if (!this.moveItemStackTo(stackInSlot, INVENTORY_START, HOTBAR_END, true)) {
+                    return ItemStack.EMPTY
+                }
+                slot.onQuickCraft(stackInSlot, itemStack)
+            } else if (itemStack.`is`(ModItems.FILLED_SYRINGE)) {
+                if (!this.moveItemStackTo(stackInSlot, 0, 1, false)) {
+                    return ItemStack.EMPTY
+                }
+            } else if (slotIndex >= INVENTORY_START && slotIndex < INVENTORY_END) {
+                if (!this.moveItemStackTo(stackInSlot, HOTBAR_START, HOTBAR_END, false)) {
+                    return ItemStack.EMPTY
+                }
+            } else if (slotIndex >= HOTBAR_START && slotIndex < HOTBAR_END) {
+                if (!this.moveItemStackTo(stackInSlot, INVENTORY_START, INVENTORY_END, false)) {
+                    return ItemStack.EMPTY
+                }
+            } else {
+                if (!this.moveItemStackTo(stackInSlot, INVENTORY_START, HOTBAR_END, false)) {
+                    return ItemStack.EMPTY
+                }
+            }
+
+            if (stackInSlot.isEmpty) {
+                slot.setByPlayer(ItemStack.EMPTY)
+            } else {
+                slot.setChanged()
+            }
+
+            if (stackInSlot.count == itemStack.count) {
+                return ItemStack.EMPTY
+            }
+
+            slot.onTake(player, stackInSlot)
+
+            if (slotIndex == 0) {
+                player.drop(stackInSlot, false)
+            }
+        }
+        return itemStack
+    }
+
+    override fun stillValid(player: Player): Boolean {
+        return true
+    }
+
+    private fun addPlayerInventory(inventory: Inventory) {
+        for (row in 0..2) {
+            for (column in 0..8) {
+                this.addSlot(Slot(inventory, column + row * 9 + 9, 8 + column * 18, 84 + row * 18))
+            }
+        }
+    }
+
+    private fun addPlayerHotbar(inventory: Inventory) {
+        for (slot in 0..8) {
+            this.addSlot(Slot(inventory, slot, 8 + slot * 18, 142))
+        }
+    }
+
+    fun getCancerMeter(): Int {
+        val nbt = this.inventory.getInventory().getItem(0).getOrCreateTag()
+        return if (nbt.contains("CancerMeter")) nbt.getInt("CancerMeter") else 0
+    }
+
+    companion object {
+        private const val INVENTORY_START: Int = 1
+        private const val INVENTORY_END: Int = 28
+        private const val HOTBAR_START: Int = 28
+        private const val HOTBAR_END: Int = 37
+
+        private fun createInventory(playerInventory: Inventory?, buf: FriendlyByteBuf?): CancerMeterInventory {
+            Objects.requireNonNull<Inventory?>(playerInventory)
+            Objects.requireNonNull<FriendlyByteBuf?>(buf)
+
+            val stack: ItemStack
+            val screenID = buf!!.readByte()
+
+            if (screenID.toInt() == 1) {
+                stack = playerInventory!!.player.getItemBySlot(EquipmentSlot.MAINHAND)
+            } else {
+                stack = ItemStack.EMPTY
+            }
+
+            if (stack.item is CancerMeterItem) {
+                if (screenID.toInt() == 1) {
+                    return CancerMeterInventory(stack, playerInventory!!.player, screenID)
+                }
+            }
+            throw IllegalStateException("Incorrect ItemStack $stack")
+        }
+    }
+}

src/main/kotlin/xyz/naomieow/asbestos/screen/ModHandlers.kt

···
+package xyz.naomieow.asbestos.screen
+
+import io.wispforest.owo.registration.reflect.AutoRegistryContainer
+import net.fabricmc.fabric.api.screenhandler.v1.ExtendedScreenHandlerType
+import net.minecraft.core.Registry
+import net.minecraft.core.registries.BuiltInRegistries
+import net.minecraft.world.inventory.MenuType
+
+class ModHandlers: AutoRegistryContainer<MenuType<*>> {
+    override fun getRegistry(): Registry<MenuType<*>> {
+        return BuiltInRegistries.MENU
+    }
+
+    override fun getTargetFieldType(): Class<MenuType<*>> {
+        return MenuType::class.java
+    }
+
+    companion object {
+        @JvmStatic
+        val CANCER_METER: MenuType<CancerMeterScreenHandler> = ExtendedScreenHandlerType(::CancerMeterScreenHandler)
+    }
+}

src/main/kotlin/xyz/naomieow/asbestos/screen/util/MouseUtil.kt

···
+package xyz.naomieow.asbestos.screen.util
+
+object MouseUtil {
+    @JvmStatic
+    fun isMouseOver(mouseX: Double, mouseY: Double, x: Int, y: Int): Boolean {
+        return isMouseOver(mouseX, mouseY, x, y, 16)
+    }
+
+    @JvmStatic
+    fun isMouseOver(mouseX: Double, mouseY: Double, x: Int, y: Int, size: Int): Boolean {
+        return isMouseOver(mouseX, mouseY, x, y, size, size)
+    }
+
+    @JvmStatic
+    fun isMouseOver(mouseX: Double, mouseY: Double, x: Int, y: Int, sizeX: Int, sizeY: Int): Boolean {
+        return (mouseX >= x && mouseX <= x + sizeX) && (mouseY >= y && mouseY <= y + sizeY)
+    }
+}

src/main/resources/fabric.mod.json

···
   "environment": "*",
   "entrypoints": {
     "main": [
-      "xyz.naomieow.asbestos.AsbestosMod"
+      {
+        "value": "xyz.naomieow.asbestos.AsbestosMod",
+        "adapter": "kotlin"
+      }
     ],
     "client": [
-      "xyz.naomieow.asbestos.AsbestosModClient"
+      {
+        "value": "xyz.naomieow.asbestos.AsbestosModClient",
+        "adapter": "kotlin"
+      }
     ],
     "cardinal-components-entity": [
-      "xyz.naomieow.asbestos.AsbestosMod"
+      {
+        "value": "xyz.naomieow.asbestos.AsbestosMod",
+        "adapter": "kotlin"
+      }
     ]
   },
   "custom": {