Init for multiloader

common/src/main/java/com/lukasabbe/bookshelfinspector/BookshelfInspector.java

@@ -0,0 +1,24 @@
+package com.lukasabbe.bookshelfinspector;
+
+import com.lukasabbe.bookshelfinspector.network.Handlers;
+import com.lukasabbe.bookshelfinspector.network.packets.ModCheckPayload;
+import com.lukasabbe.bookshelfinspector.platform.Services;
+import net.minecraft.server.MinecraftServer;
+
+public class BookshelfInspector {
+    public static MinecraftServer serverInstance;
+    public static Handlers networkHandlers;
+
+    public static void init() {
+        registerEvents();
+        networkHandlers = new Handlers();
+    }
+
+    private static void registerEvents(){
+        Services.EVENTS_HELPER.registerOnPlayerJoinEvent((player, server) -> {
+            serverInstance = server;
+            Services.NETWORK_HELPER.sendPacketFromServer(player, new ModCheckPayload(true));
+        });
+    }
+
+}

common/src/main/java/com/lukasabbe/bookshelfinspector/BookshelfInspectorClient.java

@@ -0,0 +1,23 @@
+package com.lukasabbe.bookshelfinspector;
+
+import com.lukasabbe.bookshelfinspector.config.Config;
+import com.lukasabbe.bookshelfinspector.data.BookData;
+import com.lukasabbe.bookshelfinspector.data.BookShelfData;
+import com.lukasabbe.bookshelfinspector.platform.Services;
+
+public class BookshelfInspectorClient {
+    public static BookData currentBookData = BookData.empty();
+    public static BookShelfData bookShelfData = new BookShelfData();
+    public static boolean modAvailable = false;
+    public static Config config = new Config();
+
+    public static void clientInit(){
+        config.loadConfig();
+
+        Services.EVENTS_HELPER.registerOnPlayerDisconnect(() -> {
+            modAvailable = false;
+            bookShelfData = new BookShelfData();
+        });
+
+    }
+}

common/src/main/java/com/lukasabbe/bookshelfinspector/Constants.java

@@ -0,0 +1,17 @@
+package com.lukasabbe.bookshelfinspector;
+
+import net.minecraft.resources.ResourceLocation;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class Constants {
+	public static final String MOD_ID = "bookshelfinspector";
+	public static final String MOD_NAME = "Bookshelf Inspector";
+	public static final Logger LOG = LoggerFactory.getLogger(MOD_NAME);
+
+	//Packets
+	public static final ResourceLocation BOOK_SHELF_INVENTORY_REQUEST_PACKET_ID = ResourceLocation.fromNamespaceAndPath(MOD_ID,"book_shelf_inventory_request");
+	public static final ResourceLocation BOOK_SHELF_INVENTORY_PACKET_ID = ResourceLocation.fromNamespaceAndPath(MOD_ID,"book_shelf_inventory");
+	public static final ResourceLocation MOD_CHECK_PACKET_ID = ResourceLocation.fromNamespaceAndPath(MOD_ID,"mod_check");
+	public static final ResourceLocation LECTERN_INVENTORY_REQUEST_PACKET_ID = ResourceLocation.fromNamespaceAndPath(MOD_ID, "lectern_inventory_request");
+}

common/src/main/java/com/lukasabbe/bookshelfinspector/config/Config.java

@@ -0,0 +1,67 @@
+package com.lukasabbe.bookshelfinspector.config;
+
+import com.lukasabbe.bookshelfinspector.platform.Services;
+import org.yaml.snakeyaml.Yaml;
+
+
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.Map;
+
+public class Config {
+    public boolean lecternToggle = true;
+    public int scale = 10;
+    public boolean useRoman = false;
+
+    public void loadConfig(){
+        Path configPath = Services.PLATFORM.getConfigPath("bookshelfinspector-config.yml");
+        if(!Files.exists(configPath))createConfig(configPath);
+        Yaml yaml = new Yaml();
+        try{
+            Map<String, Object> configMap = yaml.load(new FileReader(configPath.toFile()));
+            if(configMap.containsKey("lectern-toggle")){
+                lecternToggle = (boolean) configMap.get("lectern-toggle");
+            }
+            if(configMap.containsKey("scale")){
+                scale = (int) configMap.get("scale");
+            }
+            if(configMap.containsKey("roman")){
+                useRoman = (boolean) configMap.get("roman");
+            }
+
+        } catch (FileNotFoundException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    private void createConfig(Path configPath){
+        Path defaultConfigPath = Services.PLATFORM.getFileInModContainer("bookshelfinspector", "bookshelfinspector-config.yml");
+        try {
+            Files.copy(defaultConfigPath, configPath);
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public void saveConfig(){
+        Path configPath = Services.PLATFORM.getConfigPath("bookshelfinspector-config.yml");
+        if(!Files.exists(configPath)) createConfig(configPath);
+        Yaml yaml = new Yaml();
+        try{
+            Map<String, Object> configMap = yaml.load(new FileReader(configPath.toFile()));
+            configMap.put("lectern-toggle",lecternToggle);
+            configMap.put("scale",scale);
+            configMap.put("roman", useRoman);
+            FileWriter writer = new FileWriter(configPath.toString());
+            yaml.dump(configMap,writer);
+            writer.close();
+
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+}

common/src/main/java/com/lukasabbe/bookshelfinspector/data/BookData.java

@@ -0,0 +1,20 @@
+package com.lukasabbe.bookshelfinspector.data;
+
+import net.minecraft.core.BlockPos;
+import net.minecraft.world.item.ItemStack;
+
+public class BookData {
+    public ItemStack itemStack;
+    public BlockPos pos;
+    public int slotId;
+
+    public BookData(ItemStack itemStack, BlockPos pos, int slotId) {
+        this.itemStack = itemStack;
+        this.pos = pos;
+        this.slotId = slotId;
+    }
+
+    public static BookData empty(){
+        return new BookData(ItemStack.EMPTY, null, -1);
+    }
+}

common/src/main/java/com/lukasabbe/bookshelfinspector/data/BookShelfData.java

@@ -0,0 +1,10 @@
+package com.lukasabbe.bookshelfinspector.data;
+
+import net.minecraft.core.BlockPos;
+
+public class BookShelfData {
+    public boolean isCurrentBookDataToggled = false;
+    public BlockPos latestPos = null;
+    public boolean requestSent = false;
+    public int currentSlotInt = -1;
+}

common/src/main/java/com/lukasabbe/bookshelfinspector/data/Tags.java

@@ -0,0 +1,10 @@
+package com.lukasabbe.bookshelfinspector.data;
+
+import net.minecraft.core.registries.Registries;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.tags.TagKey;
+import net.minecraft.world.level.block.Block;
+
+public class Tags {
+    public static final TagKey<Block> CHISELED_BOOKSHELVES = TagKey.create(Registries.BLOCK, ResourceLocation.fromNamespaceAndPath("c", "chiseled_bookshelves"));
+}

common/src/main/java/com/lukasabbe/bookshelfinspector/mixin/BookshelfInvoker.java

@@ -0,0 +1,15 @@
+package com.lukasabbe.bookshelfinspector.mixin;
+
+import net.minecraft.world.level.block.ChiseledBookShelfBlock;
+import net.minecraft.world.level.block.state.BlockState;
+import net.minecraft.world.phys.BlockHitResult;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.gen.Invoker;
+
+import java.util.OptionalInt;
+
+@Mixin(ChiseledBookShelfBlock.class)
+public interface BookshelfInvoker {
+    @Invoker("getHitSlot")
+    OptionalInt invokerGetSlotForHitPos(BlockHitResult hit, BlockState state);
+}

common/src/main/java/com/lukasabbe/bookshelfinspector/mixin/BookshelfMixin.java

@@ -0,0 +1,25 @@
+package com.lukasabbe.bookshelfinspector.mixin;
+
+import com.lukasabbe.bookshelfinspector.Constants;
+import com.lukasabbe.bookshelfinspector.renderer.Inspector;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.player.LocalPlayer;
+import org.spongepowered.asm.mixin.Final;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.Unique;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Mixin(LocalPlayer.class)
+public class BookshelfMixin {
+
+    @Shadow @Final protected Minecraft minecraft;
+    @Unique private final Inspector bookshelfInspectorMultiloader$inspector = new Inspector();
+
+    @Inject(method = "tick", at= @At(value = "INVOKE", target = "Ljava/util/List;iterator()Ljava/util/Iterator;"))
+    public void injectTick(CallbackInfo ci){
+        bookshelfInspectorMultiloader$inspector.inspect(this.minecraft);
+    }
+}

common/src/main/java/com/lukasabbe/bookshelfinspector/mixin/InGameHudMixin.java

@@ -0,0 +1,24 @@
+package com.lukasabbe.bookshelfinspector.mixin;
+
+import com.lukasabbe.bookshelfinspector.Constants;
+import com.lukasabbe.bookshelfinspector.renderer.HudRenderer;
+import net.minecraft.client.DeltaTracker;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.gui.Gui;
+import net.minecraft.client.gui.GuiGraphics;
+import org.spongepowered.asm.mixin.Final;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Mixin(Gui.class)
+public class InGameHudMixin {
+    @Shadow @Final private Minecraft minecraft;
+
+    @Inject(method = "render",at=@At("RETURN"))
+    public void render(GuiGraphics context, DeltaTracker tickCounter, CallbackInfo ci){
+        HudRenderer.hudRender(context, minecraft);
+    }
+}

common/src/main/java/com/lukasabbe/bookshelfinspector/network/Handlers.java

@@ -0,0 +1,21 @@
+package com.lukasabbe.bookshelfinspector.network;
+
+import com.lukasabbe.bookshelfinspector.network.client.BookShelfInventoryHandlerServer;
+import com.lukasabbe.bookshelfinspector.network.client.ModServerPayloadHandler;
+import com.lukasabbe.bookshelfinspector.network.server.BookShelfInventoryRequestServerPayloadHandler;
+import com.lukasabbe.bookshelfinspector.network.server.LecternInventoryRequestServerPayloadHandler;
+
+public class Handlers {
+    public BookShelfInventoryHandlerServer bookShelfInventoryHandlerServer;
+    public ModServerPayloadHandler modServerPayloadHandler;
+    public BookShelfInventoryRequestServerPayloadHandler bookShelfInventoryRequestServerPayloadHandler;
+    public LecternInventoryRequestServerPayloadHandler lecternInventoryRequestServerPayloadHandler;
+
+    public Handlers(){
+        bookShelfInventoryHandlerServer = new BookShelfInventoryHandlerServer();
+        modServerPayloadHandler = new ModServerPayloadHandler();
+        bookShelfInventoryRequestServerPayloadHandler = new BookShelfInventoryRequestServerPayloadHandler();
+        lecternInventoryRequestServerPayloadHandler = new LecternInventoryRequestServerPayloadHandler();
+    }
+
+}

common/src/main/java/com/lukasabbe/bookshelfinspector/network/client/BookShelfInventoryHandlerServer.java

@@ -0,0 +1,24 @@
+package com.lukasabbe.bookshelfinspector.network.client;
+
+import com.lukasabbe.bookshelfinspector.BookshelfInspectorClient;
+import com.lukasabbe.bookshelfinspector.data.BookData;
+import com.lukasabbe.bookshelfinspector.network.packets.BookShelfInventoryPayload;
+import com.lukasabbe.bookshelfinspector.platform.handlers.ClientPayloadHandler;
+import net.minecraft.client.player.LocalPlayer;
+import net.minecraft.world.item.Items;
+
+public class BookShelfInventoryHandlerServer implements ClientPayloadHandler<BookShelfInventoryPayload> {
+    @Override
+    public void receive(BookShelfInventoryPayload bookShelfInventoryPayload, LocalPlayer player) {
+        BookshelfInspectorClient.bookShelfData.requestSent = false;
+        if(bookShelfInventoryPayload.itemStack().is(Items.AIR)){
+            BookshelfInspectorClient.bookShelfData.isCurrentBookDataToggled = false;
+            BookshelfInspectorClient.currentBookData = BookData.empty();
+            BookshelfInspectorClient.currentBookData.slotId = -2;
+        }
+        else{
+            BookshelfInspectorClient.bookShelfData.isCurrentBookDataToggled = true;
+            BookshelfInspectorClient.currentBookData = new BookData(bookShelfInventoryPayload.itemStack(),bookShelfInventoryPayload.pos(),bookShelfInventoryPayload.slotNum());
+        }
+    }
+}

common/src/main/java/com/lukasabbe/bookshelfinspector/network/client/ModServerPayloadHandler.java

@@ -0,0 +1,15 @@
+package com.lukasabbe.bookshelfinspector.network.client;
+
+import com.lukasabbe.bookshelfinspector.BookshelfInspectorClient;
+import com.lukasabbe.bookshelfinspector.Constants;
+import com.lukasabbe.bookshelfinspector.network.packets.ModCheckPayload;
+import com.lukasabbe.bookshelfinspector.platform.handlers.ClientPayloadHandler;
+import net.minecraft.client.player.LocalPlayer;
+
+public class ModServerPayloadHandler implements ClientPayloadHandler<ModCheckPayload> {
+    @Override
+    public void receive(ModCheckPayload payload, LocalPlayer player) {
+        Constants.LOG.info("[bookshelfinspector] Connected to server");
+        BookshelfInspectorClient.modAvailable = true;
+    }
+}

common/src/main/java/com/lukasabbe/bookshelfinspector/network/packets/BookShelfInventoryPayload.java

@@ -0,0 +1,22 @@
+package com.lukasabbe.bookshelfinspector.network.packets;
+
+import com.lukasabbe.bookshelfinspector.Constants;
+import net.minecraft.core.BlockPos;
+import net.minecraft.network.RegistryFriendlyByteBuf;
+import net.minecraft.network.codec.ByteBufCodecs;
+import net.minecraft.network.codec.StreamCodec;
+import net.minecraft.network.protocol.common.custom.CustomPacketPayload;
+import net.minecraft.world.item.ItemStack;
+import org.jetbrains.annotations.NotNull;
+
+public record BookShelfInventoryPayload(ItemStack itemStack, BlockPos pos, int slotNum) implements CustomPacketPayload {
+    public static final CustomPacketPayload.Type<BookShelfInventoryPayload> ID = new CustomPacketPayload.Type<>(Constants.BOOK_SHELF_INVENTORY_PACKET_ID);
+    public static final StreamCodec<RegistryFriendlyByteBuf, BookShelfInventoryPayload> CODEC = StreamCodec.composite(
+            ItemStack.OPTIONAL_STREAM_CODEC, BookShelfInventoryPayload::itemStack,
+            BlockPos.STREAM_CODEC, BookShelfInventoryPayload::pos,
+            ByteBufCodecs.INT, BookShelfInventoryPayload::slotNum,
+            BookShelfInventoryPayload::new
+    );
+    @Override
+    public @NotNull Type<? extends CustomPacketPayload> type() { return ID; }
+}

common/src/main/java/com/lukasabbe/bookshelfinspector/network/packets/BookShelfInventoryRequestPayload.java

@@ -0,0 +1,22 @@
+package com.lukasabbe.bookshelfinspector.network.packets;
+
+import com.lukasabbe.bookshelfinspector.Constants;
+import net.minecraft.core.BlockPos;
+import net.minecraft.network.RegistryFriendlyByteBuf;
+import net.minecraft.network.codec.ByteBufCodecs;
+import net.minecraft.network.codec.StreamCodec;
+import net.minecraft.network.protocol.common.custom.CustomPacketPayload;
+import org.jetbrains.annotations.NotNull;
+
+public record BookShelfInventoryRequestPayload(BlockPos pos, int slotNum) implements CustomPacketPayload {
+
+    public static final CustomPacketPayload.Type<BookShelfInventoryRequestPayload> ID = new CustomPacketPayload.Type<>(Constants.BOOK_SHELF_INVENTORY_REQUEST_PACKET_ID);
+
+    public static final StreamCodec<RegistryFriendlyByteBuf, BookShelfInventoryRequestPayload> CODEC = StreamCodec.composite(
+            BlockPos.STREAM_CODEC,BookShelfInventoryRequestPayload::pos,
+            ByteBufCodecs.INT, BookShelfInventoryRequestPayload::slotNum,
+            BookShelfInventoryRequestPayload::new);
+
+    @Override
+    public @NotNull Type<? extends CustomPacketPayload> type() { return ID; }
+}

common/src/main/java/com/lukasabbe/bookshelfinspector/network/packets/LecternInventoryRequestPayload.java

@@ -0,0 +1,20 @@
+package com.lukasabbe.bookshelfinspector.network.packets;
+
+import com.lukasabbe.bookshelfinspector.Constants;
+import net.minecraft.core.BlockPos;
+import net.minecraft.network.RegistryFriendlyByteBuf;
+import net.minecraft.network.codec.StreamCodec;
+import net.minecraft.network.protocol.common.custom.CustomPacketPayload;
+import org.jetbrains.annotations.NotNull;
+
+public record LecternInventoryRequestPayload(BlockPos pos) implements CustomPacketPayload {
+
+    public static final CustomPacketPayload.Type<LecternInventoryRequestPayload> ID = new CustomPacketPayload.Type<>(Constants.LECTERN_INVENTORY_REQUEST_PACKET_ID);
+
+    public static final StreamCodec<RegistryFriendlyByteBuf, LecternInventoryRequestPayload> CODEC = StreamCodec.composite(
+            BlockPos.STREAM_CODEC,LecternInventoryRequestPayload::pos,
+            LecternInventoryRequestPayload::new);
+
+    @Override
+    public @NotNull Type<? extends CustomPacketPayload> type() { return ID; }
+}

common/src/main/java/com/lukasabbe/bookshelfinspector/network/packets/ModCheckPayload.java

@@ -0,0 +1,20 @@
+package com.lukasabbe.bookshelfinspector.network.packets;
+
+import com.lukasabbe.bookshelfinspector.Constants;
+import net.minecraft.network.RegistryFriendlyByteBuf;
+import net.minecraft.network.codec.ByteBufCodecs;
+import net.minecraft.network.codec.StreamCodec;
+import net.minecraft.network.protocol.common.custom.CustomPacketPayload;
+import org.jetbrains.annotations.NotNull;
+
+public record ModCheckPayload(boolean modActivated) implements CustomPacketPayload {
+    public static final CustomPacketPayload.Type<ModCheckPayload> ID = new CustomPacketPayload.Type<>(Constants.MOD_CHECK_PACKET_ID);
+
+    public static final StreamCodec<RegistryFriendlyByteBuf, ModCheckPayload> CODEC = StreamCodec.composite(
+            ByteBufCodecs.BOOL, ModCheckPayload::modActivated,
+            ModCheckPayload::new
+    );
+
+    @Override
+    public @NotNull Type<? extends CustomPacketPayload> type() { return ID; }
+}

common/src/main/java/com/lukasabbe/bookshelfinspector/network/server/BookShelfInventoryRequestServerPayloadHandler.java

@@ -0,0 +1,25 @@
+package com.lukasabbe.bookshelfinspector.network.server;
+
+import com.lukasabbe.bookshelfinspector.BookshelfInspector;
+import com.lukasabbe.bookshelfinspector.network.packets.BookShelfInventoryPayload;
+import com.lukasabbe.bookshelfinspector.network.packets.BookShelfInventoryRequestPayload;
+import com.lukasabbe.bookshelfinspector.platform.Services;
+import com.lukasabbe.bookshelfinspector.platform.handlers.ServerPayloadHandler;
+import com.lukasabbe.bookshelfinspector.util.BookshelfTools;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.world.item.ItemStack;
+import net.minecraft.world.item.Items;
+
+public class BookShelfInventoryRequestServerPayloadHandler implements ServerPayloadHandler<BookShelfInventoryRequestPayload> {
+    @Override
+    public void receive(BookShelfInventoryRequestPayload bookShelfInventoryRequestPayload, ServerPlayer player) {
+        if(BookshelfInspector.serverInstance == null) return;
+
+        ItemStack stack = BookshelfTools.getItemById(bookShelfInventoryRequestPayload.pos(),bookShelfInventoryRequestPayload.slotNum(), player);
+        if(stack == null){
+            Services.NETWORK_HELPER.sendPacketFromServer(player, new BookShelfInventoryPayload(Items.AIR.getDefaultInstance(), bookShelfInventoryRequestPayload.pos(), bookShelfInventoryRequestPayload.slotNum()));
+            return;
+        }
+        Services.NETWORK_HELPER.sendPacketFromServer(player, new BookShelfInventoryPayload(stack, bookShelfInventoryRequestPayload.pos(), bookShelfInventoryRequestPayload.slotNum()));
+    }
+}

common/src/main/java/com/lukasabbe/bookshelfinspector/network/server/LecternInventoryRequestServerPayloadHandler.java

@@ -0,0 +1,26 @@
+package com.lukasabbe.bookshelfinspector.network.server;
+
+import com.lukasabbe.bookshelfinspector.BookshelfInspector;
+import com.lukasabbe.bookshelfinspector.network.packets.BookShelfInventoryPayload;
+import com.lukasabbe.bookshelfinspector.network.packets.LecternInventoryRequestPayload;
+import com.lukasabbe.bookshelfinspector.platform.Services;
+import com.lukasabbe.bookshelfinspector.platform.handlers.ServerPayloadHandler;
+import com.lukasabbe.bookshelfinspector.util.LecternTools;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.world.item.ItemStack;
+import net.minecraft.world.item.Items;
+
+public class LecternInventoryRequestServerPayloadHandler implements ServerPayloadHandler<LecternInventoryRequestPayload> {
+    @Override
+    public void receive(LecternInventoryRequestPayload lecternInventoryRequestPayload, ServerPlayer player) {
+        if(BookshelfInspector.serverInstance == null) return;
+
+        ItemStack stack = LecternTools.getItemStack(lecternInventoryRequestPayload.pos(), player);
+
+        if(stack == null){
+            Services.NETWORK_HELPER.sendPacketFromServer(player, new BookShelfInventoryPayload(Items.AIR.getDefaultInstance(), lecternInventoryRequestPayload.pos(), 0));
+            return;
+        }
+        Services.NETWORK_HELPER.sendPacketFromServer(player, new BookShelfInventoryPayload(stack, lecternInventoryRequestPayload.pos(), 0));
+    }
+}

common/src/main/java/com/lukasabbe/bookshelfinspector/platform/Services.java

@@ -0,0 +1,34 @@
+package com.lukasabbe.bookshelfinspector.platform;
+
+import com.lukasabbe.bookshelfinspector.Constants;
+import com.lukasabbe.bookshelfinspector.platform.services.IEventHelper;
+import com.lukasabbe.bookshelfinspector.platform.services.INetworkHelper;
+import com.lukasabbe.bookshelfinspector.platform.services.IPlatformHelper;
+
+import java.util.ServiceLoader;
+
+// Service loaders are a built-in Java feature that allow us to locate implementations of an interface that vary from one
+// environment to another. In the context of MultiLoader we use this feature to access a mock API in the common code that
+// is swapped out for the platform specific implementation at runtime.
+public class Services {
+
+    // In this example we provide a platform helper which provides information about what platform the mod is running on.
+    // For example this can be used to check if the code is running on Forge vs Fabric, or to ask the modloader if another
+    // mod is loaded.
+    public static final IPlatformHelper PLATFORM = load(IPlatformHelper.class);
+    public static final INetworkHelper NETWORK_HELPER = load(INetworkHelper.class);
+    public static final IEventHelper EVENTS_HELPER = load(IEventHelper.class);
+
+    // This code is used to load a service for the current environment. Your implementation of the service must be defined
+    // manually by including a text file in META-INF/services named with the fully qualified class name of the service.
+    // Inside the file you should write the fully qualified class name of the implementation to load for the platform. For
+    // example our file on Forge points to ForgePlatformHelper while Fabric points to FabricPlatformHelper.
+    public static <T> T load(Class<T> clazz) {
+
+        final T loadedService = ServiceLoader.load(clazz)
+                .findFirst()
+                .orElseThrow(() -> new NullPointerException("Failed to load service for " + clazz.getName()));
+        Constants.LOG.debug("Loaded {} for service {}", loadedService, clazz);
+        return loadedService;
+    }
+}

common/src/main/java/com/lukasabbe/bookshelfinspector/platform/handlers/ClientPayloadHandler.java

@@ -0,0 +1,8 @@
+package com.lukasabbe.bookshelfinspector.platform.handlers;
+
+import net.minecraft.client.player.LocalPlayer;
+import net.minecraft.network.protocol.common.custom.CustomPacketPayload;
+
+public interface ClientPayloadHandler<T extends CustomPacketPayload> {
+    void receive(T payload, LocalPlayer player);
+}

common/src/main/java/com/lukasabbe/bookshelfinspector/platform/handlers/OnPlayerDisconnectEvent.java

@@ -0,0 +1,5 @@
+package com.lukasabbe.bookshelfinspector.platform.handlers;
+
+public interface OnPlayerDisconnectEvent {
+    void onDisconnect();
+}

common/src/main/java/com/lukasabbe/bookshelfinspector/platform/handlers/OnPlayerJoinEvent.java

@@ -0,0 +1,8 @@
+package com.lukasabbe.bookshelfinspector.platform.handlers;
+
+import net.minecraft.server.MinecraftServer;
+import net.minecraft.server.level.ServerPlayer;
+
+public interface OnPlayerJoinEvent {
+    void onPlayerJoin(ServerPlayer handler, MinecraftServer server);
+}

common/src/main/java/com/lukasabbe/bookshelfinspector/platform/handlers/ServerPayloadHandler.java

@@ -0,0 +1,8 @@
+package com.lukasabbe.bookshelfinspector.platform.handlers;
+
+import net.minecraft.network.protocol.common.custom.CustomPacketPayload;
+import net.minecraft.server.level.ServerPlayer;
+
+public interface ServerPayloadHandler<T extends CustomPacketPayload> {
+    void receive(T payload, ServerPlayer player);
+}

common/src/main/java/com/lukasabbe/bookshelfinspector/platform/services/IEventHelper.java

@@ -0,0 +1,9 @@
+package com.lukasabbe.bookshelfinspector.platform.services;
+
+import com.lukasabbe.bookshelfinspector.platform.handlers.OnPlayerDisconnectEvent;
+import com.lukasabbe.bookshelfinspector.platform.handlers.OnPlayerJoinEvent;
+
+public interface IEventHelper {
+    void registerOnPlayerJoinEvent(OnPlayerJoinEvent event);
+    void registerOnPlayerDisconnect(OnPlayerDisconnectEvent event);
+}

common/src/main/java/com/lukasabbe/bookshelfinspector/platform/services/INetworkHelper.java

@@ -0,0 +1,9 @@
+package com.lukasabbe.bookshelfinspector.platform.services;
+
+import net.minecraft.network.protocol.common.custom.CustomPacketPayload;
+import net.minecraft.server.level.ServerPlayer;
+
+public interface INetworkHelper {
+    void sendPacketFromServer(ServerPlayer player, CustomPacketPayload payload);
+    void sendPacketFromClient(CustomPacketPayload payload);
+}

common/src/main/java/com/lukasabbe/bookshelfinspector/platform/services/IPlatformHelper.java

@@ -0,0 +1,20 @@
+package com.lukasabbe.bookshelfinspector.platform.services;
+
+import java.nio.file.Path;
+
+public interface IPlatformHelper {
+    String getPlatformName();
+
+    boolean isModLoaded(String modId);
+
+    boolean isDevelopmentEnvironment();
+
+    Path getConfigPath(String file);
+
+    Path getFileInModContainer(String mod, String fileName);
+
+    default String getEnvironmentName() {
+
+        return isDevelopmentEnvironment() ? "development" : "production";
+    }
+}

common/src/main/java/com/lukasabbe/bookshelfinspector/renderer/HudRenderer.java

@@ -0,0 +1,90 @@
+package com.lukasabbe.bookshelfinspector.renderer;
+
+import com.lukasabbe.bookshelfinspector.BookshelfInspectorClient;
+import com.lukasabbe.bookshelfinspector.Constants;
+import com.lukasabbe.bookshelfinspector.data.BookData;
+import com.lukasabbe.bookshelfinspector.util.RomanNumerals;
+import com.mojang.blaze3d.vertex.PoseStack;
+import net.minecraft.ChatFormatting;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.gui.Font;
+import net.minecraft.client.gui.GuiGraphics;
+import net.minecraft.core.Holder;
+import net.minecraft.core.component.DataComponents;
+import net.minecraft.network.chat.Component;
+import net.minecraft.network.chat.ComponentUtils;
+import net.minecraft.network.chat.MutableComponent;
+import net.minecraft.network.chat.Style;
+import net.minecraft.tags.EnchantmentTags;
+import net.minecraft.world.item.ItemStack;
+import net.minecraft.world.item.enchantment.Enchantment;
+import net.minecraft.world.item.enchantment.ItemEnchantments;
+
+public class HudRenderer {
+    public static void hudRender(GuiGraphics context, Minecraft client){
+        if(!BookshelfInspectorClient.modAvailable) return;
+        if(client.options.hideGui) return;
+        if(!BookshelfInspectorClient.bookShelfData.isCurrentBookDataToggled) return;
+
+        final BookData currentBookData = BookshelfInspectorClient.currentBookData;
+        final int screenWidth = client.getWindow().getGuiScaledWidth();
+        final int screenHeight = client.getWindow().getGuiScaledHeight();
+        final int x = screenWidth / 2;
+        final int y = screenHeight / 2;
+        final ItemStack itemStack = currentBookData.itemStack;
+
+        int color = 0xFFFFFFFF;
+
+        final Integer colorValue = itemStack.getRarity().color().getColor();
+
+        if(colorValue != null){
+            color = colorValue;
+        }
+
+        float scaleFactor = ((float) BookshelfInspectorClient.config.scale /10);
+        drawScaledText(context, itemStack.getHoverName(), x,y+((int)(10*scaleFactor)), color, client.font);
+
+        ItemEnchantments storedComponents = itemStack.getComponents().get(DataComponents.STORED_ENCHANTMENTS);
+        if(storedComponents != null){
+            int i = ((int)(20*scaleFactor));
+            for(Holder<Enchantment> enchantment : storedComponents.keySet()){
+                String lvl = "";
+                final int level = storedComponents.getLevel(enchantment);
+                if(level != 1)
+                    lvl = String.valueOf(level);
+                final MutableComponent enchantmentText;
+
+                if(!BookshelfInspectorClient.config.useRoman || level == -1)
+                    enchantmentText = enchantment.value().description().copy().append(" " + lvl);
+                else if (level != 1)
+                    enchantmentText = enchantment.value().description().copy().append(" " + RomanNumerals.toRoman(level));
+                else
+                    enchantmentText = enchantment.value().description().copy();
+
+                if(enchantment.is(EnchantmentTags.CURSE)) {
+                    ComponentUtils.mergeStyles(enchantmentText, Style.EMPTY.withColor(ChatFormatting.RED));
+                }else {
+                    ComponentUtils.mergeStyles(enchantmentText, Style.EMPTY.withColor(ChatFormatting.GRAY));
+                }
+                drawScaledText(context, enchantmentText, x,y+i, 0xFFFFFFFF,client.font);
+                i+=(int)(10*scaleFactor);
+            }
+        }
+
+        var writtenBookContentComponent = itemStack.getComponents().get(DataComponents.WRITTEN_BOOK_CONTENT);
+
+        if(writtenBookContentComponent != null){
+            drawScaledText(context, Component.translatable("book.byAuthor",writtenBookContentComponent.author()), x,y+(int)(20*scaleFactor), 0xFFFFFFFF, client.font);
+        }
+    }
+    private static void drawScaledText(GuiGraphics context, Component text, int centerX, int y, int color, Font textRenderer){
+        PoseStack stack = context.pose();
+        stack.pushPose();
+        stack.translate(centerX,y,0);
+        final float scale = (float) BookshelfInspectorClient.config.scale / 10;
+        stack.scale(scale, scale, scale);
+        stack.translate(-centerX,-y,0);
+        context.drawCenteredString(textRenderer,text,centerX,y,color);
+        stack.popPose();
+    }
+}

common/src/main/java/com/lukasabbe/bookshelfinspector/renderer/Inspector.java

@@ -0,0 +1,121 @@
+package com.lukasabbe.bookshelfinspector.renderer;
+
+import com.lukasabbe.bookshelfinspector.BookshelfInspectorClient;
+import com.lukasabbe.bookshelfinspector.data.BookData;
+import com.lukasabbe.bookshelfinspector.data.Tags;
+import com.lukasabbe.bookshelfinspector.mixin.BookshelfInvoker;
+import com.lukasabbe.bookshelfinspector.network.packets.BookShelfInventoryRequestPayload;
+import com.lukasabbe.bookshelfinspector.network.packets.LecternInventoryRequestPayload;
+import com.lukasabbe.bookshelfinspector.platform.Services;
+import net.minecraft.client.Minecraft;
+import net.minecraft.core.BlockPos;
+import net.minecraft.world.level.block.Blocks;
+import net.minecraft.world.level.block.ChiseledBookShelfBlock;
+import net.minecraft.world.level.block.state.BlockState;
+import net.minecraft.world.phys.BlockHitResult;
+import net.minecraft.world.phys.HitResult;
+
+import java.util.OptionalInt;
+
+import static com.lukasabbe.bookshelfinspector.BookshelfInspectorClient.*;
+
+public class Inspector {
+    public void inspect(Minecraft client){
+        if(!modAvailable) return;
+
+        if(client.cameraEntity == null || client.player == null) return;
+
+        //Send raycast max 5 blocks
+        HitResult hit = client.cameraEntity.pick(5f,0f,false);
+
+        //find block hit, if not found block returns
+        final HitResult.Type type = hit.getType();
+        if(type != HitResult.Type.BLOCK) {
+            resetBookShelfData();
+            return;
+        }
+
+        final BlockHitResult blockHitResult = (BlockHitResult) hit;
+        BlockPos pos = blockHitResult.getBlockPos();
+
+        if(bookShelfData.latestPos == null)
+            bookShelfData.latestPos = pos;
+
+        //If you look at a new block
+        if(!bookShelfData.latestPos.equals(pos)){
+            resetBookShelfData();
+            currentBookData = BookData.empty();
+        }
+        bookShelfData.latestPos = pos;
+
+
+        if(client.player.level().getBlockState(pos).is(Tags.CHISELED_BOOKSHELVES)){
+            bookShelfInspect(pos, blockHitResult, client);
+        }else if(client.player.level().getBlockState(pos).is(Blocks.LECTERN) && config.lecternToggle){
+            lecternInspect(pos);
+        }else{
+
+            bookShelfData.requestSent = false; // Just for servers that don't have the latest version of mod
+
+            if(!bookShelfData.isCurrentBookDataToggled) return;
+            resetBookShelfData();
+        }
+    }
+
+
+    private void lecternInspect(BlockPos pos){
+
+        //Checks if there is saved data.
+        final BookData currentBookData = BookshelfInspectorClient.currentBookData;
+
+        if(currentBookData.pos != null && currentBookData.pos.equals(pos)) return;
+
+        if(!bookShelfData.requestSent){
+            bookShelfData.requestSent = true;
+            Services.NETWORK_HELPER.sendPacketFromClient(new LecternInventoryRequestPayload(pos));
+        }
+    }
+
+
+    private void bookShelfInspect(BlockPos pos, BlockHitResult blockHitResult, Minecraft client){
+        final BlockState blockState = client.player.level().getBlockState(pos);
+
+        //Gets index position for a book in the bookshelf
+        ChiseledBookShelfBlock bookshelfBlock = (ChiseledBookShelfBlock) blockState.getBlock();
+        OptionalInt optionalInt = ((BookshelfInvoker)bookshelfBlock).invokerGetSlotForHitPos(blockHitResult,blockState);
+
+        //if the position is empty, return
+        if(optionalInt.isEmpty()) {
+            resetBookShelfData();
+            return;
+        }
+
+        //Checks if there is saved data.
+        final BookData currentBookData = BookshelfInspectorClient.currentBookData;
+
+        //Changes the id for the new one if it's new.
+        final int temp = bookShelfData.currentSlotInt;
+        final int slotNum = optionalInt.getAsInt();
+        bookShelfData.currentSlotInt = slotNum;
+
+        if(currentBookData.slotId!= slotNum && currentBookData.slotId!=-2 && !bookShelfData.requestSent){
+            bookShelfData.requestSent = true;
+            Services.NETWORK_HELPER.sendPacketFromClient(new BookShelfInventoryRequestPayload(pos, slotNum));
+        }
+        else {
+            if(temp == slotNum)
+                bookShelfData.isCurrentBookDataToggled = currentBookData.slotId != -2;
+            else{
+                bookShelfData.isCurrentBookDataToggled = false;
+                BookshelfInspectorClient.currentBookData = BookData.empty();
+            }
+        }
+    }
+
+    private void resetBookShelfData(){
+        if(!bookShelfData.isCurrentBookDataToggled) return;
+
+        bookShelfData.isCurrentBookDataToggled = false;
+        currentBookData = BookData.empty();
+    }
+}

common/src/main/java/com/lukasabbe/bookshelfinspector/util/BookshelfTools.java

@@ -0,0 +1,28 @@
+package com.lukasabbe.bookshelfinspector.util;
+
+import com.lukasabbe.bookshelfinspector.BookshelfInspector;
+import net.minecraft.core.BlockPos;
+import net.minecraft.world.entity.player.Player;
+import net.minecraft.world.item.ItemStack;
+import net.minecraft.world.level.Level;
+import net.minecraft.world.level.block.entity.BlockEntityType;
+import net.minecraft.world.level.block.entity.ChiseledBookShelfBlockEntity;
+
+import java.util.Optional;
+
+public class BookshelfTools {
+    public static ItemStack getItemById(BlockPos pos, int slotNum, Player player){
+        final Level world = BookshelfInspector.serverInstance.getPlayerList().getPlayer(player.getUUID()).level();
+
+        final Optional<ChiseledBookShelfBlockEntity> blockEntityOptional = world.getBlockEntity(pos, BlockEntityType.CHISELED_BOOKSHELF);
+
+        if(blockEntityOptional.isEmpty()) return null;
+
+        final ChiseledBookShelfBlockEntity blockEntity = blockEntityOptional.get();
+        final ItemStack stack = blockEntity.getItem(slotNum);
+
+        if(stack.isEmpty()) return null;
+
+        return stack;
+    }
+}

common/src/main/java/com/lukasabbe/bookshelfinspector/util/LecternTools.java

@@ -0,0 +1,24 @@
+package com.lukasabbe.bookshelfinspector.util;
+
+import com.lukasabbe.bookshelfinspector.BookshelfInspector;
+import net.minecraft.core.BlockPos;
+import net.minecraft.world.entity.player.Player;
+import net.minecraft.world.item.ItemStack;
+import net.minecraft.world.level.Level;
+import net.minecraft.world.level.block.entity.BlockEntityType;
+import net.minecraft.world.level.block.entity.LecternBlockEntity;
+
+import java.util.Optional;
+
+public class LecternTools {
+    public static ItemStack getItemStack(BlockPos pos, Player player){
+        final Level world = BookshelfInspector.serverInstance.getPlayerList().getPlayer(player.getUUID()).level();
+
+        Optional<LecternBlockEntity> blockEntityOptional = world.getBlockEntity(pos, BlockEntityType.LECTERN);
+        if(blockEntityOptional.isEmpty()) return null;
+
+        LecternBlockEntity lecternBlock = blockEntityOptional.get();
+
+        return lecternBlock.getBook();
+    }
+}

common/src/main/java/com/lukasabbe/bookshelfinspector/util/RomanNumerals.java

@@ -0,0 +1,33 @@
+package com.lukasabbe.bookshelfinspector.util;
+
+import java.util.TreeMap;
+
+public class RomanNumerals {
+    private final static TreeMap<Integer, String> map = new TreeMap<>();
+    static {
+        map.put(1000, "M");
+        map.put(900, "CM");
+        map.put(500, "D");
+        map.put(400, "CD");
+        map.put(100, "C");
+        map.put(90, "XC");
+        map.put(50, "L");
+        map.put(40, "XL");
+        map.put(10, "X");
+        map.put(9, "IX");
+        map.put(5, "V");
+        map.put(4, "IV");
+        map.put(1, "I");
+    }
+
+
+    public static String toRoman(int number){
+        int key = map.floorKey(number);
+
+        if(number == key){
+            return map.get(number);
+        }
+
+        return map.get(key) + toRoman(number-key);
+    }
+}

common/src/main/resources/assets/bookshelfinspector/lang/en_us.json

@@ -0,0 +1,10 @@
+{
+  "bookshelfinspector.config.title": "Bookshelf Inspector Config",
+  "bookshelfinspector.config.category": "Settings",
+  "bookshelfinspector.config.lectern.toggle": "Turn OFF or ON lectern support",
+  "bookshelfinspector.config.lectern.toggle.tooltip": "This will turn OFF/ON the visibility of lectern inspection",
+  "bookshelfinspector.config.scale": "Change the scale of the text",
+  "bookshelfinspector.config.scale.tooltip": "Change the scale of the text by dragging the slider",
+  "bookshelfinspector.config.roman_scale": "Use roman numerals!",
+  "bookshelfinspector.config.roman_scale.tooltip": "Use roman numerals or arabic numerals"
+}

common/src/main/resources/assets/bookshelfinspector/lang/sv_se.json

@@ -0,0 +1,10 @@
+{
+  "bookshelfinspector.config.title": "Bookshelf Inspector Config",
+  "bookshelfinspector.config.category": "Inställningar",
+  "bookshelfinspector.config.lectern.toggle": "Stäng AV eller PÅ läspulpet stöd",
+  "bookshelfinspector.config.lectern.toggle.tooltip": "Denna inställning kommer stänga av eller på synligeten av läspulpet inspektion",
+  "bookshelfinspector.config.scale": "Ändra storleken på texten",
+  "bookshelfinspector.config.scale.tooltip": "Du kan göra det igenom att dra på den nedan",
+  "bookshelfinspector.config.roman_scale": "Använd romerska siffror",
+  "bookshelfinspector.config.roman_scale.tooltip": "Använd romerska siffror eller arabiska siffror"
+}

common/src/main/resources/bookshelfinspector-config.yml

@@ -0,0 +1,3 @@
+lectern-toggle: true
+scale: 10
+roman: false

common/src/main/resources/bookshelfinspector.mixins.json

@@ -0,0 +1,19 @@
+{
+  "required": true,
+  "minVersion": "0.8",
+  "package": "com.lukasabbe.bookshelfinspector.mixin",
+  "refmap": "${mod_id}.refmap.json",
+  "compatibilityLevel": "JAVA_18",
+  "mixins": [
+  ],
+  "client": [
+    "BookshelfMixin",
+    "InGameHudMixin",
+    "BookshelfInvoker"
+  ],
+  "server": [],
+  "injectors": {
+    "defaultRequire": 1
+  }
+}
+

common/src/main/resources/data/c/tags/block/chiseled_bookshelves.json

@@ -0,0 +1,6 @@
+{
+  "replace": false,
+  "values": [
+    "minecraft:chiseled_bookshelf"
+  ]
+}

common/src/main/resources/pack.mcmeta

@@ -0,0 +1,6 @@
+{
+    "pack": {
+        "description": "${mod_name}",
+        "pack_format": 8
+    }
+}