Implement Book pages (#408)

* add text component library
implement books

* add licence header

connector/pom.xml

@@ -139,5 +139,23 @@
             <artifactId>reflections</artifactId>
             <version>0.9.12</version>
         </dependency>
+        <dependency>
+            <groupId>net.kyori</groupId>
+            <artifactId>text-api</artifactId>
+            <version>3.0.3</version>
+            <scope>compile</scope>
+        </dependency>
+        <dependency>
+            <groupId>net.kyori</groupId>
+            <artifactId>text-serializer-gson</artifactId>
+            <version>3.0.3</version>
+            <scope>compile</scope>
+        </dependency>
+        <dependency>
+            <groupId>net.kyori</groupId>
+            <artifactId>text-serializer-legacy</artifactId>
+            <version>3.0.3</version>
+            <scope>compile</scope>
+        </dependency>
     </dependencies>
 </project>

connector/src/main/java/org/geysermc/connector/network/translators/item/translators/nbt/BookPagesTranslator.java

@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2019-2020 GeyserMC. http://geysermc.org
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @author GeyserMC
+ * @link https://github.com/GeyserMC/Geyser
+ */
+
+package org.geysermc.connector.network.translators.item.translators.nbt;
+
+import com.github.steveice10.opennbt.tag.builtin.CompoundTag;
+import com.github.steveice10.opennbt.tag.builtin.ListTag;
+import com.github.steveice10.opennbt.tag.builtin.StringTag;
+import com.github.steveice10.opennbt.tag.builtin.Tag;
+import org.geysermc.connector.network.translators.ItemRemapper;
+import org.geysermc.connector.network.translators.NbtItemStackTranslator;
+import org.geysermc.connector.network.translators.item.ItemEntry;
+import org.geysermc.connector.utils.MessageUtils;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@ItemRemapper
+public class BookPagesTranslator extends NbtItemStackTranslator {
+
+    @Override
+    public void translateToBedrock(CompoundTag itemTag, ItemEntry itemEntry) {
+        if (itemTag.contains("pages")) {
+            List<Tag> pages = new ArrayList<>();
+            ListTag pagesTag = itemTag.get("pages");
+            for (Tag tag : pagesTag.getValue()) {
+                if (!(tag instanceof StringTag))
+                    continue;
+
+                StringTag textTag = (StringTag) tag;
+
+                CompoundTag pageTag = new CompoundTag("");
+                pageTag.put(new StringTag("photoname", ""));
+                pageTag.put(new StringTag("text", MessageUtils.getBedrockMessage(textTag.getValue())));
+                pages.add(pageTag);
+            }
+
+            itemTag.remove("pages");
+            itemTag.put(new ListTag("pages", pages));
+        }
+    }
+
+    @Override
+    public void translateToJava(CompoundTag itemTag, ItemEntry itemEntry) {
+        if (itemTag.contains("pages")) {
+            List<Tag> pages = new ArrayList<>();
+            ListTag pagesTag = itemTag.get("pages");
+            for (Tag tag : pagesTag.getValue()) {
+                if (!(tag instanceof CompoundTag))
+                    continue;
+
+                CompoundTag pageTag = (CompoundTag) tag;
+
+                StringTag textTag = pageTag.get("text");
+                pages.add(new StringTag(MessageUtils.getJavaMessage(textTag.getValue())));
+            }
+
+            itemTag.remove("pages");
+            itemTag.put(new ListTag("pages", pages));
+        }
+    }
+}

connector/src/main/java/org/geysermc/connector/utils/MessageUtils.java

@@ -32,6 +32,9 @@ import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
 import com.google.gson.JsonParser;
 import com.google.gson.JsonPrimitive;
+import net.kyori.text.Component;
+import net.kyori.text.serializer.gson.GsonComponentSerializer;
+import net.kyori.text.serializer.legacy.LegacyComponentSerializer;
 import org.geysermc.connector.network.session.GeyserSession;
 
 import java.util.*;
@@ -118,7 +121,23 @@ public class MessageUtils {
     }
 
     public static String getBedrockMessage(Message message) {
-        return getTranslatedBedrockMessage(message, null, false);
+        Component component;
+        if (isMessage(message.getText())) {
+            component = GsonComponentSerializer.INSTANCE.deserialize(message.getText());
+        } else {
+            component = GsonComponentSerializer.INSTANCE.deserialize(message.toJsonString());
+        }
+        return LegacyComponentSerializer.legacy().serialize(component);
+    }
+
+    public static String getBedrockMessage(String message) {
+        Component component = GsonComponentSerializer.INSTANCE.deserialize(message);
+        return LegacyComponentSerializer.legacy().serialize(component);
+    }
+
+    public static String getJavaMessage(String message) {
+        Component component = LegacyComponentSerializer.legacy().deserialize(message);
+        return GsonComponentSerializer.INSTANCE.serialize(component);
     }
 
     /**