Fixes Book Material problem in 1.12.2 or below

Author: LOOHP

pom.xml

@@ -31,6 +31,14 @@
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-shade-plugin</artifactId>
 				<version>3.1.0</version>
+				<configuration>
+					<relocations>
+						<relocation>
+							<pattern>com.cryptomorin.xseries</pattern>
+							<shadedPattern>com.loohp.interactivechat.Utils</shadedPattern>
+						</relocation>
+					</relocations>
+				</configuration>
 				<executions>
 					<execution>
 						<phase>package</phase>
@@ -78,6 +86,12 @@
 	</repositories>
 
 	<dependencies>
+		<dependency>
+			<groupId>com.github.cryptomorin</groupId>
+			<artifactId>XSeries</artifactId>
+			<version>7.2.1.2</version>
+			<scope>compile</scope>
+		</dependency>
 		<dependency>
 			<groupId>org.apache.commons</groupId>
 			<artifactId>commons-lang3</artifactId>

src/com/loohp/interactivechat/Listeners/ChatPackets.java

@@ -211,7 +211,7 @@ public void onPacketSending(PacketEvent event) {
 		        Bukkit.getScheduler().runTaskLater(InteractiveChat.plugin, () -> {
 		        	InteractiveChat.keyTime.remove(rawMessageKey);
 		        	InteractiveChat.keyPlayer.remove(rawMessageKey);
-		        }, 5);
+		        }, 10);
 		        debug++;
 		        if (postEvent.isCancelled()) {
 		        	event.setReadOnly(false);

src/com/loohp/interactivechat/Listeners/Events.java

@@ -9,7 +9,6 @@
 import java.util.UUID;
 
 import org.bukkit.Bukkit;
-import org.bukkit.Material;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
@@ -23,6 +22,7 @@
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.BookMeta;
 
+import com.cryptomorin.xseries.XMaterial;
 import com.loohp.interactivechat.InteractiveChat;
 import com.loohp.interactivechat.ObjectHolders.CommandPlaceholderInfo;
 import com.loohp.interactivechat.ObjectHolders.ICPlaceholder;
@@ -290,18 +290,21 @@ public void onInventoryClick(InventoryClickEvent event) {
 		}
 		if (block && event.getRawSlot() < event.getView().getTopInventory().getSize()) {
 			if (event.getCurrentItem() != null) {
-				if (event.getCurrentItem().getType().equals(Material.WRITTEN_BOOK)) {
+				XMaterial xmaterial = XMaterial.matchXMaterial(event.getCurrentItem());
+				if (xmaterial.equals(XMaterial.WRITTEN_BOOK)) {
 					((Player) event.getWhoClicked()).openBook(event.getCurrentItem().clone());
-				} else if (event.getCurrentItem().getType().equals(Material.WRITABLE_BOOK)) {
-					ItemStack book = new ItemStack(Material.WRITTEN_BOOK);
-					BookMeta ori = (BookMeta) event.getCurrentItem().getItemMeta();
-					BookMeta dis = (BookMeta) book.getItemMeta();
-					List<BaseComponent[]> pages = new ArrayList<>(ori.spigot().getPages());
-					dis.spigot().setPages(pages);
-					dis.setTitle("Temp Book");
-					dis.setAuthor("InteractiveChat");
-					book.setItemMeta(dis);
-					((Player) event.getWhoClicked()).openBook(book);
+				} else if (xmaterial.equals(XMaterial.WRITABLE_BOOK)) {
+					ItemStack book = XMaterial.WRITTEN_BOOK.parseItem();
+					if (book != null && book.getItemMeta() instanceof BookMeta) { 
+						BookMeta ori = (BookMeta) event.getCurrentItem().getItemMeta();
+						BookMeta dis = (BookMeta) book.getItemMeta();
+						List<BaseComponent[]> pages = new ArrayList<>(ori.spigot().getPages());
+						dis.spigot().setPages(pages);
+						dis.setTitle("Temp Book");
+						dis.setAuthor("InteractiveChat");
+						book.setItemMeta(dis);
+						((Player) event.getWhoClicked()).openBook(book);
+					}
 				}
 			}
 		}