#333 1.13 compatibility

src/main/java/io/github/dre2n/dungeonsxl/announcer/Announcer.java

@@ -26,6 +26,7 @@ import io.github.dre2n.dungeonsxl.event.dgroup.DGroupCreateEvent;
 import io.github.dre2n.dungeonsxl.player.DGroup;
 import io.github.dre2n.dungeonsxl.util.DColor;
 import io.github.dre2n.dungeonsxl.util.GUIUtil;
+import io.github.dre2n.dungeonsxl.util.LegacyUtil;
 import java.io.File;
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -36,7 +37,6 @@ import net.md_5.bungee.api.chat.ClickEvent;
 import net.md_5.bungee.api.chat.TextComponent;
 import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
-import org.bukkit.Material;
 import org.bukkit.configuration.file.FileConfiguration;
 import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.entity.Player;
@@ -440,7 +440,7 @@ public class Announcer {
 
             boolean full = playerCount >= maxPlayersPerGroup;
 
-            ItemStack button = new ItemStack(Material.WOOL, 1, plugin.getMainConfig().getGroupColorPriority().get(groupCount).getWoolData());
+            ItemStack button = LegacyUtil.createColoredWool(plugin.getMainConfig().getGroupColorPriority().get(groupCount));
             ItemMeta meta = button.getItemMeta();
             meta.setDisplayName(name + (full ? ChatColor.DARK_RED : ChatColor.GREEN) + " [" + playerCount + "/" + maxPlayersPerGroup + "]");
             meta.setLore(lore);

src/main/java/io/github/dre2n/dungeonsxl/command/PortalCommand.java

@@ -24,6 +24,7 @@ import io.github.dre2n.dungeonsxl.global.DPortal;
 import io.github.dre2n.dungeonsxl.player.DGamePlayer;
 import io.github.dre2n.dungeonsxl.player.DGlobalPlayer;
 import io.github.dre2n.dungeonsxl.player.DPermission;
+import io.github.dre2n.dungeonsxl.util.LegacyUtil;
 import org.bukkit.Material;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
@@ -72,7 +73,7 @@ public class PortalCommand extends DRECommand {
             dGlobalPlayer.setCreatingPortal(dPortal);
             dPortal.setWorld(player.getWorld());
             dGlobalPlayer.setCachedItem(player.getItemInHand());
-            player.getInventory().setItemInHand(new ItemStack(Material.WOOD_SWORD));
+            player.getInventory().setItemInHand(new ItemStack(LegacyUtil.WOODEN_SWORD));
             MessageUtil.sendMessage(player, DMessage.PLAYER_PORTAL_INTRODUCTION.getMessage());
 
         } else {

src/main/java/io/github/dre2n/dungeonsxl/global/GameSign.java

@@ -23,6 +23,7 @@ import io.github.dre2n.dungeonsxl.config.DMessage;
 import io.github.dre2n.dungeonsxl.dungeon.Dungeon;
 import io.github.dre2n.dungeonsxl.game.Game;
 import io.github.dre2n.dungeonsxl.player.DGroup;
+import io.github.dre2n.dungeonsxl.util.LegacyUtil;
 import io.github.dre2n.dungeonsxl.world.DResourceWorld;
 import java.util.HashSet;
 import java.util.Set;
@@ -242,7 +243,7 @@ public class GameSign extends GlobalProtection {
      * a block which is protected by the returned GameSign
      */
     public static GameSign getByBlock(Block block) {
-        if (!(block.getType() == Material.WALL_SIGN || block.getType() == Material.SIGN_POST)) {
+        if (!LegacyUtil.isSign(block)) {
             return null;
         }
 

src/main/java/io/github/dre2n/dungeonsxl/global/GlobalProtectionListener.java

@@ -21,9 +21,9 @@ import io.github.dre2n.dungeonsxl.DungeonsXL;
 import io.github.dre2n.dungeonsxl.config.DMessage;
 import io.github.dre2n.dungeonsxl.player.DGlobalPlayer;
 import io.github.dre2n.dungeonsxl.player.DPermission;
+import io.github.dre2n.dungeonsxl.util.LegacyUtil;
 import io.github.dre2n.dungeonsxl.world.DEditWorld;
 import java.util.List;
-import org.bukkit.Material;
 import org.bukkit.block.Block;
 import org.bukkit.block.BlockFace;
 import org.bukkit.block.Sign;
@@ -59,7 +59,7 @@ public class GlobalProtectionListener implements Listener {
         }
 
         //return if above block is not a sign
-        if (blockAbove.getType() != Material.SIGN_POST && blockAbove.getType() != Material.WALL_SIGN) {
+        if (!LegacyUtil.isSign(blockAbove)) {
             return;
         }
 
@@ -146,7 +146,7 @@ public class GlobalProtectionListener implements Listener {
         }
         ItemStack item = event.getItem();
         Block block = event.getClickedBlock();
-        if (item.getType() != Material.WOOD_SWORD || block == null) {
+        if (item.getType() != LegacyUtil.WOODEN_SWORD || block == null) {
             return;
         }
 
@@ -185,7 +185,7 @@ public class GlobalProtectionListener implements Listener {
             return;
         }
 
-        if (clickedBlock.getType() == Material.WALL_SIGN || clickedBlock.getType() == Material.SIGN_POST) {
+        if (LegacyUtil.isSign(clickedBlock)) {
             // Check Group Signs
             if (GroupSign.playerInteract(clickedBlock, player)) {
                 event.setCancelled(true);

src/main/java/io/github/dre2n/dungeonsxl/global/GroupSign.java

@@ -22,6 +22,7 @@ import io.github.dre2n.dungeonsxl.DungeonsXL;
 import io.github.dre2n.dungeonsxl.config.DMessage;
 import io.github.dre2n.dungeonsxl.dungeon.Dungeon;
 import io.github.dre2n.dungeonsxl.player.DGroup;
+import io.github.dre2n.dungeonsxl.util.LegacyUtil;
 import io.github.dre2n.dungeonsxl.world.DResourceWorld;
 import java.util.HashSet;
 import java.util.Set;
@@ -241,7 +242,7 @@ public class GroupSign extends GlobalProtection {
      * a block which is protected by the returned GroupSign
      */
     public static GroupSign getByBlock(Block block) {
-        if (!(block.getType() == Material.WALL_SIGN || block.getType() == Material.SIGN_POST)) {
+        if (!LegacyUtil.isSign(block)) {
             return null;
         }
 

src/main/java/io/github/dre2n/dungeonsxl/mob/DMobType.java

@@ -20,6 +20,7 @@ import io.github.dre2n.commons.chat.MessageUtil;
 import io.github.dre2n.commons.misc.EnumUtil;
 import io.github.dre2n.commons.misc.NumberUtil;
 import io.github.dre2n.dungeonsxl.config.DMessage;
+import io.github.dre2n.dungeonsxl.util.LegacyUtil;
 import io.github.dre2n.dungeonsxl.world.DGameWorld;
 import java.io.File;
 import java.util.Arrays;
@@ -89,23 +90,23 @@ public class DMobType {
 
         // Load Items
         if (config.contains("itemHelmet")) {
-            itemHelmet = new ItemStack(config.getInt("itemHelmet"));
+            itemHelmet = new ItemStack(LegacyUtil.getMaterial(config.getInt("itemHelmet")));
         }
 
         if (config.contains("itemChestplate")) {
-            itemChestplate = new ItemStack(config.getInt("itemChestplate"));
+            itemChestplate = new ItemStack(LegacyUtil.getMaterial(config.getInt("itemChestplate")));
         }
 
         if (config.contains("itemBoots")) {
-            itemBoots = new ItemStack(config.getInt("itemBoots"));
+            itemBoots = new ItemStack(LegacyUtil.getMaterial(config.getInt("itemBoots")));
         }
 
         if (config.contains("itemLeggings")) {
-            itemLeggings = new ItemStack(config.getInt("itemLeggings"));
+            itemLeggings = new ItemStack(LegacyUtil.getMaterial(config.getInt("itemLeggings")));
         }
 
         if (config.contains("itemHand")) {
-            itemHand = new ItemStack(config.getInt("itemHand"));
+            itemHand = new ItemStack(LegacyUtil.getMaterial(config.getInt("itemHand")));
         }
 
         // Load different Mob options
@@ -127,7 +128,7 @@ public class DMobType {
                 int chance = 100;
 
                 /* Item Stack */
-                Material mat = Material.getMaterial(configSetion.getInt(dropPath + ".id"));
+                Material mat = LegacyUtil.getMaterial(configSetion.getInt(dropPath + ".id"));
                 int amount = 1;
                 short data = 0;
 

src/main/java/io/github/dre2n/dungeonsxl/player/DGamePlayer.java

@@ -34,6 +34,7 @@ import io.github.dre2n.dungeonsxl.mob.DMob;
 import io.github.dre2n.dungeonsxl.requirement.Requirement;
 import io.github.dre2n.dungeonsxl.reward.Reward;
 import io.github.dre2n.dungeonsxl.trigger.DistanceTrigger;
+import io.github.dre2n.dungeonsxl.util.LegacyUtil;
 import io.github.dre2n.dungeonsxl.world.DGameWorld;
 import io.github.dre2n.dungeonsxl.world.DResourceWorld;
 import io.github.dre2n.dungeonsxl.world.block.TeamFlag;
@@ -273,19 +274,19 @@ public class DGamePlayer extends DInstancePlayer {
 
                     // Leggings
                     if (istack.getType() == Material.LEATHER_LEGGINGS || istack.getType() == Material.CHAINMAIL_LEGGINGS || istack.getType() == Material.IRON_LEGGINGS
-                            || istack.getType() == Material.DIAMOND_LEGGINGS || istack.getType() == Material.GOLD_LEGGINGS) {
+                            || istack.getType() == Material.DIAMOND_LEGGINGS || istack.getType() == LegacyUtil.GOLDEN_LEGGINGS) {
                         getPlayer().getInventory().setLeggings(istack);
                     } // Helmet
                     else if (istack.getType() == Material.LEATHER_HELMET || istack.getType() == Material.CHAINMAIL_HELMET || istack.getType() == Material.IRON_HELMET
-                            || istack.getType() == Material.DIAMOND_HELMET || istack.getType() == Material.GOLD_HELMET) {
+                            || istack.getType() == Material.DIAMOND_HELMET || istack.getType() == LegacyUtil.GOLDEN_HELMET) {
                         getPlayer().getInventory().setHelmet(istack);
                     } // Chestplate
                     else if (istack.getType() == Material.LEATHER_CHESTPLATE || istack.getType() == Material.CHAINMAIL_CHESTPLATE || istack.getType() == Material.IRON_CHESTPLATE
-                            || istack.getType() == Material.DIAMOND_CHESTPLATE || istack.getType() == Material.GOLD_CHESTPLATE) {
+                            || istack.getType() == Material.DIAMOND_CHESTPLATE || istack.getType() == LegacyUtil.GOLDEN_CESTPLATE) {
                         getPlayer().getInventory().setChestplate(istack);
                     } // Boots
                     else if (istack.getType() == Material.LEATHER_BOOTS || istack.getType() == Material.CHAINMAIL_BOOTS || istack.getType() == Material.IRON_BOOTS
-                            || istack.getType() == Material.DIAMOND_BOOTS || istack.getType() == Material.GOLD_BOOTS) {
+                            || istack.getType() == Material.DIAMOND_BOOTS || istack.getType() == LegacyUtil.GOLDEN_BOOTS) {
                         getPlayer().getInventory().setBoots(istack);
                     } else {
                         getPlayer().getInventory().addItem(istack);
@@ -406,7 +407,7 @@ public class DGamePlayer extends DInstancePlayer {
     public void setRobbedGroup(DGroup dGroup) {
         if (dGroup != null) {
             oldHelmet = player.getInventory().getHelmet();
-            player.getInventory().setHelmet(new ItemStack(Material.WOOL, 1, getDGroup().getDColor().getWoolData()));
+            player.getInventory().setHelmet(LegacyUtil.createColoredWool(getDGroup().getDColor()));
         }
 
         stealing = dGroup;

src/main/java/io/github/dre2n/dungeonsxl/player/DGroupTag.java

@@ -19,8 +19,7 @@ package io.github.dre2n.dungeonsxl.player;
 import com.gmail.filoghost.holographicdisplays.api.Hologram;
 import com.gmail.filoghost.holographicdisplays.api.HologramsAPI;
 import io.github.dre2n.dungeonsxl.DungeonsXL;
-import org.bukkit.Material;
+import io.github.dre2n.dungeonsxl.util.LegacyUtil;
-import org.bukkit.inventory.ItemStack;
 
 /**
  * @author Daniel Saukel
@@ -35,7 +34,7 @@ public class DGroupTag {
         DGroup group = player.getDGroup();
         if (group != null) {
             hologram = HologramsAPI.createHologram(DungeonsXL.getInstance(), player.getPlayer().getLocation().clone().add(0, 3.5, 0));
-            hologram.appendItemLine(new ItemStack(Material.WOOL, 1, group.getDColor().getWoolData()));
+            hologram.appendItemLine(LegacyUtil.createColoredWool(group.getDColor()));
             hologram.appendTextLine(group.getName());
         }
     }

src/main/java/io/github/dre2n/dungeonsxl/player/DPlayerListener.java

@@ -23,6 +23,7 @@ import io.github.dre2n.dungeonsxl.config.MainConfig;
 import io.github.dre2n.dungeonsxl.game.Game;
 import io.github.dre2n.dungeonsxl.mob.DMob;
 import io.github.dre2n.dungeonsxl.trigger.UseItemTrigger;
+import io.github.dre2n.dungeonsxl.util.LegacyUtil;
 import io.github.dre2n.dungeonsxl.util.ParsingUtil;
 import io.github.dre2n.dungeonsxl.world.DEditWorld;
 import io.github.dre2n.dungeonsxl.world.DGameWorld;
@@ -563,7 +564,7 @@ public class DPlayerListener implements Listener {
                             event.setCancelled(true);
                         }
 
-                    } else if (clickedBlock.getType() == Material.BED_BLOCK) {
+                    } else if (LegacyUtil.isBed(clickedBlock.getType())) {
                         if (!DPermission.hasPermission(player, DPermission.BYPASS)) {
                             MessageUtil.sendMessage(player, DMessage.ERROR_BED.getMessage());
                             event.setCancelled(true);
@@ -618,7 +619,7 @@ public class DPlayerListener implements Listener {
                         if (item.getItemMeta().hasDisplayName()) {
                             name = item.getItemMeta().getDisplayName();
 
-                        } else if (item.getType() == Material.WRITTEN_BOOK || item.getType() == Material.BOOK_AND_QUILL) {
+                        } else if (item.getType() == Material.WRITTEN_BOOK || item.getType() == LegacyUtil.WRITABLE_BOOK) {
                             if (item.getItemMeta() instanceof BookMeta) {
                                 BookMeta meta = (BookMeta) item.getItemMeta();
                                 if (meta.hasTitle()) {

src/main/java/io/github/dre2n/dungeonsxl/sign/BedSign.java

@@ -18,6 +18,7 @@ package io.github.dre2n.dungeonsxl.sign;
 
 import io.github.dre2n.commons.misc.BlockUtil;
 import io.github.dre2n.commons.misc.NumberUtil;
+import io.github.dre2n.dungeonsxl.util.LegacyUtil;
 import io.github.dre2n.dungeonsxl.world.DGameWorld;
 import io.github.dre2n.dungeonsxl.world.block.TeamBed;
 import org.bukkit.Material;
@@ -54,7 +55,7 @@ public class BedSign extends DSign {
         this.team = NumberUtil.parseInt(lines[1]);
         Block block = BlockUtil.getAttachedBlock(getSign().getBlock());
 
-        if (block.getType() == Material.BED_BLOCK) {
+        if (LegacyUtil.isBed(block.getType())) {
             if (getGame().getDGroups().size() > team) {
                 getGameWorld().addGameBlock(new TeamBed(block, getGame().getDGroups().get(team)));
             }

src/main/java/io/github/dre2n/dungeonsxl/sign/message/HologramSign.java

@@ -27,6 +27,7 @@ import io.github.dre2n.commons.misc.NumberUtil;
 import io.github.dre2n.dungeonsxl.sign.DSign;
 import io.github.dre2n.dungeonsxl.sign.DSignType;
 import io.github.dre2n.dungeonsxl.sign.DSignTypeDefault;
+import io.github.dre2n.dungeonsxl.util.LegacyUtil;
 import io.github.dre2n.dungeonsxl.world.DGameWorld;
 import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
@@ -83,7 +84,7 @@ public class HologramSign extends DSign {
                         item = new ItemStack(Material.valueOf(id));
 
                     } else {
-                        item = new ItemStack(NumberUtil.parseInt(id, 1));
+                        item = new ItemStack(LegacyUtil.getMaterial(NumberUtil.parseInt(id, 1)));
                     }
                 }
 

src/main/java/io/github/dre2n/dungeonsxl/util/DColor.java

@@ -18,6 +18,7 @@ package io.github.dre2n.dungeonsxl.util;
 
 import org.bukkit.ChatColor;
 import org.bukkit.DyeColor;
+import org.bukkit.Material;
 
 /**
  * Links different color types together.
@@ -26,29 +27,31 @@ import org.bukkit.DyeColor;
  */
 public enum DColor {
 
-    BLACK(ChatColor.BLACK, DyeColor.BLACK),
+    BLACK(ChatColor.BLACK, DyeColor.BLACK, Material.BLACK_WOOL),
-    DARK_GRAY(ChatColor.DARK_GRAY, DyeColor.GRAY),
+    DARK_GRAY(ChatColor.DARK_GRAY, DyeColor.GRAY, Material.GRAY_WOOL),
-    LIGHT_GRAY(ChatColor.GRAY, DyeColor.SILVER),
+    LIGHT_GRAY(ChatColor.GRAY, DyeColor.SILVER, Material.LIGHT_GRAY_WOOL),
-    WHITE(ChatColor.WHITE, DyeColor.WHITE),
+    WHITE(ChatColor.WHITE, DyeColor.WHITE, Material.WHITE_WOOL),
-    DARK_GREEN(ChatColor.DARK_GREEN, DyeColor.GREEN),
+    DARK_GREEN(ChatColor.DARK_GREEN, DyeColor.GREEN, Material.GREEN_WOOL),
-    LIGHT_GREEN(ChatColor.GREEN, DyeColor.LIME),
+    LIGHT_GREEN(ChatColor.GREEN, DyeColor.LIME, Material.LIME_WOOL),
-    CYAN(ChatColor.DARK_AQUA, DyeColor.CYAN),
+    CYAN(ChatColor.DARK_AQUA, DyeColor.CYAN, Material.CYAN_WOOL),
-    DARK_BLUE(ChatColor.DARK_BLUE, DyeColor.BLUE),
+    DARK_BLUE(ChatColor.DARK_BLUE, DyeColor.BLUE, Material.BLUE_WOOL),
-    LIGHT_BLUE(ChatColor.AQUA, DyeColor.LIGHT_BLUE),
+    LIGHT_BLUE(ChatColor.AQUA, DyeColor.LIGHT_BLUE, Material.LIGHT_BLUE_WOOL),
-    PURPLE(ChatColor.DARK_PURPLE, DyeColor.PURPLE),
+    PURPLE(ChatColor.DARK_PURPLE, DyeColor.PURPLE, Material.PURPLE_WOOL),
-    MAGENTA(ChatColor.LIGHT_PURPLE, DyeColor.MAGENTA),
+    MAGENTA(ChatColor.LIGHT_PURPLE, DyeColor.MAGENTA, Material.MAGENTA_WOOL),
-    DARK_RED(ChatColor.DARK_RED, DyeColor.BROWN),
+    DARK_RED(ChatColor.DARK_RED, DyeColor.BROWN, Material.BROWN_WOOL),
-    LIGHT_RED(ChatColor.RED, DyeColor.RED),
+    LIGHT_RED(ChatColor.RED, DyeColor.RED, Material.RED_WOOL),
-    ORANGE(ChatColor.GOLD, DyeColor.ORANGE),
+    ORANGE(ChatColor.GOLD, DyeColor.ORANGE, Material.ORANGE_WOOL),
-    YELLOW(ChatColor.YELLOW, DyeColor.YELLOW),
+    YELLOW(ChatColor.YELLOW, DyeColor.YELLOW, Material.YELLOW_WOOL),
-    DEFAULT(ChatColor.BLUE, DyeColor.PINK);
+    DEFAULT(ChatColor.BLUE, DyeColor.PINK, Material.PINK_WOOL);
 
     private ChatColor chat;
     private DyeColor dye;
+    private Material woolMaterial;
 
-    DColor(ChatColor chat, DyeColor dye) {
+    DColor(ChatColor chat, DyeColor dye, Material woolMaterial) {
         this.chat = chat;
         this.dye = dye;
+        this.woolMaterial = woolMaterial;
     }
 
     /**
@@ -73,7 +76,7 @@ public enum DColor {
     }
 
     /**
-     * @deprecated Use getDyeColor() instead
+     * @deprecated Use getDyeColor() or getMaterial() instead
      * @return the wool DV
      */
     @Deprecated
@@ -81,6 +84,13 @@ public enum DColor {
         return dye.getWoolData();
     }
 
+    /**
+     * @return the wool material
+     */
+    public Material getWoolMaterial() {
+        return woolMaterial;
+    }
+
     /**
      * @param color
      * the DyeColor to check

src/main/java/io/github/dre2n/dungeonsxl/util/DeserializationUtil.java

@@ -19,6 +19,7 @@ package io.github.dre2n.dungeonsxl.util;
 import io.github.dre2n.commons.misc.NumberUtil;
 import java.util.ArrayList;
 import java.util.List;
+import org.bukkit.Material;
 import org.bukkit.enchantments.Enchantment;
 import org.bukkit.inventory.ItemStack;
 
@@ -62,7 +63,7 @@ public class DeserializationUtil {
                 }
 
                 // Add Item to Stacks
-                ItemStack itemStack = new ItemStack(itemId, itemSize, (short) itemData);
+                ItemStack itemStack = new ItemStack(LegacyUtil.getMaterial(itemId), itemSize, (short) itemData);
                 if (itemEnchantment != null) {
                     itemStack.addEnchantment(itemEnchantment, itemLvlEnchantment);
                 }

src/main/java/io/github/dre2n/dungeonsxl/util/GUIButton.java

@@ -33,14 +33,14 @@ import org.bukkit.potion.PotionType;
 public class GUIButton {
 
     /* Raw skulls */
-    public static final ItemStack SKULL = new ItemStack(Material.SKULL_ITEM, 1, (short) 3);
+    public static final ItemStack LEFT = ItemUtil.setSkullOwner(LegacyUtil.RAW_PLAYER_HEAD, "69b9a08d-4e89-4878-8be8-551caeacbf2a", "eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvM2ViZjkwNzQ5NGE5MzVlOTU1YmZjYWRhYjgxYmVhZmI5MGZiOWJlNDljNzAyNmJhOTdkNzk4ZDVmMWEyMyJ9fX0=");
-    public static final ItemStack LEFT = ItemUtil.setSkullOwner(SKULL, "69b9a08d-4e89-4878-8be8-551caeacbf2a", "eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvM2ViZjkwNzQ5NGE5MzVlOTU1YmZjYWRhYjgxYmVhZmI5MGZiOWJlNDljNzAyNmJhOTdkNzk4ZDVmMWEyMyJ9fX0=");
+    public static final ItemStack RIGHT = ItemUtil.setSkullOwner(LegacyUtil.RAW_PLAYER_HEAD, "15f49744-9b61-46af-b1c3-71c6261a0d0e", "eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvMWI2ZjFhMjViNmJjMTk5OTQ2NDcyYWVkYjM3MDUyMjU4NGZmNmY0ZTgzMjIxZTU5NDZiZDJlNDFiNWNhMTNiIn19fQ==");
-    public static final ItemStack RIGHT = ItemUtil.setSkullOwner(SKULL, "15f49744-9b61-46af-b1c3-71c6261a0d0e", "eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvMWI2ZjFhMjViNmJjMTk5OTQ2NDcyYWVkYjM3MDUyMjU4NGZmNmY0ZTgzMjIxZTU5NDZiZDJlNDFiNWNhMTNiIn19fQ==");
 
     /* GUI buttons */
     public static final ItemStack NEXT_PAGE = setDisplayName(RIGHT, DMessage.MISC_NEXT_PAGE.getMessage());
     public static final ItemStack PREVIOUS_PAGE = setDisplayName(LEFT, DMessage.MISC_PREVIOUS_PAGE.getMessage());
-    public static final ItemStack PLACEHOLDER = setDisplayName(new ItemStack(Material.STAINED_GLASS_PANE, 1, (short) 15), ChatColor.RESET.toString());
+    public static final ItemStack PLACEHOLDER = setDisplayName(LegacyUtil.RAW_PLACEHOLDER, ChatColor.RESET.toString());
+    ;
 
     /* Blank items that show meta stuff by default */
     public static final ItemStack GUI_SWORD = new ItemStack(Material.IRON_SWORD);

src/main/java/io/github/dre2n/dungeonsxl/util/LegacyUtil.java

@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2012-2018 Frank Baumann
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package io.github.dre2n.dungeonsxl.util;
+
+import io.github.dre2n.commons.compatibility.CompatibilityHandler;
+import io.github.dre2n.commons.compatibility.Version;
+import org.bukkit.Material;
+import org.bukkit.block.Block;
+import org.bukkit.inventory.ItemStack;
+
+/**
+ * Methods for backwards compatibility
+ *
+ * @author Daniel Saukel
+ */
+@Deprecated
+public class LegacyUtil {
+
+    public static boolean is1_9 = Version.andHigher(Version.MC1_9).contains(CompatibilityHandler.getInstance().getVersion());
+    public static boolean is1_13 = Version.andHigher(Version.MC1_13).contains(CompatibilityHandler.getInstance().getVersion());
+
+    public static Material WOODEN_SWORD = is1_13 ? Material.valueOf("WOODEN_SWORD") : Material.valueOf("WOOD_SWORD");
+    public static Material GOLDEN_HELMET = is1_13 ? Material.valueOf("GOLDEN_HELMET") : Material.valueOf("GOLD_HELMET");
+    public static Material GOLDEN_CESTPLATE = is1_13 ? Material.valueOf("GOLDEN_CHESTPLATE") : Material.valueOf("GOLD_CHESTPLATE");
+    public static Material GOLDEN_LEGGINGS = is1_13 ? Material.valueOf("GOLDEN_LEGGINGS") : Material.valueOf("GOLD_LEGGINGS");
+    public static Material GOLDEN_BOOTS = is1_13 ? Material.valueOf("GOLDEN_BOOTS") : Material.valueOf("GOLD_BOOTS");
+    public static Material WRITABLE_BOOK = is1_13 ? Material.valueOf("WRITABLE_BOOK") : Material.valueOf("BOOK_AND_QUILL");
+    private static Material LEGACY_WOOL = Material.valueOf("WOOL");
+    private static Material LEGACY_SIGN_POST = Material.valueOf("SIGN_POST");
+    public static ItemStack RAW_PLACEHOLDER = is1_13 ? new ItemStack(Material.valueOf("BLACK_STAINED_GLASS_PANE")) : new ItemStack(Material.valueOf("STAINED_GLASS_PANE"), 1, (short) 15);
+    public static ItemStack RAW_PLAYER_HEAD = is1_13 ? new ItemStack(Material.valueOf("PLAYER_HEAD")) : new ItemStack(Material.valueOf("SKULL"), 1, (short) 3);
+
+    public static boolean isSign(Block block) {
+        if (is1_13) {
+            return block.getType() == Material.SIGN || block.getType() == Material.WALL_SIGN;
+        } else {
+            return block.getType() == LEGACY_SIGN_POST || block.getType() == Material.WALL_SIGN;
+        }
+    }
+
+    public static boolean isBed(Material material) {
+        return material.name().endsWith("_BED") || material.name().equals("BED_BLOCK") || material.name().equals("BED");
+    }
+
+    public static ItemStack createColoredWool(DColor color) {
+        if (is1_13) {
+            return new ItemStack(color.getWoolMaterial());
+        } else {
+            return new ItemStack(LEGACY_WOOL, 1, color.getWoolData());
+        }
+    }
+
+    public static void setBlockWoolColor(Block block, DColor color) {
+        if (is1_13) {
+            block.setType(color.getWoolMaterial());
+        } else {
+            block.setTypeIdAndData(35, color.getWoolData(), false);
+        }
+    }
+
+    public static Material getMaterial(int id) {
+        return Material.getMaterial(id);
+    }
+
+}

src/main/java/io/github/dre2n/dungeonsxl/world/block/PlaceableBlock.java

@@ -17,6 +17,7 @@
 package io.github.dre2n.dungeonsxl.world.block;
 
 import io.github.dre2n.commons.misc.NumberUtil;
+import io.github.dre2n.dungeonsxl.util.LegacyUtil;
 import io.github.dre2n.dungeonsxl.world.DGameWorld;
 import java.util.HashSet;
 import java.util.Set;
@@ -47,7 +48,7 @@ public class PlaceableBlock extends GameBlock {
         if (!ids.isEmpty()) {
             String[] splittedIds = ids.split(",");
             for (String id : splittedIds) {
-                Material material = Material.getMaterial(NumberUtil.parseInt(id));
+                Material material = LegacyUtil.getMaterial(NumberUtil.parseInt(id));
                 if (material != null) {
                     materials.add(material);
                 }

src/main/java/io/github/dre2n/dungeonsxl/world/block/TeamBed.java

@@ -20,6 +20,7 @@ import io.github.dre2n.commons.chat.MessageUtil;
 import io.github.dre2n.dungeonsxl.config.DMessage;
 import io.github.dre2n.dungeonsxl.player.DGamePlayer;
 import io.github.dre2n.dungeonsxl.player.DGroup;
+import io.github.dre2n.dungeonsxl.util.LegacyUtil;
 import org.bukkit.Material;
 import org.bukkit.block.Block;
 import org.bukkit.block.BlockFace;
@@ -41,16 +42,16 @@ public class TeamBed extends TeamBlock implements MultiBlock {
 
     /* Getters and setters */
     public Block getAttachedBlock(Block block) {
-        if (block.getRelative(BlockFace.EAST).getType() == Material.BED_BLOCK) {
+        if (LegacyUtil.isBed(block.getRelative(BlockFace.EAST).getType())) {
             return block.getRelative(BlockFace.EAST);
 
-        } else if (block.getRelative(BlockFace.NORTH).getType() == Material.BED_BLOCK) {
+        } else if (LegacyUtil.isBed(block.getRelative(BlockFace.NORTH).getType())) {
             return block.getRelative(BlockFace.NORTH);
 
-        } else if (block.getRelative(BlockFace.WEST).getType() == Material.BED_BLOCK) {
+        } else if (LegacyUtil.isBed(block.getRelative(BlockFace.WEST).getType())) {
             return block.getRelative(BlockFace.WEST);
 
-        } else if (block.getRelative(BlockFace.SOUTH).getType() == Material.BED_BLOCK) {
+        } else if (LegacyUtil.isBed(block.getRelative(BlockFace.SOUTH).getType())) {
             return block.getRelative(BlockFace.SOUTH);
 
         } else {

src/main/java/io/github/dre2n/dungeonsxl/world/block/TeamFlag.java

@@ -20,6 +20,7 @@ import io.github.dre2n.commons.chat.MessageUtil;
 import io.github.dre2n.dungeonsxl.config.DMessage;
 import io.github.dre2n.dungeonsxl.player.DGamePlayer;
 import io.github.dre2n.dungeonsxl.player.DGroup;
+import io.github.dre2n.dungeonsxl.util.LegacyUtil;
 import org.bukkit.Material;
 import org.bukkit.block.Block;
 import org.bukkit.entity.Player;
@@ -30,8 +31,6 @@ import org.bukkit.event.block.BlockBreakEvent;
  */
 public class TeamFlag extends TeamBlock {
 
-    public static final int WOOL = 35;
-
     public TeamFlag(Block block, DGroup owner) {
         super(block, owner);
         reset();
@@ -42,7 +41,7 @@ public class TeamFlag extends TeamBlock {
      * Reset a team flag when the capturer dies.
      */
     public void reset() {
-        block.setTypeIdAndData(WOOL, owner.getDColor().getWoolData(), false);
+        LegacyUtil.setBlockWoolColor(block, owner.getDColor());
     }
 
     @Override