add custom anvil gui text prompt

Core/pom.xml

@@ -97,6 +97,7 @@
             <version>1.14.4</version>
         </dependency-->
         <!-- Need to include all NMS modules here -->
+        <!-- Note when adding a new module: include the class in NmsManager -->
         <dependency>
             <groupId>${project.groupId}</groupId>
             <artifactId>SongodaCore-NMS-API</artifactId>

Core/src/main/java/com/songoda/core/gui/AnvilGui.java

@@ -0,0 +1,87 @@
+package com.songoda.core.gui;
+
+import com.songoda.core.compatibility.CompatibleMaterial;
+import com.songoda.core.nms.CoreNMS;
+import com.songoda.core.nms.CustomAnvil;
+import com.songoda.core.nms.NmsManager;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.Inventory;
+import org.bukkit.inventory.ItemStack;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * Anvil GUI for text prompts
+ *
+ * @since 2019-09-15
+ * @author jascotty2
+ */
+public class AnvilGui extends Gui {
+
+    final Player player;
+    CustomAnvil anvil;
+
+    public AnvilGui(Player player) {
+        this.player = player;
+    }
+
+    public AnvilGui(Player player, Gui parent) {
+        super(parent);
+        this.player = player;
+    }
+
+    public void open() {
+        anvil.open();
+    }
+
+    public AnvilGui setInput(ItemStack item) {
+        return (AnvilGui) this.setItem(0, item);
+    }
+
+    public ItemStack getInput() {
+        return this.getItem(0);
+    }
+
+    public AnvilGui setOutput(ItemStack item) {
+        return (AnvilGui) this.setItem(2, item);
+    }
+
+    public ItemStack getOutput() {
+        return this.getItem(2);
+    }
+
+    public String getInputText() {
+        return anvil != null ? anvil.getRenameText() : null;
+    }
+
+    @NotNull
+    @Override
+    protected Inventory generateInventory(@NotNull GuiManager manager) {
+        this.guiManager = manager;
+
+        createInventory();
+        ItemStack item;
+        if ((item = cellItems.get(0)) != null) {
+            inventory.setItem(0, item);
+        } else if ((item = cellItems.get(1)) != null) {
+            inventory.setItem(1, item);
+        } else if (!acceptsItems) {
+            inventory.setItem(0, GuiUtils.createButtonItem(CompatibleMaterial.PAPER, " ", " "));
+        }
+        if ((item = cellItems.get(2)) != null) {
+            inventory.setItem(2, item);
+        }
+
+        return inventory;
+    }
+
+    @Override
+    protected void createInventory() {
+        CoreNMS nms = NmsManager.getNMS();
+        if (nms != null) {
+            anvil = nms.createAnvil(player, new GuiHolder(guiManager, this));
+            anvil.setCustomTitle(title);
+            anvil.setLevelCost(0);
+            inventory = anvil.getInventory();
+        }
+    }
+}

Core/src/main/java/com/songoda/core/gui/GuiManager.java

@@ -78,20 +78,34 @@ public class GuiManager {
         } else if (!initialized) {
             init();
         }
-        Bukkit.getScheduler().runTaskAsynchronously(plugin, () -> {
+        if (gui instanceof AnvilGui) {
+            // bukkit throws a fit now if you try to set anvil stuff asyncronously
             Gui openInv = openInventories.get(player);
             if (openInv != null) {
                 openInv.open = false;
             }
-            Inventory inv = gui.getOrCreateInventory(this);
+            gui.getOrCreateInventory(this);
-            Bukkit.getScheduler().runTask(plugin, () -> {
+            ((AnvilGui) gui).open();
-                player.openInventory(inv);
+            gui.onOpen(this, player);
-                gui.onOpen(this, player);
+            synchronized (lock) {
-                synchronized(lock) {
+                openInventories.put(player, gui);
-                    openInventories.put(player, gui);
+            }
+        } else {
+            Bukkit.getScheduler().runTaskAsynchronously(plugin, () -> {
+                Gui openInv = openInventories.get(player);
+                if (openInv != null) {
+                    openInv.open = false;
                 }
+                Inventory inv = gui.getOrCreateInventory(this);
+                Bukkit.getScheduler().runTask(plugin, () -> {
+                    player.openInventory(inv);
+                    gui.onOpen(this, player);
+                    synchronized(lock) {
+                        openInventories.put(player, gui);
+                    }
+                });
             });
-        });
+        }
     }
 
     public void showPopup(Player player, String message) {
@@ -195,7 +209,11 @@ public class GuiManager {
             if (openInv.getHolder() != null && openInv.getHolder() instanceof GuiHolder
                     && ((GuiHolder) openInv.getHolder()).manager.uuid.equals(manager.uuid)) {
                 Gui gui = ((GuiHolder) openInv.getHolder()).getGUI();
-                if(!gui.open) {
+                if (gui instanceof AnvilGui) {
+                    gui.inventory.clear();
+                    gui.inventory = null;
+                }
+                if (!gui.open) {
                     return;
                 }
                 final Player player = (Player) event.getPlayer();

Core/src/main/java/com/songoda/core/gui/PopupMessage.java

@@ -31,9 +31,8 @@ class PopupMessage {
     private final NamespacedKey key;
     private final TextComponent title;
     CompatibleMaterial icon;
-    int iconAmount = 1; // experimental, untested
     TriggerType trigger = TriggerType.IMPOSSIBLE;
-    FrameType frame = FrameType.GOAL;
+    FrameType frame = FrameType.GOAL; // TASK is the default
     BackgroundType background = BackgroundType.ADVENTURE;
 
     PopupMessage(Plugin source, CompatibleMaterial icon, String title) {
@@ -58,9 +57,6 @@ class PopupMessage {
             if (this.icon.usesData()) {
                 displayIcon.addProperty("data", this.icon.getData());
             }
-            if (this.iconAmount > 1) {
-                displayIcon.addProperty("amount", this.iconAmount); // not entirely sure if this works
-            }
             advDisplay.add("icon", displayIcon);
         }
         advDisplay.add("title", gson.fromJson(ComponentSerializer.toString(this.title), JsonElement.class));

Core/src/main/java/com/songoda/core/nms/NmsManager.java

@@ -11,13 +11,38 @@ public class NmsManager {
     private final static CoreNMS nms = _getNMS();
 
     private static CoreNMS _getNMS() {
-        CoreNMS result = null;
+//        try {
-        try {
+//            return (CoreNMS) Class.forName("com.songoda.core.nms." + serverPackageVersion + ".NMS").newInstance();
-            result = (CoreNMS) Class.forName("com.songoda.core.nms." + serverPackageVersion + ".NMS").newInstance();
+//        } catch (Exception ex) {
-        } catch (Exception ex) {
+//            Logger.getLogger(NmsManager.class.getName()).log(Level.SEVERE, "Failed to load NMS for this server version", ex);
-            Logger.getLogger(NmsManager.class.getName()).log(Level.SEVERE, "Failed to load NMS for this server version", ex);
+//        }
+        // this block was only added to keep minimizeJar happy
+        switch (serverPackageVersion) {
+            case "v1_8_R1":
+                return new com.songoda.core.nms.v1_8_R1.NMS();
+            case "v1_8_R2":
+                return new com.songoda.core.nms.v1_8_R2.NMS();
+            case "v1_8_R3":
+                return new com.songoda.core.nms.v1_8_R3.NMS();
+            case "v1_9_R1":
+                return new com.songoda.core.nms.v1_9_R1.NMS();
+            case "v1_9_R2":
+                return new com.songoda.core.nms.v1_9_R2.NMS();
+            case "v1_10_R1":
+                return new com.songoda.core.nms.v1_10_R1.NMS();
+            case "v1_11_R1":
+                return new com.songoda.core.nms.v1_11_R1.NMS();
+            case "v1_12_R1":
+                return new com.songoda.core.nms.v1_12_R1.NMS();
+            case "v1_13_R1":
+                return new com.songoda.core.nms.v1_13_R1.NMS();
+            case "v1_13_R2":
+                return new com.songoda.core.nms.v1_13_R2.NMS();
+            case "v1_14_R1":
+                return new com.songoda.core.nms.v1_14_R1.NMS();
         }
-        return result;
+        Logger.getLogger(NmsManager.class.getName()).log(Level.SEVERE, "Failed to load NMS for this server version: version {0} not found", serverPackageVersion);
+        return null;
     }
 
     public static CoreNMS getNMS() {