equip feature and permissions

Author: Simplicitee

pom.xml

@@ -2,7 +2,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>project</groupId>
   <artifactId>items</artifactId>
-  <version>1.2.0</version>
+  <version>1.3.0</version>
   <name>BendingItems</name>
 
   <repositories>

src/me/simplicitee/project/items/ItemCommand.java

@@ -10,6 +10,7 @@
 
 import com.projectkorra.projectkorra.command.PKCommand;
 
+import me.simplicitee.project.items.BendingItem.Usage;
 import me.simplicitee.project.items.gui.ItemGui;
 import net.md_5.bungee.api.ChatColor;
 
@@ -18,7 +19,7 @@ public class ItemCommand extends PKCommand {
 	private ItemGui gui;
 
 	public ItemCommand() {
-		super("item", "/bending item <give <item> [player] / list / gui>", "Do many things with bending items!", new String[] {"item"});
+		super("item", "/bending item <give <item> [player] / list / gui / stats <item>>", "Do many things with bending items!", new String[] {"item"});
 		gui = new ItemGui(ItemManager.listItems());
 	}
 
@@ -29,7 +30,9 @@ public void execute(CommandSender sender, List<String> args) {
 		}
 
 		if (args.get(0).equalsIgnoreCase("give")) {
-			if (args.size() < 2) {
+			if (!hasPermission(sender, "give")) {
+				return;
+			} else if (args.size() < 2) {
 				sender.sendMessage(ChatColor.RED + "Not enough arguments!");
 				return;
 			}
@@ -61,7 +64,9 @@ public void execute(CommandSender sender, List<String> args) {
 
 			sender.sendMessage(ItemManager.listItems().stream().map((b) -> "- " + ChatColor.BOLD + b.getInternalName() + ChatColor.RESET + " [" + b.getDisplayName() + ChatColor.RESET + "]").collect(Collectors.toList()).toArray(new String[0]));
 		} else if (args.get(0).equalsIgnoreCase("gui")) {
-			if (!(sender instanceof Player)) {
+			if (!hasPermission(sender, "gui")) {
+				return;
+			} else if (!(sender instanceof Player)) {
 				sender.sendMessage(ChatColor.RED + "Player only command!");
 				return;
 			} else if (args.size() > 1) {
@@ -98,6 +103,35 @@ public void execute(CommandSender sender, List<String> args) {
 			stats.add("Usage: " + item.getUsage().toString());
 			stats.addAll(item.listMods());
 			sender.sendMessage(stats.toArray(new String[0]));
+		} else if (args.get(0).equalsIgnoreCase("equip")) {
+			if (!hasPermission(sender, "equip")) {
+				return;
+			} else if (!(sender instanceof Player)) {
+				sender.sendMessage(ChatColor.RED + "Player only command!");
+				return;
+			} else if (args.size() > 1) {
+				sender.sendMessage(ChatColor.RED + "Too many arguments!");
+				return;
+			}
+			
+			Player player = (Player) sender;
+			BendingItem item = ItemManager.get(player.getInventory().getItemInMainHand());
+			
+			if (item == null) {
+				sender.sendMessage(ChatColor.RED + "Invalid bending item!");
+				return;
+			} else if (item.getUsage() != Usage.HOLDING) {
+				sender.sendMessage(ChatColor.RED + "Can only equip items used by HOLDING!");
+				return;
+			}
+			
+			if (!ItemManager.equipped(player)) {
+				sender.sendMessage(ChatColor.GREEN + "Equipped");
+				ItemManager.equip(player, item);
+			} else {
+				sender.sendMessage(ChatColor.GREEN + "Unequipped");
+				ItemManager.unequip(player);
+			}
 		} else {
 			sender.sendMessage(ChatColor.RED + "Unknown argument given!");
 			return;

src/me/simplicitee/project/items/ItemManager.java

@@ -32,6 +32,7 @@ private ItemManager() {}
 	private static final NamespacedKey namespace = new NamespacedKey(JavaPlugin.getPlugin(ItemsPlugin.class), "itemid");
 	private static final Map<String, BendingItem> NAME_CACHE = new HashMap<>();
 	private static final Map<Integer, BendingItem> ID_CACHE = new HashMap<>();
+	private static final Map<Player, BendingItem> EQUIPPED = new HashMap<>();
 
 	private static final String DISPLAY_PATH = "Display";
 	private static final String LORE_PATH = "Lore";
@@ -40,6 +41,22 @@ private ItemManager() {}
 	private static final String USAGE_PATH = "Usage";
 	private static final String ELEMENT_PATH = "Element";
 
+	public static void equip(Player player, BendingItem item) {
+		EQUIPPED.put(player, item);
+	}
+	
+	public static void unequip(Player player) {
+		EQUIPPED.remove(player);
+	}
+	
+	public static boolean equipped(Player player) {
+		return EQUIPPED.containsKey(player);
+	}
+	
+	public static boolean matches(Player player, ItemStack item) {
+		return EQUIPPED.containsKey(player) && EQUIPPED.get(player).isSimilar(item);
+	}
+	
 	public static List<BendingItem> listActive(Player player) {
 		List<BendingItem> actives = new ArrayList<>();
 

src/me/simplicitee/project/items/ItemsPlugin.java

@@ -1,8 +1,12 @@
 package me.simplicitee.project.items;
 
+import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerItemHeldEvent;
+import org.bukkit.event.player.PlayerSwapHandItemsEvent;
+import org.bukkit.inventory.ItemStack;
 import org.bukkit.plugin.java.JavaPlugin;
 
 import com.projectkorra.projectkorra.ability.CoreAbility;
@@ -31,4 +35,27 @@ public void onAbilityStart(AbilityStartEvent event) {
 			item.applyMods((CoreAbility) event.getAbility());
 		}
 	}
+	
+	@EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+	public void onSlotChange(PlayerItemHeldEvent event) {
+		Player player = event.getPlayer();
+		
+		if (ItemManager.equipped(player)) {
+			ItemStack equip = player.getInventory().getItem(event.getPreviousSlot());
+			
+			if (!ItemManager.matches(player, equip)) {
+				ItemManager.unequip(player);
+				return;
+			}
+			
+			player.getInventory().setItem(event.getPreviousSlot(), event.getPlayer().getInventory().getItem(event.getNewSlot()));
+			player.getInventory().setItem(event.getNewSlot(), equip);
+			player.updateInventory();
+		}
+	}
+	
+	@EventHandler(priority = EventPriority.LOWEST, ignoreCancelled = true)
+	public void onOffhand(PlayerSwapHandItemsEvent event) {
+		event.setCancelled(ItemManager.equipped(event.getPlayer()));
+	}
 }

src/plugin.yml

@@ -1,6 +1,13 @@
 name: BendingItems
 author: Simplicitee
 api-version: 1.16
-version: 1.2.0
+version: 1.3.0
 main: me.simplicitee.project.items.ItemsPlugin
-depend: [ProjectKorra]
+depend: [ProjectKorra]
+permissions:
+  bending.items:
+    default: op
+    children:
+      bending.command.item.give: true
+      bending.command.item.gui: true
+      bending.command.item.equip: true