From 42ef5c31b70a13f90f0199ae7127541e250f32a8 Mon Sep 17 00:00:00 2001
From: Bukkit/Spigot <noreply+git-bukkit@papermc.io>
Date: Sun, 26 Dec 2010 00:38:11 +0000
Subject: [PATCH] Register events

By: Dinnerbone <dinnerbone@dinnerbone.com>
---
 .../src/org/bukkit/plugin/PluginManager.java  | 12 ++++++++
 .../bukkit/plugin/SimplePluginManager.java    | 28 +++++++++++++++++++
 2 files changed, 40 insertions(+)

diff --git a/paper-api/src/org/bukkit/plugin/PluginManager.java b/paper-api/src/org/bukkit/plugin/PluginManager.java
index 0f462702c4..fd1019dc21 100644
--- a/paper-api/src/org/bukkit/plugin/PluginManager.java
+++ b/paper-api/src/org/bukkit/plugin/PluginManager.java
@@ -2,7 +2,9 @@
 package org.bukkit.plugin;
 
 import java.io.File;
+import org.bukkit.event.Event.Priority;
 import org.bukkit.event.player.PlayerEvent;
+import org.bukkit.event.player.PlayerListener;
 
 /**
  * Handles all plugin management from the Server
@@ -71,4 +73,14 @@ public interface PluginManager {
      * @param event Event details
      */
     public void callEvent(PlayerEvent.EventType type, PlayerEvent event);
+
+    /**
+     * Registers the given player event to the specified listener
+     *
+     * @param type EventType to register
+     * @param listener PlayerListener to register
+     * @param priority Priority of this event
+     * @param plugin Plugin to register
+     */
+    public void registerEvent(PlayerEvent.EventType type, PlayerListener listener, Priority priority, Plugin plugin);
 }
diff --git a/paper-api/src/org/bukkit/plugin/SimplePluginManager.java b/paper-api/src/org/bukkit/plugin/SimplePluginManager.java
index c89d8f6bcc..9eaefe1fa8 100644
--- a/paper-api/src/org/bukkit/plugin/SimplePluginManager.java
+++ b/paper-api/src/org/bukkit/plugin/SimplePluginManager.java
@@ -14,7 +14,10 @@ import java.util.logging.Logger;
 import java.util.regex.Matcher;
 import org.bukkit.Server;
 import java.util.regex.Pattern;
+import org.bukkit.event.Event.Priority;
+import org.bukkit.event.Listener;
 import org.bukkit.event.player.PlayerEvent;
+import org.bukkit.event.player.PlayerListener;
 
 /**
  * Handles all plugin management from the Server
@@ -178,4 +181,29 @@ public final class SimplePluginManager implements PluginManager {
             }
         }
     }
+
+    /**
+     * Registers the given player event to the specified listener
+     *
+     * @param type EventType to register
+     * @param listener PlayerListener to register
+     * @param priority Priority of this event
+     * @param plugin Plugin to register
+     */
+    public void registerEvent(PlayerEvent.EventType type, PlayerListener listener, Priority priority, Plugin plugin) {
+        List<RegisteredListener> listeners = playerListeners.get(type);
+        int position = 0;
+
+        if (listeners != null) {
+            for (RegisteredListener registration : listeners) {
+                if (registration.getPriority().compareTo(priority) < 0) {
+                    break;
+                }
+                
+                position++;
+            }
+        }
+
+        listeners.add(position, new RegisteredListener(listener, priority, plugin));
+    }
 }