From 67a4b6c7c136a394580f4b6c6f5b1887875fd97a Mon Sep 17 00:00:00 2001
From: Shane Freeder <theboyetronic@gmail.com>
Date: Sun, 25 Oct 2020 14:43:33 +0000
Subject: [PATCH] Experience PreGain event

---
 .../nossr50/datatypes/player/McMMOPlayer.java |  7 +++
 .../experience/McMMOPlayerPreXpGainEvent.java | 50 +++++++++++++++++++
 2 files changed, 57 insertions(+)
 create mode 100644 src/main/java/com/gmail/nossr50/events/experience/McMMOPlayerPreXpGainEvent.java

diff --git a/src/main/java/com/gmail/nossr50/datatypes/player/McMMOPlayer.java b/src/main/java/com/gmail/nossr50/datatypes/player/McMMOPlayer.java
index 4d94f0d4b..cc5aebefe 100644
--- a/src/main/java/com/gmail/nossr50/datatypes/player/McMMOPlayer.java
+++ b/src/main/java/com/gmail/nossr50/datatypes/player/McMMOPlayer.java
@@ -17,6 +17,7 @@ import com.gmail.nossr50.datatypes.skills.PrimarySkillType;
 import com.gmail.nossr50.datatypes.skills.SubSkillType;
 import com.gmail.nossr50.datatypes.skills.SuperAbilityType;
 import com.gmail.nossr50.datatypes.skills.ToolType;
+import com.gmail.nossr50.events.experience.McMMOPlayerPreXpGainEvent;
 import com.gmail.nossr50.locale.LocaleLoader;
 import com.gmail.nossr50.mcMMO;
 import com.gmail.nossr50.party.PartyManager;
@@ -56,6 +57,8 @@ import com.gmail.nossr50.util.sounds.SoundManager;
 import com.gmail.nossr50.util.sounds.SoundType;
 import net.kyori.adventure.identity.Identified;
 import net.kyori.adventure.identity.Identity;
+import org.apache.commons.lang.Validate;
+import org.bukkit.Bukkit;
 import org.bukkit.GameMode;
 import org.bukkit.Location;
 import org.bukkit.block.Block;
@@ -601,6 +604,10 @@ public class McMMOPlayer implements Identified {
             return;
         }
 
+        final McMMOPlayerPreXpGainEvent mcMMOPlayerPreXpGainEvent = new McMMOPlayerPreXpGainEvent(player, primarySkillType, xp, xpGainReason);
+        Bukkit.getPluginManager().callEvent(mcMMOPlayerPreXpGainEvent);
+        xp = mcMMOPlayerPreXpGainEvent.getXpGained();
+
         if (primarySkillType.isChildSkill()) {
             Set<PrimarySkillType> parentSkills = FamilyTree.getParents(primarySkillType);
 
diff --git a/src/main/java/com/gmail/nossr50/events/experience/McMMOPlayerPreXpGainEvent.java b/src/main/java/com/gmail/nossr50/events/experience/McMMOPlayerPreXpGainEvent.java
new file mode 100644
index 000000000..849d7ab48
--- /dev/null
+++ b/src/main/java/com/gmail/nossr50/events/experience/McMMOPlayerPreXpGainEvent.java
@@ -0,0 +1,50 @@
+package com.gmail.nossr50.events.experience;
+
+import com.gmail.nossr50.datatypes.experience.XPGainReason;
+import com.gmail.nossr50.datatypes.skills.PrimarySkillType;
+import org.bukkit.entity.Player;
+import org.bukkit.event.HandlerList;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * Called when a player gains XP in a skill
+ */
+public class McMMOPlayerPreXpGainEvent extends McMMOPlayerExperienceEvent {
+    private float xpGained;
+
+    @Deprecated
+    public McMMOPlayerPreXpGainEvent(Player player, PrimarySkillType skill, float xpGained) {
+        super(player, skill, XPGainReason.UNKNOWN);
+        this.xpGained = xpGained;
+    }
+
+    public McMMOPlayerPreXpGainEvent(Player player, PrimarySkillType skill, float xpGained, XPGainReason xpGainReason) {
+        super(player, skill, xpGainReason);
+        this.xpGained = xpGained;
+    }
+
+    /**
+     * @return int amount of experience gained in this event
+     */
+    public int getXpGained() {
+        return (int) xpGained;
+    }
+
+    /**
+     * @param xpGained int amount of experience gained in this event
+     */
+    public void setXpGained(int xpGained) {
+        this.xpGained = xpGained;
+    }
+
+    private static final HandlerList handlers = new HandlerList();
+
+    @Override
+    public @NotNull HandlerList getHandlers() {
+        return handlers;
+    }
+
+    public static HandlerList getHandlerList() {
+        return handlers;
+    }
+}