Derp. Forgot a file.

src/main/java/com/gmail/nossr50/runnables/GainXp.java

@@ -0,0 +1,45 @@
+package com.gmail.nossr50.runnables;
+
+import org.bukkit.entity.LivingEntity;
+import org.bukkit.entity.Player;
+
+import com.gmail.nossr50.datatypes.PlayerProfile;
+import com.gmail.nossr50.datatypes.SkillType;
+import com.gmail.nossr50.skills.Skills;
+
+public class GainXp implements Runnable {
+    private Player player = null;
+    private PlayerProfile PP = null;
+    private double baseXp = 0;
+    private SkillType skillType = null;
+    private LivingEntity target = null;
+    private int baseHealth = 0;
+
+    public GainXp(Player player, PlayerProfile PP, SkillType skillType, double baseXp, LivingEntity target) {
+        this.player = player;
+        this.PP = PP;
+        this.skillType = skillType;
+        this.baseXp = baseXp;
+        this.target = target;
+        baseHealth = target.getHealth();
+    }
+
+    @Override
+    public void run() {
+        int health = target.getHealth();
+        int damage =  baseHealth - health;
+
+        //May avoid negative xp, we don't know what other plugins do with the entity health
+        if (damage <= 0) {
+            return;
+        }
+
+        //Don't reward the player for overkills
+        if (health < 0) {
+            damage += health;
+        }
+
+        PP.addXP(skillType, (int) (damage * baseXp), player);
+        Skills.XpCheckSkill(skillType, player);
+    }
+}