Tweaked some stuff with adding XP, added an ExperienceAPI class.

src/main/java/com/gmail/nossr50/api/ExperienceAPI.java

@@ -0,0 +1,118 @@
+package com.gmail.nossr50.api;
+
+import org.bukkit.entity.Player;
+
+import com.gmail.nossr50.Users;
+import com.gmail.nossr50.datatypes.SkillType;
+import com.gmail.nossr50.skills.Skills;
+
+public class ExperienceAPI {
+
+    /**
+     * Check the XP of a player. This should be called after giving XP to process level-ups.
+     *
+     * @param player The player to check
+     * @param skillType The skill to check
+     */
+    private static void checkXP(Player player, SkillType skillType) {
+        if (skillType.equals(SkillType.ALL)) {
+            Skills.XpCheckAll(player);
+        }
+        else {
+            Skills.XpCheckSkill(skillType, player);
+        }
+    }
+
+    /**
+     * Adds XP to the player, doesn't calculate for XP Rate or other modifiers.
+     * </br>
+     * This function is designed for API usage.
+     *
+     * @param player The player to add XP to
+     * @param skillType The skill to add XP to
+     * @param XP The amount of XP to add
+     */
+    public static void addRawXP(Player player, SkillType skillType, int XP) {
+        Users.getProfile(player).addXPOverride(skillType, XP);
+        checkXP(player, skillType);
+    }
+
+    /**
+     * Adds XP to the player, calculates for XP Rate but not skill modifiers.
+     * </br>
+     * This function is designed for API usage.
+     *
+     * @param player The player to add XP to
+     * @param skillType The skill to add XP to
+     * @param XP The amount of XP to add
+     */
+    public static void addMultipliedXP(Player player, SkillType skillType, int XP) {
+        Users.getProfile(player).addXPOverrideBonus(skillType, XP);
+        checkXP(player, skillType);
+    }
+
+    /**
+     * Adds XP to the player, calculates for XP Rate and skill modifiers.
+     * </br>
+     * This function is designed for API usage.
+     *
+     * @param player The player to add XP to
+     * @param skillType The skill to add XP to
+     * @param XP The amount of XP to add
+     */
+    public static void addXP(Player player, SkillType skillType, int XP) {
+        Users.getProfile(player).addXP(skillType, XP);
+        checkXP(player, skillType);
+    }
+
+    /**
+     * Get the amount of XP a player has in a specific skill.
+     * </br>
+     * This function is designed for API usage.
+     *
+     * @param player The player to get XP for
+     * @param skillType The skill to get XP for
+     * @return the amount of XP in a given skill
+     */
+    public static int getXP(Player player, SkillType skillType) {
+        return Users.getProfile(player).getSkillXpLevel(skillType);
+    }
+
+    /**
+     * Get the amount of XP left before leveling up.
+     * </br>
+     * This function is designed for API usage.
+     *
+     * @param player The player to get the XP amount for
+     * @param skillType The skill to get the XP amount for
+     * @return the amount of XP left before leveling up a specifc skill
+     */
+    public static int getXPToNextLevel(Player player, SkillType skillType) {
+        return Users.getProfile(player).getXpToLevel(skillType);
+    }
+
+    /**
+     * Add levels to a skill.
+     * </br>
+     * This function is designed for API usage.
+     *
+     * @param skillType Type of skill to add levels to
+     * @param levels Number of levels to add
+     */
+    public static void addLevel(Player player, SkillType skillType, int levels) {
+        Users.getProfile(player).addLevels(skillType, levels);
+    }
+
+    /**
+     * Get the level a player has in a specific skill.
+     * </br>
+     * This function is designed for API usage.
+     *
+     * @param player The player to get the level for
+     * @param skillType The skill to get the level for
+     * @return the level of a given skill
+     */
+    public static int getLevel(Player player, SkillType skillType) {
+        return Users.getProfile(player).getSkillLevel(skillType);
+    }
+}