more work on migrating the API

Changelog.txt

@@ -2,6 +2,8 @@ Version 2.2.000
     mcMMO-API is now the library used for mcMMO API
     Parts of the API have been migrated to mcMMO-API
     (API) mcMMO makes use of jmal (Java Minecraft Abstraction Library) for some abstraction now
+    (API) Added skill register
+    (API) Skill hierarchy is now defined by Skill in mcMMO-API, and mcMMO needs a skill to be registered to be aware of it
 
     Codebase Stuff
         Many places that passed type Player now passes type McMMOPlayer instead

src/main/java/com/gmail/nossr50/commands/player/McstatsCommand.java

@@ -1,7 +1,9 @@
 package com.gmail.nossr50.commands.player;
 
 import com.gmail.nossr50.config.Config;
+import com.gmail.nossr50.datatypes.player.McMMOPlayer;
 import com.gmail.nossr50.locale.LocaleLoader;
+import com.gmail.nossr50.mcMMO;
 import com.gmail.nossr50.util.commands.CommandUtils;
 import com.gmail.nossr50.util.scoreboards.ScoreboardManager;
 import com.google.common.collect.ImmutableList;
@@ -25,12 +27,14 @@ public class McstatsCommand implements TabExecutor {
         }
 
         if (args.length == 0) {
-            if (mcMMO.getUserManager().getPlayer((Player) sender) == null) {
+            Player player = (Player) sender;
+
+            if (mcMMO.getUserManager().queryPlayer(player) == null) {
                 sender.sendMessage(LocaleLoader.getString("Profile.PendingLoad"));
                 return true;
             }
 
-            Player player = (Player) sender;
+            McMMOPlayer mmoPlayer = mcMMO.getUserManager().queryPlayer(player);
 
             if (Config.getInstance().getStatsUseBoard() && Config.getInstance().getScoreboardsEnabled()) {
                 ScoreboardManager.enablePlayerStatsScoreboard(player);
@@ -50,9 +54,9 @@ public class McstatsCommand implements TabExecutor {
             int powerLevelCap = Config.getInstance().getPowerLevelCap();
 
             if (powerLevelCap != Integer.MAX_VALUE) {
-                player.sendMessage(LocaleLoader.getString("Commands.PowerLevel.Capped", mcMMO.getUserManager().getPlayer(player).getPowerLevel(), powerLevelCap));
+                player.sendMessage(LocaleLoader.getString("Commands.PowerLevel.Capped", mmoPlayer.getPowerLevel(), powerLevelCap));
             } else {
-                player.sendMessage(LocaleLoader.getString("Commands.PowerLevel", mcMMO.getUserManager().getPlayer(player).getPowerLevel()));
+                player.sendMessage(LocaleLoader.getString("Commands.PowerLevel", mmoPlayer.getPowerLevel()));
             }
 
             return true;

src/main/java/com/gmail/nossr50/datatypes/player/AbstractMMOPlayer.java

@@ -0,0 +1,52 @@
+package com.gmail.nossr50.datatypes.player;
+
+import com.gmail.nossr50.datatypes.experience.ExperienceManager;
+import com.neetgames.mcmmo.player.MMOPlayer;
+import org.bukkit.entity.Player;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.UUID;
+
+public abstract class AbstractMMOPlayer implements MMOPlayer {
+    /* All of the persistent data for a player that gets saved and loaded from DB */
+    protected final @NotNull PersistentPlayerData persistentPlayerData; //All persistent data is kept here
+
+    /* Managers */
+    protected final @NotNull ExperienceManager experienceManager;
+    protected final @NotNull CooldownManager cooldownManager;
+
+    /**
+     * Create a new AbstractMMOPlayer for a {@link Player} with default values
+     *
+     * @param player target player
+     */
+    public AbstractMMOPlayer(@NotNull Player player) {
+        /* New Data */
+        this(player.getUniqueId(), player.getName());
+    }
+
+    /**
+     * Create a new AbstractMMOPlayer for a {@link Player} with default values
+     *
+     * @param playerUUID target player's UUID
+     * @param playerName target player's name
+     */
+    public AbstractMMOPlayer(@NotNull UUID playerUUID, @NotNull String playerName) {
+        /* New Data */
+        this.persistentPlayerData = new PersistentPlayerData(playerUUID, playerName);
+        this.experienceManager = new ExperienceManager(persistentPlayerData);
+        this.cooldownManager = new CooldownManager(persistentPlayerData);
+    }
+
+    /**
+     * Initialize an AbstractMMOPlayer for {@link PersistentPlayerData}
+     * This will be used for existing data
+     *
+     * @param persistentPlayerData target persistent player data
+     */
+    public AbstractMMOPlayer(@NotNull PersistentPlayerData persistentPlayerData) {
+        this.persistentPlayerData = persistentPlayerData;
+        this.experienceManager = new ExperienceManager(persistentPlayerData);
+        this.cooldownManager = new CooldownManager(persistentPlayerData);
+    }
+}

src/main/java/com/gmail/nossr50/datatypes/player/CooldownManager.java

@@ -1,6 +1,7 @@
 package com.gmail.nossr50.datatypes.player;
 
 import com.gmail.nossr50.util.Misc;
+import com.neetgames.mcmmo.UniqueDataType;
 import org.bukkit.Location;
 import org.bukkit.entity.Player;
 import org.jetbrains.annotations.NotNull;
@@ -22,7 +23,7 @@ public class CooldownManager {
     }
 
     public void actualizeChimeraWingLastUse() {
-        playerProfile.setChimaeraWingDATS((int) (System.currentTimeMillis() / Misc.TIME_CONVERSION_FACTOR));
+        playerDataRef.setChimaeraWingDATS((int) (System.currentTimeMillis() / Misc.TIME_CONVERSION_FACTOR));
     }
 
     public @Nullable Location getTeleportCommenceLocation() {

src/main/java/com/gmail/nossr50/datatypes/player/MMODataSnapshot.java

@@ -5,6 +5,7 @@ import com.gmail.nossr50.datatypes.skills.SuperAbilityType;
 import com.google.common.collect.ImmutableMap;
 import com.neetgames.mcmmo.MobHealthBarType;
 import com.neetgames.mcmmo.UniqueDataType;
+import com.neetgames.mcmmo.skill.RootSkill;
 import com.neetgames.mcmmo.skill.SkillBossBarState;
 import org.jetbrains.annotations.NotNull;
 
@@ -22,8 +23,8 @@ public class MMODataSnapshot {
     private final @NotNull MobHealthBarType mobHealthBarType;
 
     /* Skill Data */
-    private final @NotNull ImmutableMap<PrimarySkillType, Integer> skillLevelValues;
-    private final @NotNull ImmutableMap<PrimarySkillType, Float> skillExperienceValues;
+    private final @NotNull ImmutableMap<RootSkill, Integer> skillLevelValues;
+    private final @NotNull ImmutableMap<RootSkill, Float> skillExperienceValues;
     private final @NotNull ImmutableMap<SuperAbilityType, Integer> abilityDeactivationTimestamps; // Ability & Cooldown
     private final @NotNull ImmutableMap<UniqueDataType, Integer> uniquePlayerData; //Misc data that doesn't fit into other categories (chimaera wing, etc..)
     private final @NotNull ImmutableMap<PrimarySkillType, SkillBossBarState> barStateMap;
@@ -36,7 +37,7 @@ public class MMODataSnapshot {
     private final @NotNull Integer scoreboardTipsShown;
 
 
-    public MMODataSnapshot(PersistentPlayerData persistentPlayerData) {
+    public MMODataSnapshot(@NotNull PersistentPlayerData persistentPlayerData) {
         playerName = persistentPlayerData.getPlayerName();
         playerUUID = persistentPlayerData.getPlayerUUID();
         lastLogin = persistentPlayerData.getLastLogin();
@@ -71,11 +72,11 @@ public class MMODataSnapshot {
         return mobHealthBarType;
     }
 
-    public @NotNull ImmutableMap<PrimarySkillType, Integer> getSkillLevelValues() {
+    public @NotNull ImmutableMap<RootSkill, Integer> getSkillLevelValues() {
         return skillLevelValues;
     }
 
-    public @NotNull ImmutableMap<PrimarySkillType, Float> getSkillExperienceValues() {
+    public @NotNull ImmutableMap<RootSkill, Float> getSkillExperienceValues() {
         return skillExperienceValues;
     }
 
@@ -87,7 +88,7 @@ public class MMODataSnapshot {
         return uniquePlayerData;
     }
 
-    public @NotNull ImmutableMap<PrimarySkillType, SkillBossBarState> getBarStateMap() {
+    public @NotNull ImmutableMap<RootSkill, SkillBossBarState> getBarStateMap() {
         return barStateMap;
     }
 

src/main/java/com/gmail/nossr50/datatypes/player/McMMOPlayer.java

@@ -49,7 +49,7 @@ import java.util.HashMap;
 import java.util.Map;
 import java.util.UUID;
 
-public class McMMOPlayer implements OnlineMMOPlayer, Identified {
+public class McMMOPlayer extends PlayerProfile implements OnlineMMOPlayer, Identified {
     private final @NotNull Player player;
     private final @NotNull Identity identity;
     private @Nullable Party playerPartyRef;
@@ -605,7 +605,17 @@ public class McMMOPlayer implements OnlineMMOPlayer, Identified {
     }
 
     @Override
-    public UUID getUUID() {
-        return ;
+    public boolean inParty() {
+        return false;
+    }
+
+    @Override
+    public boolean isGodMode() {
+        return false;
+    }
+
+    @Override
+    public boolean isChatSpying() {
+        return false;
     }
 }

src/main/java/com/gmail/nossr50/datatypes/player/PersistentPlayerData.java

@@ -1,21 +1,19 @@
 package com.gmail.nossr50.datatypes.player;
 
 import com.gmail.nossr50.config.AdvancedConfig;
-import com.gmail.nossr50.config.Config;
 import com.gmail.nossr50.datatypes.skills.PrimarySkillType;
 import com.gmail.nossr50.datatypes.skills.SuperAbilityType;
 import com.gmail.nossr50.datatypes.validation.NonNullRule;
 import com.gmail.nossr50.datatypes.validation.PositiveIntegerRule;
 import com.gmail.nossr50.datatypes.validation.Validator;
+import com.gmail.nossr50.mcMMO;
 import com.gmail.nossr50.util.experience.MMOExperienceBarManager;
 import com.google.common.collect.ImmutableMap;
 import com.neetgames.mcmmo.MobHealthBarType;
 import com.neetgames.mcmmo.UniqueDataType;
 import com.neetgames.mcmmo.exceptions.UnexpectedValueException;
-import com.neetgames.mcmmo.skill.Skill;
-import com.neetgames.mcmmo.skill.SkillBossBarState;
+import com.neetgames.mcmmo.skill.*;
 import com.neetgames.mcmmo.player.MMOPlayerData;
-import com.neetgames.mcmmo.skill.SuperSkill;
 import com.neetgames.neetlib.dirtydata.DirtyData;
 import com.neetgames.neetlib.dirtydata.DirtyMap;
 import com.neetgames.neetlib.mutableprimitives.MutableBoolean;
@@ -25,6 +23,7 @@ import com.neetgames.neetlib.mutableprimitives.MutableString;
 import org.apache.commons.lang.NullArgumentException;
 import org.jetbrains.annotations.NotNull;
 import java.util.EnumMap;
+import java.util.HashMap;
 import java.util.Map;
 import java.util.UUID;
 
@@ -39,15 +38,12 @@ public class PersistentPlayerData implements MMOPlayerData {
     /* Records */
     private final DirtyData<MutableLong> lastLogin;
 
-    /* HUDs */
-    private final @NotNull DirtyData<MobHealthBarType> mobHealthBarType;
-
     /* Skill Data */
-    private final @NotNull DirtyMap<PrimarySkillType, Integer> skillLevelValues;
-    private final @NotNull DirtyMap<PrimarySkillType, Float> skillExperienceValues;
-    private final @NotNull DirtyMap<SuperAbilityType, Integer> abilityDeactivationTimestamps; // Ability & Cooldown
+    private final @NotNull DirtyMap<SkillIdentity, Integer> skillLevelValues;
+    private final @NotNull DirtyMap<SkillIdentity, Float> skillExperienceValues;
+    private final @NotNull DirtyMap<SkillIdentity, Integer> abilityDeactivationTimestamps; // Ability & Cooldown
     private final @NotNull DirtyMap<UniqueDataType, Integer> uniquePlayerData; //Misc data that doesn't fit into other categories (chimaera wing, etc..)
-    private final @NotNull DirtyMap<PrimarySkillType, SkillBossBarState> barStateMap;
+    private final @NotNull DirtyMap<SkillIdentity, SkillBossBarState> barStateMap;
 
     /* Special Flags */
     private final @NotNull DirtyData<MutableBoolean> partyChatSpying;
@@ -59,6 +55,7 @@ public class PersistentPlayerData implements MMOPlayerData {
     /**
      * Create new persistent player data for a player
      * Initialized with default values
+     *
      * @param playerUUID target player's UUID
      * @param playerName target player's name
      * @throws NullArgumentException thrown when never null arguments are null
@@ -71,16 +68,15 @@ public class PersistentPlayerData implements MMOPlayerData {
         this.playerUUID = playerUUID;
         this.playerName = new DirtyData<>(new MutableString(playerName), dirtyFlag);
 
-        this.skillLevelValues = new DirtyMap<>(new EnumMap<>(PrimarySkillType.class), dirtyFlag);
-        this.skillExperienceValues = new DirtyMap<>(new EnumMap<>(PrimarySkillType.class), dirtyFlag);
-        this.abilityDeactivationTimestamps = new DirtyMap<>(new EnumMap<>(SuperAbilityType.class), dirtyFlag);
+        this.skillLevelValues = new DirtyMap<>(new HashMap<>(SkillIdentity.class), dirtyFlag);
+        this.skillExperienceValues = new DirtyMap<>(new HashMap<>(SkillIdentity.class), dirtyFlag);
+        this.abilityDeactivationTimestamps = new DirtyMap<>(new EnumMap<>(SkillIdentity.class), dirtyFlag);
         this.uniquePlayerData = new DirtyMap<>(new EnumMap<>(UniqueDataType.class), dirtyFlag);
-        this.mobHealthBarType = new DirtyData<>(Config.getInstance().getMobHealthbarDefault(), dirtyFlag);
 
         this.scoreboardTipsShown = new DirtyData<>(new MutableInteger(0), dirtyFlag);
 
-        for(SuperAbilityType superAbilityType : SuperAbilityType.values()) {
-            abilityDeactivationTimestamps.put(superAbilityType, 0);
+        for(RootSkill rootSkill : mcMMO.p.getSkillRegister().getRootSkills()) {
+            abilityDeactivationTimestamps.put(rootSkill.getSkillIdentity(), 0);
         }
 
         for(PrimarySkillType primarySkillType : PrimarySkillType.values()) {
@@ -192,12 +188,12 @@ public class PersistentPlayerData implements MMOPlayerData {
     }
 
     @Override
-    public void setSkillLevel(Skill skill, int i) {
+    public void setSkillLevel(@NotNull RootSkill rootSkill, int i) {
 
     }
 
     @Override
-    public int getSkillLevel(Skill skill) {
+    public int getSkillLevel(@NotNull RootSkill rootSkill) {
         return 0;
     }
 

src/main/java/com/gmail/nossr50/datatypes/player/PlayerProfile.java

@@ -13,51 +13,42 @@ import org.jetbrains.annotations.Nullable;
 
 import java.util.UUID;
 
-public class PlayerProfile implements OfflineMMOPlayer {
-
-    /* All of the persistent data for a player that gets saved and loaded from DB */
-    private final @NotNull PersistentPlayerData persistentPlayerData; //All persistent data is kept here
-
-    /* Managers */
-    private final @NotNull ExperienceManager experienceManager;
-    private final @NotNull CooldownManager cooldownManager;
+public class PlayerProfile extends AbstractMMOPlayer {
 
     /**
-     * Create a new PlayerProfile for a {@link Player}
+     * Create a new {@link PlayerProfile} for a {@link Player} with default values
+     *
      * @param player target player
      */
     public PlayerProfile(@NotNull Player player) {
-        /* New Data */
-        this(player.getUniqueId(), player.getName());
+        super(player);
     }
 
     /**
-     * Create a new PlayerProfile for a {@link Player}
+     * Create a new {@link PlayerProfile} for a {@link Player} with default values
+     *
      * @param playerUUID target player's UUID
      * @param playerName target player's name
      */
     public PlayerProfile(@NotNull UUID playerUUID, @NotNull String playerName) {
-        /* New Data */
-        this.persistentPlayerData = new PersistentPlayerData(playerUUID, playerName);
-        this.experienceManager = new ExperienceManager(persistentPlayerData);
-        this.cooldownManager = new CooldownManager(persistentPlayerData);
+        super(playerUUID, playerName);
     }
 
     /**
-     * Create a PlayerProfile for {@link PersistentPlayerData}
+     * Initialize an {@link PlayerProfile} for {@link PersistentPlayerData}
      * This will be used for existing data
+     *
      * @param persistentPlayerData target persistent player data
      */
     public PlayerProfile(@NotNull PersistentPlayerData persistentPlayerData) {
-        this.persistentPlayerData = persistentPlayerData;
-        this.experienceManager = new ExperienceManager(persistentPlayerData);
-        this.cooldownManager = new CooldownManager(persistentPlayerData);
+        super(persistentPlayerData);
     }
 
     /**
      * Get the saved player name for this profile
      * @return the saved player name for this profile
      */
+    @Override
     public @NotNull String getPlayerName() {
         return getPersistentPlayerData().getPlayerName();
     }
@@ -162,7 +153,7 @@ public class PlayerProfile implements OfflineMMOPlayer {
 
     @Override
     public int getPowerLevel() {
-        return persistentPlayerData
+        return experienceManager.getPowerLevel();
     }
 
     @Override
@@ -171,8 +162,8 @@ public class PlayerProfile implements OfflineMMOPlayer {
     }
 
     @Override
-    public int getSkillExperience() {
-        return 0;
+    public int getSkillExperience(@NotNull Skill skill) {
+        return persistentPlayerData;
     }
 
     @Override
@@ -181,12 +172,12 @@ public class PlayerProfile implements OfflineMMOPlayer {
     }
 
     @Override
-    public void savePlayerData() {
-
+    public boolean isOnline() {
+        return false;
     }
 
     @Override
     public @NotNull MMOPlayerData getMMOPlayerData() {
-        return null;
+        return persistentPlayerData;
     }
 }

src/main/java/com/gmail/nossr50/datatypes/skills/CoreRootSkill.java

@@ -0,0 +1,14 @@
+package com.gmail.nossr50.datatypes.skills;
+
+import com.gmail.nossr50.mcMMO;
+import com.gmail.nossr50.util.text.StringUtils;
+import com.neetgames.mcmmo.skill.RootSkillImpl;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.Locale;
+
+class CoreRootSkill extends RootSkillImpl {
+    public CoreRootSkill(@NotNull String skillName) {
+        super(mcMMO.p.getName(), StringUtils.getCapitalized(skillName), "mcmmo.skills." + skillName.toLowerCase(Locale.ENGLISH));
+    }
+}

src/main/java/com/gmail/nossr50/datatypes/skills/CoreSkillConstants.java

@@ -0,0 +1,69 @@
+package com.gmail.nossr50.datatypes.skills;
+
+import com.google.common.collect.ImmutableSet;
+import com.neetgames.mcmmo.skill.SkillIdentity;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.HashSet;
+import java.util.Set;
+
+public class CoreSkillConstants {
+
+    private static final @NotNull ImmutableSet<CoreRootSkill> immutableCoreRootSkillSet;
+
+    public static @NotNull CoreRootSkill ACROBATICS, ALCHEMY, ARCHERY, AXES, EXCAVATION,
+            FISHING, HERBALISM, MINING, REPAIR, SALVAGE, SMELTING, SWORDS, TAMING, UNARMED,
+            WOODCUTTING, TRIDENTS, CROSSBOWS;
+
+    static {
+        HashSet<CoreRootSkill> rootSkillSet = new HashSet<>();
+
+        ACROBATICS = new CoreRootSkill("acrobatics");
+        ALCHEMY = new CoreRootSkill("alchemy");
+        ARCHERY = new CoreRootSkill("archery");
+        AXES = new CoreRootSkill("axes");
+        EXCAVATION = new CoreRootSkill("excavation");
+        FISHING = new CoreRootSkill("fishing");
+        HERBALISM = new CoreRootSkill("herbalism");
+        MINING = new CoreRootSkill("mining");
+        REPAIR = new CoreRootSkill("repair");
+        SALVAGE = new CoreRootSkill("salvage");
+        SMELTING = new CoreRootSkill("smelting");
+        SWORDS = new CoreRootSkill("swords");
+        TAMING = new CoreRootSkill("taming");
+        UNARMED = new CoreRootSkill("unarmed");
+        WOODCUTTING = new CoreRootSkill("woodcutting");
+        TRIDENTS = new CoreRootSkill("tridents");
+        CROSSBOWS = new CoreRootSkill("crossbows");
+
+        rootSkillSet.add(ACROBATICS);
+        rootSkillSet.add(ALCHEMY);
+        rootSkillSet.add(ARCHERY);
+        rootSkillSet.add(AXES);
+        rootSkillSet.add(EXCAVATION);
+        rootSkillSet.add(FISHING);
+        rootSkillSet.add(HERBALISM);
+        rootSkillSet.add(MINING);
+        rootSkillSet.add(REPAIR);
+        rootSkillSet.add(SALVAGE);
+        rootSkillSet.add(SMELTING);
+        rootSkillSet.add(SWORDS);
+        rootSkillSet.add(TAMING);
+        rootSkillSet.add(UNARMED);
+        rootSkillSet.add(WOODCUTTING);
+        rootSkillSet.add(TRIDENTS);
+        rootSkillSet.add(CROSSBOWS);
+
+        immutableCoreRootSkillSet = ImmutableSet.copyOf(rootSkillSet);
+    }
+
+    /**
+     * Returns a set of built in skills for mcMMO
+     * No guarantees for whether or not the skills are registered or active or inactive
+     *
+     * @return a set of all root skills built into mcMMO
+     */
+    public static @NotNull Set<CoreRootSkill> getImmutableCoreRootSkillSet() {
+        return immutableCoreRootSkillSet;
+    }
+}

src/main/java/com/gmail/nossr50/datatypes/skills/SkillIdentity.java

@@ -1,76 +0,0 @@
-package com.gmail.nossr50.datatypes.skills;
-
-import com.google.common.base.Objects;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-
-//TODO: This documentation is a rough draft and will be rewritten
-/**
- * Used to identify skills
- * The goal of this class is to avoid namespace conflicts and clearly identify a skill with its established relationship to other skills as needed
- *
- * This class will include representation of the relationship between skills, which includes whether or not one skill is parented by another
- * Skills are not aware of their children, but they can be aware of their parents
- * You will be able to use the skill register to grab all children of a skill, but no SkillIdentity will be defined with children, the burden of the relationship declaration is on the children
- *
- * Any skill with a null parent skill within its SkillIdentity will be considered the skill at the top of the food chain, which at this point has been referred to as a {@link PrimarySkill}
- * Any skill with a parent will be considered a SubSkill and treated completely differently
- *
- * Skills with parents do not gain experience, and instead their intended effects will be based on the strength of the parent skill (its level)
- * Skills are registered, no two skills can share the same fully qualified name (in this case, a combination of the namespace and skill name)
- *
- * A fully qualified name is generated based on the namespace and skill name
- * @see #genFullyQualifiedName()
- */
-public class SkillIdentity {
-    @NotNull private final String nameSpace;
-    @NotNull private final String skillName;
-    @Nullable private final SkillIdentity parentSkill;
-
-    @NotNull private final String fullyQualifiedName;
-
-    public SkillIdentity(@NotNull String nameSpace, @NotNull String skillName, @Nullable SkillIdentity parentSkill) {
-        this.nameSpace = nameSpace;
-        this.skillName = skillName;
-        this.parentSkill = parentSkill;
-
-        fullyQualifiedName = genFullyQualifiedName();
-    }
-
-    public SkillIdentity(@NotNull String nameSpace, @NotNull String skillName) {
-        this.nameSpace = nameSpace;
-        this.skillName = skillName;
-        this.parentSkill = null;
-
-        fullyQualifiedName = genFullyQualifiedName();
-    }
-
-    /**
-     * Creates a fully qualified name for this skill
-     * @return the fully qualified name for this skill
-     */
-    private String genFullyQualifiedName() {
-        return nameSpace + ":" + "skillName";
-    }
-
-    /**
-     * Whether or not this skill has a parent
-     * @return true if this skill has a parent
-     */
-    public boolean hasParent() {
-        return parentSkill != null;
-    }
-
-    @Override
-    public boolean equals(Object o) {
-        if (this == o) return true;
-        if (o == null || getClass() != o.getClass()) return false;
-        SkillIdentity that = (SkillIdentity) o;
-        return Objects.equal(nameSpace, that.nameSpace) && Objects.equal(skillName, that.skillName) && Objects.equal(parentSkill, that.parentSkill) && Objects.equal(fullyQualifiedName, that.fullyQualifiedName);
-    }
-
-    @Override
-    public int hashCode() {
-        return Objects.hashCode(nameSpace, skillName, parentSkill, fullyQualifiedName);
-    }
-}

src/main/java/com/gmail/nossr50/datatypes/skills/SkillRegisterImpl.java

@@ -0,0 +1,156 @@
+package com.gmail.nossr50.datatypes.skills;
+
+import com.gmail.nossr50.mcMMO;
+import com.neetgames.mcmmo.api.SkillRegister;
+import com.neetgames.mcmmo.skill.*;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * Skills mcMMO is aware of are registered here
+ * The skill register will be used for a few things in mcMMO
+ * Removing a skill from the register doesn't mean it isn't doing anything as the register is simply for mcMMO's own awareness
+ * When a player uses certain commands, such as checking their skill levels, if the skill isn't registered it won't be added to the resulting output of that command
+ */
+public class SkillRegisterImpl implements SkillRegister {
+    //TODO: Move maps and collections to their own container
+    private final @NotNull HashMap<String, Skill> skillNameMap;
+    private final @NotNull Set<Skill> registeredSkills;
+    private final @NotNull Set<SuperSkill> superSkills;
+    private final @NotNull Set<RankedSkill> rankedSkills;
+    private final @NotNull Set<RootSkill> rootSkills; //Can include not-official root skills
+    private final @NotNull Set<RootSkill> coreRootSkills; //Only includes official root skills
+
+    public SkillRegisterImpl() {
+        skillNameMap = new HashMap<>();
+        registeredSkills = new HashSet<>();
+        rootSkills = new HashSet<>();
+        superSkills = new HashSet<>();
+        rankedSkills = new HashSet<>();
+        coreRootSkills = new HashSet<>();
+
+        //TODO: allow config to turn off certain core skills
+        registerCoreSkills();
+    }
+
+    @Override
+    public @Nullable Skill getSkill(@NotNull String fullyQualifiedName) {
+        return skillNameMap.get(fullyQualifiedName);
+    }
+
+    @Override
+    public @Nullable Skill getSkill(@NotNull SkillIdentity skillIdentity) {
+        return skillNameMap.get(skillIdentity.getFullyQualifiedName());
+    }
+
+    @Override
+    public @NotNull Set<SuperSkill> getSuperSkills() {
+        return superSkills;
+    }
+
+    @Override
+    public @NotNull Set<RankedSkill> getRankedSkills() {
+        return rankedSkills;
+    }
+
+    @Override
+    public @NotNull Set<RootSkill> getRootSkills() {
+        return rootSkills;
+    }
+
+    @Override
+    public boolean isSkillRegistered(@NotNull Skill skill) {
+        return registeredSkills.contains(skill);
+    }
+
+    @Override
+    public void registerSkill(@NotNull Skill skill) {
+        registeredSkills.add(skill);
+        addedSkillRegisterProcessing(skill);
+    }
+
+    @Override
+    public void registerSkill(@NotNull Skill skill, boolean override) {
+        if(isSkillRegistered(skill) && override) {
+            registeredSkills.remove(skill);
+        }
+
+        registeredSkills.add(skill);
+        addedSkillRegisterProcessing(skill);
+    }
+
+    @Override
+    public @NotNull Set<Skill> getRegisteredSkills() {
+        return registeredSkills;
+    }
+
+    private void postRemovalSkillRegisterProcessing(@NotNull Skill skill) {
+        removeSkillNameLookup(skill);
+        removeCollectionCache(skill);
+    }
+
+    private void removeCollectionCache(@NotNull Skill skill) {
+        //Add to collections for cached lookups
+        if(skill instanceof RootSkill) {
+            rootSkills.remove(skill);
+        } else if (skill instanceof SuperSkill) {
+            superSkills.remove(skill);
+        } else if(skill instanceof RankedSkill) {
+            rankedSkills.remove( skill);
+        }
+    }
+
+    private void removeSkillNameLookup(@NotNull Skill skill) {
+        skillNameMap.remove(skill.getSkillIdentity().getFullyQualifiedName());
+    }
+
+    private void addedSkillRegisterProcessing(@NotNull Skill skill) {
+        addSkillNameLookup(skill);
+        addCollectionCache(skill);
+    }
+
+    private void addCollectionCache(@NotNull Skill skill) {
+        //Add to various collections for cached lookups
+        if(skill instanceof CoreRootSkill) {
+            coreRootSkills.add((CoreRootSkill) skill);
+        }
+
+        if(skill instanceof RootSkill) {
+            rootSkills.add((RootSkill) skill);
+        } else if (skill instanceof SuperSkill) {
+            superSkills.add((SuperSkill) skill);
+        } else if(skill instanceof RankedSkill) {
+            rankedSkills.add((RankedSkill) skill);
+        }
+    }
+
+    private void addSkillNameLookup(@NotNull Skill skill) {
+        skillNameMap.put(skill.getSkillIdentity().getFullyQualifiedName(), skill);
+    }
+
+    @Override
+    public void unregisterSkill(@NotNull Skill skill) {
+        mcMMO.p.getLogger().info("Skill "+skill.toString()+" has been removed from the skill register.");
+        registeredSkills.remove(skill);
+        skillNameMap.remove(skill.getSkillIdentity().getFullyQualifiedName());
+
+        //Collection cache cleanup
+        postRemovalSkillRegisterProcessing(skill);
+    }
+
+    private void registerCoreSkills() {
+        for(CoreRootSkill coreRootSkill : CoreSkillConstants.getImmutableCoreRootSkillSet()) {
+            mcMMO.p.getLogger().info("Registering core skill: "+coreRootSkill.getSkillName());
+            registerSkill(coreRootSkill);
+        }
+    }
+
+    @Override
+    public @NotNull Set<RootSkill> getCoreRootSkills() {
+        return coreRootSkills;
+    }
+}

src/main/java/com/gmail/nossr50/datatypes/skills/interfaces/ChildSkill.java

@@ -1,11 +0,0 @@
-package com.gmail.nossr50.datatypes.skills.interfaces;
-
-import com.gmail.nossr50.datatypes.skills.PrimarySkillType;
-
-public interface ChildSkill extends Skill {
-    /**
-     * Get's the other parent for this Skill
-     * @return the other parent
-     */
-    PrimarySkillType getSecondParent();
-}

src/main/java/com/gmail/nossr50/datatypes/skills/interfaces/CoreSkill.java

@@ -1,17 +0,0 @@
-package com.gmail.nossr50.datatypes.skills.interfaces;
-
-import com.gmail.nossr50.datatypes.skills.SubSkillType;
-
-/**
- * This interface is mostly here to maintain backwards compatibility with other mcMMO plugins
- * Only Core Skills will make use of this
- * Previously in mcMMO subskills were basically defined by the SecondaryAbility ENUM
- * In the new system which I'm gradually converting all the existing skills to, skills instead are unique instances of AbstractSubSkill
- */
-public interface CoreSkill {
-    /**
-     * Gets the associated SubSkillType for this subskill
-     * @return the associated SubSkillType ENUM definition
-     */
-    SubSkillType getSubSkillType();
-}

src/main/java/com/gmail/nossr50/datatypes/skills/interfaces/Localized.java

@@ -1,19 +0,0 @@
-package com.gmail.nossr50.datatypes.skills.interfaces;
-
-/**
- * Localized interface represents skills which have localizations
- * Skills with localizations will use their localization names/descriptions when being printed
- */
-public interface Localized {
-    /**
-     * The translated name for this locale
-     * @return the translated name for this locale
-     */
-    String getLocaleName();
-
-    /**
-     * The translated name for this subskill description
-     * @return
-     */
-    String getLocaleDescription();
-}

src/main/java/com/gmail/nossr50/datatypes/skills/interfaces/Skill.java

@@ -1,17 +0,0 @@
-package com.gmail.nossr50.datatypes.skills.interfaces;
-
-import com.gmail.nossr50.datatypes.skills.PrimarySkillType;
-
-public interface Skill {
-    /**
-     * The primary skill
-     * @return this primary skill
-     */
-    PrimarySkillType getPrimarySkill();
-
-    /**
-     * Returns the key name used for this skill in conjunction with config files
-     * @return config file key name
-     */
-    String getPrimaryKeyName();
-}

src/main/java/com/gmail/nossr50/datatypes/skills/interfaces/Toolable.java

@@ -1,20 +0,0 @@
-package com.gmail.nossr50.datatypes.skills.interfaces;
-
-import org.bukkit.inventory.ItemStack;
-
-import java.util.Collection;
-
-public interface Toolable {
-    /**
-     * Whether or not this Skill requires a tool
-     * Not all skills will require a tool
-     * @return true if tool is required
-     */
-     boolean requiresTool();
-
-    /**
-     * The tools associated with this Skill
-     * @return the tools
-     */
-    Collection<ItemStack> getTools();
-}

src/main/java/com/gmail/nossr50/mcMMO.java

@@ -11,6 +11,7 @@ import com.gmail.nossr50.config.treasure.TreasureConfig;
 import com.gmail.nossr50.database.DatabaseManager;
 import com.gmail.nossr50.database.DatabaseManagerFactory;
 import com.gmail.nossr50.datatypes.skills.PrimarySkillType;
+import com.gmail.nossr50.datatypes.skills.SkillRegisterImpl;
 import com.gmail.nossr50.datatypes.skills.subskills.acrobatics.Roll;
 import com.gmail.nossr50.listeners.*;
 import com.gmail.nossr50.party.PartyManager;
@@ -48,6 +49,7 @@ import com.gmail.nossr50.util.skills.SmeltingTracker;
 import com.gmail.nossr50.util.upgrade.UpgradeManager;
 import com.gmail.nossr50.worldguard.WorldGuardManager;
 import com.google.common.base.Charsets;
+import com.neetgames.mcmmo.api.SkillRegister;
 import net.kyori.adventure.platform.bukkit.BukkitAudiences;
 import net.shatteredlands.shatt.backup.ZipLibrary;
 import org.bstats.bukkit.Metrics;
@@ -86,6 +88,7 @@ public class mcMMO extends JavaPlugin {
     private static TransientMetadataTools transientMetadataTools;
     private static ChatManager chatManager;
     private static CommandManager commandManager; //ACF
+    private static SkillRegister skillRegister;
 
     /* Adventure */
     private static BukkitAudiences audiences;
@@ -154,6 +157,9 @@ public class mcMMO extends JavaPlugin {
     @Override
     public void onEnable() {
         try {
+            //Skill Register
+            skillRegister = new SkillRegisterImpl();
+
             //Platform Manager
             platformManager = new PlatformManager();
 
@@ -182,7 +188,6 @@ public class mcMMO extends JavaPlugin {
             //Store this value so other plugins can check it
             isRetroModeEnabled = Config.getInstance().getIsRetroMode();
 
-
             if(projectKorraEnabled) {
                 getLogger().info("ProjectKorra was detected, this can cause some issues with weakness potions and combat skills for mcMMO");
             }
@@ -694,4 +699,6 @@ public class mcMMO extends JavaPlugin {
     public CommandManager getCommandManager() {
         return commandManager;
     }
+
+    public SkillRegister getSkillRegister() { return skillRegister; }
 }

src/main/java/com/gmail/nossr50/util/experience/ExperienceBarWrapper.java

@@ -6,10 +6,13 @@ import com.gmail.nossr50.datatypes.skills.PrimarySkillType;
 import com.gmail.nossr50.locale.LocaleLoader;
 import com.gmail.nossr50.util.player.PlayerLevelUtils;
 import com.gmail.nossr50.util.text.StringUtils;
+import com.neetgames.mcmmo.player.MMOPlayerData;
+import com.neetgames.mcmmo.player.OnlineMMOPlayer;
 import org.bukkit.boss.BarColor;
 import org.bukkit.boss.BarStyle;
 import org.bukkit.boss.BossBar;
 import org.bukkit.entity.Player;
+import org.jetbrains.annotations.NotNull;
 
 import java.util.List;
 
@@ -18,9 +21,9 @@ import java.util.List;
  */
 public class ExperienceBarWrapper {
 
-    private final PrimarySkillType primarySkillType; //Primary Skill
-    private BossBar bossBar;
-    protected final PersistentPlayerData persistentPlayerData;
+    private final @NotNull PrimarySkillType primarySkillType; //Primary Skill
+    private @NotNull BossBar bossBar;
+    protected final @NotNull MMOPlayerData mmoPlayerData;
     private int lastLevelUpdated;
 
     /*
@@ -29,9 +32,8 @@ public class ExperienceBarWrapper {
     protected String niceSkillName;
     protected String title;
 
-    public ExperienceBarWrapper(PrimarySkillType primarySkillType, PersistentPlayerData persistentPlayerData)
-    {
-        this.persistentPlayerData = persistentPlayerData;
+    public ExperienceBarWrapper(@NotNull PrimarySkillType primarySkillType, @NotNull OnlineMMOPlayer mmoPlayer) {
+        this.mmoPlayerData = mmoPlayer.getMMOPlayerData();
         this.primarySkillType = primarySkillType;
         title = "";
         lastLevelUpdated = 0;
@@ -43,8 +45,7 @@ public class ExperienceBarWrapper {
         initBar();
     }
 
-    private void initBar()
-    {
+    private void initBar() {
         title = getTitleTemplate();
         createBossBar();
     }

src/main/java/com/gmail/nossr50/util/player/PlayerLevelUtils.java

@@ -3,34 +3,10 @@ package com.gmail.nossr50.util.player;
 import com.gmail.nossr50.datatypes.player.McMMOPlayer;
 import com.gmail.nossr50.datatypes.skills.PrimarySkillType;
 import com.gmail.nossr50.mcMMO;
+import org.jetbrains.annotations.NotNull;
 
 public class PlayerLevelUtils {
-//    HashMap<PrimarySkillType, Integer> earlyGameBoostCutoffs;
-//
-//    public PlayerLevelUtils()
-//    {
-//        earlyGameBoostCutoffs = new HashMap<>();
-//        calculateEarlyGameBoostCutoffs();
-//    }
-//    private void calculateEarlyGameBoostCutoffs()
-//    {
-//        for(PrimarySkillType primarySkillType : PrimarySkillType.values())
-//        {
-//            int levelCap = Config.getInstance().getLevelCap(primarySkillType);
-//            int cap;
-//
-//            if(levelCap == Integer.MAX_VALUE || levelCap <= 0)
-//            {
-//                cap = Config.getInstance().getIsRetroMode() ? 50 : 5;
-//            } else {
-//                cap = (int) (levelCap * ExperienceConfig.getInstance().getEarlyGameBoostMultiplier());
-//            }
-//
-//            earlyGameBoostCutoffs.put(primarySkillType, cap);
-//        }
-//    }
-
-    public int getEarlyGameCutoff(PrimarySkillType primarySkillType)
+    public int getEarlyGameCutoff(@NotNull PrimarySkillType primarySkillType)
     {
         return 1;
     }
@@ -42,7 +18,7 @@ public class PlayerLevelUtils {
      * @param primarySkillType target skill
      * @return if the player would qualify for the XP boost if its enabled
      */
-    public static boolean qualifiesForEarlyGameBoost(McMMOPlayer mmoPlayer, PrimarySkillType primarySkillType) {
+    public static boolean qualifiesForEarlyGameBoost(@NotNull McMMOPlayer mmoPlayer, @NotNull PrimarySkillType primarySkillType) {
         return mmoPlayer.getSkillLevel(primarySkillType) < mcMMO.getPlayerLevelUtils().getEarlyGameCutoff(primarySkillType);
     }
 }