Added some JSON, much more to come.

src/main/java/com/gmail/nossr50/util/skills/RankUtils.java

@@ -0,0 +1,100 @@
+package com.gmail.nossr50.util.skills;
+
+import com.gmail.nossr50.config.AdvancedConfig;
+import com.gmail.nossr50.datatypes.skills.SubSkill;
+import com.gmail.nossr50.util.player.UserManager;
+import org.bukkit.entity.Player;
+
+import java.util.HashMap;
+
+public class RankUtils {
+    public static HashMap<SubSkill, HashMap<Integer, Integer>> subSkillRanks;
+
+    /**
+     * Adds ranks to subSkillRanks for target SubSkill
+     * @param subSkill Target SubSkill
+     */
+    private static void addRanks(SubSkill subSkill) {
+        int numRanks = subSkill.getNumRanks();
+
+        //Fill out the rank array
+        for(int i = 0; i < numRanks; i++)
+        {
+            //This adds the highest ranks first
+            addRank(subSkill, numRanks-i);
+        }
+    }
+
+    /**
+     * Gets the current rank of the subskill for the player
+     * @param player The player in question
+     * @param subSkill Target subskill
+     * @return The rank the player currently has achieved in this skill. -1 for skills without ranks.
+     */
+    public static int getRank(Player player, SubSkill subSkill)
+    {
+        if(subSkillRanks == null)
+            subSkillRanks = new HashMap<>();
+
+        if(subSkill.getNumRanks() == 0)
+            return -1; //-1 Means the skill doesn't have ranks
+
+        if(subSkillRanks.get(subSkill) == null && subSkill.getNumRanks() > 0)
+            addRanks(subSkill);
+
+        //Get our rank map
+        HashMap<Integer, Integer> rankMap = subSkillRanks.get(subSkill);
+
+        //Skill level of parent skill
+        int currentSkillLevel = UserManager.getPlayer(player).getSkillLevel(subSkill.getParentSkill());
+
+        for(int i = 0; i < subSkill.getNumRanks(); i++)
+        {
+            //Compare against the highest to lowest rank in that order
+            int rank = subSkill.getNumRanks()-i;
+            //System.out.println("Checking rank "+rank+" of "+subSkill.getNumRanks());
+            int unlockLevel = getUnlockLevel(subSkill, rank);
+            //System.out.println("Rank "+rank+" -- Unlock level: "+unlockLevel);
+            //System.out.println("Rank" +rank+" -- Player Skill Level: "+currentSkillLevel);
+
+            //If we check all ranks and still cannot unlock the skill, we return rank 0
+            if(rank == 0)
+                return 0;
+
+            //True if our skill level can unlock the current rank
+            if(currentSkillLevel >= unlockLevel)
+                return rank;
+        }
+
+        return 0; //We should never reach this
+    }
+
+    /**
+     * Adds ranks to our map
+     * @param subSkill The subskill to add ranks for
+     * @param rank The rank to add
+     */
+    private static void addRank(SubSkill subSkill, int rank)
+    {
+        if(subSkillRanks == null)
+            subSkillRanks = new HashMap<>();
+
+        if(subSkillRanks.get(subSkill) == null)
+            subSkillRanks.put(subSkill, new HashMap<>());
+
+        HashMap<Integer, Integer> rankMap = subSkillRanks.get(subSkill);
+
+        rankMap.put(rank, getUnlockLevel(subSkill, rank));
+    }
+
+    /**
+     * Gets the unlock level for a specific rank in a subskill
+     * @param subSkill The target subskill
+     * @param rank The target rank
+     * @return The level at which this rank unlocks
+     */
+    private static int getUnlockLevel(SubSkill subSkill, int rank)
+    {
+        return AdvancedConfig.getInstance().getSubSkillUnlockLevel(subSkill, rank);
+    }
+}