Move bleeding to mcBleedTimer

Put all the logic handling adding/removing/contains there and encapsulate our List
Additionally, should prevent a ConcurrentModificationException by locking, but I'm not 100% on the contiains not throing such an exception.

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

@@ -23,6 +23,7 @@ import com.gmail.nossr50.events.FakeEntityDamageEvent;
 import com.gmail.nossr50.locale.mcLocale;
 import com.gmail.nossr50.party.Party;
 import com.gmail.nossr50.runnables.GainXp;
+import com.gmail.nossr50.runnables.mcBleedTimer;
 import com.gmail.nossr50.skills.Acrobatics;
 import com.gmail.nossr50.skills.Archery;
 import com.gmail.nossr50.skills.Axes;
@@ -59,7 +60,7 @@ public class Combat {
             combatAbilityChecks(attacker);
 
             if (ItemChecks.isSword(itemInHand) && mcPermissions.getInstance().swords(attacker)) {
-                if (!plugin.misc.bleedTracker.contains(target)) {
+                if (!mcBleedTimer.contains(target)) {
                     Swords.bleedCheck(attacker, target, plugin);
                 }
 
@@ -360,8 +361,8 @@ public class Combat {
                 else {
                     LivingEntity livingEntity = (LivingEntity) entity;
 
-                    if (type.equals(SkillType.SWORDS) && !plugin.misc.bleedTracker.contains(entity)) {
-                        plugin.misc.bleedQue.add(livingEntity);
+                    if (type.equals(SkillType.SWORDS)) {
+                        mcBleedTimer.add(livingEntity);
                     }
 
                     dealDamage(livingEntity, damageAmount, attacker);

src/main/java/com/gmail/nossr50/config/Misc.java

@@ -1,25 +1,16 @@
 package com.gmail.nossr50.config;
 
-import java.util.ArrayList;
 import java.util.HashMap;
-import java.util.HashSet;
-
 import org.bukkit.entity.Entity;
-import org.bukkit.entity.LivingEntity;
 import org.bukkit.entity.Player;
 
 import com.gmail.nossr50.mcMMO;
 
 public class Misc {
     public HashMap<Entity, Integer> arrowTracker = new HashMap<Entity, Integer>();
-    public ArrayList<LivingEntity> bleedTracker = new ArrayList<LivingEntity>();
     public HashMap<Integer, Player> tntTracker = new HashMap<Integer, Player>();
     mcMMO plugin;
 
-    /* BLEED QUE STUFF */
-    public HashSet<LivingEntity> bleedQue = new HashSet<LivingEntity>();
-    public HashSet<LivingEntity> bleedRemovalQue = new HashSet<LivingEntity>();
-
     public Misc(mcMMO mcMMO) {
         this.plugin = mcMMO;
     }

src/main/java/com/gmail/nossr50/listeners/mcEntityListener.java

@@ -33,6 +33,7 @@ import com.gmail.nossr50.datatypes.SkillType;
 import com.gmail.nossr50.events.FakeEntityDamageByEntityEvent;
 import com.gmail.nossr50.events.FakeEntityDamageEvent;
 import com.gmail.nossr50.party.Party;
+import com.gmail.nossr50.runnables.mcBleedTimer;
 import com.gmail.nossr50.skills.Acrobatics;
 import com.gmail.nossr50.skills.Archery;
 import com.gmail.nossr50.skills.BlastMining;
@@ -146,9 +147,7 @@ public class mcEntityListener implements Listener {
         x.setFireTicks(0);
 
         /* Remove bleed track */
-        if(plugin.misc.bleedTracker.contains(x)) {
-            plugin.misc.bleedRemovalQue.add(x);
-        }
+        mcBleedTimer.remove(x);
 
         Archery.arrowRetrievalCheck(x, plugin);
 

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

@@ -291,29 +291,4 @@ public class m {
             return skillLevel;
         }
     }
-
-    /**
-     * Simulate a bleed.
-     *
-     * @param plugin mcMMO plugin instance
-     */
-    public static void bleedSimulate(mcMMO plugin) {
-
-        /* Set up the tracker */
-        plugin.misc.bleedTracker.addAll(plugin.misc.bleedQue);
-        plugin.misc.bleedQue.clear();
-        plugin.misc.bleedTracker.removeAll(plugin.misc.bleedRemovalQue);
-        plugin.misc.bleedRemovalQue.clear();
-
-        /* Bleed monsters/animals */
-        for (LivingEntity entity : plugin.misc.bleedTracker) {
-            if ((entity == null || entity.isDead())) {
-                plugin.misc.bleedRemovalQue.add(entity);
-                continue;
-            }
-            else {
-                Combat.dealDamage(entity, 2);
-            }
-        }
-    }
 }

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

@@ -35,6 +35,7 @@ import org.bukkit.plugin.Plugin;
 import org.bukkit.plugin.PluginDescriptionFile;
 import org.bukkit.plugin.java.JavaPlugin;
 import org.bukkit.plugin.PluginManager;
+import org.bukkit.scheduler.BukkitScheduler;
 import org.bukkit.configuration.file.FileConfiguration;
 import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.entity.Player;
@@ -51,9 +52,6 @@ public class mcMMO extends JavaPlugin {
     private final mcBlockListener blockListener = new mcBlockListener(this);
     private final mcEntityListener entityListener = new mcEntityListener(this);
 
-    private Runnable mcMMO_Timer = new mcTimer(this); //BLEED AND REGENERATION
-    private Runnable mcMMO_SaveTimer = new mcSaveTimer(this); //Periodic saving of Player Data
-
     //Alias - Command
     public HashMap<String, String> aliasMap = new HashMap<String, String>();
 
@@ -138,11 +136,14 @@ public class mcMMO extends JavaPlugin {
 
         System.out.println(pdfFile.getName() + " version " + pdfFile.getVersion() + " is enabled!" );
 
-        //Periodic save timer (Saves every 10 minutes)
-        Bukkit.getServer().getScheduler().scheduleSyncRepeatingTask(this, mcMMO_SaveTimer, 0, LoadProperties.saveInterval * 1200);
+        BukkitScheduler scheduler = getServer().getScheduler();
 
-        //Bleed & Regen timer (Runs every 20 seconds)
-        Bukkit.getServer().getScheduler().scheduleSyncRepeatingTask(this, mcMMO_Timer, 0, 20);
+        //Periodic save timer (Saves every 10 minutes)
+        scheduler.scheduleSyncRepeatingTask(this, new mcSaveTimer(this), 0, LoadProperties.saveInterval * 1200);
+        //Regen & Cooldown timer (Runs every second)
+        scheduler.scheduleSyncRepeatingTask(this, new mcTimer(this), 0, 20);
+        //Bleed timer (Runs every two seconds)
+        scheduler.scheduleSyncRepeatingTask(this, new mcBleedTimer(this), 0, 40);
 
         registerCommands();
 

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

@@ -0,0 +1,164 @@
+package com.gmail.nossr50.runnables;
+
+import java.util.HashSet;
+
+import org.bukkit.entity.LivingEntity;
+import org.bukkit.entity.Player;
+
+import com.gmail.nossr50.Combat;
+import com.gmail.nossr50.Users;
+import com.gmail.nossr50.mcMMO;
+import com.gmail.nossr50.datatypes.PlayerProfile;
+import com.gmail.nossr50.locale.mcLocale;
+
+public class mcBleedTimer implements Runnable {
+    private final mcMMO plugin;
+
+    private static HashSet<LivingEntity> bleedList = new HashSet<LivingEntity>();
+    private static HashSet<LivingEntity> bleedAddList = new HashSet<LivingEntity>();
+    private static HashSet<LivingEntity> bleedRemoveList = new HashSet<LivingEntity>();
+
+    private static boolean lock = false;
+
+    public mcBleedTimer(final mcMMO plugin) {
+        this.plugin = plugin;
+    }
+
+    @Override
+    public void run() {
+        // Update bleedList with bleedRemoveList and bleedAddList
+        updateBleedList();
+
+        // Player bleed simulation
+        for (Player player : plugin.getServer().getOnlinePlayers())
+        {
+            if (player == null) continue;
+
+            PlayerProfile PP = Users.getProfile(player);
+            if (PP == null) continue;
+
+            if (PP.getBleedTicks() >= 1)
+            {
+                //Never kill with Bleeding
+                if (player.getHealth() - 2 < 0)
+                {
+                    if (player.getHealth() - 1 > 0)
+                    {
+                        Combat.dealDamage(player, 1);
+                    }
+                }
+                else
+                {
+                    Combat.dealDamage(player, 2);
+                }
+
+                PP.decreaseBleedTicks();
+                
+                if (PP.getBleedTicks() == 0)
+                {
+                    player.sendMessage(mcLocale.getString("Swords.StoppedBleeding"));
+                }
+            }
+        }
+
+        // Non-player bleed simulation
+        bleedSimulate();
+    }
+
+    private void bleedSimulate() {
+        // Lock list for looping
+        lock = true;
+
+        // Bleed monsters/animals
+        for (LivingEntity entity : bleedList)
+        {
+            if ((entity == null || entity.isDead()))
+            {
+                remove(entity);
+                continue;
+            }
+            else
+            {
+                Combat.dealDamage(entity, 2);
+            }
+        }
+
+        // Unlock list now that we are done
+        lock = false;
+    }
+
+    private void updateBleedList() {
+        if (lock)
+        {
+            // We can't do anything when locked.
+            plugin.getLogger().warning("mcBleedTimer attempted to update the bleedList but the list was locked!");
+        }
+        else
+        {
+            // Remove
+            bleedList.removeAll(bleedRemoveList);
+            bleedRemoveList.clear();
+            // Add
+            bleedList.addAll(bleedAddList);
+            bleedAddList.clear();
+        }
+    }
+
+    /**
+     * Remove a LivingEntity from the bleedList if it is in it
+     * 
+     * @param entity LivingEntity to remove
+     */
+    public static void remove(LivingEntity entity) {
+        if (lock)
+        {
+            // Cannot remove when locked, put into bleedRemoveList
+            if (!bleedRemoveList.contains(entity))
+            {
+                bleedRemoveList.add(entity);
+            }
+        }
+        else
+        {
+            // Remove as normal
+            if (bleedList.contains(entity))
+            {
+                bleedList.remove(entity);
+            }
+        }
+    }
+
+    /**
+     * Add a LivingEntity to the bleedList if it is not in it
+     * 
+     * @param entity LivingEntity to add
+     */
+    public static void add(LivingEntity entity) {
+        if (lock)
+        {
+            // Cannot add when locked, put into bleedAddList
+            if (!bleedAddList.contains(entity))
+            {
+                bleedAddList.add(entity);
+            }
+        }
+        else
+        {
+            // Add as normal
+            if (!bleedList.contains(entity))
+            {
+                bleedList.add(entity);
+            }
+        }
+    }
+
+    /**
+     * Check to see if a LivingEntity is in the bleedList
+     * 
+     * @param entity LivingEntity to check if in the bleedList
+     * @return true if in the list, false if not
+     */
+    public static boolean contains(LivingEntity entity) {
+        return (bleedList.contains(entity) || bleedAddList.contains(entity));
+    }
+}

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

@@ -2,20 +2,16 @@ package com.gmail.nossr50.runnables;
 
 import org.bukkit.entity.*;
 
-import com.gmail.nossr50.Combat;
 import com.gmail.nossr50.Users;
-import com.gmail.nossr50.m;
 import com.gmail.nossr50.mcMMO;
 import com.gmail.nossr50.datatypes.AbilityType;
 import com.gmail.nossr50.datatypes.PlayerProfile;
 import com.gmail.nossr50.datatypes.SkillType;
-import com.gmail.nossr50.locale.mcLocale;
 import com.gmail.nossr50.skills.Skills;
 
 public class mcTimer implements Runnable
 {
 	private final mcMMO plugin;
-	int thecount = 1;
 
     public mcTimer(final mcMMO plugin) 
     {
@@ -56,37 +52,6 @@ public class mcTimer implements Runnable
 			Skills.watchCooldown(player, PP, curTime, AbilityType.BERSERK);
 			Skills.watchCooldown(player, PP, curTime, AbilityType.TREE_FELLER);
 			Skills.watchCooldown(player, PP, curTime, AbilityType.BLAST_MINING);
-			
-			/*
-			 * PLAYER BLEED MONITORING
-			 */
-			if(thecount % 2 == 0 && PP.getBleedTicks() >= 1)
-			{
-			    //Never kill with Bleeding
-			    if(player.getHealth() - 2 < 0)
-			    {
-			        if(player.getHealth() - 1 > 0)
-			            Combat.dealDamage(player, 1);
-			    } else
-			        Combat.dealDamage(player, 2);
-			    
-        		PP.decreaseBleedTicks();
-        		
-        		if(PP.getBleedTicks() == 0)
-        		    player.sendMessage(mcLocale.getString("Swords.StoppedBleeding"));
-        	}
-		
-			/*
-			 * NON-PLAYER BLEED MONITORING
-			 */
-			
-			if(thecount % 2 == 0)
-				m.bleedSimulate(plugin);
-			
-			//SETUP FOR HP REGEN/BLEED
-			thecount++;
-			if(thecount >= 81)
-				thecount = 1;
 		}
 	}
 }

src/main/java/com/gmail/nossr50/skills/Swords.java

@@ -17,6 +17,7 @@ import com.gmail.nossr50.datatypes.PlayerProfile;
 import com.gmail.nossr50.datatypes.SkillType;
 import com.gmail.nossr50.locale.mcLocale;
 import com.gmail.nossr50.party.Party;
+import com.gmail.nossr50.runnables.mcBleedTimer;
 
 public class Swords {
 
@@ -66,7 +67,7 @@ public class Swords {
                 Users.getProfile(target).addBleedTicks(bleedTicks);
             }
             else {
-                plugin.misc.bleedQue.add(entity);
+                mcBleedTimer.add(entity);
             }
             attacker.sendMessage(mcLocale.getString("Swords.EnemyBleeding"));
         }

src/main/java/com/gmail/nossr50/skills/Taming.java

@@ -21,6 +21,7 @@ import com.gmail.nossr50.config.LoadProperties;
 import com.gmail.nossr50.datatypes.PlayerProfile;
 import com.gmail.nossr50.datatypes.SkillType;
 import com.gmail.nossr50.locale.mcLocale;
+import com.gmail.nossr50.runnables.mcBleedTimer;
 
 public class Taming {
 
@@ -90,7 +91,7 @@ public class Taming {
                 Users.getProfile(target).setBleedTicks(2);
             }
             else {
-                plugin.misc.bleedQue.add((LivingEntity) entity);
+                mcBleedTimer.add((LivingEntity) entity);
             }
 
             master.sendMessage(mcLocale.getString("Combat.Gore"));