Abstract channel schedulers + Mob animation track + More portal SFX

Implemented an improved scheduler system for channels, on where Runnables objects are "registered in" to run on a scheduled future time (effective run time will depend on the proc time of the worker acting under-the-hood).
Implemented a channel scheduler for detecting "mobs currently on animation state". This allows the server to send info to the client about whether a mob should cast a skill or not at that moment.
Improved concurrent protection on MapleMonster listeners registry.
Improved resource deallocation when destroying a monster object.
Added a server flag to allow clean slates to be used on equipments even on the "only successfully used scroll slots" case.
Fixed a critical deadlock case with MapleServerHandler.
Added the portal SFX for many scripted portals that still lacked the sound effect.

scripts/portal/hontale_Bopen.js

@@ -40,7 +40,8 @@ function enter(pi) {
             // do nothing; send message to player
             pi.getPlayer().dropMessage(6, "Horntail\'s Seal is Blocking this Door.");
             return false;
-        }else {
+        } else {
+            pi.playPortalSound();
             pi.getPlayer().changeMap(target, targetPortal);
             return true;
         }
@@ -56,7 +57,8 @@ function enter(pi) {
             // do nothing; send message to player
             pi.getPlayer().dropMessage(6, "Horntail\'s Seal is Blocking this Door.");
             return false;
-        }else {
+        } else {
+            pi.playPortalSound();
             pi.getPlayer().changeMap(target, targetPortal);
             return true;
         }
@@ -72,7 +74,8 @@ function enter(pi) {
             // do nothing; send message to player
             pi.getPlayer().dropMessage(6, "Horntail\'s Seal is Blocking this Door.");
             return false;
-        }else {
+        } else {
+            pi.playPortalSound();
             pi.getPlayer().changeMap(target, targetPortal);
             return true;
         }
@@ -88,7 +91,8 @@ function enter(pi) {
             // do nothing; send message to player
             pi.getPlayer().dropMessage(6, "Horntail\'s Seal is Blocking this Door.");
             return false;
-        }else {
+        } else {
+            pi.playPortalSound();
             pi.getPlayer().changeMap(target, targetPortal);
             return true;
         }
@@ -104,6 +108,7 @@ function enter(pi) {
             if (pi.haveItem(4001092) && pi.isEventLeader()) {
                 eim.showClearEffect();
                 pi.getPlayer().dropMessage(6, "The leader's key break the seal for a flash...");
+                pi.playPortalSound();
                 pi.getPlayer().changeMap(target, targetPortal);
                 eim.setIntProperty("5stageclear", 1);
                 return true;
@@ -111,7 +116,8 @@ function enter(pi) {
                 pi.getPlayer().dropMessage(6, "Horntail\'s Seal is blocking this door. Only the leader with the key can lift this seal.");
                 return false;
             }
-        }else {
+        } else {
+            pi.playPortalSound();
             pi.getPlayer().changeMap(target, targetPortal);
             return true;
         }

scripts/portal/hontale_C.js

@@ -39,6 +39,7 @@ function enter(pi) {
             return false;
         }
         
+        pi.playPortalSound();
         eim.warpEventTeam(target);
         return true;
     } else {

scripts/portal/kpq0.js

@@ -28,6 +28,7 @@ function enter(pi) {
     var target = eim.getMapInstance(103000801);
 
     if (eim.getProperty("1stageclear") != null) {
+        pi.playPortalSound();
         pi.getPlayer().changeMap(target, target.getPortal("st00"));
         return true;
     }

scripts/portal/kpq1.js

@@ -28,6 +28,7 @@ function enter(pi) {
     var eim = pi.getPlayer().getEventInstance();
     var target = eim.getMapInstance(103000802);
     if (eim.getProperty("2stageclear") != null) {
+        pi.playPortalSound();
         pi.getPlayer().changeMap(target, target.getPortal("st00"));
         return true;
     }

scripts/portal/kpq2.js

@@ -27,6 +27,7 @@ function enter(pi) {
     var eim = pi.getPlayer().getEventInstance();
     var target = eim.getMapInstance(103000803);
     if (eim.getProperty("3stageclear") != null) {
+        pi.playPortalSound();
         pi.getPlayer().changeMap(target, target.getPortal("st00"));
         return true;
     }

scripts/portal/kpq3.js

@@ -28,6 +28,7 @@ function enter(pi) {
     var eim = pi.getPlayer().getEventInstance();
     var target = eim.getMapInstance(103000804);
     if (eim.getProperty("4stageclear") != null) {
+        pi.playPortalSound();
         pi.getPlayer().changeMap(target, target.getPortal("st00"));
         return true;
     }

scripts/portal/kpq4.js

@@ -27,6 +27,7 @@ function enter(pi) {
     var eim = pi.getPlayer().getEventInstance();
     var target = eim.getMapInstance(103000805);
     if (eim.getProperty("5stageclear") != null) {
+        pi.playPortalSound();
         pi.getPlayer().changeMap(target, target.getPortal("st00"));
         return true;
     }

scripts/portal/lpq0.js

@@ -35,6 +35,7 @@ function enter(pi) {
         return false;
     }
     else {
+        pi.playPortalSound();
         pi.getPlayer().changeMap(target, targetPortal);
         return true;
     }

scripts/portal/lpq1.js

@@ -35,6 +35,7 @@ function enter(pi) {
         return false;
     }
     else {
+        pi.playPortalSound();
         pi.getPlayer().changeMap(target, targetPortal);
         return true;
     }

scripts/portal/lpq2.js

@@ -36,6 +36,7 @@ function enter(pi) {
 		return false;
         }
 	else {
+                pi.playPortalSound();
 		pi.getPlayer().changeMap(target, targetPortal);
 		return true;
 	}

scripts/portal/lpq3.js

@@ -36,6 +36,7 @@ function enter(pi) {
 		return false;
         }
 	else {
+                pi.playPortalSound();
 		pi.getPlayer().changeMap(target, targetPortal);
 		return true;
 	}

scripts/portal/lpq4.js

@@ -36,6 +36,7 @@ function enter(pi) {
 		return false;
         }
 	else {
+                pi.playPortalSound();
 		pi.getPlayer().changeMap(target, targetPortal);
 		return true;
 	}

scripts/portal/lpq5.js

@@ -40,6 +40,7 @@ function enter(pi) {
 		if(eim.getProperty("6stageclear") == null) {
 			eim.setProperty("6stageclear", "true");
 		}
+                pi.playPortalSound();
 		pi.getPlayer().changeMap(target, targetPortal);
 		return true;
 	}

scripts/portal/lpq6.js

@@ -27,6 +27,7 @@ function enter(pi) {
 	var eim = pi.getPlayer().getEventInstance();
 	var target = eim.getMapInstance(922010800);
 	if (eim.getProperty("7stageclear") != null) {
+                pi.playPortalSound();
 		pi.getPlayer().changeMap(target, target.getPortal("st00"));
 		return true;
 	} else

scripts/portal/lpq7.js

@@ -37,6 +37,7 @@ function enter(pi) {
 		return false;
         }
 	else {
+                pi.playPortalSound();
 		pi.getPlayer().changeMap(target, targetPortal);
 		return true;
 	}

scripts/portal/party3_gardenin.js

@@ -1,5 +1,6 @@
 function enter(pi) {
 	if (pi.getPlayer().getParty() != null && pi.isEventLeader() && pi.haveItem(4001055,1)) {
+                pi.playPortalSound();
                 pi.getEventInstance().warpEventTeam(920010100);
                 return true;
 	} else {

scripts/portal/party6_out.js

@@ -3,6 +3,7 @@ function enter(pi) {
     
         if (eim.isEventCleared()) {
                 if(pi.isEventLeader()) {
+                        pi.playPortalSound();
                         eim.warpEventTeam(930000800);
                         return true;
                 } else {