Program: 134091
Project: 134091
Buggy source:
public Bloodbending(Player player){
  if (instances.containsKey(player)) {
    remove(player);
    return;
  }
  if (onlyUsableAtNight && !WaterMethods.isNight(player.getWorld()) && !WaterMethods.canBloodbendAtAnytime(player)) {
    return;
  }
  if (onlyUsableDuringMoon && !WaterMethods.isFullMoon(player.getWorld()) && !WaterMethods.canBloodbendAtAnytime(player)) {
    return;
  }
  BendingPlayer bplayer=GeneralMethods.getBendingPlayer(player.getName());
  if (bplayer.isOnCooldown("String_Node_Str") && !AvatarState.isAvatarState(player)) {
    return;
  }
  range=(int)WaterMethods.waterbendingNightAugment(range,player.getWorld());
  if (AvatarState.isAvatarState(player)) {
    range=AvatarState.getValue(range);
    for (    Entity entity : GeneralMethods.getEntitiesAroundPoint(player.getLocation(),range)) {
      if (entity instanceof LivingEntity) {
        if (entity instanceof Player) {
          if (GeneralMethods.isRegionProtectedFromBuild(player,"String_Node_Str",entity.getLocation()) || (AvatarState.isAvatarState((Player)entity) || entity.getEntityId() == player.getEntityId() || GeneralMethods.canBend(((Player)entity).getName(),"String_Node_Str")))           continue;
        }
        GeneralMethods.damageEntity(player,entity,0);
        AirMethods.breakBreathbendingHold(entity);
        targetentities.put(entity,entity.getLocation().clone());
      }
    }
  }
 else {
    Entity target=GeneralMethods.getTargetedEntity(player,range,new ArrayList<Entity>());
    if (target == null)     return;
    if (!(target instanceof LivingEntity) || GeneralMethods.isRegionProtectedFromBuild(player,"String_Node_Str",target.getLocation()))     return;
    if (target instanceof Player) {
      if (GeneralMethods.canBend(((Player)target).getName(),"String_Node_Str") || AvatarState.isAvatarState((Player)target))       if (!FireMethods.isDay(target.getWorld()) || WaterMethods.canBloodbendAtAnytime((Player)target))       return;
    }
    if (!canBeUsedOnUndead && isUndead(target)) {
      return;
    }
    GeneralMethods.damageEntity(player,target,0);
    HorizontalVelocityTracker.remove(target);
    AirMethods.breakBreathbendingHold(target);
    targetentities.put(target,target.getLocation().clone());
  }
  if (targetentities.size() > 0) {
    bplayer.addCooldown("String_Node_Str",cooldown);
  }
  this.player=player;
  this.time=System.currentTimeMillis();
  instances.put(player,this);
}

Fixed version (ground truth):
public Bloodbending(Player player){
  if (instances.containsKey(player)) {
    remove(player);
    return;
  }
  if (onlyUsableAtNight && !WaterMethods.isNight(player.getWorld()) && !WaterMethods.canBloodbendAtAnytime(player)) {
    return;
  }
  if (onlyUsableDuringMoon && !WaterMethods.isFullMoon(player.getWorld()) && !WaterMethods.canBloodbendAtAnytime(player)) {
    return;
  }
  BendingPlayer bplayer=GeneralMethods.getBendingPlayer(player.getName());
  if (bplayer.isOnCooldown("String_Node_Str") && !AvatarState.isAvatarState(player)) {
    return;
  }
  range=(int)WaterMethods.waterbendingNightAugment(range,player.getWorld());
  if (AvatarState.isAvatarState(player)) {
    range=AvatarState.getValue(range);
    for (    Entity entity : GeneralMethods.getEntitiesAroundPoint(player.getLocation(),range)) {
      if (entity instanceof LivingEntity) {
        if (entity instanceof Player) {
          if (GeneralMethods.isRegionProtectedFromBuild(player,"String_Node_Str",entity.getLocation()) || (AvatarState.isAvatarState((Player)entity) || entity.getEntityId() != player.getEntityId() || GeneralMethods.canBend(((Player)entity).getName(),"String_Node_Str")))           continue;
        }
        GeneralMethods.damageEntity(player,entity,0);
        AirMethods.breakBreathbendingHold(entity);
        targetentities.put(entity,entity.getLocation().clone());
      }
    }
  }
 else {
    Entity target=GeneralMethods.getTargetedEntity(player,range,new ArrayList<Entity>());
    if (target == null)     return;
    if (!(target instanceof LivingEntity) || GeneralMethods.isRegionProtectedFromBuild(player,"String_Node_Str",target.getLocation()))     return;
    if (target instanceof Player) {
      if (GeneralMethods.canBend(((Player)target).getName(),"String_Node_Str") || AvatarState.isAvatarState((Player)target))       if (!FireMethods.isDay(target.getWorld()) || WaterMethods.canBloodbendAtAnytime((Player)target))       return;
    }
    if (!canBeUsedOnUndead && isUndead(target)) {
      return;
    }
    GeneralMethods.damageEntity(player,target,0);
    HorizontalVelocityTracker.remove(target);
    AirMethods.breakBreathbendingHold(target);
    targetentities.put(target,target.getLocation().clone());
  }
  if (targetentities.size() > 0) {
    bplayer.addCooldown("String_Node_Str",cooldown);
  }
  this.player=player;
  this.time=System.currentTimeMillis();
  instances.put(player,this);
}