Big update.

src/strategy/Queue.cpp

@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license, you may redistribute it and/or modify it under version 2 of the License, or (at your option), any later version.
+ */
+
+#include "Queue.h"
+#include "AiObjectContext.h"
+#include "Log.h"
+#include "PlayerbotAIConfig.h"
+
+void Queue::Push(ActionBasket *action)
+{
+	if (action)
+    {
+        for (std::list<ActionBasket*>::iterator iter = actions.begin(); iter != actions.end(); iter++)
+        {
+            ActionBasket* basket = *iter;
+            if (action->getAction()->getName() == basket->getAction()->getName())
+            {
+				if (basket->getRelevance() < action->getRelevance())
+					basket->setRelevance(action->getRelevance());
+
+				if (ActionNode* actionNode = action->getAction())
+				    delete actionNode;
+
+                delete action;
+
+                return;
+            }
+        }
+
+		actions.push_back(action);
+    }
+}
+
+ActionNode* Queue::Pop()
+{
+	float max = -1;
+	ActionBasket* selection = nullptr;
+
+	for (std::list<ActionBasket*>::iterator iter = actions.begin(); iter != actions.end(); iter++)
+	{
+		ActionBasket* basket = *iter;
+		if (basket->getRelevance() > max)
+		{
+			max = basket->getRelevance();
+			selection = basket;
+		}
+	}
+
+	if (selection != nullptr)
+	{
+		ActionNode* action = selection->getAction();
+		actions.remove(selection);
+		delete selection;
+		return action;
+	}
+
+	return nullptr;
+}
+
+ActionBasket* Queue::Peek()
+{
+    float max = -1;
+    ActionBasket* selection = nullptr;
+    for (std::list<ActionBasket*>::iterator iter = actions.begin(); iter != actions.end(); iter++)
+    {
+        ActionBasket* basket = *iter;
+        if (basket->getRelevance() > max)
+        {
+            max = basket->getRelevance();
+            selection = basket;
+        }
+    }
+
+    return selection;
+}
+
+uint32 Queue::Size()
+{
+	return actions.size();
+}
+
+void Queue::RemoveExpired()
+{
+    std::list<ActionBasket*> expired;
+    for (std::list<ActionBasket*>::iterator iter = actions.begin(); iter != actions.end(); iter++)
+    {
+        ActionBasket* basket = *iter;
+        if (sPlayerbotAIConfig->expireActionTime && basket->isExpired(sPlayerbotAIConfig->expireActionTime / 1000))
+            expired.push_back(basket);
+    }
+
+    for (std::list<ActionBasket*>::iterator iter = expired.begin(); iter != expired.end(); iter++)
+    {
+        ActionBasket* basket = *iter;
+        actions.remove(basket);
+
+        if (ActionNode* action = basket->getAction())
+        {
+            LOG_DEBUG("playerbots", "Action {} is expired", action->getName().c_str());
+            delete action;
+        }
+
+        delete basket;
+    }
+}