Big update.

src/strategy/actions/WorldBuffAction.cpp

@@ -0,0 +1,53 @@
+/*
+ * 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 "WorldBuffAction.h"
+#include "Event.h"
+#include "Playerbots.h"
+
+bool WorldBuffAction::Execute(Event event)
+{
+    std::string const text = event.getParam();
+
+    for (auto& wb : NeedWorldBuffs(bot))
+    {
+        bot->AddAura(wb, bot);
+    }
+
+    return false;
+}
+
+std::vector<uint32> WorldBuffAction::NeedWorldBuffs(Unit* unit)
+{
+    std::vector<uint32> retVec;
+
+    if (sPlayerbotAIConfig->worldBuffs.empty())
+        return std::move(retVec);
+
+    FactionTemplateEntry const* humanFaction = sFactionTemplateStore.LookupEntry(1);
+    uint32 factionId = (Unit::GetFactionReactionTo(unit->GetFactionTemplateEntry(), humanFaction) >= REP_NEUTRAL) ? 1 : 2;
+
+    for (auto& wb : sPlayerbotAIConfig->worldBuffs)
+    {
+        if (wb.factionId != 0 && wb.factionId != factionId)
+            continue;
+
+        if (wb.classId != 0 && wb.classId != unit->getClass())
+            continue;
+
+        if (wb.minLevel != 0 && wb.minLevel > unit->getLevel())
+            continue;
+
+        if (wb.maxLevel != 0 && wb.maxLevel < unit->getLevel())
+            continue;
+
+        if (unit->HasAura(wb.spellId))
+            continue;
+
+        retVec.push_back(wb.spellId);
+    }
+
+    return std::move(retVec);
+}
+