Big update.

src/strategy/values/AoeValues.cpp

@@ -0,0 +1,87 @@
+/*
+ * 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 "AoeValues.h"
+#include "Playerbots.h"
+#include "ServerFacade.h"
+
+GuidVector FindMaxDensity(Player* bot)
+{
+    PlayerbotAI* botAI = GET_PLAYERBOT_AI(bot);
+    GuidVector units = *botAI->GetAiObjectContext()->GetValue<GuidVector>("possible targets");
+
+    std::map<ObjectGuid, GuidVector> groups;
+    uint32 maxCount = 0;
+    ObjectGuid maxGroup;
+    for (GuidVector::iterator i = units.begin(); i != units.end(); ++i)
+    {
+        Unit* unit = botAI->GetUnit(*i);
+        if (!unit)
+            continue;
+
+        for (GuidVector::iterator j = units.begin(); j != units.end(); ++j)
+        {
+            Unit* other = botAI->GetUnit(*j);
+            if (!other)
+                continue;
+
+            float d = sServerFacade->GetDistance2d(unit, other);
+            if (sServerFacade->IsDistanceLessOrEqualThan(d, sPlayerbotAIConfig->aoeRadius * 2))
+                groups[*i].push_back(*j);
+        }
+
+        if (maxCount < groups[*i].size())
+        {
+            maxCount = groups[*i].size();
+            maxGroup = *i;
+        }
+    }
+
+    if (!maxCount)
+        return GuidVector();
+
+    return groups[maxGroup];
+}
+
+WorldLocation AoePositionValue::Calculate()
+{
+    GuidVector group = FindMaxDensity(bot);
+    if (group.empty())
+        return WorldLocation();
+
+    // Note: don't know where these values come from or even used.
+    float x1 = 0.f;
+    float y1 = 0.f;
+    float x2 = 0.f;
+    float y2 = 0.f;
+    for (GuidVector::iterator i = group.begin(); i != group.end(); ++i)
+    {
+        Unit* unit = GET_PLAYERBOT_AI(bot)->GetUnit(*i);
+        if (!unit)
+            continue;
+
+        if (i == group.begin() || x1 > unit->GetPositionX())
+            x1 = unit->GetPositionX();
+
+        if (i == group.begin() || x2 < unit->GetPositionX())
+            x2 = unit->GetPositionX();
+
+        if (i == group.begin() || y1 > unit->GetPositionY())
+            y1 = unit->GetPositionY();
+
+        if (i == group.begin() || y2 < unit->GetPositionY())
+            y2 = unit->GetPositionY();
+    }
+
+    float x = (x1 + x2) / 2;
+    float y = (y1 + y2) / 2;
+    float z = bot->GetPositionZ() + CONTACT_DISTANCE;;
+    bot->UpdateAllowedPositionZ(x, y, z);
+    return WorldLocation(bot->GetMapId(), x, y, z, 0);
+}
+
+uint8 AoeCountValue::Calculate()
+{
+    return FindMaxDensity(bot).size();
+}