Merge [SD2]

r1088 Add grid searcher class PlayerAtMinimumRangeAway and create ScriptedAI function GetPlayerAtMinimumRange that return player in grid with at least the defined range away from m_creature.
r1089 Remove no longer needed grid search code and use function instead. - skip
r1090 Rename and clarify function variables - skip
r1091 Add two new grid search functions to return list of creature and gameobject. Remove unused class.
r1092 Remove more grid search code in scripts and use functions instead.
r1093 Remove obsolete grid search class and rename new to a more consistent name.
r1094 Speed up functions GetCreature/GameObjectListWithEntryInGrid a bit

--HG--
branch : trunk

src/bindings/scripts/include/sc_creature.cpp

@@ -533,6 +533,25 @@ std::list<Creature*> ScriptedAI::DoFindFriendlyMissingBuff(float range, uint32 s
     return pList;
 }
 
+Player* ScriptedAI::GetPlayerAtMinimumRange(float fMinimumRange)
+{
+    Player* pPlayer = NULL;
+
+    CellPair pair(Trinity::ComputeCellPair(m_creature->GetPositionX(), m_creature->GetPositionY()));
+    Cell cell(pair);
+    cell.data.Part.reserved = ALL_DISTRICT;
+    cell.SetNoCreate();
+
+    Trinity::PlayerAtMinimumRangeAway check(m_creature, fMinimumRange);
+    Trinity::PlayerSearcher<Trinity::PlayerAtMinimumRangeAway> searcher(m_creature, pPlayer, check);
+    TypeContainerVisitor<Trinity::PlayerSearcher<Trinity::PlayerAtMinimumRangeAway>, GridTypeMapContainer> visitor(searcher);
+
+    CellLock<GridReadGuard> cell_lock(cell, pair);
+    cell_lock->Visit(cell_lock, visitor, *(m_creature->GetMap()));
+
+    return pPlayer;
+}
+
 void ScriptedAI::SetEquipmentSlots(bool bLoadDefault, int32 uiMainHand, int32 uiOffHand, int32 uiRanged)
 {
     if (bLoadDefault)