[7798] More Player::ActivateTaxiPathTo use improvements Author: VladimirMangos

* Provide more explicit way about spell that cast taxi flight if any
    * Remove incorrect states instead error reporting in case non-taximaster flight start (cast/script)
    * Remove mount_id arg from ActivateTaxiPathTo and implement support for 0 mount_id case (spell 32474)
    * Implement spell 32474 (except finilize part)
    * Provided Player::ActivateTaxiPathTo(uint32 taxi_path_id) function version for simplify one node to node paths use by id.

--HG--
branch : trunk

src/game/SpellEffects.cpp

@@ -5891,18 +5891,7 @@ void Spell::EffectSendTaxi(uint32 i)
     if(!unitTarget || unitTarget->GetTypeId() != TYPEID_PLAYER)
         return;
 
-    TaxiPathEntry const* entry = sTaxiPathStore.LookupEntry(m_spellInfo->EffectMiscValue[i]);
-    if(!entry)
-        return;
-
-    std::vector<uint32> nodes;
-
-    nodes.resize(2);
-    nodes[0] = entry->from;
-    nodes[1] = entry->to;
-
-    ((Player*)unitTarget)->ActivateTaxiPathTo(nodes);
-
+    ((Player*)unitTarget)->ActivateTaxiPathTo(m_spellInfo->EffectMiscValue[i],m_spellInfo->Id);
 }
 
 void Spell::EffectPlayerPull(uint32 i)