Core/SmartAI: added ACTION_ACTIVATE_TAXI

--HG--
branch : trunk

src/server/game/AI/SmartScripts/SmartScript.cpp

@@ -1138,6 +1138,15 @@ void SmartScript::ProcessAction(SmartScriptHolder &e, Unit* unit, uint32 var0, u
                 SetScript9(e, urand(e.action.randTimedActionList.entry1, e.action.randTimedActionList.entry2));
                 break;
             }
+        case SMART_ACTION_ACTIVATE_TAXI:
+            {
+                ObjectList* targets = GetTargets(e, unit);
+                if (!targets) return;
+                for (ObjectList::const_iterator itr = targets->begin(); itr != targets->end(); itr++)
+                    if (IsPlayer((*itr)))
+                        (*itr)->ToPlayer()->ActivateTaxiPathTo(e.action.taxi.id);
+                break;
+            }
         default:
             sLog.outErrorDb("SmartScript::ProcessAction: Unhandled Action type %u", e.GetActionType());
             break;

src/server/game/AI/SmartScripts/SmartScriptMgr.cpp

@@ -541,6 +541,15 @@ bool SmartAIMgr::IsEventValid(SmartScriptHolder &e)
         case SMART_ACTION_ADD_QUEST:
             if (e.action.quest.quest && !IsQuestValid(e, e.action.quest.quest)) return false;
             break;
+        case SMART_ACTION_ACTIVATE_TAXI:
+            {
+                if (!sTaxiPathStore.LookupEntry(e.action.taxi.id))
+                {
+                    sLog.outErrorDb("SmartAIMgr: Entry %d SourceType %u Event %u Action %u uses invalid Taxi path ID %u, skipped.", e.entryOrGuid, e.GetScriptType(), e.event_id, e.GetActionType(), e.action.taxi.id);
+                    return false;
+                }
+                break;
+            }
         case SMART_ACTION_RANDOM_EMOTE:
             if (e.action.randomEmote.emote1 && !IsEmoteValid(e, e.action.randomEmote.emote1)) return false;
             if (e.action.randomEmote.emote2 && !IsEmoteValid(e, e.action.randomEmote.emote2)) return false;

src/server/game/AI/SmartScripts/SmartScriptMgr.h

@@ -404,7 +404,7 @@ enum SMART_ACTION
     SMART_ACTION_ATTACK_START                       = 49,     // 
     SMART_ACTION_SUMMON_GO                          = 50,     // GameObjectID, DespawnTime in ms, 
     SMART_ACTION_KILL_UNIT                          = 51,     // 
-    //SMART_ACTION_WP_LOAD                            = 52,     // pathID
+    SMART_ACTION_ACTIVATE_TAXI                      = 52,     // TaxiID
     SMART_ACTION_WP_START                           = 53,     // run/walk, pathID, canRepeat, quest, despawntime, reactState
     SMART_ACTION_WP_PAUSE                           = 54,     // time
     SMART_ACTION_WP_STOP                            = 55,     // despawnTime, quest, fail?
@@ -682,7 +682,7 @@ struct SmartAction
         struct
         {
             uint32 id;
-        } wpLoad;
+        } taxi;
         
 
         struct