BF/Wintergrasp: Implemented better support for Wintergrasp phasing. It has been done by checking player's distance to the Caputre Point on every tick. Now it is performed using spell_area.

P.D: Reverted my last commit, it was wrong (my apologies)

Wintergrasp_temp/Spells.sql

@@ -1,3 +1,24 @@
+SET @SPELL_HORDE := 56618;
+SET @SPELL_ALLIANCE := 56617;
+
+SET @AREA_SUNKEN_RING := 4538;
+SET @AREA_BROKEN_TEMPLE := 4539;
+SET @AREA_W_WORKSHOP := 4611;
+SET @AREA_E_WORKSHOP := 4612;
+
+DELETE FROM `spell_area` WHERE `spell` IN (@SPELL_HORDE, @SPELL_ALLIANCE);
+INSERT INTO `spell_area` (`spell`,`area`,`autocast`) VALUES
+(@SPELL_HORDE, @AREA_SUNKEN_RING, 1),
+(@SPELL_ALLIANCE, @AREA_SUNKEN_RING, 1),
+(@SPELL_HORDE, @AREA_BROKEN_TEMPLE, 1),
+(@SPELL_ALLIANCE, @AREA_BROKEN_TEMPLE, 1),
+(@SPELL_HORDE, @AREA_W_WORKSHOP, 1),
+(@SPELL_ALLIANCE, @AREA_W_WORKSHOP, 1),
+(@SPELL_HORDE, @AREA_E_WORKSHOP, 1),
+(@SPELL_ALLIANCE, @AREA_E_WORKSHOP, 1);
+
+/* 
+
 Spell 56617 "Alliance Controls Factory Phase Shift" Adds Phase 32
 Spell 56618 "Horde Controls Factory Phase Shift" Adds Phase 16
 
@@ -26,4 +47,6 @@ Spells cast on vehicle as auras... or something (PET_SPELLS cooldowns):
 61178 (Grab Passenger) (Catapult, Siege Engine... NOT tower cannons)
 56866 (-Unknown-) (Catapult, Siege Engine.... NOT tower cannons)
 14268 (Alliance Flag) (Catapult, Siege Engine... NOT tower cannons)
-14267 (Horde Flag)
+14267 (Horde Flag)
+
+*/

src/server/game/Battlefield/Zones/BattlefieldWG.cpp

@@ -238,19 +238,6 @@ bool BattlefieldWG::Update(uint32 diff)
 
     }
 
-    for (uint8 team = 0; team < 2; ++team)
-        for (GuidSet::const_iterator itr = m_players[team].begin(); itr != m_players[team].end(); ++itr)
-            if (Player* player = sObjectAccessor->FindPlayer(*itr))
-                for (BfCapturePointMap::iterator cp_itr = m_capturePoints.begin(); cp_itr != m_capturePoints.end(); ++cp_itr)
-                {
-                    if ((*cp_itr).second->GetCapturePointGo()->GetExactDist2dSq(player) < 22500.0f) // 150*150
-                    {
-                        player->AddAura((*cp_itr).second->GetTeamId() == TEAM_HORDE ? SPELL_HORDE_CONTROLS_FACTORY_PHASE_SHIFT : SPELL_ALLIANCE_CONTROLS_FACTORY_PHASE_SHIFT, player);
-                        player->RemoveAurasDueToSpell((*cp_itr).second->GetTeamId() == TEAM_ALLIANCE ? SPELL_HORDE_CONTROLS_FACTORY_PHASE_SHIFT : SPELL_ALLIANCE_CONTROLS_FACTORY_PHASE_SHIFT);
-                        break;
-                    }
-                }
-
     return m_return;
 }
 
@@ -862,6 +849,7 @@ void BattlefieldWG::OnPlayerLeaveWar(Player* player)
         player->RemoveAurasDueToSpell(SPELL_CORPORAL);
         player->RemoveAurasDueToSpell(SPELL_LIEUTENANT);
         player->RemoveAurasDueToSpell(SPELL_TOWER_CONTROL);
+        player->RemoveAurasDueToSpell(SPELL_SPIRITUAL_IMMUNITY);
         player->RemoveAurasDueToSpell(SPELL_TENACITY);
         player->RemoveAurasDueToSpell(SPELL_WINTERGRASP_RESTRICTED_FLIGHT_AREA);
         player->RemoveAurasDueToSpell(SPELL_ESSENCE_OF_WINTERGRASP);
@@ -882,6 +870,7 @@ void BattlefieldWG::OnPlayerLeaveZone(Player* player)
         player->RemoveAurasDueToSpell(SPELL_CORPORAL);
         player->RemoveAurasDueToSpell(SPELL_LIEUTENANT);
         player->RemoveAurasDueToSpell(SPELL_TOWER_CONTROL);
+        player->RemoveAurasDueToSpell(SPELL_SPIRITUAL_IMMUNITY);
         player->RemoveAurasDueToSpell(SPELL_TENACITY);
         player->RemoveAurasDueToSpell(SPELL_WINTERGRASP_RESTRICTED_FLIGHT_AREA);
         player->RemoveAurasDueToSpell(SPELL_TOWER_CONTROL);
@@ -901,6 +890,7 @@ void BattlefieldWG::OnPlayerEnterZone(Player* player)
         player->RemoveAurasDueToSpell(SPELL_CORPORAL);
         player->RemoveAurasDueToSpell(SPELL_LIEUTENANT);
         player->RemoveAurasDueToSpell(SPELL_TOWER_CONTROL);
+        player->RemoveAurasDueToSpell(SPELL_SPIRITUAL_IMMUNITY);
         player->RemoveAurasDueToSpell(SPELL_TENACITY);
         player->RemoveAurasDueToSpell(SPELL_WINTERGRASP_RESTRICTED_FLIGHT_AREA);
         player->RemoveAurasDueToSpell(SPELL_TOWER_CONTROL);
@@ -913,6 +903,24 @@ void BattlefieldWG::OnPlayerEnterZone(Player* player)
     SendInitWorldStatesTo(player);
 }
 
+uint32 BattlefieldWG::GetData(uint32 data)
+{
+    switch (data)
+    {
+        // Used to determine when the phasing spells must be casted
+        // See: SpellArea::IsFitToRequirements
+        case AREA_THE_SUNKEN_RING:
+        case AREA_THE_BROKEN_TEMPLATE:
+        case AREA_WESTPARK_WORKSHOP:
+        case AREA_EASTPARK_WORKSHOP:
+            // Graveyards and Workshops are controlled by the same team.
+            if (m_GraveYardList[GetSpiritGraveyardId(data)])
+                return m_GraveYardList[GetSpiritGraveyardId(data)]->GetControlTeamId();
+    }
+
+    return 0;
+}
+
 // Method sending worldsate to player
 WorldPacket BattlefieldWG::BuildInitWorldStates()
 {

src/server/game/Battlefield/Zones/BattlefieldWG.h

@@ -428,6 +428,8 @@ class BattlefieldWG : public Battlefield
 
         // returns the graveyardId in the specified area.
         uint8 GetSpiritGraveyardId(uint32 areaId);
+
+        uint32 GetData(uint32 data);
     protected:
         bool m_CanClickOnOrb;
         GameObject* m_relic;

src/server/game/Spells/SpellMgr.cpp

@@ -30,6 +30,8 @@
 #include "CreatureAI.h"
 #include "MapManager.h"
 #include "BattlegroundIC.h"
+#include "BattlefieldWG.h"
+#include "BattlefieldMgr.h"
 
 bool IsPrimaryProfessionSkill(uint32 skill)
 {
@@ -1145,6 +1147,26 @@ bool SpellArea::IsFitToRequirements(Player const* player, uint32 newZone, uint32
 
             return false;
         }
+        case 56618: // Horde Controls Factory Phase Shift
+        case 56617: // Alliance Controls Factory Phase Shift
+            {
+                if (!player)
+                    return false;
+
+                Battlefield* bf = sBattlefieldMgr.GetBattlefieldToZoneId(player->GetZoneId());
+
+                if (!bf || bf->GetTypeId() != BATTLEFIELD_WG)
+                    return false;
+
+                // team that controls the workshop in the specified area
+                uint32 team = bf->GetData(newArea);
+                
+                if (team == TEAM_HORDE)
+                    return spellId == 56618;
+                else if (team == TEAM_ALLIANCE)
+                    return spellId == 56617;
+            }
+            break;
     }
 
     return true;