Core/BG/SOA: fixed interaction with flags and titan relic

Closes #13091

(cherry picked from commit 8afa15ef15b3d540208e89dd8e9072bd75af041d)

Conflicts:
	src/server/game/Battlegrounds/Zones/BattlegroundSA.cpp

2 files changed, 81 insertions, 47 deletions

diff --git a/src/server/game/Battlegrounds/Zones/BattlegroundSA.cpp b/src/server/game/Battlegrounds/Zones/BattlegroundSA.cpp
index 59452eab637..0b5b8dc5aa7 100644
--- a/src/server/game/Battlegrounds/Zones/BattlegroundSA.cpp
+++ b/src/server/game/Battlegrounds/Zones/BattlegroundSA.cpp
@@ -100,7 +100,7 @@ bool BattlegroundSA::ResetObjs()
     for (uint8 i = BG_SA_MAXNPC; i < BG_SA_MAXNPC + BG_SA_MAX_GY; i++)
         DelCreature(i);
 
-    for (uint8 i = 0; i < 6; i++)
+    for (uint8 i = 0; i < MAX_GATES; ++i)
         GateStatus[i] = BG_SA_GATE_OK;
 
     if (!AddCreature(BG_SA_NpcEntries[BG_SA_NPC_KANRETHAD], BG_SA_NPC_KANRETHAD, BG_SA_NpcSpawnlocs[BG_SA_NPC_KANRETHAD]))
@@ -180,9 +180,6 @@ bool BattlegroundSA::ResetObjs()
     GetBGObject(BG_SA_TITAN_RELIC)->SetFaction(atF);
     GetBGObject(BG_SA_TITAN_RELIC)->Refresh();
 
-    for (uint8 i = 0; i <= 5; i++)
-        GateStatus[i] = BG_SA_GATE_OK;
-
     TotalTime = 0;
     ShipsStarted = false;
 
@@ -222,6 +219,8 @@ bool BattlegroundSA::ResetObjs()
         GetBGObject(i)->SetFaction(atF);
     }
 
+    UpdateObjectInteractionFlags();
+
     for (uint8 i = BG_SA_BOMB; i < BG_SA_MAXOBJ; i++)
     {
         if (!AddObject(i, BG_SA_ObjEntries[BG_SA_BOMB], BG_SA_ObjSpawnlocs[i], 0, 0, 0, 0, RESPAWN_ONE_DAY))
@@ -482,28 +481,7 @@ void BattlegroundSA::AddPlayer(Player* player)
 
     SendTransportInit(player);
 
-    if (!ShipsStarted)
-    {
-        if (player->GetTeamId() == Attackers)
-        {
-            //player->AddUnitMovementFlag(MOVEMENTFLAG_ONTRANSPORT);
-
-            if (urand(0, 1))
-                player->TeleportTo(607, 2682.936f, -830.368f, 15.0f, 2.895f, 0);
-            else
-                player->TeleportTo(607, 2577.003f, 980.261f, 15.0f, 0.807f, 0);
-
-        }
-        else
-            player->TeleportTo(607, 1209.7f, -65.16f, 70.1f, 0.0f, 0);
-    }
-    else
-    {
-        if (player->GetTeamId() == Attackers)
-            player->TeleportTo(607, 1600.381f, -106.263f, 8.8745f, 3.78f, 0);
-        else
-            player->TeleportTo(607, 1209.7f, -65.16f, 70.1f, 0.0f, 0);
-    }
+    TeleportToEntrancePosition(player);
 }
 
 void BattlegroundSA::RemovePlayer(Player* /*player*/, ObjectGuid /*guid*/, uint32 /*team*/) { }
@@ -534,23 +512,31 @@ void BattlegroundSA::TeleportPlayers()
             player->ResetAllPowers();
             player->CombatStopWithPets(true);
 
-            for (BattlegroundPlayerMap::const_iterator itr = GetPlayers().begin(); itr != GetPlayers().end(); ++itr)
-                if (Player* p = ObjectAccessor::FindPlayer(itr->first))
-                    p->CastSpell(p, SPELL_PREPARATION, true);
+            player->CastSpell(player, SPELL_PREPARATION, true);
 
-            if (player->GetTeamId() == Attackers)
-            {
-                //player->AddUnitMovementFlag(MOVEMENTFLAG_ONTRANSPORT);
+            TeleportToEntrancePosition(player);
+        }
+    }
+}
 
-                if (urand(0, 1))
-                    player->TeleportTo(607, 2682.936f, -830.368f, 15.0f, 2.895f, 0);
-                else
-                    player->TeleportTo(607, 2577.003f, 980.261f, 15.0f, 0.807f, 0);
-            }
+void BattlegroundSA::TeleportToEntrancePosition(Player* player)
+{
+    if (player->GetTeamId() == Attackers)
+    {
+        if (!ShipsStarted)
+        {
+            player->AddUnitMovementFlag(MOVEMENTFLAG_ONTRANSPORT);
+
+            if (urand(0, 1))
+                player->TeleportTo(607, 2682.936f, -830.368f, 15.0f, 2.895f, 0);
             else
-                player->TeleportTo(607, 1209.7f, -65.16f, 70.1f, 0.0f, 0);
+                player->TeleportTo(607, 2577.003f, 980.261f, 15.0f, 0.807f, 0);
         }
+        else
+            player->TeleportTo(607, 1600.381f, -106.263f, 8.8745f, 3.78f, 0);
     }
+    else
+        player->TeleportTo(607, 1209.7f, -65.16f, 70.1f, 0.0f, 0);
 }
 
 void BattlegroundSA::ProcessEvent(WorldObject* obj, uint32 eventId, WorldObject* invoker /*= NULL*/)
@@ -629,6 +615,8 @@ void BattlegroundSA::ProcessEvent(WorldObject* obj, uint32 eventId, WorldObject*
                                 }
                             }
                         }
+
+                        UpdateObjectInteractionFlags();
                     }
                     else
                         break;
@@ -712,7 +700,7 @@ WorldSafeLocsEntry const* BattlegroundSA::GetClosestGraveYard(Player* player)
         safeloc = BG_SA_GYEntries[BG_SA_DEFENDER_LAST_GY];
 
     closest = sWorldSafeLocsStore.LookupEntry(safeloc);
-    nearest = std::sqrt((closest->Loc.X - x)*(closest->Loc.X - x) + (closest->Loc.Y - y)*(closest->Loc.Y - y) + (closest->Loc.Z - z)*(closest->Loc.Z - z));
+    nearest = player->GetExactDistSq(closest->x, closest->y, closest->z);
 
     for (uint8 i = BG_SA_RIGHT_CAPTURABLE_GY; i < BG_SA_MAX_GY; i++)
     {
@@ -720,7 +708,7 @@ WorldSafeLocsEntry const* BattlegroundSA::GetClosestGraveYard(Player* player)
             continue;
 
         ret = sWorldSafeLocsStore.LookupEntry(BG_SA_GYEntries[i]);
-        dist = std::sqrt((ret->Loc.X - x)*(ret->Loc.X - x) + (ret->Loc.Y - y)*(ret->Loc.Y - y) + (ret->Loc.Z - z)*(ret->Loc.Z - z));
+        dist = player->GetExactDistSq(ret->x, ret->y, ret->z);
         if (dist < nearest)
         {
             closest = ret;
@@ -739,23 +727,66 @@ void BattlegroundSA::SendTime()
     UpdateWorldState(BG_SA_TIMER_SEC_DECS, ((end_of_round%60000)%10000)/1000);
 }
 
+bool BattlegroundSA::CanInteractWithObject(uint32 objectId)
+{
+    switch (objectId)
+    {
+        case BG_SA_TITAN_RELIC:
+            if (GateStatus[BG_SA_ANCIENT_GATE] != BG_SA_GATE_DESTROYED || GateStatus[BG_SA_YELLOW_GATE] != BG_SA_GATE_DESTROYED)
+                return false;
+            // no break
+        case BG_SA_CENTRAL_FLAG:
+            if (GateStatus[BG_SA_RED_GATE] != BG_SA_GATE_DESTROYED && GateStatus[BG_SA_PURPLE_GATE] != BG_SA_GATE_DESTROYED)
+                return false;
+            // no break
+        case BG_SA_LEFT_FLAG:
+        case BG_SA_RIGHT_FLAG:
+            if (GateStatus[BG_SA_GREEN_GATE] != BG_SA_GATE_DESTROYED && GateStatus[BG_SA_BLUE_GATE] != BG_SA_GATE_DESTROYED)
+                return false;
+            break;
+        default:
+            ASSERT(false);
+            break;
+    }
+
+    return true;
+}
+
+void BattlegroundSA::UpdateObjectInteractionFlags(uint32 objectId)
+{
+    if (GameObject* go = GetBGObject(objectId))
+    {
+        if (CanInteractWithObject(objectId))
+            go->RemoveFlag(GAMEOBJECT_FLAGS, GO_FLAG_NOT_SELECTABLE);
+        else
+            go->SetFlag(GAMEOBJECT_FLAGS, GO_FLAG_NOT_SELECTABLE);
+    }
+}
+
+void BattlegroundSA::UpdateObjectInteractionFlags()
+{
+    for (uint8 i = BG_SA_CENTRAL_FLAG; i <= BG_SA_LEFT_FLAG; ++i)
+        UpdateObjectInteractionFlags(i);
+    UpdateObjectInteractionFlags(BG_SA_TITAN_RELIC);
+}
+
 void BattlegroundSA::EventPlayerClickedOnFlag(Player* source, GameObject* go)
 {
     switch (go->GetEntry())
     {
         case 191307:
         case 191308:
-            if (GateStatus[BG_SA_GREEN_GATE] == BG_SA_GATE_DESTROYED || GateStatus[BG_SA_BLUE_GATE] == BG_SA_GATE_DESTROYED)
+            if (CanInteractWithObject(BG_SA_LEFT_FLAG))
                 CaptureGraveyard(BG_SA_LEFT_CAPTURABLE_GY, source);
             break;
         case 191305:
         case 191306:
-            if (GateStatus[BG_SA_GREEN_GATE] == BG_SA_GATE_DESTROYED || GateStatus[BG_SA_BLUE_GATE] == BG_SA_GATE_DESTROYED)
+            if (CanInteractWithObject(BG_SA_RIGHT_FLAG))
                 CaptureGraveyard(BG_SA_RIGHT_CAPTURABLE_GY, source);
             break;
         case 191310:
         case 191309:
-            if ((GateStatus[BG_SA_GREEN_GATE] == BG_SA_GATE_DESTROYED || GateStatus[BG_SA_BLUE_GATE] == BG_SA_GATE_DESTROYED) && (GateStatus[BG_SA_RED_GATE] == BG_SA_GATE_DESTROYED || GateStatus[BG_SA_PURPLE_GATE] == BG_SA_GATE_DESTROYED))
+            if (CanInteractWithObject(BG_SA_CENTRAL_FLAG))
                 CaptureGraveyard(BG_SA_CENTRAL_CAPTURABLE_GY, source);
             break;
         default:
@@ -857,10 +888,7 @@ void BattlegroundSA::TitanRelicActivated(Player* clicker)
     if (!clicker)
         return;
 
-    if (GateStatus[BG_SA_ANCIENT_GATE] == BG_SA_GATE_DESTROYED &&
-        GateStatus[BG_SA_YELLOW_GATE] == BG_SA_GATE_DESTROYED &&
-        (GateStatus[BG_SA_PURPLE_GATE] == BG_SA_GATE_DESTROYED || GateStatus[BG_SA_RED_GATE] == BG_SA_GATE_DESTROYED) &&
-        (GateStatus[BG_SA_GREEN_GATE] == BG_SA_GATE_DESTROYED || GateStatus[BG_SA_BLUE_GATE] == BG_SA_GATE_DESTROYED))
+    if (CanInteractWithObject(BG_SA_TITAN_RELIC))
     {
         if (clicker->GetTeamId() == Attackers)
         {
diff --git a/src/server/game/Battlegrounds/Zones/BattlegroundSA.h b/src/server/game/Battlegrounds/Zones/BattlegroundSA.h
index 183392ac40b..5c77b61e71f 100644
--- a/src/server/game/Battlegrounds/Zones/BattlegroundSA.h
+++ b/src/server/game/Battlegrounds/Zones/BattlegroundSA.h
@@ -619,6 +619,7 @@ class BattlegroundSA : public Battleground
          * -Teleport all players to good location
          */
         void TeleportPlayers();
+        void TeleportToEntrancePosition(Player* player);
         /**
          * \brief Called on start and between the two round
          * -Update faction of all vehicle
@@ -626,6 +627,11 @@ class BattlegroundSA : public Battleground
         void OverrideGunFaction();
         /// Set selectable or not demolisher, called on battle start, when boats arrive to dock
         void DemolisherStartState(bool start);
+        /// Checks if a player can interact with the given object
+        bool CanInteractWithObject(uint32 objectId);
+        /// Updates interaction flags of specific objects
+        void UpdateObjectInteractionFlags(uint32 objectId);
+        void UpdateObjectInteractionFlags();
         /**
          * \brief Called when a gate is destroy
          * -Give honor to player witch destroy it