From 55843a00c63709d508ba870152720873839cdcb8 Mon Sep 17 00:00:00 2001
From: Shauren <shauren.trinity@gmail.com>
Date: Thu, 29 Dec 2022 22:58:20 +0100
Subject: [PATCH] Core/Maps: Split Ebon Hold by faction and removed forced
 sanctuary hack

original commit: 515c0a43ef8fcf41ffb2785c5940f0234e757ec3
---
 src/server/game/DataStores/DBCStructure.h | 14 +++++++++---
 src/server/game/Maps/MapManager.cpp       | 27 +++++++++++++++++++++++
 src/server/game/Maps/MapManager.h         |  2 ++
 src/server/game/Scripting/ScriptMgr.cpp   |  3 +++
 4 files changed, 43 insertions(+), 3 deletions(-)

diff --git a/src/server/game/DataStores/DBCStructure.h b/src/server/game/DataStores/DBCStructure.h
index 9bc9c94ff0..0bea4627c4 100644
--- a/src/server/game/DataStores/DBCStructure.h
+++ b/src/server/game/DataStores/DBCStructure.h
@@ -225,8 +225,6 @@ struct AreaTableEntry
     // helpers
     bool IsSanctuary() const
     {
-        if (ContinentID == 609)
-            return true;
         return (Flags & AREA_FLAG_SANCTUARY) != 0;
     }
 
@@ -1256,11 +1254,21 @@ struct MapEntry
 
     bool IsContinent() const
     {
-        return ID == 0 || ID == 1 || ID == 530 || ID == 571;
+        switch (ID)
+        {
+            case 0:
+            case 1:
+            case 530:
+            case 571:
+                return true;
+            default:
+                return false;
+        }
     }
 
     bool IsDynamicDifficultyMap() const { return GetFlags().HasFlag(MapFlags::DynamicDifficulty); }
     bool IsFlexLocking() const { return GetFlags().HasFlag(MapFlags::FlexibleRaidLocking); }
+    bool IsSplitByFaction() const { return ID == 609; }
 
     EnumFlag<MapFlags> GetFlags() const { return static_cast<MapFlags>(Flags); }
 };
diff --git a/src/server/game/Maps/MapManager.cpp b/src/server/game/Maps/MapManager.cpp
index 7b0164d455..112c4cfdba 100644
--- a/src/server/game/Maps/MapManager.cpp
+++ b/src/server/game/Maps/MapManager.cpp
@@ -28,7 +28,9 @@
 #include "ObjectMgr.h"
 #include "Opcodes.h"
 #include "Player.h"
+#include "ScriptMgr.h"
 #include "World.h"
+#include "WorldStateMgr.h"
 #include "WorldPacket.h"
 #include "WorldSession.h"
 #include <boost/dynamic_bitset.hpp>
@@ -223,6 +225,9 @@ Map* MapManager::CreateMap(uint32 mapId, Player* player, uint32 loginInstanceId
     else
     {
         newInstanceId = 0;
+        if (entry->IsSplitByFaction())
+            newInstanceId = player->GetTeamId();
+
         map = FindMap_i(mapId, newInstanceId);
         if (!map)
             map = CreateWorldMap(mapId, newInstanceId);
@@ -481,3 +486,25 @@ void MapManager::FreeInstanceId(uint32 instanceId)
     _nextInstanceId = std::min(instanceId, _nextInstanceId);
     _freeInstanceIds->set(instanceId, true);
 }
+
+// hack to allow conditions to access what faction owns the map (these worldstates should not be set on these maps)
+class SplitByFactionMapScript : public WorldMapScript
+{
+public:
+    SplitByFactionMapScript(char const* name, uint32 mapId) : WorldMapScript(name, mapId)
+    {
+    }
+
+    void OnCreate(Map* map) override
+    {
+        sWorldStateMgr->SetValue(WS_TEAM_IN_INSTANCE_ALLIANCE, map->GetInstanceId() == TEAM_ALLIANCE, false, map);
+        sWorldStateMgr->SetValue(WS_TEAM_IN_INSTANCE_HORDE, map->GetInstanceId() == TEAM_HORDE, false, map);
+    }
+};
+
+void MapManager::AddSC_BuiltInScripts()
+{
+    for (MapEntry const* mapEntry : sMapStore)
+        if (mapEntry->IsWorldMap() && mapEntry->IsSplitByFaction())
+            new SplitByFactionMapScript(Trinity::StringFormat("world_map_set_faction_worldstates_%u", mapEntry->ID).c_str(), mapEntry->ID);
+}
diff --git a/src/server/game/Maps/MapManager.h b/src/server/game/Maps/MapManager.h
index 22158cb2fb..b23f8148b2 100644
--- a/src/server/game/Maps/MapManager.h
+++ b/src/server/game/Maps/MapManager.h
@@ -125,6 +125,8 @@ class TC_GAME_API MapManager
         void DecreaseScheduledScriptCount(std::size_t count) { _scheduledScripts -= count; }
         bool IsScriptScheduled() const { return _scheduledScripts > 0; }
 
+        void AddSC_BuiltInScripts();
+
     private:
         using MapKey = std::pair<uint32, uint32>;
         typedef std::map<MapKey, Map*> MapMapType;
diff --git a/src/server/game/Scripting/ScriptMgr.cpp b/src/server/game/Scripting/ScriptMgr.cpp
index 94baaea4fb..d5e1396dc3 100644
--- a/src/server/game/Scripting/ScriptMgr.cpp
+++ b/src/server/game/Scripting/ScriptMgr.cpp
@@ -1052,6 +1052,9 @@ void ScriptMgr::Initialize()
     // LFGScripts
     lfg::AddSC_LFGScripts();
 
+    // MapScripts
+    sMapMgr->AddSC_BuiltInScripts();
+
     // Load all static linked scripts through the script loader function.
     ASSERT(_script_loader_callback,
            "Script loader callback wasn't registered!");