feat(Core/Globals): Dynamically calculate max race and racemasks from DBC data. (#24665)

src/server/game/Entities/Player/RaceMgr.cpp

@@ -0,0 +1,77 @@
+/*
+ * This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "RaceMgr.h"
+#include "AccountMgr.h"
+#include "DatabaseEnv.h"
+#include "ObjectMgr.h"
+#include "Player.h"
+#include "Util.h"
+#include "WorldPacket.h"
+#include "WorldSession.h"
+
+uint8  RaceMgr::_maxRaces = 0;
+
+uint32 RaceMgr::_playableRaceMask = 0;
+uint32 RaceMgr::_allianceRaceMask = 0;
+uint32 RaceMgr::_hordeRaceMask = 0;
+
+RaceMgr::RaceMgr()
+{
+}
+
+RaceMgr::~RaceMgr()
+{
+}
+
+RaceMgr* RaceMgr::instance()
+{
+    static RaceMgr instance;
+    return &instance;
+}
+
+void RaceMgr::LoadRaces()
+{
+    SetMaxRaces(0 + 1);
+    _playableRaceMask = 0;
+    _hordeRaceMask    = 0;
+    _allianceRaceMask = 0;
+
+    for (auto const& raceEntry : sChrRacesStore)
+    {
+        if (!raceEntry)
+            continue;
+
+        uint8 alliance = raceEntry->alliance;
+        uint8 raceId = raceEntry->RaceID;
+
+        if (raceEntry->Flags & CHRRACES_FLAGS_NOT_PLAYABLE)
+            continue;
+
+        if (GetMaxRaces() <= raceId)
+            SetMaxRaces(raceId + 1);
+
+        uint32 raceBit = (1 << (raceId - 1));
+
+        _playableRaceMask |= raceBit;
+
+        if (alliance == ALLIANCE_HORDE)
+            _hordeRaceMask |= raceBit;
+        else if (alliance == ALLIANCE_ALLIANCE)
+            _allianceRaceMask |= raceBit;
+    }
+}

src/server/game/Entities/Player/RaceMgr.h

@@ -0,0 +1,54 @@
+/*
+ * This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __ACORE_RACEMGR_H
+#define __ACORE_RACEMGR_H
+
+#include "DatabaseEnv.h"
+#include "ObjectGuid.h"
+#include "SharedDefines.h"
+#include <map>
+
+class Player;
+class WorldPacket;
+
+class RaceMgr
+{
+private:
+    RaceMgr();
+    ~RaceMgr();
+
+public:
+    static RaceMgr* instance();
+
+    static void LoadRaces();
+    static uint8 GetMaxRaces() { return _maxRaces; }
+    static void SetMaxRaces(uint8 max) { _maxRaces = max; }
+    static uint32 GetPlayableRaceMask() { return _playableRaceMask; }
+    static uint32 GetAllianceRaceMask() { return _allianceRaceMask; }
+    static uint32 GetHordeRaceMask() { return _hordeRaceMask; }
+private:
+    static uint8 _maxRaces; // Max playable race + 1
+
+    static uint32 _playableRaceMask;
+    static uint32 _allianceRaceMask;
+    static uint32 _hordeRaceMask;
+};
+
+#define sRaceMgr RaceMgr::instance()
+
+#endif