feat(premium): zero cooldown hearthstone for premium players

modules/mod-eluna/src/LuaEngine/Hooks.h

@@ -233,6 +233,7 @@ namespace Hooks
         PLAYER_EVENT_ON_AURA_APPLY                  =     64,       // (event, player, aura)
         PLAYER_EVENT_ON_HEAL                        =     65,       // (event, player, target, gain) - Can return new heal amount
         PLAYER_EVENT_ON_DAMAGE                      =     66,       // (event, player, target, damage) - Can return new damage amount
+        PLAYER_EVENT_ON_BEFORE_TELEPORT             =     67,       // (event, player, mapid, x, y, z, orientation, options, target)
 
         PLAYER_EVENT_COUNT
     };

modules/mod-eluna/src/LuaEngine/LuaEngine.h

@@ -497,6 +497,7 @@ public:
     void OnPlayerAuraApply(Player* player, Aura* aura);
     void OnPlayerHeal(Player* player, Unit* target, uint32& gain);
     void OnPlayerDamage(Player* player, Unit* target, uint32& gain);
+    void OnBeforeTeleport(Player* player, uint32 mapid, float x, float y, float z, float orientation, uint32 options, Unit* target);
 
     /* Vehicle */
     void OnInstall(Vehicle* vehicle);

modules/mod-eluna/src/LuaEngine/hooks/PlayerHooks.cpp

@@ -825,4 +825,20 @@ void Eluna::OnPlayerDamage(Player* player, Unit* target, uint32& damage)
     }
 
     CleanUpStack(3);
-}
+}
+
+void Eluna::OnPlayerBeforeTeleport(Player* player, uint32 mapid, float x, float y, float z, float orientation, uint32 options, Unit* target)
+{
+    START_HOOK(PLAYER_EVENT_ON_BEFORE_TELEPORT);
+
+    Push(player);
+    Push(mapid);
+    Push(x);
+    Push(y);
+    Push(z);
+    Push(orientation);
+    Push(options);
+    Push(target);
+
+    return CallAllFunctionsBool(PlayerEventBindings, key);
+}