From 8733f6fafaa1fbe2a3f5e2339aff7c8a33de622b Mon Sep 17 00:00:00 2001
From: Shauren <shauren.trinity@gmail.com>
Date: Fri, 17 Jun 2022 15:20:55 +0200
Subject: [PATCH] Core/Utils: Added helper function to make creating unique_ptr
 with custom deleters more convenient

# Conflicts:
#	src/server/game/World/World.cpp
---
 src/common/Utilities/Memory.h                 | 49 +++++++++++++++++++
 src/server/game/World/World.cpp               |  3 +-
 .../{Memory.h => DetourMemoryFunctions.h}     |  6 +--
 3 files changed, 53 insertions(+), 5 deletions(-)
 create mode 100644 src/common/Utilities/Memory.h
 rename src/server/shared/{Memory.h => DetourMemoryFunctions.h} (64%)

diff --git a/src/common/Utilities/Memory.h b/src/common/Utilities/Memory.h
new file mode 100644
index 0000000000..8d67e80210
--- /dev/null
+++ b/src/common/Utilities/Memory.h
@@ -0,0 +1,49 @@
+/*
+ * This file is part of the TrinityCore 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 TRINITY_MEMORY_H
+#define TRINITY_MEMORY_H
+
+#include <memory>
+
+namespace Trinity
+{
+namespace Impl
+{
+template<typename T, typename Del>
+struct unique_ptr_deleter
+{
+    using pointer = T;
+    unique_ptr_deleter(Del deleter) : _deleter(std::move(deleter)) { }
+
+    void operator()(pointer ptr) const { _deleter(ptr); }
+
+private:
+    Del _deleter;
+};
+}
+
+template<typename T, typename Del>
+auto make_unique_ptr_with_deleter(T ptr, Del&& deleter)
+{
+    using Deleter_t = Impl::unique_ptr_deleter<T, Del>;
+
+    return std::unique_ptr<T, Deleter_t>(ptr, Deleter_t(std::forward<Del>(deleter)));
+}
+}
+
+#endif // TRINITY_MEMORY_H
diff --git a/src/server/game/World/World.cpp b/src/server/game/World/World.cpp
index ba7918261b..c3041588d7 100644
--- a/src/server/game/World/World.cpp
+++ b/src/server/game/World/World.cpp
@@ -41,7 +41,7 @@
 #include "DatabaseEnv.h"
 #include "DBCStores.h"
 #include "DB2Stores.h"
-#include "DBCStores.h"
+#include "DetourMemoryFunctions.h"
 #include "DisableMgr.h"
 #include "GameEventMgr.h"
 #include "GameObjectModel.h"
@@ -60,7 +60,6 @@
 #include "LootMgr.h"
 #include "M2Stores.h"
 #include "MapManager.h"
-#include "Memory.h"
 #include "Metric.h"
 #include "MMapFactory.h"
 #include "ObjectAccessor.h"
diff --git a/src/server/shared/Memory.h b/src/server/shared/DetourMemoryFunctions.h
similarity index 64%
rename from src/server/shared/Memory.h
rename to src/server/shared/DetourMemoryFunctions.h
index faa48a7225..0c33a2fa5f 100644
--- a/src/server/shared/Memory.h
+++ b/src/server/shared/DetourMemoryFunctions.h
@@ -1,7 +1,7 @@
 
 
-#ifndef _MEMORY_H
-#define _MEMORY_H
+#ifndef TRINITY_DETOUR_MEMORY_FUNCTIONS_H
+#define TRINITY_DETOUR_MEMORY_FUNCTIONS_H
 
 #include "DetourAlloc.h"
 
@@ -16,4 +16,4 @@ inline void dtCustomFree(void* ptr)
     delete [] (unsigned char*)ptr;
 }
 
-#endif
+#endif // TRINITY_DETOUR_MEMORY_FUNCTIONS_H