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diff --git a/src/common/Collision/Maps/MapDefines.h b/src/common/Collision/Maps/MapDefines.h
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+++ b/src/common/Collision/Maps/MapDefines.h
@@ -0,0 +1,123 @@
+/*
+ * 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 MapDefines_h__
+#define MapDefines_h__
+
+#include "Define.h"
+#include "EnumFlag.h"
+#include <array>
+
+/// Represents a map magic value of 4 bytes (used in versions)
+using u_map_magic = std::array<char, 4>;
+
+TC_COMMON_API extern u_map_magic const MapMagic;
+TC_COMMON_API extern u_map_magic const MapVersionMagic;
+TC_COMMON_API extern u_map_magic const MapAreaMagic;
+TC_COMMON_API extern u_map_magic const MapHeightMagic;
+TC_COMMON_API extern u_map_magic const MapLiquidMagic;
+
+// ******************************************
+// Map file format defines
+// ******************************************
+struct map_fileheader
+{
+    u_map_magic mapMagic;
+    u_map_magic versionMagic;
+    uint32 buildMagic;
+    uint32 areaMapOffset;
+    uint32 areaMapSize;
+    uint32 heightMapOffset;
+    uint32 heightMapSize;
+    uint32 liquidMapOffset;
+    uint32 liquidMapSize;
+    uint32 holesOffset;
+    uint32 holesSize;
+};
+
+enum class map_areaHeaderFlags : uint16
+{
+    None    = 0x0000,
+    NoArea  = 0x0001
+};
+
+DEFINE_ENUM_FLAG(map_areaHeaderFlags);
+
+struct map_areaHeader
+{
+    u_map_magic areaMagic;
+    EnumFlag<map_areaHeaderFlags> flags = map_areaHeaderFlags::None;
+    uint16 gridArea;
+};
+
+enum class map_heightHeaderFlags : uint32
+{
+    None            = 0x0000,
+    NoHeight        = 0x0001,
+    HeightAsInt16   = 0x0002,
+    HeightAsInt8    = 0x0004,
+    HasFlightBounds = 0x0008
+};
+
+DEFINE_ENUM_FLAG(map_heightHeaderFlags);
+
+struct map_heightHeader
+{
+    u_map_magic heightMagic;
+    EnumFlag<map_heightHeaderFlags> flags = map_heightHeaderFlags::None;
+    float  gridHeight;
+    float  gridMaxHeight;
+};
+
+enum class map_liquidHeaderFlags : uint8
+{
+    None        = 0x0000,
+    NoType      = 0x0001,
+    NoHeight    = 0x0002
+};
+
+DEFINE_ENUM_FLAG(map_liquidHeaderFlags);
+
+enum class map_liquidHeaderTypeFlags : uint8
+{
+    NoWater     = 0x00,
+    Water       = 0x01,
+    Ocean       = 0x02,
+    Magma       = 0x04,
+    Slime       = 0x08,
+
+    DarkWater   = 0x10,
+
+    AllLiquids  = Water | Ocean | Magma | Slime
+};
+
+DEFINE_ENUM_FLAG(map_liquidHeaderTypeFlags);
+
+struct map_liquidHeader
+{
+    u_map_magic liquidMagic;
+    EnumFlag<map_liquidHeaderFlags> flags = map_liquidHeaderFlags::None;
+    EnumFlag<map_liquidHeaderTypeFlags> liquidFlags = map_liquidHeaderTypeFlags::NoWater;
+    uint16 liquidType;
+    uint8  offsetX;
+    uint8  offsetY;
+    uint8  width;
+    uint8  height;
+    float  liquidLevel;
+};
+
+#endif // MapDefines_h__