Tools:

* mapextractor - fixed compressing liquid data
* vmapextractor - fixed extracting liquids inside WMOs
* vmapextractor - implemented new WMO flags
* vmapextractor - store model type for gameobject models
* mmap_generator - fixed processing liquids broken in e5d23103f37c40d2e946fa0e2db66d2f527ad9af

(cherry picked from commit 2c64bb97e6fddcbd15ef39fde3d0828bbf600ec6)

22 files changed, 443 insertions, 491 deletions

diff --git a/src/common/Collision/Maps/TileAssembler.cpp b/src/common/Collision/Maps/TileAssembler.cpp
index 6c102af97bc..37dc0ee55a4 100644
--- a/src/common/Collision/Maps/TileAssembler.cpp
+++ b/src/common/Collision/Maps/TileAssembler.cpp
@@ -220,7 +220,7 @@ namespace VMAP
         ModelSpawn spawn;
         while (!feof(dirf))
         {
-            // read mapID, tileX, tileY, Flags, adtID, ID, Pos, Rot, Scale, Bound_lo, Bound_hi, name
+            // read mapID, tileX, tileY, Flags, NameSet, UniqueId, Pos, Rot, Scale, Bound_lo, Bound_hi, name
             check = fread(&mapID, sizeof(uint32), 1, dirf);
             if (check == 0) // EoF...
                 break;
@@ -296,14 +296,16 @@ namespace VMAP
         return true;
     }
 
+#pragma pack(push, 1)
     struct WMOLiquidHeader
     {
         int xverts, yverts, xtiles, ytiles;
         float pos_x;
         float pos_y;
         float pos_z;
-        short type;
+        short material;
     };
+#pragma pack(pop)
     //=================================================================
     bool TileAssembler::convertRawFile(const std::string& pModelFilename)
     {
@@ -347,6 +349,10 @@ namespace VMAP
         if (!model_list)
             return;
 
+        char ident[8];
+        if (fread(ident, 1, 8, model_list) != 8 || memcmp(ident, VMAP::RAW_VMAP_MAGIC, 8) != 0)
+            return;
+
         FILE* model_list_copy = fopen((iDestDir + "/" + GAMEOBJECT_MODELS).c_str(), "wb");
         if (!model_list_copy)
         {
@@ -354,7 +360,10 @@ namespace VMAP
             return;
         }
 
+        fwrite(VMAP::VMAP_MAGIC, 1, 8, model_list_copy);
+
         uint32 name_length, displayId;
+        uint8 isWmo;
         char buff[500];
         while (true)
         {
@@ -362,7 +371,8 @@ namespace VMAP
                 if (feof(model_list))   // EOF flag is only set after failed reading attempt
                     break;
 
-            if (fread(&name_length, sizeof(uint32), 1, model_list) != 1
+            if (fread(&isWmo, sizeof(uint8), 1, model_list) != 1
+                || fread(&name_length, sizeof(uint32), 1, model_list) != 1
                 || name_length >= sizeof(buff)
                 || fread(&buff, sizeof(char), name_length, model_list) != name_length)
             {
@@ -407,6 +417,7 @@ namespace VMAP
             }
 
             fwrite(&displayId, sizeof(uint32), 1, model_list_copy);
+            fwrite(&isWmo, sizeof(uint8), 1, model_list_copy);
             fwrite(&name_length, sizeof(uint32), 1, model_list_copy);
             fwrite(&buff, sizeof(char), name_length, model_list_copy);
             fwrite(&bounds.low(), sizeof(Vector3), 1, model_list_copy);
@@ -491,25 +502,34 @@ namespace VMAP
             delete[] vectorarray;
         }
         // ----- liquid
-        liquid = 0;
-        if (liquidflags& 1)
+        liquid = nullptr;
+        if (liquidflags & 3)
         {
-            WMOLiquidHeader hlq;
             READ_OR_RETURN(&blockId, 4);
             CMP_OR_RETURN(blockId, "LIQU");
             READ_OR_RETURN(&blocksize, sizeof(int));
-            READ_OR_RETURN(&hlq, sizeof(WMOLiquidHeader));
-            liquid = new WmoLiquid(hlq.xtiles, hlq.ytiles, Vector3(hlq.pos_x, hlq.pos_y, hlq.pos_z), hlq.type);
-            uint32 size = hlq.xverts*hlq.yverts;
-            READ_OR_RETURN(liquid->GetHeightStorage(), size*sizeof(float));
-            size = hlq.xtiles*hlq.ytiles;
-            READ_OR_RETURN(liquid->GetFlagsStorage(), size);
+            uint32 liquidType;
+            READ_OR_RETURN(&liquidType, sizeof(uint32));
+            if (liquidflags & 1)
+            {
+                WMOLiquidHeader hlq;
+                READ_OR_RETURN(&hlq, sizeof(WMOLiquidHeader));
+                liquid = new WmoLiquid(hlq.xtiles, hlq.ytiles, Vector3(hlq.pos_x, hlq.pos_y, hlq.pos_z), liquidType);
+                uint32 size = hlq.xverts * hlq.yverts;
+                READ_OR_RETURN(liquid->GetHeightStorage(), size * sizeof(float));
+                size = hlq.xtiles * hlq.ytiles;
+                READ_OR_RETURN(liquid->GetFlagsStorage(), size);
+            }
+            else
+            {
+                liquid = new WmoLiquid(0, 0, Vector3::zero(), liquidType);
+                liquid->GetHeightStorage()[0] = bounds.high().z;
+            }
         }
 
         return true;
     }
 
-
     GroupModel_Raw::~GroupModel_Raw()
     {
         delete liquid;
diff --git a/src/common/Collision/Models/GameObjectModel.cpp b/src/common/Collision/Models/GameObjectModel.cpp
index 3165ee0b8f0..ffe0636176b 100644
--- a/src/common/Collision/Models/GameObjectModel.cpp
+++ b/src/common/Collision/Models/GameObjectModel.cpp
@@ -30,11 +30,12 @@ using G3D::AABox;
 
 struct GameobjectModelData
 {
-    GameobjectModelData(std::string const& name_, AABox const& box) :
-        bound(box), name(name_) { }
+    GameobjectModelData(char const* name_, uint32 nameLength, Vector3 const& lowBound, Vector3 const& highBound, bool isWmo_) :
+        bound(lowBound, highBound), name(name_, nameLength), isWmo(isWmo_) { }
 
     AABox bound;
     std::string name;
+    bool isWmo;
 };
 
 typedef std::unordered_map<uint32, GameobjectModelData> ModelList;
@@ -53,7 +54,16 @@ void LoadGameObjectModelList(std::string const& dataPath)
         return;
     }
 
+    char magic[8];
+    if (fread(magic, 1, 8, model_list_file) != 8
+        || memcmp(magic, VMAP::VMAP_MAGIC, 8) != 0)
+    {
+        TC_LOG_ERROR("misc", "File '%s' has wrong header, expected %s.", VMAP::GAMEOBJECT_MODELS, VMAP::VMAP_MAGIC);
+        return;
+    }
+
     uint32 name_length, displayId;
+    uint8 isWmo;
     char buff[500];
     while (true)
     {
@@ -62,7 +72,8 @@ void LoadGameObjectModelList(std::string const& dataPath)
             if (feof(model_list_file))  // EOF flag is only set after failed reading attempt
                 break;
 
-        if (fread(&name_length, sizeof(uint32), 1, model_list_file) != 1
+        if (fread(&isWmo, sizeof(uint8), 1, model_list_file) != 1
+            || fread(&name_length, sizeof(uint32), 1, model_list_file) != 1
             || name_length >= sizeof(buff)
             || fread(&buff, sizeof(char), name_length, model_list_file) != name_length
             || fread(&v1, sizeof(Vector3), 1, model_list_file) != 1
@@ -78,10 +89,7 @@ void LoadGameObjectModelList(std::string const& dataPath)
             continue;
         }
 
-        model_list.insert
-        (
-            ModelList::value_type(displayId, GameobjectModelData(std::string(buff, name_length), AABox(v1, v2)))
-        );
+        model_list.emplace(std::piecewise_construct, std::forward_as_tuple(displayId), std::forward_as_tuple(&buff[0], name_length, v1, v2, isWmo != 0));
     }
 
     fclose(model_list_file);
diff --git a/src/common/Collision/Models/GameObjectModel.h b/src/common/Collision/Models/GameObjectModel.h
index 325c5bcf64d..b83d855866a 100644
--- a/src/common/Collision/Models/GameObjectModel.h
+++ b/src/common/Collision/Models/GameObjectModel.h
@@ -39,13 +39,13 @@ struct GameObjectDisplayInfoEntry;
 class TC_COMMON_API GameObjectModelOwnerBase
 {
 public:
-    virtual bool IsSpawned() const { return false; }
-    virtual uint32 GetDisplayId() const { return 0; }
-    virtual uint32 GetPhaseMask() const { return 0; }
-    virtual G3D::Vector3 GetPosition() const { return G3D::Vector3::zero(); }
-    virtual float GetOrientation() const { return 0.0f; }
-    virtual float GetScale() const { return 1.0f; }
-    virtual void DebugVisualizeCorner(G3D::Vector3 const& /*corner*/) const { }
+    virtual bool IsSpawned() const = 0;
+    virtual uint32 GetDisplayId() const = 0;
+    virtual uint32 GetPhaseMask() const = 0;
+    virtual G3D::Vector3 GetPosition() const = 0;
+    virtual float GetOrientation() const = 0;
+    virtual float GetScale() const = 0;
+    virtual void DebugVisualizeCorner(G3D::Vector3 const& /*corner*/) const = 0;
     virtual ~GameObjectModelOwnerBase() { }
 };
 
diff --git a/src/common/Collision/Models/WorldModel.cpp b/src/common/Collision/Models/WorldModel.cpp
index edae970f0c5..897f29d4f61 100644
--- a/src/common/Collision/Models/WorldModel.cpp
+++ b/src/common/Collision/Models/WorldModel.cpp
@@ -105,8 +105,16 @@ namespace VMAP
     WmoLiquid::WmoLiquid(uint32 width, uint32 height, Vector3 const& corner, uint32 type) :
         iTilesX(width), iTilesY(height), iCorner(corner), iType(type)
     {
-        iHeight = new float[(width + 1) * (height + 1)];
-        iFlags = new uint8[width*height];
+        if (width && height)
+        {
+            iHeight = new float[(width + 1) * (height + 1)];
+            iFlags = new uint8[width * height];
+        }
+        else
+        {
+            iHeight = new float[1];
+            iFlags = nullptr;
+        }
     }
 
     WmoLiquid::WmoLiquid(WmoLiquid const& other): iHeight(nullptr), iFlags(nullptr)
@@ -149,6 +157,13 @@ namespace VMAP
 
     bool WmoLiquid::GetLiquidHeight(Vector3 const& pos, float &liqHeight) const
     {
+        // simple case
+        if (!iFlags)
+        {
+            liqHeight = iHeight[0];
+            return true;
+        }
+
         float tx_f = (pos.x - iCorner.x)/LIQUID_TILE_SIZE;
         uint32 tx = uint32(tx_f);
         if (tx_f < 0.0f || tx >= iTilesX)
@@ -200,8 +215,8 @@ namespace VMAP
     {
         return 2 * sizeof(uint32) +
                 sizeof(Vector3) +
-                (iTilesX + 1)*(iTilesY + 1) * sizeof(float) +
-                iTilesX * iTilesY;
+                sizeof(uint32) +
+                (iFlags ? ((iTilesX + 1) * (iTilesY + 1) * sizeof(float) + iTilesX * iTilesY) : sizeof(float));
     }
 
     bool WmoLiquid::writeToFile(FILE* wf)
@@ -212,12 +227,17 @@ namespace VMAP
             fwrite(&iCorner, sizeof(Vector3), 1, wf) == 1 &&
             fwrite(&iType, sizeof(uint32), 1, wf) == 1)
         {
-            uint32 size = (iTilesX + 1) * (iTilesY + 1);
-            if (fwrite(iHeight, sizeof(float), size, wf) == size)
+            if (iTilesX && iTilesY)
             {
-                size = iTilesX*iTilesY;
-                result = fwrite(iFlags, sizeof(uint8), size, wf) == size;
+                uint32 size = (iTilesX + 1) * (iTilesY + 1);
+                if (fwrite(iHeight, sizeof(float), size, wf) == size)
+                {
+                    size = iTilesX * iTilesY;
+                    result = fwrite(iFlags, sizeof(uint8), size, wf) == size;
+                }
             }
+            else
+                result = fwrite(iHeight, sizeof(float), 1, wf) == 1;
         }
 
         return result;
@@ -233,13 +253,21 @@ namespace VMAP
             fread(&liquid->iCorner, sizeof(Vector3), 1, rf) == 1 &&
             fread(&liquid->iType, sizeof(uint32), 1, rf) == 1)
         {
-            uint32 size = (liquid->iTilesX + 1) * (liquid->iTilesY + 1);
-            liquid->iHeight = new float[size];
-            if (fread(liquid->iHeight, sizeof(float), size, rf) == size)
+            if (liquid->iTilesX && liquid->iTilesY)
+            {
+                uint32 size = (liquid->iTilesX + 1) * (liquid->iTilesY + 1);
+                liquid->iHeight = new float[size];
+                if (fread(liquid->iHeight, sizeof(float), size, rf) == size)
+                {
+                    size = liquid->iTilesX * liquid->iTilesY;
+                    liquid->iFlags = new uint8[size];
+                    result = fread(liquid->iFlags, sizeof(uint8), size, rf) == size;
+                }
+            }
+            else
             {
-                size = liquid->iTilesX * liquid->iTilesY;
-                liquid->iFlags = new uint8[size];
-                result = fread(liquid->iFlags, sizeof(uint8), size, rf) == size;
+                liquid->iHeight = new float[1];
+                result = fread(liquid->iHeight, sizeof(float), 1, rf) == 1;
             }
         }
 
diff --git a/src/common/Collision/VMapDefinitions.h b/src/common/Collision/VMapDefinitions.h
index b1a5d6410e3..c7efe3c3e79 100644
--- a/src/common/Collision/VMapDefinitions.h
+++ b/src/common/Collision/VMapDefinitions.h
@@ -25,8 +25,8 @@
 
 namespace VMAP
 {
-    const char VMAP_MAGIC[] = "VMAP_4.4";
-    const char RAW_VMAP_MAGIC[] = "VMAP044";                // used in extracted vmap files with raw data
+    const char VMAP_MAGIC[] = "VMAP_4.7";
+    const char RAW_VMAP_MAGIC[] = "VMAP047";                // used in extracted vmap files with raw data
     const char GAMEOBJECT_MODELS[] = "GameObjectModels.dtree";
 
     // defined in TileAssembler.cpp currently...
diff --git a/src/server/game/Maps/Map.cpp b/src/server/game/Maps/Map.cpp
index 34f1b673d2d..f96ed6105e5 100644
--- a/src/server/game/Maps/Map.cpp
+++ b/src/server/game/Maps/Map.cpp
@@ -48,7 +48,7 @@
 #include <vector>
 
 u_map_magic MapMagic        = { {'M','A','P','S'} };
-u_map_magic MapVersionMagic = { {'v','1','.','8'} };
+u_map_magic MapVersionMagic = { {'v','1','.','9'} };
 u_map_magic MapAreaMagic    = { {'A','R','E','A'} };
 u_map_magic MapHeightMagic  = { {'M','H','G','T'} };
 u_map_magic MapLiquidMagic  = { {'M','L','I','Q'} };
@@ -1754,7 +1754,8 @@ GridMap::GridMap()
     _maxHeight = nullptr;
     _minHeight = nullptr;
     // Liquid data
-    _liquidType    = 0;
+    _liquidGlobalEntry = 0;
+    _liquidGlobalFlags = 0;
     _liquidOffX   = 0;
     _liquidOffY   = 0;
     _liquidWidth  = 0;
@@ -1933,7 +1934,8 @@ bool GridMap::loadLiquidData(FILE* in, uint32 offset, uint32 /*size*/)
     if (fread(&header, sizeof(header), 1, in) != 1 || header.fourcc != MapLiquidMagic.asUInt)
         return false;
 
-    _liquidType   = header.liquidType;
+    _liquidGlobalEntry = header.liquidType;
+    _liquidGlobalFlags = header.liquidFlags;
     _liquidOffX  = header.offsetX;
     _liquidOffY  = header.offsetY;
     _liquidWidth = header.width;
@@ -2311,7 +2313,7 @@ float GridMap::getLiquidLevel(float x, float y) const
 inline ZLiquidStatus GridMap::GetLiquidStatus(float x, float y, float z, uint8 ReqLiquidType, LiquidData* data, float collisionHeight)
 {
     // Check water type (if no water return)
-    if (!_liquidType && !_liquidFlags)
+    if (!_liquidGlobalFlags && !_liquidFlags)
         return LIQUID_MAP_NO_WATER;
 
     // Get cell
@@ -2323,37 +2325,33 @@ inline ZLiquidStatus GridMap::GetLiquidStatus(float x, float y, float z, uint8 R
 
     // Check water type in cell
     int idx=(x_int>>3)*16 + (y_int>>3);
-    uint8 type = _liquidFlags ? _liquidFlags[idx] : _liquidType;
-    uint32 entry = 0;
-    if (_liquidEntry)
+    uint8 type = _liquidFlags ? _liquidFlags[idx] : _liquidGlobalFlags;
+    uint32 entry = _liquidEntry ? _liquidEntry[idx] : _liquidGlobalEntry;
+    if (LiquidTypeEntry const* liquidEntry = sLiquidTypeStore.LookupEntry(entry))
     {
-        if (LiquidTypeEntry const* liquidEntry = sLiquidTypeStore.LookupEntry(_liquidEntry[idx]))
+        type &= MAP_LIQUID_TYPE_DARK_WATER;
+        uint32 liqTypeIdx = liquidEntry->Type;
+        if (entry < 21)
         {
-            entry = liquidEntry->Id;
-            type &= MAP_LIQUID_TYPE_DARK_WATER;
-            uint32 liqTypeIdx = liquidEntry->Type;
-            if (entry < 21)
+            if (AreaTableEntry const* area = sAreaTableStore.LookupEntry(getArea(x, y)))
             {
-                if (AreaTableEntry const* area = sAreaTableStore.LookupEntry(getArea(x, y)))
+                uint32 overrideLiquid = area->LiquidTypeOverride[liquidEntry->Type];
+                if (!overrideLiquid && area->zone)
                 {
-                    uint32 overrideLiquid = area->LiquidTypeOverride[liquidEntry->Type];
-                    if (!overrideLiquid && area->zone)
-                    {
-                        area = sAreaTableStore.LookupEntry(area->zone);
-                        if (area)
-                            overrideLiquid = area->LiquidTypeOverride[liquidEntry->Type];
-                    }
+                    area = sAreaTableStore.LookupEntry(area->zone);
+                    if (area)
+                        overrideLiquid = area->LiquidTypeOverride[liquidEntry->Type];
+                }
 
-                    if (LiquidTypeEntry const* liq = sLiquidTypeStore.LookupEntry(overrideLiquid))
-                    {
-                        entry = overrideLiquid;
-                        liqTypeIdx = liq->Type;
-                    }
+                if (LiquidTypeEntry const* liq = sLiquidTypeStore.LookupEntry(overrideLiquid))
+                {
+                    entry = overrideLiquid;
+                    liqTypeIdx = liq->Type;
                 }
             }
-
-            type |= 1 << liqTypeIdx;
         }
+
+        type |= 1 << liqTypeIdx;
     }
 
     if (type == 0)
diff --git a/src/server/game/Maps/Map.h b/src/server/game/Maps/Map.h
index 66a588bdf00..cf02dfbcbf0 100644
--- a/src/server/game/Maps/Map.h
+++ b/src/server/game/Maps/Map.h
@@ -126,7 +126,8 @@ struct map_heightHeader
 struct map_liquidHeader
 {
     uint32 fourcc;
-    uint16 flags;
+    uint8 flags;
+    uint8 liquidFlags;
     uint16 liquidType;
     uint8  offsetX;
     uint8  offsetY;
@@ -156,7 +157,6 @@ enum ZLiquidStatus : uint32
 #define MAP_ALL_LIQUIDS   (MAP_LIQUID_TYPE_WATER | MAP_LIQUID_TYPE_OCEAN | MAP_LIQUID_TYPE_MAGMA | MAP_LIQUID_TYPE_SLIME)
 
 #define MAP_LIQUID_TYPE_DARK_WATER  0x10
-#define MAP_LIQUID_TYPE_WMO_WATER   0x20
 
 struct LiquidData
 {
@@ -214,7 +214,8 @@ class TC_GAME_API GridMap
     uint8* _liquidFlags;
     float* _liquidMap;
     uint16 _gridArea;
-    uint16 _liquidType;
+    uint16 _liquidGlobalEntry;
+    uint8 _liquidGlobalFlags;
     uint8 _liquidOffX;
     uint8 _liquidOffY;
     uint8 _liquidWidth;
diff --git a/src/tools/map_extractor/System.cpp b/src/tools/map_extractor/System.cpp
index e3ec5741b8d..eccefe624c7 100644
--- a/src/tools/map_extractor/System.cpp
+++ b/src/tools/map_extractor/System.cpp
@@ -261,7 +261,7 @@ void ReadLiquidTypeTableDBC()
 
 // Map file format data
 static char const* MAP_MAGIC         = "MAPS";
-static char const* MAP_VERSION_MAGIC = "v1.8";
+static char const* MAP_VERSION_MAGIC = "v1.9";
 static char const* MAP_AREA_MAGIC    = "AREA";
 static char const* MAP_HEIGHT_MAGIC  = "MHGT";
 static char const* MAP_LIQUID_MAGIC  = "MLIQ";
@@ -310,8 +310,6 @@ struct map_heightHeader
 #define MAP_LIQUID_TYPE_SLIME       0x08
 
 #define MAP_LIQUID_TYPE_DARK_WATER  0x10
-#define MAP_LIQUID_TYPE_WMO_WATER   0x20
-
 
 #define MAP_LIQUID_NO_TYPE    0x0001
 #define MAP_LIQUID_NO_HEIGHT  0x0002
@@ -319,7 +317,8 @@ struct map_heightHeader
 struct map_liquidHeader
 {
     uint32 fourcc;
-    uint16 flags;
+    uint8 flags;
+    uint8 liquidFlags;
     uint16 liquidType;
     uint8  offsetX;
     uint8  offsetY;
@@ -351,6 +350,7 @@ uint16 liquid_entry[ADT_CELLS_PER_GRID][ADT_CELLS_PER_GRID];
 uint8 liquid_flags[ADT_CELLS_PER_GRID][ADT_CELLS_PER_GRID];
 bool  liquid_show[ADT_GRID_SIZE][ADT_GRID_SIZE];
 float liquid_height[ADT_GRID_SIZE+1][ADT_GRID_SIZE+1];
+uint16 holes[ADT_CELLS_PER_GRID][ADT_CELLS_PER_GRID];
 
 int16 flight_box_max[3][3];
 int16 flight_box_min[3][3];
@@ -373,6 +373,8 @@ bool ConvertADT(std::string const& inputPath, std::string const& outputPath, int
     memset(liquid_flags, 0, sizeof(liquid_flags));
     memset(liquid_entry, 0, sizeof(liquid_entry));
 
+    memset(holes, 0, sizeof(holes));
+
     // Prepare map header
     map_fileheader map;
     map.mapMagic = *reinterpret_cast<uint32 const*>(MAP_MAGIC);
@@ -730,13 +732,14 @@ bool ConvertADT(std::string const& inputPath, std::string const& outputPath, int
     //============================================
     // Pack liquid data
     //============================================
-    uint8 type = liquid_flags[0][0];
+    uint16 firstLiquidType = liquid_entry[0][0];
+    uint8 firstLiquidFlag = liquid_flags[0][0];
     bool fullType = false;
     for (int y=0;y<ADT_CELLS_PER_GRID;y++)
     {
         for(int x=0;x<ADT_CELLS_PER_GRID;x++)
         {
-            if (liquid_flags[y][x]!=type)
+            if (liquid_entry[y][x] != firstLiquidType || liquid_flags[y][x] != firstLiquidFlag)
             {
                 fullType = true;
                 y = ADT_CELLS_PER_GRID;
@@ -748,7 +751,7 @@ bool ConvertADT(std::string const& inputPath, std::string const& outputPath, int
     map_liquidHeader liquidHeader;
 
     // no water data (if all grid have 0 liquid type)
-    if (type == 0 && !fullType)
+    if (firstLiquidFlag == 0 && !fullType)
     {
         // No liquid data
         map.liquidMapOffset = 0;
@@ -800,7 +803,10 @@ bool ConvertADT(std::string const& inputPath, std::string const& outputPath, int
             liquidHeader.flags |= MAP_LIQUID_NO_TYPE;
 
         if (liquidHeader.flags & MAP_LIQUID_NO_TYPE)
-            liquidHeader.liquidType = type;
+        {
+            liquidHeader.liquidFlags = firstLiquidFlag;
+            liquidHeader.liquidType = firstLiquidType;
+        }
         else
             map.liquidMapSize += sizeof(liquid_entry) + sizeof(liquid_flags);
 
@@ -808,15 +814,6 @@ bool ConvertADT(std::string const& inputPath, std::string const& outputPath, int
             map.liquidMapSize += sizeof(float)*liquidHeader.width*liquidHeader.height;
     }
 
-    // map hole info
-    uint16 holes[ADT_CELLS_PER_GRID][ADT_CELLS_PER_GRID];
-
-    if (map.liquidMapOffset)
-        map.holesOffset = map.liquidMapOffset + map.liquidMapSize;
-    else
-        map.holesOffset = map.heightMapOffset + map.heightMapSize;
-
-    memset(holes, 0, sizeof(holes));
     bool hasHoles = false;
 
     for (int i = 0; i < ADT_CELLS_PER_GRID; ++i)
@@ -833,9 +830,19 @@ bool ConvertADT(std::string const& inputPath, std::string const& outputPath, int
     }
 
     if (hasHoles)
+    {
+        if (map.liquidMapOffset)
+            map.holesOffset = map.liquidMapOffset + map.liquidMapSize;
+        else
+            map.holesOffset = map.heightMapOffset + map.heightMapSize;
+
         map.holesSize = sizeof(holes);
+    }
     else
+    {
+        map.holesOffset = 0;
         map.holesSize = 0;
+    }
 
     // Ok all data prepared - store it
 
diff --git a/src/tools/map_extractor/adt.h b/src/tools/map_extractor/adt.h
index fc8fa1c39a8..46469516b89 100644
--- a/src/tools/map_extractor/adt.h
+++ b/src/tools/map_extractor/adt.h
@@ -244,6 +244,14 @@ public:
         return { 0, 0 };
     }
 
+    uint16 GetLiquidType(adt_liquid_instance const* h) const
+    {
+        if (h->LiquidVertexFormat == LiquidVertexFormatType::Depth)
+            return 2;
+
+        return h->LiquidType;
+    }
+
     float GetLiquidHeight(adt_liquid_instance const* h, int32 pos) const
     {
         if (!h->OffsetVertexData)
diff --git a/src/tools/mmaps_generator/TerrainBuilder.cpp b/src/tools/mmaps_generator/TerrainBuilder.cpp
index 016fd8b9d1c..38b3c3ca447 100644
--- a/src/tools/mmaps_generator/TerrainBuilder.cpp
+++ b/src/tools/mmaps_generator/TerrainBuilder.cpp
@@ -61,7 +61,8 @@ struct map_heightHeader
 struct map_liquidHeader
 {
     uint32 fourcc;
-    uint16 flags;
+    uint8 flags;
+    uint8 liquidFlags;
     uint16 liquidType;
     uint8  offsetX;
     uint8  offsetY;
@@ -76,12 +77,10 @@ struct map_liquidHeader
 #define MAP_LIQUID_TYPE_MAGMA       0x04
 #define MAP_LIQUID_TYPE_SLIME       0x08
 #define MAP_LIQUID_TYPE_DARK_WATER  0x10
-#define MAP_LIQUID_TYPE_WMO_WATER   0x20
 
 namespace MMAP
 {
-
-    char const* MAP_VERSION_MAGIC = "v1.8";
+    char const* MAP_VERSION_MAGIC = "v1.9";
 
     TerrainBuilder::TerrainBuilder(bool skipLiquid) : m_skipLiquid (skipLiquid){ }
     TerrainBuilder::~TerrainBuilder() { }
@@ -171,8 +170,10 @@ namespace MMAP
         // data used later
         uint16 holes[16][16];
         memset(holes, 0, sizeof(holes));
-        uint8 liquid_type[16][16];
-        memset(liquid_type, 0, sizeof(liquid_type));
+        uint16 liquid_entry[16][16];
+        memset(liquid_entry, 0, sizeof(liquid_entry));
+        uint8 liquid_flags[16][16];
+        memset(liquid_flags, 0, sizeof(liquid_flags));
         G3D::Array<int> ltriangles;
         G3D::Array<int> ttriangles;
 
@@ -280,79 +281,90 @@ namespace MMAP
             if (fread(&lheader, sizeof(map_liquidHeader), 1, mapFile) != 1)
                 printf("TerrainBuilder::loadMap: Failed to read some data expected 1, read 0\n");
 
-
             float* liquid_map = nullptr;
 
             if (!(lheader.flags & MAP_LIQUID_NO_TYPE))
-                if (fread(liquid_type, sizeof(liquid_type), 1, mapFile) != 1)
+            {
+                if (fread(liquid_entry, sizeof(liquid_entry), 1, mapFile) != 1)
                     printf("TerrainBuilder::loadMap: Failed to read some data expected 1, read 0\n");
+                if (fread(liquid_flags, sizeof(liquid_flags), 1, mapFile) != 1)
+                    printf("TerrainBuilder::loadMap: Failed to read some data expected 1, read 0\n");
+            }
+            else
+            {
+                std::fill_n(&liquid_entry[0][0], 16 * 16, lheader.liquidType);
+                std::fill_n(&liquid_flags[0][0], 16 * 16, lheader.liquidFlags);
+            }
 
             if (!(lheader.flags & MAP_LIQUID_NO_HEIGHT))
             {
                 uint32 toRead = lheader.width * lheader.height;
                 liquid_map = new float [toRead];
                 if (fread(liquid_map, sizeof(float), toRead, mapFile) != toRead)
+                {
                     printf("TerrainBuilder::loadMap: Failed to read some data expected 1, read 0\n");
+                    delete[] liquid_map;
+                    liquid_map = nullptr;
+                }
             }
 
-            if (liquid_map)
-            {
-                int count = meshData.liquidVerts.size() / 3;
-                float xoffset = (float(tileX)-32)*GRID_SIZE;
-                float yoffset = (float(tileY)-32)*GRID_SIZE;
+            int count = meshData.liquidVerts.size() / 3;
+            float xoffset = (float(tileX)-32)*GRID_SIZE;
+            float yoffset = (float(tileY)-32)*GRID_SIZE;
 
-                float coord[3];
-                int row, col;
+            float coord[3];
+            int row, col;
 
-                // generate coordinates
-                if (!(lheader.flags & MAP_LIQUID_NO_HEIGHT))
+            // generate coordinates
+            if (!(lheader.flags & MAP_LIQUID_NO_HEIGHT))
+            {
+                int j = 0;
+                for (int i = 0; i < V9_SIZE_SQ; ++i)
                 {
-                    int j = 0;
-                    for (int i = 0; i < V9_SIZE_SQ; ++i)
-                    {
-                        row = i / V9_SIZE;
-                        col = i % V9_SIZE;
-
-                        if (row < lheader.offsetY || row >= lheader.offsetY + lheader.height ||
-                            col < lheader.offsetX || col >= lheader.offsetX + lheader.width)
-                        {
-                            // dummy vert using invalid height
-                            meshData.liquidVerts.append((xoffset+col*GRID_PART_SIZE)*-1, INVALID_MAP_LIQ_HEIGHT, (yoffset+row*GRID_PART_SIZE)*-1);
-                            continue;
-                        }
+                    row = i / V9_SIZE;
+                    col = i % V9_SIZE;
 
-                        getLiquidCoord(i, j, xoffset, yoffset, coord, liquid_map);
-                        meshData.liquidVerts.append(coord[0]);
-                        meshData.liquidVerts.append(coord[2]);
-                        meshData.liquidVerts.append(coord[1]);
-                        j++;
+                    if (row < lheader.offsetY || row >= lheader.offsetY + lheader.height ||
+                        col < lheader.offsetX || col >= lheader.offsetX + lheader.width)
+                    {
+                        // dummy vert using invalid height
+                        meshData.liquidVerts.append((xoffset+col*GRID_PART_SIZE)*-1, INVALID_MAP_LIQ_HEIGHT, (yoffset+row*GRID_PART_SIZE)*-1);
+                        continue;
                     }
+
+                    getLiquidCoord(i, j, xoffset, yoffset, coord, liquid_map);
+                    meshData.liquidVerts.append(coord[0]);
+                    meshData.liquidVerts.append(coord[2]);
+                    meshData.liquidVerts.append(coord[1]);
+                    j++;
                 }
-                else
+            }
+            else
+            {
+                for (int i = 0; i < V9_SIZE_SQ; ++i)
                 {
-                    for (int i = 0; i < V9_SIZE_SQ; ++i)
-                    {
-                        row = i / V9_SIZE;
-                        col = i % V9_SIZE;
-                        meshData.liquidVerts.append((xoffset+col*GRID_PART_SIZE)*-1, lheader.liquidLevel, (yoffset+row*GRID_PART_SIZE)*-1);
-                    }
+                    row = i / V9_SIZE;
+                    col = i % V9_SIZE;
+                    meshData.liquidVerts.append((xoffset+col*GRID_PART_SIZE)*-1, lheader.liquidLevel, (yoffset+row*GRID_PART_SIZE)*-1);
                 }
+            }
 
-                delete [] liquid_map;
+            delete[] liquid_map;
 
-                int indices[] = { 0, 0, 0 };
-                int loopStart = 0, loopEnd = 0, loopInc = 0, triInc = BOTTOM-TOP;
-                getLoopVars(portion, loopStart, loopEnd, loopInc);
+            int indices[] = { 0, 0, 0 };
+            int loopStart = 0, loopEnd = 0, loopInc = 0, triInc = BOTTOM-TOP;
+            getLoopVars(portion, loopStart, loopEnd, loopInc);
 
-                // generate triangles
-                for (int i = loopStart; i < loopEnd; i+=loopInc)
-                    for (int j = TOP; j <= BOTTOM; j+= triInc)
-                    {
-                        getHeightTriangle(i, Spot(j), indices, true);
-                        ltriangles.append(indices[2] + count);
-                        ltriangles.append(indices[1] + count);
-                        ltriangles.append(indices[0] + count);
-                    }
+            // generate triangles
+            for (int i = loopStart; i < loopEnd; i += loopInc)
+            {
+                for (int j = TOP; j <= BOTTOM; j += triInc)
+                {
+                    getHeightTriangle(i, Spot(j), indices, true);
+                    ltriangles.append(indices[2] + count);
+                    ltriangles.append(indices[1] + count);
+                    ltriangles.append(indices[0] + count);
+                }
             }
         }
 
@@ -390,38 +402,31 @@ namespace MMAP
                 useTerrain = true;
                 useLiquid = true;
                 uint8 liquidType = MAP_LIQUID_TYPE_NO_WATER;
-                // FIXME: "warning: the address of ‘liquid_type’ will always evaluate as ‘true’"
+                // FIXME: "warning: the address of ‘liquid_type’ will always evaluate as ‘true’"
 
                 // if there is no liquid, don't use liquid
                 if (!meshData.liquidVerts.size() || !ltriangles.size())
                     useLiquid = false;
                 else
                 {
-                    liquidType = getLiquidType(i, liquid_type);
-                    switch (liquidType)
+                    liquidType = getLiquidType(i, liquid_flags);
+                    if (liquidType & MAP_LIQUID_TYPE_DARK_WATER)
                     {
-                        default:
-                            useLiquid = false;
-                            break;
-                        case MAP_LIQUID_TYPE_WATER:
-                        case MAP_LIQUID_TYPE_OCEAN:
-                            // merge different types of water
-                            liquidType = NAV_WATER;
-                            break;
-                        case MAP_LIQUID_TYPE_MAGMA:
-                            liquidType = NAV_MAGMA;
-                            break;
-                        case MAP_LIQUID_TYPE_SLIME:
-                            liquidType = NAV_SLIME;
-                            break;
-                        case MAP_LIQUID_TYPE_DARK_WATER:
-                            // players should not be here, so logically neither should creatures
-                            useTerrain = false;
-                            useLiquid = false;
-                            break;
+                        // players should not be here, so logically neither should creatures
+                        useTerrain = false;
+                        useLiquid = false;
                     }
+                    else if ((liquidType & (MAP_LIQUID_TYPE_WATER | MAP_LIQUID_TYPE_OCEAN)) != 0)
+                        liquidType = NAV_WATER;
+                    else if (liquidType & MAP_LIQUID_TYPE_MAGMA)
+                        liquidType = NAV_MAGMA;
+                    else if (liquidType & MAP_LIQUID_TYPE_SLIME)
+                        liquidType = NAV_SLIME;
+                    else
+                        useLiquid = false;
                 }
 
+
                 // if there is no terrain, don't use terrain
                 if (!ttriangles.size())
                     useTerrain = false;
@@ -697,7 +702,7 @@ namespace MMAP
                     copyIndices(tempTriangles, meshData.solidTris, offset, isM2);
 
                     // now handle liquid data
-                    if (liquid)
+                    if (liquid && liquid->GetFlagsStorage())
                     {
                         std::vector<G3D::Vector3> liqVerts;
                         std::vector<int> liqTris;
diff --git a/src/tools/vmap4_extractor/adtfile.cpp b/src/tools/vmap4_extractor/adtfile.cpp
index 5b07c5b683c..588cfb5dc78 100644
--- a/src/tools/vmap4_extractor/adtfile.cpp
+++ b/src/tools/vmap4_extractor/adtfile.cpp
@@ -18,7 +18,7 @@
 
 #include "vmapexport.h"
 #include "adtfile.h"
-
+#include "StringFormat.h"
 #include <algorithm>
 #include <cstdio>
 
@@ -74,14 +74,14 @@ char* GetExtension(char* FileName)
     return nullptr;
 }
 
-ADTFile::ADTFile(char* filename): ADT(filename), nWMO(0), nMDX(0)
+ADTFile::ADTFile(char* filename): _file(filename)
 {
     Adtfilename.append(filename);
 }
 
 bool ADTFile::init(uint32 map_num, uint32 tileX, uint32 tileY)
 {
-    if(ADT.isEof ())
+    if (_file.isEof())
         return false;
 
     uint32 size;
@@ -94,15 +94,15 @@ bool ADTFile::init(uint32 map_num, uint32 tileX, uint32 tileY)
         return false;
     }
 
-    while (!ADT.isEof())
+    while (!_file.isEof())
     {
         char fourcc[5];
-        ADT.read(&fourcc,4);
-        ADT.read(&size, 4);
+        _file.read(&fourcc,4);
+        _file.read(&size, 4);
         flipcc(fourcc);
         fourcc[4] = 0;
 
-        size_t nextpos = ADT.getPos() + size;
+        size_t nextpos = _file.getPos() + size;
 
         if (!strcmp(fourcc,"MCIN"))
         {
@@ -115,7 +115,7 @@ bool ADTFile::init(uint32 map_num, uint32 tileX, uint32 tileY)
             if (size)
             {
                 char *buf = new char[size];
-                ADT.read(buf, size);
+                _file.read(buf, size);
                 char *p = buf;
                 while (p < buf + size)
                 {
@@ -123,7 +123,7 @@ bool ADTFile::init(uint32 map_num, uint32 tileX, uint32 tileY)
                     char* s = GetPlainName(p);
                     fixname2(s, strlen(s));
 
-                    ModelInstansName.push_back(s);
+                    ModelInstanceNames.push_back(s);
 
                     std::string path(p);
                     ExtractSingleModel(path);
@@ -138,7 +138,7 @@ bool ADTFile::init(uint32 map_num, uint32 tileX, uint32 tileY)
             if (size)
             {
                 char* buf = new char[size];
-                ADT.read(buf, size);
+                _file.read(buf, size);
                 char* p = buf;
                 while (p < buf + size)
                 {
@@ -147,7 +147,7 @@ bool ADTFile::init(uint32 map_num, uint32 tileX, uint32 tileY)
                     char* s = GetPlainName(p);
                     fixnamen(s, strlen(s));
                     fixname2(s, strlen(s));
-                    WmoInstansName.push_back(s);
+                    WmoInstanceNames.push_back(s);
 
                     ExtractSingleWmo(path);
 
@@ -157,16 +157,16 @@ bool ADTFile::init(uint32 map_num, uint32 tileX, uint32 tileY)
             }
         }
         //======================
-        else if (!strcmp(fourcc,"MDDF"))
+        else if (!strcmp(fourcc, "MDDF"))
         {
             if (size)
             {
-                nMDX = (int)size / 36;
-                for (int i=0; i<nMDX; ++i)
+                uint32 doodadCount = size / sizeof(ADT::MDDF);
+                for (uint32 i = 0; i < doodadCount; ++i)
                 {
-                    uint32 id;
-                    ADT.read(&id, 4);
-                    ModelInstance inst(ADT,ModelInstansName[id].c_str(), map_num, tileX, tileY, dirfile);
+                    ADT::MDDF doodadDef;
+                    _file.read(&doodadDef, sizeof(ADT::MDDF));
+                    Doodad::Extract(doodadDef, ModelInstanceNames[doodadDef.Id].c_str(), map_num, tileX, tileY, dirfile);
                 }
             }
         }
@@ -174,24 +174,24 @@ bool ADTFile::init(uint32 map_num, uint32 tileX, uint32 tileY)
         {
             if (size)
             {
-                nWMO = (int)size / 64;
-                for (int i=0; i<nWMO; ++i)
+                uint32 mapObjectCount = size / sizeof(ADT::MODF);
+                for (uint32 i = 0; i < mapObjectCount; ++i)
                 {
-                    uint32 id;
-                    ADT.read(&id, 4);
-                    WMOInstance inst(ADT,WmoInstansName[id].c_str(), map_num, tileX, tileY, dirfile);
+                    ADT::MODF mapObjDef;
+                    _file.read(&mapObjDef, sizeof(ADT::MODF));
+                    MapObject::Extract(mapObjDef, WmoInstanceNames[mapObjDef.Id].c_str(), map_num, tileX, tileY, dirfile);
                 }
             }
         }
         //======================
-        ADT.seek(nextpos);
+        _file.seek(nextpos);
     }
-    ADT.close();
+    _file.close();
     fclose(dirfile);
     return true;
 }
 
 ADTFile::~ADTFile()
 {
-    ADT.close();
+    _file.close();
 }
diff --git a/src/tools/vmap4_extractor/adtfile.h b/src/tools/vmap4_extractor/adtfile.h
index 1f9937394e1..7a421cafeae 100644
--- a/src/tools/vmap4_extractor/adtfile.h
+++ b/src/tools/vmap4_extractor/adtfile.h
@@ -23,104 +23,45 @@
 #include "wmo.h"
 #include "model.h"
 
-#define TILESIZE (533.33333f)
-#define CHUNKSIZE ((TILESIZE) / 16.0f)
-#define UNITSIZE (CHUNKSIZE / 8.0f)
-
-class Liquid;
-
-typedef struct
-{
-    float x;
-    float y;
-    float z;
-}svec;
-
-struct vec
-{
-    double x;
-    double y;
-    double z;
-};
-
-struct triangle
-{
-    vec v[3];
-};
-
-typedef struct
+#pragma pack(push, 1)
+namespace ADT
 {
-    float v9[16*8+1][16*8+1];
-    float v8[16*8][16*8];
-}Cell;
-
-typedef struct
-{
-    double v9[9][9];
-    double v8[8][8];
-    uint16 area_id;
-    //Liquid *lq;
-    float waterlevel[9][9];
-    uint8 flag;
-}chunk;
-
-typedef struct
-{
-    chunk ch[16][16];
-}mcell;
-
-struct MapChunkHeader
-{
-    uint32 flags;
-    uint32 ix;
-    uint32 iy;
-    uint32 nLayers;
-    uint32 nDoodadRefs;
-    uint32 ofsHeight;
-    uint32 ofsNormal;
-    uint32 ofsLayer;
-    uint32 ofsRefs;
-    uint32 ofsAlpha;
-    uint32 sizeAlpha;
-    uint32 ofsShadow;
-    uint32 sizeShadow;
-    uint32 areaid;
-    uint32 nMapObjRefs;
-    uint32 holes;
-    uint16 s1;
-    uint16 s2;
-    uint32 d1;
-    uint32 d2;
-    uint32 d3;
-    uint32 predTex;
-    uint32 nEffectDoodad;
-    uint32 ofsSndEmitters;
-    uint32 nSndEmitters;
-    uint32 ofsLiquid;
-    uint32 sizeLiquid;
-    float  zpos;
-    float  xpos;
-    float  ypos;
-    uint32 textureId;
-    uint32 props;
-    uint32 effectId;
-};
+    struct MDDF
+    {
+        uint32 Id;
+        uint32 UniqueId;
+        Vec3D Position;
+        Vec3D Rotation;
+        uint16 Scale;
+        uint16 Flags;
+    };
+
+    struct MODF
+    {
+        uint32 Id;
+        uint32 UniqueId;
+        Vec3D Position;
+        Vec3D Rotation;
+        AaBox3D Bounds;
+        uint16 Flags;
+        uint16 DoodadSet;
+        uint16 NameSet;
+        uint16 Scale;
+    };
+}
+#pragma pack(pop)
 
 
 class ADTFile
 {
 private:
-    //size_t mcnk_offsets[256], mcnk_sizes[256];
-    MPQFile ADT;
-    //mcell Mcell;
+    MPQFile _file;
     std::string Adtfilename;
 public:
     ADTFile(char* filename);
     ~ADTFile();
-    int nWMO;
-    int nMDX;
-    std::vector<std::string> WmoInstansName;
-    std::vector<std::string> ModelInstansName;
+    std::vector<std::string> WmoInstanceNames;
+    std::vector<std::string> ModelInstanceNames;
     bool init(uint32 map_num, uint32 tileX, uint32 tileY);
     //void LoadMapChunks();
 
diff --git a/src/tools/vmap4_extractor/gameobject_extract.cpp b/src/tools/vmap4_extractor/gameobject_extract.cpp
index fd9d516b8d0..253d70880e9 100644
--- a/src/tools/vmap4_extractor/gameobject_extract.cpp
+++ b/src/tools/vmap4_extractor/gameobject_extract.cpp
@@ -20,7 +20,7 @@
 #include "dbcfile.h"
 #include "adtfile.h"
 #include "vmapexport.h"
-
+#include "VMapDefinitions.h"
 #include <algorithm>
 #include <stdio.h>
 
@@ -75,6 +75,8 @@ void ExtractGameobjectModels()
         return;
     }
 
+    fwrite(VMAP::RAW_VMAP_MAGIC, 1, 8, model_list);
+
     for (DBCFile::Iterator it = dbc.begin(); it != dbc.end(); ++it)
     {
         path = it->getString(1);
@@ -93,8 +95,10 @@ void ExtractGameobjectModels()
         strToLower(ch_ext);
 
         bool result = false;
+        uint8 isWmo = 0;
         if (!strcmp(ch_ext, ".wmo"))
         {
+            isWmo = 1;
             result = ExtractSingleWmo(path);
         }
         else if (!strcmp(ch_ext, ".mdl"))
@@ -112,6 +116,7 @@ void ExtractGameobjectModels()
             uint32 displayId = it->getUInt(0);
             uint32 path_length = strlen(name);
             fwrite(&displayId, sizeof(uint32), 1, model_list);
+            fwrite(&isWmo, sizeof(uint8), 1, model_list);
             fwrite(&path_length, sizeof(uint32), 1, model_list);
             fwrite(name, sizeof(char), path_length, model_list);
         }
diff --git a/src/tools/vmap4_extractor/model.cpp b/src/tools/vmap4_extractor/model.cpp
index 527e34b6b94..1d20441bbca 100644
--- a/src/tools/vmap4_extractor/model.cpp
+++ b/src/tools/vmap4_extractor/model.cpp
@@ -19,7 +19,9 @@
 #include "vmapexport.h"
 #include "model.h"
 #include "wmo.h"
+#include "adtfile.h"
 #include "mpq_libmpq04.h"
+#include "VMapDefinitions.h"
 #include <cassert>
 #include <algorithm>
 #include <cstdio>
@@ -76,7 +78,7 @@ bool Model::ConvertToVMAPModel(const char * outfilename)
         printf("Can't create the output file '%s'\n", outfilename);
         return false;
     }
-    fwrite(szRawVMAPMagic, 8, 1, output);
+    fwrite(VMAP::RAW_VMAP_MAGIC, 8, 1, output);
     uint32 nVertices = header.nBoundingVertices;
     fwrite(&nVertices, sizeof(int), 1, output);
     uint32 nofgroups = 1;
@@ -142,29 +144,17 @@ Vec3D fixCoordSystem2(Vec3D v)
     return Vec3D(v.x, v.z, v.y);
 }
 
-ModelInstance::ModelInstance(MPQFile& f, char const* ModelInstName, uint32 mapID, uint32 tileX, uint32 tileY, FILE *pDirfile)
-    : id(0), scale(0), flags(0)
+void Doodad::Extract(ADT::MDDF const& doodadDef, char const* ModelInstName, uint32 mapID, uint32 tileX, uint32 tileY, FILE* pDirfile)
 {
-    float ff[3];
-    f.read(&id, 4);
-    f.read(ff, 12);
-    pos = fixCoords(Vec3D(ff[0], ff[1], ff[2]));
-    f.read(ff, 12);
-    rot = Vec3D(ff[0], ff[1], ff[2]);
-    f.read(&scale, 2);
-    f.read(&flags, 2);
     // scale factor - divide by 1024. blizzard devs must be on crack, why not just use a float?
-    sc = scale / 1024.0f;
+    float sc = doodadDef.Scale / 1024.0f;
 
     char tempname[512];
     sprintf(tempname, "%s/%s", szWorkDirWmo, ModelInstName);
     FILE* input = fopen(tempname, "r+b");
 
     if (!input)
-    {
-        //printf("ModelInstance::ModelInstance couldn't open %s\n", tempname);
         return;
-    }
 
     fseek(input, 8, SEEK_SET); // get the correct no of vertices
     int nVertices;
@@ -174,38 +164,24 @@ ModelInstance::ModelInstance(MPQFile& f, char const* ModelInstName, uint32 mapID
     if (count != 1 || nVertices == 0)
         return;
 
-    uint16 adtId = 0;// not used for models
+    Vec3D position = fixCoords(doodadDef.Position);
+
+    uint16 nameSet = 0;// not used for models
     uint32 flags = MOD_M2;
     if (tileX == 65 && tileY == 65)
         flags |= MOD_WORLDSPAWN;
 
-    //write mapID, tileX, tileY, Flags, ID, Pos, Rot, Scale, name
+    //write mapID, tileX, tileY, Flags, NameSet, UniqueId, Pos, Rot, Scale, name
     fwrite(&mapID, sizeof(uint32), 1, pDirfile);
     fwrite(&tileX, sizeof(uint32), 1, pDirfile);
     fwrite(&tileY, sizeof(uint32), 1, pDirfile);
     fwrite(&flags, sizeof(uint32), 1, pDirfile);
-    fwrite(&adtId, sizeof(uint16), 1, pDirfile);
-    fwrite(&id, sizeof(uint32), 1, pDirfile);
-    fwrite(&pos, sizeof(float), 3, pDirfile);
-    fwrite(&rot, sizeof(float), 3, pDirfile);
+    fwrite(&nameSet, sizeof(uint16), 1, pDirfile);
+    fwrite(&doodadDef.UniqueId, sizeof(uint32), 1, pDirfile);
+    fwrite(&position, sizeof(Vec3D), 1, pDirfile);
+    fwrite(&doodadDef.Rotation, sizeof(Vec3D), 1, pDirfile);
     fwrite(&sc, sizeof(float), 1, pDirfile);
     uint32 nlen = strlen(ModelInstName);
     fwrite(&nlen, sizeof(uint32), 1, pDirfile);
     fwrite(ModelInstName, sizeof(char), nlen, pDirfile);
-
-    /* int realx1 = (int) ((float) pos.x / 533.333333f);
-    int realy1 = (int) ((float) pos.z / 533.333333f);
-    int realx2 = (int) ((float) pos.x / 533.333333f);
-    int realy2 = (int) ((float) pos.z / 533.333333f);
-
-    fprintf(pDirfile,"%s/%s %f,%f,%f_%f,%f,%f %f %d %d %d,%d %d\n",
-        MapName,
-        ModelInstName,
-        (float) pos.x, (float) pos.y, (float) pos.z,
-        (float) rot.x, (float) rot.y, (float) rot.z,
-        sc,
-        nVertices,
-        realx1, realy1,
-        realx2, realy2
-        ); */
 }
diff --git a/src/tools/vmap4_extractor/model.h b/src/tools/vmap4_extractor/model.h
index c44448b5423..0bfdecbd6e9 100644
--- a/src/tools/vmap4_extractor/model.h
+++ b/src/tools/vmap4_extractor/model.h
@@ -25,6 +25,7 @@
 #include <vector>
 
 class MPQFile;
+namespace ADT { struct MDDF; }
 
 Vec3D fixCoordSystem(Vec3D v);
 
@@ -51,17 +52,9 @@ public:
     ~Model() { _unload(); }
 };
 
-class ModelInstance
+namespace Doodad
 {
-public:
-    uint32 id;
-    Vec3D pos, rot;
-    uint16 scale, flags;
-    float sc;
-
-    ModelInstance() : id(0), scale(0), flags(0), sc(0.0f) {}
-    ModelInstance(MPQFile& f, char const* ModelInstName, uint32 mapID, uint32 tileX, uint32 tileY, FILE* pDirfile);
-
-};
+    void Extract(ADT::MDDF const& doodadDef, char const* ModelInstName, uint32 mapID, uint32 tileX, uint32 tileY, FILE* pDirfile);
+}
 
 #endif
diff --git a/src/tools/vmap4_extractor/vec3d.h b/src/tools/vmap4_extractor/vec3d.h
index 3038f8b6dfa..04fe0f7d218 100644
--- a/src/tools/vmap4_extractor/vec3d.h
+++ b/src/tools/vmap4_extractor/vec3d.h
@@ -138,6 +138,13 @@ public:
     }
 };
 
+class AaBox3D
+{
+public:
+    Vec3D min;
+    Vec3D max;
+};
+
 class Vec2D
 {
 public:
diff --git a/src/tools/vmap4_extractor/vmapexport.cpp b/src/tools/vmap4_extractor/vmapexport.cpp
index e83698de620..29824785015 100644
--- a/src/tools/vmap4_extractor/vmapexport.cpp
+++ b/src/tools/vmap4_extractor/vmapexport.cpp
@@ -64,7 +64,6 @@ bool preciseVectorData = false;
 
 //static const char * szWorkDirMaps = ".\\Maps";
 char const* szWorkDirWmo = "./Buildings";
-char const* szRawVMAPMagic = "VMAP044";
 
 // Local testing functions
 
@@ -147,7 +146,7 @@ bool ExtractSingleWmo(std::string& fname)
 
             std::string s = groupFileName;
             WMOGroup fgroup(s);
-            if(!fgroup.open())
+            if (!fgroup.open(&froot))
             {
                 printf("Could not open all Group file for: %s\n", plain_name);
                 file_ok = false;
@@ -172,13 +171,11 @@ void ParsMapFiles()
 {
     char fn[512];
     //char id_filename[64];
-    char id[10];
     for (unsigned int i=0; i<map_count; ++i)
     {
-        sprintf(id,"%03u",map_ids[i].id);
         sprintf(fn,"World\\Maps\\%s\\%s.wdt", map_ids[i].name, map_ids[i].name);
         WDTFile WDT(fn,map_ids[i].name);
-        if(WDT.init(id, map_ids[i].id))
+        if (WDT.init(map_ids[i].id))
         {
             printf("Processing Map %u\n[", map_ids[i].id);
             for (int x=0; x<64; ++x)
diff --git a/src/tools/vmap4_extractor/vmapexport.h b/src/tools/vmap4_extractor/vmapexport.h
index cc7ef2b885b..c46f9ceb971 100644
--- a/src/tools/vmap4_extractor/vmapexport.h
+++ b/src/tools/vmap4_extractor/vmapexport.h
@@ -29,7 +29,6 @@ enum ModelFlags
 };
 
 extern const char * szWorkDirWmo;
-extern const char * szRawVMAPMagic;                         // vmap magic string for extracted raw vmap data
 
 bool FileExists(const char * file);
 void strToLower(char* str);
diff --git a/src/tools/vmap4_extractor/wdtfile.cpp b/src/tools/vmap4_extractor/wdtfile.cpp
index c46b4a7c6ab..faa66ca1031 100644
--- a/src/tools/vmap4_extractor/wdtfile.cpp
+++ b/src/tools/vmap4_extractor/wdtfile.cpp
@@ -20,6 +20,7 @@
 #include "wdtfile.h"
 #include "adtfile.h"
 
+#include "StringFormat.h"
 #include <cstdio>
 
 char * wdtGetPlainName(char * FileName)
@@ -31,14 +32,14 @@ char * wdtGetPlainName(char * FileName)
     return FileName;
 }
 
-WDTFile::WDTFile(char* file_name, char* file_name1) : gnWMO(0), WDT(file_name)
+WDTFile::WDTFile(char* file_name, char* file_name1) : _file(file_name)
 {
     filename.append(file_name1,strlen(file_name1));
 }
 
-bool WDTFile::init(char* /*map_id*/, unsigned int mapID)
+bool WDTFile::init(uint32 mapId)
 {
-    if (WDT.isEof())
+    if (_file.isEof())
     {
         //printf("Can't find WDT file.\n");
         return false;
@@ -56,15 +57,15 @@ bool WDTFile::init(char* /*map_id*/, unsigned int mapID)
         return false;
     }
 
-    while (!WDT.isEof())
+    while (!_file.isEof())
     {
-        WDT.read(fourcc,4);
-        WDT.read(&size, 4);
+        _file.read(fourcc,4);
+        _file.read(&size, 4);
 
         flipcc(fourcc);
         fourcc[4] = 0;
 
-        size_t nextpos = WDT.getPos() + size;
+        size_t nextpos = _file.getPos() + size;
 
         if (!strcmp(fourcc,"MAIN"))
         {
@@ -75,7 +76,7 @@ bool WDTFile::init(char* /*map_id*/, unsigned int mapID)
             if (size)
             {
                 char *buf = new char[size];
-                WDT.read(buf, size);
+                _file.read(buf, size);
                 char *p = buf;
                 while (p < buf + size)
                 {
@@ -85,7 +86,7 @@ bool WDTFile::init(char* /*map_id*/, unsigned int mapID)
                     fixnamen(s, strlen(s));
                     fixname2(s, strlen(s));
                     p = p + strlen(p) + 1;
-                    gWmoInstansName.push_back(s);
+                    _wmoNames.push_back(s);
 
                     ExtractSingleWmo(path);
                 }
@@ -97,27 +98,26 @@ bool WDTFile::init(char* /*map_id*/, unsigned int mapID)
             // global wmo instance data
             if (size)
             {
-                gnWMO = (int)size / 64;
-
-                for (int i = 0; i < gnWMO; ++i)
+                uint32 mapObjectCount = size / sizeof(ADT::MODF);
+                for (uint32 i = 0; i < mapObjectCount; ++i)
                 {
-                    int id;
-                    WDT.read(&id, 4);
-                    WMOInstance inst(WDT, gWmoInstansName[id].c_str(), mapID, 65, 65, dirfile);
+                    ADT::MODF mapObjDef;
+                    _file.read(&mapObjDef, sizeof(ADT::MODF));
+                    MapObject::Extract(mapObjDef, _wmoNames[mapObjDef.Id].c_str(), mapId, 65, 65, dirfile);
                 }
             }
         }
-        WDT.seek((int)nextpos);
+        _file.seek((int)nextpos);
     }
 
-    WDT.close();
+    _file.close();
     fclose(dirfile);
     return true;
 }
 
 WDTFile::~WDTFile(void)
 {
-    WDT.close();
+    _file.close();
 }
 
 ADTFile* WDTFile::GetMap(int x, int z)
diff --git a/src/tools/vmap4_extractor/wdtfile.h b/src/tools/vmap4_extractor/wdtfile.h
index f4cadadb40e..bc11073b803 100644
--- a/src/tools/vmap4_extractor/wdtfile.h
+++ b/src/tools/vmap4_extractor/wdtfile.h
@@ -30,14 +30,13 @@ public:
     WDTFile(char* file_name, char* file_name1);
     ~WDTFile(void);
 
-    bool init(char* map_id, unsigned int mapID);
+    bool init(uint32 mapId);
     ADTFile* GetMap(int x, int z);
 
-    std::vector<std::string> gWmoInstansName;
-    int gnWMO;
+    std::vector<std::string> _wmoNames;
 
 private:
-    MPQFile WDT;
+    MPQFile _file;
     std::string filename;
 };
 
diff --git a/src/tools/vmap4_extractor/wmo.cpp b/src/tools/vmap4_extractor/wmo.cpp
index 8be14bc38ee..da301b7599e 100644
--- a/src/tools/vmap4_extractor/wmo.cpp
+++ b/src/tools/vmap4_extractor/wmo.cpp
@@ -17,10 +17,12 @@
  */
 
 #include "vmapexport.h"
+#include "adtfile.h"
 #include "wmo.h"
 #include "vec3d.h"
 #include "mpq_libmpq04.h"
 
+#include "VMapDefinitions.h"
 #include <cstdio>
 #include <cstdlib>
 #include <cassert>
@@ -124,7 +126,7 @@ bool WMORoot::ConvertToVMAPRootWmo(FILE* pOutfile)
 {
     //printf("Convert RootWmo...\n");
 
-    fwrite(szRawVMAPMagic, 1, 8, pOutfile);
+    fwrite(VMAP::RAW_VMAP_MAGIC, 1, 8, pOutfile);
     unsigned int nVectors = 0;
     fwrite(&nVectors,sizeof(nVectors), 1, pOutfile); // will be filled later
     fwrite(&nGroups, 4, 1, pOutfile);
@@ -136,14 +138,14 @@ WMOGroup::WMOGroup(const std::string &filename) :
     filename(filename), MOPY(0), MOVI(0), MoviEx(0), MOVT(0), MOBA(0), MobaEx(0),
     hlq(0), LiquEx(0), LiquBytes(0), groupName(0), descGroupName(0), mogpFlags(0),
     moprIdx(0), moprNItems(0), nBatchA(0), nBatchB(0), nBatchC(0), fogIdx(0),
-    liquidType(0), groupWMOID(0), mopy_size(0), moba_size(0), LiquEx_size(0),
+    groupLiquid(0), groupWMOID(0), mopy_size(0), moba_size(0), LiquEx_size(0),
     nVertices(0), nTriangles(0), liquflags(0)
 {
     memset(bbcorn1, 0, sizeof(bbcorn1));
     memset(bbcorn2, 0, sizeof(bbcorn2));
 }
 
-bool WMOGroup::open()
+bool WMOGroup::open(WMORoot* rootWMO)
 {
     MPQFile f(filename.c_str());
     if(f.isEof ())
@@ -180,9 +182,19 @@ bool WMOGroup::open()
             f.read(&nBatchB, 2);
             f.read(&nBatchC, 4);
             f.read(&fogIdx, 4);
-            f.read(&liquidType, 4);
+            f.read(&groupLiquid, 4);
             f.read(&groupWMOID,4);
 
+            // according to WoW.Dev Wiki:
+            if (rootWMO->flags & 4)
+                groupLiquid = GetLiquidTypeId(groupLiquid);
+            else if (groupLiquid == 15)
+                groupLiquid = 0;
+            else
+                groupLiquid = GetLiquidTypeId(groupLiquid + 1);
+
+            if (groupLiquid)
+                liquflags |= 2;
         }
         else if (!strcmp(fourcc,"MOPY"))
         {
@@ -218,7 +230,7 @@ bool WMOGroup::open()
         {
             liquflags |= 1;
             hlq = new WMOLiquidHeader();
-            f.read(hlq, 0x1E);
+            f.read(hlq, sizeof(WMOLiquidHeader));
             LiquEx_size = sizeof(WMOLiquidVert) * hlq->xverts * hlq->yverts;
             LiquEx = new WMOLiquidVert[hlq->xverts * hlq->yverts];
             f.read(LiquEx, LiquEx_size);
@@ -226,6 +238,19 @@ bool WMOGroup::open()
             LiquBytes = new char[nLiquBytes];
             f.read(LiquBytes, nLiquBytes);
 
+            // Determine legacy liquid type
+            if (!groupLiquid)
+            {
+                for (int i = 0; i < hlq->xtiles * hlq->ytiles; ++i)
+                {
+                    if ((LiquBytes[i] & 0xF) != 15)
+                    {
+                        groupLiquid = GetLiquidTypeId((LiquBytes[i] & 0xF) + 1);
+                        break;
+                    }
+                }
+            }
+
             /* std::ofstream llog("Buildings/liquid.log", ios_base::out | ios_base::app);
             llog << filename;
             llog << "\nbbox: " << bbcorn1[0] << ", " << bbcorn1[1] << ", " << bbcorn1[2] << " | " << bbcorn2[0] << ", " << bbcorn2[1] << ", " << bbcorn2[2];
@@ -398,78 +423,54 @@ int WMOGroup::ConvertToVMAPGroupWmo(FILE *output, WMORoot *rootWMO, bool precise
     }
 
     //------LIQU------------------------
-    if (LiquEx_size != 0)
+    if (liquflags & 3)
     {
-        int LIQU_h[] = {0x5551494C, static_cast<int>(sizeof(WMOLiquidHeader) + LiquEx_size) + hlq->xtiles*hlq->ytiles};// "LIQU"
-        fwrite(LIQU_h, 4, 2, output);
-
-        // according to WoW.Dev Wiki:
-        uint32 liquidEntry;
-        if (rootWMO->flags & 4)
-            liquidEntry = liquidType;
-        else if (liquidType == 15)
-            liquidEntry = 0;
-        else
-            liquidEntry = liquidType + 1;
-
-        if (!liquidEntry)
-        {
-            int v1; // edx@1
-            int v2; // eax@1
-
-            v1 = hlq->xtiles * hlq->ytiles;
-            v2 = 0;
-            if (v1 > 0)
-            {
-                while ((LiquBytes[v2] & 0xF) == 15)
-                {
-                    ++v2;
-                    if (v2 >= v1)
-                        break;
-                }
-
-                if (v2 < v1 && (LiquBytes[v2] & 0xF) != 15)
-                    liquidEntry = (LiquBytes[v2] & 0xF) + 1;
-            }
-        }
-
-        if (liquidEntry && liquidEntry < 21)
+        int LIQU_totalSize = sizeof(uint32);
+        if (liquflags & 1)
         {
-            switch ((liquidEntry - 1) & 3)
-            {
-                case 0:
-                    liquidEntry = ((mogpFlags & 0x80000) != 0) + 13;
-                    break;
-                case 1:
-                    liquidEntry = 14;
-                    break;
-                case 2:
-                    liquidEntry = 19;
-                    break;
-                case 3:
-                    liquidEntry = 20;
-                    break;
-            }
+            LIQU_totalSize += sizeof(WMOLiquidHeader);
+            LIQU_totalSize += LiquEx_size / sizeof(WMOLiquidVert) * sizeof(float);
+            LIQU_totalSize += hlq->xtiles * hlq->ytiles;
         }
-
-        hlq->type = liquidEntry;
+        int LIQU_h[] = { 0x5551494C, LIQU_totalSize };// "LIQU"
+        fwrite(LIQU_h, 4, 2, output);
 
         /* std::ofstream llog("Buildings/liquid.log", ios_base::out | ios_base::app);
         llog << filename;
         llog << ":\nliquidEntry: " << liquidEntry << " type: " << hlq->type << " (root:" << rootWMO->liquidType << " group:" << liquidType << ")\n";
         llog.close(); */
 
-        fwrite(hlq, sizeof(WMOLiquidHeader), 1, output);
-        // only need height values, the other values are unknown anyway
-        for (uint32 i = 0; i<LiquEx_size/sizeof(WMOLiquidVert); ++i)
-            fwrite(&LiquEx[i].height, sizeof(float), 1, output);
-        // todo: compress to bit field
-        fwrite(LiquBytes, 1, hlq->xtiles*hlq->ytiles, output);
+        fwrite(&groupLiquid, sizeof(uint32), 1, output);
+        if (liquflags & 1)
+        {
+            fwrite(hlq, sizeof(WMOLiquidHeader), 1, output);
+            // only need height values, the other values are unknown anyway
+            for (uint32 i = 0; i < LiquEx_size / sizeof(WMOLiquidVert); ++i)
+                fwrite(&LiquEx[i].height, sizeof(float), 1, output);
+            // todo: compress to bit field
+            fwrite(LiquBytes, 1, hlq->xtiles * hlq->ytiles, output);
+        }
     }
 
     return nColTriangles;
 }
 
+uint32 WMOGroup::GetLiquidTypeId(uint32 liquidTypeId)
+{
+    if (liquidTypeId < 21 && liquidTypeId)
+    {
+        switch (((static_cast<uint8>(liquidTypeId) - 1) & 3))
+        {
+            case 0: return ((mogpFlags & 0x80000) != 0) + 13;
+            case 1: return 14;
+            case 2: return 19;
+            case 3: return 20;
+            default: break;
+        }
+    }
+    return liquidTypeId;
+}
+
 WMOGroup::~WMOGroup()
 {
     delete [] MOPY;
@@ -481,33 +482,11 @@ WMOGroup::~WMOGroup()
     delete [] LiquBytes;
 }
 
-WMOInstance::WMOInstance(MPQFile& f, char const* WmoInstName, uint32 mapID, uint32 tileX, uint32 tileY, FILE* pDirfile)
-    : currx(0), curry(0), wmo(nullptr), doodadset(0), pos(), indx(0), id(0)
+void MapObject::Extract(ADT::MODF const& mapObjDef, char const* WmoInstName, uint32 mapID, uint32 tileX, uint32 tileY, FILE* pDirfile)
 {
-    float ff[3];
-    f.read(&id, 4);
-    f.read(ff, 12);
-    pos = Vec3D(ff[0], ff[1], ff[2]);
-    f.read(ff, 12);
-    rot = Vec3D(ff[0], ff[1], ff[2]);
-    f.read(ff, 12);
-    pos2 = Vec3D(ff[0], ff[1], ff[2]); // bounding box corners
-    f.read(ff, 12);
-    pos3 = Vec3D(ff[0], ff[1], ff[2]); // bounding box corners
-
-    uint16 fflags;
-    f.read(&fflags, 2);
-
-    uint16 doodadSet;
-    f.read(&doodadSet, 2);
-
-    uint16 trash, adtId;
-    f.read(&adtId, 2);
-    f.read(&trash, 2);
-
     // destructible wmo, do not dump. we can handle the vmap for these
     // in dynamic tree (gameobject vmaps)
-    if ((fflags & 0x01) != 0)
+    if ((mapObjDef.Flags & 0x1) != 0)
         return;
 
     //-----------add_in _dir_file----------------
@@ -531,46 +510,38 @@ WMOInstance::WMOInstance(MPQFile& f, char const* WmoInstName, uint32 mapID, uint
     if (count != 1 || nVertices == 0)
         return;
 
+    Vec3D position = mapObjDef.Position;
+
     float x, z;
-    x = pos.x;
-    z = pos.z;
+    x = position.x;
+    z = position.z;
     if (x == 0 && z == 0)
     {
-        pos.x = 533.33333f * 32;
-        pos.z = 533.33333f * 32;
+        position.x = 533.33333f * 32;
+        position.z = 533.33333f * 32;
     }
-    pos = fixCoords(pos);
-    pos2 = fixCoords(pos2);
-    pos3 = fixCoords(pos3);
+    position = fixCoords(position);
+    AaBox3D bounds;
+    bounds.min = fixCoords(mapObjDef.Bounds.min);
+    bounds.max = fixCoords(mapObjDef.Bounds.max);
 
     float scale = 1.0f;
     uint32 flags = MOD_HAS_BOUND;
     if (tileX == 65 && tileY == 65) flags |= MOD_WORLDSPAWN;
-    //write mapID, tileX, tileY, Flags, ID, Pos, Rot, Scale, Bound_lo, Bound_hi, name
+    //write mapID, tileX, tileY, Flags, NameSet, UniqueId, Pos, Rot, Scale, Bound_lo, Bound_hi, name
     fwrite(&mapID, sizeof(uint32), 1, pDirfile);
     fwrite(&tileX, sizeof(uint32), 1, pDirfile);
     fwrite(&tileY, sizeof(uint32), 1, pDirfile);
     fwrite(&flags, sizeof(uint32), 1, pDirfile);
-    fwrite(&adtId, sizeof(uint16), 1, pDirfile);
-    fwrite(&id, sizeof(uint32), 1, pDirfile);
-    fwrite(&pos, sizeof(float), 3, pDirfile);
-    fwrite(&rot, sizeof(float), 3, pDirfile);
+    fwrite(&mapObjDef.NameSet, sizeof(uint16), 1, pDirfile);
+    fwrite(&mapObjDef.UniqueId, sizeof(uint32), 1, pDirfile);
+    fwrite(&position, sizeof(Vec3D), 1, pDirfile);
+    fwrite(&mapObjDef.Rotation, sizeof(Vec3D), 1, pDirfile);
     fwrite(&scale, sizeof(float), 1, pDirfile);
-    fwrite(&pos2, sizeof(float), 3, pDirfile);
-    fwrite(&pos3, sizeof(float), 3, pDirfile);
+    fwrite(&bounds, sizeof(AaBox3D), 1, pDirfile);
     uint32 nlen = strlen(WmoInstName);
     fwrite(&nlen, sizeof(uint32), 1, pDirfile);
     fwrite(WmoInstName, sizeof(char), nlen, pDirfile);
 
-    /* fprintf(pDirfile,"%s/%s %f,%f,%f_%f,%f,%f 1.0 %d %d %d,%d %d\n",
-        MapName,
-        WmoInstName,
-        (float) x, (float) pos.y, (float) z,
-        (float) rot.x, (float) rot.y, (float) rot.z,
-        nVertices,
-        realx1, realy1,
-        realx2, realy2
-        ); */
-
-    // fclose(dirfile);
+
 }
diff --git a/src/tools/vmap4_extractor/wmo.h b/src/tools/vmap4_extractor/wmo.h
index 1c68b49ee49..d3e22dcd686 100644
--- a/src/tools/vmap4_extractor/wmo.h
+++ b/src/tools/vmap4_extractor/wmo.h
@@ -18,8 +18,6 @@
 
 #ifndef WMO_H
 #define WMO_H
-#define TILESIZE (533.33333f)
-#define CHUNKSIZE ((TILESIZE) / 16.0f)
 
 #include <string>
 #include <set>
@@ -43,6 +41,7 @@ enum MopyFlags
 class WMOInstance;
 class WMOManager;
 class MPQFile;
+namespace ADT { struct MODF; }
 
 /* for whatever reason a certain company just can't stick to one coordinate system... */
 static inline Vec3D fixCoords(Vec3D const& v){ return Vec3D(v.z, v.x, v.y); }
@@ -63,17 +62,17 @@ public:
     bool ConvertToVMAPRootWmo(FILE* output);
 };
 
+#pragma pack(push, 1)
+
 struct WMOLiquidHeader
 {
     int xverts, yverts, xtiles, ytiles;
     float pos_x;
     float pos_y;
     float pos_z;
-    short type;
+    short material;
 };
 
-#pragma pack(push, 1)
-
 struct WMOLiquidVert
 {
     uint16 unk1;
@@ -107,7 +106,7 @@ public:
     uint16 moprNItems;
     uint16 nBatchA;
     uint16 nBatchB;
-    uint32 nBatchC, fogIdx, liquidType, groupWMOID;
+    uint32 nBatchC, fogIdx, groupLiquid, groupWMOID;
 
     int mopy_size, moba_size;
     int LiquEx_size;
@@ -118,24 +117,14 @@ public:
     WMOGroup(std::string const& filename);
     ~WMOGroup();
 
-    bool open();
+    bool open(WMORoot* rootWMO);
     int ConvertToVMAPGroupWmo(FILE* output, WMORoot* rootWMO, bool preciseVectorData);
+    uint32 GetLiquidTypeId(uint32 liquidTypeId);
 };
 
-class WMOInstance
+namespace MapObject
 {
-    static std::set<int> ids;
-public:
-    std::string MapName;
-    int currx;
-    int curry;
-    WMOGroup* wmo;
-    int doodadset;
-    Vec3D pos;
-    Vec3D pos2, pos3, rot;
-    uint32 indx, id;
-
-    WMOInstance(MPQFile&f , char const* WmoInstName, uint32 mapID, uint32 tileX, uint32 tileY, FILE* pDirfile);
-};
+    void Extract(ADT::MODF const& mapObjDef, char const* WmoInstName, uint32 mapID, uint32 tileX, uint32 tileY, FILE* pDirfile);
+}
 
 #endif