diff --git a/server/gameserver/mtb/Map.h b/server/gameserver/mtb/Map.h
index bcd0a917..aee033fd 100644
--- a/server/gameserver/mtb/Map.h
+++ b/server/gameserver/mtb/Map.h
@@ -30,6 +30,7 @@ namespace mtb
     float scale() const { return scale_; };
     const std::string map_collider() const { return map_collider_; };
     const std::string world_object_file() const { return world_object_file_; };
+    const std::string terrain_file() const { return terrain_file_; };
 
     bool has_map_id() const { return __flags__.test(0);};
     bool has_template_list() const { return __flags__.test(1);};
@@ -51,6 +52,7 @@ namespace mtb
     bool has_scale() const { return __flags__.test(17);};
     bool has_map_collider() const { return __flags__.test(18);};
     bool has_world_object_file() const { return __flags__.test(19);};
+    bool has_terrain_file() const { return __flags__.test(20);};
 
   protected:
 
@@ -74,9 +76,10 @@ namespace mtb
     float scale_ = 0.0f;
     std::string map_collider_;
     std::string world_object_file_;
+    std::string terrain_file_;
 
 public:
-    std::bitset<20> __flags__;
+    std::bitset<21> __flags__;
   };
 
 };
diff --git a/server/gameserver/mtb/mtb.all.cc b/server/gameserver/mtb/mtb.all.cc
index 1cdc3600..5eacb044 100644
--- a/server/gameserver/mtb/mtb.all.cc
+++ b/server/gameserver/mtb/mtb.all.cc
@@ -67,7 +67,7 @@ namespace mtb
     {
       a8::reflect::Class* meta_class = nullptr;
       if (!meta_class) {
-        meta_class = new a8::reflect::Class("Map", 20, 0);
+        meta_class = new a8::reflect::Class("Map", 21, 0);
         meta_class->SetSimpleField(0, "map_id", a8::reflect::ET_INT32, my_offsetof2(Map, map_id_));
         meta_class->SetSimpleField(1, "template_list", a8::reflect::ET_STRING, my_offsetof2(Map, template_list_));
         meta_class->SetSimpleField(2, "map_name", a8::reflect::ET_STRING, my_offsetof2(Map, map_name_));
@@ -88,6 +88,7 @@ namespace mtb
         meta_class->SetSimpleField(17, "scale", a8::reflect::ET_FLOAT, my_offsetof2(Map, scale_));
         meta_class->SetSimpleField(18, "map_collider", a8::reflect::ET_STRING, my_offsetof2(Map, map_collider_));
         meta_class->SetSimpleField(19, "world_object_file", a8::reflect::ET_STRING, my_offsetof2(Map, world_object_file_));
+        meta_class->SetSimpleField(20, "terrain_file", a8::reflect::ET_STRING, my_offsetof2(Map, terrain_file_));
       }
       return meta_class;
     }
diff --git a/server/tools/protobuild/mt.proto b/server/tools/protobuild/mt.proto
index 45894357..2e7064e7 100755
--- a/server/tools/protobuild/mt.proto
+++ b/server/tools/protobuild/mt.proto
@@ -35,6 +35,7 @@ message Map
     optional float scale = 18;
     optional string map_collider = 19;
     optional string world_object_file = 20;
+    optional string terrain_file = 21;
 }
 
 message MapArea
diff --git a/server/tools/protobuild/navmesh.proto b/server/tools/protobuild/navmesh.proto
index c3950633..1dcfdb54 100644
--- a/server/tools/protobuild/navmesh.proto
+++ b/server/tools/protobuild/navmesh.proto
@@ -16,4 +16,14 @@ message HeightData{
 message HeightInfo{
         optional int32 t = 1;
         required int32 h = 2;
-}
\ No newline at end of file
+}
+
+message vector3{
+        required float x = 1;
+        required float y = 2;
+        required float z = 3;
+}
+message vertex{
+        repeated vector3 vectors = 1;
+        repeated int32 triangles = 2;
+}