diff --git a/CMakeLists.txt b/CMakeLists.txt
index c91e6d9..4f03271 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -29,7 +29,6 @@ set(GameMainSource
 
 set(GameUnitSource
         src/game/unit/module_builder.cpp
-        src/game/unit/unit_builder.cpp
         src/game/unit/unit_module.cpp
         src/game/unit/unit.cpp)
 
diff --git a/src/game/game_map.cpp b/src/game/game_map.cpp
index 25d291d..54e6871 100644
--- a/src/game/game_map.cpp
+++ b/src/game/game_map.cpp
@@ -1,7 +1,7 @@
 #include "game_map.hpp"
 
 namespace map {
-    GameMap::GameMap(std::pair<size_t, size_t> sz) : 
+    GameMap::GameMap(Coord sz) : 
         cells(sz.first, std::vector<Cell>(sz.second)) {}
 
     size_t GameMap::addAction(const Action& action) {
@@ -18,24 +18,39 @@ namespace map {
     }
 
     void GameMap::removeAction(size_t id) {
-        actions[id] = Action(); // empty action;
+        actions[id] = Action();
         freeActionsId.push_back(id);
     }
 
-    const Cell& GameMap::getCell(std::pair<size_t, size_t> pos) {
+    const Cell& GameMap::getCell(Coord pos) {
         return cells[pos.first][pos.second];
     }
 
-    void GameMap::setCell(std::pair<size_t, size_t> pos,
-        const Cell& cell)  {
+    void GameMap::setCell(Coord pos, const Cell& cell)  {
             cells[pos.first][pos.second] = cell;
     }
 
-    std::vector<std::pair<size_t, size_t>> GameMap::getWay(
-        std::pair<size_t, size_t> start,
-        std::pair<size_t, size_t> end) {
+    void GameMap::setCellBlock(Coord startPos,
+            Coord endPos, const Cell& cell) {
+        for (size_t i = startPos.first; i < endPos.first; ++i) { // ?? or <= better ??
+            for (size_t j = startPos.second; j < endPos.second; ++j) {
+                setCell({i, j}, cell);
+            }
+        }
+    }
+
+    void GameMap::eraseCell(Coord pos) {
+        setCell(pos, Cell()); 
+    }
+
+    void GameMap::eraseCellBlock(Coord startPos, Coord endPos) {
+        setCellBlock(startPos, endPos, Cell());
+    }
+
+    std::vector<GameMap::Coord> GameMap::getWay(
+        Coord start, Coord end) {
         // now only easiest realisation, then may be A*
-        std::vector<std::pair<size_t, size_t>> way;
+        std::vector<Coord> way;
         for (size_t i = start.first; i < end.first;
             start.first < end.first ? ++i : --i) {
             for (size_t j = start.second; i < end.second;
@@ -46,7 +61,11 @@ namespace map {
         return way;
     }
 
-    void generate() {
-        
+    void GameMap::generate() {
+        for (size_t i = 0; cells.size(); ++i) {
+            for (size_t j = 0; j < cells[i].size(); ++i) {
+                cells[i][j] = Cell();
+            } 
+        }
     }
 }
\ No newline at end of file
diff --git a/src/game/game_map.hpp b/src/game/game_map.hpp
index 4d2365d..a67ceaa 100644
--- a/src/game/game_map.hpp
+++ b/src/game/game_map.hpp
@@ -6,25 +6,33 @@
 
 namespace map {
     class GameMap {
+    public:
+        using Coord = std::pair<size_t, size_t>;
     private:
         std::vector<std::vector<Cell> > cells;
         std::vector<Action> actions;
         std::vector<size_t> freeActionsId;
     public:
-        GameMap(std::pair<size_t, size_t> sz);
+        GameMap(Coord sz);
         
         size_t addAction(const Action& action);
 
         void removeAction(size_t id);
 
-        const Cell& getCell(std::pair<size_t, size_t> pos);
+        const Cell& getCell(Coord pos);
 
-        void setCell(std::pair<size_t, size_t> pos,
-            const Cell& cell);
+        void setCell(Coord pos, const Cell& cell);
 
-        std::vector<std::pair<size_t, size_t>> getWay(
-            std::pair<size_t, size_t> start,
-            std::pair<size_t, size_t> end);
+        void setCellBlock(Coord startPos,
+                Coord endPos, const Cell& cell);
+
+        void eraseCell(Coord pos);
+
+        void eraseCellBlock(Coord startPos, Coord endPos);
+
+        std::vector<Coord> getWay(
+            Coord start,
+            Coord end);
 
         void generate();
     };
diff --git a/src/game/map_entities/cell.hpp b/src/game/map_entities/cell.hpp
index 5874b93..739fa79 100644
--- a/src/game/map_entities/cell.hpp
+++ b/src/game/map_entities/cell.hpp
@@ -2,23 +2,26 @@
 
 namespace map {
     enum class CellType {
-        ctNone,
-        ctUnit,
-        ctWeapon,
-        ctForest,
-        ctMoutain
+        none,
+        unit,
+        weapon,
+        forest,
+        moutain
     };
 
     enum class CellPlayer {
-        cpNone,
-        cpPlayer0,
-        cpPlayer1,
-        cpPlayer2,
-        cpPlayer3
+        none,
+        player0,
+        player1,
+        player2,
+        player3
     };
 
     struct Cell {
-        CellType type = CellType::ctNone;
-        CellPlayer player = CellPlayer::cpNone;
+        CellType type;
+        CellPlayer player;
+        Cell(CellType type = CellType::none,
+                CellPlayer player = CellPlayer::none) 
+            : type(type), player(player) {}
     };
 }
diff --git a/src/game/map_entities/unit_obj.cpp b/src/game/map_entities/unit_obj.cpp
index cc7f083..1bf7940 100644
--- a/src/game/map_entities/unit_obj.cpp
+++ b/src/game/map_entities/unit_obj.cpp
@@ -1,5 +1,23 @@
 #include "unit_obj.hpp"
 
 namespace map {
-    
+    void UnitObj::resize(Coord newSize) {
+        gameMap->eraseCellBlock(pos, getEndPos());
+        size = newSize;
+        gameMap->setCellBlock(pos, getEndPos(), cellPrototype);
+    }
+
+    void UnitObj::move(Coord newPos) {
+        gameMap->eraseCellBlock(pos, getEndPos());
+        pos = newPos;
+        gameMap->setCellBlock(pos, getEndPos(), cellPrototype);
+    }
+
+    void UnitObj::setPlayer(int player) {
+        cellPrototype.player = static_cast<CellPlayer>(player);
+    }
+
+    void UnitObj::setCellType(int cellType) {
+        cellPrototype.type = static_cast<CellType>(cellType);
+    }
 }
\ No newline at end of file
diff --git a/src/game/map_entities/unit_obj.hpp b/src/game/map_entities/unit_obj.hpp
index 6bcb084..bd89400 100644
--- a/src/game/map_entities/unit_obj.hpp
+++ b/src/game/map_entities/unit_obj.hpp
@@ -10,15 +10,29 @@ namespace map {
     private:
         using Coord = std::pair<int32_t, int32_t>;
         Coord pos;
-        Coord size;
-        CellType cellType;      
-    public:
-        UnitObj() {}
-        UnitObj(const Coord& pos, const Coord& size,
-            const CellType& cellType, map::GameMap* map) :
-            pos(pos), size(size), cellType(cellType)  {}
-        void updateAll() {
+        Coord size; 
+        GameMap* gameMap;
+        Cell cellPrototype;
+        
 
+        Coord getEndPos() {
+            return {pos.first + size.first,
+                pos.second + size.second};
         }
+    public:
+        UnitObj() = default;
+        UnitObj(const Coord& pos, const Coord& size,
+                const CellType& cellType, 
+                const CellPlayer& cellPlayer, GameMap* gameMap) :
+            pos(pos), size(size), gameMap(gameMap),
+            cellPrototype(cellType, cellPlayer) {}
+
+        void resize(Coord newSize);
+
+        void move(Coord newPos);
+
+        void setPlayer(int player);
+
+        void setCellType(int cellType);
     };
 }
\ No newline at end of file
diff --git a/src/game/player_data.cpp b/src/game/player_data.cpp
new file mode 100644
index 0000000..e03a62c
--- /dev/null
+++ b/src/game/player_data.cpp
@@ -0,0 +1,3 @@
+#include "player_data.hpp"
+
+int PlayerData::maxPlayerId = 1;
\ No newline at end of file
diff --git a/src/game/player_data.hpp b/src/game/player_data.hpp
index e69de29..b7b88ab 100644
--- a/src/game/player_data.hpp
+++ b/src/game/player_data.hpp
@@ -0,0 +1,12 @@
+#pragma once
+
+struct PlayerData { // may be class better
+    static int maxPlayerId;
+    int player;
+    int resources = 0;
+
+    PlayerData() {
+        player = maxPlayerId;
+        ++maxPlayerId;
+    }
+};
\ No newline at end of file
diff --git a/src/game/unit/_constructable_unit.cpp b/src/game/unit/_constructable_unit.cpp
new file mode 100644
index 0000000..dea4de6
--- /dev/null
+++ b/src/game/unit/_constructable_unit.cpp
@@ -0,0 +1,7 @@
+#include "unit.hpp"
+
+namespace unit {
+    Unit::Unit(map::GameMap* map, events::EventCenter* events) {
+        
+    }
+}
\ No newline at end of file
diff --git a/src/game/unit/_constructable_unit.hpp b/src/game/unit/_constructable_unit.hpp
new file mode 100644
index 0000000..f7efb11
--- /dev/null
+++ b/src/game/unit/_constructable_unit.hpp
@@ -0,0 +1,36 @@
+#include <vector>
+#include "../game_map.hpp"
+#include "../game_events.hpp"
+#include "unit_module.hpp"
+#include "../map_entities/unit_obj.hpp"
+
+#pragma once
+
+namespace unit {
+    class Unit {
+    private:
+        const size_t MEMORY_SIZE = 100;
+
+        // parts of unit, that do something
+        std::vector<Module> modules;
+        
+        // memory, help modules communicate and handle events
+        std::vector<int> memory;
+
+        map::UnitObj unitObj;
+        
+        map::GameMap* map;
+
+        events::EventCenter* eventCenter;
+    public:
+        Unit(map::GameMap* map, events::EventCenter* eventCenter);
+
+        void step();
+
+        size_t addModule(Module module);
+
+        void removeModule(size_t id);
+
+        void damage();
+    };
+}
diff --git a/src/game/unit/unit.hpp b/src/game/unit/unit.hpp
index f7efb11..f755d03 100644
--- a/src/game/unit/unit.hpp
+++ b/src/game/unit/unit.hpp
@@ -7,30 +7,89 @@
 #pragma once
 
 namespace unit {
+    class UnitFactory;
+
     class Unit {
     private:
-        const size_t MEMORY_SIZE = 100;
+        friend class UnitFactory;
 
-        // parts of unit, that do something
-        std::vector<Module> modules;
-        
-        // memory, help modules communicate and handle events
-        std::vector<int> memory;
+        int basicStrength;
+        int strength;
+        int shield;
+        int speed;
+        int player;
+        int cellType;
 
         map::UnitObj unitObj;
         
-        map::GameMap* map;
+        map::GameMap* gameMap = nullptr;
 
-        events::EventCenter* eventCenter;
+        events::EventCenter* eventCenter = nullptr;
+
+        void setCellType(int newCellType) {
+            cellType = newCellType;
+            unitObj.setCellType(cellType);
+        }
     public:
-        Unit(map::GameMap* map, events::EventCenter* eventCenter);
+        Unit() = default;
+
+        Unit(map::GameMap* gameMap, events::EventCenter* eventCenter);
 
         void step();
 
-        size_t addModule(Module module);
+        void damage(int damage, int power);
 
-        void removeModule(size_t id);
+        bool isDestroyed() {
+            return strength <= 0;
+        }
 
-        void damage();
+        void setPlayer(int newPlayer) {
+            player = newPlayer;
+            unitObj.setPlayer(player);
+        }
+    };
+
+    class UnitFactory {
+    private:
+        Unit unit;
+    public:
+        UnitFactory() = default;
+
+        UnitFactory& setBasicStrength(int basicStrength) {
+            unit.basicStrength = basicStrength;
+            unit.strength = basicStrength;
+            return *this;
+        }
+
+        UnitFactory& setShield(int shield) {
+            unit.shield = shield;
+            return *this;
+        }
+
+        UnitFactory& setSpeed(int speed) {
+            unit.speed = speed;
+            return *this;
+        }
+
+        UnitFactory& setCellType(int cellType) {
+            unit.setCellType(cellType);
+            return *this;
+        }
+
+        UnitFactory& setEventCenter(events::EventCenter* eventCenter) {
+            unit.eventCenter = eventCenter;
+            return *this;
+        }
+
+        UnitFactory& setGameMap(map::GameMap* gameMap) {
+            unit.gameMap = gameMap;
+            return *this;
+        }
+
+        Unit build(int player) {
+            Unit cp = unit;
+            cp.setPlayer(player);
+            return cp;
+        }
     };
 }
diff --git a/src/game/unit/unit_builder.cpp b/src/game/unit/unit_builder.cpp
deleted file mode 100644
index 91e5fd0..0000000
--- a/src/game/unit/unit_builder.cpp
+++ /dev/null
@@ -1 +0,0 @@
-#include "unit_builder.hpp"
\ No newline at end of file
diff --git a/src/game/unit/unit_builder.hpp b/src/game/unit/unit_builder.hpp
deleted file mode 100644
index 5a7baa6..0000000
--- a/src/game/unit/unit_builder.hpp
+++ /dev/null
@@ -1,16 +0,0 @@
-#include <string>
-#include "unit.hpp"
-
-#pragma once
-
-namespace unit {
-    class UnitBuilder {
-    private:
-    public:
-        UnitBuilder();
-
-        Unit create();
-
-        void config(std::string& file);
-    };
-}
\ No newline at end of file