diff --git a/prototypes/saves_prototypes/README b/prototypes/saves_prototypes/README
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+# Prototypes Saves files
+
+This prototype is aiming at defining a structure for saving "map" files.
+
+The objective is to have it quite modular so that if we want to add more level we can easily do so.
+
+Another objective is that theses files are as small as possible without missing information.
+
+## What needs to be saved
+
+We need to have the shape of the map itself and the shape and number of each pieces it is a minimum
+
+I also want to define an header (and maybe a footer) to the file so that it is easier to recover if any corruption occure to a drive
+(we all been trough that)
+
+## Method
+
+I would like to save a file as byte so I need to have a bitewise parser. This is the objective of this prototype
+
+## Structure
+
+The map file should have the following structure:
+- The file should be named <map_name>.shmap (where shmap stand for shape map)
+- The file should start with the ascii characters S, M then S (0x534D53)
+- The file should end with the ascii characters S, M then E (0x534D45)
+- First we define the map shape
+    1) the map should always be a square. the lenght of this square will be the first octet after the header.
+    2) next we have s x s (where s is the size of the square) bits (1/0) where
+        - 0 represent an empty cell (where we can place a shape)
+        - 1 represent a filled cell (where we can't place a shape)
+- Next we define the amount of shape for this level with a number on one octet
+- Next we define each shapes with the same method defined previously for a map
+
+With all that we should have all that is needed for a level to work... further information could be added later this is just a prototype atm
+
diff --git a/prototypes/saves_prototypes/parser.py b/prototypes/saves_prototypes/parser.py
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+#!/bin/python
+import os
+
+
+class MapNotSquareException(Exception):
+    """
+    Matrix used is not a Square and cannot be interpretted as a piece
+    """
+
+
+class PieceNotSquareException(Exception):
+    """
+    Matrix used is not a Square and cannot be interpretted as a piece
+    """
+
+
+class SaveParser:
+    """
+    Parser for the game file
+    """
+    def __init__(self):
+        self.map_shape = [[0]]
+        self.pieces = []
+
+    def define_map(self, map_shape):
+        size = len(map_shape)
+        for row in map_shape:
+            if size != len(row):
+                raise MapNotSquareException
+        self.map_shape = map_shape
+
+    def add_piece(self, piece_shape):
+        size = len(piece_shape)
+        for row in piece_shape:
+            if size != len(row):
+                raise PieceNotSquareException
+        self.pieces.append(piece_shape)
+
+    def __str__(self):
+        return str(self.map_shape)
+
+    def shape_to_bytes(self, shape_matrix):
+        shape_list = [b for r in shape_matrix for b in r]
+        byte_ammount = len(shape_list) // 8 + 1
+        tray = 0
+        for i in shape_list:
+            tray = (tray << 1) | i
+        return tray.to_bytes(byte_ammount, 'big')
+
+    def bytes_to_shape(self, bytes_list, map_size):
+        list_octet = []
+        for octet in bytes_list:
+            octet_data = list(f"{octet:08b}")
+            [list_octet.append(d) for d in octet_data]
+        list_octet = list_octet[-(map_size**2):]
+
+        matrix = []
+        for i in range(map_size):
+            matrix.append([])
+            for j in range(map_size):
+                matrix[i].append(list_octet.pop(0))
+        return matrix
+
+    def load(self, filename):
+        """
+        load the file and prepare to parse informations
+        """
+        with open(filename, mode='br') as file:
+            data = list(file.read())
+
+            data_pos = [0, 0]
+            for i in range(len(data)):
+                if data[i] == 83 and data[i+1] == 77 and data[i+2] == 83:  # SMS
+                    data_pos[0] = i+3
+                    break
+            for i in range(data_pos[0], len(data)):
+                if data[i] == 83 and data[i+1] == 77 and data[i+2] == 69:  # SME
+                    data_pos[1] = i
+                    break
+            map_data = data[data_pos[0]:data_pos[1]]
+            self.define_map(self.bytes_to_shape(map_data[1:((map_data[0]**2)//8)+2], map_data[0]))
+            map_data = map_data[(map_data[0]**2) // 8 + 2:]
+            pieces_ammount = map_data.pop(0)
+            for i in range(pieces_ammount):
+                print(map_data)
+                piece_size = map_data.pop(0)
+                print(piece_size)
+                piece_data = map_data[:(piece_size**2) // 8 + 1]
+                print(piece_data)
+                map_data = map_data[(map_data[0]**2) // 8 + 2:]
+                print(map_data)
+                self.add_piece(self.bytes_to_shape(piece_data, piece_size))
+
+    def save(self, filename):
+        """
+        save parsed info to the file
+        """
+        save_data = b''
+        save_data += b'SMS'
+        save_data += len(self.map_shape).to_bytes(1, 'big')
+        save_data += self.shape_to_bytes(self.map_shape)
+        save_data += len(self.pieces).to_bytes(1, 'big')
+        for piece in self.pieces:
+            save_data += len(piece).to_bytes(1, 'big')
+            save_data += self.shape_to_bytes(piece)
+        save_data += b'SME'
+        with open(filename, mode='bw') as file:
+            file.write(save_data)
+
+
+def show_matrix(matrix, highlight: tuple = None):
+    """
+    :matrix: matrix to draw
+    :highlight: tuple of the coordinates to hightligh
+    """
+    size = len(matrix)
+    h_x, h_y = None, None
+    if highlight:
+        h_x, h_y = highlight
+    if size != len(matrix[0]):
+        print("ERROR: The matrix is not square")
+        return
+
+    line_str = "+" + ''.join(['-+' for _ in range(size)])
+
+    for k, x in enumerate(matrix):
+        print(line_str)
+        print('|', end="")
+        for l, y in enumerate(x):
+            if k == h_x and l == h_y:
+                print("\033[42m", end="")
+            print(str(y) + "\033[00m" + '|', end="")
+        print()
+    print(line_str)
+
+
+def cls():
+    'clear the screen'
+    for _ in range(os.get_terminal_size()[1]):
+        print()
+
+
+def menu(P):
+    """draw a simple menu to test the SaveParser class"""
+
+    print("1) define terrain")
+    print("2) add a piece")
+    print("3) show data")
+    print("4) save data")
+    print("5) load data")
+    print("6) quit")
+    item = int(input("Select an option :"))
+    cls()
+    match item:
+        case 1:
+            size = int(input("what is the size of the map: "))
+            P.map_shape = [[0 for _ in range(size)] for _ in range(size)]
+            for i in range(size):
+                for j in range(size):
+                    cls()
+                    show_matrix(P.map_shape, (i,j))
+                    P.map_shape[i][j] = int(input("0: empty; 1: filled :"))
+        case 2:
+            size = int(input("what is the size of the piece: "))
+            temp = [[0 for _ in range(size)] for _ in range(size)]
+            for i in range(size):
+                for j in range(size):
+                    cls()
+                    show_matrix(temp, (i,j))
+                    temp[i][j] = int(input("0: empty; 1: filled :"))
+            P.add_piece(temp)
+        case 3:
+            if P.map_shape:
+                print("map:")
+                show_matrix(P.map_shape)
+                for i, v in enumerate(P.pieces):
+                    print()
+                    print(f"piece {i+1}")
+                    show_matrix(v)
+        case 4:
+            filename = input('enter the file name (default: default.smap):')
+            filename = filename if filename else "default.smap"
+            P.save(filename)
+        case 5:
+            filename = input('enter the file name (default: default.smap):')
+            filename = filename if filename else "default.smap"
+            P.load(filename)
+        case 6:
+            return False
+    return True
+
+
+if __name__ == "__main__":
+    cls()
+    P = SaveParser()
+    while menu(P):
+        pass