diff --git a/AI/decision_tree.py b/AI/decision_tree.py
new file mode 100644
index 0000000..aa0af9e
--- /dev/null
+++ b/AI/decision_tree.py
@@ -0,0 +1,87 @@
+# used in Plant
+
+def decision_tree(plant):
+    if plant.field.hydration == 4:
+        if plant.is_healthy == 1:
+            if plant.field.tractor_there == 0:
+                if plant.ticks == 0:
+                    return 0
+                elif plant.ticks == 1:
+                    return 1
+            elif plant.field.tractor_there == 1:
+                return 0
+        elif plant.is_healthy == 0:
+            return 0
+    elif plant.field.hydration == 2:
+        if plant.species == "sorrel":
+            if plant.ticks == 1:
+                if plant.is_healthy == 1:
+                    return 1
+                elif plant.is_healthy == 0:
+                    return 0
+            elif plant.ticks == 0:
+                return 0
+        elif plant.species == "potato":
+            return 0
+        elif plant.species == "wheat":
+            return 0
+        elif plant.species == "strawberry":
+            return 0
+    elif plant.field.hydration == 1:
+        if plant.species == "potato":
+            return 0
+        elif plant.species == "strawberry":
+            if plant.ticks == 1:
+                return -1
+            elif plant.ticks == 0:
+                return 0
+        elif plant.species == "wheat":
+            return 0
+        elif plant.species == "sorrel":
+            if plant.is_healthy == 0:
+                return 0
+            elif plant.is_healthy == 1:
+                if plant.field.tractor_there == 0:
+                    if plant.ticks == 0:
+                        return 0
+                    elif plant.ticks == 1:
+                        return 1
+                elif plant.field.tractor_there == 1:
+                    return 0
+    elif plant.field.hydration == 3:
+        if plant.ticks == 1:
+            if plant.field.tractor_there == 0:
+                if plant.is_healthy == 1:
+                    if plant.species == "potato":
+                        if plant.field.fertility == 1:
+                            return 1
+                        elif plant.field.fertility == 0:
+                            return 0
+                    elif plant.species == "strawberry":
+                        return 1
+                    elif plant.species == "sorrel":
+                        return 1
+                    elif plant.species == "wheat":
+                        return 1
+                elif plant.is_healthy == 0:
+                    return 0
+            elif plant.field.tractor_there == 1:
+                return 0
+        elif plant.ticks == 0:
+            return 0
+    elif plant.field.hydration == 5:
+        if plant.field.tractor_there == 1:
+            return 0
+        elif plant.field.tractor_there == 0:
+            if plant.is_healthy == 0:
+                return 0
+            elif plant.is_healthy == 1:
+                if plant.ticks == 1:
+                    return 1
+                elif plant.ticks == 0:
+                    return 0
+    elif plant.field.hydration == 0:
+        if plant.ticks == 0:
+            return 0
+        elif plant.ticks == 1:
+            return -1
diff --git a/grader.py b/AI/grader.py
similarity index 70%
rename from grader.py
rename to AI/grader.py
index f027e18..7b0057a 100644
--- a/grader.py
+++ b/AI/grader.py
@@ -1,16 +1,7 @@
-import torch
-import torchvision
-import torchvision.transforms as transforms
-import torch.nn as nn
-import torch.nn.functional as f
-import torch.optim as optim
-import numpy as np
-from matplotlib.pyplot import imshow
-import os
 import PIL
-import numpy as np
-import neural_network
-from matplotlib.pyplot import imshow
+import torchvision.transforms as transforms
+
+from AI import neural_network
 
 # Create the model
 model = neural_network.Net()
@@ -22,10 +13,10 @@ neural_network.load_network_from_structure(model)
 transform = transforms.Compose([neural_network.Negative(), transforms.ToTensor()])
 
 # load your image(s)
-img = PIL.Image.open('test\\0_100.jpg')
-img2 = PIL.Image.open('test\\1_100.jpg')
-img3 = PIL.Image.open('test\\4_100.jpg')
-img4 = PIL.Image.open('test\\5_100.jpg')
+img = PIL.Image.open('../src/test/0_100.jpg')
+img2 = PIL.Image.open('../src/test/1_100.jpg')
+img3 = PIL.Image.open('../src/test/4_100.jpg')
+img4 = PIL.Image.open('../src/test/5_100.jpg')
 
 # Transform
 input = transform(img)
@@ -62,4 +53,4 @@ print(index)
 
 print(output4)
 index = output4.cpu().data.numpy().argmax()
-print(index)
\ No newline at end of file
+print(index)
diff --git a/id3.py b/AI/id3.py
similarity index 86%
rename from id3.py
rename to AI/id3.py
index c554803..68b9348 100644
--- a/id3.py
+++ b/AI/id3.py
@@ -1,30 +1,35 @@
-from cases import *
-from collections import Counter
-import operator
-from types import prepare_class
-import numpy as np
 import copy
+import operator
+from collections import Counter
+
+import numpy as np
+
+from src.cases import *
+
 
 class Node:
     def __init__(self, Class, tag=None):
         self.Class = Class
         self.childs = []
 
-def classes_of_cases (cases):
+
+def classes_of_cases(cases):
     classes = []
     for case in cases:
         if case.Class not in classes:
             classes.append(case.Class)
     return classes
 
-def count_classes (cases):
+
+def count_classes(cases):
     classes = []
     for case in cases:
         classes.append(case.Class)
     c = Counter(classes)
     return max(c.items(), key=operator.itemgetter(1))[0]
 
-def chose_attribute (cases, attributes):
+
+def chose_attribute(cases, attributes):
     a = ""
     max = float("-inf")
     for attribute in attributes:
@@ -33,7 +38,8 @@ def chose_attribute (cases, attributes):
             a = attribute
     return a
 
-def I (cases):
+
+def I(cases):
     i = 0
     all = len(cases)
     classes = classes_of_cases(cases)
@@ -42,9 +48,10 @@ def I (cases):
         for case in cases:
             if case.Class == Class:
                 noc += 1
-        i -= (noc/all)*np.log2(noc/all)
+        i -= (noc / all) * np.log2(noc / all)
     return i
 
+
 def E(cases, attribute):
     e = 0
     values = []
@@ -57,9 +64,9 @@ def E(cases, attribute):
         for case in cases:
             if case.values[index] == value:
                 ei.append(case)
-        e += (len(ei)/len(cases))*I(ei)
+        e += (len(ei) / len(cases)) * I(ei)
     return e
-        
+
 
 def treelearn(cases, attributes, default_class):
     if cases == []:
@@ -86,15 +93,16 @@ def treelearn(cases, attributes, default_class):
         for case in cases:
             if case.values[index] == value:
                 new_case = copy.deepcopy(case)
-                new_case.values = case.values[:index] + case.values[index+1:]
-                new_case.attributes = case.attributes[:index] + case.attributes[index+1:]
+                new_case.values = case.values[:index] + case.values[index + 1:]
+                new_case.attributes = case.attributes[:index] + case.attributes[index + 1:]
                 new_cases.append(new_case)
-        new_attributes = attributes[:index] + attributes[index+1 :]
+        new_attributes = attributes[:index] + attributes[index + 1:]
         child = treelearn(new_cases, new_attributes, new_default_class)
         t.childs.append([child, value])
 
     return t
 
+
 def pretty_print(root, n):
     if len(root.childs) == 0:
         for _ in range(n):
@@ -104,19 +112,13 @@ def pretty_print(root, n):
         for _ in range(n):
             print("    ", end="")
         if child != root.childs[0]:
-            print("el", end= "")
+            print("el", end="")
         if len(str(child[1])) > 1:
             print("if self." + str(root.Class) + " == \"" + str(child[1]) + "\":")
         else:
             print("if self." + str(root.Class) + " == " + str(child[1]) + ":")
-        pretty_print(child[0], n+1)
+        pretty_print(child[0], n + 1)
 
 
 tree = treelearn(cases, attributes, 0)
 pretty_print(tree, 0)
-
-
-    
-
-    
-    
\ No newline at end of file
diff --git a/neural_network.py b/AI/neural_network.py
similarity index 93%
rename from neural_network.py
rename to AI/neural_network.py
index b94dbeb..0910476 100644
--- a/neural_network.py
+++ b/AI/neural_network.py
@@ -1,31 +1,31 @@
-import torch
-import torchvision
-import torchvision.transforms as transforms
-import torch.nn as nn
-import torch.nn.functional as f
-import torch.optim as optim
-import numpy as np
-from matplotlib.pyplot import imshow
-import os
 import PIL
 import numpy as np
+import torch
+import torch.nn as nn
+import torch.optim as optim
+import torchvision
+import torchvision.transforms as transforms
 from matplotlib.pyplot import imshow
 
+
 def to_negative(img):
     img = PIL.ImageOps.invert(img)
     return img
 
+
 class Negative(object):
     def __init__(self):
         pass
-    
+
     def __call__(self, img):
         return to_negative(img)
 
+
 def plotdigit(image):
     img = np.reshape(image, (-1, 100))
     imshow(img, cmap='Greys')
 
+
 transform = transforms.Compose([Negative(), transforms.ToTensor()])
 train_set = torchvision.datasets.ImageFolder(root='train', transform=transform)
 classes = ("apple", "potato")
@@ -35,12 +35,13 @@ train_loader = torch.utils.data.DataLoader(train_set, batch_size=BATCH_SIZE, shu
 
 device = torch.device("cuda:0" if torch.cuda.is_available() else "cpu")
 
+
 class Net(nn.Module):
     def __init__(self):
         super(Net, self).__init__()
         self.flatten = nn.Flatten()
         self.linear_relu_stack = nn.Sequential(
-            nn.Linear(3*100*100, 512),
+            nn.Linear(3 * 100 * 100, 512),
             nn.ReLU(),
             nn.Linear(512, 512),
             nn.ReLU(),
@@ -53,14 +54,15 @@ class Net(nn.Module):
         x = self.flatten(x).to(device)
         logits = self.linear_relu_stack(x).to(device)
         return logits
- 
+
+
 def training_network():
     net = Net()
     net = net.to(device)
- 
+
     criterion = nn.CrossEntropyLoss()
     optimizer = optim.SGD(net.parameters(), lr=0.001, momentum=0.9)
- 
+
     for epoch in range(4):
         running_loss = 0.0
         for i, data in enumerate(train_loader, 0):
@@ -70,34 +72,33 @@ def training_network():
             loss = criterion(outputs, labels)
             loss.backward()
             optimizer.step()
- 
+
             running_loss += loss.item()
             if i % 2000 == 1999:
                 print('[%d, %5d] loss: %.3f' % (epoch + 1, i + 1, running_loss))
                 running_loss = 0.0
- 
+
     print("Finished training")
     save_network_to_file(net)
- 
- 
+
+
 def result_from_network(net, loaded_image):
     image = PIL.Image.open(loaded_image)
     pil_to_tensor = transforms.ToTensor()(image.convert("RGB")).unsqueeze_(0)
     outputs = net(pil_to_tensor.to(device))
- 
+
     return classes[torch.max(outputs, 1)[1]]
- 
- 
+
+
 def save_network_to_file(network):
     torch.save(network.state_dict(), 'network_model.pth')
     print("Network saved to file")
- 
- 
+
+
 def load_network_from_structure(network):
     network.load_state_dict(torch.load('network_model.pth'))
- 
- 
+
+
 if __name__ == "__main__":
     print(torch.cuda.is_available())
     training_network()
-    
\ No newline at end of file
diff --git a/basic_grid.py b/basic_grid.py
deleted file mode 100644
index 90e6327..0000000
--- a/basic_grid.py
+++ /dev/null
@@ -1,156 +0,0 @@
-# Import the pygame module
-import pygame
-
-# Import pygame.locals for easier access to key coordinates
-from pygame.locals import (
-    K_UP,
-    K_LEFT,
-    K_RIGHT,
-    K_ESCAPE,
-    KEYDOWN,
-    QUIT
-)
-
-# Import other files from project
-import field as F
-import tractor as T
-import plant as P
-import colors as C
-import dimensions as D
-import node as N
-import mapschema as maps
-
-# Initialize pygame
-pygame.init()
-
-# Name the window
-pygame.display.set_caption("Inteligentny Traktor")
-
-# Create the screen object
-# The size is determined by the constant SCREEN_WIDTH and SCREEN_HEIGHT
-screen = pygame.display.set_mode((D.SCREEN_WIDTH, D.SCREEN_HEIGHT))
-
-# Define the map of the field
-mapschema = maps.createField()
-
-# Create field array
-field = []
-
-# Populate the field array
-for row in range(D.GSIZE):
-    field.append([])
-    for column in range(D.GSIZE):
-        fieldbit = F.Field(row, column, mapschema[column][row])
-        field[row].append(fieldbit)
-
-# Create Tractor object
-tractor = T.Tractor(field, [0,0])
-
-# Define the map of plants
-mapschema = maps.createPlants()
-
-# Createt plants array
-plants = []
-
-# Populate the plants array
-for row in range(D.GSIZE):
-    plants.append([])
-    for column in range(D.GSIZE):
-        if mapschema[column][row] != 0:
-            plantbit = P.Plant(field[row][column], mapschema[column][row])
-            plants[row].append(plantbit)
-
-# Create list for tractor instructions
-path = []
-
-# Variable to keep the main loop running
-RUNNING = True
-
-# Variable conroling timed eventes
-TICKER = 0
-
-# Initialize clock
-clock = pygame.time.Clock()
-
-
-# Main loop
-while RUNNING:
-
-    # Look at every event in the queue
-    for event in pygame.event.get():
-        # Did the user hit a key?
-        if event.type == KEYDOWN:
-            # Was it the Escape key? If so, stop the loop.
-            if event.key == K_ESCAPE:
-                RUNNING = False
-        # Did the user click the window close button? If so, stop the loop.
-        elif event.type == QUIT:
-            RUNNING = False
-
-    # Create key Node that will be used to calculate tractor instructions
-    processor = N.Node(field, tractor.position, tractor.direction)
-
-    # If path is empty or nonexistent, create new one
-    if path is None or len(path) == 0:
-        path = processor.findPathToPlant()
-
-    # control tractor by poping instructions from path list
-    if path is not None:
-        if path[0] == "move":
-            tractor.move()
-            path.pop(0)
-        elif path[0] =="left":
-            tractor.rotate_left()
-            path.pop(0)
-        elif path[0] == "right":
-            tractor.rotate_right()
-            path.pop(0)
-        elif path[0] == "hydrate":
-            tractor.hydrate(field)
-            path.pop(0)
-        else:
-            path.pop(0)
-
-    # Get all keys pressed at a time CURRENTLY UNUSED
-    pressed_keys = pygame.key.get_pressed()
-    
-    # control tractor with pressed keys CURRENTLY UNUSED
-    if pressed_keys[K_UP]:
-        tractor.move()
-    elif pressed_keys[K_LEFT]:
-        tractor.rotate_left()
-    elif pressed_keys[K_RIGHT]:
-        tractor.rotate_right()
-
-    # Set the screen background
-    screen.fill(C.DBROWN)
-
-    # Draw the field
-    for row in range(D.GSIZE):
-        for column in range(D.GSIZE):
-            screen.blit(field[row][column].surf, field[row][column].rect)
-
-    # Draw the tactor
-    screen.blit(tractor.surf, tractor.rect)
-
-    # Plants grow with every 10th tick, then they are drawn
-    for row in plants:
-        for plant in row:
-            plant.tick()
-            plant.grow()
-            screen.blit(plant.surf, plant.rect)
-    
-    # Field are drying with every 100th tick
-    if TICKER == 0:
-        for row in range(D.GSIZE):
-            for column in range(D.GSIZE):
-                field[row][column].dehydrate()
-
-    # Increment ticker 
-    TICKER = (TICKER + 1)%100
-
-    # Update the screen
-    pygame.display.flip()
-
-    # Ensure program maintains a stable framerate
-    clock.tick(8)
diff --git a/cases.py b/cases.py
deleted file mode 100644
index 0c3574b..0000000
--- a/cases.py
+++ /dev/null
@@ -1,259 +0,0 @@
-class Case:
-    def __init__(self, values, attributes, Class):
-        self.values = values
-        self.attributes = attributes
-        self.Class = Class
-
-attributes = ["field.hydration", "field.fertility", "species", "ticks", "is_healthy", "field.tractor_there"]
-
-cases = [Case([4, 0, "potato", 0, 1, 0], attributes, 0),
-Case([2, 0, "sorrel", 1, 1, 0], attributes, 1),
-Case([4, 1, "wheat", 0, 0, 1], attributes, 0),
-Case([1, 1, "potato", 1, 0, 1], attributes, 0),
-Case([2, 1, "potato", 0, 0, 1], attributes, 0),
-Case([2, 0, "potato", 0, 1, 0], attributes, 0),
-Case([1, 1, "strawberry", 1, 0, 1], attributes, -1),
-Case([1, 0, "wheat", 1, 1, 1], attributes, 0),
-Case([2, 0, "wheat", 1, 0, 1], attributes, 0),
-Case([1, 1, "strawberry", 0, 1, 1], attributes, 0),
-Case([3, 1, "potato", 1, 1, 0], attributes, 1),
-Case([2, 1, "strawberry", 1, 0, 0], attributes, 0),
-Case([4, 0, "wheat", 1, 1, 1], attributes, 0),
-Case([4, 1, "wheat", 1, 0, 1], attributes, 0),
-Case([5, 1, "potato", 1, 1, 1], attributes, 0),
-Case([4, 0, "strawberry", 1, 0, 0], attributes, 0),
-Case([1, 1, "sorrel", 1, 0, 0], attributes, 0),
-Case([0, 0, "sorrel", 0, 0, 1], attributes, 0),
-Case([2, 0, "sorrel", 1, 1, 0], attributes, 1),
-Case([0, 1, "sorrel", 0, 1, 1], attributes, 0),
-Case([0, 1, "strawberry", 1, 1, 0], attributes, -1),
-Case([2, 0, "sorrel", 0, 1, 1], attributes, 0),
-Case([4, 0, "wheat", 1, 0, 1], attributes, 0),
-Case([5, 0, "wheat", 0, 0, 0], attributes, 0),
-Case([0, 0, "strawberry", 1, 0, 0], attributes, -1),
-Case([4, 0, "sorrel", 1, 0, 0], attributes, 0),
-Case([3, 0, "sorrel", 0, 0, 1], attributes, 0),
-Case([3, 1, "potato", 1, 0, 1], attributes, 0),
-Case([4, 1, "potato", 0, 0, 1], attributes, 0),
-Case([1, 1, "wheat", 0, 1, 1], attributes, 0),
-Case([3, 0, "wheat", 0, 1, 1], attributes, 0),
-Case([2, 0, "wheat", 0, 0, 0], attributes, 0),
-Case([5, 1, "potato", 1, 1, 1], attributes, 0),
-Case([4, 1, "strawberry", 0, 0, 1], attributes, 0),
-Case([1, 0, "potato", 1, 1, 0], attributes, 0),
-Case([4, 1, "sorrel", 1, 1, 1], attributes, 0),
-Case([0, 1, "sorrel", 0, 0, 0], attributes, 0),
-Case([4, 0, "strawberry", 1, 0, 0], attributes, 0),
-Case([4, 0, "sorrel", 1, 0, 0], attributes, 0),
-Case([5, 0, "strawberry", 0, 1, 1], attributes, 0),
-Case([3, 1, "wheat", 1, 1, 1], attributes, 0),
-Case([3, 0, "strawberry", 0, 1, 1], attributes, 0),
-Case([4, 0, "potato", 0, 0, 1], attributes, 0),
-Case([5, 1, "wheat", 1, 1, 1], attributes, 0),
-Case([3, 0, "strawberry", 0, 1, 1], attributes, 0),
-Case([3, 0, "sorrel", 0, 0, 1], attributes, 0),
-Case([0, 0, "potato", 1, 1, 1], attributes, -1),
-Case([4, 0, "strawberry", 1, 1, 1], attributes, 0),
-Case([2, 1, "strawberry", 1, 0, 1], attributes, 0),
-Case([2, 1, "wheat", 0, 0, 1], attributes, 0),
-Case([2, 1, "sorrel", 1, 1, 0], attributes, 1),
-Case([1, 0, "potato", 1, 0, 1], attributes, 0),
-Case([4, 0, "strawberry", 1, 0, 0], attributes, 0),
-Case([4, 1, "potato", 1, 1, 1], attributes, 0),
-Case([0, 0, "strawberry", 1, 0, 1], attributes, -1),
-Case([0, 1, "wheat", 0, 0, 0], attributes, 0),
-Case([1, 1, "wheat", 0, 1, 0], attributes, 0),
-Case([0, 0, "sorrel", 1, 1, 0], attributes, -1),
-Case([2, 0, "sorrel", 0, 0, 1], attributes, 0),
-Case([5, 1, "wheat", 1, 1, 1], attributes, 0),
-Case([2, 0, "strawberry", 0, 1, 0], attributes, 0),
-Case([2, 1, "wheat", 0, 0, 1], attributes, 0),
-Case([3, 0, "potato", 1, 0, 1], attributes, 0),
-Case([5, 0, "wheat", 1, 1, 1], attributes, 0),
-Case([0, 1, "strawberry", 1, 0, 0], attributes, -1),
-Case([0, 0, "wheat", 0, 0, 0], attributes, 0),
-Case([5, 0, "potato", 1, 1, 0], attributes, 1),
-Case([2, 0, "strawberry", 0, 1, 1], attributes, 0),
-Case([3, 1, "sorrel", 0, 1, 0], attributes, 0),
-Case([2, 1, "potato", 1, 1, 1], attributes, 0),
-Case([5, 0, "strawberry", 1, 1, 0], attributes, 1),
-Case([5, 0, "wheat", 0, 0, 0], attributes, 0),
-Case([5, 0, "wheat", 1, 1, 0], attributes, 1),
-Case([2, 0, "potato", 1, 0, 0], attributes, 0),
-Case([3, 1, "wheat", 0, 1, 0], attributes, 0),
-Case([3, 0, "potato", 1, 1, 1], attributes, 0),
-Case([0, 1, "sorrel", 1, 1, 1], attributes, -1),
-Case([0, 0, "strawberry", 1, 1, 1], attributes, -1),
-Case([2, 1, "strawberry", 0, 1, 0], attributes, 0),
-Case([0, 1, "sorrel", 1, 1, 0], attributes, -1),
-Case([3, 0, "wheat", 0, 1, 1], attributes, 0),
-Case([4, 0, "strawberry", 1, 0, 1], attributes, 0),
-Case([3, 1, "potato", 0, 0, 1], attributes, 0),
-Case([1, 1, "sorrel", 0, 0, 0], attributes, 0),
-Case([5, 1, "wheat", 1, 0, 1], attributes, 0),
-Case([5, 0, "potato", 1, 0, 1], attributes, 0),
-Case([3, 0, "potato", 0, 0, 1], attributes, 0),
-Case([1, 0, "wheat", 0, 1, 0], attributes, 0),
-Case([5, 0, "sorrel", 0, 1, 1], attributes, 0),
-Case([4, 0, "potato", 0, 1, 0], attributes, 0),
-Case([0, 0, "strawberry", 0, 0, 0], attributes, 0),
-Case([5, 0, "sorrel", 1, 1, 0], attributes, 1),
-Case([4, 1, "sorrel", 0, 0, 0], attributes, 0),
-Case([1, 1, "strawberry", 1, 1, 0], attributes, -1),
-Case([5, 0, "strawberry", 1, 0, 0], attributes, 0),
-Case([5, 1, "wheat", 0, 0, 0], attributes, 0),
-Case([0, 1, "sorrel", 1, 1, 0], attributes, -1),
-Case([3, 1, "potato", 1, 0, 1], attributes, 0),
-Case([1, 0, "sorrel", 0, 0, 0], attributes, 0),
-Case([3, 0, "wheat", 0, 1, 1], attributes, 0),
-Case([0, 0, "wheat", 0, 0, 1], attributes, 0),
-Case([1, 0, "potato", 0, 0, 0], attributes, 0),
-Case([1, 1, "sorrel", 0, 1, 0], attributes, 0),
-Case([0, 1, "strawberry", 0, 1, 0], attributes, 0),
-Case([5, 1, "potato", 1, 0, 1], attributes, 0),
-Case([2, 0, "strawberry", 1, 1, 1], attributes, 0),
-Case([4, 1, "wheat", 1, 0, 0], attributes, 0),
-Case([0, 1, "sorrel", 1, 1, 0], attributes, -1),
-Case([1, 0, "strawberry", 1, 1, 1], attributes, -1),
-Case([4, 0, "wheat", 0, 0, 0], attributes, 0),
-Case([4, 0, "strawberry", 0, 1, 0], attributes, 0),
-Case([0, 0, "sorrel", 1, 0, 1], attributes, -1),
-Case([1, 0, "strawberry", 0, 1, 0], attributes, 0),
-Case([0, 0, "strawberry", 1, 1, 1], attributes, -1),
-Case([2, 1, "potato", 0, 0, 0], attributes, 0),
-Case([3, 1, "strawberry", 1, 1, 0], attributes, 1),
-Case([1, 0, "sorrel", 1, 1, 1], attributes, 0),
-Case([5, 1, "strawberry", 1, 1, 0], attributes, 1),
-Case([2, 0, "wheat", 1, 1, 1], attributes, 0),
-Case([5, 1, "strawberry", 0, 1, 0], attributes, 0),
-Case([1, 1, "wheat", 0, 1, 1], attributes, 0),
-Case([1, 1, "potato", 0, 1, 0], attributes, 0),
-Case([4, 0, "potato", 1, 1, 0], attributes, 1),
-Case([2, 1, "strawberry", 0, 0, 1], attributes, 0),
-Case([0, 1, "potato", 0, 0, 1], attributes, 0),
-Case([3, 0, "sorrel", 1, 0, 1], attributes, 0),
-Case([4, 0, "wheat", 1, 0, 1], attributes, 0),
-Case([5, 1, "sorrel", 1, 0, 0], attributes, 0),
-Case([1, 0, "sorrel", 1, 0, 0], attributes, 0),
-Case([5, 0, "sorrel", 1, 0, 1], attributes, 0),
-Case([2, 1, "potato", 1, 0, 1], attributes, 0),
-Case([1, 0, "potato", 1, 1, 1], attributes, 0),
-Case([4, 0, "wheat", 1, 1, 0], attributes, 1),
-Case([0, 0, "sorrel", 0, 1, 0], attributes, 0),
-Case([2, 0, "wheat", 0, 0, 1], attributes, 0),
-Case([0, 1, "potato", 1, 0, 1], attributes, -1),
-Case([0, 1, "sorrel", 1, 0, 1], attributes, -1),
-Case([1, 1, "potato", 0, 0, 1], attributes, 0),
-Case([3, 0, "sorrel", 1, 1, 1], attributes, 0),
-Case([0, 0, "potato", 1, 0, 1], attributes, -1),
-Case([4, 0, "potato", 0, 0, 1], attributes, 0),
-Case([0, 0, "strawberry", 1, 0, 0], attributes, -1),
-Case([0, 0, "strawberry", 1, 1, 1], attributes, -1),
-Case([5, 0, "potato", 0, 1, 1], attributes, 0),
-Case([2, 0, "potato", 0, 0, 0], attributes, 0),
-Case([0, 1, "potato", 1, 0, 0], attributes, -1),
-Case([1, 0, "potato", 0, 0, 1], attributes, 0),
-Case([4, 0, "sorrel", 1, 0, 1], attributes, 0),
-Case([1, 0, "potato", 1, 0, 0], attributes, 0),
-Case([5, 1, "potato", 1, 0, 1], attributes, 0),
-Case([2, 1, "wheat", 1, 0, 0], attributes, 0),
-Case([0, 1, "potato", 1, 1, 1], attributes, -1),
-Case([5, 1, "strawberry", 0, 1, 0], attributes, 0),
-Case([3, 0, "strawberry", 0, 1, 1], attributes, 0),
-Case([3, 0, "strawberry", 1, 0, 0], attributes, 0),
-Case([0, 1, "strawberry", 0, 0, 1], attributes, 0),
-Case([0, 1, "wheat", 0, 0, 0], attributes, 0),
-Case([0, 1, "strawberry", 1, 0, 0], attributes, -1),
-Case([1, 0, "potato", 0, 0, 1], attributes, 0),
-Case([1, 1, "wheat", 0, 0, 0], attributes, 0),
-Case([0, 1, "strawberry", 1, 0, 1], attributes, -1),
-Case([1, 1, "potato", 0, 0, 1], attributes, 0),
-Case([0, 0, "wheat", 0, 0, 1], attributes, 0),
-Case([4, 1, "sorrel", 1, 1, 1], attributes, 0),
-Case([5, 1, "wheat", 0, 0, 1], attributes, 0),
-Case([5, 1, "strawberry", 0, 0, 0], attributes, 0),
-Case([4, 1, "wheat", 0, 0, 1], attributes, 0),
-Case([1, 1, "sorrel", 0, 0, 0], attributes, 0),
-Case([1, 1, "potato", 1, 1, 0], attributes, 0),
-Case([0, 1, "sorrel", 1, 0, 0], attributes, -1),
-Case([5, 0, "sorrel", 1, 0, 0], attributes, 0),
-Case([0, 0, "strawberry", 1, 1, 1], attributes, -1),
-Case([0, 0, "potato", 0, 0, 0], attributes, 0),
-Case([0, 0, "strawberry", 1, 1, 1], attributes, -1),
-Case([4, 0, "strawberry", 0, 0, 1], attributes, 0),
-Case([2, 0, "potato", 1, 0, 0], attributes, 0),
-Case([4, 0, "strawberry", 0, 0, 0], attributes, 0),
-Case([0, 1, "strawberry", 0, 1, 1], attributes, 0),
-Case([1, 1, "wheat", 1, 1, 0], attributes, 0),
-Case([3, 0, "potato", 0, 1, 0], attributes, 0),
-Case([1, 1, "wheat", 0, 1, 0], attributes, 0),
-Case([1, 1, "sorrel", 0, 0, 1], attributes, 0),
-Case([3, 1, "wheat", 0, 0, 0], attributes, 0),
-Case([3, 1, "wheat", 0, 0, 0], attributes, 0),
-Case([1, 0, "wheat", 0, 1, 1], attributes, 0),
-Case([5, 1, "potato", 1, 0, 1], attributes, 0),
-Case([5, 0, "wheat", 0, 0, 1], attributes, 0),
-Case([2, 1, "sorrel", 0, 1, 0], attributes, 0),
-Case([5, 0, "sorrel", 1, 0, 0], attributes, 0),
-Case([1, 0, "potato", 1, 1, 1], attributes, 0),
-Case([5, 1, "wheat", 1, 1, 0], attributes, 1),
-Case([3, 1, "sorrel", 0, 0, 0], attributes, 0),
-Case([5, 0, "wheat", 0, 0, 1], attributes, 0),
-Case([2, 0, "strawberry", 0, 1, 1], attributes, 0),
-Case([1, 0, "potato", 1, 1, 1], attributes, 0),
-Case([0, 1, "sorrel", 0, 0, 0], attributes, 0),
-Case([5, 1, "potato", 1, 1, 0], attributes, 1),
-Case([2, 0, "wheat", 0, 1, 0], attributes, 0),
-Case([3, 0, "strawberry", 0, 1, 1], attributes, 0),
-Case([3, 0, "potato", 1, 1, 0], attributes, 0),
-Case([1, 1, "potato", 0, 0, 0], attributes, 0),
-Case([2, 1, "potato", 0, 1, 0], attributes, 0),
-Case([2, 1, "wheat", 0, 1, 0], attributes, 0),
-Case([2, 0, "sorrel", 1, 1, 0], attributes, 1),
-Case([3, 0, "strawberry", 0, 1, 1], attributes, 0),
-Case([2, 0, "wheat", 1, 1, 1], attributes, 0),
-Case([5, 0, "wheat", 1, 1, 0], attributes, 1),
-Case([1, 1, "sorrel", 0, 0, 0], attributes, 0),
-Case([0, 1, "potato", 0, 0, 0], attributes, 0),
-Case([5, 1, "strawberry", 1, 1, 1], attributes, 0),
-Case([4, 1, "wheat", 1, 0, 0], attributes, 0),
-Case([5, 1, "sorrel", 0, 0, 1], attributes, 0),
-Case([1, 1, "wheat", 1, 0, 0], attributes, 0),
-Case([5, 0, "strawberry", 1, 0, 1], attributes, 0),
-Case([5, 0, "wheat", 1, 0, 1], attributes, 0),
-Case([2, 0, "potato", 1, 0, 1], attributes, 0),
-Case([3, 1, "wheat", 1, 0, 0], attributes, 0),
-Case([0, 1, "strawberry", 1, 0, 0], attributes, -1),
-Case([0, 1, "strawberry", 0, 1, 1], attributes, 0),
-Case([3, 0, "wheat", 0, 1, 0], attributes, 0),
-Case([4, 1, "potato", 1, 1, 1], attributes, 0),
-Case([3, 0, "potato", 0, 0, 1], attributes, 0),
-Case([2, 1, "strawberry", 1, 1, 0], attributes, 0),
-Case([1, 1, "sorrel", 0, 0, 0], attributes, 0),
-Case([4, 1, "wheat", 1, 0, 1], attributes, 0),
-Case([2, 0, "potato", 0, 1, 0], attributes, 0),
-Case([5, 0, "sorrel", 0, 1, 1], attributes, 0),
-Case([0, 1, "wheat", 1, 1, 0], attributes, -1),
-Case([5, 1, "wheat", 1, 0, 0], attributes, 0),
-Case([2, 0, "potato", 0, 0, 0], attributes, 0),
-Case([2, 0, "strawberry", 0, 1, 1], attributes, 0),
-Case([4, 1, "potato", 0, 1, 1], attributes, 0),
-Case([0, 1, "sorrel", 1, 1, 0], attributes, -1),
-Case([1, 1, "strawberry", 1, 0, 1], attributes, -1),
-Case([3, 0, "sorrel", 1, 1, 0], attributes, 1),
-Case([5, 1, "wheat", 1, 0, 0], attributes, 0),
-Case([4, 0, "sorrel", 1, 1, 0], attributes, 1),
-Case([2, 1, "sorrel", 1, 0, 0], attributes, 0),
-Case([0, 1, "wheat", 0, 1, 0], attributes, 0),
-Case([5, 0, "potato", 1, 1, 0], attributes, 1),
-Case([3, 1, "strawberry", 0, 1, 0], attributes, 0),
-Case([5, 1, "strawberry", 0, 0, 0], attributes, 0),
-Case([4, 1, "potato", 1, 1, 1], attributes, 0),
-Case([5, 1, "potato", 1, 0, 1], attributes, 0),
-Case([5, 1, "potato", 1, 1, 1], attributes, 0),
-Case([0, 0, "sorrel", 0, 0, 0], attributes, 0),
-Case([1, 1, "sorrel", 1, 1, 0], attributes, 1),
-Case([0, 1, "potato", 0, 1, 0], attributes, 0),
-Case([4, 1, "strawberry", 1, 1, 1], attributes, 0),
-Case([0, 0, "wheat", 0, 1, 1], attributes, 0),
-Case([3, 0, "wheat", 1, 1, 0], attributes, 1)]
\ No newline at end of file
diff --git a/field.py b/field.py
index b4b19b9..6a8aa81 100644
--- a/field.py
+++ b/field.py
@@ -1,6 +1,8 @@
 import pygame
-from colors import *
-from dimensions import *
+
+from src.colors import *
+from src.dimensions import *
+
 
 class Field(pygame.sprite.Sprite):
     def __init__(self, row, column, field_type):
@@ -30,30 +32,16 @@ class Field(pygame.sprite.Sprite):
     def hydrate(self):
         if self.field_type == "soil" and self.hydration <= 5:
             self.hydration += 1
-            if self.hydration == 0:
-                self.surf.fill(BROWN0)
-            if self.hydration == 1:
-                self.surf.fill(BROWN1)
-            if self.hydration == 2:
-                self.surf.fill(BROWN2)
-            if self.hydration == 3:
-                self.surf.fill(BROWN3)
-            if self.hydration == 4 or self.hydration == 5:
-                self.surf.fill(BROWN4)
-    
+
+            # color field to it's hydration value
+            self.surf.fill(eval('BROWN' + str(self.hydration)))
+
     def dehydrate(self):
         if self.field_type == "soil" and self.hydration > 0:
             self.hydration -= 1
-            if self.hydration == 0:
-                self.surf.fill(BROWN0)
-            if self.hydration == 1:
-                self.surf.fill(BROWN1)
-            if self.hydration == 2:
-                self.surf.fill(BROWN2)
-            if self.hydration == 3:
-                self.surf.fill(BROWN3)
-            if self.hydration == 4 or self.hydration == 5:
-                self.surf.fill(BROWN4)
-    
+
+            # color field to it's hydration value
+            self.surf.fill(eval('BROWN' + str(self.hydration)))
+
     def free(self):
         self.planted = 0
diff --git a/main.py b/main.py
new file mode 100644
index 0000000..c9dc836
--- /dev/null
+++ b/main.py
@@ -0,0 +1,151 @@
+# Import the pygame module
+import pygame
+# Import pygame.locals for easier access to key coordinates
+from pygame.locals import (
+    K_UP,
+    K_LEFT,
+    K_RIGHT,
+    K_ESCAPE,
+    KEYDOWN,
+    QUIT
+)
+
+# Import other files from project
+import field as F
+import node as N
+import plant as P
+import src.colors as C
+import src.dimensions as D
+import tractor as T
+from src import mapschema as maps
+
+if __name__ == "__main__":
+    # Initialize pygame
+    pygame.init()
+
+    # Name the window
+    pygame.display.set_caption("Inteligentny Traktor")
+
+    # Create the screen object
+    # The size is determined by the constant SCREEN_WIDTH and SCREEN_HEIGHT
+    screen = pygame.display.set_mode((D.SCREEN_WIDTH, D.SCREEN_HEIGHT))
+
+    # Define the map of the field
+    mapschema = maps.createField()
+
+    # Create field array
+    field = []
+
+    # Populate the field array
+    for row in range(D.GSIZE):
+        field.append([])
+        for column in range(D.GSIZE):
+            fieldbit = F.Field(row, column, mapschema[column][row])
+            field[row].append(fieldbit)
+
+    # Create Tractor object
+    tractor = T.Tractor(field, [0, 0])
+
+    # Define the map of plants
+    mapschema = maps.createPlants()
+
+    # Createt plants array
+    plants = []
+
+    # Populate the plants array
+    for row in range(D.GSIZE):
+        plants.append([])
+        for column in range(D.GSIZE):
+            if mapschema[column][row] != 0:
+                plantbit = P.Plant(field[row][column], mapschema[column][row])
+                plants[row].append(plantbit)
+
+    # Create list for tractor instructions
+    path = []
+
+    # Variable to keep the main loop running
+    RUNNING = True
+
+    # Variable conroling timed eventes
+    TICKER = 0
+
+    # Initialize clock
+    clock = pygame.time.Clock()
+
+    # Main loop
+    while RUNNING:
+
+        # Look at every event in the queue
+        for event in pygame.event.get():
+            # Did the user hit a key?
+            if event.type == KEYDOWN:
+                # Was it the Escape key? If so, stop the loop.
+                if event.key == K_ESCAPE:
+                    RUNNING = False
+            # Did the user click the window close button? If so, stop the loop.
+            elif event.type == QUIT:
+                RUNNING = False
+
+        # Create key Node that will be used to calculate tractor instructions
+        processor = N.Node(field, tractor.position, tractor.direction)
+
+        # If path is empty or nonexistent, create new one
+        if path is None or len(path) == 0:
+            path = processor.findPathToPlant()
+
+        # control tractor by poping instructions from path list
+        if path is not None:
+            if path[0] == "move":
+                tractor.move()
+            elif path[0] == "left":
+                tractor.rotate_left()
+            elif path[0] == "right":
+                tractor.rotate_right()
+            elif path[0] == "hydrate":
+                tractor.hydrate(field)
+
+            path.pop(0)
+
+        # Get all keys pressed at a time CURRENTLY UNUSED
+        pressed_keys = pygame.key.get_pressed()
+
+        # control tractor with pressed keys CURRENTLY UNUSED
+        if pressed_keys[K_UP]:
+            tractor.move()
+        elif pressed_keys[K_LEFT]:
+            tractor.rotate_left()
+        elif pressed_keys[K_RIGHT]:
+            tractor.rotate_right()
+
+        # Set the screen background
+        screen.fill(C.DBROWN)
+
+        # Draw the field
+        for row in range(D.GSIZE):
+            for column in range(D.GSIZE):
+                screen.blit(field[row][column].surf, field[row][column].rect)
+
+        # Draw the tactor
+        screen.blit(tractor.surf, tractor.rect)
+
+        # Plants grow with every 10th tick, then they are drawn
+        for row in plants:
+            for plant in row:
+                plant.tick()
+                plant.grow()
+                screen.blit(plant.surf, plant.rect)
+
+        # Field are drying with every 100th tick
+        if TICKER == 0:
+            for row in range(D.GSIZE):
+                for column in range(D.GSIZE):
+                    field[row][column].dehydrate()
+
+        # Increment ticker
+        TICKER = (TICKER + 1) % 100
+
+        # Update the screen
+        pygame.display.flip()
+
+        # Ensure program maintains a stable framerate
+        clock.tick(8)
diff --git a/mapschema.py b/mapschema.py
deleted file mode 100644
index 4cc5963..0000000
--- a/mapschema.py
+++ /dev/null
@@ -1,27 +0,0 @@
-def createField():
-    field = [["soil", "soil", "soil", "soil", "soil", "soil", "rocks", "soil", "soil", "soil"],
-    ["soil", "soil", "soil", "soil", "soil", "soil", "rocks", "soil", "soil", "soil"],
-    ["soil", "soil", "soil", "soil", "soil", "road", "road", "road", "road", "road"],
-    ["rocks", "rocks", "rocks", "rocks", "soil", "road", "soil", "soil", "rocks", "soil"],
-    ["soil", "soil", "soil", "soil", "soil", "road", "rocks", "rocks", "soil", "soil"],
-    ["soil", "soil", "soil", "pond", "rocks", "road", "rocks", "soil", "soil", "rocks"],
-    ["rocks", "pond", "pond", "pond", "pond", "road", "rocks", "soil", "soil", "rocks"],
-    ["road", "road", "road", "road", "road", "road", "rocks", "soil", "soil", "soil"],
-    ["soil", "soil", "soil", "soil", "soil", "soil", "rocks", "soil", "rocks", "rocks"],
-    ["soil", "soil", "soil", "soil", "soil", "rocks", "soil", "rocks", "rocks", "soil"]
-    ]
-    return field
-
-def createPlants():
-    field = [["wheat", "wheat", "wheat", "wheat", "wheat", "wheat", 0, "strawberry", "strawberry", "strawberry"],
-    ["wheat", "wheat", "wheat", "wheat", "wheat", "wheat", 0, "strawberry", "strawberry", "strawberry"],
-    ["wheat", "wheat", "wheat", "wheat", 0, 0, 0, 0, 0, 0],
-    [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
-    ["wheat", "wheat", "wheat", "wheat", 0, 0, 0, 0, 0, 0],
-    ["wheat", "wheat", "wheat", 0, 0, 0, 0, "potato", "potato", 0],
-    [0, 0, 0, 0, 0, 0, 0, "potato", "potato", 0],
-    [0, 0, 0, 0, 0, 0, 0, "potato", "potato", "potato"],
-    ["strawberry", "strawberry", "strawberry", "strawberry", "strawberry", 0, 0, "potato", 0, 0],
-    ["strawberry", "strawberry", "strawberry", "strawberry", "strawberry", 0, 0, 0, 0, 0]
-    ]
-    return field
diff --git a/node.py b/node.py
index c8a8c52..3c1ee8b 100644
--- a/node.py
+++ b/node.py
@@ -1,10 +1,12 @@
-from dimensions import *
 import heapq
 
+from src.dimensions import *
+
 
 def getTotalCost(x):
     return x.totalCost
 
+
 def showPath(node, goal):
     path = node.findPath(goal)
     for x in path:
@@ -12,36 +14,38 @@ def showPath(node, goal):
         print(x.rotation, end=" ")
         print(x.action)
     print("***")
-    
 
-def succesor (node):
+
+def succesor(node):
     succesors = []
-    if node.position[0]+node.rotation[0] in range(0,GSIZE) and node.position[1]+node.rotation[1] in range(0,GSIZE):
-        child = Node(node.field, [node.position[0]+node.rotation[0], node.position[1]+node.rotation[1]], node.rotation)
+    if node.position[0] + node.rotation[0] in range(0, GSIZE) and node.position[1] + node.rotation[1] in range(0,
+                                                                                                               GSIZE):
+        child = Node(node.field, [node.position[0] + node.rotation[0], node.position[1] + node.rotation[1]],
+                     node.rotation)
         child.action = "move"
         succesors.append(child)
-    if node.rotation == [1,0]:
-        child = Node(node.field, node.position, [0,-1])
+    if node.rotation == [1, 0]:
+        child = Node(node.field, node.position, [0, -1])
         child.action = "left"
         succesors.append(child)
-        child = Node(node.field, node.position, [0,1])
+        child = Node(node.field, node.position, [0, 1])
         child.action = "right"
         succesors.append(child)
-    if node.rotation == [0,1]:
+    if node.rotation == [0, 1]:
         child = Node(node.field, node.position, [-1, 0])
         succesors.append(child)
         child.action = "right"
         child = Node(node.field, node.position, [1, 0])
         child.action = "left"
         succesors.append(child)
-    if node.rotation == [-1,0]:
-        child = Node(node.field, node.position, [0,-1])
+    if node.rotation == [-1, 0]:
+        child = Node(node.field, node.position, [0, -1])
         succesors.append(child)
         child.action = "right"
-        child = Node(node.field, node.position, [0,1])
+        child = Node(node.field, node.position, [0, 1])
         child.action = "left"
         succesors.append(child)
-    if node.rotation == [0,-1]:
+    if node.rotation == [0, -1]:
         child = Node(node.field, node.position, [-1, 0])
         child.action = "left"
         succesors.append(child)
@@ -50,7 +54,8 @@ def succesor (node):
         succesors.append(child)
     return succesors
 
-class Node():
+
+class Node:
     def __init__(self, field, position, rotation):
         self.parent = 0
         self.startCost = 0
@@ -88,7 +93,7 @@ class Node():
                     path.append(current)
                     current = current.parent
                 return path[::-1]
-            
+
             children = succesor(currentNode)
 
             perm = 0
@@ -102,8 +107,8 @@ class Node():
                     continue
                 child.parent = currentNode
                 child.startCost = currentNode.startCost + child.field[child.position[0]][child.position[1]].moveCost
-                child.heuristic = abs(goal[0]-child.position[0]) + abs(goal[1]-child.position[1])
-                child.totalCost = child.startCost+child.heuristic
+                child.heuristic = abs(goal[0] - child.position[0]) + abs(goal[1] - child.position[1])
+                child.totalCost = child.startCost + child.heuristic
 
                 for openNode in openList:
                     if child.position == openNode.position and child.rotation == openNode.rotation and child.action == openNode.action and child.startCost > openNode.startCost:
@@ -131,7 +136,8 @@ class Node():
 
             closedList.append(currentNode)
 
-            if currentNode.field[currentNode.position[0]][currentNode.position[1]].planted and currentNode.field[currentNode.position[0]][currentNode.position[1]].hydration < 2:
+            if currentNode.field[currentNode.position[0]][currentNode.position[1]].planted and \
+                    currentNode.field[currentNode.position[0]][currentNode.position[1]].hydration < 2:
                 path = []
                 for _ in range(currentNode.field[currentNode.position[0]][currentNode.position[1]].hydration, 4):
                     path.append("hydrate")
@@ -140,7 +146,7 @@ class Node():
                     path.append(current.action)
                     current = current.parent
                 return path[::-1]
-            
+
             children = succesor(currentNode)
 
             perm = 0
@@ -154,8 +160,9 @@ class Node():
                     continue
                 child.parent = currentNode
                 child.startCost = currentNode.startCost + child.field[child.position[0]][child.position[1]].moveCost
-                child.heuristic = abs(startNode.position[0]-child.position[0]) + abs(startNode.position[1]-child.position[1])
-                child.totalCost = child.startCost+child.heuristic
+                child.heuristic = abs(startNode.position[0] - child.position[0]) + abs(
+                    startNode.position[1] - child.position[1])
+                child.totalCost = child.startCost + child.heuristic
 
                 for openNode in openList:
                     if child.position == openNode.position and child.rotation == openNode.rotation and child.action == openNode.action and child.startCost >= openNode.startCost:
@@ -166,4 +173,4 @@ class Node():
                     perm = 0
                     continue
 
-                heapq.heappush(openList, child)      
+                heapq.heappush(openList, child)
diff --git a/plant.py b/plant.py
index 0e24e0d..8fd28b3 100644
--- a/plant.py
+++ b/plant.py
@@ -1,7 +1,7 @@
-import pygame
-from colors import *
-from dimensions import *
-from sprites import *
+from AI.decision_tree import *
+from src.dimensions import *
+from src.sprites import *
+
 
 class Plant(pygame.sprite.Sprite):
     def __init__(self, field, species):
@@ -40,90 +40,7 @@ class Plant(pygame.sprite.Sprite):
         self.ticks = 0
 
     def dtree(self):
-        if self.field.hydration == 4:
-            if self.is_healthy == 1:
-                if self.field.tractor_there == 0:
-                    if self.ticks == 0:
-                        return 0
-                    elif self.ticks == 1:
-                        return 1
-                elif self.field.tractor_there == 1:
-                    return 0
-            elif self.is_healthy == 0:
-                return 0
-        elif self.field.hydration == 2:
-            if self.species == "sorrel":
-                if self.ticks == 1:
-                    if self.is_healthy == 1:
-                        return 1
-                    elif self.is_healthy == 0:
-                        return 0
-                elif self.ticks == 0:
-                    return 0
-            elif self.species == "potato":
-                return 0
-            elif self.species == "wheat":
-                return 0
-            elif self.species == "strawberry":
-                return 0
-        elif self.field.hydration == 1:
-            if self.species == "potato":
-                return 0
-            elif self.species == "strawberry":
-                if self.ticks == 1:
-                    return -1
-                elif self.ticks == 0:
-                    return 0
-            elif self.species == "wheat":
-                return 0
-            elif self.species == "sorrel":
-                if self.is_healthy == 0:
-                    return 0
-                elif self.is_healthy == 1:
-                    if self.field.tractor_there == 0:
-                        if self.ticks == 0:
-                            return 0
-                        elif self.ticks == 1:
-                            return 1
-                    elif self.field.tractor_there == 1:
-                        return 0
-        elif self.field.hydration == 3:
-            if self.ticks == 1:
-                if self.field.tractor_there == 0:
-                    if self.is_healthy == 1:
-                        if self.species == "potato":
-                            if self.field.fertility == 1:
-                                return 1
-                            elif self.field.fertility == 0:
-                                return 0
-                        elif self.species == "strawberry":
-                            return 1
-                        elif self.species == "sorrel":
-                            return 1
-                        elif self.species == "wheat":
-                            return 1
-                    elif self.is_healthy == 0:
-                        return 0
-                elif self.field.tractor_there == 1:
-                    return 0
-            elif self.ticks == 0:
-                return 0
-        elif self.field.hydration == 5:
-            if self.field.tractor_there == 1:
-                return 0
-            elif self.field.tractor_there == 0:
-                if self.is_healthy == 0:
-                    return 0
-                elif self.is_healthy == 1:
-                    if self.ticks == 1:
-                        return 1
-                    elif self.ticks == 0:
-                        return 0
-        elif self.field.hydration == 0:
-            if self.ticks == 0:
-                return 0
-            elif self.ticks == 1:
-                return -1
+        decision_tree(self)
 
     def update(self):
         if self.growth == 0:
diff --git a/src/cases.py b/src/cases.py
new file mode 100644
index 0000000..0e1a0f5
--- /dev/null
+++ b/src/cases.py
@@ -0,0 +1,260 @@
+class Case:
+    def __init__(self, values, attributes, Class):
+        self.values = values
+        self.attributes = attributes
+        self.Class = Class
+
+
+attributes = ["field.hydration", "field.fertility", "species", "ticks", "is_healthy", "field.tractor_there"]
+
+cases = [Case([4, 0, "potato", 0, 1, 0], attributes, 0),
+         Case([2, 0, "sorrel", 1, 1, 0], attributes, 1),
+         Case([4, 1, "wheat", 0, 0, 1], attributes, 0),
+         Case([1, 1, "potato", 1, 0, 1], attributes, 0),
+         Case([2, 1, "potato", 0, 0, 1], attributes, 0),
+         Case([2, 0, "potato", 0, 1, 0], attributes, 0),
+         Case([1, 1, "strawberry", 1, 0, 1], attributes, -1),
+         Case([1, 0, "wheat", 1, 1, 1], attributes, 0),
+         Case([2, 0, "wheat", 1, 0, 1], attributes, 0),
+         Case([1, 1, "strawberry", 0, 1, 1], attributes, 0),
+         Case([3, 1, "potato", 1, 1, 0], attributes, 1),
+         Case([2, 1, "strawberry", 1, 0, 0], attributes, 0),
+         Case([4, 0, "wheat", 1, 1, 1], attributes, 0),
+         Case([4, 1, "wheat", 1, 0, 1], attributes, 0),
+         Case([5, 1, "potato", 1, 1, 1], attributes, 0),
+         Case([4, 0, "strawberry", 1, 0, 0], attributes, 0),
+         Case([1, 1, "sorrel", 1, 0, 0], attributes, 0),
+         Case([0, 0, "sorrel", 0, 0, 1], attributes, 0),
+         Case([2, 0, "sorrel", 1, 1, 0], attributes, 1),
+         Case([0, 1, "sorrel", 0, 1, 1], attributes, 0),
+         Case([0, 1, "strawberry", 1, 1, 0], attributes, -1),
+         Case([2, 0, "sorrel", 0, 1, 1], attributes, 0),
+         Case([4, 0, "wheat", 1, 0, 1], attributes, 0),
+         Case([5, 0, "wheat", 0, 0, 0], attributes, 0),
+         Case([0, 0, "strawberry", 1, 0, 0], attributes, -1),
+         Case([4, 0, "sorrel", 1, 0, 0], attributes, 0),
+         Case([3, 0, "sorrel", 0, 0, 1], attributes, 0),
+         Case([3, 1, "potato", 1, 0, 1], attributes, 0),
+         Case([4, 1, "potato", 0, 0, 1], attributes, 0),
+         Case([1, 1, "wheat", 0, 1, 1], attributes, 0),
+         Case([3, 0, "wheat", 0, 1, 1], attributes, 0),
+         Case([2, 0, "wheat", 0, 0, 0], attributes, 0),
+         Case([5, 1, "potato", 1, 1, 1], attributes, 0),
+         Case([4, 1, "strawberry", 0, 0, 1], attributes, 0),
+         Case([1, 0, "potato", 1, 1, 0], attributes, 0),
+         Case([4, 1, "sorrel", 1, 1, 1], attributes, 0),
+         Case([0, 1, "sorrel", 0, 0, 0], attributes, 0),
+         Case([4, 0, "strawberry", 1, 0, 0], attributes, 0),
+         Case([4, 0, "sorrel", 1, 0, 0], attributes, 0),
+         Case([5, 0, "strawberry", 0, 1, 1], attributes, 0),
+         Case([3, 1, "wheat", 1, 1, 1], attributes, 0),
+         Case([3, 0, "strawberry", 0, 1, 1], attributes, 0),
+         Case([4, 0, "potato", 0, 0, 1], attributes, 0),
+         Case([5, 1, "wheat", 1, 1, 1], attributes, 0),
+         Case([3, 0, "strawberry", 0, 1, 1], attributes, 0),
+         Case([3, 0, "sorrel", 0, 0, 1], attributes, 0),
+         Case([0, 0, "potato", 1, 1, 1], attributes, -1),
+         Case([4, 0, "strawberry", 1, 1, 1], attributes, 0),
+         Case([2, 1, "strawberry", 1, 0, 1], attributes, 0),
+         Case([2, 1, "wheat", 0, 0, 1], attributes, 0),
+         Case([2, 1, "sorrel", 1, 1, 0], attributes, 1),
+         Case([1, 0, "potato", 1, 0, 1], attributes, 0),
+         Case([4, 0, "strawberry", 1, 0, 0], attributes, 0),
+         Case([4, 1, "potato", 1, 1, 1], attributes, 0),
+         Case([0, 0, "strawberry", 1, 0, 1], attributes, -1),
+         Case([0, 1, "wheat", 0, 0, 0], attributes, 0),
+         Case([1, 1, "wheat", 0, 1, 0], attributes, 0),
+         Case([0, 0, "sorrel", 1, 1, 0], attributes, -1),
+         Case([2, 0, "sorrel", 0, 0, 1], attributes, 0),
+         Case([5, 1, "wheat", 1, 1, 1], attributes, 0),
+         Case([2, 0, "strawberry", 0, 1, 0], attributes, 0),
+         Case([2, 1, "wheat", 0, 0, 1], attributes, 0),
+         Case([3, 0, "potato", 1, 0, 1], attributes, 0),
+         Case([5, 0, "wheat", 1, 1, 1], attributes, 0),
+         Case([0, 1, "strawberry", 1, 0, 0], attributes, -1),
+         Case([0, 0, "wheat", 0, 0, 0], attributes, 0),
+         Case([5, 0, "potato", 1, 1, 0], attributes, 1),
+         Case([2, 0, "strawberry", 0, 1, 1], attributes, 0),
+         Case([3, 1, "sorrel", 0, 1, 0], attributes, 0),
+         Case([2, 1, "potato", 1, 1, 1], attributes, 0),
+         Case([5, 0, "strawberry", 1, 1, 0], attributes, 1),
+         Case([5, 0, "wheat", 0, 0, 0], attributes, 0),
+         Case([5, 0, "wheat", 1, 1, 0], attributes, 1),
+         Case([2, 0, "potato", 1, 0, 0], attributes, 0),
+         Case([3, 1, "wheat", 0, 1, 0], attributes, 0),
+         Case([3, 0, "potato", 1, 1, 1], attributes, 0),
+         Case([0, 1, "sorrel", 1, 1, 1], attributes, -1),
+         Case([0, 0, "strawberry", 1, 1, 1], attributes, -1),
+         Case([2, 1, "strawberry", 0, 1, 0], attributes, 0),
+         Case([0, 1, "sorrel", 1, 1, 0], attributes, -1),
+         Case([3, 0, "wheat", 0, 1, 1], attributes, 0),
+         Case([4, 0, "strawberry", 1, 0, 1], attributes, 0),
+         Case([3, 1, "potato", 0, 0, 1], attributes, 0),
+         Case([1, 1, "sorrel", 0, 0, 0], attributes, 0),
+         Case([5, 1, "wheat", 1, 0, 1], attributes, 0),
+         Case([5, 0, "potato", 1, 0, 1], attributes, 0),
+         Case([3, 0, "potato", 0, 0, 1], attributes, 0),
+         Case([1, 0, "wheat", 0, 1, 0], attributes, 0),
+         Case([5, 0, "sorrel", 0, 1, 1], attributes, 0),
+         Case([4, 0, "potato", 0, 1, 0], attributes, 0),
+         Case([0, 0, "strawberry", 0, 0, 0], attributes, 0),
+         Case([5, 0, "sorrel", 1, 1, 0], attributes, 1),
+         Case([4, 1, "sorrel", 0, 0, 0], attributes, 0),
+         Case([1, 1, "strawberry", 1, 1, 0], attributes, -1),
+         Case([5, 0, "strawberry", 1, 0, 0], attributes, 0),
+         Case([5, 1, "wheat", 0, 0, 0], attributes, 0),
+         Case([0, 1, "sorrel", 1, 1, 0], attributes, -1),
+         Case([3, 1, "potato", 1, 0, 1], attributes, 0),
+         Case([1, 0, "sorrel", 0, 0, 0], attributes, 0),
+         Case([3, 0, "wheat", 0, 1, 1], attributes, 0),
+         Case([0, 0, "wheat", 0, 0, 1], attributes, 0),
+         Case([1, 0, "potato", 0, 0, 0], attributes, 0),
+         Case([1, 1, "sorrel", 0, 1, 0], attributes, 0),
+         Case([0, 1, "strawberry", 0, 1, 0], attributes, 0),
+         Case([5, 1, "potato", 1, 0, 1], attributes, 0),
+         Case([2, 0, "strawberry", 1, 1, 1], attributes, 0),
+         Case([4, 1, "wheat", 1, 0, 0], attributes, 0),
+         Case([0, 1, "sorrel", 1, 1, 0], attributes, -1),
+         Case([1, 0, "strawberry", 1, 1, 1], attributes, -1),
+         Case([4, 0, "wheat", 0, 0, 0], attributes, 0),
+         Case([4, 0, "strawberry", 0, 1, 0], attributes, 0),
+         Case([0, 0, "sorrel", 1, 0, 1], attributes, -1),
+         Case([1, 0, "strawberry", 0, 1, 0], attributes, 0),
+         Case([0, 0, "strawberry", 1, 1, 1], attributes, -1),
+         Case([2, 1, "potato", 0, 0, 0], attributes, 0),
+         Case([3, 1, "strawberry", 1, 1, 0], attributes, 1),
+         Case([1, 0, "sorrel", 1, 1, 1], attributes, 0),
+         Case([5, 1, "strawberry", 1, 1, 0], attributes, 1),
+         Case([2, 0, "wheat", 1, 1, 1], attributes, 0),
+         Case([5, 1, "strawberry", 0, 1, 0], attributes, 0),
+         Case([1, 1, "wheat", 0, 1, 1], attributes, 0),
+         Case([1, 1, "potato", 0, 1, 0], attributes, 0),
+         Case([4, 0, "potato", 1, 1, 0], attributes, 1),
+         Case([2, 1, "strawberry", 0, 0, 1], attributes, 0),
+         Case([0, 1, "potato", 0, 0, 1], attributes, 0),
+         Case([3, 0, "sorrel", 1, 0, 1], attributes, 0),
+         Case([4, 0, "wheat", 1, 0, 1], attributes, 0),
+         Case([5, 1, "sorrel", 1, 0, 0], attributes, 0),
+         Case([1, 0, "sorrel", 1, 0, 0], attributes, 0),
+         Case([5, 0, "sorrel", 1, 0, 1], attributes, 0),
+         Case([2, 1, "potato", 1, 0, 1], attributes, 0),
+         Case([1, 0, "potato", 1, 1, 1], attributes, 0),
+         Case([4, 0, "wheat", 1, 1, 0], attributes, 1),
+         Case([0, 0, "sorrel", 0, 1, 0], attributes, 0),
+         Case([2, 0, "wheat", 0, 0, 1], attributes, 0),
+         Case([0, 1, "potato", 1, 0, 1], attributes, -1),
+         Case([0, 1, "sorrel", 1, 0, 1], attributes, -1),
+         Case([1, 1, "potato", 0, 0, 1], attributes, 0),
+         Case([3, 0, "sorrel", 1, 1, 1], attributes, 0),
+         Case([0, 0, "potato", 1, 0, 1], attributes, -1),
+         Case([4, 0, "potato", 0, 0, 1], attributes, 0),
+         Case([0, 0, "strawberry", 1, 0, 0], attributes, -1),
+         Case([0, 0, "strawberry", 1, 1, 1], attributes, -1),
+         Case([5, 0, "potato", 0, 1, 1], attributes, 0),
+         Case([2, 0, "potato", 0, 0, 0], attributes, 0),
+         Case([0, 1, "potato", 1, 0, 0], attributes, -1),
+         Case([1, 0, "potato", 0, 0, 1], attributes, 0),
+         Case([4, 0, "sorrel", 1, 0, 1], attributes, 0),
+         Case([1, 0, "potato", 1, 0, 0], attributes, 0),
+         Case([5, 1, "potato", 1, 0, 1], attributes, 0),
+         Case([2, 1, "wheat", 1, 0, 0], attributes, 0),
+         Case([0, 1, "potato", 1, 1, 1], attributes, -1),
+         Case([5, 1, "strawberry", 0, 1, 0], attributes, 0),
+         Case([3, 0, "strawberry", 0, 1, 1], attributes, 0),
+         Case([3, 0, "strawberry", 1, 0, 0], attributes, 0),
+         Case([0, 1, "strawberry", 0, 0, 1], attributes, 0),
+         Case([0, 1, "wheat", 0, 0, 0], attributes, 0),
+         Case([0, 1, "strawberry", 1, 0, 0], attributes, -1),
+         Case([1, 0, "potato", 0, 0, 1], attributes, 0),
+         Case([1, 1, "wheat", 0, 0, 0], attributes, 0),
+         Case([0, 1, "strawberry", 1, 0, 1], attributes, -1),
+         Case([1, 1, "potato", 0, 0, 1], attributes, 0),
+         Case([0, 0, "wheat", 0, 0, 1], attributes, 0),
+         Case([4, 1, "sorrel", 1, 1, 1], attributes, 0),
+         Case([5, 1, "wheat", 0, 0, 1], attributes, 0),
+         Case([5, 1, "strawberry", 0, 0, 0], attributes, 0),
+         Case([4, 1, "wheat", 0, 0, 1], attributes, 0),
+         Case([1, 1, "sorrel", 0, 0, 0], attributes, 0),
+         Case([1, 1, "potato", 1, 1, 0], attributes, 0),
+         Case([0, 1, "sorrel", 1, 0, 0], attributes, -1),
+         Case([5, 0, "sorrel", 1, 0, 0], attributes, 0),
+         Case([0, 0, "strawberry", 1, 1, 1], attributes, -1),
+         Case([0, 0, "potato", 0, 0, 0], attributes, 0),
+         Case([0, 0, "strawberry", 1, 1, 1], attributes, -1),
+         Case([4, 0, "strawberry", 0, 0, 1], attributes, 0),
+         Case([2, 0, "potato", 1, 0, 0], attributes, 0),
+         Case([4, 0, "strawberry", 0, 0, 0], attributes, 0),
+         Case([0, 1, "strawberry", 0, 1, 1], attributes, 0),
+         Case([1, 1, "wheat", 1, 1, 0], attributes, 0),
+         Case([3, 0, "potato", 0, 1, 0], attributes, 0),
+         Case([1, 1, "wheat", 0, 1, 0], attributes, 0),
+         Case([1, 1, "sorrel", 0, 0, 1], attributes, 0),
+         Case([3, 1, "wheat", 0, 0, 0], attributes, 0),
+         Case([3, 1, "wheat", 0, 0, 0], attributes, 0),
+         Case([1, 0, "wheat", 0, 1, 1], attributes, 0),
+         Case([5, 1, "potato", 1, 0, 1], attributes, 0),
+         Case([5, 0, "wheat", 0, 0, 1], attributes, 0),
+         Case([2, 1, "sorrel", 0, 1, 0], attributes, 0),
+         Case([5, 0, "sorrel", 1, 0, 0], attributes, 0),
+         Case([1, 0, "potato", 1, 1, 1], attributes, 0),
+         Case([5, 1, "wheat", 1, 1, 0], attributes, 1),
+         Case([3, 1, "sorrel", 0, 0, 0], attributes, 0),
+         Case([5, 0, "wheat", 0, 0, 1], attributes, 0),
+         Case([2, 0, "strawberry", 0, 1, 1], attributes, 0),
+         Case([1, 0, "potato", 1, 1, 1], attributes, 0),
+         Case([0, 1, "sorrel", 0, 0, 0], attributes, 0),
+         Case([5, 1, "potato", 1, 1, 0], attributes, 1),
+         Case([2, 0, "wheat", 0, 1, 0], attributes, 0),
+         Case([3, 0, "strawberry", 0, 1, 1], attributes, 0),
+         Case([3, 0, "potato", 1, 1, 0], attributes, 0),
+         Case([1, 1, "potato", 0, 0, 0], attributes, 0),
+         Case([2, 1, "potato", 0, 1, 0], attributes, 0),
+         Case([2, 1, "wheat", 0, 1, 0], attributes, 0),
+         Case([2, 0, "sorrel", 1, 1, 0], attributes, 1),
+         Case([3, 0, "strawberry", 0, 1, 1], attributes, 0),
+         Case([2, 0, "wheat", 1, 1, 1], attributes, 0),
+         Case([5, 0, "wheat", 1, 1, 0], attributes, 1),
+         Case([1, 1, "sorrel", 0, 0, 0], attributes, 0),
+         Case([0, 1, "potato", 0, 0, 0], attributes, 0),
+         Case([5, 1, "strawberry", 1, 1, 1], attributes, 0),
+         Case([4, 1, "wheat", 1, 0, 0], attributes, 0),
+         Case([5, 1, "sorrel", 0, 0, 1], attributes, 0),
+         Case([1, 1, "wheat", 1, 0, 0], attributes, 0),
+         Case([5, 0, "strawberry", 1, 0, 1], attributes, 0),
+         Case([5, 0, "wheat", 1, 0, 1], attributes, 0),
+         Case([2, 0, "potato", 1, 0, 1], attributes, 0),
+         Case([3, 1, "wheat", 1, 0, 0], attributes, 0),
+         Case([0, 1, "strawberry", 1, 0, 0], attributes, -1),
+         Case([0, 1, "strawberry", 0, 1, 1], attributes, 0),
+         Case([3, 0, "wheat", 0, 1, 0], attributes, 0),
+         Case([4, 1, "potato", 1, 1, 1], attributes, 0),
+         Case([3, 0, "potato", 0, 0, 1], attributes, 0),
+         Case([2, 1, "strawberry", 1, 1, 0], attributes, 0),
+         Case([1, 1, "sorrel", 0, 0, 0], attributes, 0),
+         Case([4, 1, "wheat", 1, 0, 1], attributes, 0),
+         Case([2, 0, "potato", 0, 1, 0], attributes, 0),
+         Case([5, 0, "sorrel", 0, 1, 1], attributes, 0),
+         Case([0, 1, "wheat", 1, 1, 0], attributes, -1),
+         Case([5, 1, "wheat", 1, 0, 0], attributes, 0),
+         Case([2, 0, "potato", 0, 0, 0], attributes, 0),
+         Case([2, 0, "strawberry", 0, 1, 1], attributes, 0),
+         Case([4, 1, "potato", 0, 1, 1], attributes, 0),
+         Case([0, 1, "sorrel", 1, 1, 0], attributes, -1),
+         Case([1, 1, "strawberry", 1, 0, 1], attributes, -1),
+         Case([3, 0, "sorrel", 1, 1, 0], attributes, 1),
+         Case([5, 1, "wheat", 1, 0, 0], attributes, 0),
+         Case([4, 0, "sorrel", 1, 1, 0], attributes, 1),
+         Case([2, 1, "sorrel", 1, 0, 0], attributes, 0),
+         Case([0, 1, "wheat", 0, 1, 0], attributes, 0),
+         Case([5, 0, "potato", 1, 1, 0], attributes, 1),
+         Case([3, 1, "strawberry", 0, 1, 0], attributes, 0),
+         Case([5, 1, "strawberry", 0, 0, 0], attributes, 0),
+         Case([4, 1, "potato", 1, 1, 1], attributes, 0),
+         Case([5, 1, "potato", 1, 0, 1], attributes, 0),
+         Case([5, 1, "potato", 1, 1, 1], attributes, 0),
+         Case([0, 0, "sorrel", 0, 0, 0], attributes, 0),
+         Case([1, 1, "sorrel", 1, 1, 0], attributes, 1),
+         Case([0, 1, "potato", 0, 1, 0], attributes, 0),
+         Case([4, 1, "strawberry", 1, 1, 1], attributes, 0),
+         Case([0, 0, "wheat", 0, 1, 1], attributes, 0),
+         Case([3, 0, "wheat", 1, 1, 0], attributes, 1)]
diff --git a/colors.py b/src/colors.py
similarity index 92%
rename from colors.py
rename to src/colors.py
index 9d96429..603711b 100644
--- a/colors.py
+++ b/src/colors.py
@@ -6,6 +6,7 @@ BROWN1 = (160, 130, 70)
 BROWN2 = (140, 110, 55)
 BROWN3 = (110, 85, 40)
 BROWN4 = (80, 60, 20)
+BROWN5 = (80, 60, 20)
 DBROWN = (65, 50, 20)
 LBROWN = (108, 97, 62)
 BLUE = (18, 93, 156)
diff --git a/dimensions.py b/src/dimensions.py
similarity index 95%
rename from dimensions.py
rename to src/dimensions.py
index 8983dab..833dfb4 100644
--- a/dimensions.py
+++ b/src/dimensions.py
@@ -1,13 +1,13 @@
-# Grid size
-GSIZE = 10
-
-# This sets the WIDTH and HEIGHT of each grid location
-WIDTH = 35
-HEIGHT = 35
-
-# This sets the margin between each cell
-MARGIN = 5
-
-# Window size
-SCREEN_WIDTH = GSIZE * (WIDTH + MARGIN) + MARGIN
-SCREEN_HEIGHT = GSIZE * (HEIGHT + MARGIN) + MARGIN
+# Grid size
+GSIZE = 10
+
+# This sets the WIDTH and HEIGHT of each grid location
+WIDTH = 35
+HEIGHT = 35
+
+# This sets the margin between each cell
+MARGIN = 5
+
+# Window size
+SCREEN_WIDTH = GSIZE * (WIDTH + MARGIN) + MARGIN
+SCREEN_HEIGHT = GSIZE * (HEIGHT + MARGIN) + MARGIN
diff --git a/src/mapschema.py b/src/mapschema.py
new file mode 100644
index 0000000..0403d45
--- /dev/null
+++ b/src/mapschema.py
@@ -0,0 +1,28 @@
+def createField():
+    field = [["soil", "soil", "soil", "soil", "soil", "soil", "rocks", "soil", "soil", "soil"],
+             ["soil", "soil", "soil", "soil", "soil", "soil", "rocks", "soil", "soil", "soil"],
+             ["soil", "soil", "soil", "soil", "soil", "road", "road", "road", "road", "road"],
+             ["rocks", "rocks", "rocks", "rocks", "soil", "road", "soil", "soil", "rocks", "soil"],
+             ["soil", "soil", "soil", "soil", "soil", "road", "rocks", "rocks", "soil", "soil"],
+             ["soil", "soil", "soil", "pond", "rocks", "road", "rocks", "soil", "soil", "rocks"],
+             ["rocks", "pond", "pond", "pond", "pond", "road", "rocks", "soil", "soil", "rocks"],
+             ["road", "road", "road", "road", "road", "road", "rocks", "soil", "soil", "soil"],
+             ["soil", "soil", "soil", "soil", "soil", "soil", "rocks", "soil", "rocks", "rocks"],
+             ["soil", "soil", "soil", "soil", "soil", "rocks", "soil", "rocks", "rocks", "soil"]
+             ]
+    return field
+
+
+def createPlants():
+    field = [["wheat", "wheat", "wheat", "wheat", "wheat", "wheat", 0, "strawberry", "strawberry", "strawberry"],
+             ["wheat", "wheat", "wheat", "wheat", "wheat", "wheat", 0, "strawberry", "strawberry", "strawberry"],
+             ["wheat", "wheat", "wheat", "wheat", 0, 0, 0, 0, 0, 0],
+             [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+             ["wheat", "wheat", "wheat", "wheat", 0, 0, 0, 0, 0, 0],
+             ["wheat", "wheat", "wheat", 0, 0, 0, 0, "potato", "potato", 0],
+             [0, 0, 0, 0, 0, 0, 0, "potato", "potato", 0],
+             [0, 0, 0, 0, 0, 0, 0, "potato", "potato", "potato"],
+             ["strawberry", "strawberry", "strawberry", "strawberry", "strawberry", 0, 0, "potato", 0, 0],
+             ["strawberry", "strawberry", "strawberry", "strawberry", "strawberry", 0, 0, 0, 0, 0]
+             ]
+    return field
diff --git a/sprites.py b/src/sprites.py
similarity index 99%
rename from sprites.py
rename to src/sprites.py
index 2aafd8b..2d211a0 100644
--- a/sprites.py
+++ b/src/sprites.py
@@ -1,4 +1,5 @@
 import os
+
 import pygame
 
 # set up asset folders
diff --git a/sprites/plant0.png b/src/sprites/plant0.png
similarity index 100%
rename from sprites/plant0.png
rename to src/sprites/plant0.png
diff --git a/sprites/plant1.png b/src/sprites/plant1.png
similarity index 100%
rename from sprites/plant1.png
rename to src/sprites/plant1.png
diff --git a/sprites/plant2.png b/src/sprites/plant2.png
similarity index 100%
rename from sprites/plant2.png
rename to src/sprites/plant2.png
diff --git a/sprites/plant3.png b/src/sprites/plant3.png
similarity index 100%
rename from sprites/plant3.png
rename to src/sprites/plant3.png
diff --git a/sprites/potato0.png b/src/sprites/potato0.png
similarity index 100%
rename from sprites/potato0.png
rename to src/sprites/potato0.png
diff --git a/sprites/potato1.png b/src/sprites/potato1.png
similarity index 100%
rename from sprites/potato1.png
rename to src/sprites/potato1.png
diff --git a/sprites/potato2.png b/src/sprites/potato2.png
similarity index 100%
rename from sprites/potato2.png
rename to src/sprites/potato2.png
diff --git a/sprites/potato3.png b/src/sprites/potato3.png
similarity index 100%
rename from sprites/potato3.png
rename to src/sprites/potato3.png
diff --git a/sprites/strawberry0.png b/src/sprites/strawberry0.png
similarity index 100%
rename from sprites/strawberry0.png
rename to src/sprites/strawberry0.png
diff --git a/sprites/strawberry1.png b/src/sprites/strawberry1.png
similarity index 100%
rename from sprites/strawberry1.png
rename to src/sprites/strawberry1.png
diff --git a/sprites/strawberry2.png b/src/sprites/strawberry2.png
similarity index 100%
rename from sprites/strawberry2.png
rename to src/sprites/strawberry2.png
diff --git a/sprites/strawberry3.png b/src/sprites/strawberry3.png
similarity index 100%
rename from sprites/strawberry3.png
rename to src/sprites/strawberry3.png
diff --git a/sprites/tractor0.png b/src/sprites/tractor0.png
similarity index 100%
rename from sprites/tractor0.png
rename to src/sprites/tractor0.png
diff --git a/sprites/tractor1.png b/src/sprites/tractor1.png
similarity index 100%
rename from sprites/tractor1.png
rename to src/sprites/tractor1.png
diff --git a/sprites/tractor2.png b/src/sprites/tractor2.png
similarity index 100%
rename from sprites/tractor2.png
rename to src/sprites/tractor2.png
diff --git a/sprites/tractor3.png b/src/sprites/tractor3.png
similarity index 100%
rename from sprites/tractor3.png
rename to src/sprites/tractor3.png
diff --git a/sprites/wheat0.png b/src/sprites/wheat0.png
similarity index 100%
rename from sprites/wheat0.png
rename to src/sprites/wheat0.png
diff --git a/sprites/wheat1.png b/src/sprites/wheat1.png
similarity index 100%
rename from sprites/wheat1.png
rename to src/sprites/wheat1.png
diff --git a/sprites/wheat2.png b/src/sprites/wheat2.png
similarity index 100%
rename from sprites/wheat2.png
rename to src/sprites/wheat2.png
diff --git a/sprites/wheat3.png b/src/sprites/wheat3.png
similarity index 100%
rename from sprites/wheat3.png
rename to src/sprites/wheat3.png
diff --git a/test/0_100.jpg b/src/test/0_100.jpg
similarity index 100%
rename from test/0_100.jpg
rename to src/test/0_100.jpg
diff --git a/test/1_100.jpg b/src/test/1_100.jpg
similarity index 100%
rename from test/1_100.jpg
rename to src/test/1_100.jpg
diff --git a/test/4_100.jpg b/src/test/4_100.jpg
similarity index 100%
rename from test/4_100.jpg
rename to src/test/4_100.jpg
diff --git a/test/5_100.jpg b/src/test/5_100.jpg
similarity index 100%
rename from test/5_100.jpg
rename to src/test/5_100.jpg
diff --git a/train/apple/156_100.jpg b/src/train/apple/156_100.jpg
similarity index 100%
rename from train/apple/156_100.jpg
rename to src/train/apple/156_100.jpg
diff --git a/train/apple/165_100.jpg b/src/train/apple/165_100.jpg
similarity index 100%
rename from train/apple/165_100.jpg
rename to src/train/apple/165_100.jpg
diff --git a/train/apple/18_100.jpg b/src/train/apple/18_100.jpg
similarity index 100%
rename from train/apple/18_100.jpg
rename to src/train/apple/18_100.jpg
diff --git a/train/apple/31_100.jpg b/src/train/apple/31_100.jpg
similarity index 100%
rename from train/apple/31_100.jpg
rename to src/train/apple/31_100.jpg
diff --git a/train/apple/r_105_100.jpg b/src/train/apple/r_105_100.jpg
similarity index 100%
rename from train/apple/r_105_100.jpg
rename to src/train/apple/r_105_100.jpg
diff --git a/train/apple/r_118_100.jpg b/src/train/apple/r_118_100.jpg
similarity index 100%
rename from train/apple/r_118_100.jpg
rename to src/train/apple/r_118_100.jpg
diff --git a/train/apple/r_120_100.jpg b/src/train/apple/r_120_100.jpg
similarity index 100%
rename from train/apple/r_120_100.jpg
rename to src/train/apple/r_120_100.jpg
diff --git a/train/apple/r_140_100.jpg b/src/train/apple/r_140_100.jpg
similarity index 100%
rename from train/apple/r_140_100.jpg
rename to src/train/apple/r_140_100.jpg
diff --git a/train/apple/r_157_100.jpg b/src/train/apple/r_157_100.jpg
similarity index 100%
rename from train/apple/r_157_100.jpg
rename to src/train/apple/r_157_100.jpg
diff --git a/train/apple/r_15_100.jpg b/src/train/apple/r_15_100.jpg
similarity index 100%
rename from train/apple/r_15_100.jpg
rename to src/train/apple/r_15_100.jpg
diff --git a/train/potato/143_100.jpg b/src/train/potato/143_100.jpg
similarity index 100%
rename from train/potato/143_100.jpg
rename to src/train/potato/143_100.jpg
diff --git a/train/potato/145_100.jpg b/src/train/potato/145_100.jpg
similarity index 100%
rename from train/potato/145_100.jpg
rename to src/train/potato/145_100.jpg
diff --git a/train/potato/156_100.jpg b/src/train/potato/156_100.jpg
similarity index 100%
rename from train/potato/156_100.jpg
rename to src/train/potato/156_100.jpg
diff --git a/train/potato/21_100.jpg b/src/train/potato/21_100.jpg
similarity index 100%
rename from train/potato/21_100.jpg
rename to src/train/potato/21_100.jpg
diff --git a/train/potato/r2_146_100.jpg b/src/train/potato/r2_146_100.jpg
similarity index 100%
rename from train/potato/r2_146_100.jpg
rename to src/train/potato/r2_146_100.jpg
diff --git a/train/potato/r2_175_100.jpg b/src/train/potato/r2_175_100.jpg
similarity index 100%
rename from train/potato/r2_175_100.jpg
rename to src/train/potato/r2_175_100.jpg
diff --git a/train/potato/r2_9_100.jpg b/src/train/potato/r2_9_100.jpg
similarity index 100%
rename from train/potato/r2_9_100.jpg
rename to src/train/potato/r2_9_100.jpg
diff --git a/train/potato/r_133_100.jpg b/src/train/potato/r_133_100.jpg
similarity index 100%
rename from train/potato/r_133_100.jpg
rename to src/train/potato/r_133_100.jpg
diff --git a/train/potato/r_191_100.jpg b/src/train/potato/r_191_100.jpg
similarity index 100%
rename from train/potato/r_191_100.jpg
rename to src/train/potato/r_191_100.jpg
diff --git a/train/potato/r_77_100.jpg b/src/train/potato/r_77_100.jpg
similarity index 100%
rename from train/potato/r_77_100.jpg
rename to src/train/potato/r_77_100.jpg
diff --git a/tractor.py b/tractor.py
index 8ba6bc4..e090c10 100644
--- a/tractor.py
+++ b/tractor.py
@@ -1,20 +1,8 @@
-import pygame
+from pygame.locals import (K_c)
 
-from pygame.locals import (
-    K_UP,
-    K_DOWN,
-    K_LEFT,
-    K_RIGHT,
-    K_ESCAPE,
-    K_SPACE,
-    K_c,
-    KEYDOWN,
-    QUIT
-)
+from src.dimensions import *
+from src.sprites import *
 
-from dimensions import *
-from colors import *
-from sprites import *
 
 class Tractor(pygame.sprite.Sprite):
     def __init__(self, field, position):
@@ -27,33 +15,32 @@ class Tractor(pygame.sprite.Sprite):
             topleft=((MARGIN + WIDTH) * self.position[0] + MARGIN, (MARGIN + HEIGHT) * self.position[1] + MARGIN))
         self.direction = [1, 0]
         self.field[self.position[0]][self.position[1]].tractor_there = True
-        
+
     def move(self):
         self.field[self.position[0]][self.position[1]].tractor_there = False
-        self.rect.move_ip(self.direction[0]*(WIDTH + MARGIN), self.direction[1]*(HEIGHT + MARGIN))
+        self.rect.move_ip(self.direction[0] * (WIDTH + MARGIN), self.direction[1] * (HEIGHT + MARGIN))
         self.position[0] += self.direction[0]
         self.position[1] += self.direction[1]
         if self.position[0] >= GSIZE:
-            self.position[0] = GSIZE-1
+            self.position[0] = GSIZE - 1
         if self.position[1] >= GSIZE:
-            self.position[1] = GSIZE-1
+            self.position[1] = GSIZE - 1
         if self.position[0] < 0:
             self.position[0] = 0
         if self.position[1] < 0:
             self.position[1] = 0
 
         if self.rect.top <= MARGIN:
-                self.rect.top = MARGIN
-        if self.rect.bottom >= SCREEN_HEIGHT-MARGIN:
-                self.rect.bottom = SCREEN_HEIGHT-MARGIN
+            self.rect.top = MARGIN
+        if self.rect.bottom >= SCREEN_HEIGHT - MARGIN:
+            self.rect.bottom = SCREEN_HEIGHT - MARGIN
         if self.rect.left < MARGIN:
-                self.rect.left = MARGIN
-        if self.rect.right > SCREEN_WIDTH-MARGIN:
-                self.rect.right = SCREEN_WIDTH-MARGIN
-        
+            self.rect.left = MARGIN
+        if self.rect.right > SCREEN_WIDTH - MARGIN:
+            self.rect.right = SCREEN_WIDTH - MARGIN
+
         self.field[self.position[0]][self.position[1]].tractor_there = True
 
-    
     def rotate_right(self):
         if self.direction == [1, 0]:
             self.direction = [0, 1]