From c6b61e8f6956f7e18085e42f60f70f5bd10ebdc2 Mon Sep 17 00:00:00 2001
From: Wojciech Kubicki <wojt.kubicki@gmail.com>
Date: Sat, 27 Apr 2024 20:37:12 +0200
Subject: [PATCH] feat: store constants in .env for easier adjustments during
 presentations

---
 README.md      | 12 +++++++++++-
 src/config.py  | 12 +++++++++++-
 src/main.py    |  4 ++--
 src/tile.py    |  4 ++--
 src/tractor.py |  6 +++---
 5 files changed, 29 insertions(+), 9 deletions(-)

diff --git a/README.md b/README.md
index 6c0b8a43..876bdd77 100644
--- a/README.md
+++ b/README.md
@@ -13,8 +13,18 @@ pip install pytholog
 Stwórz plik `.env` w głównym folderze projektu o poniższej treści:
 
 ```
-# adjust TILE_SIZE to fit your screen well
+# window size
 TILE_SIZE=64
+
+# game speed
+TICK_RATE=10
+
+# coordinates of destination tile
+FINAL_X=15
+FINAL_Y=15
+
+# tiles without plants modifier
+FREE_TILES=2
 ```
 
 Uruchom środowisko używając komend:
diff --git a/src/config.py b/src/config.py
index ba4bf877..55d7c9d8 100644
--- a/src/config.py
+++ b/src/config.py
@@ -1,6 +1,16 @@
 import os
 from dotenv import find_dotenv, load_dotenv
 
-# you can set TILE_SIZE in the .env file to adjust the window size
 load_dotenv(find_dotenv())
+
+# window size
 TILE_SIZE = int(os.getenv("TILE_SIZE"))
+
+# game speed
+TICK_RATE = int(os.getenv("TICK_RATE"))
+
+# coordinates of destination tile 
+FINAL_X = int(os.getenv("FINAL_X"))
+FINAL_Y = int(os.getenv("FINAL_Y"))
+
+FREE_TILES = int(os.getenv("FREE_TILES"))
diff --git a/src/main.py b/src/main.py
index 66dd3ec6..17495ae0 100644
--- a/src/main.py
+++ b/src/main.py
@@ -2,7 +2,7 @@ import sys
 import pygame
 from field import Field
 import os
-from config import TILE_SIZE
+from config import TILE_SIZE, TICK_RATE
 
 if __name__ == "__main__":
     pygame.init()
@@ -24,4 +24,4 @@ if __name__ == "__main__":
         field.draw(screen) 
 
         pygame.display.flip()
-        pygame.time.Clock().tick(10)
+        pygame.time.Clock().tick(TICK_RATE)
diff --git a/src/tile.py b/src/tile.py
index 49753bbf..24d3c2e7 100644
--- a/src/tile.py
+++ b/src/tile.py
@@ -3,7 +3,7 @@ import pygame
 from kb import tractor_kb
 import pytholog as pl
 import random
-from config import TILE_SIZE
+from config import TILE_SIZE, FREE_TILES
 
 class Tile(pygame.sprite.Sprite):
 
@@ -16,7 +16,7 @@ class Tile(pygame.sprite.Sprite):
         self.field = field
 
         # temporary solution to have vegetables act as obstacles
-        if random.randint(1, 10) % 3 == 0:
+        if random.randint(1, 10) % FREE_TILES == 0:
             vegetables = tractor_kb.query(pl.Expr("warzywo(Nazwa_warzywa)"))
             random_vegetable = vegetables[random.randint(0, len(vegetables)-1)]['Nazwa_warzywa']
             self.set_type(random_vegetable)
diff --git a/src/tractor.py b/src/tractor.py
index c533f0b0..5291d943 100644
--- a/src/tractor.py
+++ b/src/tractor.py
@@ -2,7 +2,7 @@ import pygame
 import os
 from kb import ile_podlac, multi_sasiedzi
 from tile import Tile
-from config import TILE_SIZE
+from config import TILE_SIZE, FINAL_X, FINAL_Y
 from collections import deque
 import heapq
 import random
@@ -19,8 +19,8 @@ class Tractor(pygame.sprite.Sprite):
         self.direction = 'east'
         # TODO: enable tractor to start on other tile than (0,0)
         self.start = (0, 0)
-        self.final = (8, 14)
-        print('final target @', self.final[0], self.final[1])
+        self.final = (FINAL_X, FINAL_Y)
+        print('destination @', self.final[0], self.final[1])
         self.rect.topleft = (0, 0)
 
         self.water = 50