From fc47c697dfde48fec64784ade5220fffdb69fa09 Mon Sep 17 00:00:00 2001
From: Marcin Kostrzewski <komar86311@gmail.com>
Date: Sat, 9 May 2020 22:03:36 +0200
Subject: [PATCH] Added more comments

---
 src/game/Game.py | 35 ++++++++++++++++++++++++++++-------
 1 file changed, 28 insertions(+), 7 deletions(-)

diff --git a/src/game/Game.py b/src/game/Game.py
index e714727..b0efc04 100644
--- a/src/game/Game.py
+++ b/src/game/Game.py
@@ -12,11 +12,13 @@ from src.entities.Player import Player
 from src.game.Timer import Timer
 
 
+# Main Game class
 class Game:
     def __init__(self, filesPath):
         self.running = True
         print("Loading configuration...", end=" ")
 
+        # Load config params from file
         try:
             configFolder = Path(str(filesPath) + "/data/config/")
             configFile = configFolder / "mainConfig.json"
@@ -40,8 +42,14 @@ class Game:
             print("The screen cannot be in a vertical orientation. Exiting...")
             exit(1)
 
+        # Initialize screen
+        self.screen = Screen(self, self.config["window"])
+        print("OK")
+
         # Initialize timers
+        # PyGame timer - precise timer, counts milliseconds every frame
         self.pgTimer = pygame.time.Clock()
+        # Virtual timer to track in-game time
         self.ingameTimer = Timer()
         self.ingameTimer.startClock()
 
@@ -51,42 +59,55 @@ class Game:
         self.moveTimer = 0
         self.moveTime = 100
 
+        # Load map data from file
+        try:
+            mapFile = Path(str(filesPath) + "/data/mapdata/")
+        except IOError:
+            print("Could not load map data. Exiting...")
+            exit(1)
 
-        self.screen = Screen(self, self.config["window"])
-        print("OK")
-
-        mapFile = Path(str(filesPath) + "/data/mapdata/")
+        # Initialize map object
         self.map = Map(path.join(mapFile, 'map.txt'), self.screen)
+
+        # Initialize the player
         self.player = Player((6, 2), self.map.tileSize)
         self.map.addEntity(self.player, DONTADD=True)
         self.eventManager = EventManager(self, self.player)
 
+        # A* algorithm
         self.movement = AutomaticMovement(self.player, self.map, self.screen.getUiWidth(Locations.LEFT_UI))
 
-
         testTarget = self.map.entities[0]
         if testTarget is self.player:
             testTarget = self.map.entities[1]
 
         self.movement.gotoToTarget(testTarget)
 
+        # Start game loop
         self.mainLoop()
 
     def mainLoop(self):
         while self.running:
-            # Update ingame clock
+            # Tick the timers
             self.ingameTimer.updateTime(self.pgTimer.tick())
 
             self.deltaTime = self.ingameTimer.timePassed - self.lastTimePassed
             self.lastTimePassed = self.ingameTimer.timePassed
 
-            self.spritesList.update()
+            # Handle all events
             self.eventManager.handleEvents()
 
+            # Call update() method for each entity
+            self.spritesList.update()
+
             if self.moveTimer > 0:
                 self.moveTimer -= self.deltaTime
             else:
                 self.movement.updatePlayerCoords()
                 self.moveTimer = self.moveTime
+
+            # Draw all sprites
             self.spritesList.draw(self.screen.pygameScreen)
+
+            # Flip the display
             pygame.display.flip()