Updated entity class

src/entities/Entity.py

@@ -1,6 +1,37 @@
-class Entity:
+from pathlib import Path
+import pygame
+
+
+class Entity:
+    nextId = 1
+
+    def __init__(self, texture, pos):
+        self.image = texture
+        self.rect = self.image.get_rect()
+        self.rect.x = pos[0]
+        self.rect.y = pos[1]
+        self.id = self.getId()
+
+    # A method to return auto-incremented ID
+    def getId(self):
+        id = Entity.nextId
+        Entity.nextId += 1
+        return id
+
+    # A method that returns image and rect from a file
+    @staticmethod
+    def getTexture(textureName, tileSize):
+        texturesFolder = ""
+        textureFile = ""
+        try:
+            texturesFolder = Path("../data/images/entities")
+            textureFile = texturesFolder / textureName
+        except IOError:
+            print("Cannot load texture from " + texturesFolder + ". Exiting...")
+            exit(1)
+        image = pygame.image.load(str(textureFile)).convert_alpha()
+        image = pygame.transform.scale(image, (tileSize, tileSize))
+        rect = image.get_rect()
+        return image, rect
+
 
-    def __init__(self, texture, pos, id):
-        self.texture = texture
-        self.pos = pos
-        self.id = id