added module sprites.py

pocket_friends/game_files/surfaces/objects/sprites.py

@@ -0,0 +1,84 @@
+import pygame
+import json
+
+
+class SpriteSheet:
+    """
+    Imports a sprite sheet as separate pygame images given an image file and a json file.
+    """
+
+    def __init__(self, sprite_sheet, texture_json):
+        # Load in whole sprite sheet as one image.
+        self.sprite_sheet = pygame.image.load(sprite_sheet).convert_alpha()
+        self.images = []
+
+        # Get the sprite sheet json file.
+        with open(texture_json, 'r') as json_file:
+            self.img_attrib = json.load(json_file)
+            json_file.close()
+
+        # Count for how many images have been added in the image list
+        image_count = 0
+
+        # Get the sprite size as a tuple
+        sprite_size = self.img_attrib['width'], self.img_attrib['height']
+
+        # Iterate through every image location on the sprite sheet given the sprite size
+        for i in range(self.sprite_sheet.get_size()[1] // sprite_size[1]):
+            i *= sprite_size[1]
+            for j in range(self.sprite_sheet.get_size()[0] // sprite_size[0]):
+                j *= sprite_size[0]
+
+                # Create a new transparent surface
+                sprite = pygame.Surface(sprite_size, pygame.SRCALPHA)
+                # Blit the sprite onto the image
+                sprite.blit(self.sprite_sheet, (0, 0), (j, i, sprite_size[0], sprite_size[1]))
+                # Add the image to the list of images
+                self.images.append(sprite)
+
+                image_count += 1
+
+                # Break the loop if the specified number of frames has been reached.
+                if image_count >= self.img_attrib['frames']:
+                    break
+            if image_count >= self.img_attrib['frames']:
+                break
+
+
+class SelectionEgg(pygame.sprite.Sprite):
+    """
+    Class for the eggs on the egg selection screen.
+    """
+
+    def __init__(self, egg_color, resources_dir):
+        pygame.sprite.Sprite.__init__(self)
+
+        self.egg_color = egg_color
+
+        # Loads the JSON file of the egg to read in data.
+        with open(resources_dir + '/data/bloop_info/{0}.json'.format(egg_color), 'r') as save_file:
+            json_file = json.load(save_file)
+            save_file.close()
+
+        # Gets the description off the egg from the JSON file.
+        self.description = json_file.get('description')
+        self.contentedness = json_file.get('contentedness')
+        self.metabolism = json_file.get('metabolism')
+
+        # Load the egg from the given color and get the bounding rectangle for the image.
+        sprite_sheet = SpriteSheet(resources_dir + '/images/bloops/{0}/egg.png'.format(self.egg_color),
+                                   resources_dir + '/resources/images/bloops/{0}/egg.json'.format(self.egg_color))
+        self.images = sprite_sheet.images
+
+        # Get the rectangle from the first image in the list
+        self.rect = self.images[0].get_rect()
+        self.index = 0
+        self.image = self.images[self.index]
+
+    def update(self):
+        """
+        Updates the sprite object.
+        """
+        # Animate the sprite
+        self.index = (self.index + 1) % len(self.images)
+        self.image = self.images[self.index]