Add image cache manager

synergine2_cocos2d/actor.py

 from synergine2.simulation import Subject
 from synergine2_cocos2d.animation import AnimatedInterface
 from synergine2_cocos2d.util import PathManager
+from synergine2_xyz.image import ImageCacheManager
 
 
 class Actor(AnimatedInterface, cocos.sprite.Sprite):
         self.properties = properties or {}
         self._freeze = False
 
+        self.default_image_path = image_path
+        self.image_cache = self.get_image_cache_manager()
+        self.image_cache.build()
+
+    def get_image_cache_manager(self) -> ImageCacheManager:
+        return ImageCacheManager(self, self.config)
+
     def build_default_image(self, subject_id: int, base_image_path: str) -> str:
         cache_dir = self.config.resolve('global.cache_dir_path')
         with open(base_image_path, 'rb') as base_image_file:

synergine2_xyz/image.py

+# coding: utf-8
+import typing
+
+from synergine2.config import Config
+
+if typing.TYPE_CHECKING:
+    from synergine2_cocos2d.actor import Actor
+
+class ImageCache(object):
+    def __init__(self) -> None:
+        self.cache = {}
+
+
+class ImageCacheManager(object):
+    def __init__(
+        self,
+        actor: 'Actor',
+        config: Config,
+    ) -> None:
+        self.config = config
+        self.actor = actor
+
+    def build(self) -> None:
+        pass