initial sprite animation support

eb_objects.py

@@ -1,10 +1,12 @@
-from common import dataclass
+from common import dataclass, field
+
 
 @dataclass
 class Object:    
     id: str
     name: str 
-    sprite: str
+    sprite_name: str
+    sprite_state: int = 0
 
 @dataclass
 class Terrain(Object):
@@ -13,6 +15,9 @@ class Terrain(Object):
 @dataclass
 class Creature(Object):
     pass
+    #actions
+    #tasks
+    #items
 
 @dataclass
 class Item(Object):