feat(layer): Implemented ObjectLayer casting

pytiled_parser/layer.py

@@ -7,8 +7,8 @@ import attr
 from typing_extensions import TypedDict
 
 from . import properties as properties_
+from . import tiled_object
 from .common_types import Color, OrderedPair, Size
-from .tiled_object import RawTiledObject, TiledObject
 
 
 @attr.s(auto_attribs=True, kw_only=True)
@@ -111,7 +111,7 @@ class ObjectLayer(Layer):
             for more info.
     """
 
-    tiled_objects: List[TiledObject]
+    tiled_objects: List[tiled_object.TiledObject]
 
     draw_order: Optional[str] = "topdown"
 
@@ -252,6 +252,7 @@ def _cast_tile_layer(raw_layer: RawLayer) -> TileLayer:
     Returns:
         TileLayer: The TileLayer created from raw_layer
     """
+
     tile_layer = TileLayer(**_get_common_attributes(raw_layer).__dict__)
 
     tile_layer.encoding = raw_layer["encoding"]
@@ -271,7 +272,24 @@ def _cast_tile_layer(raw_layer: RawLayer) -> TileLayer:
 
 
 def _cast_object_layer(raw_layer: RawLayer) -> ObjectLayer:
-    pass
+    """ Cast the raw_layer to an ObjectLayer.
+    
+    Args:
+        raw_layer: RawLayer to be casted to an ObjectLayer
+
+    Returns:
+        ObjectLayer: The ObjectLayer created from raw_layer
+    """
+
+    tiled_objects = []
+    for tiled_object_ in raw_layer["objects"]:
+        tiled_objects.append(tiled_object.cast(tiled_object_))
+
+    return ObjectLayer(
+        tiled_objects=tiled_objects,
+        draw_order=raw_layer["draworder"],
+        **_get_common_attributes(raw_layer).__dict__
+    )
 
 
 def _cast_image_layer(raw_layer: RawLayer) -> ImageLayer: