renaming

marl_factory_grid/environment/entity/util.py

@@ -0,0 +1,45 @@
+import math
+
+import numpy as np
+
+from marl_factory_grid.environment.entity.mixin import BoundEntityMixin
+from marl_factory_grid.environment.entity.object import Object, EnvObject
+
+
+##########################################################################
+# ####################### Objects and Entitys ########################## #
+##########################################################################
+
+
+class PlaceHolder(Object):
+
+    def __init__(self, *args, fill_value=0, **kwargs):
+        super().__init__(*args, **kwargs)
+        self._fill_value = fill_value
+
+    @property
+    def can_collide(self):
+        return False
+
+    @property
+    def encoding(self):
+        return self._fill_value
+
+    @property
+    def name(self):
+        return "PlaceHolder"
+
+
+class GlobalPosition(BoundEntityMixin, EnvObject):
+
+    @property
+    def encoding(self):
+        if self._normalized:
+            return tuple(np.divide(self._bound_entity.pos, self._level_shape))
+        else:
+            return self.bound_entity.pos
+
+    def __init__(self, *args, normalized: bool = True, **kwargs):
+        super(GlobalPosition, self).__init__(*args, **kwargs)
+        self._level_shape = math.sqrt(self.size)
+        self._normalized = normalized