spawn random items, and try to put on map, but i still need to investigate why items are not correctly rendered on map

entities/items/item.py

@@ -1,28 +1,35 @@
 import random as _random
 from entities import resource as _resource
+from entities.items import syms as _isyms
 
 class BrSimItem(_resource.BrSimResource):
+  #XXX i don't know yet if we need to call this clas
+  # or we need to have subclasses that inherit this one
+  # for example class Weapon and class Medikit (or something else)
+  # this decision would change everything from Arena init
 
-  # test 
-  def __init__(self, item):
-    self.coord_x= 0
-    self.coord_y= 0
-    self.item= item
+  def __init__(self, item_id):
+    self.item= _isyms.ITEMS[item_id]
 
   def is_item(self):
     return True
 
-  def get_name(self):
-    return self.name
+  def get_data(self):
+    return self.item
 
-  def get_item_type(self):
-    return self.item_type
+  def get_name(self):
+    idata= self.get_data()
+    return idata['name']
 
   def get_weight(self):
-    return self.weight
+    idata= self.get_data()
+    return idata['weight']
 
   def is_weapon(self):
-    return False
+    idata= self.get_data()
+    return idata['is_weapon']
 
   def is_cure(self):
-    return False
+    #XXX not sure about it
+    # maybe we could have more item type, like foods, drink, poison...
+    return not self.is_weapon()