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Rules for building roach_management PNGs.
[koperkapel.git]
/
koperkapel
/
scenes
/
base.py
diff --git
a/koperkapel/scenes/base.py
b/koperkapel/scenes/base.py
index 19ba212fce407eb91047652b5a114ceed719284c..d0b9a951ae16c57e20e279560f54fd9ab8a7b7a4 100644
(file)
--- a/
koperkapel/scenes/base.py
+++ b/
koperkapel/scenes/base.py
@@
-110,22
+110,34
@@
class MoveViewportEvent(Event):
class Actors:
class Actors:
- """ A list of actors. """
+ """ A list of actors.
+
+ Actors may be rendered in different layers. Layers with lower levels
+ are rendered lower than layers with higher ones.
+ """
def __init__(self):
def __init__(self):
- self._actors = []
+ self._layer_order = []
+ self._layers = {}
+ self.add_layer("default", 0)
+
+ def add_layer(self, name, level):
+ self._layer_order.append((level, name))
+ self._layer_order.sort()
+ self._layers[name] = []
- def add(self, actor):
- self._
actors
.append(actor)
+ def add(self, actor
, layer="default"
):
+ self._
layers[layer]
.append(actor)
return actor
return actor
- def remove(self, actor):
- self._
actors
.remove(actor)
+ def remove(self, actor
, layer="default"
):
+ self._
layers[layer]
.remove(actor)
return actor
def draw(self, screen):
return actor
def draw(self, screen):
- for actor in self._actors:
- actor.draw() # TODO: allow an option screen to be passed in
+ for lvl, layer in self._layer_order:
+ for actor in self._layers[layer]:
+ actor.draw() # TODO: allow an option screen to be passed in
class Scene:
class Scene: