Document windows 7 permissions workaround

[tabakrolletjie.git] / tabakrolletjie / loader.py

diff --git a/tabakrolletjie/loader.py b/tabakrolletjie/loader.py
index 252960b42b90e9850206dc215d3a8a8e551c24b4..4ad1d585787be3cc944575c723708056db76eb8b 100644 (file)
--- a/tabakrolletjie/loader.py
+++ b/tabakrolletjie/loader.py
@@ -6,13 +6,17 @@ import os
 import pygame.image
 import pygame.font
 import pygame.display
+import pygame.mixer
 
 from .constants import DEBUG
+from .transforms import NullTransform
 
 
 class Loader(object):
     """ Load data files from beneath a prefix. """
 
+    NULL_TRANSFORM = NullTransform()
+
     def __init__(self, prefix):
         self._prefix = prefix
         self._cache = {}
@@ -32,16 +36,18 @@ class Loader(object):
         with self.open_file("stations", *parts) as f:
             return json.load(f)
 
-    def load_image(self, *parts):
+    def load_image(self, *parts, **kwargs):
         """Return a pygame surface of the requested image."""
         fn = self.full_path("images", *parts)
-        img = self._cache.get(fn, None)
+        transform = kwargs.pop("transform", self.NULL_TRANSFORM)
+        img = self._cache.get((fn, transform), None)
         if img is None:
             img = pygame.image.load(fn)
             # We assume pygame.display has been initialised
             # Fix this if that changes
             img.convert_alpha(pygame.display.get_surface())
-            self._cache[fn] = img
+            img = transform.apply(img)
+            self._cache[(fn, transform)] = img
         return img
 
     def load_font(self, *parts, **kwargs):
@@ -52,6 +58,15 @@ class Loader(object):
         # Do we need to cache this?
         return font
 
+    def load_sound(self, *parts):
+        """Return a pygame sound"""
+        fn = self.full_path("sounds", *parts)
+        sound = self._cache.get(fn, None)
+        if not sound:
+            sound = pygame.mixer.Sound(fn)
+            self._cache[fn] = sound
+        return sound
+
 
 _DATA_PREFIX = os.path.abspath(
     os.path.join(os.path.dirname(__file__), "..", "data"))