Changeset 17:b0644173d0aa

Timestamp:

09/01/13 12:36:18 (8 years ago)

Author:

Stefano Rivera <stefano@…>

Branch:

default

Phase:

public

Message:

Image loading

File:

• nagslang/data.py (modified) (2 diffs)

nagslang/data.py

@@ -2 +2 @@
 
 Loads data files from the "data" directory shipped with a game.
-
-Enhancing this to handle caching etc. is left as an exercise for the reader.
-
-Note that pyglet users should probably just add the data directory to the
-pyglet.resource search path.
 '''
 
 import os
+
+import pygame
 
 data_py = os.path.abspath(os.path.dirname(__file__))
@@ -29 +26 @@
     '''
     return open(os.path.join(data_dir, filename), mode)
+
+
+IMAGES = {}
+MUTATED_IMAGES = {}
+
+
+def load_image(filename, mutators=()):
+    if filename not in IMAGES:
+        image = pygame.image.load(filepath(filename))
+        image = image.convert_alpha(pygame.display.get_surface())
+        IMAGES[filename] = image
+
+    key = (filename, mutators)
+    if key not in MUTATED_IMAGES:
+        image = IMAGES[filename]
+        for mutator in mutators:
+            image = mutator(image)
+        MUTATED_IMAGES[key] = image
+
+    return MUTATED_IMAGES[key]