Document windows 7 permissions workaround

[tabakrolletjie.git] / tabakrolletjie / turnip.py

diff --git a/tabakrolletjie/turnip.py b/tabakrolletjie/turnip.py
index b53d451f3705a707a5ceec55bab04eb551bd4f43..b1bb5a4571f330027fe0b2ea74491636b60e1560 100644 (file)
--- a/tabakrolletjie/turnip.py
+++ b/tabakrolletjie/turnip.py
@@ -1,17 +1,46 @@
 # Brassica rapa extraterrestrialus, the common space turnip
 
+import pymunk
+import pymunk.pygame_util
+import pygame.display
+import pygame.transform
+
 from .loader import loader
+from .constants import TURNIP_CATEGORY, LIGHT_CATEGORY
 import random
 
+TURNIP_FILTER = pymunk.ShapeFilter(
+    mask=pymunk.ShapeFilter.ALL_MASKS ^ LIGHT_CATEGORY,
+    categories=TURNIP_CATEGORY)
+
+
+class TurnipInvalidPosition(Exception):
+    pass
+
+
 class Turnip(object):
 
     def __init__(self, **kwargs):
         self._age = kwargs.get('age', 0)
         self._pos = kwargs.get('pos', (0, 0))
+        space = kwargs.get('space', None)
+        self._rotation = 90 * (hash(tuple(self._pos)) % 4)
         self._update_image()
+        self.eaten = False  # Flag for boyd
+        self._body = pymunk.Body(0, 0, pymunk.Body.STATIC)
+        self._shape = pymunk.Circle(self._body, 24)
+        self._shape.filter = TURNIP_FILTER
+        self._body.position = pymunk.pygame_util.from_pygame(
+            self._pos, pygame.display.get_surface())
+        # Add a reference so space query can get the object
+        self._body.turnip = self
+        if space.shape_query(self._shape):
+            raise TurnipInvalidPosition()
+        space.add(self._body, self._shape)
 
     def _update_image(self):
-        self._image = loader.load_image('32', 'turnip%d.png' % (self._age + 1))
+        self._image = loader.load_image('48', 'turnip%d.png' % (self._age + 1))
+        self._image = pygame.transform.rotate(self._image, self._rotation)
 
     def render(self, surface):
         surface.blit(self._image, self._pos, None)
@@ -19,10 +48,16 @@ class Turnip(object):
     def serialize(self):
         return {'age': self._age, 'pos': self._pos}
 
+    def remove(self):
+        self._body.turnip = None
+        space = self._body.space
+        space.remove(self._body, self._shape)
+
     def grow(self):
         self._age += 1
         if self._age >= 3:
             # Mature, so harvest it for seeds
+            self.remove()
             return random.randint(1, 3)
         else:
             self._update_image()