areas; toggle

pgfw/Sprite.py

@@ -196,13 +196,14 @@ class Sprite(Animation):
             for frameset in self.framesets:
                 frameset.reverse()
 
-    def update(self):
+    def update(self, areas=None):
         Animation.update(self)
-        self.draw()
+        if self.get_current_frameset().length():
+            self.draw(areas)
 
-    def draw(self):
+    def draw(self, areas=None):
         for location in self.locations:
-            location.fader.draw()
+            location.fader.draw(areas)
 
 
 class Location(Rect):
@@ -238,6 +239,9 @@ class Location(Rect):
     def unhide(self):
         self.hidden = False
 
+    def toggle_hide_state(self):
+        self.hidden = not self.hidden
+
     def is_hidden(self):
         return self.hidden
 
@@ -280,7 +284,7 @@ class Fader(Surface):
                 self.start_time = self.time_filter.get_ticks()
                 self.fading_out = out
 
-    def draw(self):
+    def draw(self, areas=None):
         sprite = self.location.sprite
         if self.fade_remaining >= 0:
             self.update_alpha()
@@ -289,16 +293,24 @@ class Fader(Surface):
             frame.set_alpha(255)
             self.blit(frame, (0, 0))
             frame.set_alpha(sprite.alpha)
-            if not self.location.hidden:
-                self.blit_to_display(self)
+            if not self.location.is_hidden():
+                self.blit_to_display(self, areas)
         elif self.fade_remaining is None or self.get_alpha() >= sprite.alpha:
             if self.fade_remaining >= 0:
                 self.update_alpha()
-            if not self.location.hidden:
-                self.blit_to_display(sprite.get_current_frame())
+            if not self.location.is_hidden():
+                self.blit_to_display(sprite.get_current_frame(), areas)
 
-    def blit_to_display(self, frame):
-        self.location.sprite.display_surface.blit(frame, self.location)
+    def blit_to_display(self, frame, areas=None):
+        if not isinstance(areas, list):
+            areas = [areas]
+        for area in areas:
+            if area:
+                dest = area.left + self.location.left, \
+                       area.top + self.location.top
+            else:
+                dest = self.location
+            self.location.sprite.display_surface.blit(frame, dest, area)
 
     def update_alpha(self):
         remaining = self.fade_remaining = self.fade_length - \