From 9c9babfa7032b443138c4b457aabaf79fad385b3 Mon Sep 17 00:00:00 2001
From: Russell Cohen <rcoh@mit.edu>
Date: Fri, 26 Nov 2010 00:07:14 -0500
Subject: Add PixelMapper functionality to abstract away from mapping
 locations->Pixels.

---
 pixelcore/Pixel.py      | 13 +++++++++----
 pixelcore/PixelStrip.py |  2 +-
 pixelcore/Screen.py     |  8 +++++++-
 3 files changed, 17 insertions(+), 6 deletions(-)

(limited to 'pixelcore')

diff --git a/pixelcore/Pixel.py b/pixelcore/Pixel.py
index a71dba5..8c42581 100644
--- a/pixelcore/Pixel.py
+++ b/pixelcore/Pixel.py
@@ -3,26 +3,31 @@ import pdb
 from pixelevents.StepEvent import *
 #Pixel keeps a queue of events (PixelEvent objects) (actually a dictionary
 #keyed by event time).  Every time is state is
-#requested, it processes all the members of its cue.  If a member returns none,
+#requested, it processes all the members of its queue.  If a member returns none,
 #it is removed from the queue.  Otherwise, its value added to the Pixels color
 #weighted by z-index.
 class Pixel:
     radius = 2
     timeOff = -1
-    def __init__(self, location, color):
+    def __init__(self, location):
         self.location = location
-        self.color = color
         self.events = {}
     def turnOn(self):
         self.turnOnFor(-1)
+    #Turn the light white for 'time' ms.  Really only meant for testing.  Use
+    #processInput instead.  Also, you shouldn't use this anyway.  You should be
+    #using the input method on the screen!
     def turnOnFor(self, time):
-        event = StepEvent.generate(time, (255,0,255)) #TODO: Move color to
+        event = StepEvent.generate(time, (255,255,255)) #TODO: Move color to
         self.processInput(event, 0)
         #arg
+    #Add a pixelEvent to the list of active events
     def processInput(self,pixelEvent,zindex): #consider migrating arg to dict
         self.events[Util.time()] = (zindex, pixelEvent)
     def clearAllEvents(self):
         self.events = {}
+    #Combines all PixelEvents currently active and computes the current color of
+    #the pixel.
     def state(self):
         deadEvents = []
         currentTime = Util.time()
diff --git a/pixelcore/PixelStrip.py b/pixelcore/PixelStrip.py
index 45d2c8b..c82a87a 100644
--- a/pixelcore/PixelStrip.py
+++ b/pixelcore/PixelStrip.py
@@ -11,7 +11,7 @@ class PixelStrip:
         self.argDict = layoutEngine.getStripArgs()
     def initStrip(self, layoutEngine):
         pixelLocations = layoutEngine.getPixelLocations()
-        self.pixels = [Pixel(l, (0,0,0)) for l in pixelLocations]
+        self.pixels = [Pixel(l) for l in pixelLocations]
     def __iter__(self):
         return self.pixels.__iter__()
     def render(self, surface):
diff --git a/pixelcore/Screen.py b/pixelcore/Screen.py
index 9806daa..561dc21 100644
--- a/pixelcore/Screen.py
+++ b/pixelcore/Screen.py
@@ -9,6 +9,8 @@ class Screen:
         self.pixelStrips.append(lS)
     def render(self, surface):
         [lS.render(surface) for lS in self.pixelStrips]
+    def setMapper(self, mapper):
+        self.mapper = mapper
     def allOn(self):
         [lS.allOn(-1) for lS in self.pixelStrips]
     def __iter__(self): #the iterator of all our pixel strips chained togther
@@ -27,5 +29,9 @@ class Screen:
     #private
     def processResponse(self, responseInfo): #we need to make a new dict for
         #each to prevent interference
-        [strip.respond(dict(responseInfo)) for strip in self.pixelStrips]
+        #[strip.respond(dict(responseInfo)) for strip in self.pixelStrips]
+        pixelWeightList = self.mapper.mapEvent(responseInfo['Location'], self)
+        Util.addPixelEventIfMissing(responseInfo)
+        for (pixel, weight) in pixelWeightList: #TODO: weighting
+            pixel.processInput(responseInfo['PixelEvent'], 0) #TODO: z-index
 
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