4 files changed, 41 insertions, 3 deletions
diff --git a/util/ColorOps.py b/util/ColorOps.py
index 037957a..4b1162a 100644
--- a/util/ColorOps.py
+++ b/util/ColorOps.py
@@ -1,4 +1,5 @@
 import random
+import colorsys
 from util.TimeOps import Stopwatch
 def randomColor():
     return [random.randint(0,255) for i in range(3)]
@@ -11,6 +12,8 @@ def safeColor(c):
     c[0] = c[0] if c[0] < 255 else 255
     c[1] = c[1] if c[1] < 255 else 255
     c[2] = c[2] if c[2] < 255 else 255
+
+    
     return c
 
 def combineColors(colors):
@@ -23,3 +26,17 @@ def combineColors(colors):
 
 def multiplyColor(color, percent):
     return safeColor([channel*(percent) for channel in color])
+
+def floatToIntColor(rgb):
+    rgb[0] = int(rgb[0]*256 + .5)
+    rgb[1] = int(rgb[1]*256 + .5)
+    rgb[2] = int(rgb[2]*256 + .5)
+    return safeColor(rgb)
+
+def randomBrightColor():
+    hue = random.random()
+    sat = random.random()/2.0 + .5
+    val = 1.0
+    hue, sat, val = colorsys.hsv_to_rgb(hue, sat, val)
+    ret = [hue, sat, val]
+    return floatToIntColor(ret)
diff --git a/util/Geo.py b/util/Geo.py
index 05ea9fe..0dde80b 100644
--- a/util/Geo.py
+++ b/util/Geo.py
@@ -26,3 +26,9 @@ def randomLoc(boundingBox): #TODO: make less shitty
 def approxexp(x):
     """Approximates exp with a 3 term Taylor Series."""
     return 1+x+x**2/2+x**3/6
+
+def windtrail(x,y,height,center,width):
+    a=height
+    b=center
+    c=width
+    return a*((math.exp(-((x-b))/(c)))**2)*(math.exp(-((y))/(0.2*c)))**2
diff --git a/util/NetworkOps.py b/util/NetworkOps.py
index 8894b78..3ece763 100644
--- a/util/NetworkOps.py
+++ b/util/NetworkOps.py
@@ -8,3 +8,9 @@ def getConnectedSocket(ip,port):
     except Exception as inst:
         main_log.error('Network down.  All network based renderers and sensors will not function.',
             inst)
+
+def getBroadcastSocket(port):
+    s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+    s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+    s.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
+    return s
diff --git a/util/PacketComposition.py b/util/PacketComposition.py
index 7b4fe95..75ef917 100644
--- a/util/PacketComposition.py
+++ b/util/PacketComposition.py
@@ -5,7 +5,7 @@ PORTOUT = 0x0108
 UNI = 0
 import pdb
 import util.TimeOps as timeops
-argDict = {'flags': 0, 'startcode': 0, 'pad':0}
+argDict = {'flags': 0, 'startcode': 0x0fff, 'pad':0}
 
 def composePixelStripData(pixelStrip,currentTime=timeops.time()):
     packet = bytearray()
@@ -33,10 +33,10 @@ def memoize(f):
 def cachePacketHeader(port):
     packet = bytearray()
     subDict = dict(argDict)
-    subDict['len'] = 38500 #I have no idea why this works.
+    subDict['len'] = 150 #I have no idea why this works.
     subDict['port'] = port
     packet.extend(portOutPacket(subDict))
-    packet.append(0x0)
+#    packet.append(0x0)
     return packet
 
 def composePixelStripPacket(pixelStrip,port, currentTime):
@@ -61,10 +61,19 @@ def portOut():
 def portOutPayload(argDict):
     payload = bytearray()
     payload.extend(struct.pack('B', argDict['port']))
+    payload.extend(struct.pack('B',0))
     payload.extend(struct.pack('H', argDict['flags']))
     payload.extend(struct.pack('H', argDict['len']))
     payload.extend(struct.pack('H', argDict['startcode']))
     return payload
+def composeSynchPacket():
+    header = bytearray()
+    header.extend(struct.pack('L', MAGIC))
+    header.extend(struct.pack('H', VERSION))
+    header.extend(struct.pack('H', 0x0109))
+    header.extend(struct.pack('L', 0))
+    header.extend(struct.pack('L', 0))
+    return header
 
 def portOutPacket(payloadArgs):
     packet = bytearray()