Revert "Toss out broken plugin."

This reverts commit c74ccef81fa7a64f7c3217dc6ec68521fc5f7a56.

diff --git a/plugins/pauseAtZ.py b/plugins/pauseAtZ.py
new file mode 100644 (file)
index 0000000..2991be4
--- /dev/null
+++ b/plugins/pauseAtZ.py
@@ -0,0 +1,125 @@
+#Name: Pause at height
+#Info: Pause the printer at a certain height
+#Depend: GCode
+#Type: postprocess
+#Param: pauseLevel(float:5.0) Pause height (mm)
+#Param: parkX(float:190) Head park X (mm)
+#Param: parkY(float:190) Head park Y (mm)
+#Param: moveZ(float:0) Head move Z (mm)
+#Param: retractAmount(float:5) Retraction amount (mm)
+
+__copyright__ = "Copyright (C) 2013 David Braam - Released under terms of the AGPLv3 License"
+import re
+from Cura.util import profile
+
+def getPrintZValue(lineBlock):
+       '''
+       look for the last z value found just before (or at the same time) G1 code in the given block
+       '''
+       lastZ = -1
+       for line in lineBlock:
+               lastZ = getValue(line, 'Z', lastZ)
+               if line.startswith('G1 ') and (getValue(line, 'X', None) is not None or getValue(line, 'Y', None) is not None):
+                       break
+
+       return lastZ
+
+
+def getValue(line, key, default = None):
+       if not key in line or (';' in line and line.find(key) > line.find(';')):
+               return default
+       subPart = line[line.find(key) + 1:]
+       m = re.search('^[0-9]+\.?[0-9]*', subPart)
+       if m is None:
+               return default
+       try:
+               return float(m.group(0))
+       except:
+               return default
+
+with open(filename, "r") as f:
+       lines = f.readlines()
+
+z = 0.
+x = 0.
+y = 0.
+pauseState = 0
+#state 0 system is not active until we get to a smaller layer than the last encountered layer (default at 99999) (print one at a time support.)
+#state 1 system is active and we are looking for our target layer z
+#state 2 system found the layer it need to write. We will wait for the first G1 or G0 code to write the content just before. state will be set to 0
+
+
+with open(filename, "w") as f:
+       lineIndex = 0
+       lastLayerIndex = 99999
+       layerZ = 0
+       for lIndex in xrange(len(lines)):
+               line = lines[lIndex]
+               if line.startswith(';'):
+                       if line.startswith(';LAYER:'):
+                               currentLayer = int(line[7:].strip())
+
+                               if currentLayer < lastLayerIndex:
+                                       pauseState = 1
+
+                               lastLayerIndex = currentLayer
+                               if pauseState == 1:
+                                       layerZ = getPrintZValue(lines[lIndex:lIndex+20])
+                                       if layerZ >= pauseLevel:
+                                               pauseState = 2
+
+                       f.write(line)
+                       continue
+
+               x = getValue(line, 'X', x)
+               y = getValue(line, 'Y', y)
+
+               if pauseState == 2:
+                       g = getValue(line, 'G', None)
+                       if g == 1 or g == 0:# We will do the pause just before printing content. We need to pause from the previous XY position. Not the current.
+                               z = layerZ
+
+                               pauseState = 0
+                               f.write(";TYPE:CUSTOM\n")
+                               #Retract
+                               f.write("M83\n")
+                               f.write("G1 E-%f F6000\n" % (retractAmount))
+
+                               zChanged = False
+                               #Change z before doing the move because the nozzle can hit the glass lock on the UM2
+                               if z + moveZ < 15:
+                                       zChanged = True
+                                       f.write("G1 Z15 F300\n")
+
+                               elif moveZ > 0:
+                                       newZ = z + moveZ
+                                       maxZ = profile.getMachineSettingFloat('machine_height') - 10 #For Safety Leave a 10mm space (endstop)
+                                       if maxZ < newZ:
+                                               newZ = maxZ
+
+                                       if newZ > z:
+                                               zChanged = True
+                                               f.write("G1 Z%f F300\n" % (newZ))
+
+                               #Move the head away
+                               f.write("G1 X%f Y%f F9000\n" % (parkX, parkY))
+
+                               #Disable the E steppers
+                               f.write("M84 E0\n")
+                               #Wait till the user continues printing
+                               f.write("M0\n")
+                               #Push the filament back, and retract again, the properly primes the nozzle when changing filament.
+                               f.write("G1 E%f F6000\n" % (retractAmount))
+                               f.write("G1 E-%f F6000\n" % (retractAmount))
+
+                               #Move the head back. Move Z at the same time to prevent hitting the glass locks on the UM2
+                               if zChanged :
+                                       f.write("G1 X%f Y%f Z%f F9000\n" % (x, y, z))
+                               else:
+                                       f.write("G1 X%f Y%f F9000\n" % (x, y))
+
+                               f.write("G1 E%f F6000\n" % (retractAmount))
+                               f.write("G1 F9000\n")
+                               f.write("M82\n")
+
+               f.write(line)