cura: properly working dual extrusion plugin

[clinton/3d-models.git] / cura / dual_temp_lower.py

diff --git a/cura/dual_temp_lower.py b/cura/dual_temp_lower.py
index 6d27bb6..d516f63 100644 (file)
--- a/cura/dual_temp_lower.py
+++ b/cura/dual_temp_lower.py
@@ -4,6 +4,7 @@
 #Type: postprocess
 #Param: coolTemperatureDifference(float:50.0) Drop idle nozzle temperature (C)
 #Param: heatupTimeDelay(float:20.0) Heatup nozzle before use (sec)
+#Param: zHop(float:0.0) Raise Z when reheating active extruder (mm)
 
 
 __copyright__ = "Copyright (C) 2013 David Braam, Copyright (C) 2016 Clinton Ebadi <clinton@unknownlamer.org> - Released under terms of the AGPLv3 License"
@@ -31,6 +32,7 @@ x = 0.
 y = 0.
 e = 0.
 feedrate = float(profile.getProfileSetting('print_speed'))
+wipeTowerP = profile.getProfileSetting('wipe_tower') == 'True'
 currentSectionType = 'CUSTOM'
 activeExtruder = -1
 
@@ -53,7 +55,6 @@ with open(filename, "w") as f:
                 f.write (line)
         while idx < len(lines):
                line = lines[idx]
-                heatupBlocked = False
                if getValue(line, 'T', None) is not None and getValue(line, 'M', None) is None:
                        nextExtruder = getValue(line, 'T', None)
                        printTime = 0.0
@@ -74,28 +75,34 @@ with open(filename, "w") as f:
                                        x = nx
                                        y = ny
                                        z = nz
-                       heatupTime = printTime - heatupTimeDelay
+                       heatupTime = max (printTime - heatupTimeDelay, 0.0)
+                        heatupBlocked = True # do not reheat until active extruder is heated
                        x = sx
                        y = sy
                        z = sz
-                       if heatupTime > 0.0:
-                               f.write("M104 T%d S%d\n" % (nextExtruder, coolTemperature))
-                               f.write("T%d\n" % (activeExtruder))
-                       else:
-                               heatupTime = printTime / 2
-                                # clinton: custom gcode sets cooltemp, need to counteract that for short layers
-                                #f.write("M104 T%d S%d\n" % (nextExtruder, printTemperature - coolTemperatureDifference/2))
-                               #f.write("T%d\n" % (activeExtruder))
+
+                       f.write("M104 T%d S%d\n" % (nextExtruder, coolTemperature))
+                       f.write("T%d\n" % (activeExtruder))
+
                        printTime = 0.0
                        for n in xrange(startIdx, idx):
                                line = lines[n]
                                if line.startswith(';'):
                                        f.write(line)
-                                        if (line == ';HEATER_BLOCKED\n'):
-                                                heatupBlocked = True
-                                        elif (line == ';HEATER_UNBLOCKED\n'):
-                                                heatupBlocked = False
                                        continue
+                                # find where the newly activated extruder is unspooled and block until fully reheated
+                                if getValue(line, 'G', None) is not None and getValue (line, 'E', 666) == 0.0:
+                                        # todo: if wipeTowerP, only
+                                        # wait for a few degrees below
+                                        # printTemperature and allow
+                                        # it to finish heating while
+                                        # priming
+                                        if zHop > 0.0:
+                                                f.write ("G91\nG0 Z%.3f\n" % zHop)
+                                        f.write("M109 T%d S%d\n" % (activeExtruder, printTemperature))
+                                        if zHop > 0.0:
+                                                f.write ("G0 Z%.3f\nG90\n" % -zHop)
+                                        heatupBlocked = False
                                if heatupTime is not None:
                                        g = getValue(line, 'G', None)
                                        if g == 0 or g == 1:
@@ -113,8 +120,7 @@ with open(filename, "w") as f:
                                                z = nz
                                f.write(line)
                        f.write(lines[idx])
-                        heatupBlocked = False
-                       startIdx = idx + 1
+                        startIdx = idx + 1
                        activeExtruder = nextExtruder
                idx += 1
        for n in xrange(startIdx, idx):