1 files changed, 67 insertions, 0 deletions
diff --git a/CuraPlugin_AddPctComplete.py b/CuraPlugin_AddPctComplete.py
new file mode 100644
index 0000000..d8ae89c
--- /dev/null
+++ b/CuraPlugin_AddPctComplete.py
@@ -0,0 +1,67 @@
+#Name: Display Build Progress
+#Info: During printing, display the percentage of build complete
+#Depend: GCode
+#Type: postprocess
+
+# Written by Peter Monaco, Dec 22, 2015
+# Drop in your <CuraInstallation>/plugins directory
+
+import re
+
+### Un-comment these lines to use as a standalone script:
+#import sys
+#inputFilename = sys.argv[1]
+#outputFilename = "tmpout"
+
+### Comment-out these lines to make it a standalone script:
+inputFilename = filename
+outputFilename = filename
+
+# returns a float, or -1 if no Extrusion value is present in that line
+def findEValueInLine(line):
+    tokens = line.split()
+    for token in tokens:
+        if (token.startswith("E")):
+            floatVal = token[1:(len(token))]
+            try:
+                v = float(floatVal);
+                if (v > 0):
+                    return v
+            except ValueError:
+                continue
+    return -1
+
+def findLargestExtrusionValue(lines):
+    for line in reversed(lines):
+        eVal = findEValueInLine(line)
+        #print "Found {} in {}".format(eVal, line)
+        if (eVal > 0):
+            return eVal
+    return 1
+
+
+
+with open(inputFilename, "r") as f:
+	lines = f.readlines()
+
+# Find the largest extrusion value in the file, searching backward from the end
+# We will compute percent-complete as a fraction of total extrusion
+
+maxExtrusion = findLargestExtrusionValue(lines)
+#print "Found max extrusion to be: {}".format(maxExtrusion)
+            
+
+lastPct = 0
+with open(outputFilename, "w") as f:
+    for line in lines:
+	f.write(line)
+	eValue = findEValueInLine(line)
+        if (eValue > 0):
+            # compute the %
+            pct = int(100.0 * eValue / maxExtrusion)
+            if (pct > lastPct and pct < 100):
+                f.write("M73 P{}\n".format(pct))
+                lastPct = pct
+
+
+