feat: infill_wipe_dist

Changelog.md

@@ -0,0 +1,14 @@
+Changelog CuraEngine
+====================
+
+
+
+
+
+- Feature: Draft Protection Screen. A shell similar to the ooze shield providing protection from gusts of wind and acting similar to a heated chamber
+
+
+Release 15.06.01
+-----
+
+- [Not documented]

src/FffGcodeWriter.cpp

@@ -564,9 +564,10 @@ void FffGcodeWriter::processSingleLayerInfill(GCodePlanner& gcodeLayer, SliceMes
     //Combine the 1 layer thick infill with the top/bottom skin and print that as one thing.
     Polygons infillPolygons;
     Polygons infillLines;
+    EFillMethod pattern = getSettingAsFillMethod("fill_pattern");
     if (sparse_infill_line_distance > 0 && part.sparse_outline.size() > 0)
     {
-        switch(getSettingAsFillMethod("fill_pattern"))
+        switch(pattern)
         {
         case Fill_Grid:
             generateGridInfill(part.sparse_outline[0], 0, infillLines, extrusionWidth, sparse_infill_line_distance * 2, infill_overlap, fillAngle);
@@ -589,7 +590,14 @@ void FffGcodeWriter::processSingleLayerInfill(GCodePlanner& gcodeLayer, SliceMes
         }
     }
     gcodeLayer.addPolygonsByOptimizer(infillPolygons, &mesh->infill_config[0]);
-    gcodeLayer.addLinesByOptimizer(infillLines, &mesh->infill_config[0]); 
+    if (pattern == Fill_Grid || pattern == Fill_Lines || pattern == Fill_Triangles)
+    {
+        gcodeLayer.addLinesByOptimizer(infillLines, &mesh->infill_config[0], getSettingInMicrons("infill_wipe_dist")); 
+    }
+    else 
+    {
+        gcodeLayer.addLinesByOptimizer(infillLines, &mesh->infill_config[0]); 
+    }
 }
 
 void FffGcodeWriter::processInsets(GCodePlanner& gcodeLayer, SliceMeshStorage* mesh, SliceLayerPart& part, unsigned int layer_nr)

src/gcodePlanner.cpp

@@ -159,7 +159,7 @@ void GCodePlanner::addPolygonsByOptimizer(Polygons& polygons, GCodePathConfig* c
         addPolygon(polygons[nr], orderOptimizer.polyStart[nr], config, wall_overlap_computation);
     }
 }
-void GCodePlanner::addLinesByOptimizer(Polygons& polygons, GCodePathConfig* config)
+void GCodePlanner::addLinesByOptimizer(Polygons& polygons, GCodePathConfig* config, int wipe_dist)
 {
     LineOrderOptimizer orderOptimizer(lastPosition);
     for(unsigned int i=0;i<polygons.size();i++)
@@ -168,7 +168,22 @@ void GCodePlanner::addLinesByOptimizer(Polygons& polygons, GCodePathConfig* conf
     for(unsigned int i=0;i<orderOptimizer.polyOrder.size();i++)
     {
         int nr = orderOptimizer.polyOrder[i];
-        addPolygon(polygons[nr], orderOptimizer.polyStart[nr], config);
+//         addPolygon(polygons[nr], orderOptimizer.polyStart[nr], config);
+        PolygonRef polygon = polygons[nr];
+        int start = orderOptimizer.polyStart[nr];
+        int end = 1 - start;
+        Point& p0 = polygon[start];
+        addTravel(p0);
+        Point& p1 = polygon[end];
+        addExtrusionMove(p1, config);
+        if (wipe_dist != 0)
+        {
+            int line_width = config->getLineWidth();
+            if (vSize2(p1-p0) > line_width * line_width * 4)
+            { // otherwise line will get optimized by combining multiple into a single extrusion move
+                addExtrusionMove(p1 + normal(p1-p0, wipe_dist), config, 0.0);
+            }
+        }
     }
 }
 

src/gcodePlanner.h

@@ -112,7 +112,13 @@ class GCodePlanner
 
     void addPolygonsByOptimizer(Polygons& polygons, GCodePathConfig* config, WallOverlapComputation* wall_overlap_computation = nullptr);
 
-    void addLinesByOptimizer(Polygons& polygons, GCodePathConfig* config);
+    /*!
+     * Add lines to the gcode with optimized order.
+     * \param polygons The lines
+     * \param config The config of the lines
+     * \param wipe_dist (optional) the distance wiped without extruding after laying down a line.
+     */
+    void addLinesByOptimizer(Polygons& polygons, GCodePathConfig* config, int wipe_dist = 0);
 
     void forceMinimalLayerTime(double minTime, double minimalSpeed, double travelTime, double extrusionTime);