private void SetInitalLayer()
{
activeLayerIndex = 0;
if (loadedGCode.LineCount > 0)
{
int firstExtrusionIndex = 0;
Vector3 lastPosition = loadedGCode.Instruction(0).Position;
double ePosition = loadedGCode.Instruction(0).EPosition;
// let's find the first layer that has extrusion if possible and go to that
for (int i = 1; i < loadedGCode.LineCount; i++)
{
PrinterMachineInstruction currentInstruction = loadedGCode.Instruction(i);
if (currentInstruction.EPosition > ePosition && lastPosition != currentInstruction.Position)
{
firstExtrusionIndex = i;
break;
}
lastPosition = currentInstruction.Position;
}
if (firstExtrusionIndex > 0)
{
for (int layerIndex = 0; layerIndex < loadedGCode.NumChangesInZ; layerIndex++)
{
if (firstExtrusionIndex < loadedGCode.GetInstructionIndexAtLayer(layerIndex))
{
activeLayerIndex = Math.Max(0, layerIndex - 1);
break;
}
}
}
}
}
public void CreateFeaturesForLayerIfRequired(int layerToCreate)
{
if (extrusionColors == null &&
gCodeFileToDraw != null &&
gCodeFileToDraw.LineCount > 0)
{
extrusionColors = new ExtrusionColors();
HashSet <float> speeds = new HashSet <float>();
PrinterMachineInstruction prevInstruction = gCodeFileToDraw.Instruction(0);
for (int i = 1; i < gCodeFileToDraw.LineCount; i++)
{
PrinterMachineInstruction instruction = gCodeFileToDraw.Instruction(i);
if (instruction.EPosition > prevInstruction.EPosition && (instruction.Line.IndexOf('X') != -1 || instruction.Line.IndexOf('Y') != -1))
{
speeds.Add((float)instruction.FeedRate);
}
prevInstruction = instruction;
}
foreach (float speed in speeds)
{
extrusionColors.GetColorForSpeed(speed);
}
}
if (renderFeatures.Count == 0 ||
renderFeatures[layerToCreate].Count > 0)
{
return;
}
List <RenderFeatureBase> renderFeaturesForLayer = renderFeatures[layerToCreate];
int startRenderIndex = gCodeFileToDraw.GetInstructionIndexAtLayer(layerToCreate);
int endRenderIndex = gCodeFileToDraw.LineCount - 1;
if (layerToCreate < gCodeFileToDraw.NumChangesInZ - 1)
{
endRenderIndex = gCodeFileToDraw.GetInstructionIndexAtLayer(layerToCreate + 1);
}
for (int instructionIndex = startRenderIndex; instructionIndex < endRenderIndex; instructionIndex++)
{
PrinterMachineInstruction currentInstruction = gCodeFileToDraw.Instruction(instructionIndex);
PrinterMachineInstruction previousInstruction = currentInstruction;
if (instructionIndex > 0)
{
previousInstruction = gCodeFileToDraw.Instruction(instructionIndex - 1);
}
if (currentInstruction.Position == previousInstruction.Position)
{
if (Math.Abs(currentInstruction.EPosition - previousInstruction.EPosition) > 0)
{
// this is a retraction
renderFeaturesForLayer.Add(new RenderFeatureRetract(currentInstruction.Position, currentInstruction.EPosition - previousInstruction.EPosition, currentInstruction.ExtruderIndex, currentInstruction.FeedRate));
}
if (currentInstruction.Line.StartsWith("G10"))
{
renderFeaturesForLayer.Add(new RenderFeatureRetract(currentInstruction.Position, -1, currentInstruction.ExtruderIndex, currentInstruction.FeedRate));
}
else if (currentInstruction.Line.StartsWith("G11"))
{
renderFeaturesForLayer.Add(new RenderFeatureRetract(currentInstruction.Position, 1, currentInstruction.ExtruderIndex, currentInstruction.FeedRate));
}
}
else
{
if (gCodeFileToDraw.IsExtruding(instructionIndex))
{
double layerThickness = gCodeFileToDraw.GetLayerHeight();
if (layerToCreate == 0)
{
layerThickness = gCodeFileToDraw.GetFirstLayerHeight();
}
Color extrusionColor = extrusionColors.GetColorForSpeed((float)currentInstruction.FeedRate);
renderFeaturesForLayer.Add(new RenderFeatureExtrusion(previousInstruction.Position, currentInstruction.Position, currentInstruction.ExtruderIndex, currentInstruction.FeedRate, currentInstruction.EPosition - previousInstruction.EPosition, gCodeFileToDraw.GetFilamentDiameter(), layerThickness, extrusionColor));
}
else
{
renderFeaturesForLayer.Add(new RenderFeatureTravel(previousInstruction.Position, currentInstruction.Position, currentInstruction.ExtruderIndex, currentInstruction.FeedRate));
}
}
}
}
