Working on SLAPrint pipeline.

src/libslic3r/SLAPrint.cpp

@@ -1,18 +1,70 @@
 #include "SLAPrint.hpp"
+#include "SLA/SLASupportTree.hpp"
+
+#include "I18N.hpp"
+
+//! macro used to mark string used at localization,
+//! return same string
+#define L(s) Slic3r::I18N::translate(s)
 
 namespace Slic3r {
 
+class SLAPrintObject::SupportData {
+public:
+    sla::EigenMesh3D emesh;             // index-triangle representation
+    sla::PointSet support_points;       // all the support points (manual/auto)
+    std::unique_ptr<sla::SLASupportTree> support_tree_ptr; // the supports
+    SlicedSupports slice_cache;         // sliced supports
+};
+
+namespace {
+
+const std::array<unsigned, slaposCount>     OBJ_STEP_LEVELS =
+{
+    20,
+    30,
+    50,
+    70,
+    80,
+    100
+};
+
+const std::array<std::string, slaposCount> OBJ_STEP_LABELS =
+{
+    L("Slicing model"),                 // slaposObjectSlice,
+    L("Generating islands"),            // slaposSupportIslands,
+    L("Scanning model structure"),      // slaposSupportPoints,
+    L("Generating support tree"),       // slaposSupportTree,
+    L("Generating base pool"),          // slaposBasePool,
+    L("Slicing supports")               // slaposSliceSupports,
+};
+
+const std::array<unsigned, slapsCount> PRINT_STEP_LEVELS =
+{
+    50,     // slapsRasterize
+    100,    // slapsValidate
+};
+
+const std::array<std::string, slapsCount> PRINT_STEP_LABELS =
+{
+    L("Rasterizing layers"),         // slapsRasterize
+    L("Validating"),                 // slapsValidate
+};
+
+}
+
 void SLAPrint::clear()
 {
 	tbb::mutex::scoped_lock lock(this->cancel_mutex());
     // The following call should stop background processing if it is running.
     this->invalidate_all_steps();
-	for (SLAPrintObject *object : m_objects)
-		delete object;
+
+    for (SLAPrintObject *object : m_objects) delete object;
 	m_objects.clear();
 }
 
-SLAPrint::ApplyStatus SLAPrint::apply(const Model &model, const DynamicPrintConfig &config)
+SLAPrint::ApplyStatus SLAPrint::apply(const Model &model,
+                                      const DynamicPrintConfig &config)
 {
 	if (m_objects.empty())
 		return APPLY_STATUS_UNCHANGED;
@@ -22,17 +74,20 @@ SLAPrint::ApplyStatus SLAPrint::apply(const Model &model, const DynamicPrintConf
 
 	// Temporary quick fix, just invalidate everything.
 	{
-		for (SLAPrintObject *print_object : m_objects) {
+        for (SLAPrintObject *print_object : m_objects) {
 			print_object->invalidate_all_steps();
-			delete print_object;
+            delete print_object;
 		}
 		m_objects.clear();
 		this->invalidate_all_steps();
-		// Copy the model by value (deep copy), keep the Model / ModelObject / ModelInstance / ModelVolume IDs.
+
+        // Copy the model by value (deep copy),
+        // keep the Model / ModelObject / ModelInstance / ModelVolume IDs.
         m_model.assign_copy(model);
         // Generate new SLAPrintObjects.
-        for (const ModelObject *model_object : m_model.objects) {
+        for (ModelObject *model_object : m_model.objects) {
        		//TODO
+            m_objects.emplace_back(new SLAPrintObject(this, model_object));
         }
 	}
 
@@ -41,6 +96,112 @@ SLAPrint::ApplyStatus SLAPrint::apply(const Model &model, const DynamicPrintConf
 
 void SLAPrint::process()
 {
+    using namespace sla;
+
+    std::cout << "SLA Processing triggered" << std::endl;
+
+    // Assumption: at this point the print objects should be populated only with
+    // the model objects we have to process and the instances are also filtered
+
+    auto slice_model = [](const SLAPrintObject&) {
+
+
+    };
+
+    auto support_points = [](const SLAPrintObject&) {
+        // for(SLAPrintObject *po : pobjects) {
+            // TODO: calculate automatic support points
+            // po->m_supportdata->slice_cache contains the slices at this point
+        //}
+    };
+
+    auto support_tree = [this](const SLAPrintObject& po) {
+        auto& emesh = po.m_supportdata->emesh;
+        auto& pts = po.m_supportdata->support_points; // nowhere filled yet
+        auto& supportd = *po.m_supportdata;
+        try {
+            SupportConfig scfg;  //  TODO fill or replace with po.m_config
+
+            sla::Controller ctl;
+            ctl.statuscb = [this](unsigned st, const std::string& msg) {
+                unsigned stinit = OBJ_STEP_LEVELS[slaposSupportTree];
+                double d = (OBJ_STEP_LEVELS[slaposBasePool] - stinit) / 100.0;
+                set_status(unsigned(stinit + st*d), msg);
+            };
+            ctl.stopcondition = [this](){ return canceled(); };
+
+            supportd.support_tree_ptr.reset(
+                        new SLASupportTree(pts, emesh, scfg, ctl));
+
+        } catch(sla::SLASupportsStoppedException&) {
+            // no need to rethrow
+            // throw_if_canceled();
+        }
+    };
+
+    auto base_pool = [](const SLAPrintObject&) {
+
+    };
+
+    auto slice_supports = [](const SLAPrintObject&) {
+
+    };
+
+    auto rasterize = []() {
+
+    };
+
+    using slaposFn = std::function<void(const SLAPrintObject&)>;
+
+    std::array<SLAPrintObjectStep, slaposCount> objectsteps = {
+        slaposObjectSlice,
+        slaposSupportIslands,
+        slaposSupportPoints,
+        slaposSupportTree,
+        slaposBasePool,
+        slaposSliceSupports
+    };
+
+    std::array<slaposFn, slaposCount> fullprogram =
+    {
+        slice_model,
+        [](const SLAPrintObject&){}, // slaposSupportIslands now empty
+        support_points,
+        support_tree,
+        base_pool,
+        slice_supports
+    };
+
+    for(SLAPrintObject * po : m_objects) {
+        for(size_t s = 0; s < fullprogram.size(); ++s) {
+            auto currentstep = objectsteps[s];
+
+            // Cancellation checking. Each step will check for cancellation
+            // on its own and return earlier gracefully. Just after it returns
+            // execution gets to this point and throws the canceled signal.
+            throw_if_canceled();
+
+            if(po->m_stepmask[s]) {
+                set_status(OBJ_STEP_LEVELS[currentstep],
+                           OBJ_STEP_LABELS[currentstep]);
+
+                po->set_started(currentstep);
+                fullprogram[s](*po);
+                po->set_done(currentstep);
+            }
+        }
+    }
 }
 
+SLAPrintObject::SLAPrintObject(SLAPrint *print, ModelObject *model_object):
+    Inherited(print),
+    m_model_object(model_object),
+    m_supportdata(new SupportData()),
+    m_stepmask(slaposCount, true)
+{
+    m_supportdata->emesh = sla::to_eigenmesh(*m_model_object);
+}
+
+SLAPrintObject::~SLAPrintObject() {}
+
 } // namespace Slic3r

src/libslic3r/SLAPrint.hpp

@@ -3,7 +3,6 @@
 
 #include "PrintBase.hpp"
 #include "Point.hpp"
-//#include "SLA/SLASupportTree.hpp"
 
 namespace Slic3r {
 
@@ -25,21 +24,28 @@ enum SLAPrintObjectStep {
 
 class SLAPrint;
 
-class SLAPrintObject : public PrintObjectBaseWithState<SLAPrint, SLAPrintObjectStep, slaposCount>
+using _SLAPrintObjectBase =
+    PrintObjectBaseWithState<SLAPrint, SLAPrintObjectStep, slaposCount>;
+
+class SLAPrintObject : public _SLAPrintObjectBase
 {
 private: // Prevents erroneous use by other classes.
-    typedef PrintObjectBaseWithState<Print, SLAPrintObjectStep, slaposCount> Inherited;
+    using Inherited = _SLAPrintObjectBase;
 
 public:
     const ModelObject*      model_object() const    { return m_model_object; }
     ModelObject*            model_object()          { return m_model_object; }
 
+    // I refuse to grantee copying (Tamas)
+    SLAPrintObject(const SLAPrintObject&) = delete;
+    SLAPrintObject& operator=(const SLAPrintObject&) = delete;
+
 protected:
     // to be called from SLAPrint only.
     friend class SLAPrint;
 
 	SLAPrintObject(SLAPrint* print, ModelObject* model_object);
-	~SLAPrintObject() {}
+    ~SLAPrintObject();
 
     void                    config_apply(const ConfigBase &other, bool ignore_nonexistent = false) { this->m_config.apply(other, ignore_nonexistent); }
     void                    config_apply_only(const ConfigBase &other, const t_config_option_keys &keys, bool ignore_nonexistent = false) 
@@ -65,11 +71,11 @@ private:
     Transform3d                             m_trafo = Transform3d::Identity();
     std::vector<Instance> 					m_instances;
 
-//    sla::EigenMesh3D emesh;
-//    std::unique_ptr<sla::SLASupportTree> support_tree_ptr;
-//    SlicedSupports slice_cache;
+    // Which steps have to be performed. Implicitly: all
+    std::vector<bool>                       m_stepmask;
 
-	friend SLAPrint;
+    class SupportData;
+    std::unique_ptr<SupportData> m_supportdata;
 };
 
 /**
@@ -85,9 +91,6 @@ private:
  * triangle meshes or receiving the rendering canvas and drawing on that
  * directly.
  *
- * TODO: This class uses the BackgroundProcess interface to create workers and
- * manage input change events. An appropriate implementation can be derived
- * from BackgroundSlicingProcess which is now working only with the FDM Print.
  */
 class SLAPrint : public PrintBaseWithState<SLAPrintStep, slapsCount>
 {
@@ -109,8 +112,7 @@ private:
     Model                           m_model;
     SLAPrinterConfig                m_printer_config;
     SLAMaterialConfig               m_material_config;
-
-	std::vector<SLAPrintObject*>	m_objects;
+    std::vector<SLAPrintObject*>	m_objects;
 
 	friend SLAPrintObject;
 };