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