compress traffic signals

- handle penalties within edges (not phantom nodes)
 - changes model from providing penalties on turns to using additional segments

include/extractor/compressed_edge_container.hpp

@@ -10,6 +10,8 @@
 #include <string>
 #include <vector>
 
+#include <boost/optional.hpp>
+
 namespace osrm
 {
 namespace extractor
@@ -36,7 +38,11 @@ class CompressedEdgeContainer
                       const EdgeWeight weight1,
                       const EdgeWeight weight2,
                       const EdgeDuration duration1,
-                      const EdgeDuration duration2);
+                      const EdgeDuration duration2,
+                      // node-penalties can be added before/or after the traversal of an edge which
+                      // depends on whether we traverse the link forwards or backwards.
+                      const boost::optional<EdgeWeight> node_weight_penalty = boost::none,
+                      const boost::optional<EdgeDuration> node_duration_penalty = boost::none);
 
     void AddUncompressedEdge(const EdgeID edge_id,
                              const NodeID target_node,

include/extractor/extraction_containers.hpp

@@ -40,7 +40,7 @@ class ExtractionContainers
     using NameOffsets = std::vector<unsigned>;
 
     std::vector<OSMNodeID> barrier_nodes;
-    std::vector<OSMNodeID> traffic_lights;
+    std::vector<OSMNodeID> traffic_signals;
     NodeIDVector used_node_id_list;
     NodeVector all_nodes_list;
     EdgeVector all_edges_list;

include/extractor/extraction_turn.hpp

@@ -22,6 +22,14 @@ struct ExtractionTurn
     {
     }
 
+    ExtractionTurn(const bool has_traffic_light = false)
+        : angle(0), turn_type(guidance::TurnType::NoTurn),
+          direction_modifier(guidance::DirectionModifier::Straight),
+          has_traffic_light(has_traffic_light), weight(0.), duration(0.), source_restricted(false),
+          target_restricted(false)
+    {
+    }
+
     const double angle;
     const guidance::TurnType::Enum turn_type;
     const guidance::DirectionModifier::Enum direction_modifier;

include/extractor/graph_compressor.hpp

@@ -1,6 +1,7 @@
 #ifndef GEOMETRY_COMPRESSOR_HPP
 #define GEOMETRY_COMPRESSOR_HPP
 
+#include "extractor/scripting_environment.hpp"
 #include "util/typedefs.hpp"
 
 #include "util/node_based_graph.hpp"
@@ -24,6 +25,7 @@ class GraphCompressor
   public:
     void Compress(const std::unordered_set<NodeID> &barrier_nodes,
                   const std::unordered_set<NodeID> &traffic_lights,
+                  ScriptingEnvironment &scripting_environment,
                   std::vector<TurnRestriction> &turn_restrictions,
                   util::NodeBasedDynamicGraph &graph,
                   CompressedEdgeContainer &geometry_compressor);