Add shrink to perfect length method

[hubacji1/psp.git] / api / psp.h

diff --git a/api/psp.h b/api/psp.h
index 223e32947b3ac2b154c294bab53ad7f2c13fa5cd..70bbf79c42ee500131942f8e196f1e00ec6ad1e4 100644 (file)
--- a/api/psp.h
+++ b/api/psp.h
@@ -7,6 +7,8 @@
 #include "bcar.h"
 #include "pslot.h"
 
+#define FORWARD_PARKING 1
+
 /*! \brief Parking Slot Planner basic class.
 
 \param cc Current bicycle car.
@@ -19,11 +21,17 @@ class PSPlanner {
                 BicycleCar gc_;
                 ParkingSlot ps_;
 
-                // find entry to slot by reverse approach
+                unsigned int c_ = 0; // number of cusps
+                std::vector<BicycleCar> cusps_;
+
+                // find entry to slot
                 void fe_parallel();
                 void fe_perpendicular();
+                // find entry to slot by reverse approach
                 void fer_parallel();
                 void fer_perpendicular();
+                // set goal car
+                void gc_to_4();
         public:
                 /*! \brief Return `true` if there is collision.
 
@@ -48,6 +56,12 @@ class PSPlanner {
                 Set the goal car guessed from the parking slot.
                 */
                 void guess_gc();
+                /*! \brief Return last maneuver to the parking slot.
+
+                Return path from entry point towards parking slot, such
+                that ``cc`` is inside the parking slot at the end.
+                */
+                std::vector<BicycleCar> last_maneuver();
                 /*! \brief Has current car `cc` left?
 
                 Return `true` if the current car `cc` left the parking
@@ -60,6 +74,31 @@ class PSPlanner {
                 parking slot `ps`.
                 */
                 bool parked();
+                /*! \brief Return possible starts of parking maneuver
+
+                When any `BicycleCar` of possible inits is reached, then
+                parking maneuver is a peace of cake.
+
+                \param cnt Number of inits.
+                \param dist Distance between inits.
+                */
+                std::vector<BicycleCar> possible_goals(
+                        unsigned int cnt,
+                        double dist
+                );
+                std::vector<BicycleCar> possible_goals()
+                {
+                        return this->possible_goals(10, 0.5);
+                }
+                /*! \brief Shrink parking slot to perfect length.
+
+                Based on goal car dimensions, shrink `p1` and `p2`
+                towards the `p3` and `p4`. (Because backward parallel
+                parking).
+
+                NOTE: This function works for parallel parking only.
+                */
+                void shrink_to_perfect_len();
 
                 // find entry
                 /*! \brief Find entry to the parking slot.
@@ -76,6 +115,9 @@ class PSPlanner {
                 BicycleCar &gc() { return this->gc_; }
                 ParkingSlot &ps() { return this->ps_; }
 
+                unsigned int c() const { return this->c_; }
+                std::vector<BicycleCar> &cusps() { return this->cusps_; }
+
                 PSPlanner();
 };