]> rtime.felk.cvut.cz Git - hubacji1/bcar.git/blobdiff - src/pslot.cc
Keep underscore prefix for private members conv.
[hubacji1/bcar.git] / src / pslot.cc
index 1864de9f037afd84925408aaf90dfe523dfdd3fd..1d84e28ab1593aa5f5a84e21b91d3e97784dbd07 100644 (file)
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2021 Jiri Vlasak <jiri.vlasak.2@cvut.cz>
+ *
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
 #include <cassert>
 #include <cmath>
 #include "pslot.hh"
 namespace bcar {
 
 ParkingSlot::ParkingSlot(Point p, double h, double W, double L) :
-               border_({p,
+               _border{p,
                        Point(p.x() + W * cos(h - M_PI / 2.0),
                                p.y() + W * sin(h - M_PI / 2.0)),
                        Point(p.x() + W * cos(h - M_PI / 2.0) + L * cos(h),
                                p.y() + W * sin(h - M_PI / 2.0) + L * sin(h)),
-                       Point(p.x() + L * cos(h), p.y() + L * sin(h))}),
-               entry_(border_[0], border_[3]),
-               rear_(border_[0], border_[1]),
-               curb_(border_[1], border_[2]),
-               front_(border_[2], border_[3])
+                       Point(p.x() + L * cos(h), p.y() + L * sin(h))},
+               _entry(_border[0], _border[3]),
+               _rear(_border[0], _border[1]),
+               _curb(_border[1], _border[2]),
+               _front(_border[2], _border[3])
 {
 }
 
 ParkingSlot::ParkingSlot(double lrx, double lry, double rrx, double rry,
                double rfx, double rfy, double lfx, double lfy) :
-                       border_({Point(lrx, lry), Point(rrx, rry),
-                               Point(rfx, rfy), Point(lfx, lfy)}),
-                       entry_(border_[0], border_[3]),
-                       rear_(border_[0], border_[1]),
-                       curb_(border_[1], border_[2]),
-                       front_(border_[2], border_[3])
+                       _border{Point(lrx, lry), Point(rrx, rry),
+                               Point(rfx, rfy), Point(lfx, lfy)},
+                       _entry(_border[0], _border[3]),
+                       _rear(_border[0], _border[1]),
+                       _curb(_border[1], _border[2]),
+                       _front(_border[2], _border[3])
 {
 }
 
 double
 ParkingSlot::len() const
 {
-       return this->entry_.len();
+       return this->_entry.len();
 }
 
 double
 ParkingSlot::w() const
 {
-       return this->rear_.len();
+       return this->_rear.len();
 }
 
 double
 ParkingSlot::lfx() const
 {
-       return this->border_[3].x();
+       return this->_border[3].x();
 }
 
 double
 ParkingSlot::lfy() const
 {
-       return this->border_[3].y();
+       return this->_border[3].y();
 }
 
 double
 ParkingSlot::lrx() const
 {
-       return this->border_[0].x();
+       return this->_border[0].x();
 }
 
 double
 ParkingSlot::lry() const
 {
-       return this->border_[0].y();
+       return this->_border[0].y();
 }
 
 double
 ParkingSlot::rrx() const
 {
-       return this->border_[1].x();
+       return this->_border[1].x();
 }
 
 double
 ParkingSlot::rry() const
 {
-       return this->border_[1].y();
+       return this->_border[1].y();
 }
 
 double
 ParkingSlot::rfx() const
 {
-       return this->border_[2].x();
+       return this->_border[2].x();
 }
 
 double
 ParkingSlot::rfy() const
 {
-       return this->border_[2].y();
+       return this->_border[2].y();
 }
 
 double
@@ -95,42 +101,324 @@ ParkingSlot::h() const
        return atan2(this->lfy() - this->lry(), this->lfx() - this->lrx());
 }
 
+Point
+ParkingSlot::lf() const
+{
+       return Point(this->lfx(), this->lfy());
+}
+
+Point
+ParkingSlot::lr() const
+{
+       return Point(this->lrx(), this->lry());
+}
+
+Point
+ParkingSlot::rr() const
+{
+       return Point(this->rrx(), this->rry());
+}
+
+Point
+ParkingSlot::rf() const
+{
+       return Point(this->rfx(), this->rfy());
+}
+
+Line
+ParkingSlot::entry() const
+{
+       return this->_entry;
+}
+
+Line
+ParkingSlot::rear() const
+{
+       return this->_rear;
+}
+
+Line
+ParkingSlot::curb() const
+{
+       return this->_curb;
+}
+
+Line
+ParkingSlot::front() const
+{
+       return this->_front;
+}
+
+void
+ParkingSlot::set_parking_speed(double s)
+{
+       this->_parking_speed = s;
+}
+
+unsigned int
+ParkingSlot::get_max_cusp() const
+{
+       return this->_max_cusp;
+}
+
+void
+ParkingSlot::set_max_cusp(unsigned int m)
+{
+       this->_max_cusp = m;
+}
+
+void
+ParkingSlot::set_delta_angle_to_slot(double d)
+{
+       this->_delta_angle_to_slot = d;
+}
+
 bool
 ParkingSlot::parallel() const
 {
-       return this->entry_.len() > this->rear_.len();
+       return this->_entry.len() > this->_rear.len();
 }
 
 bool
 ParkingSlot::right() const
 {
-       return this->border_[1].on_right_side_of(this->entry_);
+       return this->_border[1].on_right_side_of(this->_entry);
 }
 
 void
 ParkingSlot::swap_side()
 {
-       this->border_[1].rotate(this->border_[0], M_PI);
-       this->border_[2].rotate(this->border_[3], M_PI);
+       this->_border[1].rotate(this->_border[0], M_PI);
+       this->_border[2].rotate(this->_border[3], M_PI);
+       this->_entry = Line(this->_border[0], this->_border[3]);
+       this->_rear = Line(this->_border[0], this->_border[1]);
+       this->_curb = Line(this->_border[1], this->_border[2]);
+       this->_front = Line(this->_border[2], this->_border[3]);
 }
 
 bool
 ParkingSlot::parked(BicycleCar const& c) const
 {
-       auto b_len = sizeof(this->border_) / sizeof(this->border_[0]);
-       std::vector<Point> b(this->border_, this->border_ + b_len);
+       auto b_len = sizeof(this->_border) / sizeof(this->_border[0]);
+       std::vector<Point> b(this->_border, this->_border + b_len);
        return c.lf().inside_of(b) && c.lr().inside_of(b)
                && c.rr().inside_of(b) && c.rf().inside_of(b);
 }
 
+bool
+ParkingSlot::collide(BicycleCar const& c) const
+{
+       return c.left().intersects_with(this->_rear)
+               || c.left().intersects_with(this->_curb)
+               || c.left().intersects_with(this->_front)
+               || c.rear().intersects_with(this->_rear)
+               || c.rear().intersects_with(this->_curb)
+               || c.rear().intersects_with(this->_front)
+               || c.right().intersects_with(this->_rear)
+               || c.right().intersects_with(this->_curb)
+               || c.right().intersects_with(this->_front)
+               || c.front().intersects_with(this->_rear)
+               || c.front().intersects_with(this->_curb)
+               || c.front().intersects_with(this->_front);
+}
+
+std::vector<BicycleCar>
+ParkingSlot::drive_in_slot(BicycleCar c)
+{
+       assert(this->parallel());
+       assert(this->right());
+       assert(c.len() < this->len());
+       assert(c.w() < this->w());
+       std::vector<BicycleCar> path;
+       path.reserve(this->_max_cusp + 2);
+       path.push_back(c);
+       unsigned int cusp = 0;
+       while (cusp < this->_max_cusp + 1) {
+               if (this->parked(c)) {
+                       if (cusp < this->_max_cusp) {
+                               this->_max_cusp = cusp;
+                       }
+                       path.push_back(c);
+                       return path;
+               }
+               double sx = c.x() + 10.0 * cos(this->h());
+               double sy = c.y() + 10.0 * sin(this->h());
+               double cx = c.x() + 10.0 * cos(c.h());
+               double cy = c.y() + 10.0 * sin(c.h());
+               if (Point(cx, cy).on_right_side_of(
+                               Line(Point(c.x(), c.y()), Point(sx, sy)))) {
+                       return std::vector<BicycleCar>();
+               }
+               c.next();
+               if (this->collide(c)) {
+                       c.sp(c.sp() * -1.0);
+                       c.next();
+                       path.push_back(c);
+                       c.st(c.st() * -1.0);
+                       cusp += 1;
+               }
+       }
+       return std::vector<BicycleCar>();
+}
+
+std::vector<BicycleCar>
+ParkingSlot::drive_of_slot(BicycleCar c)
+{
+       assert(this->parallel());
+       assert(this->right());
+       assert(c.len() < this->len());
+       assert(c.w() < this->w());
+       assert(this->parked(c));
+       std::vector<BicycleCar> path;
+       path.reserve(this->_max_cusp + 2);
+       path.push_back(c);
+       unsigned int cusp = 0;
+       auto b_len = sizeof(this->_border) / sizeof(this->_border[0]);
+       std::vector<Point> b(this->_border, this->_border + b_len);
+       while (cusp < this->_max_cusp + 1) {
+               if (!c.lf().inside_of(b) && !c.rf().inside_of(b)) {
+                       if (cusp < this->_max_cusp) {
+                               this->_max_cusp = cusp;
+                       }
+                       path.push_back(c);
+                       return path;
+               }
+               c.next();
+               if (this->collide(c)) {
+                       c.sp(c.sp() * -1.0);
+                       c.next();
+                       path.push_back(c);
+                       c.st(c.st() * -1.0);
+                       cusp += 1;
+               }
+       }
+       return std::vector<BicycleCar>();
+}
+
+std::vector<Pose>
+ParkingSlot::steer_in_slot(BicycleCar c)
+{
+       std::vector<Pose> path;
+       while (!this->parked(c)) {
+               path.push_back(c);
+               c.next();
+               if (this->collide(c)) {
+                       c.sp(c.sp() * -1.0);
+                       c.next();
+                       c.st(c.st() * -1.0);
+               }
+       }
+       return path;
+}
+
+PoseRange
+ParkingSlot::fe(BicycleCar c)
+{
+       if (!this->parallel()) {
+               double gd = 0.0;
+               double dd = 0.0;
+               double radi = 0.0;
+               if (this->_parking_speed < 0) {
+                       gd = c.df();
+                       c.h(this->_rear.h() + M_PI);
+                       c.sp(1.0);
+                       radi = c.iradi();
+               } else {
+                       gd = c.dr();
+                       c.h(this->_rear.h());
+                       c.sp(-1.0);
+                       radi = c.ofradi();
+               }
+               c.x(this->_entry.m().x() + gd * cos(this->_rear.h()));
+               c.y(this->_entry.m().y() + gd * sin(this->_rear.h()));
+               Point cc(0.0, 0.0);
+               if (this->right()) {
+                       cc = c.ccl();
+               } else {
+                       cc = c.ccr();
+               }
+               this->_rear.intersects_with(cc, radi);
+               dd = std::min(this->_border[0].edist(this->_rear.i1()),
+                       this->_border[0].edist(this->_rear.i2()));
+               c.st(0.0);
+               c.sp(c.sp() * dd);
+               c.next();
+               c.sp(this->_parking_speed);
+               return PoseRange(c.x(), c.y(), c.h(), c.h());
+       }
+       bool swapped = false;
+       if (!this->right()) {
+               this->swap_side();
+               swapped = true;
+       }
+       c.h(this->h());
+       double clen = -this->_offset + this->len() - c.df();
+       double cw = c.w() / 2.0;
+       c.x(this->lrx() + clen * cos(c.h()) + cw * cos(c.h() + M_PI / 2.0));
+       c.y(this->lry() + clen * sin(c.h()) + cw * sin(c.h() + M_PI / 2.0));
+       c.set_max_steer();
+       assert(this->_parking_speed < 0.0);
+       c.sp(this->_parking_speed);
+       auto const rc = c.rf();
+       this->_curb.intersects_with(rc, c.len());
+       double max_to_slot;
+       auto const& rr = c.rr();
+       auto const& i1 = this->_curb.i1();
+       auto const& i2 = this->_curb.i2();
+       if (rr.edist(i1) < rr.edist(i2)) {
+               max_to_slot = rr.min_angle_between(rc, i1);
+       } else {
+               max_to_slot = rr.min_angle_between(rc, i2);
+       }
+       std::vector<BicycleCar> starts;
+       double a_to_slot = 0.0;
+       while (a_to_slot < max_to_slot) {
+               a_to_slot += this->_delta_angle_to_slot;
+               c.rotate(rc, this->_delta_angle_to_slot);
+               starts.push_back(c);
+       }
+       for (auto s: starts) {
+               auto r = this->drive_in_slot(s);
+               if (r.size() > 0) {
+                       this->_entries.push_back(r);
+               }
+       }
+       if (this->_entries.size() == 0) {
+               return PoseRange(Pose(0.0, 0.0, 0.0), Pose(0.0, 0.0, 0.0));
+       }
+       if (this->_entries.size() == 1) {
+               auto f = this->_entries.front().front();
+               return PoseRange(f, f);
+       }
+       auto& c1 = this->_entries.front().front();
+       auto& c2 = this->_entries.back().front();
+       PoseRange p(c1, c2);
+       if (swapped) {
+               this->swap_side();
+               p.reflect(this->_entry);
+       }
+       return p;
+}
+
+PoseRange
+ParkingSlot::recompute_entry(PoseRange p)
+{
+       p.rotate(Point(0.0, 0.0), this->h());
+       p.translate(this->_border[0]);
+       if (!this->right()) {
+               p.reflect(this->_entry);
+       }
+       return p;
+}
+
 std::ostream&
 operator<<(std::ostream& o, ParkingSlot const& s)
 {
        o << "[";
-       o << s.border_[0] << ",";
-       o << s.border_[1] << ",";
-       o << s.border_[2] << ",";
-       o << s.border_[3];
+       o << s._border[0] << ",";
+       o << s._border[1] << ",";
+       o << s._border[2] << ",";
+       o << s._border[3];
        o << "]";
        return o;
 }