]> rtime.felk.cvut.cz Git - hubacji1/psp.git/blobdiff - src/psp.cc
Use backward perpendicular parking
[hubacji1/psp.git] / src / psp.cc
index 7fe4ea88b658caa7cf54a72100a5c0a88c9305a0..35e92ac38ea3a26c73a8e1472f52c82d62cead45 100644 (file)
@@ -102,6 +102,7 @@ void PSPlanner::guess_gc()
                 x += (this->gc().dr() + 0.01) * cos(h);
                 y += (this->gc().w() / 2 + 0.01) * sin(h + dts);
                 y += (this->gc().dr() + 0.01) * sin(h);
+#if 0
         } else {
                 // Forward parking
                 double entry_width = edist(
@@ -115,8 +116,6 @@ void PSPlanner::guess_gc()
                         this->ps().x2() - this->ps().x1()
                 );
                 while (h < 0) h += 2 * M_PI;
-                x += 2 * cos(h);
-                y += 2 * sin(h);
 
                 //// This is for backward parking only.
                 //double entry_width = edist(
@@ -144,6 +143,20 @@ void PSPlanner::guess_gc()
                 //x += move2 * cos(h + dts);
                 //y += move2 * sin(h + dts);
                 //h += dts - M_PI / 2;
+#endif
+        } else {
+                // Backward parking
+                double entry_width = edist(
+                        this->ps().x1(), this->ps().y1(),
+                        this->ps().x4(), this->ps().y4()
+                );
+                x += entry_width / 2 * cos(h);
+                y += entry_width / 2 * sin(h);
+                h = atan2(
+                        this->ps().y1() - this->ps().y2(),
+                        this->ps().x1() - this->ps().x2()
+                );
+                while (h < 0) h += 2 * M_PI;
         }
         while (h > M_PI)
                 h -= 2 * M_PI;
@@ -154,6 +167,46 @@ void PSPlanner::guess_gc()
         this->gc().h(h);
 }
 
+std::vector<BicycleCar> PSPlanner::last_maneuver()
+{
+        std::vector<BicycleCar> lm;
+        if (this->ps().parallel()) {
+                // zig-zag out from the slot
+                this->cc() = BicycleCar(this->gc());
+                this->cc().sp(0.1);
+                while (!this->left()) {
+                        while (!this->collide() && !this->left()) {
+                                this->cc().next();
+                                lm.push_back(BicycleCar(this->cc()));
+                        }
+                        if (this->left() && !this->collide()) {
+                                break;
+                        } else {
+                                lm.pop_back();
+                                this->cc().sp(this->cc().sp() * -1);
+                                this->cc().next();
+                                this->cc().st(this->cc().st() * -1);
+                                this->c_++;
+                                lm.push_back(BicycleCar(this->cc()));
+                        }
+                }
+                if (this->cc().st() < 0) {
+                        this->c_++;
+                        lm.push_back(BicycleCar(this->cc()));
+                }
+        } else {
+                // go 1 m forward
+                this->cc().sp(0.1);
+                BicycleCar orig_cc(this->cc());
+                for (unsigned int i = 0; i < 10; i++) {
+                        this->cc().next();
+                        lm.push_back(BicycleCar(this->cc()));
+                }
+                this->cc() = BicycleCar(orig_cc);
+        }
+        return lm;
+}
+
 bool PSPlanner::left()
 {
        double lfx = this->cc().lfx();
@@ -207,18 +260,41 @@ std::vector<BicycleCar> PSPlanner::possible_goals(
 )
 {
         std::vector<BicycleCar> pi;
-        if (this->cc().sp() > 0)
+        if (this->ps().parallel())
                 this->cc().sp(1);
         else
                 this->cc().sp(-1);
         this->cc().sp(this->cc().sp() * dist);
-        this->cc().st(this->cc().st() * 1);
         BicycleCar orig_cc(this->cc());
         for (unsigned int i = 0; i < cnt; i++) {
                 this->cc().next();
                 pi.push_back(BicycleCar(this->cc()));
         }
         this->cc() = BicycleCar(orig_cc);
+        if (this->ps().parallel()) {
+                this->cc().st(0);
+                for (unsigned int i = 0; i < cnt; i++) {
+                        this->cc().next();
+                        pi.push_back(BicycleCar(this->cc()));
+                }
+                this->cc() = BicycleCar(orig_cc);
+        } else {
+                if (!this->ps().right()) {
+                        this->cc().set_max_steer();
+                        for (unsigned int i = 0; i < cnt; i++) {
+                                this->cc().next();
+                                pi.push_back(BicycleCar(this->cc()));
+                        }
+                } else {
+                        this->cc().set_max_steer();
+                        this->cc().st(this->cc().st() * -1);
+                        for (unsigned int i = 0; i < cnt; i++) {
+                                this->cc().next();
+                                pi.push_back(BicycleCar(this->cc()));
+                        }
+                }
+                this->cc() = BicycleCar(orig_cc);
+        }
         return pi;
 }
 
@@ -238,6 +314,18 @@ void PSPlanner::fe()
         }
 }
 
+double angle_between_closer_point(
+        double sx, double sy, // common start point
+        double cx, double cy, // common middle point
+        double x1, double y1, // first ending point
+        double x2, double y2 // second ending point
+) {
+        if (edist(sx, sy, x1, y1) < edist(sx, sy, x2, y2))
+                return ::angle_between_three_points(sx, sy, cx, cy, x1, y1);
+        else
+                return ::angle_between_three_points(sx, sy, cx, cy, x2, y2);
+}
+
 void PSPlanner::fe_parallel()
 {
         BicycleCar bco = BicycleCar(this->gc());
@@ -285,16 +373,219 @@ void PSPlanner::fe_parallel()
         while (!q.empty() && iter_cntr < 30) {
                 this->cc() = BicycleCar(q.front());
                 q.pop();
-                while (
-                        !this->collide()
-                        && (std::abs(
-                                this->cc().h() - this->ps().heading()
-                        ) > M_PI / 32)
-                        && (std::abs(
-                                this->cc().h() - this->ps().heading()
-                        ) < M_PI / 2)
-                )
-                        this->cc().next();
+                if (this->ps().right() && this->cc().sp() < 0) {
+                        double cclx = this->cc().ccl().x();
+                        double ccly = this->cc().ccl().y();
+                        double ccl_lr = edist(
+                                cclx, ccly,
+                                this->cc().lrx(), this->cc().lry()
+                        );
+                        double ccl_rr = edist(
+                                cclx, ccly,
+                                this->cc().rrx(), this->cc().rry()
+                        );
+                        double ccl_p1 = edist(
+                                cclx, ccly,
+                                this->ps().x1(), this->ps().y1()
+                        );
+                        if (ccl_rr < ccl_p1) {
+                                // pass parking slot
+                                continue;
+                        } else if (ccl_rr >= ccl_p1 && ccl_lr < ccl_p1) {
+                                // partially out of parking slot
+                                auto cli1 = ::intersect(
+                                        cclx, ccly, ccl_p1,
+                                        this->cc().lrx(), this->cc().lry(),
+                                        this->cc().rrx(), this->cc().rry()
+                                );
+                                double a1 = ::angle_between_closer_point(
+                                        this->ps().x1(), this->ps().y1(),
+                                        cclx, ccly,
+                                        std::get<1>(cli1), std::get<2>(cli1),
+                                        std::get<3>(cli1), std::get<4>(cli1)
+                                );
+                                auto cli2 = ::intersect(
+                                        cclx, ccly, ccl_rr,
+                                        this->ps().x2(), this->ps().y2(),
+                                        this->ps().x3(), this->ps().y3()
+                                );
+                                double a2 = angle_between_closer_point(
+                                        this->cc().rrx(), this->cc().rry(),
+                                        cclx, ccly,
+                                        std::get<1>(cli2), std::get<2>(cli2),
+                                        std::get<3>(cli2), std::get<4>(cli2)
+                                );
+                                if (std::get<0>(cli1) && (
+                                        !std::get<0>(cli2)
+                                        || a1 < a2
+                                )) {
+                                        this->cc().rotate(cclx, ccly, -a1);
+                                        if (::right_side_of_line(
+                                                this->cc().x(), this->cc().y(),
+
+                                                this->cc().x()
+                                                + cos(this->ps().heading()),
+                                                this->cc().y()
+                                                + sin(this->ps().heading()),
+
+                                                this->cc().x()
+                                                + cos(this->cc().h()),
+                                                this->cc().y()
+                                                + sin(this->cc().h())
+                                        )) {
+                                                continue;
+                                        }
+                                } else if (std::get<0>(cli2) && (
+                                        !std::get<0>(cli1)
+                                        || a2 < a1
+                                )) {
+                                        this->cc().rotate(cclx, ccly, -a2);
+                                } else {
+                                        continue;
+                                }
+                        } else if (ccl_lr >= ccl_p1) {
+                                // in parking slot
+                                auto cli1 = ::intersect(
+                                        cclx, ccly, ccl_lr,
+                                        this->ps().x1(), this->ps().y1(),
+                                        this->ps().x2(), this->ps().y2()
+                                );
+                                double a1 = angle_between_closer_point(
+                                        this->cc().lrx(), this->cc().lry(),
+                                        cclx, ccly,
+                                        std::get<1>(cli1), std::get<2>(cli1),
+                                        std::get<3>(cli1), std::get<4>(cli1)
+                                );
+                                auto cli2 = ::intersect(
+                                        cclx, ccly, ccl_rr,
+                                        this->ps().x2(), this->ps().y2(),
+                                        this->ps().x3(), this->ps().y3()
+                                );
+                                double a2 = angle_between_closer_point(
+                                        this->cc().rrx(), this->cc().rry(),
+                                        cclx, ccly,
+                                        std::get<1>(cli2), std::get<2>(cli2),
+                                        std::get<3>(cli2), std::get<4>(cli2)
+                                );
+                                if (std::get<0>(cli1) && (
+                                        !std::get<0>(cli2)
+                                        || a1 < a2
+                                )) {
+                                        this->cc().rotate(cclx, ccly, -a1);
+                                        if (::right_side_of_line(
+                                                this->cc().x(), this->cc().y(),
+
+                                                this->cc().x()
+                                                + cos(this->ps().heading()),
+                                                this->cc().y()
+                                                + sin(this->ps().heading()),
+
+                                                this->cc().x()
+                                                + cos(this->cc().h()),
+                                                this->cc().y()
+                                                + sin(this->cc().h())
+                                        )) {
+                                                continue;
+                                        }
+                                } else if (std::get<0>(cli2) && (
+                                        !std::get<0>(cli1)
+                                        || a2 < a1
+                                )) {
+                                        this->cc().rotate(cclx, ccly, -a2);
+                                } else {
+                                        continue;
+                                }
+                        }
+                } else if (this->ps().right() && this->cc().sp() > 0) {
+                        double ccrx = this->cc().ccr().x();
+                        double ccry = this->cc().ccr().y();
+                        double ccr_lf = edist(
+                                ccrx, ccry,
+                                this->cc().lfx(), this->cc().lfy()
+                        );
+                        double ccr_rf = edist(
+                                ccrx, ccry,
+                                this->cc().rfx(), this->cc().rfy()
+                        );
+                        {
+                                double af = std::abs(
+                                        this->ps().heading()
+                                        - this->cc().h()
+                                );
+                                auto tmp_cc = BicycleCar(this->cc());
+                                this->cc().rotate(ccrx, ccry, -af);
+                                this->gc() = BicycleCar(this->cc());
+                                if (
+                                        !this->collide()
+                                        && this->parked()
+                                ) {
+                                        this->cc().sp(this->cc().sp() * -1);
+                                        this->gc() = BicycleCar(this->cc());
+                                        goto successfinish;
+                                } else {
+                                        this->cc() = BicycleCar(tmp_cc);
+                                }
+                        }
+                        auto cli1 = ::intersect(
+                                ccrx, ccry, ccr_rf,
+                                this->ps().x3(), this->ps().y3(),
+                                this->ps().x4(), this->ps().y4()
+                        );
+                        double a1 = angle_between_closer_point(
+                                this->cc().rfx(), this->cc().rfy(),
+                                ccrx, ccry,
+                                std::get<1>(cli1), std::get<2>(cli1),
+                                std::get<3>(cli1), std::get<4>(cli1)
+                        );
+                        auto cli2 = ::intersect(
+                                ccrx, ccry, ccr_rf,
+                                this->ps().x2(), this->ps().y2(),
+                                this->ps().x3(), this->ps().y3()
+                        );
+                        double a2 = angle_between_closer_point(
+                                this->cc().rfx(), this->cc().rfy(),
+                                ccrx, ccry,
+                                std::get<1>(cli2), std::get<2>(cli2),
+                                std::get<3>(cli2), std::get<4>(cli2)
+                        );
+                        auto cli3 = ::intersect(
+                                ccrx, ccry, ccr_lf,
+                                this->ps().x3(), this->ps().y3(),
+                                this->ps().x4(), this->ps().y4()
+                        );
+                        double a3 = angle_between_closer_point(
+                                this->cc().lfx(), this->cc().lfy(),
+                                ccrx, ccry,
+                                std::get<1>(cli3), std::get<2>(cli3),
+                                std::get<3>(cli3), std::get<4>(cli3)
+                        );
+                        if (std::get<0>(cli1) && (
+                            (!std::get<0>(cli2) && !std::get<0>(cli3))
+                            || (a1 < a2 && !std::get<0>(cli3))
+                            || (a1 < a3 && !std::get<0>(cli2))
+                            || (a1 < a2 && a1 < a3)
+                        )) {
+                            this->cc().rotate(ccrx, ccry, -a1);
+                        } else if (std::get<0>(cli2) && (
+                            (!std::get<0>(cli1) && !std::get<0>(cli3))
+                            || (a2 < a1 && !std::get<0>(cli3))
+                            || (a2 < a3 && !std::get<0>(cli1))
+                            || (a2 < a1 && a2 < a3)
+                        )) {
+                            this->cc().rotate(ccrx, ccry, -a2);
+                        } else if (std::get<0>(cli3) && (
+                            (!std::get<0>(cli1) && !std::get<0>(cli2))
+                            || (a3 < a1 && !std::get<0>(cli2))
+                            || (a3 < a2 && !std::get<0>(cli1))
+                            || (a3 < a1 && a3 < a2)
+                        )) {
+                            this->cc().rotate(ccrx, ccry, -a3);
+                        } else {
+                            continue;
+                        }
+                } else {
+                        // TODO left parking slot (both forward, backward)
+                }
                 this->cc().sp(this->cc().sp() * -1);
                 this->cc().next();
                 this->gc() = BicycleCar(this->cc());