From f95b82c5138d576de581be0b3b30b3af74897573 Mon Sep 17 00:00:00 2001
From: Jiri Vlasak <hubacji1@fel.cvut.cz>
Date: Thu, 15 Jul 2021 13:03:25 +0200
Subject: [PATCH] Add parked method

---
 incl/pslot.hh | 3 +++
 src/pslot.cc  | 9 +++++++++
 2 files changed, 12 insertions(+)

diff --git a/incl/pslot.hh b/incl/pslot.hh
index 50f17ef..85fdb77 100644
--- a/incl/pslot.hh
+++ b/incl/pslot.hh
@@ -74,6 +74,9 @@ public:
 	/*! Change side of the parking slot. */
 	void swap_side();
 
+	/*! Return `true` if car `c` is parking in slot `this`. */
+	bool parked(BicycleCar const& c) const;
+
 	friend std::ostream& operator<<(std::ostream& o, ParkingSlot const& s);
 };
 
diff --git a/src/pslot.cc b/src/pslot.cc
index 2246b52..1864de9 100644
--- a/src/pslot.cc
+++ b/src/pslot.cc
@@ -114,6 +114,15 @@ ParkingSlot::swap_side()
 	this->border_[2].rotate(this->border_[3], M_PI);
 }
 
+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);
+	return c.lf().inside_of(b) && c.lr().inside_of(b)
+		&& c.rr().inside_of(b) && c.rf().inside_of(b);
+}
+
 std::ostream&
 operator<<(std::ostream& o, ParkingSlot const& s)
 {
-- 
2.39.2