1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
namespace Kata\Rover; |
4
|
|
|
|
5
|
|
|
final class Map |
6
|
|
|
{ |
7
|
|
|
private $max_coordinates; |
8
|
|
|
private $obstacles; |
9
|
|
|
|
10
|
14 |
|
public function __construct(Coordinates $max_coordinates, array $some_obstacles) |
11
|
|
|
{ |
12
|
14 |
|
$this->max_coordinates = $max_coordinates; |
13
|
14 |
|
$this->obstacles = $this->normalize($some_obstacles); |
14
|
14 |
|
} |
15
|
|
|
|
16
|
2 |
|
public function obstacles(): array |
17
|
|
|
{ |
18
|
2 |
|
return $this->obstacles; |
19
|
|
|
} |
20
|
|
|
|
21
|
14 |
|
private function normalize(array $some_obstacles): array |
22
|
|
|
{ |
23
|
|
|
\array_walk($some_obstacles, function (&$current_coordinate) { |
24
|
14 |
|
$current_coordinate = $this->normalizeCoordinate($current_coordinate); |
25
|
14 |
|
}); |
26
|
14 |
|
return $some_obstacles; |
27
|
|
|
} |
28
|
|
|
|
29
|
14 |
|
public function normalizeCoordinate(Coordinates $a_coordinate): Coordinates |
30
|
|
|
{ |
31
|
14 |
|
if ($a_coordinate->coordinateX() > $this->max_coordinates->coordinateX()) { |
32
|
1 |
|
return $this->normalizeCoordinate( |
33
|
1 |
|
new Coordinates( |
34
|
1 |
|
$a_coordinate->coordinateX() - $this->max_coordinates->coordinateX(), |
35
|
1 |
|
$a_coordinate->coordinateY() |
36
|
|
|
) |
37
|
|
|
); |
38
|
|
|
} |
39
|
14 |
|
if ($a_coordinate->coordinateY() > $this->max_coordinates->coordinateY()) { |
40
|
2 |
|
return $this->normalizeCoordinate( |
41
|
2 |
|
new Coordinates( |
42
|
2 |
|
$a_coordinate->coordinateX(), |
43
|
2 |
|
$a_coordinate->coordinateY() - $this->max_coordinates->coordinateY() |
44
|
|
|
) |
45
|
|
|
); |
46
|
|
|
} |
47
|
|
|
|
48
|
14 |
|
if ($a_coordinate->coordinateX() < 0) { |
49
|
3 |
|
return $this->normalizeCoordinate( |
50
|
3 |
|
new Coordinates( |
51
|
3 |
|
$this->max_coordinates->coordinateX() - abs($a_coordinate->coordinateX()), |
52
|
3 |
|
$a_coordinate->coordinateY() |
53
|
|
|
) |
54
|
|
|
); |
55
|
|
|
} |
56
|
|
|
|
57
|
14 |
|
if ($a_coordinate->coordinateY() < 0) { |
58
|
2 |
|
return $this->normalizeCoordinate( |
59
|
2 |
|
new Coordinates( |
60
|
2 |
|
$a_coordinate->coordinateX(), |
61
|
2 |
|
$this->max_coordinates->coordinateY() - abs($a_coordinate->coordinateY()) |
62
|
|
|
) |
63
|
|
|
); |
64
|
|
|
} |
65
|
|
|
|
66
|
14 |
|
return $a_coordinate; |
67
|
|
|
} |
68
|
|
|
|
69
|
9 |
|
public function isObstacle(Coordinates $a_coordinate): bool |
70
|
|
|
{ |
71
|
9 |
|
foreach ($this->obstacles as $current_obstacle) { |
72
|
9 |
|
if ($a_coordinate->equals($current_obstacle)) { |
73
|
9 |
|
return true; |
74
|
|
|
} |
75
|
|
|
} |
76
|
|
|
|
77
|
9 |
|
return false; |
78
|
|
|
} |
79
|
|
|
} |
80
|
|
|
|