doasku

0 #ifndef DOASKO_CORD_HPP

1 #define DOASKO_CORD_HPP

2

3 #include <cassert>

4 #include <cinttypes>

5 #include <utility>

6

7 struct cord_t

8 {

9 explicit cord_t(uint8_t value)

10 : m_value(value)

11 {

12 assert(value < 9);

13 }

14

15 cord_t(uint8_t row, uint8_t col)

16 : m_value(static_cast<uint8_t>(row * 3 + col))

17 {

18 assert(row < 3 && col < 3);

19 }

20

21 // NOLINTNEXTLINE

22 operator uint8_t() const { return m_value; }

23

24 uint8_t row() const { return m_value / 3; }

25 uint8_t col() const { return m_value % 3; }

26

27 uint8_t m_value;

28 };

29

30 class acord_t

31 {

32 public:

33 acord_t(cord_t subgrid, cord_t field)

34 : m_subgrid(subgrid)

35 , m_field(field)

36 {

37 }

38

39 acord_t(uint8_t row, uint8_t col)

40 : m_subgrid(row / 3, col / 3)

41 , m_field(row % 3, col % 3)

42 {

43 }

44

45 cord_t subgrid() const { return m_subgrid; }

46 cord_t field() const { return m_field; }

47

48 uint8_t row() const

49 {

50 return static_cast<uint8_t>(m_subgrid.row() * 3 + m_field.row());

51 }

52 uint8_t col() const

53 {

54 return static_cast<uint8_t>(m_subgrid.col() * 3 + m_field.col());

55 }

56

57 std::tuple<cord_t, cord_t> relative() const { return {m_subgrid, m_field}; }

58

59 private:

60 cord_t m_subgrid;

61 cord_t m_field;

62 };

63

64 #endif