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2048: Encapsulate away Board's inner workings

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This change brings all the board twiddling code into the Board proper to
enable sliding animations further down the line.
This commit is contained in:
Dmitrii Ubskii 2021-06-11 18:21:16 +03:00 • committed by Andreas Kling
parent 9ce5ce3560
commit 8a8c2572b1
3 changed files with 117 additions and 96 deletions
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33
Userland/Games/2048/Game.h
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@ -35,11 +35,14 @@ public:
u32 target_tile() const { return m_target_tile; }
u32 largest_tile() const;
struct Board {
class Board {
public:
using Row = Vector<u32>;
using Tiles = Vector<Row>;
Tiles tiles;
Tiles const& tiles() const { return m_tiles; }
bool is_stalled();
struct Position {
size_t row;
@ -53,11 +56,29 @@ public:
void add_tile(size_t row, size_t column, u32 value)
{
tiles[row][column] = value;
last_added_position = Position { row, column };
m_tiles[row][column] = value;
m_last_added_position = Position { row, column };
}
Position const& last_added_position() const { return m_last_added_position; }
Position last_added_position { 0, 0 };
struct SlideResult {
bool has_moved;
size_t score_delta;
};
SlideResult slide_tiles(Direction);
private:
void reverse();
void transpose();
size_t slide_row(size_t row_index);
size_t slide_left();
friend Game;
Tiles m_tiles;
Position m_last_added_position { 0, 0 };
};
Board const& board() const { return m_board; }
@ -71,8 +92,6 @@ public:
}
private:
bool slide_tiles(Direction);
void add_tile()
{
if (m_evil_ai)