1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-25 17:57:35 +00:00

2048: Fix move success detection

Whether or not tiles moved used to be determined by comparing new_tiles
with m_tiles. This is no longer possible since the slide is done
in-place.

This fix makes the game look through the m_sliding_tiles, which contains
previous and current position for each tile on the board, to determine
whether any tile moved at all. If not, the move is deemed unsuccessful.

Fixes #8008.
This commit is contained in:
Dmitrii Ubskii 2021-06-12 02:46:11 +03:00 committed by GitHub
parent a1f5357ad3
commit f11000b176
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23

View file

@ -187,7 +187,6 @@ static size_t get_number_of_free_cells(Game::Board const& board)
Game::Board::SlideResult Game::Board::slide_tiles(Direction direction)
{
size_t successful_merge_score = 0;
Tiles new_tiles;
switch (direction) {
case Direction::Left:
@ -215,7 +214,11 @@ Game::Board::SlideResult Game::Board::slide_tiles(Direction direction)
break;
}
bool moved = new_tiles != m_tiles;
bool moved = false;
for (auto& t : m_sliding_tiles) {
if (t.row_from != t.row_to || t.column_from != t.column_to)
moved = true;
}
return { moved, successful_merge_score };
}