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Code Issues Activity Actions

Chess+GameSettings: Optionally highlight the king when in check

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When either king is in check, its square is now highlighted with a red
background. This behavior can be toggled in GameSettings.
This commit is contained in:
Tim Ledbetter 2023-05-09 20:01:47 +01:00 • committed by Sam Atkins
parent 0c26717ba3
commit cf4a43e4c0
6 changed files with 37 additions and 2 deletions
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19
Userland/Games/Chess/ChessWidget.cpp
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@ -62,8 +62,20 @@ void ChessWidget::paint_event(GUI::PaintEvent& event)
painter.fill_rect(tile_rect, (sq.is_light()) ? board_theme().light_square_color : board_theme().dark_square_color);
if (active_board.last_move().has_value() && (active_board.last_move().value().to == sq || active_board.last_move().value().from == sq)) {
painter.fill_rect(tile_rect, m_move_highlight_color);
if (active_board.last_move().has_value()) {
auto const last_move = active_board.last_move().value();
if (last_move.to == sq || last_move.from == sq)
painter.fill_rect(tile_rect, m_move_highlight_color);
auto const piece = active_board.get_piece(sq);
if (m_highlight_checks && last_move.is_check && piece.type == Chess::Type::King && piece.color == active_board.turn()) {
Array<Gfx::ColorStop, 2> colors = {
Gfx::ColorStop { .color = Color::Red, .position = 0.16f },
Gfx::ColorStop { .color = Color::Transparent, .position = .66f }
};
painter.fill_rect_with_radial_gradient(tile_rect, colors, tile_rect.center() - tile_rect.top_left(), tile_rect.size());
}
}
if (m_coordinates) {
@ -750,5 +762,8 @@ void ChessWidget::config_bool_did_change(DeprecatedString const& domain, Depreca
if (key == "ShowCoordinates"sv) {
set_coordinates(value);
update();
} else if (key == "HighlightChecks"sv) {
set_highlight_checks(value);
update();
}
}