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#include "Field.h"
#include <LibGUI/GButton.h>
#include <LibGUI/GLabel.h>
#include <AK/HashTable.h>
#include <unistd.h>
#include <time.h>
class SquareButton final : public GButton {
public:
SquareButton(GWidget* parent)
: GButton(parent)
{
}
Function<void()> on_right_click;
virtual void mousedown_event(GMouseEvent& event) override
{
if (event.button() == GMouseButton::Right) {
if (on_right_click)
on_right_click();
}
GButton::mousedown_event(event);
}
};
Field::Field(GWidget* parent)
: GFrame(parent)
{
set_frame_thickness(2);
set_frame_shape(FrameShape::Container);
set_frame_shadow(FrameShadow::Sunken);
m_mine_bitmap = GraphicsBitmap::load_from_file("/res/icons/minesweeper/mine.png");
m_flag_bitmap = GraphicsBitmap::load_from_file("/res/icons/minesweeper/flag.png");
for (int i = 0; i < 8; ++i)
m_number_bitmap[i] = GraphicsBitmap::load_from_file(String::format("/res/icons/minesweeper/%u.png", i + 1));
set_fill_with_background_color(true);
set_background_color(Color::LightGray);
reset();
}
Field::~Field()
{
}
template<typename Callback>
void Field::for_each_neighbor_of(const Square& square, Callback callback)
{
int r = square.row;
int c = square.column;
if (r > 0) // Up
callback(this->square(r - 1, c));
if (c > 0) // Left
callback(this->square(r, c - 1));
if (r < (m_rows - 1)) // Down
callback(this->square(r + 1, c));
if (c < (m_columns - 1)) // Right
callback(this->square(r, c + 1));
if (r > 0 && c > 0) // UpLeft
callback(this->square(r - 1, c - 1));
if (r > 0 && c < (m_columns - 1)) // UpRight
callback(this->square(r - 1, c + 1));
if (r < (m_rows - 1) && c > 0) // DownLeft
callback(this->square(r + 1, c - 1));
if (r < (m_rows - 1) && c < (m_columns - 1)) // DownRight
callback(this->square(r + 1, c + 1));
}
void Field::reset()
{
set_greedy_for_hits(false);
srand(time(nullptr));
m_squares.resize(rows() * columns());
HashTable<int> mines;
for (int i = 0; i < m_mine_count; ++i)
mines.set(rand() % (rows() * columns()));
int i = 0;
for (int r = 0; r < rows(); ++r) {
for (int c = 0; c < columns(); ++c) {
Rect rect = { frame_thickness() + c * square_size(), frame_thickness() + r * square_size(), square_size(), square_size() };
auto& square = this->square(r, c);
square.row = r;
square.column = c;
square.has_mine = mines.contains(i);
square.has_flag = false;
square.is_swept = false;
if (!square.label)
square.label = new GLabel(this);
square.label->set_relative_rect(rect);
square.label->set_visible(false);
square.label->set_icon(square.has_mine ? m_mine_bitmap : nullptr);
square.label->set_background_color(Color::from_rgb(0xff4040));
square.label->set_fill_with_background_color(false);
if (!square.button)
square.button = new SquareButton(this);
square.button->set_icon(nullptr);
square.button->set_relative_rect(rect);
square.button->set_visible(true);
square.button->on_click = [this, &square] (GButton&) {
on_square_clicked(square);
};
square.button->on_right_click = [this, &square] {
on_square_right_clicked(square);
};
++i;
}
}
for (int r = 0; r < rows(); ++r) {
for (int c = 0; c < columns(); ++c) {
auto& square = this->square(r, c);
int number = 0;
for_each_neighbor_of(square, [&number] (auto& neighbor) {
number += neighbor.has_mine;
});
square.number = number;
if (square.has_mine)
continue;
if (square.number)
square.label->set_icon(m_number_bitmap[square.number - 1].copy_ref());
}
}
update();
}
void Field::flood_fill(Square& square)
{
on_square_clicked(square);
for_each_neighbor_of(square, [this] (auto& neighbor) {
if (!neighbor.is_swept && !neighbor.has_mine && neighbor.number == 0)
flood_fill(neighbor);
});
}
void Field::on_square_clicked(Square& square)
{
if (square.is_swept)
return;
if (square.has_flag)
return;
square.is_swept = true;
square.button->set_visible(false);
square.label->set_visible(true);
if (square.has_mine) {
square.label->set_fill_with_background_color(true);
game_over();
} else if (square.number == 0) {
flood_fill(square);
}
}
void Field::on_square_right_clicked(Square& square)
{
if (square.is_swept)
return;
square.has_flag = !square.has_flag;
square.button->set_icon(square.has_flag ? m_flag_bitmap : nullptr);
square.button->update();
}
void Field::game_over()
{
set_greedy_for_hits(true);
for (int r = 0; r < rows(); ++r) {
for (int c = 0; c < columns(); ++c) {
auto& square = this->square(r, c);
if (square.has_mine) {
square.button->set_visible(false);
square.label->set_visible(true);
}
}
}
update();
}
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