1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
/*
* Copyright (c) 2020, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "BoardView.h"
#include <LibGUI/Painter.h>
#include <LibGfx/Font.h>
#include <LibGfx/FontDatabase.h>
#include <LibGfx/Palette.h>
BoardView::BoardView(const Game::Board* board)
: m_board(board)
{
}
BoardView::~BoardView()
{
}
void BoardView::set_board(const Game::Board* board)
{
if (m_board == board)
return;
if (!board) {
m_board = nullptr;
return;
}
bool must_resize = !m_board || m_board->size() != board->size();
m_board = board;
if (must_resize)
resize();
update();
}
void BoardView::pick_font()
{
String best_font_name;
int best_font_size = -1;
auto& font_database = Gfx::FontDatabase::the();
font_database.for_each_font([&](const Gfx::Font& font) {
if (font.family() != "Liza" || font.weight() != 700)
return;
auto size = font.glyph_height();
if (size * 2 <= m_cell_size && size > best_font_size) {
best_font_name = font.qualified_name();
best_font_size = size;
}
});
auto font = font_database.get_by_name(best_font_name);
set_font(font);
}
size_t BoardView::rows() const
{
if (!m_board)
return 0;
return m_board->size();
}
size_t BoardView::columns() const
{
if (!m_board)
return 0;
if (m_board->is_empty())
return 0;
return (*m_board)[0].size();
}
void BoardView::resize_event(GUI::ResizeEvent&)
{
resize();
}
void BoardView::resize()
{
constexpr float padding_ratio = 7;
m_padding = min(
width() / (columns() * (padding_ratio + 1) + 1),
height() / (rows() * (padding_ratio + 1) + 1));
m_cell_size = m_padding * padding_ratio;
pick_font();
}
void BoardView::keydown_event(GUI::KeyEvent& event)
{
if (!on_move)
return;
switch (event.key()) {
case KeyCode::Key_A:
case KeyCode::Key_Left:
on_move(Game::Direction::Left);
break;
case KeyCode::Key_D:
case KeyCode::Key_Right:
on_move(Game::Direction::Right);
break;
case KeyCode::Key_W:
case KeyCode::Key_Up:
on_move(Game::Direction::Up);
break;
case KeyCode::Key_S:
case KeyCode::Key_Down:
on_move(Game::Direction::Down);
break;
default:
return;
}
}
Gfx::Color BoardView::background_color_for_cell(u32 value)
{
switch (value) {
case 0:
return Color::from_rgb(0xcdc1b4);
case 2:
return Color::from_rgb(0xeee4da);
case 4:
return Color::from_rgb(0xede0c8);
case 8:
return Color::from_rgb(0xf2b179);
case 16:
return Color::from_rgb(0xf59563);
case 32:
return Color::from_rgb(0xf67c5f);
case 64:
return Color::from_rgb(0xf65e3b);
case 128:
return Color::from_rgb(0xedcf72);
case 256:
return Color::from_rgb(0xedcc61);
case 512:
return Color::from_rgb(0xedc850);
case 1024:
return Color::from_rgb(0xedc53f);
case 2048:
return Color::from_rgb(0xedc22e);
default:
VERIFY(value > 2048);
return Color::from_rgb(0x3c3a32);
}
}
Gfx::Color BoardView::text_color_for_cell(u32 value)
{
if (value <= 4)
return Color::from_rgb(0x776e65);
return Color::from_rgb(0xf9f6f2);
}
void BoardView::paint_event(GUI::PaintEvent& event)
{
Frame::paint_event(event);
Color background_color = Color::from_rgb(0xbbada0);
GUI::Painter painter(*this);
painter.add_clip_rect(event.rect());
painter.add_clip_rect(frame_inner_rect());
painter.translate(frame_thickness(), frame_thickness());
if (!m_board) {
painter.fill_rect(rect(), background_color);
return;
}
auto& board = *m_board;
Gfx::IntRect field_rect {
0,
0,
static_cast<int>(m_padding + (m_cell_size + m_padding) * columns()),
static_cast<int>(m_padding + (m_cell_size + m_padding) * rows())
};
field_rect.center_within(rect());
painter.fill_rect(field_rect, background_color);
for (size_t column = 0; column < columns(); ++column) {
for (size_t row = 0; row < rows(); ++row) {
auto rect = Gfx::IntRect {
field_rect.x() + m_padding + (m_cell_size + m_padding) * column,
field_rect.y() + m_padding + (m_cell_size + m_padding) * row,
m_cell_size,
m_cell_size,
};
auto entry = board[row][column];
painter.fill_rect(rect, background_color_for_cell(entry));
if (entry > 0)
painter.draw_text(rect, String::number(entry), font(), Gfx::TextAlignment::Center, text_color_for_cell(entry));
}
}
}
|
