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
|
<?php
namespace GameBoy\Canvas;
use Drawille\Canvas;
use GameBoy\Settings;
class TerminalCanvas implements DrawContextInterface
{
protected $canvas;
/**
* If is a color enabled canvas, set to true
* @var Boolean
*/
public $colorEnabled = false;
protected $currentSecond = 0;
protected $framesInSecond = 0;
protected $fps = 0;
protected $lastFrame;
protected $lastFrameCanvasBuffer;
private $width = 0;
private $height = 0;
public function __construct()
{
$this->canvas = new Canvas();
}
/**
* Draw image on canvas using braille font.
*
* @param object $canvasBuffer $data = Each pixel (true/false)
* @param int $left
* @param int $top
*/
public function draw($canvasBuffer, $left, $top)
{
//Calculate current FPS
if ($this->currentSecond != time()) {
$this->fps = $this->framesInSecond;
$this->currentSecond = time();
$this->framesInSecond = 1;
} else {
++$this->framesInSecond;
}
//If the last frame changed, we draw
// @TODO - The FPS will be wrong, need to find a way to update
// without redraw
if ($canvasBuffer != $this->lastFrameCanvasBuffer) {
//Clear the pixels from the canvas
$this->canvas->clear();
//Corner pixel, to draw same size each time
$this->canvas->set(0, 0);
$this->canvas->set(159, 143);
$y = 0;
$count = count($canvasBuffer);
for ($i = 0; $i < $count; $i++) {
$x = $i % 160;
if ($canvasBuffer[$i]) {
$this->canvas->set($x, $y);
}
if ($x == 159) {
++$y;
}
}
$frame = $this->canvas->frame([
'min_x' => 0,
'max_x' => 79
]);
$this->lastFrame = $frame;
$this->lastFrameCanvasBuffer = $canvasBuffer;
$content = "\e[H\e[2J";
if ($this->height > 0 && $this->width > 0) {
$content = "\e[{$this->height}A\e[{$this->width}D";
}
$content .= sprintf('FPS: %d - Frame Skip: %s'.PHP_EOL, $this->fps, Settings::$frameskipAmout);
$content .= $frame;
echo $content;
$this->height = substr_count($frame, PHP_EOL) + 1;
$this->width = strpos($frame, PHP_EOL);
}
}
}
|