corrade-http-templates – Rev 74
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<?php
###########################################################################
## Copyright (C) Wizardry and Steamworks 2015 - License: GNU GPLv3 ##
###########################################################################
## This is a script that uses Corrade's: ##
## * getregiondata ##
## * getavatarpositions ##
## * download ##
## commands in order to display the positions of avatars on the region. ##
###########################################################################
###########################################################################
## CONFIGURATION ##
###########################################################################
require_once('config.php');
require_once('vendor/was/utilities/src/formats/kvp/kvp.php');
require_once('vendor/was/utilities/src/formats/csv/csv.php');
require_once('vendor/was/utilities/src/mathematics/algebra.php');
require_once('vendor/was/utilities/src/lsl/lsl.php');
###########################################################################
## INTERNALS ##
###########################################################################
####
# I. Get the UUID of the map image for the current region
$params = array(
'command' => 'getgridregiondata',
'group' => $GROUP,
'password' => $PASSWORD,
'data' => 'MapImageID'
);
array_walk($params,
function(&$value, $key) {
$value = rawurlencode($key)."=".rawurlencode($value);
}
);
$postvars = implode('&', $params);
if (!($curl = curl_init())) {
print 0;
return;
}
curl_setopt($curl, CURLOPT_URL, $URL);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_POST, true);
curl_setopt($curl, CURLOPT_POSTFIELDS, $postvars);
curl_setopt($curl, CURLOPT_ENCODING, true);
$return = curl_exec($curl);
curl_close($curl);
$success = urldecode(
wasKeyValueGet(
"success",
$return
)
);
if($success == 'False') {
echo 'Unable to get the region map image.';
die;
}
$mapUUID = wasCSVToArray(
urldecode(
wasKeyValueGet(
"data",
$return
)
)
)[1];
####
# II. Download the map image as a PNG file.
$params = array(
'command' => 'download',
'group' => $GROUP,
'password' => $PASSWORD,
'item' => $mapUUID,
'type' => 'Texture',
'format' => 'Png'
);
array_walk($params,
function(&$value, $key) {
$value = rawurlencode($key)."=".rawurlencode($value);
}
);
$postvars = implode('&', $params);
if (!($curl = curl_init())) {
print 0;
return;
}
curl_setopt($curl, CURLOPT_URL, $URL);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_POST, true);
curl_setopt($curl, CURLOPT_POSTFIELDS, $postvars);
curl_setopt($curl, CURLOPT_ENCODING, true);
$return = curl_exec($curl);
curl_close($curl);
if($success == 'False') {
echo 'Unable to download the region map texture.';
die;
}
####
# III. Convert the image data to a PNG of size 512x512
$im = imagescale(
imagecreatefromstring(
base64_decode(
urldecode(
wasKeyValueGet(
"data",
$return
)
)
)
),
512,
512
);
####
# IV. Get the avatar positions on the map.
$params = array(
'command' => 'getavatarpositions',
'group' => $GROUP,
'password' => $PASSWORD,
'entity' => 'region'
);
array_walk($params,
function(&$value, $key) {
$value = rawurlencode($key)."=".rawurlencode($value);
}
);
$postvars = implode('&', $params);
if (!($curl = curl_init())) {
print 0;
return;
}
curl_setopt($curl, CURLOPT_URL, $URL);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_POST, true);
curl_setopt($curl, CURLOPT_POSTFIELDS, $postvars);
curl_setopt($curl, CURLOPT_ENCODING, true);
$return = curl_exec($curl);
curl_close($curl);
$success = urldecode(
wasKeyValueGet(
"success",
$return
)
);
if($success == 'False') {
echo 'Unable to get the avatars positions.';
die;
}
####
# V. Display the coordinates on the map.
array_walk(
array_chunk(
wasCSVToArray(
urldecode(
wasKeyValueGet(
"data",
$return
)
)
),
3
),
function(&$value, $key) use(&$im) {
if(count($value) != 3) return;
$components = wasLSLVectorToArray($value[2]);
if(count($components) != 3) return;
$x = mapValueToRange($components[0], 0, 255, 0, 512);
$y = 512 - mapValueToRange($components[1], 0, 255, 0, 512);
imagefilledellipse(
$im,
$x,
$y,
8,
8,
imagecolorallocate(
$im,
0,
0,
0
)
);
imagefilledellipse(
$im,
$x,
$y,
6,
6,
imagecolorallocate(
$im,
0,
255,
0
)
);
}
);
####
# VI. Output the Base64 encoded image for AJAX.
ob_start();
imagepng($im);
$png = ob_get_contents();
imagedestroy($im);
ob_end_clean();
echo base64_encode($png);
?>