m. update

1 files changed, 73 insertions, 0 deletions

diff --git a/includes/bitset.php b/includes/bitset.php
new file mode 100644
index 0000000..272325a
--- /dev/null
+++ b/includes/bitset.php
@@ -0,0 +1,73 @@
+<?php
+
+function parseBitset ($bitset) {
+    $bin = str_repeat("0", 24 - strlen(decbin($bitset))) . decbin($bitset);
+
+    $sharedMemory = bindec(substr($bin, 0, 2));
+    $median = substr($bin, 2, 1) !== "0";
+    $little = bindec(substr($bin, 3, 2));
+    $protector = substr($bin, 5, 1) !== "0";
+    $fictive = substr($bin, 6, 1) !== "0";
+    $notTalking = substr($bin, 7, 1) !== "0";
+    $host = substr($bin, 8, 1) !== "0";
+    $robot = substr($bin, 21, 1) !== "0";
+    $species1 = substr($bin, 9, 4);
+    $species2 = substr($bin, 13, 4);
+
+    $species1 = match ($species1) {
+        "0001" => "earth",
+        "0010" => "unicorn",
+        "0011" => "pegasus",
+        "0100" => "alicorn",
+        "0101" => "batpony",
+        "0110" => "crystal",
+        default => null,
+    };
+
+    $species2 = match ($species2) {
+        "0001" => "earth",
+        "0010" => "unicorn",
+        "0011" => "pegasus",
+        "0100" => "alicorn",
+        "0101" => "batpony",
+        "0110" => "crystal",
+        default => null,
+    };
+
+    return [
+        'shared_memory' => $sharedMemory,
+        'median' => $median,
+        'protector' => $protector,
+        'fictive' => $fictive,
+        'little' => $little,
+        'not_talking' => $notTalking,
+        'host' => $host,
+        'robot' => $robot,
+        'species' => array_filter([
+            $species1,
+            $species2
+        ], function ($i) {
+            return isset($i);
+        })
+    ];
+}
+
+function parseMetadata ($metadata) {
+    if (isset($metadata)) {
+        if ($metadata["bitset"]) {
+            $m = parseBitset($metadata["bitset"]);
+            $m["marefriends"] = $metadata["marefriends"] ?? [];
+            $m["bitset"] = $metadata["bitset"] ?? [];
+            $m["sisters"] = $metadata["sisters"] ?? [];
+            $m["regression"] = $metadata["regression"] ?? null;
+            $m["caretakers"] = $metadata["caretakers"] ?? [];
+            $m["median"] = $metadata["median"] ?? null;
+        } else {
+            $m = $metadata;
+        }
+
+        return $m;
+    } else {
+        return $metadata;
+    }
+}
\ No newline at end of file