1 files changed, 116 insertions, 4 deletions

diff --git a/include/prelude.php b/include/prelude.php
index e7d6324..bebcdf5 100644
--- a/include/prelude.php
+++ b/include/prelude.php
@@ -1,5 +1,17 @@
 <?php
-	function readConfig($key) {
+	function maybe_use_cache($addr, $lifetime = 0xE10) {
+		if (file_exists($addr) && filemtime($addr) > time() - $lifetime) {
+			echo file_get_contents($addr);
+
+			exit;
+		}
+	}
+
+	function dump_cache($addr, $buffer) {
+		file_put_contents($addr, $buffer);
+	}
+
+	function read_config($key) {
 		if (isset($_GET[$key])) {
 			return htmlspecialchars($_GET[$key], ENT_SUBSTITUTE, "UTF-8");
 		} else {
@@ -7,7 +19,7 @@
 		}
 	}
 
-	function pageColours($page) {
+	function page_colours($page) {
 		return match ($page) {
 			"achernar"   => ["#007B34", "#FFFFFF"],
 			"agbsum"     => ["#4D4084", "#FFFFFF"],
@@ -26,13 +38,113 @@
 		};
 	}
 
-	function addHeading($title, $anchor) {
+	function page_metadata($page) {
+		return match ($page) {
+			"achernar" => [
+				"Achernar",
+				"Achernar is a Danish indie studio developing video games and open-source software.",
+				"achernar, fractals, game, open source, open-source, software, video game",
+			],
+
+			"agbsum" => [
+				"agbsum | Achernar",
+				"agbsum is a CLI utility for patching AGB images.",
+				"achernar, advance, agb, agbsum, cli, console, embedded, game, patch, terminal",
+			],
+
+			"ax" => [
+				"AX | Achernar",
+				"AX is a C framework for developing AGB apps.",
+				"achernar, advance, agb, arm, assembly, ax, c, c++, cpp, cxx, thumb",
+			],
+
+			"backspace" => [
+				"Backspace | Achernar",
+				"About the Backspace game engine.",
+				"achernar, backspace, game engine, rust, udp, webgpu",
+			],
+
+			"benoit" => [
+				"Benoit | Achernar",
+				"Benoit is a Rust-written fractal renderer.",
+				"achernar, benoit, burning ship, cli, console, fractal, julia, mandelbrot, rust, terminal, tricorn, webgpu",
+			],
+
+			"bowshock" => [
+				"Bowshock | Achernar",
+				"About Bowshock.",
+				"achernar, bowshock, dangerous, frontier, game, rust, open world, sci-fi, science fiction, space, video game",
+			],
+
+			"bzipper" => [
+				"bzipper | Achernar",
+				"bzipper is a Rust crate for serialisation and deserialisation of binary streams.",
+				"achernar, binary, bzipper, deserialise, deserialiser, deserialize, deserializer, octet, serialize, serializer, serialize, serializer, tcp, udp",
+			],
+
+			"deltaWorld" => [
+				"Delta&middot;World | Achernar",
+				"About Delta World.",
+				"achernar, adventure, delta world, open world, rust, webgpu",
+			],
+
+			"dux" => [
+				"Dux | Achernar",
+				"Dux is a cross-platform widgeting library for developing GUI applications.",
+				"achernar, dux, multimedia, rust, webgpu, widget",
+			],
+
+			"eas" => [
+				"eAS | Achernar",
+				"eAS is an assembler for cross-compiling to Arm ISAs.",
+				"achernar, agb, arm, as, asm, assembler, assembly, eas, embedded, risc, thumb",
+			],
+
+			"luma" => [
+				"Luma | Achernar",
+				"Luma is an emulator for the AGB line of devices.",
+				"achernar, agb, arm, emulator, luma, rust, thumb",
+			],
+
+			"pollex" => [
+				"Pollex | Achernar",
+				"Pollex is a Rust crate for manipulating Arm ISA instructions.",
+				"achernar, agb, arm, pollex, rust, thumb",
+			],
+
+			"u8c" => [
+				"u8c | Achernar",
+				"u8c is a library for handling Unicode sequences in C.",
+				"achernar, u8c, unicode, utf, utf-16, utf-32, utf-8, utf16, utf32, utf8",
+			],
+
+			default => die(),
+		};
+	}
+
+	function add_nav_bar_link($title, $page) {
+		global $current_page;
+
+		$ariaCurrent = match ($page) {
+			$current_page => "page",
+			default       => "false",
+		};
+
+		$id = match ($page) {
+			"achernar" => "home",
+			default    => "",
+		};
+
+		echo "<a aria-current=\"$ariaCurrent\" href=\"?p=$page\" id=\"$id\">$title</a>";
+	}
+
+	function add_heading($title, $anchor) {
 		$anchor = "anchor." . $anchor;
 
 		echo "<h1 id=\"$anchor\"><a class=\"anchor\" href=\"#$anchor\" title=\"Anchor\"></a> $title</h1>";
 	}
 
-	function addImage($image, $alt) {
+	function add_image($image, $alt) {
 		$sourceAddr    = "/image/source/" . $image . ".webp";
 		$thumbnailAddr = "/image/thumbnail/" . $image . ".avif";