src restructure, world map

public/assets/css/dragon.css

@@ -414,7 +414,7 @@ span.badge {
 	left: 0;
 }
 
-#debug-query-log {
+.debug-query-log {
 	padding: 2rem;
 	font-size: 14px;
 	color: #666;

public/index.php

@@ -38,11 +38,8 @@ router_post($r, '/character/delete', 'char_controller_delete_post');
 /*
 	World
 */
-router_get($r, '/world', function () {
+router_get($r, '/world', 'world_controller_get');
-	auth_only_and_must_have_character();
+router_post($r, '/move', 'world_controller_move_post');
-	$GLOBALS['active_nav_tab'] = 'world';
-	echo page('world/base');
-});
 
 /*
 	Router

src/bootstrap.php

@@ -6,22 +6,23 @@ session_start();
 
 // Source libraries
 require_once SRC . '/helpers.php';
-require_once SRC . '/env.php';
+require_once SRC . '/util/env.php';
-require_once SRC . '/database.php';
+require_once SRC . '/util/database.php';
-require_once SRC . '/auth.php';
+require_once SRC . '/util/auth.php';
-require_once SRC . '/router.php';
+require_once SRC . '/util/router.php';
-require_once SRC . '/components.php';
+require_once SRC . '/util/components.php';
-require_once SRC . '/render.php';
+require_once SRC . '/util/render.php';
 
 // Database models
-require_once SRC . '/models/user.php';
+require_once SRC . '/model/user.php';
-require_once SRC . '/models/session.php';
+require_once SRC . '/model/session.php';
-require_once SRC . '/models/token.php';
+require_once SRC . '/model/token.php';
-require_once SRC . '/models/char.php';
+require_once SRC . '/model/char.php';
 
 // Controllers
-require_once SRC . '/controllers/char.php';
+require_once SRC . '/controller/char.php';
-require_once SRC . '/controllers/auth.php';
+require_once SRC . '/controller/auth.php';
+require_once SRC . '/controller/world.php';
 
 // Track the start time of the request
 define('START_TIME', microtime(true));

src/controller/world.php

@@ -0,0 +1,56 @@
+<?php
+
+/**
+ * Print the world page.
+ */
+function world_controller_get()
+{
+	auth_only_and_must_have_character();
+	$GLOBALS['active_nav_tab'] = 'world';
+	echo page('world/base');
+}
+
+/**
+ * Handle a request to move a character.
+ */
+function world_controller_move_post()
+{
+	auth_only_and_must_have_character(); csrf_ensure();
+
+	// direction must exist
+	$direction = $_POST['direction'] ?? false;
+
+	// direction must be valid; 0-3 are sent from the client
+	if (!is_numeric($direction) || $direction < 0 || $direction > 3 || $direction === false) router_error(999);
+
+	// Update the character's position
+	// 0 = up, 1 = down, 2 = left, 3 = right
+	$x = location('x');
+	$y = location('y');
+
+	switch ($direction) {
+		case 0: $y--; break;
+		case 1: $y++; break;
+		case 2: $x--; break;
+		case 3: $x++; break;
+	}
+
+	// Update the character's position
+	$r = db_query(db_live(), 'UPDATE char_locations SET x = :x, y = :y WHERE char_id = :c', [
+		':x' => $x,
+		':y' => $y,
+		':c' => char('id')
+	]);
+
+	// If the query failed, throw an error
+	if ($r === false) throw new Exception('Failed to move character. (wcmp)');
+
+	// If this is an HTMX request, return the new world page
+	if (is_htmx()) {
+		echo render('pages/world/base');
+		exit;
+	}
+
+	// Redirect back to the world page
+	redirect('/world');
+}

src/helpers.php

@@ -185,6 +185,25 @@ function wallet($field = '')
 	return $GLOBALS['wallet'][$field] ?? false;
 }
 
+/**
+ * Access the character location. On first execution it will populate $GLOBALS['location'] with the location data. This
+ * way the data is up to date with every request without having to query the database every use within, for example, a
+ * template. Will return false if the field does not exist, or the entire location array if no field is specified.
+ */
+function location($field = '')
+{
+	if (empty($GLOBALS['location'])) {
+		$GLOBALS['location'] = db_query(
+			db_live(),
+			"SELECT * FROM char_locations WHERE char_id = :c",
+			[':c' => char('id')]
+		)->fetchArray(SQLITE3_ASSOC);
+	}
+
+	if ($field === '') return $GLOBALS['location'];
+	return $GLOBALS['location'][$field] ?? false;
+}
+
 /**
  * Format an array of strings to a ul element.
  */
@@ -231,3 +250,11 @@ function ce($condition, $value, $or = '')
 {
 	echo $condition ? $value : $or;
 }
+
+/**
+ * Get whether the request is an HTMX request.
+ */
+function is_htmx(): bool
+{
+	return isset($_SERVER['HTTP_HX_REQUEST']);
+}

src/util/database.php

@@ -22,7 +22,7 @@ function db_open($path)
  */
 function db_auth()
 {
-	return $GLOBALS['db_auth'] ??= db_open(__DIR__ . '/../database/auth.db');
+	return $GLOBALS['db_auth'] ??= db_open(SRC . '/../database/auth.db');
 }
 
 /**
@@ -30,7 +30,7 @@ function db_auth()
  */
 function db_live()
 {
-	return $GLOBALS['db_live'] ??= db_open(__DIR__ . '/../database/live.db');
+	return $GLOBALS['db_live'] ??= db_open(SRC . '/../database/live.db');
 }
 
 
@@ -39,7 +39,7 @@ function db_live()
  */
 function db_fights()
 {
-	return $GLOBALS['db_fights'] ??= db_open(__DIR__ . '/../database/fights.db');
+	return $GLOBALS['db_fights'] ??= db_open(SRC . '/../database/fights.db');
 }
 
 
@@ -48,7 +48,7 @@ function db_fights()
  */
 function db_blueprints()
 {
-	return $GLOBALS['db_blueprints'] ??= db_open(__DIR__ . '/../database/blueprints.db');
+	return $GLOBALS['db_blueprints'] ??= db_open(SRC . '/../database/blueprints.db');
 }
 
 /**

src/util/render.php

@@ -5,7 +5,7 @@
  */
 function template($name)
 {
-	return __DIR__ . "/../templates/$name.php";
+	return SRC . "/../templates/$name.php";
 }
 
 /**

templates/components/debug_query_log.php

@@ -1,4 +1,4 @@
-<div id="debug-query-log">
+<div class="debug-query-log">
 	<h3>Query Log</h3>
 	<p class="mb-2"><?= $GLOBALS['queries'] ?> queries were executed.</p>
 	<?php

templates/components/debug_stopwatch.php

@@ -1,4 +1,4 @@
-<div id="debug-query-log">
+<div class="debug-query-log">
 	<h3>Stopwatches</h3>
 	<p class="mb-2">Page execution took <?= number_format((microtime(true) - START_TIME), 10) ?> seconds.</p>
 	<p>Bootstrap: <?= stopwatch_get('bootstrap') ?> seconds</p>

templates/components/world_map.php

@@ -1,34 +0,0 @@
-<canvas></canvas>
-
-<script>
-	const canvas = document.querySelector('canvas');
-	const ctx = canvas.getContext('2d');
-
-	canvas.width = 800;
-	canvas.height = 600;
-
-	const tile_height = 32;
-	const tile_width = 32;
-
-	const map = [
-		0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-		0, 1, 1, 1, 1, 1, 1, 1, 1, 0,
-		0, 1, 0, 0, 0, 0, 0, 0, 1, 0,
-		0, 1, 0, 0, 0, 0, 0, 0, 1, 0,
-		0, 1, 0, 0, 0, 0, 0, 0, 1, 0,
-		0, 1, 0, 0, 0, 0, 0, 0, 1, 0,
-		0, 1, 0, 0, 0, 0, 0, 0, 1, 0,
-		0, 1, 0, 0, 0, 0, 0, 0, 1, 0,
-		0, 1, 1, 1, 1, 1, 1, 1, 1, 0,
-		0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	];
-
-	// render the map
-	map.forEach((tile, index) => {
-		const x = (index % 10) * tile_width;
-		const y = Math.floor(index / 10) * tile_height;
-
-		ctx.fillStyle = tile === 0 ? 'black' : 'white';
-		ctx.fillRect(x, y, tile_width, tile_height);
-	});
-</script>

templates/layouts/basic.php

@@ -5,6 +5,7 @@
 	<meta name="viewport" content="width=device-width, initial-scale=1.0">
 	<title>Dragon Knight</title>
 	<link rel="stylesheet" href="/assets/css/dragon.css">
+	<script src="/assets/scripts/htmx.js"></script>
 </head>
 <body>
 	<header>

templates/pages/world/base.php

@@ -1,3 +1,113 @@
+<div id="target_world_map">
 <h1>World</h1>
+<p>Use WASD keys to move the character</p>
+<p>Current location: <?= location('x') ?>, <?= location('y') ?></p>
 
-<?= render('components/world_map') ?>
+<canvas id="canvas"></canvas>
+
+<form hx-post="/move" hx-target="target_world_map" hx-swap="outerHTML" id="form_move">
+	<?= csrf_field() ?>
+	<input type="hidden" name="direction" value="">
+</form>
+
+<script>
+	const canvas = document.getElementById('canvas');
+	const ctx = canvas.getContext('2d');
+
+	let char_x = <?= location('x') ?>;
+	let char_y = <?= location('y') ?>;
+
+	// Configuration
+	const TILE_SIZE = 40; // Fixed size for each tile
+
+	// Sample tile map (0 = empty, 1 = filled)
+	const tileMap = [
+		[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+		[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+		[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+		[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+		[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+		[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+		[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+		[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+		[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+		[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+		[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
+	];
+
+	// Turn the value at the player's coordinates to be 1 in the map array
+	tileMap[char_y][char_x] = 1;
+
+	const tileColors = {
+		0: '#fff',  // Empty tile
+		1: '#333'   // Wall tile
+	};
+
+	function resizeCanvas() {
+		// Calculate the actual dimensions needed for the map
+		const mapWidth = tileMap[0].length * TILE_SIZE;
+		const mapHeight = tileMap.length * TILE_SIZE;
+
+		// Get the container's width
+		const containerWidth = canvas.parentElement.clientWidth;
+
+		// Calculate the scale factor to fit the map width to the container
+		const scale = Math.min(1, containerWidth / mapWidth);
+
+		// Set canvas size using the scale factor
+		canvas.width = mapWidth * scale;
+		canvas.height = mapHeight * scale;
+
+		// Scale the context to maintain tile dimensions
+		ctx.scale(scale, scale);
+
+		// Render the map after resize
+		renderMap();
+	}
+
+	function renderMap() {
+		// Clear the canvas
+		ctx.clearRect(0, 0, canvas.width, canvas.height);
+
+		// Draw each tile
+		for (let row = 0; row < tileMap.length; row++) {
+			for (let col = 0; col < tileMap[row].length; col++) {
+				const tileType = tileMap[row][col];
+				const x = col * TILE_SIZE;
+				const y = row * TILE_SIZE;
+
+				ctx.fillStyle = tileColors[tileType];
+				ctx.fillRect(x, y, TILE_SIZE, TILE_SIZE);
+
+				// Draw tile borders
+				ctx.strokeStyle = '#999';
+				ctx.strokeRect(x, y, TILE_SIZE, TILE_SIZE);
+			}
+		}
+	}
+
+	// Initial setup
+	resizeCanvas();
+
+	// Handle window resizing
+	window.addEventListener('resize', resizeCanvas);
+
+	// On WASD key press, send a POST request to move the character using the form
+	window.addEventListener('keydown', (e) => {
+		if (!['w', 'a', 's', 'd'].includes(e.key)) return;
+
+		el = document.querySelector('input[name="direction"]');
+
+		// update the direction input to be 0-3 based on the key pressed
+		// 0 = up, 1 = down, 2 = left, 3 = right
+		el.value = {
+			'w': 0,
+			's': 1,
+			'a': 2,
+			'd': 3
+		}[e.key];
+
+		htmx.trigger(document.getElementById('form_move'), 'submit');
+	});
+</script>
+</div>