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<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Warehouse Optimization Demo</title>
<style>
body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
max-width: 1200px;
margin: 0 auto;
padding: 20px;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
min-height: 100vh;
}
.container {
background: white;
border-radius: 15px;
padding: 30px;
box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}
h1 {
color: #333;
text-align: center;
margin-bottom: 10px;
}
.subtitle {
text-align: center;
color: #666;
margin-bottom: 30px;
}
.controls {
display: flex;
gap: 15px;
margin-bottom: 20px;
flex-wrap: wrap;
justify-content: center;
}
button {
padding: 12px 24px;
font-size: 16px;
border: none;
border-radius: 8px;
cursor: pointer;
transition: all 0.3s;
font-weight: 600;
}
.btn-primary {
background: #4CAF50;
color: white;
}
.btn-primary:hover {
background: #45a049;
transform: translateY(-2px);
box-shadow: 0 4px 12px rgba(76, 175, 80, 0.4);
}
.btn-secondary {
background: #2196F3;
color: white;
}
.btn-secondary:hover {
background: #0b7dda;
transform: translateY(-2px);
box-shadow: 0 4px 12px rgba(33, 150, 243, 0.4);
}
.btn-danger {
background: #f44336;
color: white;
}
.btn-danger:hover {
background: #da190b;
transform: translateY(-2px);
box-shadow: 0 4px 12px rgba(244, 67, 54, 0.4);
}
button:disabled {
opacity: 0.5;
cursor: not-allowed;
transform: none !important;
}
.difficulty-selector {
display: flex;
gap: 10px;
align-items: center;
justify-content: center;
margin-bottom: 20px;
}
.difficulty-selector label {
font-weight: 600;
color: #333;
}
.difficulty-selector select {
padding: 8px 16px;
border-radius: 6px;
border: 2px solid #ddd;
font-size: 14px;
}
#visualization {
border: 3px solid #333;
border-radius: 10px;
padding: 20px;
margin-bottom: 20px;
min-height: 400px;
background: #fafafa;
}
.stats {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
gap: 15px;
margin-bottom: 20px;
}
.stat-card {
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
color: white;
padding: 15px;
border-radius: 8px;
text-align: center;
}
.stat-card h3 {
margin: 0 0 5px 0;
font-size: 14px;
opacity: 0.9;
}
.stat-card p {
margin: 0;
font-size: 24px;
font-weight: bold;
}
.mode-toggle {
text-align: center;
margin-bottom: 20px;
padding: 15px;
background: #f0f0f0;
border-radius: 8px;
}
.manual-controls {
display: grid;
grid-template-columns: repeat(3, 80px);
gap: 10px;
justify-content: center;
margin-top: 15px;
}
.manual-controls button {
width: 80px;
height: 80px;
font-size: 24px;
}
.hidden {
display: none;
}
#message {
padding: 15px;
border-radius: 8px;
margin-bottom: 20px;
text-align: center;
font-weight: 500;
}
.success {
background: #d4edda;
color: #155724;
border: 1px solid #c3e6cb;
}
.error {
background: #f8d7da;
color: #721c24;
border: 1px solid #f5c6cb;
}
.info {
background: #d1ecf1;
color: #0c5460;
border: 1px solid #bee5eb;
}
.speed-control {
text-align: center;
margin-bottom: 15px;
}
.speed-control label {
margin-right: 10px;
font-weight: 600;
}
.speed-control input {
width: 200px;
}
</style>
</head>
<body>
<div class="container">
<h1>🏭 Warehouse Optimization Environment</h1>
<p class="subtitle">Watch an AI agent navigate a warehouse to pick up and deliver packages!</p>
<div class="difficulty-selector">
<label for="difficulty">Difficulty Level:</label>
<select id="difficulty">
<option value="1">Level 1 - Simple (5×5, 1 package)</option>
<option value="2" selected>Level 2 - Easy (8×8, 2 packages)</option>
<option value="3">Level 3 - Medium (10×10, 3 packages)</option>
<option value="4">Level 4 - Hard (15×15, 5 packages)</option>
<option value="5">Level 5 - Expert (20×20, 8 packages)</option>
</select>
<button class="btn-secondary" id="applyDifficulty">Apply</button>
</div>
<div class="stats">
<div class="stat-card">
<h3>Steps</h3>
<p id="steps">0 / 0</p>
</div>
<div class="stat-card">
<h3>Packages Delivered</h3>
<p id="delivered">0 / 0</p>
</div>
<div class="stat-card">
<h3>Cumulative Reward</h3>
<p id="reward">0.0</p>
</div>
</div>
<div id="message" class="hidden"></div>
<div class="mode-toggle">
<label>
<input type="radio" name="mode" value="auto" checked> Auto-Play Mode
</label>
<label style="margin-left: 20px;">
<input type="radio" name="mode" value="manual"> Manual Control
</label>
</div>
<div id="auto-controls" class="controls">
<button class="btn-primary" id="startBtn">▶️ Start Auto-Play</button>
<button class="btn-danger" id="stopBtn" disabled>⏸️ Stop</button>
<button class="btn-secondary" id="resetBtn">🔄 Reset</button>
<div class="speed-control">
<label for="speed">Speed:</label>
<input type="range" id="speed" min="100" max="2000" value="500" step="100">
<span id="speedLabel">500ms</span>
</div>
</div>
<div id="manual-controls" class="hidden">
<div class="controls">
<button class="btn-secondary" id="resetManualBtn">🔄 Reset</button>
</div>
<div class="manual-controls">
<div></div>
<button class="btn-primary" onclick="manualAction(0)">⬆️</button>
<div></div>
<button class="btn-primary" onclick="manualAction(2)">⬅️</button>
<button class="btn-primary" onclick="manualAction(4)">📦 Pick</button>
<button class="btn-primary" onclick="manualAction(3)">➡️</button>
<div></div>
<button class="btn-primary" onclick="manualAction(1)">⬇️</button>
<button class="btn-primary" onclick="manualAction(5)">📤 Drop</button>
</div>
</div>
<div id="visualization">
<p style="text-align: center; color: #999;">Click "Start Auto-Play" or "Reset" to begin!</p>
</div>
</div>
<script>
let autoPlayInterval = null;
let currentMode = 'auto';
const baseUrl = window.location.origin;
// Mode switching
document.querySelectorAll('input[name="mode"]').forEach(radio => {
radio.addEventListener('change', (e) => {
currentMode = e.target.value;
if (currentMode === 'auto') {
document.getElementById('auto-controls').classList.remove('hidden');
document.getElementById('manual-controls').classList.add('hidden');
} else {
document.getElementById('auto-controls').classList.add('hidden');
document.getElementById('manual-controls').classList.remove('hidden');
stopAutoPlay();
}
});
});
// Speed control
document.getElementById('speed').addEventListener('input', (e) => {
const speed = e.target.value;
document.getElementById('speedLabel').textContent = speed + 'ms';
if (autoPlayInterval) {
stopAutoPlay();
startAutoPlay();
}
});
async function reset() {
try {
showMessage('Resetting environment...', 'info');
const response = await fetch(`${baseUrl}/reset`, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({})
});
const data = await response.json();
updateStats(data.observation);
await refreshVisualization();
showMessage('Environment reset successfully!', 'success');
} catch (error) {
showMessage('Error resetting environment: ' + error.message, 'error');
}
}
async function startAutoPlay() {
const startBtn = document.getElementById('startBtn');
const stopBtn = document.getElementById('stopBtn');
startBtn.disabled = true;
stopBtn.disabled = false;
const speed = parseInt(document.getElementById('speed').value);
autoPlayInterval = setInterval(async () => {
try {
const response = await fetch(`${baseUrl}/auto-step`, {
method: 'POST'
});
const data = await response.json();
if (data.done) {
stopAutoPlay();
showMessage(`Episode complete! Delivered ${data.packages_delivered} packages. Final reward: ${data.reward}`, 'success');
return;
}
updateStatsFromStep(data);
await refreshVisualization();
showMessage(`Action: ${data.action} - ${data.message}`, 'info');
} catch (error) {
stopAutoPlay();
showMessage('Error during auto-play: ' + error.message, 'error');
}
}, speed);
}
function stopAutoPlay() {
if (autoPlayInterval) {
clearInterval(autoPlayInterval);
autoPlayInterval = null;
}
document.getElementById('startBtn').disabled = false;
document.getElementById('stopBtn').disabled = true;
}
async function manualAction(actionId) {
try {
const response = await fetch(`${baseUrl}/step`, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ action: { action_id: actionId } })
});
const data = await response.json();
updateStats(data.observation);
await refreshVisualization();
if (data.observation.message) {
showMessage(data.observation.message, data.observation.action_success ? 'success' : 'error');
}
if (data.done) {
showMessage(`Episode complete! Delivered ${data.observation.packages_delivered} packages.`, 'success');
}
} catch (error) {
showMessage('Error: ' + error.message, 'error');
}
}
async function refreshVisualization() {
try {
// Add cache-busting parameter to ensure fresh render
const timestamp = new Date().getTime();
const response = await fetch(`${baseUrl}/render/html?t=${timestamp}`, {
cache: 'no-store'
});
const html = await response.text();
document.getElementById('visualization').innerHTML = html;
} catch (error) {
console.error('Error refreshing visualization:', error);
}
}
function updateStats(obs) {
document.getElementById('steps').textContent = `${obs.step_count} / ${obs.time_remaining + obs.step_count}`;
document.getElementById('delivered').textContent = `${obs.packages_delivered} / ${obs.total_packages}`;
// Get cumulative reward from state endpoint
fetch(`${baseUrl}/state`)
.then(r => r.json())
.then(state => {
document.getElementById('reward').textContent = state.cum_reward.toFixed(1);
});
}
function updateStatsFromStep(data) {
const maxSteps = parseInt(document.getElementById('steps').textContent.split('/')[1].trim());
document.getElementById('steps').textContent = `${data.step_count} / ${maxSteps}`;
document.getElementById('delivered').textContent = data.packages_delivered + ' / ' + document.getElementById('delivered').textContent.split('/')[1].trim();
// Get cumulative reward from state endpoint
fetch(`${baseUrl}/state`)
.then(r => r.json())
.then(state => {
document.getElementById('reward').textContent = state.cum_reward.toFixed(1);
});
}
function showMessage(text, type) {
const messageDiv = document.getElementById('message');
messageDiv.textContent = text;
messageDiv.className = type;
messageDiv.classList.remove('hidden');
}
// Event listeners
document.getElementById('startBtn').addEventListener('click', startAutoPlay);
document.getElementById('stopBtn').addEventListener('click', stopAutoPlay);
document.getElementById('resetBtn').addEventListener('click', reset);
document.getElementById('resetManualBtn').addEventListener('click', reset);
document.getElementById('applyDifficulty').addEventListener('click', async () => {
stopAutoPlay();
const difficulty = parseInt(document.getElementById('difficulty').value);
showMessage(`Changing to difficulty level ${difficulty}...`, 'info');
try {
const response = await fetch(`${baseUrl}/set-difficulty`, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ difficulty: difficulty })
});
const data = await response.json();
if (data.success) {
showMessage(
`Difficulty changed! Grid: ${data.grid_size[0]}×${data.grid_size[1]}, ` +
`Packages: ${data.num_packages}, Max Steps: ${data.max_steps}`,
'success'
);
updateStats(data.observation);
await refreshVisualization();
} else {
showMessage('Failed to change difficulty: ' + data.error, 'error');
}
} catch (error) {
showMessage('Error changing difficulty: ' + error.message, 'error');
}
});
// Initialize on load
reset();
</script>
</body>
</html>
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