mirror of
https://github.com/JonasHinterdorfer/TextAdventure.git
synced 2025-10-26 03:41:10 +00:00
440 lines
17 KiB
HTML
440 lines
17 KiB
HTML
<!DOCTYPE html>
|
|
<html lang="en">
|
|
<head>
|
|
<meta charset="UTF-8">
|
|
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
|
<title>Prolog Adventure Console</title>
|
|
<!-- Add Tau Prolog library directly in the head section -->
|
|
<script src="https://cdn.jsdelivr.net/npm/tau-prolog"></script>
|
|
<style>
|
|
body {
|
|
font-family: 'Courier New', monospace;
|
|
background-color: #1e1e1e;
|
|
color: #f0f0f0;
|
|
margin: 0;
|
|
padding: 0;
|
|
height: 100vh;
|
|
display: flex;
|
|
flex-direction: column;
|
|
}
|
|
|
|
header {
|
|
background-color: #333;
|
|
color: #00ff00;
|
|
padding: 10px 20px;
|
|
text-align: center;
|
|
}
|
|
|
|
.container {
|
|
max-width: 900px;
|
|
margin: 0 auto;
|
|
padding: 20px;
|
|
flex-grow: 1;
|
|
display: flex;
|
|
flex-direction: column;
|
|
}
|
|
|
|
#console {
|
|
background-color: #000;
|
|
color: #00ff00;
|
|
border: 1px solid #444;
|
|
border-radius: 5px;
|
|
padding: 10px;
|
|
overflow-y: auto;
|
|
flex-grow: 1;
|
|
margin-bottom: 10px;
|
|
white-space: pre-wrap;
|
|
height: 400px;
|
|
font-size: 16px;
|
|
}
|
|
|
|
.input-area {
|
|
display: flex;
|
|
margin-bottom: 20px;
|
|
}
|
|
|
|
#prompt {
|
|
color: #00ff00;
|
|
margin-right: 5px;
|
|
font-size: 16px;
|
|
}
|
|
|
|
#command-input {
|
|
flex-grow: 1;
|
|
background-color: #000;
|
|
color: #00ff00;
|
|
border: none;
|
|
outline: none;
|
|
font-family: 'Courier New', monospace;
|
|
font-size: 16px;
|
|
}
|
|
|
|
.controls {
|
|
display: flex;
|
|
gap: 10px;
|
|
margin-bottom: 20px;
|
|
}
|
|
|
|
button {
|
|
background-color: #444;
|
|
color: #00ff00;
|
|
border: 1px solid #00ff00;
|
|
border-radius: 3px;
|
|
padding: 8px 15px;
|
|
cursor: pointer;
|
|
font-family: 'Courier New', monospace;
|
|
}
|
|
|
|
button:hover {
|
|
background-color: #555;
|
|
}
|
|
|
|
.status {
|
|
color: #aaa;
|
|
margin-bottom: 15px;
|
|
}
|
|
</style>
|
|
</head>
|
|
<body>
|
|
<header>
|
|
<h1>Prolog Adventure Console</h1>
|
|
</header>
|
|
|
|
<div class="container">
|
|
<div class="status" id="status">Loading adventure.pl from server...</div>
|
|
|
|
<div class="controls">
|
|
<button id="start-button" disabled>Start Adventure</button>
|
|
<button id="clear-button">Clear Console</button>
|
|
<button id="reload-button">Reload Program</button>
|
|
</div>
|
|
|
|
<div id="console">Welcome to the Prolog Adventure Console!
|
|
System initializing...
|
|
</div>
|
|
|
|
<div class="input-area">
|
|
<span id="prompt">?- </span>
|
|
<input type="text" id="command-input" placeholder="Enter Prolog command" disabled>
|
|
</div>
|
|
</div>
|
|
|
|
<script>
|
|
// DOM elements
|
|
const consoleOutput = document.getElementById('console');
|
|
const commandInput = document.getElementById('command-input');
|
|
const statusElement = document.getElementById('status');
|
|
const startButton = document.getElementById('start-button');
|
|
const clearButton = document.getElementById('clear-button');
|
|
const reloadButton = document.getElementById('reload-button');
|
|
|
|
// Tau Prolog session
|
|
let session = null;
|
|
let programLoaded = false;
|
|
let programContent = "";
|
|
|
|
// Check if Tau Prolog is loaded
|
|
function checkTauProlog() {
|
|
if (typeof pl === 'undefined') {
|
|
addToConsole("Error: Tau Prolog library not loaded!");
|
|
addToConsole("Trying to load Tau Prolog dynamically...");
|
|
|
|
// Try to load Tau Prolog dynamically
|
|
const script = document.createElement('script');
|
|
script.src = "https://cdnjs.cloudflare.com/ajax/libs/tau-prolog/0.3.4/tau-prolog.min.js";
|
|
script.onload = function() {
|
|
addToConsole("Tau Prolog loaded successfully!");
|
|
init();
|
|
};
|
|
script.onerror = function() {
|
|
addToConsole("Failed to load Tau Prolog library. Please check your internet connection.");
|
|
statusElement.textContent = "Error: Could not load Tau Prolog library";
|
|
};
|
|
document.body.appendChild(script);
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// Initialize
|
|
function init() {
|
|
if (!checkTauProlog()) {
|
|
return; // Wait for dynamic loading
|
|
}
|
|
|
|
try {
|
|
session = pl.create();
|
|
addToConsole("Prolog engine initialized successfully.");
|
|
|
|
// Slightly delay the file loading to ensure the Prolog engine is initialized
|
|
setTimeout(loadPrologFile, 500);
|
|
} catch (error) {
|
|
addToConsole("Error initializing Prolog engine: " + error.message);
|
|
console.error("Error initializing Prolog engine:", error);
|
|
}
|
|
}
|
|
|
|
// Add text to console
|
|
function addToConsole(text) {
|
|
consoleOutput.textContent += "\n" + text;
|
|
consoleOutput.scrollTop = consoleOutput.scrollHeight;
|
|
}
|
|
|
|
// Clear console
|
|
function clearConsole() {
|
|
consoleOutput.textContent = "Console cleared.";
|
|
}
|
|
|
|
// Load Prolog file from server
|
|
function loadPrologFile() {
|
|
statusElement.textContent = "Loading adventure.pl from server...";
|
|
|
|
fetch('./adventure.pl', {
|
|
method: 'GET',
|
|
cache: 'no-cache'
|
|
})
|
|
.then(response => {
|
|
if (!response.ok) {
|
|
throw new Error(`HTTP error! Status: ${response.status}`);
|
|
}
|
|
return response.text();
|
|
})
|
|
.then(content => {
|
|
// Check if content is empty
|
|
if (!content || content.trim() === "") {
|
|
throw new Error("File is empty");
|
|
}
|
|
|
|
programContent = content;
|
|
statusElement.textContent = "adventure.pl loaded successfully. Click 'Start Adventure' to begin.";
|
|
addToConsole(`adventure.pl loaded from server (${content.length} bytes).`);
|
|
addToConsole("Content preview: " + content.substring(0, 50) + "...");
|
|
addToConsole("Click 'Start Adventure' to begin.");
|
|
startButton.disabled = false;
|
|
})
|
|
.catch(error => {
|
|
statusElement.textContent = "Error loading adventure.pl: " + error.message;
|
|
addToConsole("Error loading adventure.pl from server: " + error.message);
|
|
addToConsole("Checking browser console for more details...");
|
|
console.error("Error loading Prolog file:", error);
|
|
addToConsole("Make sure adventure.pl exists in the same directory as this HTML file.");
|
|
addToConsole("Try refreshing the page or checking file permissions.");
|
|
|
|
// Diagnostic information
|
|
addToConsole("\nDiagnostic information:");
|
|
addToConsole("- URL being fetched: ./adventure.pl");
|
|
addToConsole("- Current page URL: " + window.location.href);
|
|
|
|
// Try an alternative approach
|
|
addToConsole("\nTrying alternative loading method...");
|
|
const xhr = new XMLHttpRequest();
|
|
xhr.open('GET', './adventure.pl', true);
|
|
xhr.onload = function() {
|
|
if (xhr.status === 200) {
|
|
programContent = xhr.responseText;
|
|
statusElement.textContent = "adventure.pl loaded successfully via alternative method.";
|
|
addToConsole("Success! adventure.pl loaded via alternative method.");
|
|
addToConsole("Content preview: " + programContent.substring(0, 50) + "...");
|
|
addToConsole("Click 'Start Adventure' to begin.");
|
|
startButton.disabled = false;
|
|
} else {
|
|
addToConsole("Alternative method failed. Status: " + xhr.status);
|
|
}
|
|
};
|
|
xhr.onerror = function() {
|
|
addToConsole("Alternative method failed with network error.");
|
|
};
|
|
xhr.send();
|
|
});
|
|
}
|
|
|
|
// Load Prolog program into Tau Prolog
|
|
function loadProgram() {
|
|
if (!programContent) {
|
|
addToConsole("Error: No program content to load.");
|
|
return;
|
|
}
|
|
|
|
if (!checkTauProlog()) {
|
|
addToConsole("Cannot load program: Tau Prolog library not available.");
|
|
return;
|
|
}
|
|
|
|
addToConsole("Loading program into Prolog engine...");
|
|
|
|
try {
|
|
session.consult(programContent, {
|
|
success: function() {
|
|
programLoaded = true;
|
|
statusElement.textContent = "Program loaded and ready. Type your Prolog queries below.";
|
|
addToConsole("Program loaded successfully!");
|
|
addToConsole("Type your Prolog queries in the command line below.");
|
|
commandInput.disabled = false;
|
|
commandInput.focus();
|
|
},
|
|
error: function(err) {
|
|
statusElement.textContent = "Error loading program: " + err;
|
|
addToConsole("Error loading program: " + err);
|
|
addToConsole("This might be due to syntax errors in your Prolog file.");
|
|
|
|
// Try to provide more helpful error information
|
|
const errorLines = err.toString().split('\n');
|
|
if (errorLines.length > 1) {
|
|
addToConsole("\nError details:");
|
|
errorLines.forEach(line => {
|
|
addToConsole("- " + line);
|
|
});
|
|
}
|
|
}
|
|
});
|
|
} catch (error) {
|
|
addToConsole("Error in program loading: " + error.message);
|
|
console.error("Error in program loading:", error);
|
|
}
|
|
}
|
|
|
|
// Execute Prolog query
|
|
function executeQuery(query) {
|
|
if (!programLoaded) {
|
|
addToConsole("Error: Please load a program first.");
|
|
return;
|
|
}
|
|
|
|
addToConsole("?- " + query);
|
|
|
|
try {
|
|
session.query(query, {
|
|
success: function(goal) {
|
|
session.answer({
|
|
success: function(answer) {
|
|
if (answer === false) {
|
|
addToConsole("false.");
|
|
} else if (pl.type.is_substitution(answer)) {
|
|
let vars = Object.keys(answer.links);
|
|
if (vars.length === 0) {
|
|
addToConsole("true.");
|
|
} else {
|
|
let result = "";
|
|
for (let i = 0; i < vars.length; i++) {
|
|
result += vars[i] + " = " + answer.links[vars[i]] + (i < vars.length - 1 ? ",\n" : "");
|
|
}
|
|
addToConsole(result + ".");
|
|
}
|
|
|
|
// Check for more answers
|
|
moreAnswers();
|
|
}
|
|
},
|
|
error: function(err) {
|
|
addToConsole("Error: " + err);
|
|
},
|
|
fail: function() {
|
|
addToConsole("false.");
|
|
},
|
|
limit: function() {
|
|
addToConsole("Limit exceeded.");
|
|
}
|
|
});
|
|
},
|
|
error: function(err) {
|
|
addToConsole("Error: " + err);
|
|
}
|
|
});
|
|
} catch (error) {
|
|
addToConsole("Error executing query: " + error.message);
|
|
console.error("Error executing query:", error);
|
|
}
|
|
}
|
|
|
|
// Check for more answers
|
|
function moreAnswers() {
|
|
try {
|
|
session.answer({
|
|
success: function(answer) {
|
|
if (answer === false) {
|
|
// No more answers
|
|
} else if (pl.type.is_substitution(answer)) {
|
|
let vars = Object.keys(answer.links);
|
|
if (vars.length === 0) {
|
|
addToConsole("true ;");
|
|
} else {
|
|
let result = "";
|
|
for (let i = 0; i < vars.length; i++) {
|
|
result += vars[i] + " = " + answer.links[vars[i]] + (i < vars.length - 1 ? ",\n" : "");
|
|
}
|
|
addToConsole(result + " ;");
|
|
}
|
|
|
|
// Check for more answers
|
|
moreAnswers();
|
|
}
|
|
},
|
|
error: function(err) {
|
|
addToConsole("Error: " + err);
|
|
},
|
|
fail: function() {
|
|
// No more answers
|
|
},
|
|
limit: function() {
|
|
addToConsole("Limit exceeded.");
|
|
}
|
|
});
|
|
} catch (error) {
|
|
addToConsole("Error checking for more answers: " + error.message);
|
|
}
|
|
}
|
|
|
|
// Event listeners
|
|
startButton.addEventListener('click', function() {
|
|
if (!programContent) {
|
|
addToConsole("Error: adventure.pl could not be loaded.");
|
|
return;
|
|
}
|
|
loadProgram();
|
|
});
|
|
|
|
clearButton.addEventListener('click', clearConsole);
|
|
|
|
reloadButton.addEventListener('click', function() {
|
|
programLoaded = false;
|
|
commandInput.disabled = true;
|
|
startButton.disabled = true;
|
|
|
|
try {
|
|
if (typeof pl !== 'undefined') {
|
|
session = pl.create();
|
|
addToConsole("Prolog session reinitialized.");
|
|
} else {
|
|
addToConsole("Error: Tau Prolog library not available.");
|
|
checkTauProlog();
|
|
return;
|
|
}
|
|
} catch (error) {
|
|
addToConsole("Error reinitializing Prolog engine: " + error.message);
|
|
console.error("Error reinitializing Prolog engine:", error);
|
|
return;
|
|
}
|
|
|
|
addToConsole("Reloading program...");
|
|
loadPrologFile();
|
|
});
|
|
|
|
commandInput.addEventListener('keydown', function(e) {
|
|
if (e.key === 'Enter') {
|
|
const query = commandInput.value.trim();
|
|
if (query) {
|
|
executeQuery(query);
|
|
commandInput.value = '';
|
|
}
|
|
}
|
|
});
|
|
|
|
// Initialize on page load with a check to make sure the script is fully loaded
|
|
document.addEventListener('DOMContentLoaded', function() {
|
|
// Wait a moment to ensure scripts are loaded
|
|
setTimeout(init, 300);
|
|
});
|
|
</script>
|
|
</body>
|
|
</html>
|