mirror of
https://github.com/ceratic/project_vollidioten_website.git
synced 2026-05-14 00:16:47 +02:00
feat: add world map functionality and admin map management
- Added world map page with interactive marker display - Implemented admin map management for marker CRUD operations - Added map layers and markers seed data to database - Integrated new routes for map functionality - Updated database configuration for production environment - Added documentation page route - Enhanced package.json with required dependencies for map features
This commit is contained in:
Lars Behrends
248
backend/map-processor.js
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248
backend/map-processor.js
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const sharp = require('sharp');
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const fs = require('fs').promises;
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const path = require('path');
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const { db } = require('./database');
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class MapProcessor {
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constructor() {
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this.mapDir = path.join(__dirname, 'uploads', 'map');
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this.outputDir = path.join(__dirname, 'uploads', 'processed');
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this.worldMapPath = path.join(this.outputDir, 'world-map.png');
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this.tileSize = 1024; // Xaero's World Map tiles are 1024x1024
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}
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async init() {
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try {
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await fs.mkdir(this.outputDir, { recursive: true });
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console.log('Map processor initialized');
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} catch (error) {
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console.error('Error initializing map processor:', error);
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}
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}
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async getMapTiles() {
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try {
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const files = await fs.readdir(this.mapDir);
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const tileFiles = files.filter(file => file.endsWith('.png'));
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// Parse tile coordinates from filenames like "0_3_x-3584_z1536.png"
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const tiles = tileFiles.map(file => {
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const match = file.match(/(\d+)_(\d+)_x(-?\d+)_z(-?\d+)\.png/);
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if (match) {
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return {
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filename: file,
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gridX: parseInt(match[1]),
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gridZ: parseInt(match[2]),
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x: parseInt(match[3]),
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z: parseInt(match[4])
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};
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}
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return null;
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}).filter(tile => tile !== null);
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return tiles.sort((a, b) => {
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// Sort by grid coordinates
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if (a.gridX !== b.gridX) return a.gridX - b.gridX;
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return a.gridZ - b.gridZ;
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});
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} catch (error) {
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console.error('Error reading map tiles:', error);
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return [];
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}
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}
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async calculateMapDimensions(tiles) {
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if (tiles.length === 0) return { width: 0, height: 0, offsetX: 0, offsetZ: 0 };
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// Find the center tile (3_1_x-512_z-512.png)
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//const centerTile = tiles.find(t => t.filename === '3_1_x-512_z-512.png');
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let centerX, centerZ;
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//if (centerTile) {
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// Use the specified tile as center point
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// centerX = centerTile.x + (this.tileSize / 2); // Center of the tile
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// centerZ = centerTile.z + (this.tileSize / 2); // Center of the tile
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// console.log(`Using tile ${centerTile.filename} as center point at (${centerX}, ${centerZ})`);
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//} else {
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// Fallback to original logic if center tile not found
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centerX = 0;
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centerZ = 0;
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console.log('Center tile 3_1_x-512_z-512.png not found, using origin (0,0) as center');
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//}
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// Calculate bounds relative to the center
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const minX = Math.min(...tiles.map(t => t.x));
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const maxX = Math.max(...tiles.map(t => t.x + this.tileSize));
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const minZ = Math.min(...tiles.map(t => t.z));
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const maxZ = Math.max(...tiles.map(t => t.z + this.tileSize));
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const width = maxX - minX;
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const height = maxZ - minZ;
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// Calculate offsets to make the center tile the origin (0,0)
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// We need to shift everything so that the center point becomes (0,0)
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const offsetX = -centerX;
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const offsetZ = -centerZ;
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return { width, height, offsetX, offsetZ };
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}
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async assembleWorldMap() {
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console.log('Starting world map assembly...');
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const tiles = await this.getMapTiles();
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if (tiles.length === 0) {
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console.log('No map tiles found');
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return false;
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}
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console.log(`Found ${tiles.length} map tiles`);
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const { width, height, offsetX, offsetZ } = await this.calculateMapDimensions(tiles);
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console.log(`Map dimensions: ${width}x${height}px`);
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console.log(`Offset: X=${offsetX}, Z=${offsetZ}`);
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// Create a blank canvas for the world map
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const worldMap = sharp({
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create: {
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width: width,
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height: height,
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channels: 4,
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background: { r: 0, g: 0, b: 0, alpha: 0 }
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}
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});
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// Composite each tile onto the world map
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const overlays = await Promise.all(tiles.map(async (tile) => {
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const tilePath = path.join(this.mapDir, tile.filename);
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const x = tile.x + offsetX;
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const y = tile.z + offsetZ;
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return {
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input: tilePath,
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left: x,
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top: y
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};
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}));
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try {
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await worldMap
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.composite(overlays)
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.png()
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.toFile(this.worldMapPath);
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// Update map metadata in database
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await this.updateMapMetadata({
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width: width,
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height: height,
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offsetX: offsetX,
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offsetZ: offsetZ,
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tileSize: this.tileSize,
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lastUpdated: new Date().toISOString()
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});
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console.log(`World map assembled: ${this.worldMapPath}`);
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return true;
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} catch (error) {
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console.error('Error assembling world map:', error);
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return false;
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}
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}
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async updateMapMetadata(metadata) {
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return new Promise((resolve, reject) => {
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const keys = Object.keys(metadata);
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const values = Object.values(metadata);
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const updatePromises = keys.map((key, index) => {
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return new Promise((resolve, reject) => {
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db.run(
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`INSERT INTO map_metadata (\`key\`, value) VALUES (?, ?)
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ON DUPLICATE KEY UPDATE value = VALUES(value)`,
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[key, values[index]],
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(err) => {
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if (err) reject(err);
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else resolve();
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}
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);
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});
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});
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Promise.all(updatePromises)
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.then(() => resolve())
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.catch(reject);
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});
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}
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async getMapMetadata() {
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return new Promise((resolve, reject) => {
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db.all('SELECT `key`, value FROM map_metadata', [], (err, rows) => {
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if (err) reject(err);
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else {
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const metadata = {};
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rows.forEach(row => {
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metadata[row.key] = row.value;
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});
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resolve(metadata);
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}
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});
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});
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}
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async getWorldMapUrl() {
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const metadata = await this.getMapMetadata();
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if (metadata.width && metadata.height) {
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return '/api/map/world-map';
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}
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return null;
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}
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async getCoordinateConversion(x, z) {
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const metadata = await this.getMapMetadata();
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if (!metadata.width || !metadata.height) {
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return { x: 0, y: 0 };
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}
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const offsetX = parseInt(metadata.offsetX) || 0;
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const offsetZ = parseInt(metadata.offsetZ) || 0;
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const width = parseInt(metadata.width);
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const height = parseInt(metadata.height);
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// Convert Minecraft coordinates to pixel coordinates
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const pixelX = x + offsetX;
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const pixelY = z + offsetZ;
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// Convert to percentage for frontend (0-100%)
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const percentX = (pixelX / width) * 100;
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const percentY = (pixelY / height) * 100;
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return {
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x: percentX,
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y: percentY,
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pixelX: pixelX,
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pixelY: pixelY
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};
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}
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async getMarkersWithCoordinates() {
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return new Promise((resolve, reject) => {
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db.all('SELECT * FROM map_markers WHERE is_public = 1', [], async (err, markers) => {
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if (err) reject(err);
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else {
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const markersWithCoords = await Promise.all(markers.map(async (marker) => {
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const coords = await this.getCoordinateConversion(marker.x_coord, marker.z_coord);
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return {
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...marker,
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coordinates: coords
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};
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}));
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resolve(markersWithCoords);
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}
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});
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});
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}
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}
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module.exports = MapProcessor;
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