initial commit

MapLoader.js

@@ -0,0 +1,87 @@
+class MapLoader {
+    constructor(fileName) {
+        this.fileName = fileName;
+        this.fileContent = null;
+    }
+
+    start() {
+        this.readFile();
+    }
+
+    readFile() {
+        const rawFile = new XMLHttpRequest();
+        rawFile.open("GET", this.fileName, false);
+        rawFile.addEventListener('readystatechange', () => {
+            if(rawFile.readyState === 4) {
+                if(rawFile.status === 200 || rawFile.status === 0) {
+                    const content = rawFile.responseText;
+                    console.log(content);
+                    this.fileContent = content;
+
+                    this.loadMap();
+                }
+            }
+        });
+        rawFile.send(null);
+    }
+
+    loadMap() {
+        const tiles = [];
+        const mapRaw = this.fileContent;
+
+        const rows = mapRaw.split(/\r?\n/g);
+
+        if(rows.length === 0) {
+            throw LoadingException;
+        }
+
+        const width = rows[0].length,
+            height = rows.length;
+        let spawn;
+
+        for(let x = 0; x < width; x++) {
+            tiles.push([]);
+        }
+
+        rows.forEach((row, y) => {
+            if(row.length !== width) {
+                throw `Row length not consistent. Expected ${width}, got ${row.length} at row ${y}`;
+            }
+
+            for(let x = 0; x < row.length; x++) {
+                const tileRaw = row[x];
+                let tile;
+
+                switch (tileRaw) {
+                    case 'X':
+                        tile = new MapTile(x, y, true);
+                        break;
+                    case '.':
+                        tile = new MapTile(x, y, false, true);
+                        break;
+                    case '-':
+                        tile = new MapTile(x, y, false);
+                        break;
+                    case 'S':
+                        tile = new MapTile(x, y, false);
+                        spawn = {x, y};
+                        break;
+                    case 'O':
+                        tile = new MapTile(x, y, false);
+                        break;
+                }
+
+                tiles[x][y] = tile;
+            }
+        });
+
+        this.map = new GameMap(tiles, spawn);
+    }
+
+    getMap() {
+        while(!this.map) {
+
+        }
+        return this.map;
+    }
+}