tileset: Some progress.

src/tiles/tilemap.js

@@ -1,14 +1,16 @@
 import { fabric } from "fabric";
+
+import Layer from "../board/layer";
 import TileSet from "./tileset";
 
-const image = new fabric.Image();
-
-export default class TileMap {
+export default class TileMap extends Layer {
   /**
    * @param {TileSet} tileset 
    * @param {{chunkSiz:number}} opts 
    */
   constructor(tileset, opts = {}) {
+    super();
+
     this.tileset = tileset;
 
     this.opts = {
@@ -16,28 +18,6 @@ export default class TileMap {
       ...opts,
     }
 
-    this.chunks = [];
-  }
-
-  getChunk(x, y) {
-    const cs = this.opts.chunkSize;
-    const cx = x > 0 ? Math.floor(x / cs) : Math.ceil(x / cs);
-    const cy = y > 0 ? Math.floor(y / cs) : Math.ceil(y / cs);
-
-    let chunk = this.chunks.find(c => c.x === cx && c.y === cy);
-    if (chunk == null) {
-      chunk = new Chunk(x, y, cs);
-      this.chunks.push(chunk);
-    }
-
-    return chunk;
-  }
-}
-
-class Chunk {
-  constructor(x, y, size) {
-    this.x = x;
-    this.y = y;
-    this.size = size;
+    this.rows = [];
   }
 }

src/tiles/tileset.js

@@ -5,8 +5,22 @@ export default class TileSet {
     this.opts = {
       tileSize: [32, 32],
       tileSep: [0, 0],
+      hTiles: 2,
+      vTiles: 2,
       src: "/res/tilesets/default.png",
+      metaTiles: [],
       ...opts,
     }
   }
+
+  getTile(index) {
+    const max = this.opts.hTiles * this.opts.vTiles;
+    if (index > max) {
+      return Promise.reject(new Error("index out of bounds."));
+    }
+
+    return new Promise((resolve, reject) => {
+      
+    });
+  }
 }