Little clean-up

src/file.js

@@ -1,28 +1,24 @@
 
 DWE.File = {}
 
-DWE.File.httpGET = function (url, xml) {
+DWE.File.httpGET = function (url) {
   return new Promise(function (resolve, reject) {
     var xmlHttp = new XMLHttpRequest()
 
     xmlHttp.onreadystatechange = function() {
       if (xmlHttp.readyState == 4 && xmlHttp.status == 200) {
-        resolve(xml === true ? xmlHttp.response : xmlHttp.responseText)
+        resolve(xmlHttp.responseText)
       } else if (xmlHttp.readyState == 4 && xmlHttp.status >= 400) {
         reject(xmlHttp.responseText)
       }
     }
 
     xmlHttp.open('GET', url, true)
-    xmlHttp.responseType = xml ? 'xml' : 'text'
+    xmlHttp.responseType = 'text'
     xmlHttp.send(null)
   })
 }
 
-DWE.File.loadXML = function (url) {
-  return DWE.File.httpGET(url, true)
-}
-
 DWE.File.loadJson = function (url) {
   return new Promise(function (resolve, reject) {
     var promise = DWE.File.httpGET(url)

src/tiled.js

@@ -19,9 +19,9 @@ DWE.Tiled.Map = class {
   }
 
   done () {
-    if (this['onready']) {
+    if (this['onready'])
       this.onready.apply(this, [this])
-    }
+
     this.loaded = true
   }
 
@@ -44,15 +44,19 @@ DWE.Tiled.Map = class {
 
       // Load map layers
       function loadMapLayers () {
-        let width = mapData.width
-        let height = mapData.height
+        var width = mapData.width
+        var height = mapData.height
+
         for (let i in mapData.layers) {
           let layer = mapData.layers[i]
+          let lw = layer.width || width
+          let lh = layer.height || height
           let tiles = []
+
           if (layer.type != 'tilelayer' || !layer.visible) continue
 
-          for(let i = 0; i < width; i++) {
-            for(let j = 0; j < height; j++) {
+          for(let i = 0; i < lw; i++) {
+            for(let j = 0; j < lh; j++) {
               let value = layer.data[(j * width) + i]
               if (value == 0) continue
 
@@ -84,25 +88,29 @@ DWE.Tiled.Map = class {
         var xtile = mapData.tilesets[index]
         var path = map.dir + '/' + xtile.source
 
-        DWE.File.loadXML(path).then(function (data) {
+        DWE.File.httpGET(path).then(function (data) {
           var parser = new DOMParser()
           var doc = parser.parseFromString(data, 'application/xml')
           var tilesets = doc.getElementsByTagName('tileset')
-          var dataf = {}
+
           for (let i in tilesets) {
             let d = tilesets[i]
             if (!(d instanceof Element)) continue
+
             let tw = parseInt(d.getAttribute('tilewidth'))
             let th = parseInt(d.getAttribute('tileheight'))
             let imgfile = d.getElementsByTagName('image')[0]
+
             if (imgfile) {
               let img = new DWE.Image.TileMap(map.dir + '/' + imgfile.getAttribute('source'), tw, th)
-              img.onready = function () {
-                loadNextTileMap(index + 1)
-              }
+
               img.offset = xtile.firstgid
               img.tileCount = parseInt(d.getAttribute('tilecount'))
               map.tileMaps.push(img)
+
+              img.onready = function () {
+                loadNextTileMap(index + 1)
+              }
             }
           }
         }, function (e) {
@@ -118,14 +126,17 @@ DWE.Tiled.Map = class {
 
   drawLayer (ctx, origin, viewport, name) {
     if (!this.layers[name]) return null
-    let layer = this.layers[name]
+    var layer = this.layers[name]
+
     for (let i in this.tileMaps) {
-      let t = this.tileMaps[i]
+      let tileMap = this.tileMaps[i]
+
       for (let j in layer.tiles) {
         let tile = layer.tiles[j]
-        let tcount = t.tileCount || t.tiles.length
-        if (tile.tile >= t.offset && tile.tile <= tcount) {
-          t.draw(ctx, tile.tile - 1, ((tile.x * this.tileWidth * this.scale) + origin.x + layer.x) + viewport.x, 
+        let tcount = tileMap.tileCount || tileMap.tiles.length
+
+        if (tile.tile >= tileMap.offset && tile.tile <= tcount) {
+          tileMap.draw(ctx, tile.tile - 1, ((tile.x * this.tileWidth * this.scale) + origin.x + layer.x) + viewport.x, 
             ((tile.y * this.tileHeight * this.scale) + origin.y + layer.y) + viewport.y, this.tileWidth * this.scale,
             this.tileHeight * this.scale)
         }
@@ -135,7 +146,7 @@ DWE.Tiled.Map = class {
 
   collideLayer (object, name) {
     if (!this.layers[name]) return null
-    let layer = this.layers[name]
+    var layer = this.layers[name]
     // TODO: Handle object collisions with map tiles
     return null
   }