1 files changed, 83 insertions, 0 deletions
diff --git a/viewer/MinedMap.js b/viewer/MinedMap.js
new file mode 100644
index 0000000..69dee2c
--- /dev/null
+++ b/viewer/MinedMap.js
@@ -0,0 +1,83 @@
+var MinedMapLayer = L.GridLayer.extend({
+	initialize: function (info) {
+		this._info = info.info;
+		this._regions = info.regions;
+
+		if (!L.Browser.android) {
+			this.on('tileunload', this._onTileRemove);
+		}
+	},
+
+	createTile: function (coords, done) {
+		var tile = document.createElement('img');
+
+		tile.onload = L.bind(this._tileOnLoad, this, done, tile);
+		tile.onerror = L.bind(this._tileOnError, this, done, tile);
+
+		tile.alt = '';
+
+		if (coords.x >= this._info.minX && coords.x <= this._info.maxX &&
+		    coords.y >= this._info.minZ && coords.y <= this._info.maxZ &&
+		    this._regions[coords.y-this._info.minZ][coords.x-this._info.minX])
+			tile.src = 'data/r.'+coords.x+'.'+coords.y+'.png';
+
+		return tile;
+	},
+
+	_tileOnLoad: function (done, tile) {
+		done(null, tile);
+	},
+
+	_tileOnError: function (done, tile, e) {
+		done(e, tile);
+	},
+
+	_getTileSize: function () {
+		return 512;
+	},
+
+	_onTileRemove: function (e) {
+		e.tile.onload = null;
+		e.tile.src = L.Util.emptyImageUrl;
+	},
+
+	_abortLoading: function () {
+		var i, tile;
+		for (i in this._tiles) {
+			tile = this._tiles[i].el;
+
+			tile.onload = L.Util.falseFn;
+			tile.onerror = L.Util.falseFn;
+
+			if (!tile.complete) {
+				tile.src = L.Util.emptyImageUrl;
+				L.DomUtil.remove(tile);
+			}
+		}
+	}
+});
+
+
+window.createMap = function () {
+	var xhr = new XMLHttpRequest();
+	xhr.onload = function () {
+		var info = JSON.parse(this.responseText);
+
+		var map = L.map('map', {
+			center: [0, 0],
+			zoom: 1,
+			minZoom: 1,
+			maxZoom: 1,
+			crs: L.CRS.Simple,
+			maxBounds: [
+				[-256*(info.info.maxZ+1), 256*info.info.minX],
+				[-256*info.info.minZ, 256*(info.info.maxX+1)],
+			],
+		});
+
+		(new MinedMapLayer(info)).addTo(map);
+	};
+
+	xhr.open('GET', 'data/info.json', true);
+	xhr.send();
+}