[render] added animates

src/client/haxe/ru/m/animate/OnceAnimate.hx

@@ -0,0 +1,31 @@
+package ru.m.animate;
+
+import promhx.Deferred;
+import flash.display.BitmapData;
+import promhx.Promise;
+
+
+class OnceAnimate extends Animate {
+
+    private var deferred:Deferred<Animate>;
+
+    public function new(frames:Array<BitmapData>) {
+        super(frames);
+    }
+
+    public function play():Promise<Animate> {
+        deferred = new Deferred();
+        playing = true;
+        return deferred.promise();
+    }
+
+    override private function update():Void {
+        super.update();
+        if (index == 0) {
+            playing = false;
+            if (deferred != null) {
+                deferred.resolve(this);
+            }
+        }
+    }
+}