Move all samples but swarm from client/samples/ to samples/ .

client/samples/dartcombat/player.dart

-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-/** A local player (API known to the main isolate when creating players). */
-interface Player default PlayerImpl {
-
-  Player();
-
-  final Future<SendPort> portToPlayer;
-
-  void setup(Window window, int player);
-
-  void set enemy(SendPort portToEnemy);
-
-  void set _portForTest(SendPort testPort);
-}
-
-/** A remote enemy (API visible to a player to communicate with the enemy). */
-interface Enemy default EnemyImpl {
-  Enemy(SendPort port);
-
-  /** tell the enemy that we are ready, receive confirmation asynchronously. */
-  Future<int> ready();
-
-  /** shoot asynchronously. */
-  Future<int> shoot(int x, int y);
-}
-
-
-/**
- * A default implementation for player that sends messages to an isolate, which
- * contains the actual player state.
- */
-class PlayerImpl implements Player {
-  final Future<SendPort> portToPlayer;
-
-  PlayerImpl() : portToPlayer = new PlayerState().spawn();
-
-  void setup(Window window, int player) {
-    portToPlayer.then((SendPort port) => port.call(
-        { "action" : MessageIds.SETUP,
-          "args" : [player] }));
-  }
-
-  void set enemy(SendPort portToEnemy) {
-    portToPlayer.then((port) => port.call(
-        { "action" : MessageIds.SET_ENEMY,
-          "args" : [portToEnemy]}));
-  }
-
-  void set _portForTest(SendPort testPort) {
-    portToPlayer.then((port) => port.call(
-        { "action" : MessageIds.SET_PORT_FOR_TEST,
-          "args" : [testPort]}));
-  }
-}
-
-/**
- * A default implementation for an enemy that sends messages to an isolate,
- * which contains the actual enemy state.
- */
-class EnemyImpl implements Enemy {
-  SendPort portToEnemy;
-
-  EnemyImpl(this.portToEnemy) {}
-
-  Future<int> ready() {
-    Completer<int> res = new Completer<int>();
-    ReceivePort port = portToEnemy.call(
-        { "action" : MessageIds.ENEMY_IS_READY });
-    port.receive((var message, SendPort replyTo) {
-      bool success = message[0];
-      if (success) {
-        res.complete(0);
-      } else {
-        res.completeException(message[1]);
-      }
-    });
-    return res.future;
-  }
-
-  Future<int> shoot(int x, int y) {
-    Completer<int> res = new Completer<int>();
-    ReceivePort port = portToEnemy.call(
-        { "action" : MessageIds.SHOOT, "args" : [x, y] });
-    port.receive((var message, SendPort replyTo) {
-      bool success = message[0];
-      if (success) {
-        res.complete(message[1][0]);
-      } else {
-        res.completeException(message[1]);
-      }
-    });
-    return res.future;
-  }
-}
-
-/** Collection of message IDs used to communicate with player isolates. */
-class MessageIds {
-  /** message to set up a new player. */
-  static final SETUP = 1;
-
-  /** message to initialize the enemy of a player. */
-  static final SET_ENEMY = 2;
-
-  /** message indicating that the enemy is ready to play. */
-  static final ENEMY_IS_READY = 3;
-
-  /** message describing a shoot action. */
-  static final SHOOT = 4;
-
-  /** message to set up a test port, used to make tests non-flaky. */
-  static final SET_PORT_FOR_TEST = 5;
-}