From fed17b9162273d70043f7d5e9061bc7afd17c6ef Mon Sep 17 00:00:00 2001
From: Junjie <fallin.jie@qq.com>
Date: 星期四, 27 七月 2023 16:36:19 +0800
Subject: [PATCH] 地图显示

---
 src/main/java/com/zy/core/thread/ShuttleThread.java |  220 ++++++++++++++++++++++++++++--------------------------
 1 files changed, 115 insertions(+), 105 deletions(-)

diff --git a/src/main/java/com/zy/core/thread/ShuttleThread.java b/src/main/java/com/zy/core/thread/ShuttleThread.java
index 7b303b0..8a43bc3 100644
--- a/src/main/java/com/zy/core/thread/ShuttleThread.java
+++ b/src/main/java/com/zy/core/thread/ShuttleThread.java
@@ -64,7 +64,7 @@
                 switch (step) {
                     // 璇绘暟鎹�
                     case 1:
-                        readStatus();
+                        read();
                         break;
                     // 鍐欏叆鏁版嵁
                     case 2:
@@ -108,6 +108,23 @@
     @Override
     public void close() {
         modbusTcpNet.ConnectClose();
+    }
+
+    private void read() {
+        try {
+            readStatus();
+            //鍥涘悜绌挎杞︾┖闂层�佹湁浠诲姟銆佹爣璁颁负true銆佸瓨鍦ㄤ换鍔℃寚浠わ紝闇�瑕佹墽琛屼换鍔$殑涓嬩竴鏉℃寚浠�
+            if (shuttleProtocol.getBusyStatusType() == ShuttleStatusType.IDLE
+                    && shuttleProtocol.getTaskNo() != 0
+                    && shuttleProtocol.getPakMk()) {
+                //鎵ц涓嬩竴姝ユ寚浠�
+                executeWork(shuttleProtocol.getTaskNo());
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+            OutputQueue.SHUTTLE.offer(MessageFormat.format("銆恵0}銆戝洓鍚戠┛姊溅plc鐘舵�佷俊鎭け璐� ===>> [id:{1}] [ip:{2}] [port:{3}]", DateUtils.convert(new Date()), slave.getId(), slave.getIp(), slave.getPort()));
+            initShuttle();
+        }
     }
 
     private void readStatus() {
@@ -173,95 +190,61 @@
                     shuttleProtocol.setPakMk(true);
                 }
 
-//                if (shuttleProtocol.getErrorCode() != 0 && shuttleProtocol.getProtocolStatusType() == ShuttleProtocolStatusType.WORKING) {
-//                    //鍑虹幇閿欒
-//                    resetAndTryFix(shuttleProtocol.getTaskNo());
+//                //灏嗗洓鍚戠┛姊溅鐘舵�佷繚瀛樿嚦鏁版嵁搴�
+//                BasShuttleService shuttleService = SpringUtils.getBean(BasShuttleService.class);
+//                BasShuttle basShuttle = shuttleService.selectById(slave.getId());
+//                if (basShuttle == null) {
+//                    basShuttle = new BasShuttle();
+//                    //鍥涘悜绌挎杞﹀彿
+//                    basShuttle.setShuttleNo(slave.getId());
+//                    shuttleService.insert(basShuttle);
 //                }
-//
-//                if(shuttleProtocol.getProtocolStatusType() == ShuttleProtocolStatusType.FIXING
-//                        && shuttleProtocol.getTaskNo() != 0
-//                        && shuttleProtocol.getBusyStatusType() == ShuttleStatusType.IDLE){
-//                    //澶勪簬鏁呴殰淇鐘舵��
-//                    //鎵ц涓嬩竴姝ユ寚浠�
-//                    executeWork(shuttleProtocol.getTaskNo());
+//                //灏忚溅蹇欑姸鎬佷綅
+//                basShuttle.setBusyStatus(shuttleProtocol.getBusyStatus().intValue());
+//                //褰撳墠浜岀淮鐮�
+//                basShuttle.setCurrentCode(shuttleProtocol.getCurrentCode().intValue());
+//                //鐢垫睜鐢甸噺鐧惧垎姣�
+//                basShuttle.setBatteryPower(shuttleProtocol.getBatteryPower().intValue());
+//                //鐢垫睜娓╁害
+//                basShuttle.setBatteryTemp(shuttleProtocol.getBatteryTemp().intValue());
+//                //閿欒缂栧彿
+//                basShuttle.setErrorCode(shuttleProtocol.getErrorCode().intValue());
+//                //Plc杈撳嚭鐘舵�両O
+//                basShuttle.setPlcOutputStatusIo(shuttleProtocol.getPlcOutputStatusIO().intValue());
+//                //閿欒淇℃伅鐮�
+//                basShuttle.setStatusErrorCode(shuttleProtocol.getStatusErrorCode().intValue());
+//                //PLC杈撳叆鐘舵��
+//                basShuttle.setPlcInputStatus(shuttleProtocol.getPlcInputStatus().intValue());
+//                //褰撳墠鎴栬�呬箣鍓嶈鍒扮殑浜岀淮鐮佸��
+//                basShuttle.setCurrentOrBeforeCode(shuttleProtocol.getCurrentOrBeforeCode().intValue());
+//                //璇诲埌鐨勪簩缁寸爜X鏂瑰悜鍋忕Щ閲�
+//                basShuttle.setCodeOffsetX(shuttleProtocol.getCodeOffsetX().intValue());
+//                //璇诲埌鐨勪簩缁寸爜Y鏂瑰悜鍋忕Щ閲�
+//                basShuttle.setCodeOffsetY(shuttleProtocol.getCodeOffsetY().intValue());
+//                //褰撳墠鐨勭數鍘嬪��
+//                basShuttle.setCurrentVoltage(shuttleProtocol.getCurrentVoltage().intValue());
+//                //褰撳墠鐨勬ā鎷熼噺鍊�
+//                basShuttle.setCurrentAnalogValue(shuttleProtocol.getCurrentAnalogValue().intValue());
+//                //褰撳墠鐨勫崌闄嶄己鏈嶉�熷害
+//                basShuttle.setCurrentLiftServoSpeed(shuttleProtocol.getCurrentLiftServoSpeed().intValue());
+//                //褰撳墠鐨勮璧颁己鏈嶉�熷害
+//                basShuttle.setCurrentMoveServoSpeed(shuttleProtocol.getCurrentMoveServoSpeed().intValue());
+//                //褰撳墠鐨勫崌闄嶄己鏈嶈礋杞界巼
+//                basShuttle.setCurrentLiftServoLoad(shuttleProtocol.getCurrentLiftServoLoad().intValue());
+//                //褰撳墠鐨勮璧颁己鏈嶈礋杞界巼
+//                basShuttle.setCurrentMoveServoLoad(shuttleProtocol.getCurrentMoveServoLoad().intValue());
+//                //褰撳墠灏忚溅鐘舵�侊紙鍐呴儴鑷垜缁存姢锛�
+//                basShuttle.setShuttleStatus(shuttleProtocol.getProtocolStatus());
+//                //浠诲姟鍙�
+//                basShuttle.setWrkNo(shuttleProtocol.getTaskNo().intValue());
+//                //淇敼鏃堕棿
+//                basShuttle.setUpdateTime(new Date());
+//                //浣滀笟鏍囪
+//                basShuttle.setPakMk(shuttleProtocol.getPakMk());
+//                if (shuttleService.updateById(basShuttle)) {
+//                    OutputQueue.SHUTTLE.offer(MessageFormat.format("銆恵0}銆慬id:{1}] <<<<< 瀹炴椂鏁版嵁鏇存柊鎴愬姛",DateUtils.convert(new Date()), slave.getId()));
+////                    log.info(MessageFormat.format("銆恵0}銆慬id:{1}] <<<<< 瀹炴椂鏁版嵁鏇存柊鎴愬姛",DateUtils.convert(new Date()), slave.getId()));
 //                }
-
-                //鍥涘悜绌挎杞︾┖闂层�佹湁浠诲姟銆佹爣璁颁负true銆佸瓨鍦ㄤ换鍔℃寚浠わ紝闇�瑕佹墽琛屼换鍔$殑涓嬩竴鏉℃寚浠�
-                if (shuttleProtocol.getBusyStatusType() == ShuttleStatusType.IDLE
-                        && shuttleProtocol.getTaskNo() != 0
-                        && shuttleProtocol.getPakMk()) {
-                    //鎵ц涓嬩竴姝ユ寚浠�
-                    executeWork(shuttleProtocol.getTaskNo());
-                }
-
-//                //妫�娴嬫槸鍚︽湁鎻愬崌鏈洪攣瀹氭爣璁帮紝鏈夊垯妫�娴嬫彁鍗囨満鏄惁鍒颁綅锛屾槸鍚﹁兘璧颁笅涓�姝ュ懡浠�
-//                if (shuttleProtocol.getBusyStatusType() == ShuttleStatusType.IDLE
-//                        && shuttleProtocol.getTaskNo() != 0) {
-//                    Object o = redisUtil.get("shuttle_wrk_no_" + shuttleProtocol.getTaskNo());
-//                    if (o != null) {
-//                        ShuttleRedisCommand redisCommand = JSON.parseObject(o.toString(), ShuttleRedisCommand.class);
-//                        if (redisCommand.getLiftSecurityMk()) {
-//                            //鎵ц涓嬩竴姝ユ寚浠�
-//                            executeWork(shuttleProtocol.getTaskNo());
-//                        }
-//                    }
-//                }
-
-                //灏嗗洓鍚戠┛姊溅鐘舵�佷繚瀛樿嚦鏁版嵁搴�
-                BasShuttleService shuttleService = SpringUtils.getBean(BasShuttleService.class);
-                BasShuttle basShuttle = shuttleService.selectById(slave.getId());
-                if (basShuttle == null) {
-                    basShuttle = new BasShuttle();
-                    //鍥涘悜绌挎杞﹀彿
-                    basShuttle.setShuttleNo(slave.getId());
-                    shuttleService.insert(basShuttle);
-                }
-                //灏忚溅蹇欑姸鎬佷綅
-                basShuttle.setBusyStatus(shuttleProtocol.getBusyStatus().intValue());
-                //褰撳墠浜岀淮鐮�
-                basShuttle.setCurrentCode(shuttleProtocol.getCurrentCode().intValue());
-                //鐢垫睜鐢甸噺鐧惧垎姣�
-                basShuttle.setBatteryPower(shuttleProtocol.getBatteryPower().intValue());
-                //鐢垫睜娓╁害
-                basShuttle.setBatteryTemp(shuttleProtocol.getBatteryTemp().intValue());
-                //閿欒缂栧彿
-                basShuttle.setErrorCode(shuttleProtocol.getErrorCode().intValue());
-                //Plc杈撳嚭鐘舵�両O
-                basShuttle.setPlcOutputStatusIo(shuttleProtocol.getPlcOutputStatusIO().intValue());
-                //閿欒淇℃伅鐮�
-                basShuttle.setStatusErrorCode(shuttleProtocol.getStatusErrorCode().intValue());
-                //PLC杈撳叆鐘舵��
-                basShuttle.setPlcInputStatus(shuttleProtocol.getPlcInputStatus().intValue());
-                //褰撳墠鎴栬�呬箣鍓嶈鍒扮殑浜岀淮鐮佸��
-                basShuttle.setCurrentOrBeforeCode(shuttleProtocol.getCurrentOrBeforeCode().intValue());
-                //璇诲埌鐨勪簩缁寸爜X鏂瑰悜鍋忕Щ閲�
-                basShuttle.setCodeOffsetX(shuttleProtocol.getCodeOffsetX().intValue());
-                //璇诲埌鐨勪簩缁寸爜Y鏂瑰悜鍋忕Щ閲�
-                basShuttle.setCodeOffsetY(shuttleProtocol.getCodeOffsetY().intValue());
-                //褰撳墠鐨勭數鍘嬪��
-                basShuttle.setCurrentVoltage(shuttleProtocol.getCurrentVoltage().intValue());
-                //褰撳墠鐨勬ā鎷熼噺鍊�
-                basShuttle.setCurrentAnalogValue(shuttleProtocol.getCurrentAnalogValue().intValue());
-                //褰撳墠鐨勫崌闄嶄己鏈嶉�熷害
-                basShuttle.setCurrentLiftServoSpeed(shuttleProtocol.getCurrentLiftServoSpeed().intValue());
-                //褰撳墠鐨勮璧颁己鏈嶉�熷害
-                basShuttle.setCurrentMoveServoSpeed(shuttleProtocol.getCurrentMoveServoSpeed().intValue());
-                //褰撳墠鐨勫崌闄嶄己鏈嶈礋杞界巼
-                basShuttle.setCurrentLiftServoLoad(shuttleProtocol.getCurrentLiftServoLoad().intValue());
-                //褰撳墠鐨勮璧颁己鏈嶈礋杞界巼
-                basShuttle.setCurrentMoveServoLoad(shuttleProtocol.getCurrentMoveServoLoad().intValue());
-                //褰撳墠灏忚溅鐘舵�侊紙鍐呴儴鑷垜缁存姢锛�
-                basShuttle.setShuttleStatus(shuttleProtocol.getProtocolStatus());
-                //浠诲姟鍙�
-                basShuttle.setWrkNo(shuttleProtocol.getTaskNo().intValue());
-                //淇敼鏃堕棿
-                basShuttle.setUpdateTime(new Date());
-                //浣滀笟鏍囪
-                basShuttle.setPakMk(shuttleProtocol.getPakMk());
-                if (shuttleService.updateById(basShuttle)) {
-                    OutputQueue.SHUTTLE.offer(MessageFormat.format("銆恵0}銆慬id:{1}] <<<<< 瀹炴椂鏁版嵁鏇存柊鎴愬姛",DateUtils.convert(new Date()), slave.getId()));
-//                    log.info(MessageFormat.format("銆恵0}銆慬id:{1}] <<<<< 瀹炴椂鏁版嵁鏇存柊鎴愬姛",DateUtils.convert(new Date()), slave.getId()));
-                }
 
             }else {
                 OutputQueue.SHUTTLE.offer(MessageFormat.format("銆恵0}銆憑1}鍥涘悜绌挎杞lc鐘舵�佷俊鎭け璐�", DateUtils.convert(new Date()), slave.getId()));
@@ -292,18 +275,40 @@
         }
         command.setShuttleNo(slave.getId().shortValue());
         short[] array = getCommandArr(command);//鑾峰彇鍛戒护鎶ユ枃
-        OperateResult result = modbusTcpNet.Write("0", array);;
+        OperateResult result = modbusTcpNet.Write("0", array);
         if (result != null && result.IsSuccess) {
+            News.info("鍥涘悜绌挎杞﹀懡浠や笅鍙慬id:{}] >>>>> {}", slave.getId(), JSON.toJSON(command));
+            OutputQueue.SHUTTLE.offer(MessageFormat.format("銆恵0}銆慬id:{1}] >>>>> 鍛戒护涓嬪彂锛� {2}", DateUtils.convert(new Date()), slave.getId(), JSON.toJSON(command)));
+
             try {
-                Thread.sleep(3000);//鍛戒护涓嬪彂鍚庝紤鐪�1s
+                Thread.sleep(3000);//鍛戒护涓嬪彂鍚庝紤鐪�
             } catch (InterruptedException e) {
                 throw new RuntimeException(e);
             }
-            News.info("鍥涘悜绌挎杞﹀懡浠や笅鍙慬id:{}] >>>>> {}", slave.getId(), JSON.toJSON(command));
-            OutputQueue.SHUTTLE.offer(MessageFormat.format("銆恵0}銆慬id:{1}] >>>>> 鍛戒护涓嬪彂锛� {2}", DateUtils.convert(new Date()), slave.getId(), JSON.toJSON(command)));
+
+            for (int i = 0; i < 5; i++) {
+                if (command.getCommandWord().intValue() == 5 || command.getCommandWord().intValue() == 6) {
+                    break;//鍏呯數寮�鍏冲拰绯荤粺澶嶄綅涓嶉渶瑕侀噸鍙戞満鍒�
+                }
+                readStatus();//閲嶆柊璇诲彇鐘舵��
+                if (shuttleProtocol.getBusyStatusType().equals(ShuttleStatusType.BUSY)) {
+                    break;
+                }
+
+                //鍒ゆ柇鏄惁杩愯涓紝濡備笉杩愯锛岄噸鏂颁笅鍙戝懡浠�
+                result = modbusTcpNet.Write("0", array);
+                News.info("鍥涘悜绌挎杞﹀懡浠や笅鍙慬id:{}] >>>>> {},娆℃暟锛歿}", slave.getId(), JSON.toJSON(command), i);
+                OutputQueue.SHUTTLE.offer(MessageFormat.format("銆恵0}銆慬id:{1}] >>>>> 鍛戒护涓嬪彂锛� {2},娆℃暟锛歿}", DateUtils.convert(new Date()), slave.getId(), JSON.toJSON(command), i));
+                try {
+                    Thread.sleep(300);//鍛戒护涓嬪彂鍚庝紤鐪�
+                } catch (InterruptedException e) {
+                    throw new RuntimeException(e);
+                }
+            }
+
             return true;
         } else {
-            OutputQueue.SHUTTLE.offer(MessageFormat.format("銆恵0}銆戝啓鍏ュ洓鍚戠┛姊溅plc鏁版嵁澶辫触 ===>> [id:{1}] [ip:{2}] [port:{3}]", DateUtils.convert(new Date()), slave.getId(), slave.getIp(), slave.getPort()));
+            OutputQueue.SHUTTLE.offer(MessageFormat.format("銆恵0}銆戝啓鍏ュ洓鍚戠┛姊溅plc鏁版嵁澶辫触 ===>> [id:{1}] [ip:{2}] [port:{3}],娆℃暟锛歿}", DateUtils.convert(new Date()), slave.getId(), slave.getIp(), slave.getPort()));
             News.error("鍐欏叆鍥涘悜绌挎杞lc鏁版嵁澶辫触 ===>> [id:{}] [ip:{}] [port:{}]", slave.getId(), slave.getIp(), slave.getPort());
             return false;
         }
@@ -389,6 +394,7 @@
      * 鍒濆鍖栧洓鍚戠┛姊溅
      */
     private void initShuttle() {
+        this.connect();
         if (null == shuttleProtocol) {
             shuttleProtocol = new ShuttleProtocol();
         }
@@ -408,12 +414,12 @@
             //鑾峰彇灏忚溅绉诲姩閫熷害
             BasShuttle basShuttle = shuttleService.selectById(slave.getId());
             Integer runSpeed = 1000;
-            if (basShuttle != null) {
-                Integer runSpeed1 = basShuttle.getRunSpeed();
-                if (runSpeed1 != null) {
-                    runSpeed = runSpeed1;
-                }
-            }
+//            if (basShuttle != null) {
+//                Integer runSpeed1 = basShuttle.getRunSpeed();
+//                if (runSpeed1 != null) {
+//                    runSpeed = runSpeed1;
+//                }
+//            }
 
             LiftThread liftThread = (LiftThread) SlaveConnection.get(SlaveType.Lift, 1);
             LiftProtocol liftProtocol = liftThread.getLiftProtocol();
@@ -439,7 +445,7 @@
                             //鐩爣璺緞
                             NavigateNode endPath = nodes.get(nodes.size() - 1);
                             Integer allDistance = NavigateUtils.getCurrentPathAllDistance(nodes);//璁$畻褰撳墠璺緞琛岃蛋鎬昏窛绂�
-                            Integer middleToDistDistance = NavigateUtils.getMiddleToDistDistance(nodes);//璁$畻涓棿鐐瑰埌鐩爣鐐硅璧拌窛绂�
+                            Integer middleToDistDistance = NavigateUtils.getMiddleToDistDistance(nodes, middlePath);//璁$畻涓棿鐐瑰埌鐩爣鐐硅璧拌窛绂�
 
                             //姝e父绉诲姩鍛戒护
                             Short startCode = NavigatePositionConvert.xyToPosition(startPath.getX(), startPath.getY(), startPath.getZ());//寮�濮嬩簩缁寸爜
@@ -475,7 +481,7 @@
                             //鐩爣璺緞
                             NavigateNode endPath = nodes.get(nodes.size() - 1);
                             Integer allDistance = NavigateUtils.getCurrentPathAllDistance(nodes);//璁$畻褰撳墠璺緞琛岃蛋鎬昏窛绂�
-                            Integer middleToDistDistance = NavigateUtils.getMiddleToDistDistance(nodes);//璁$畻涓棿鐐瑰埌鐩爣鐐硅璧拌窛绂�
+                            Integer middleToDistDistance = NavigateUtils.getMiddleToDistDistance(nodes, middlePath);//璁$畻涓棿鐐瑰埌鐩爣鐐硅璧拌窛绂�
 
                             //姝e父绉诲姩鍛戒护
                             Short startCode = NavigatePositionConvert.xyToPosition(startPath.getX(), startPath.getY(), startPath.getZ());//寮�濮嬩簩缁寸爜
@@ -537,7 +543,7 @@
                         Short liftArrival = liftProtocol.getPositionArrivalFeedback();//鎻愬崌鏈轰綅缃弽棣�
                         String liftSiteLocNo = Utils.liftArrivalToOutInStaLocNo(liftArrival);
                         LocMast locMast1 = locMastService.selectById(liftSiteLocNo);
-                        ShuttleCommand moveCommand = getMoveCommand(liftProtocol.getBarcode(), Short.parseShort(locMast1.getQrCodeValue()), 1400, ShuttleRunDirection.BOTTOM.id, null, null, runSpeed);
+                        ShuttleCommand moveCommand = getMoveCommand(liftProtocol.getBarcode(), Short.parseShort(locMast1.getQrCodeValue()), 1600, ShuttleRunDirection.BOTTOM.id, null, null, runSpeed);
                         commands.add(moveCommand);
 
                         //璧峰浣嶇疆淇敼涓烘彁鍗囨満鍙g珯鐐逛綅缃�
@@ -564,7 +570,7 @@
                             //鐩爣璺緞
                             NavigateNode endPath = nodes.get(nodes.size() - 1);
                             Integer allDistance = NavigateUtils.getCurrentPathAllDistance(nodes);//璁$畻褰撳墠璺緞琛岃蛋鎬昏窛绂�
-                            Integer middleToDistDistance = NavigateUtils.getMiddleToDistDistance(nodes);//璁$畻涓棿鐐瑰埌鐩爣鐐硅璧拌窛绂�
+                            Integer middleToDistDistance = NavigateUtils.getMiddleToDistDistance(nodes, middlePath);//璁$畻涓棿鐐瑰埌鐩爣鐐硅璧拌窛绂�
                             Short startCode = NavigatePositionConvert.xyToPosition(startPath.getX(), startPath.getY(), startPath.getZ());//寮�濮嬩簩缁寸爜
                             Short middleCode = NavigatePositionConvert.xyToPosition(middlePath.getX(), middlePath.getY(), middlePath.getZ());//涓棿浜岀淮鐮�
                             Short distCode = NavigatePositionConvert.xyToPosition(endPath.getX(), endPath.getY(), endPath.getZ());//鐩爣浜岀淮鐮�
@@ -601,7 +607,7 @@
                             //鐩爣璺緞
                             NavigateNode endPath = nodes.get(nodes.size() - 1);
                             Integer allDistance = NavigateUtils.getCurrentPathAllDistance(nodes);//璁$畻褰撳墠璺緞琛岃蛋鎬昏窛绂�
-                            Integer middleToDistDistance = NavigateUtils.getMiddleToDistDistance(nodes);//璁$畻涓棿鐐瑰埌鐩爣鐐硅璧拌窛绂�
+                            Integer middleToDistDistance = NavigateUtils.getMiddleToDistDistance(nodes, middlePath);//璁$畻涓棿鐐瑰埌鐩爣鐐硅璧拌窛绂�
                             Short startCode = NavigatePositionConvert.xyToPosition(startPath.getX(), startPath.getY(), startPath.getZ());//寮�濮嬩簩缁寸爜
                             Short middleCode = NavigatePositionConvert.xyToPosition(middlePath.getX(), middlePath.getY(), middlePath.getZ());//涓棿浜岀淮鐮�
                             Short distCode = NavigatePositionConvert.xyToPosition(endPath.getX(), endPath.getY(), endPath.getZ());//鐩爣浜岀淮鐮�
@@ -617,7 +623,7 @@
                     }
 
                     //澧炲姞绉诲姩杩涙彁鍗囨満鍛戒护
-                    ShuttleCommand moveCommand = getMoveCommand(endStartCode, liftProtocol.getBarcode(), 1400, ShuttleRunDirection.TOP.id, null, null, runSpeed);
+                    ShuttleCommand moveCommand = getMoveCommand(endStartCode, liftProtocol.getBarcode(), 1600, ShuttleRunDirection.TOP.id, null, null, runSpeed);
                     commands.add(moveCommand);
                     break;
                 default:
@@ -945,6 +951,10 @@
             }
         }
 
+        if (commands.size() == 0) {
+            return false;
+        }
+
         //褰撳墠绛夊緟鎵ц鐨勬寚浠�
         ShuttleCommand command = commands.get(commandStep);
 

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