From 642f20dd1b068e23146b8ec96c5eac8b63c96b87 Mon Sep 17 00:00:00 2001
From: jianghaiyue <jianghaiyue@zkyt.com>
Date: 星期三, 05 十一月 2025 18:18:25 +0800
Subject: [PATCH] 优化更新

---
 algo-zkd/src/main/java/com/algo/service/AStarPathPlanner.java |  129 ++++++++++++++++++++++++++++++++++++++++--
 1 files changed, 122 insertions(+), 7 deletions(-)

diff --git a/algo-zkd/src/main/java/com/algo/service/AStarPathPlanner.java b/algo-zkd/src/main/java/com/algo/service/AStarPathPlanner.java
index 894f28e..486c246 100644
--- a/algo-zkd/src/main/java/com/algo/service/AStarPathPlanner.java
+++ b/algo-zkd/src/main/java/com/algo/service/AStarPathPlanner.java
@@ -367,8 +367,9 @@
             }
         }
 
-        // 鍑忓皯绛夊緟閫夐」
-        if (Math.random() < 0.2) {
+        // 蹇呰鏃讹紙鏈夊啿绐侊級鐢熸垚绛夊緟鑺傜偣锛涘綋鍓嶈妭鐐圭殑鎵�鏈夐偦灞呭湪鐭湡鍐呴兘琚樆鎸″垯绛夊緟
+        boolean allNeighborsBlocked = checkIfAllNeighborsBlocked(current, constraintChecker, physicalConfig);
+        if (allNeighborsBlocked) {
             long waitTime = timeResolution;
             long waitUntilTime = current.timePoint + waitTime;
             String waitKey = createSpaceTimeKey(current.code, waitUntilTime);
@@ -392,6 +393,52 @@
                 }
             }
         }
+    }
+
+    /**
+     * 妫�鏌ュ綋鍓嶈妭鐐圭殑閭诲眳鏄惁鍦ㄧ煭鏈熷唴閮借闃绘尅
+     */
+    private boolean checkIfAllNeighborsBlocked(SpaceTimeAStarNode current,
+                                               EnhancedConstraintChecker constraintChecker,
+                                               CTUPhysicalConfig physicalConfig) {
+        // 鑾峰彇褰撳墠鑺傜偣鐨勬墍鏈夌┖闂撮偦灞�
+        List<Map<String, String>> neighbors = getNeighbors(current.code);
+        
+        if (neighbors.isEmpty()) {
+            return true;
+        }
+        
+        // 妫�鏌ユ湭鏉ュ嚑涓椂闂寸墖鍐呯殑鍗犵敤鎯呭喌
+        int checkTimeSteps = 3;
+        boolean allBlocked = true;
+        
+        for (int step = 1; step <= checkTimeSteps; step++) {
+            long checkTime = current.timePoint + (step * timeResolution);
+            
+            // 妫�鏌ユ槸鍚︽湁鑷冲皯涓�涓偦灞呭湪褰撳墠鏃堕棿鐗囧彲鐢�
+            for (Map<String, String> neighbor : neighbors) {
+                String neighborCode = neighbor.get("code");
+                long arrivalTime = checkTime;
+                
+                // 瀵归綈鍒版椂闂村垎杈ㄧ巼
+                arrivalTime = alignToTimeResolution(arrivalTime);
+                
+                // 妫�鏌ヨ繖涓偦灞呭湪褰撳墠鏃堕棿鐗囨槸鍚﹀彲鐢�
+                if (constraintChecker.isValidMove(current.code, neighborCode, 
+                        current.timePoint, arrivalTime)) {
+                    // 鑷冲皯鏈変竴涓偦灞呭彲鐢紝涓嶉渶瑕佺瓑寰�
+                    allBlocked = false;
+                    break;
+                }
+            }
+            
+            // 濡傛灉鎵惧埌鍙敤閭诲眳锛屼笉闇�瑕佺瓑寰�
+            if (!allBlocked) {
+                break;
+            }
+        }
+        
+        return allBlocked;
     }
 
     /**
@@ -566,17 +613,85 @@
             codeList.add(pathCode);
         }
 
+        codeList = optimizePathByRemovingBacktrack(codeList);
+
         PlannedPath plannedPath = new PlannedPath("", "", codeList);
         
-        // 浣跨敤缁熶竴鐨勬椂闂磋绠楀櫒璁$畻绮剧‘鏃堕棿
-        long startTime = pathNodes.get(0).timePoint;
-        CTUPhysicalConfig defaultConfig = createDefaultPhysicalConfig();
-        timeCalculator.calculatePathTiming(plannedPath, startTime, defaultConfig, 0.0);
-        
         return plannedPath;
     }
 
     /**
+     * 浼樺寲璺緞锛氬幓闄ょ┖闂翠笂鐨勯噸澶嶇偣锛堥伩鍏嶆潵鍥炶蛋锛�
+     * 妫�娴嬪苟绉婚櫎 A->B->A 妯″紡鐨勬潵鍥炶蛋锛岄伩鍏嶄笉蹇呰鐨勭粫琛�
+     *
+     * @param codeList 鍘熷璺緞浠g爜鍒楄〃
+     * @return 浼樺寲鍚庣殑璺緞浠g爜鍒楄〃
+     */
+    private List<PathCode> optimizePathByRemovingBacktrack(List<PathCode> codeList) {
+        if (codeList == null || codeList.size() <= 2) {
+            return codeList;
+        }
+
+        List<PathCode> optimized = new ArrayList<>();
+        int i = 0;
+        
+        while (i < codeList.size()) {
+            PathCode current = codeList.get(i);
+            
+            // 妫�鏌ユ槸鍚︽槸鏉ュ洖璧版ā寮忥細A->B->A锛堣繛缁笁涓偣锛岀涓�涓拰绗笁涓浉鍚岋級
+            // 濡傛灉鍑虹幇鏉ュ洖璧帮紝璺宠繃B鍜岀浜屼釜A锛岀洿鎺ュ埌涓嬩竴涓笉鍚岀殑鐐�
+            if (i < codeList.size() - 2) {
+                PathCode next = codeList.get(i + 1);
+                PathCode nextNext = codeList.get(i + 2);
+                
+                // 妫�娴嬫潵鍥炶蛋锛氬綋鍓嶄綅缃� == 涓嬩笅涓綅缃紝涓斾腑闂翠綅缃笉鍚�
+                if (current.getCode().equals(nextNext.getCode()) && 
+                    !current.getCode().equals(next.getCode())) {
+                    // 鏉ュ洖璧帮細璺宠繃B鍜岀浜屼釜A锛岀洿鎺ュ鐞嗕笅涓�涓笉鍚岀殑鐐�
+                    // 鎵惧埌涓嬩竴涓笌褰撳墠鐐逛笉鍚岀殑浣嶇疆
+                    int j = i + 2;
+                    while (j < codeList.size() && codeList.get(j).getCode().equals(current.getCode())) {
+                        j++;
+                    }
+                    // 濡傛灉鎵惧埌浜嗕笉鍚岀殑鐐癸紝鎴栬�呭埌杈炬湯灏撅紝璺宠繃鏉ュ洖璧扮殑閮ㄥ垎
+                    if (j < codeList.size()) {
+                        i = j; // 璺冲埌涓嬩竴涓笉鍚岀殑鐐�
+                        continue;
+                    } else {
+                        // 濡傛灉鍚庨潰閮芥槸鐩稿悓鐐癸紝淇濈暀褰撳墠鐐癸紙鍙兘鏄洰鏍囩偣锛�
+                        break;
+                    }
+                }
+            }
+            
+            // 姝e父娣诲姞褰撳墠鐐�
+            optimized.add(current);
+            i++;
+        }
+        
+        // 纭繚鐩爣鐐硅鍖呭惈
+        if (!optimized.isEmpty() && !codeList.isEmpty()) {
+            PathCode lastOriginal = codeList.get(codeList.size() - 1);
+            PathCode lastOptimized = optimized.get(optimized.size() - 1);
+            if (!lastOriginal.getCode().equals(lastOptimized.getCode())) {
+                optimized.add(lastOriginal);
+            }
+        }
+        
+        // 閲嶆柊璁$畻鏂瑰悜锛堝洜涓轰紭鍖栧悗璺宠繃浜嗕腑闂寸偣锛屾柟鍚戦渶瑕佹洿鏂帮級
+        for (int k = 0; k < optimized.size(); k++) {
+            PathCode code = optimized.get(k);
+            if (k < optimized.size() - 1) {
+                PathCode nextCode = optimized.get(k + 1);
+                String direction = calculateDirection(code.getCode(), nextCode.getCode());
+                code.setDirection(direction);
+            }
+        }
+        
+        return optimized;
+    }
+
+    /**
      * 鍒涘缓鏃剁┖閿�
      *
      * @param code      浣嶇疆浠g爜

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