From f761d936763d2a6dea0333d8e339559e721b3992 Mon Sep 17 00:00:00 2001
From: tian <11429339@qq.com>
Date: Tue, 14 Oct 2025 12:05:05 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E6=B7=BB=E5=8A=A0=E9=80=9A=E9=81=93?=
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修改内容：
1. 在 ClashDetectiveIntegration 中添加 IsChannelObjectPublic() 公开方法
2. SpatialIndexManager.BuildGlobalIndex() 构建索引前调用 BuildChannelObjectsCache()
3. 索引循环中过滤通道对象，避免将其加入空间索引
4. 增强日志输出，显示排除的通道对象数量

技术细节：
- 使用已有的 _channelObjectsCache 进行 O(1) 查询
- 在索引构建时过滤（一次性）而非每次查询时过滤
- 保持与旧架构相同的通道排除逻辑

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
---
 .../Collision/ClashDetectiveIntegration.cs    | 12 ++++++++++-
 src/Core/Spatial/SpatialIndexManager.cs       | 20 +++++++++++++++++--
 2 files changed, 29 insertions(+), 3 deletions(-)

diff --git a/src/Core/Collision/ClashDetectiveIntegration.cs b/src/Core/Collision/ClashDetectiveIntegration.cs
index c85414c..0782127 100644
--- a/src/Core/Collision/ClashDetectiveIntegration.cs
+++ b/src/Core/Collision/ClashDetectiveIntegration.cs
@@ -1087,7 +1087,7 @@ namespace NavisworksTransport
                 {
                     BuildChannelObjectsCache();
                 }
-                
+
                 // 直接查询缓存，避免递归和重复属性查询
                 return _channelObjectsCache.Contains(item);
             }
@@ -1098,6 +1098,16 @@ namespace NavisworksTransport
             }
         }
 
+        /// <summary>
+        /// 公开方法：检查物体是否为通道物体（供外部使用）
+        /// </summary>
+        /// <param name="item">要检查的模型对象</param>
+        /// <returns>如果是通道对象返回 true</returns>
+        public bool IsChannelObjectPublic(ModelItem item)
+        {
+            return IsChannelObject(item);
+        }
+
         /// <summary>
         /// 构建通道对象缓存，一次性扫描所有对象，避免重复的属性查询
         /// </summary>
diff --git a/src/Core/Spatial/SpatialIndexManager.cs b/src/Core/Spatial/SpatialIndexManager.cs
index f5a5968..135cc7f 100644
--- a/src/Core/Spatial/SpatialIndexManager.cs
+++ b/src/Core/Spatial/SpatialIndexManager.cs
@@ -6,6 +6,9 @@ using Autodesk.Navisworks.Api;
 using NavisworksTransport.Utils;
 using g4; // geometry4Sharp
 
+// 使用命名空间引用以避免类名冲突
+using ClashIntegration = NavisworksTransport.ClashDetectiveIntegration;
+
 namespace NavisworksTransport.Core.Spatial
 {
     /// <summary>
@@ -79,12 +82,16 @@ namespace NavisworksTransport.Core.Spatial
             {
                 _cellSize = cellSizeInModelUnits;
 
+                // 0. 构建通道对象缓存（用于排除通道）
+                ClashIntegration.Instance.BuildChannelObjectsCache();
+                ClashIntegration.BuildAllGeometryItemsCache();
+
                 // 1. 获取所有几何对象
                 var allItems = Application.ActiveDocument.Models.RootItemDescendantsAndSelf
                     .Where(item => item.HasGeometry)
                     .ToList();
 
-                LogManager.Info($"[空间索引] 找到 {allItems.Count} 个几何对象");
+                LogManager.Info($"[空间索引] 找到 {allItems.Count} 个几何对象（含通道）");
 
                 if (allItems.Count == 0)
                 {
@@ -96,14 +103,22 @@ namespace NavisworksTransport.Core.Spatial
                 _globalSpatialIndex = new SpatialHashGrid<ModelItem>(cellSizeInModelUnits);
                 _objectPositions.Clear();
 
-                // 3. 索引所有对象
+                // 3. 索引所有对象（排除通道对象）
                 int indexedCount = 0;
                 int failedCount = 0;
+                int channelExcludedCount = 0;
 
                 foreach (var item in allItems)
                 {
                     try
                     {
+                        // 排除通道对象
+                        if (ClashIntegration.Instance.IsChannelObjectPublic(item))
+                        {
+                            channelExcludedCount++;
+                            continue;
+                        }
+
                         // 获取包围盒中心作为对象位置
                         var bbox = item.BoundingBox();
                         var center = new Vector3d(
@@ -134,6 +149,7 @@ namespace NavisworksTransport.Core.Spatial
 
                 LogManager.Info("[空间索引] 构建完成");
                 LogManager.Info($"  - 成功索引: {indexedCount} 个对象");
+                LogManager.Info($"  - 排除通道: {channelExcludedCount} 个对象");
                 LogManager.Info($"  - 失败: {failedCount} 个对象");
                 LogManager.Info($"  - 格子数量: {_globalSpatialIndex.CellCount} 个");
                 LogManager.Info($"  - 耗时: {sw.ElapsedMilliseconds} ms");