1

server/gameserver/mapinstance.cc

@@ -612,3 +612,34 @@ glm::vec3 MapInstance::UnScaleEx(const glm::vec3& v)
     UnScale(result);
     return result;
 }
+
+dtPoly* MapInstance::GetPoly(glm::vec3 pos)
+{
+    dtPolyRef startRef = INVALID_NAVMESH_POLYREF;
+
+    dtQueryFilter filter;
+    filter.setIncludeFlags(0xffff);
+    filter.setExcludeFlags(0);
+
+    const float extents[3] = {2.f, 4.f, 2.f};
+    float nearestPt[3];
+
+    Scale(pos);
+
+    float pos1[3];
+    pos1[0] = pos.x;
+    pos1[1] = pos.y;
+    pos1[2] = pos.z;
+
+    const dtMeshTile* tile = navmesh_->getTileAt(0, 0, 0);
+    assert(tile);
+    navmesh_query_->findNearestPoly(pos1, extents, &filter, &startRef, nearestPt);
+    if (startRef) {
+        unsigned int slat = 0;
+        unsigned int it = 0;
+        unsigned int ip = 0;
+        navmesh_->decodePolyId(startRef, slat, it, ip);
+        return &tile->polys[ip];
+    }
+    return nullptr;
+}

server/gameserver/mapinstance.h

@@ -37,6 +37,7 @@ class MapInstance : public std::enable_shared_from_this<MapInstance>
                  glm::vec3& hit_point, bool& hit_result);
     bool FindNearestPoint(const glm::vec3& center, float radius, glm::vec3& nearestPt);
     bool GetPosHeight(const Position& pos, float& out_height);
+    dtPoly* GetPoly(glm::vec3 pos);
     void Scale(glm::vec3& v);
     void UnScale(glm::vec3& v);
     glm::vec3 UnScaleEx(const glm::vec3& v);