Add DefaultQueryExtent to navmesh properties

Source/Engine/Navigation/NavMeshRuntime.cpp

@@ -16,9 +16,6 @@
 #define USE_NAV_MESH_ALLOC 1
 // TODO: try not using USE_NAV_MESH_ALLOC
 
-#define DEFAULT_NAV_QUERY_EXTENT_HORIZONTAL 50.0f
-#define DEFAULT_NAV_QUERY_EXTENT_VERTICAL 250.0f
-
 namespace
 {
     FORCE_INLINE void InitFilter(dtQueryFilter& filter)
@@ -58,7 +55,7 @@ bool NavMeshRuntime::FindDistanceToWall(const Vector3& startPosition, NavMeshHit
 
     dtQueryFilter filter;
     InitFilter(filter);
-    Vector3 extent(DEFAULT_NAV_QUERY_EXTENT_HORIZONTAL, DEFAULT_NAV_QUERY_EXTENT_VERTICAL, DEFAULT_NAV_QUERY_EXTENT_HORIZONTAL);
+    Vector3 extent = Properties.DefaultQueryExtent;
 
     Vector3 startPositionNavMesh;
     Vector3::Transform(startPosition, Properties.Rotation, startPositionNavMesh);
@@ -96,7 +93,7 @@ bool NavMeshRuntime::FindPath(const Vector3& startPosition, const Vector3& endPo
 
     dtQueryFilter filter;
     InitFilter(filter);
-    Vector3 extent(DEFAULT_NAV_QUERY_EXTENT_HORIZONTAL, DEFAULT_NAV_QUERY_EXTENT_VERTICAL, DEFAULT_NAV_QUERY_EXTENT_HORIZONTAL);
+    Vector3 extent = Properties.DefaultQueryExtent;
 
     Vector3 startPositionNavMesh, endPositionNavMesh;
     Vector3::Transform(startPosition, Properties.Rotation, startPositionNavMesh);
@@ -164,7 +161,7 @@ bool NavMeshRuntime::TestPath(const Vector3& startPosition, const Vector3& endPo
 
     dtQueryFilter filter;
     InitFilter(filter);
-    Vector3 extent(DEFAULT_NAV_QUERY_EXTENT_HORIZONTAL, DEFAULT_NAV_QUERY_EXTENT_VERTICAL, DEFAULT_NAV_QUERY_EXTENT_HORIZONTAL);
+    Vector3 extent = Properties.DefaultQueryExtent;
 
     Vector3 startPositionNavMesh, endPositionNavMesh;
     Vector3::Transform(startPosition, Properties.Rotation, startPositionNavMesh);
@@ -211,7 +208,7 @@ bool NavMeshRuntime::ProjectPoint(const Vector3& point, Vector3& result) const
 
     dtQueryFilter filter;
     InitFilter(filter);
-    Vector3 extent(DEFAULT_NAV_QUERY_EXTENT_HORIZONTAL, DEFAULT_NAV_QUERY_EXTENT_VERTICAL, DEFAULT_NAV_QUERY_EXTENT_HORIZONTAL);
+    Vector3 extent = Properties.DefaultQueryExtent;
 
     Vector3 pointNavMesh;
     Vector3::Transform(point, Properties.Rotation, pointNavMesh);
@@ -269,7 +266,7 @@ bool NavMeshRuntime::FindRandomPointAroundCircle(const Vector3& center, float ra
 
     dtQueryFilter filter;
     InitFilter(filter);
-    Vector3 extent(DEFAULT_NAV_QUERY_EXTENT_HORIZONTAL, DEFAULT_NAV_QUERY_EXTENT_VERTICAL, DEFAULT_NAV_QUERY_EXTENT_HORIZONTAL);
+    Vector3 extent = Properties.DefaultQueryExtent;
 
     Vector3 centerNavMesh;
     Vector3::Transform(center, Properties.Rotation, centerNavMesh);
@@ -307,7 +304,7 @@ bool NavMeshRuntime::RayCast(const Vector3& startPosition, const Vector3& endPos
 
     dtQueryFilter filter;
     InitFilter(filter);
-    Vector3 extent(DEFAULT_NAV_QUERY_EXTENT_HORIZONTAL, DEFAULT_NAV_QUERY_EXTENT_VERTICAL, DEFAULT_NAV_QUERY_EXTENT_HORIZONTAL);
+    Vector3 extent = Properties.DefaultQueryExtent;
 
     Vector3 startPositionNavMesh, endPositionNavMesh;
     Vector3::Transform(startPosition, Properties.Rotation, startPositionNavMesh);

Source/Engine/Navigation/Navigation.cpp

@@ -146,7 +146,7 @@ bool NavAreaProperties::operator==(const NavAreaProperties& other) const
 
 bool NavMeshProperties::operator==(const NavMeshProperties& other) const
 {
-    return Name == other.Name && Quaternion::NearEqual(Rotation, other.Rotation, 0.001f) && Agent == other.Agent;
+    return Name == other.Name && Quaternion::NearEqual(Rotation, other.Rotation, 0.001f) && Agent == other.Agent && Vector3::NearEqual(DefaultQueryExtent, other.DefaultQueryExtent);
 }
 
 class NavigationService : public EngineService

Source/Engine/Navigation/NavigationSettings.cs

@@ -1,6 +1,7 @@
 // Copyright (c) 2012-2020 Wojciech Figat. All rights reserved.
 
 using System;
+using System.Runtime.Serialization;
 using FlaxEngine;
 
 namespace FlaxEditor.Content.Settings
@@ -22,6 +23,7 @@ namespace FlaxEditor.Content.Settings
             navMesh.Agent.Height = 144.0f;
             navMesh.Agent.StepHeight = 35.0f;
             navMesh.Agent.MaxSlopeAngle = 60.0f;
+            navMesh.DefaultQueryExtent = new Vector3(50.0f, 250.0f, 50.0f);
 
             // Init nav areas
             NavAreas = new NavAreaProperties[2];
@@ -51,6 +53,7 @@ namespace FlaxEditor.Content.Settings
             navMesh.Agent.Height = 144.0f;
             navMesh.Agent.StepHeight = 35.0f;
             navMesh.Agent.MaxSlopeAngle = 60.0f;
+            navMesh.DefaultQueryExtent = new Vector3(50.0f, 250.0f, 50.0f);
         }
 
         // [Deprecated on 12.01.2021, expires on 12.01.2022]
@@ -105,6 +108,23 @@ namespace FlaxEditor.Content.Settings
 
 namespace FlaxEngine
 {
+    partial struct NavMeshProperties
+    {
+        [OnDeserialized]
+        internal void OnDeserialized(StreamingContext context)
+        {
+            // [Deprecated on 07.04.2021, expires on 07.04.2022]
+            if (DefaultQueryExtent.IsZero)
+                DefaultQueryExtent = new Vector3(50.0f, 250.0f, 50.0f);
+        }
+
+        /// <inheritdoc />
+        public override string ToString()
+        {
+            return Name;
+        }
+    }
+
     partial struct NavAgentProperties
     {
         /// <inheritdoc />

Source/Engine/Navigation/NavigationTypes.h

@@ -83,6 +83,12 @@ DECLARE_SCRIPTING_TYPE_MINIMAL(NavMeshProperties);
     API_FIELD(Attributes="EditorOrder(30)")
     NavAgentProperties Agent;
 
+    /// <summary>
+    /// The default extents for the nav queries that defines the search distance along each axis (x, y, z). Smaller values prevent queries from snapping to too far locations.
+    /// </summary>
+    API_FIELD(Attributes="EditorOrder(40)")
+    Vector3 DefaultQueryExtent = Vector3(50.0f, 250.0f, 50.0f);
+
     bool operator==(const NavMeshProperties& other) const;
 
     bool operator!=(const NavMeshProperties& other) const