From 97c426966b93224acbac34e770683af22db25f11 Mon Sep 17 00:00:00 2001
From: ikpil <ikpil@naver.com>
Date: Wed, 28 Jun 2023 23:12:32 +0900
Subject: [PATCH] OffMeshConnectionTool, impl

---
 .../Tools/OffMeshConnectionTool.cs            | 31 ++--------
 .../Tools/OffMeshConnectionToolImpl.cs        | 59 ++++++++++++++++++-
 .../Tools/OffMeshConnectionToolOptions.cs     |  7 +++
 3 files changed, 69 insertions(+), 28 deletions(-)
 create mode 100644 src/DotRecast.Recast.DemoTool/Tools/OffMeshConnectionToolOptions.cs

diff --git a/src/DotRecast.Recast.Demo/Tools/OffMeshConnectionTool.cs b/src/DotRecast.Recast.Demo/Tools/OffMeshConnectionTool.cs
index 6c5b81c..0e00c0e 100644
--- a/src/DotRecast.Recast.Demo/Tools/OffMeshConnectionTool.cs
+++ b/src/DotRecast.Recast.Demo/Tools/OffMeshConnectionTool.cs
@@ -35,7 +35,6 @@ public class OffMeshConnectionTool : IRcTool
     private readonly OffMeshConnectionToolImpl _impl;
     private bool hitPosSet;
     private RcVec3f hitPos;
-    private int bidir;
 
     public OffMeshConnectionTool()
     {
@@ -46,7 +45,7 @@ public class OffMeshConnectionTool : IRcTool
     {
         return _impl;
     }
-    
+
     public void OnSampleChanged()
     {
         // ..
@@ -62,24 +61,7 @@ public class OffMeshConnectionTool : IRcTool
 
         if (shift)
         {
-            // Delete
-            // Find nearest link end-point
-            float nearestDist = float.MaxValue;
-            DemoOffMeshConnection nearestConnection = null;
-            foreach (DemoOffMeshConnection offMeshCon in geom.GetOffMeshConnections())
-            {
-                float d = Math.Min(RcVec3f.DistSqr(p, offMeshCon.verts, 0), RcVec3f.DistSqr(p, offMeshCon.verts, 3));
-                if (d < nearestDist && Math.Sqrt(d) < _impl.GetSample().GetSettings().agentRadius)
-                {
-                    nearestDist = d;
-                    nearestConnection = offMeshCon;
-                }
-            }
-
-            if (nearestConnection != null)
-            {
-                geom.GetOffMeshConnections().Remove(nearestConnection);
-            }
+            _impl.Remove(p);
         }
         else
         {
@@ -91,9 +73,7 @@ public class OffMeshConnectionTool : IRcTool
             }
             else
             {
-                int area = SampleAreaModifications.SAMPLE_POLYAREA_TYPE_JUMP;
-                int flags = SampleAreaModifications.SAMPLE_POLYFLAGS_JUMP;
-                geom.AddOffMeshConnection(hitPos, p, _impl.GetSample().GetSettings().agentRadius, 0 == bidir, area, flags);
+                _impl.Add(hitPos, p);
                 hitPosSet = false;
             }
         }
@@ -123,8 +103,9 @@ public class OffMeshConnectionTool : IRcTool
 
     public void Layout()
     {
-        ImGui.RadioButton("One Way", ref bidir, 0);
-        ImGui.RadioButton("Bidirectional", ref bidir, 1);
+        var options = _impl.GetOptions();
+        ImGui.RadioButton("One Way", ref options.bidir, 0);
+        ImGui.RadioButton("Bidirectional", ref options.bidir, 1);
     }
 
 
diff --git a/src/DotRecast.Recast.DemoTool/Tools/OffMeshConnectionToolImpl.cs b/src/DotRecast.Recast.DemoTool/Tools/OffMeshConnectionToolImpl.cs
index c418ecc..4818c38 100644
--- a/src/DotRecast.Recast.DemoTool/Tools/OffMeshConnectionToolImpl.cs
+++ b/src/DotRecast.Recast.DemoTool/Tools/OffMeshConnectionToolImpl.cs
@@ -1,14 +1,25 @@
-namespace DotRecast.Recast.DemoTool.Tools
+using System;
+using DotRecast.Core;
+using DotRecast.Recast.DemoTool.Builder;
+using DotRecast.Recast.DemoTool.Geom;
+
+namespace DotRecast.Recast.DemoTool.Tools
 {
     public class OffMeshConnectionToolImpl : ISampleTool
     {
         private Sample _sample;
-        
+        private readonly OffMeshConnectionToolOptions _options;
+
+        public OffMeshConnectionToolImpl()
+        {
+            _options = new OffMeshConnectionToolOptions();
+        }
+
         public string GetName()
         {
             return "Create Off-Mesh Links";
         }
-        
+
         public void SetSample(Sample sample)
         {
             _sample = sample;
@@ -19,5 +30,47 @@
             return _sample;
         }
 
+
+        public OffMeshConnectionToolOptions GetOptions()
+        {
+            return _options;
+        }
+
+        public void Add(RcVec3f start, RcVec3f end)
+        {
+            DemoInputGeomProvider geom = _sample.GetInputGeom();
+            if (null == geom)
+                return;
+
+            int area = SampleAreaModifications.SAMPLE_POLYAREA_TYPE_JUMP;
+            int flags = SampleAreaModifications.SAMPLE_POLYFLAGS_JUMP;
+            geom.AddOffMeshConnection(start, end, _sample.GetSettings().agentRadius, 0 == _options.bidir, area, flags);
+        }
+
+        public void Remove(RcVec3f p)
+        {
+            DemoInputGeomProvider geom = _sample.GetInputGeom();
+            if (null == geom)
+                return;
+
+            // Delete
+            // Find nearest link end-point
+            float nearestDist = float.MaxValue;
+            DemoOffMeshConnection nearestConnection = null;
+            foreach (DemoOffMeshConnection offMeshCon in geom.GetOffMeshConnections())
+            {
+                float d = Math.Min(RcVec3f.DistSqr(p, offMeshCon.verts, 0), RcVec3f.DistSqr(p, offMeshCon.verts, 3));
+                if (d < nearestDist && Math.Sqrt(d) < _sample.GetSettings().agentRadius)
+                {
+                    nearestDist = d;
+                    nearestConnection = offMeshCon;
+                }
+            }
+
+            if (nearestConnection != null)
+            {
+                geom.GetOffMeshConnections().Remove(nearestConnection);
+            }
+        }
     }
 }
\ No newline at end of file
diff --git a/src/DotRecast.Recast.DemoTool/Tools/OffMeshConnectionToolOptions.cs b/src/DotRecast.Recast.DemoTool/Tools/OffMeshConnectionToolOptions.cs
new file mode 100644
index 0000000..5742fe0
--- /dev/null
+++ b/src/DotRecast.Recast.DemoTool/Tools/OffMeshConnectionToolOptions.cs
@@ -0,0 +1,7 @@
+namespace DotRecast.Recast.DemoTool.Tools
+{
+    public class OffMeshConnectionToolOptions
+    {
+        public int bidir;
+    }
+}
\ No newline at end of file