remove VectorPtr

src/DotRecast.Core/RcMath.cs

@@ -155,15 +155,6 @@ namespace DotRecast.Core
         }
 
         
-        public static Vector3f VSub(VectorPtr v1, VectorPtr v2)
-        {
-            Vector3f dest = new Vector3f();
-            dest.x = v1.Get(0) - v2.Get(0);
-            dest.y = v1.Get(1) - v2.Get(1);
-            dest.z = v1.Get(2) - v2.Get(2);
-            return dest;
-        }
-
         public static Vector3f VSub(Vector3f v1, Vector3f v2)
         {
             Vector3f dest = new Vector3f();
@@ -173,16 +164,6 @@ namespace DotRecast.Core
             return dest;
         }
         
-        public static Vector3f VSub(Vector3f v1, VectorPtr v2)
-        {
-            Vector3f dest = new Vector3f();
-            dest.x = v1.x - v2.Get(0);
-            dest.y = v1.y - v2.Get(1);
-            dest.z = v1.z - v2.Get(2);
-            return dest;
-        }
-
-        
         public static Vector3f VSub(Vector3f v1, float[] v2)
         {
             Vector3f dest = new Vector3f();
@@ -821,8 +802,9 @@ namespace DotRecast.Core
             var p0v = p0;
             for (int i = 0, j = nverts - 1; i < nverts; j = i++)
             {
-                VectorPtr vpj = new VectorPtr(verts, j * 3);
+                Vector3f vpj = Vector3f.Of(verts, j * 3);
-                var edge = VSub(new VectorPtr(verts, i * 3), vpj);
+                Vector3f vpi = Vector3f.Of(verts, i * 3);
+                var edge = VSub(vpi, vpj);
                 var diff = VSub(p0v, vpj);
                 float n = VPerp2D(edge, diff);
                 float d = VPerp2D(dir, edge);

src/DotRecast.Core/Vector3f.cs

@@ -31,7 +31,12 @@ namespace DotRecast.Core
 
         public static Vector3f Of(float[] f)
         {
-            return new Vector3f(f);
+            return Of(f, 0);
+        }
+
+        public static Vector3f Of(float[] f, int idx)
+        {
+            return Of(f[idx + 0], f[idx + 1], f[idx + 2]);
         }
 
         public static Vector3f Of(float x, float y, float z)

src/DotRecast.Core/VectorPtr.cs

@@ -1,48 +0,0 @@
-/*
-Copyright (c) 2009-2010 Mikko Mononen memon@inside.org
-recast4j copyright (c) 2015-2019 Piotr Piastucki piotr@jtilia.org
-DotRecast Copyright (c) 2023 Choi Ikpil ikpil@naver.com
-
-This software is provided 'as-is', without any express or implied
-warranty.  In no event will the authors be held liable for any damages
-arising from the use of this software.
-Permission is granted to anyone to use this software for any purpose,
-including commercial applications, and to alter it and redistribute it
-freely, subject to the following restrictions:
-1. The origin of this software must not be misrepresented; you must not
- claim that you wrote the original software. If you use this software
- in a product, an acknowledgment in the product documentation would be
- appreciated but is not required.
-2. Altered source versions must be plainly marked as such, and must not be
- misrepresented as being the original software.
-3. This notice may not be removed or altered from any source distribution.
-*/
-
-namespace DotRecast.Core
-{
-    /**
-     * Wrapper for 3-element pieces (3D vectors) of a bigger float array.
-     *
-     */
-    public class VectorPtr
-    {
-        private readonly float[] array;
-        private readonly int index;
-
-        public VectorPtr(float[] array) :
-            this(array, 0)
-        {
-        }
-
-        public VectorPtr(float[] array, int index)
-        {
-            this.array = array;
-            this.index = index;
-        }
-
-        public float Get(int offset)
-        {
-            return array[index + offset];
-        }
-    }
-}

src/DotRecast.Detour.Extras/Unity/Astar/OffMeshLinkCreator.cs

@@ -54,8 +54,7 @@ namespace DotRecast.Detour.Extras.Unity.Astar
                         connection.rad = 0.1f;
                         connection.side = startTile == endTile
                             ? 0xFF
-                            : NavMeshBuilder.ClassifyOffMeshPoint(new VectorPtr(connection.pos, 3),
+                            : NavMeshBuilder.ClassifyOffMeshPoint(Vector3f.Of(connection.pos, 3), startTile.header.bmin, startTile.header.bmax);
-                                startTile.header.bmin, startTile.header.bmax);
                         connection.userId = (int)l.linkID;
                         if (startTile.offMeshCons == null)
                         {

src/DotRecast.Detour/LegacyNavMeshQuery.cs

@@ -667,9 +667,10 @@ namespace DotRecast.Detour
             m_openList.Push(startNode);
 
             float radiusSqr = Sqr(maxRadius);
-            Vector3f hitPos = new Vector3f();
+            Vector3f hitPos = Vector3f.Zero;
-            VectorPtr bestvj = null;
+            Vector3f? bestvj = null;
-            VectorPtr bestvi = null;
+            Vector3f? bestvi = null;
+
             while (!m_openList.IsEmpty())
             {
                 Node bestNode = m_openList.Pop();
@@ -752,11 +753,11 @@ namespace DotRecast.Detour
                     // Calculate hit pos.
                     hitPos.x = bestTile.data.verts[vj] + (bestTile.data.verts[vi] - bestTile.data.verts[vj]) * tseg;
                     hitPos.y = bestTile.data.verts[vj + 1]
-                                + (bestTile.data.verts[vi + 1] - bestTile.data.verts[vj + 1]) * tseg;
+                               + (bestTile.data.verts[vi + 1] - bestTile.data.verts[vj + 1]) * tseg;
                     hitPos.z = bestTile.data.verts[vj + 2]
-                                + (bestTile.data.verts[vi + 2] - bestTile.data.verts[vj + 2]) * tseg;
+                               + (bestTile.data.verts[vi + 2] - bestTile.data.verts[vj + 2]) * tseg;
-                    bestvj = new VectorPtr(bestTile.data.verts, vj);
+                    bestvj = Vector3f.Of(bestTile.data.verts, vj);
-                    bestvi = new VectorPtr(bestTile.data.verts, vi);
+                    bestvi = Vector3f.Of(bestTile.data.verts, vi);
                 }
 
                 for (int i = bestTile.polyLinks[bestPoly.index]; i != NavMesh.DT_NULL_LINK; i = bestTile.links[i].next)
@@ -843,7 +844,7 @@ namespace DotRecast.Detour
             Vector3f hitNormal = new Vector3f();
             if (bestvi != null && bestvj != null)
             {
-                var tangent = VSub(bestvi, bestvj);
+                var tangent = VSub(bestvi.Value, bestvj.Value);
                 hitNormal.x = tangent.z;
                 hitNormal.y = 0;
                 hitNormal.z = -tangent.x;

src/DotRecast.Detour/NavMeshBuilder.cs

@@ -223,13 +223,13 @@ namespace DotRecast.Detour
         const int XM = 1 << 2;
         const int ZM = 1 << 3;
 
-        public static int ClassifyOffMeshPoint(VectorPtr pt, Vector3f bmin, Vector3f bmax)
+        public static int ClassifyOffMeshPoint(Vector3f pt, Vector3f bmin, Vector3f bmax)
         {
             int outcode = 0;
-            outcode |= (pt.Get(0) >= bmax.x) ? XP : 0;
+            outcode |= (pt.x >= bmax.x) ? XP : 0;
-            outcode |= (pt.Get(2) >= bmax.z) ? ZP : 0;
+            outcode |= (pt.z >= bmax.z) ? ZP : 0;
-            outcode |= (pt.Get(0) < bmin.x) ? XM : 0;
+            outcode |= (pt.x < bmin.x) ? XM : 0;
-            outcode |= (pt.Get(2) < bmin.z) ? ZM : 0;
+            outcode |= (pt.z < bmin.z) ? ZM : 0;
 
             switch (outcode)
             {
@@ -319,8 +319,8 @@ namespace DotRecast.Detour
 
                 for (int i = 0; i < option.offMeshConCount; ++i)
                 {
-                    VectorPtr p0 = new VectorPtr(option.offMeshConVerts, (i * 2 + 0) * 3);
+                    var p0 = Vector3f.Of(option.offMeshConVerts, (i * 2 + 0) * 3);
-                    VectorPtr p1 = new VectorPtr(option.offMeshConVerts, (i * 2 + 1) * 3);
+                    var p1 = Vector3f.Of(option.offMeshConVerts, (i * 2 + 1) * 3);
 
                     offMeshConClass[i * 2 + 0] = ClassifyOffMeshPoint(p0, bmin, bmax);
                     offMeshConClass[i * 2 + 1] = ClassifyOffMeshPoint(p1, bmin, bmax);
@@ -329,7 +329,7 @@ namespace DotRecast.Detour
                     // potentially touching the mesh.
                     if (offMeshConClass[i * 2 + 0] == 0xff)
                     {
-                        if (p0.Get(1) < bmin.y || p0.Get(1) > bmax.y)
+                        if (p0.y < bmin.y || p0.y > bmax.y)
                             offMeshConClass[i * 2 + 0] = 0;
                     }
 

src/DotRecast.Detour/NavMeshQuery.cs

@@ -2375,12 +2375,12 @@ namespace DotRecast.Detour
                     // and correct the height (since the raycast moves in 2d)
                     lastPos = curPos;
                     curPos = VMad(startPos, dir, hit.t);
-                    VectorPtr e1 = new VectorPtr(verts, iresult.segMax * 3);
+                    var e1 = Vector3f.Of(verts, iresult.segMax * 3);
-                    VectorPtr e2 = new VectorPtr(verts, ((iresult.segMax + 1) % nv) * 3);
+                    var e2 = Vector3f.Of(verts, ((iresult.segMax + 1) % nv) * 3);
-                    Vector3f eDir = VSub(e2, e1);
+                    var eDir = VSub(e2, e1);
-                    Vector3f diff = VSub(curPos, e1);
+                    var diff = VSub(curPos, e1);
                     float s = Sqr(eDir.x) > Sqr(eDir.z) ? diff.x / eDir.x : diff.z / eDir.z;
-                    curPos.y = e1.Get(1) + eDir.y * s;
+                    curPos.y = e1.y + eDir.y * s;
 
                     hit.pathCost += filter.GetCost(lastPos, curPos, prevRef, prevTile, prevPoly, curRef, tile, poly,
                         nextRef, nextTile, nextPoly);
@@ -3193,8 +3193,8 @@ namespace DotRecast.Detour
 
             float radiusSqr = Sqr(maxRadius);
             Vector3f hitPos = new Vector3f();
-            VectorPtr bestvj = null;
+            Vector3f? bestvj = null;
-            VectorPtr bestvi = null;
+            Vector3f? bestvi = null;
             while (!m_openList.IsEmpty())
             {
                 Node bestNode = m_openList.Pop();
@@ -3280,8 +3280,8 @@ namespace DotRecast.Detour
                                + (bestTile.data.verts[vi + 1] - bestTile.data.verts[vj + 1]) * tseg;
                     hitPos.z = bestTile.data.verts[vj + 2]
                                + (bestTile.data.verts[vi + 2] - bestTile.data.verts[vj + 2]) * tseg;
-                    bestvj = new VectorPtr(bestTile.data.verts, vj);
+                    bestvj = Vector3f.Of(bestTile.data.verts, vj);
-                    bestvi = new VectorPtr(bestTile.data.verts, vi);
+                    bestvi = Vector3f.Of(bestTile.data.verts, vi);
                 }
 
                 for (int i = bestTile.polyLinks[bestPoly.index]; i != NavMesh.DT_NULL_LINK; i = bestTile.links[i].next)
@@ -3368,7 +3368,7 @@ namespace DotRecast.Detour
             Vector3f hitNormal = new Vector3f();
             if (bestvi != null && bestvj != null)
             {
-                var tangent = VSub(bestvi, bestvj);
+                var tangent = VSub(bestvi.Value, bestvj.Value);
                 hitNormal.x = tangent.z;
                 hitNormal.y = 0;
                 hitNormal.z = -tangent.x;