Snap to ground and grid options

CodeWalker.Core/Utils/Vectors.cs

@@ -16,6 +16,11 @@ namespace CodeWalker
         }
 
 
+        public static Vector3 Round(this Vector3 v)
+        {
+            return new Vector3((float)Math.Round(v.X), (float)Math.Round(v.Y), (float)Math.Round(v.Z));
+        }
+
         public static Vector4 Floor(this Vector4 v)
         {
             return new Vector4((float)Math.Floor(v.X), (float)Math.Floor(v.Y), (float)Math.Floor(v.Z), (float)Math.Floor(v.W));

Project/UndoStep.cs

@@ -47,7 +47,7 @@ namespace CodeWalker.Project
             for (int i = 0; i < Items.Length; i++)
             {
                 var refpos = Items[i].WidgetPosition;
-                Items[i].SetPosition(refpos + dp, refpos, false);
+                Items[i].SetPosition(refpos + dp, false);
             }
             sel.MultipleSelectionCenter = p; //center used for widget pos...
 

Utils/MapUtils.cs

@@ -640,7 +640,7 @@ namespace CodeWalker
 
 
 
-        public void SetPosition(Vector3 newpos, Vector3 oldpos, bool editPivot)
+        public void SetPosition(Vector3 newpos, bool editPivot)
         {
             if (MultipleSelection)
             {

World/Widget.cs

@@ -263,8 +263,8 @@ namespace CodeWalker.World
         public Vector3 DraggedAxisSideDir { get; set; }
         public Vector3 DragStartPosition { get; set; }
         public bool IsDragging { get; set; }
-        private bool WasDragging = false;
+        public bool WasDragging = false;
-        private Vector3 DragStartVec; //projected onto the plane/axis being dragged
+        public Vector3 DragStartVec; //projected onto the plane/axis being dragged
 
         public float Size { get; set; } = 90.0f;
 

WorldForm.Designer.cs

@@ -278,6 +278,12 @@ namespace CodeWalker
             this.ToolbarCameraMapViewButton = new System.Windows.Forms.ToolStripMenuItem();
             this.ToolbarCameraOrthographicButton = new System.Windows.Forms.ToolStripMenuItem();
             this.ToolbarPanel = new System.Windows.Forms.Panel();
+            this.ToolbarSnapButton = new CodeWalker.WinForms.ToolStripSplitButtonFix();
+            this.ToolbarSnapToGroundButton = new System.Windows.Forms.ToolStripMenuItem();
+            this.ToolbarSnapToGridButton = new System.Windows.Forms.ToolStripMenuItem();
+            this.ToolbarSnapToGroundGridButton = new System.Windows.Forms.ToolStripMenuItem();
+            this.label26 = new System.Windows.Forms.Label();
+            this.SnapGridSizeUpDown = new System.Windows.Forms.NumericUpDown();
             this.StatusStrip.SuspendLayout();
             this.ToolsPanel.SuspendLayout();
             this.ToolsTabControl.SuspendLayout();
@@ -318,6 +324,7 @@ namespace CodeWalker
             this.ToolsMenu.SuspendLayout();
             this.Toolbar.SuspendLayout();
             this.ToolbarPanel.SuspendLayout();
+            ((System.ComponentModel.ISupportInitialize)(this.SnapGridSizeUpDown)).BeginInit();
             this.SuspendLayout();
             // 
             // StatusStrip
@@ -1747,6 +1754,8 @@ namespace CodeWalker
             // 
             // tabPage9
             // 
+            this.tabPage9.Controls.Add(this.SnapGridSizeUpDown);
+            this.tabPage9.Controls.Add(this.label26);
             this.tabPage9.Controls.Add(this.SkeletonsCheckBox);
             this.tabPage9.Controls.Add(this.AudioOuterBoundsCheckBox);
             this.tabPage9.Controls.Add(this.PopZonesCheckBox);
@@ -1782,7 +1791,7 @@ namespace CodeWalker
             this.SkeletonsCheckBox.Location = new System.Drawing.Point(10, 411);
             this.SkeletonsCheckBox.Name = "SkeletonsCheckBox";
             this.SkeletonsCheckBox.Size = new System.Drawing.Size(101, 17);
-            this.SkeletonsCheckBox.TabIndex = 53;
+            this.SkeletonsCheckBox.TabIndex = 55;
             this.SkeletonsCheckBox.Text = "Show skeletons";
             this.SkeletonsCheckBox.UseVisualStyleBackColor = true;
             this.SkeletonsCheckBox.CheckedChanged += new System.EventHandler(this.SkeletonsCheckBox_CheckedChanged);
@@ -1795,7 +1804,7 @@ namespace CodeWalker
             this.AudioOuterBoundsCheckBox.Location = new System.Drawing.Point(10, 457);
             this.AudioOuterBoundsCheckBox.Name = "AudioOuterBoundsCheckBox";
             this.AudioOuterBoundsCheckBox.Size = new System.Drawing.Size(147, 17);
-            this.AudioOuterBoundsCheckBox.TabIndex = 55;
+            this.AudioOuterBoundsCheckBox.TabIndex = 57;
             this.AudioOuterBoundsCheckBox.Text = "Show audio outer bounds";
             this.AudioOuterBoundsCheckBox.UseVisualStyleBackColor = true;
             this.AudioOuterBoundsCheckBox.CheckedChanged += new System.EventHandler(this.AudioOuterBoundsCheckBox_CheckedChanged);
@@ -1806,7 +1815,7 @@ namespace CodeWalker
             this.PopZonesCheckBox.Location = new System.Drawing.Point(10, 388);
             this.PopZonesCheckBox.Name = "PopZonesCheckBox";
             this.PopZonesCheckBox.Size = new System.Drawing.Size(136, 17);
-            this.PopZonesCheckBox.TabIndex = 52;
+            this.PopZonesCheckBox.TabIndex = 54;
             this.PopZonesCheckBox.Text = "Show population zones";
             this.PopZonesCheckBox.UseVisualStyleBackColor = true;
             this.PopZonesCheckBox.CheckedChanged += new System.EventHandler(this.PopZonesCheckBox_CheckedChanged);
@@ -1817,7 +1826,7 @@ namespace CodeWalker
             this.NavMeshesCheckBox.Location = new System.Drawing.Point(10, 365);
             this.NavMeshesCheckBox.Name = "NavMeshesCheckBox";
             this.NavMeshesCheckBox.Size = new System.Drawing.Size(113, 17);
-            this.NavMeshesCheckBox.TabIndex = 51;
+            this.NavMeshesCheckBox.TabIndex = 53;
             this.NavMeshesCheckBox.Text = "Show nav meshes";
             this.NavMeshesCheckBox.UseVisualStyleBackColor = true;
             this.NavMeshesCheckBox.CheckedChanged += new System.EventHandler(this.NavMeshesCheckBox_CheckedChanged);
@@ -1828,7 +1837,7 @@ namespace CodeWalker
             this.TrainPathsCheckBox.Location = new System.Drawing.Point(10, 342);
             this.TrainPathsCheckBox.Name = "TrainPathsCheckBox";
             this.TrainPathsCheckBox.Size = new System.Drawing.Size(105, 17);
-            this.TrainPathsCheckBox.TabIndex = 50;
+            this.TrainPathsCheckBox.TabIndex = 52;
             this.TrainPathsCheckBox.Text = "Show train paths";
             this.TrainPathsCheckBox.UseVisualStyleBackColor = true;
             this.TrainPathsCheckBox.CheckedChanged += new System.EventHandler(this.TrainPathsCheckBox_CheckedChanged);
@@ -1839,7 +1848,7 @@ namespace CodeWalker
             this.PathsDepthClipCheckBox.Location = new System.Drawing.Point(10, 434);
             this.PathsDepthClipCheckBox.Name = "PathsDepthClipCheckBox";
             this.PathsDepthClipCheckBox.Size = new System.Drawing.Size(102, 17);
-            this.PathsDepthClipCheckBox.TabIndex = 54;
+            this.PathsDepthClipCheckBox.TabIndex = 56;
             this.PathsDepthClipCheckBox.Text = "Paths depth clip";
             this.PathsDepthClipCheckBox.UseVisualStyleBackColor = true;
             this.PathsDepthClipCheckBox.CheckedChanged += new System.EventHandler(this.PathsDepthClipCheckBox_CheckedChanged);
@@ -1852,7 +1861,7 @@ namespace CodeWalker
             this.PathBoundsCheckBox.Location = new System.Drawing.Point(98, 319);
             this.PathBoundsCheckBox.Name = "PathBoundsCheckBox";
             this.PathBoundsCheckBox.Size = new System.Drawing.Size(86, 17);
-            this.PathBoundsCheckBox.TabIndex = 49;
+            this.PathBoundsCheckBox.TabIndex = 51;
             this.PathBoundsCheckBox.Text = "Path bounds";
             this.PathBoundsCheckBox.UseVisualStyleBackColor = true;
             this.PathBoundsCheckBox.CheckedChanged += new System.EventHandler(this.PathBoundsCheckBox_CheckedChanged);
@@ -1949,7 +1958,7 @@ namespace CodeWalker
             this.PathsCheckBox.Location = new System.Drawing.Point(10, 319);
             this.PathsCheckBox.Name = "PathsCheckBox";
             this.PathsCheckBox.Size = new System.Drawing.Size(82, 17);
-            this.PathsCheckBox.TabIndex = 48;
+            this.PathsCheckBox.TabIndex = 50;
             this.PathsCheckBox.Text = "Show paths";
             this.PathsCheckBox.UseVisualStyleBackColor = true;
             this.PathsCheckBox.CheckedChanged += new System.EventHandler(this.PathsCheckBox_CheckedChanged);
@@ -2615,6 +2624,7 @@ namespace CodeWalker
             this.ToolbarRotateButton,
             this.ToolbarScaleButton,
             this.ToolbarTransformSpaceButton,
+            this.ToolbarSnapButton,
             this.toolStripSeparator2,
             this.ToolbarUndoButton,
             this.ToolbarRedoButton,
@@ -2631,7 +2641,7 @@ namespace CodeWalker
             this.ToolbarCameraModeButton});
             this.Toolbar.Location = new System.Drawing.Point(1, 0);
             this.Toolbar.Name = "Toolbar";
-            this.Toolbar.Size = new System.Drawing.Size(522, 25);
+            this.Toolbar.Size = new System.Drawing.Size(554, 25);
             this.Toolbar.TabIndex = 6;
             this.Toolbar.Text = "toolStrip1";
             // 
@@ -2793,7 +2803,7 @@ namespace CodeWalker
             this.ToolbarSelectButton.ImageTransparentColor = System.Drawing.Color.Magenta;
             this.ToolbarSelectButton.Name = "ToolbarSelectButton";
             this.ToolbarSelectButton.Size = new System.Drawing.Size(32, 22);
-            this.ToolbarSelectButton.Text = "toolStripSplitButton1";
+            this.ToolbarSelectButton.Text = "Select objects / Exit edit mode";
             this.ToolbarSelectButton.ToolTipText = "Select objects / Exit edit mode (C, Q)";
             this.ToolbarSelectButton.ButtonClick += new System.EventHandler(this.ToolbarSelectButton_ButtonClick);
             // 
@@ -2961,7 +2971,7 @@ namespace CodeWalker
             this.ToolbarObjectSpaceButton.CheckState = System.Windows.Forms.CheckState.Checked;
             this.ToolbarObjectSpaceButton.Image = ((System.Drawing.Image)(resources.GetObject("ToolbarObjectSpaceButton.Image")));
             this.ToolbarObjectSpaceButton.Name = "ToolbarObjectSpaceButton";
-            this.ToolbarObjectSpaceButton.Size = new System.Drawing.Size(142, 22);
+            this.ToolbarObjectSpaceButton.Size = new System.Drawing.Size(152, 22);
             this.ToolbarObjectSpaceButton.Text = "Object space";
             this.ToolbarObjectSpaceButton.Click += new System.EventHandler(this.ToolbarObjectSpaceButton_Click);
             // 
@@ -2969,7 +2979,7 @@ namespace CodeWalker
             // 
             this.ToolbarWorldSpaceButton.Image = ((System.Drawing.Image)(resources.GetObject("ToolbarWorldSpaceButton.Image")));
             this.ToolbarWorldSpaceButton.Name = "ToolbarWorldSpaceButton";
-            this.ToolbarWorldSpaceButton.Size = new System.Drawing.Size(142, 22);
+            this.ToolbarWorldSpaceButton.Size = new System.Drawing.Size(152, 22);
             this.ToolbarWorldSpaceButton.Text = "World space";
             this.ToolbarWorldSpaceButton.Click += new System.EventHandler(this.ToolbarWorldSpaceButton_Click);
             // 
@@ -3152,10 +3162,82 @@ namespace CodeWalker
             this.ToolbarPanel.Controls.Add(this.Toolbar);
             this.ToolbarPanel.Location = new System.Drawing.Point(12, 12);
             this.ToolbarPanel.Name = "ToolbarPanel";
-            this.ToolbarPanel.Size = new System.Drawing.Size(525, 26);
+            this.ToolbarPanel.Size = new System.Drawing.Size(557, 26);
             this.ToolbarPanel.TabIndex = 7;
             this.ToolbarPanel.Visible = false;
             // 
+            // ToolbarSnapButton
+            // 
+            this.ToolbarSnapButton.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Image;
+            this.ToolbarSnapButton.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
+            this.ToolbarSnapToGroundButton,
+            this.ToolbarSnapToGridButton,
+            this.ToolbarSnapToGroundGridButton});
+            this.ToolbarSnapButton.Image = ((System.Drawing.Image)(resources.GetObject("ToolbarSnapButton.Image")));
+            this.ToolbarSnapButton.ImageTransparentColor = System.Drawing.Color.Magenta;
+            this.ToolbarSnapButton.Name = "ToolbarSnapButton";
+            this.ToolbarSnapButton.Size = new System.Drawing.Size(32, 22);
+            this.ToolbarSnapButton.Text = "Snap to Ground";
+            this.ToolbarSnapButton.ToolTipText = "Snap to Ground";
+            this.ToolbarSnapButton.ButtonClick += new System.EventHandler(this.ToolbarSnapButton_ButtonClick);
+            // 
+            // ToolbarSnapToGroundButton
+            // 
+            this.ToolbarSnapToGroundButton.Image = ((System.Drawing.Image)(resources.GetObject("ToolbarSnapToGroundButton.Image")));
+            this.ToolbarSnapToGroundButton.Name = "ToolbarSnapToGroundButton";
+            this.ToolbarSnapToGroundButton.Size = new System.Drawing.Size(205, 22);
+            this.ToolbarSnapToGroundButton.Text = "Snap to Ground";
+            this.ToolbarSnapToGroundButton.Click += new System.EventHandler(this.ToolbarSnapToGroundButton_Click);
+            // 
+            // ToolbarSnapToGridButton
+            // 
+            this.ToolbarSnapToGridButton.Image = ((System.Drawing.Image)(resources.GetObject("ToolbarSnapToGridButton.Image")));
+            this.ToolbarSnapToGridButton.Name = "ToolbarSnapToGridButton";
+            this.ToolbarSnapToGridButton.Size = new System.Drawing.Size(205, 22);
+            this.ToolbarSnapToGridButton.Text = "Snap to Grid";
+            this.ToolbarSnapToGridButton.Click += new System.EventHandler(this.ToolbarSnapToGridButton_Click);
+            // 
+            // ToolbarSnapToGroundGridButton
+            // 
+            this.ToolbarSnapToGroundGridButton.Image = ((System.Drawing.Image)(resources.GetObject("ToolbarSnapToGroundGridButton.Image")));
+            this.ToolbarSnapToGroundGridButton.Name = "ToolbarSnapToGroundGridButton";
+            this.ToolbarSnapToGroundGridButton.Size = new System.Drawing.Size(205, 22);
+            this.ToolbarSnapToGroundGridButton.Text = "Snap to Grid and Ground";
+            this.ToolbarSnapToGroundGridButton.Click += new System.EventHandler(this.ToolbarSnapToGroundGridButton_Click);
+            // 
+            // label26
+            // 
+            this.label26.AutoSize = true;
+            this.label26.Location = new System.Drawing.Point(4, 293);
+            this.label26.Name = "label26";
+            this.label26.Size = new System.Drawing.Size(76, 13);
+            this.label26.TabIndex = 48;
+            this.label26.Text = "Snap grid size:";
+            // 
+            // SnapGridSizeUpDown
+            // 
+            this.SnapGridSizeUpDown.DecimalPlaces = 2;
+            this.SnapGridSizeUpDown.Location = new System.Drawing.Point(86, 291);
+            this.SnapGridSizeUpDown.Maximum = new decimal(new int[] {
+            1000,
+            0,
+            0,
+            0});
+            this.SnapGridSizeUpDown.Minimum = new decimal(new int[] {
+            1,
+            0,
+            0,
+            131072});
+            this.SnapGridSizeUpDown.Name = "SnapGridSizeUpDown";
+            this.SnapGridSizeUpDown.Size = new System.Drawing.Size(108, 20);
+            this.SnapGridSizeUpDown.TabIndex = 49;
+            this.SnapGridSizeUpDown.Value = new decimal(new int[] {
+            100,
+            0,
+            0,
+            131072});
+            this.SnapGridSizeUpDown.ValueChanged += new System.EventHandler(this.SnapGridSizeUpDown_ValueChanged);
+            // 
             // WorldForm
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
@@ -3236,6 +3318,7 @@ namespace CodeWalker
             this.Toolbar.PerformLayout();
             this.ToolbarPanel.ResumeLayout(false);
             this.ToolbarPanel.PerformLayout();
+            ((System.ComponentModel.ISupportInitialize)(this.SnapGridSizeUpDown)).EndInit();
             this.ResumeLayout(false);
             this.PerformLayout();
 
@@ -3489,5 +3572,11 @@ namespace CodeWalker
         private System.Windows.Forms.ToolStripMenuItem ToolbarSelectAudioButton;
         private System.Windows.Forms.CheckBox AudioOuterBoundsCheckBox;
         private System.Windows.Forms.CheckBox SkeletonsCheckBox;
+        private ToolStripSplitButtonFix ToolbarSnapButton;
+        private System.Windows.Forms.ToolStripMenuItem ToolbarSnapToGroundButton;
+        private System.Windows.Forms.ToolStripMenuItem ToolbarSnapToGridButton;
+        private System.Windows.Forms.ToolStripMenuItem ToolbarSnapToGroundGridButton;
+        private System.Windows.Forms.NumericUpDown SnapGridSizeUpDown;
+        private System.Windows.Forms.Label label26;
     }
 }

WorldForm.cs

@@ -171,6 +171,10 @@ namespace CodeWalker
         Quaternion UndoStartRotation;
         Vector3 UndoStartScale;
 
+        WorldSnapMode SnapMode = WorldSnapMode.None;
+        WorldSnapMode SnapModePrev = WorldSnapMode.Ground;//also the default snap mode
+        float SnapGridSize = 1.0f;
+
         YmapEntityDef CopiedEntity = null;
         YmapCarGen CopiedCarGen = null;
         YndNode CopiedPathNode = null;
@@ -1461,9 +1465,52 @@ namespace CodeWalker
             Widget.Update(camera);
         }
 
+
+
+        private Vector3 GetGroundPoint(Vector3 p)
+        {
+            float uplimit = 3.0f;
+            float downlimit = 20.0f;
+            Ray ray = new Ray(p, new Vector3(0, 0, -1.0f));
+            ray.Position.Z += 0.1f;
+            SpaceRayIntersectResult hit = space.RayIntersect(ray, downlimit);
+            if (hit.Hit)
+            {
+                return hit.Position;
+            }
+            ray.Position.Z += uplimit;
+            hit = space.RayIntersect(ray, downlimit);
+            if (hit.Hit)
+            {
+                return hit.Position;
+            }
+            return p;
+        }
+        private Vector3 SnapPosition(Vector3 p)
+        {
+            Vector3 gpos = (p / SnapGridSize).Round() * SnapGridSize;
+            switch (SnapMode)
+            {
+                case WorldSnapMode.Grid:
+                    p = gpos;
+                    break;
+                case WorldSnapMode.Ground:
+                    p = GetGroundPoint(p);
+                    break;
+                case WorldSnapMode.Hybrid:
+                    p = GetGroundPoint(gpos);
+                    break;
+            }
+            return p;
+        }
+
+
         private void Widget_OnPositionChange(Vector3 newpos, Vector3 oldpos)
         {
             //called during UpdateWidgets()
+
+            newpos = SnapPosition(newpos);
+
             if (newpos == oldpos) return;
 
             if (SelectedItem.MultipleSelection)
@@ -1473,18 +1520,19 @@ namespace CodeWalker
                 }
                 else
                 {
-                    var dpos = newpos - oldpos;
+                    var dpos = newpos - SelectedItem.MultipleSelectionCenter;// oldpos;
+                    if (dpos == Vector3.Zero) return; //nothing moved.. (probably due to snap)
                     for (int i = 0; i < SelectedItems.Count; i++)
                     {
                         var refpos = SelectedItems[i].WidgetPosition;
-                        SelectedItems[i].SetPosition(refpos + dpos, refpos, false);
+                        SelectedItems[i].SetPosition(refpos + dpos, false);
                     }
                     SelectedItem.MultipleSelectionCenter = newpos;
                 }
             }
             else
             {
-                SelectedItem.SetPosition(newpos, oldpos, EditEntityPivot);                
+                SelectedItem.SetPosition(newpos, EditEntityPivot);                
             }
             if (ProjectForm != null)
             {
@@ -5317,6 +5365,49 @@ namespace CodeWalker
         }
 
 
+        private void SetSnapMode(WorldSnapMode mode)
+        {
+            foreach (var child in ToolbarSnapButton.DropDownItems)
+            {
+                var childi = child as ToolStripMenuItem;
+                if (childi != null)
+                {
+                    childi.Checked = false;
+                }
+            }
+
+            ToolbarSnapButton.Checked = (mode != WorldSnapMode.None);
+
+            ToolStripMenuItem selItem = null;
+
+            switch (mode)
+            {
+                case WorldSnapMode.Ground:
+                    selItem = ToolbarSnapToGroundButton;
+                    break;
+                case WorldSnapMode.Grid:
+                    selItem = ToolbarSnapToGridButton;
+                    break;
+                case WorldSnapMode.Hybrid:
+                    selItem = ToolbarSnapToGroundGridButton;
+                    break;
+            }
+
+            if (selItem != null)
+            {
+                selItem.Checked = true;
+                ToolbarSnapButton.Image = selItem.Image;
+                ToolbarSnapButton.Text = selItem.Text;
+                ToolbarSnapButton.ToolTipText = selItem.ToolTipText;
+            }
+
+            if (mode != WorldSnapMode.None)
+            {
+                SnapModePrev = mode;
+            }
+            SnapMode = mode;
+        }
+
 
         private void SetCameraMode(string modestr)
         {
@@ -5508,6 +5599,7 @@ namespace CodeWalker
                 {
                     MarkUndoEnd(GrabbedWidget);
                     GrabbedWidget.IsDragging = false;
+                    GrabbedWidget.Position = SelectedItem.WidgetPosition;//in case of any snapping, make sure widget is in correct position at the end
                     GrabbedWidget = null;
                 }
                 if ((e.Location == MouseDownPoint) && (MousedMarker == null))
@@ -6867,6 +6959,33 @@ namespace CodeWalker
             SetWidgetSpace("World space");
         }
 
+        private void ToolbarSnapButton_ButtonClick(object sender, EventArgs e)
+        {
+            if (SnapMode == WorldSnapMode.None)
+            {
+                SetSnapMode(SnapModePrev);
+            }
+            else
+            {
+                SetSnapMode(WorldSnapMode.None);
+            }
+        }
+
+        private void ToolbarSnapToGroundButton_Click(object sender, EventArgs e)
+        {
+            SetSnapMode(WorldSnapMode.Ground);
+        }
+
+        private void ToolbarSnapToGridButton_Click(object sender, EventArgs e)
+        {
+            SetSnapMode(WorldSnapMode.Grid);
+        }
+
+        private void ToolbarSnapToGroundGridButton_Click(object sender, EventArgs e)
+        {
+            SetSnapMode(WorldSnapMode.Hybrid);
+        }
+
         private void ToolbarUndoButton_ButtonClick(object sender, EventArgs e)
         {
             Undo();
@@ -7040,6 +7159,11 @@ namespace CodeWalker
         {
             e.Handled = true;
         }
+
+        private void SnapGridSizeUpDown_ValueChanged(object sender, EventArgs e)
+        {
+            SnapGridSize = (float)SnapGridSizeUpDown.Value;
+        }
     }
 
 
@@ -7053,6 +7177,12 @@ namespace CodeWalker
         Jetpack = 10,
     }
 
-
+    public enum WorldSnapMode
+    {
+        None = 0,
+        Grid = 1,
+        Ground = 2,
+        Hybrid = 3,
+    }
 
 }

WorldForm.resx

@@ -398,6 +398,43 @@ ufo
         rp3fhGJScIRLzKMLFTC9cMIu3nCDVUyjB6WkYA93mEWbAyH9cMImPuA+rWMA31YwBU82kF6BS32Er/aO
         M8zAh+OEghpcwQ2bg3uwBW8ewFd7xQkm0IA4oaAS7bh2KHjBIZbhV/D6GJkFphrdcIP8lFrAGPwPOjCO
         QdQiTqrAWNICd7gPnUj+xBKaU9dxfhTkjwV/FxU+AbsiGnc46OYIAAAAAElFTkSuQmCC
+</value>
+  </data>
+  <data name="ToolbarSnapButton.Image" type="System.Drawing.Bitmap, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+    <value>
+        iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8
+        YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACtSURBVDhPrZBBEsIgEAR5Gy/wFV55T/wHr+KgHuCKNsVY
+        ZI2JiU7VVIVlp7OL+1mllIr7cb8Ie++PQwQYITnnM24NWxoBgsQYm/l+gk699bMsRA4h1JTSPsg0Xert
+        em/mGwh3vW1Z7MvIABSWqXG3+iZHAEw1m4wD49oVANgVOL/VeSgeDAiX1mpWeKy9BIQiI+OxWQF77tG5
+        2Fc729BmeElf/3lNhORe+oecewDObEqX49RqCgAAAABJRU5ErkJggg==
+</value>
+  </data>
+  <data name="ToolbarSnapToGroundButton.Image" type="System.Drawing.Bitmap, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+    <value>
+        iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8
+        YQUAAAAZdEVYdFNvZnR3YXJlAEFkb2JlIEltYWdlUmVhZHlxyWU8AAAAzElEQVQ4T62SwQ3DIAxFMxsT
+        dIpcmSfdg6lyaHuAq8t3/BFxEVKbWnoVcfxfIM0iIpdYSiliDAfAtBAOIUwl06Kgl1RW4zsBJSklBeuc
+        881Gx4WneAmJMcq+7yrxxyIUNMm23eX5eClYQ4J7Pkj0pw6s2DIEDBP07DjtnfxFUNe6M15oA9v1R4DA
+        hnWOYfabAC8KLwwS3PRgGHMMs2f/xVGQoIkt27Y/JP7aokd159MPqQ6dntiDfsWSVp3AMwyDU00EgMEW
+        Bi30G7K8AZnoeUPBv6fIAAAAAElFTkSuQmCC
+</value>
+  </data>
+  <data name="ToolbarSnapToGridButton.Image" type="System.Drawing.Bitmap, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
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