Draw Grid Mode: number of slices less than 3 will now be remembered correctly

Draw Grid Mode: added option to to draw the slices relative to the origin of the drawing (so that you don't have to change the slice interpolation all the time)

Source/Plugins/BuilderModes/ClassicModes/DrawGridMode.cs

@@ -45,6 +45,7 @@ namespace CodeImp.DoomBuilder.BuilderModes
 		private int horizontalslices;
 		private int verticalslices;
 		private bool triangulate;
+		private bool relativeinterpolation;
 		private GridLockMode gridlockmode;
 		private InterpolationTools.Mode horizontalinterpolation;
 		private InterpolationTools.Mode verticalinterpolation;
@@ -472,6 +473,17 @@ namespace CodeImp.DoomBuilder.BuilderModes
 		{
 			if(!p1.pos.IsFinite() || !p2.pos.IsFinite()) return;
 
+			// If relative interpolation is enabled the interpolation will use the point where the drawing
+			// started as the origin, not always the top left corner
+			if (relativeinterpolation)
+			{
+				start.x = p1.pos.x;
+				start.y = p1.pos.y;
+				end.x = p2.pos.x;
+				end.y = p2.pos.y;
+			}
+			else
+			{
 				if (p1.pos.x < p2.pos.x)
 				{
 					start.x = p1.pos.x;
@@ -493,6 +505,8 @@ namespace CodeImp.DoomBuilder.BuilderModes
 					start.y = p2.pos.y;
 					end.y = p1.pos.y;
 				}
+			}
+
 
 			width = (int)(end.x - start.x);
 			height = (int)(end.y - start.y);
@@ -507,8 +521,9 @@ namespace CodeImp.DoomBuilder.BuilderModes
 			// Load stored settings
 			triangulate = General.Settings.ReadPluginSetting("drawgridmode.triangulate", false);
 			gridlockmode = (GridLockMode)General.Settings.ReadPluginSetting("drawgridmode.gridlockmode", 0);
-			horizontalslices = Math.Max(General.Settings.ReadPluginSetting("drawgridmode.horizontalslices", 3), 3);
+			horizontalslices = Math.Max(General.Settings.ReadPluginSetting("drawgridmode.horizontalslices", 3), 1);
-			verticalslices = Math.Max(General.Settings.ReadPluginSetting("drawgridmode.verticalslices", 3), 3);
+			verticalslices = Math.Max(General.Settings.ReadPluginSetting("drawgridmode.verticalslices", 3), 1);
+			relativeinterpolation = General.Settings.ReadPluginSetting("drawgridmode.relativeinterpolation", true);
 			horizontalinterpolation = (InterpolationTools.Mode)General.Settings.ReadPluginSetting("drawgridmode.horizontalinterpolation", 0);
 			verticalinterpolation = (InterpolationTools.Mode)General.Settings.ReadPluginSetting("drawgridmode.verticalinterpolation", 0);
 			
@@ -527,10 +542,12 @@ namespace CodeImp.DoomBuilder.BuilderModes
 			panel.OnGridLockModeChanged += OptionsPanelOnGridLockChanged;
 			panel.OnContinuousDrawingChanged += OnContinuousDrawingChanged;
 			panel.OnShowGuidelinesChanged += OnShowGuidelinesChanged;
+			panel.OnRelativeInterpolationChanged += OnRelativeInterpolationChanged;
 
 			// Needs to be set after adding the OnContinuousDrawingChanged event...
 			panel.ContinuousDrawing = General.Settings.ReadPluginSetting("drawgridmode.continuousdrawing", false);
 			panel.ShowGuidelines = General.Settings.ReadPluginSetting("drawgridmode.showguidelines", false);
+			panel.RelativeInterpolation = relativeinterpolation;
 		}
 
 		protected override void AddInterface()
@@ -548,6 +565,7 @@ namespace CodeImp.DoomBuilder.BuilderModes
 			General.Settings.WritePluginSetting("drawgridmode.gridlockmode", (int)gridlockmode);
 			General.Settings.WritePluginSetting("drawgridmode.horizontalslices", horizontalslices);
 			General.Settings.WritePluginSetting("drawgridmode.verticalslices", verticalslices);
+			General.Settings.WritePluginSetting("drawgridmode.relativeinterpolation", relativeinterpolation);
 			General.Settings.WritePluginSetting("drawgridmode.horizontalinterpolation", (int)horizontalinterpolation);
 			General.Settings.WritePluginSetting("drawgridmode.verticalinterpolation", (int)verticalinterpolation);
 			General.Settings.WritePluginSetting("drawgridmode.continuousdrawing", panel.ContinuousDrawing);
@@ -559,6 +577,12 @@ namespace CodeImp.DoomBuilder.BuilderModes
 			panel = null;
 		}
 
+		protected void OnRelativeInterpolationChanged(object value, EventArgs e)
+		{
+			relativeinterpolation = (bool)value;
+			Update();
+		}
+
 		#endregion
 
 		#region ================== Actions

Source/Plugins/BuilderModes/Interface/DrawGridOptionsPanel.Designer.cs

@@ -43,6 +43,7 @@
 			this.label3 = new System.Windows.Forms.Label();
 			this.label4 = new System.Windows.Forms.Label();
 			this.groupBox3 = new System.Windows.Forms.GroupBox();
+			this.relativeinterpolation = new System.Windows.Forms.CheckBox();
 			this.showguidelines = new System.Windows.Forms.CheckBox();
 			this.continuousdrawing = new System.Windows.Forms.CheckBox();
 			this.groupBox1.SuspendLayout();
@@ -215,15 +216,27 @@
 			// 
 			this.groupBox3.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
             | System.Windows.Forms.AnchorStyles.Right)));
+			this.groupBox3.Controls.Add(this.relativeinterpolation);
 			this.groupBox3.Controls.Add(this.showguidelines);
 			this.groupBox3.Controls.Add(this.continuousdrawing);
 			this.groupBox3.Location = new System.Drawing.Point(3, 225);
 			this.groupBox3.Name = "groupBox3";
-			this.groupBox3.Size = new System.Drawing.Size(200, 71);
+			this.groupBox3.Size = new System.Drawing.Size(200, 98);
 			this.groupBox3.TabIndex = 11;
 			this.groupBox3.TabStop = false;
 			this.groupBox3.Text = "Additional options";
 			// 
+			// relativeinterpolation
+			// 
+			this.relativeinterpolation.AutoSize = true;
+			this.relativeinterpolation.Location = new System.Drawing.Point(20, 70);
+			this.relativeinterpolation.Name = "relativeinterpolation";
+			this.relativeinterpolation.Size = new System.Drawing.Size(125, 17);
+			this.relativeinterpolation.TabIndex = 17;
+			this.relativeinterpolation.Text = "Relative interpolation";
+			this.relativeinterpolation.UseVisualStyleBackColor = true;
+			this.relativeinterpolation.CheckedChanged += new System.EventHandler(this.relativeinterpolation_CheckedChanged);
+			// 
 			// showguidelines
 			// 
 			this.showguidelines.AutoSize = true;
@@ -286,5 +299,6 @@
 		private System.Windows.Forms.ComboBox gridlockmode;
 		private System.Windows.Forms.Label label5;
 		private System.Windows.Forms.CheckBox showguidelines;
+		private System.Windows.Forms.CheckBox relativeinterpolation;
 	}
 }

Source/Plugins/BuilderModes/Interface/DrawGridOptionsPanel.cs

@@ -11,6 +11,7 @@ namespace CodeImp.DoomBuilder.BuilderModes
 		public event EventHandler OnGridLockModeChanged;
 		public event EventHandler OnContinuousDrawingChanged;
 		public event EventHandler OnShowGuidelinesChanged;
+		public event EventHandler OnRelativeInterpolationChanged;
 
 		private bool blockevents;
 
@@ -22,6 +23,7 @@ namespace CodeImp.DoomBuilder.BuilderModes
 		public int MaxVerticalSlices { get { return (int)slicesV.Maximum; } set { slicesV.Maximum = value; } }
 		public bool ContinuousDrawing { get { return continuousdrawing.Checked; } set { continuousdrawing.Checked = value; } }
 		public bool ShowGuidelines { get { return showguidelines.Checked; } set { showguidelines.Checked = value; } }
+		public bool RelativeInterpolation { get { return relativeinterpolation.Checked; } set { relativeinterpolation.Checked = value; } }
 
 		public InterpolationMode HorizontalInterpolationMode 
 		{
@@ -86,17 +88,22 @@ namespace CodeImp.DoomBuilder.BuilderModes
 			if(mode == GridLockMode.NONE || mode == GridLockMode.HORIZONTAL) slicesV.Value = 3;
 			blockevents = false;
 
-			if(OnValueChanged != null) OnValueChanged(this, EventArgs.Empty);
+			OnValueChanged?.Invoke(this, EventArgs.Empty);
 		}
 
 		private void continuousdrawing_CheckedChanged(object sender, EventArgs e)
 		{
-			if(OnContinuousDrawingChanged != null) OnContinuousDrawingChanged(continuousdrawing.Checked, EventArgs.Empty);
+			OnContinuousDrawingChanged?.Invoke(continuousdrawing.Checked, EventArgs.Empty);
 		}
 
 		private void showguidelines_CheckedChanged(object sender, EventArgs e)
 		{
-			if(OnShowGuidelinesChanged != null) OnShowGuidelinesChanged(showguidelines.Checked, EventArgs.Empty);
+			OnShowGuidelinesChanged?.Invoke(showguidelines.Checked, EventArgs.Empty);
+		}
+
+		private void relativeinterpolation_CheckedChanged(object sender, EventArgs e)
+		{
+			OnRelativeInterpolationChanged?.Invoke(relativeinterpolation.Checked, EventArgs.Empty);
 		}
 	}
 }

Source/Plugins/BuilderModes/Interface/DrawGridOptionsPanel.resx

@@ -112,9 +112,9 @@
     <value>2.0</value>
   </resheader>
   <resheader name="reader">
-    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
   <resheader name="writer">
-    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
 </root>