mirror of
https://git.do.srb2.org/STJr/UltimateZoneBuilder.git
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319 lines
9.7 KiB
C#
319 lines
9.7 KiB
C#
#region ================== Namespaces
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using System;
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using System.Collections.Generic;
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using CodeImp.DoomBuilder.Actions;
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using CodeImp.DoomBuilder.Editing;
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using CodeImp.DoomBuilder.Geometry;
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#endregion
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namespace CodeImp.DoomBuilder.BuilderModes
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{
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[EditMode(DisplayName = "Draw Ellipse Mode",
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SwitchAction = "drawellipsemode",
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ButtonImage = "DrawEllipseMode.png", //mxd
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ButtonOrder = int.MinValue + 4, //mxd
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ButtonGroup = "000_drawing", //mxd
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AllowCopyPaste = false,
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Volatile = true,
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Optional = false)]
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public class DrawEllipseMode : DrawRectangleMode
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{
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#region ================== Variables
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// Interface
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private DrawEllipseOptionsPanel panel;
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// Drawing
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private float angle; // in radians
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#endregion
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#region ================== Constructor
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public DrawEllipseMode()
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{
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autoclosedrawing = false;
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}
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#endregion
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#region ================== Settings panel
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override protected void SetupInterface()
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{
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maxsubdivisions = 512;
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minsubdivisions = 3;
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minpointscount = 3;
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alwaysrendershapehints = true;
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// Load stored settings
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subdivisions = General.Clamp(General.Settings.ReadPluginSetting("drawellipsemode.subdivisions", 8), minsubdivisions, maxsubdivisions);
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bevelwidth = General.Settings.ReadPluginSetting("drawellipsemode.bevelwidth", 0);
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int angledeg = General.Settings.ReadPluginSetting("drawellipsemode.angle", 0);
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angle = Angle2D.DegToRad(angledeg);
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currentbevelwidth = bevelwidth;
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//Add options docker
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panel = new DrawEllipseOptionsPanel();
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panel.MaxSubdivisions = maxsubdivisions;
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panel.MinSubdivisions = minsubdivisions;
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panel.MinSpikiness = (int)General.Map.FormatInterface.MinCoordinate;
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panel.MaxSpikiness = (int)General.Map.FormatInterface.MaxCoordinate;
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panel.Spikiness = bevelwidth;
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panel.Angle = angledeg;
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panel.Subdivisions = subdivisions;
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panel.OnValueChanged += OptionsPanelOnValueChanged;
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panel.OnContinuousDrawingChanged += OnContinuousDrawingChanged;
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panel.OnShowGuidelinesChanged += OnShowGuidelinesChanged;
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// Needs to be set after adding the OnContinuousDrawingChanged event...
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panel.ContinuousDrawing = General.Settings.ReadPluginSetting("drawellipsemode.continuousdrawing", false);
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panel.ShowGuidelines = General.Settings.ReadPluginSetting("drawellipsemode.showguidelines", false);
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}
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override protected void AddInterface()
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{
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panel.Register();
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}
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override protected void RemoveInterface()
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{
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// Store settings
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General.Settings.WritePluginSetting("drawellipsemode.subdivisions", subdivisions);
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General.Settings.WritePluginSetting("drawellipsemode.bevelwidth", bevelwidth);
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General.Settings.WritePluginSetting("drawellipsemode.angle", panel.Angle);
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General.Settings.WritePluginSetting("drawellipsemode.continuousdrawing", panel.ContinuousDrawing);
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General.Settings.WritePluginSetting("drawellipsemode.showguidelines", panel.ShowGuidelines);
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// Remove the buttons
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panel.Unregister();
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}
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#endregion
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#region ================== Methods
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override protected Vector2D[] GetShape(Vector2D pStart, Vector2D pEnd)
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{
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// No shape
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if(pEnd.x == pStart.x && pEnd.y == pStart.y) return new Vector2D[0];
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// Line
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if(pEnd.x == pStart.x || pEnd.y == pStart.y) return new[] { pStart, pEnd };
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// Got shape
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if(subdivisions < 6)
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currentbevelwidth = 0; // Works strange otherwise
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else if(bevelwidth < 0)
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currentbevelwidth = -Math.Min(Math.Abs(bevelwidth), Math.Min(width, height) / 2) + 1;
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else
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currentbevelwidth = bevelwidth;
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Vector2D[] shape = new Vector2D[subdivisions + 1];
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bool doBevel = false;
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float hw = width / 2.0f;
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float hh = height / 2.0f;
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Vector2D center = new Vector2D(pStart.x + hw, pStart.y + hh);
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float curAngle = angle;
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float angleStep = -Angle2D.PI / subdivisions * 2;
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for(int i = 0; i < subdivisions; i++)
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{
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float px, py;
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if(doBevel)
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{
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px = (float)Math.Round(center.x - (float)Math.Sin(curAngle) * (hw + currentbevelwidth));
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py = (float)Math.Round(center.y - (float)Math.Cos(curAngle) * (hh + currentbevelwidth));
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}
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else
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{
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px = (float)Math.Round(center.x - (float)Math.Sin(curAngle) * hw);
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py = (float)Math.Round(center.y - (float)Math.Cos(curAngle) * hh);
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}
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doBevel = !doBevel;
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shape[i] = new Vector2D(px, py);
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curAngle += angleStep;
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}
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// Add final point
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shape[subdivisions] = shape[0];
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// Now fit it inside the bounding box
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float minx = float.MaxValue;
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float miny = float.MaxValue;
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float maxx = float.MinValue;
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float maxy = float.MinValue;
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// Calculate shape extents
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foreach(Vector2D v in shape)
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{
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if(v.x < minx) minx = v.x;
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if(v.x > maxx) maxx = v.x;
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if(v.y < miny) miny = v.y;
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if(v.y > maxy) maxy = v.y;
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}
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// Calculate scalers
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float scalerx = 1.0f;
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float scalery = 1.0f;
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if(minx != pStart.x || maxx != pEnd.x)
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scalerx = (pEnd.x - pStart.x) / (maxx - minx);
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if(miny != pStart.y)
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scalery = (pEnd.y - pStart.y) / (maxy - miny);
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// Apply scalers
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if(scalerx != 1.0f || scalery != 1.0f)
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{
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for(int i = 0; i < shape.Length; i++)
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{
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shape[i].x = ((center.x - shape[i].x) * scalerx + center.x);
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shape[i].y = ((center.y - shape[i].y) * scalery + center.y);
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}
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}
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// Calculate shape extents again...
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minx = float.MaxValue;
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miny = float.MaxValue;
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foreach(Vector2D v in shape)
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{
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if(v.x < minx) minx = v.x;
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if(v.y < miny) miny = v.y;
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}
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// Calculate shape offset...
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Vector2D offset = new Vector2D();
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if(minx != pStart.x) offset.x = pStart.x - minx;
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if(miny != pStart.y) offset.y = pStart.y - miny;
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// Apply offset...
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if(offset.x != 0.0f || offset.y != 0.0f)
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for(int i = 0; i < shape.Length; i++) shape[i] += offset;
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// Done
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return shape;
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}
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protected override string GetHintText()
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{
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List<string> result = new List<string>();
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if(bevelwidth != 0) result.Add("BVL: " + bevelwidth);
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if(subdivisions != 0) result.Add("VERTS: " + subdivisions);
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if(panel.Angle != 0) result.Add("ANGLE: " + panel.Angle);
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return string.Join("; ", result.ToArray());
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}
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#endregion
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#region ================== Events
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public override void OnAccept()
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{
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switch(points.Count - 1) // Last point matches the first one
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{
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case 3: undoname = "Triangle draw"; shapename = "triangle"; break;
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case 4: undoname = "Rhombus draw"; shapename = "rhombus"; break;
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case 5: undoname = "Pentagon draw"; shapename = "pentagon"; break;
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case 6: undoname = "Hexagon draw"; shapename = "hexagon"; break;
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case 7: undoname = "Heptagon draw"; shapename = "heptagon"; break;
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case 8: undoname = "Octagon draw"; shapename = "octagon"; break;
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case 9: undoname = "Enneagon draw"; shapename = "enneagon"; break;
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case 10: undoname = "Decagon draw"; shapename = "decagon"; break;
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case 11: undoname = "Hendecagon draw"; shapename = "hendecagon"; break;
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case 12: undoname = "Dodecagon draw"; shapename = "dodecagon"; break;
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case 13: undoname = "Tridecagon draw"; shapename = "tridecagon"; break;
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case 14: undoname = "Tetradecagon draw"; shapename = "tetradecagon"; break;
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case 15: undoname = "Pentadecagon draw"; shapename = "pentadecagon"; break;
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case 16: undoname = "Hexadecagon draw"; shapename = "hexadecagon"; break;
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case 17: undoname = "Heptadecagon draw"; shapename = "heptadecagon"; break;
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case 18: undoname = "Octadecagon draw"; shapename = "octadecagon"; break;
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case 19: undoname = "Enneadecagon draw"; shapename = "enneadecagon"; break;
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case 20: undoname = "Icosagon draw"; shapename = "icosagon"; break;
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default: undoname = "Ellipse draw"; shapename = "ellipse"; break;
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}
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base.OnAccept();
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}
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private void OptionsPanelOnValueChanged(object sender, EventArgs eventArgs)
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{
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bevelwidth = panel.Spikiness;
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subdivisions = Math.Min(maxsubdivisions, panel.Subdivisions);
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angle = Angle2D.DegToRad(panel.Angle);
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Update();
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}
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public override void OnHelp()
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{
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General.ShowHelp("/gzdb/features/classic_modes/mode_drawellipse.html");
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}
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#endregion
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#region ================== Actions
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override protected void IncreaseSubdivLevel()
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{
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if(maxsubdivisions - subdivisions > 1)
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{
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subdivisions += (subdivisions % 2 != 0 ? 1 : 2);
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panel.Subdivisions = subdivisions;
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Update();
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}
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}
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override protected void DecreaseSubdivLevel()
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{
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if(subdivisions - minsubdivisions > 1)
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{
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subdivisions -= (subdivisions % 2 != 0 ? 1 : 2);
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panel.Subdivisions = subdivisions;
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Update();
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}
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}
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protected override void IncreaseBevel()
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{
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if(points.Count < 2 || currentbevelwidth == bevelwidth || bevelwidth < 0)
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{
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bevelwidth = Math.Min(bevelwidth + General.Map.Grid.GridSizeI, panel.MaxSpikiness);
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panel.Spikiness = bevelwidth;
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Update();
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}
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}
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protected override void DecreaseBevel()
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{
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if(bevelwidth > 0 || currentbevelwidth <= bevelwidth + 1)
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{
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bevelwidth = Math.Max(bevelwidth - General.Map.Grid.GridSizeI, panel.MinSpikiness);
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panel.Spikiness = bevelwidth;
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Update();
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}
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}
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[BeginAction("rotateclockwise")]
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private void IncreaseAngle()
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{
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panel.Angle = General.ClampAngle(panel.Angle + 5);
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angle = Angle2D.DegToRad(panel.Angle);
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Update();
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}
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[BeginAction("rotatecounterclockwise")]
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private void DecreaseAngle()
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{
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panel.Angle = General.ClampAngle(panel.Angle - 5);
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angle = Angle2D.DegToRad(panel.Angle);
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Update();
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}
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#endregion
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}
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}
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