mirror of
https://git.do.srb2.org/STJr/UltimateZoneBuilder.git
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219 lines
5.8 KiB
C#
Executable file
219 lines
5.8 KiB
C#
Executable file
#region Namespaces
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//Downloaded from
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//Visual C# Kicks - http://vckicks.110mb.com
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//The Code Project - http://www.codeproject.com
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using System;
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using System.ComponentModel;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Windows.Forms;
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using CodeImp.DoomBuilder.Geometry;
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#endregion
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namespace CodeImp.DoomBuilder.Controls
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{
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public partial class AngleControlEx : UserControl
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{
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#region Variables
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private int angle;
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private int angleoffset;
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private Rectangle drawRegion;
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private const int drawOffset = 2;
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private const int markScaler = 5;
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private Point origin;
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private bool doomangleclamping;
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//UI colors
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private readonly Color fillColor = SystemColors.Window;
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private readonly Color fillInactiveColor = SystemColors.Control;
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private readonly Color outlineColor = SystemColors.WindowFrame;
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private readonly Color outlineInactiveColor = SystemColors.ControlDarkDark;
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private readonly Color needleColor = SystemColors.ControlText;
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private readonly Color needleInactiveColor = SystemColors.ControlDarkDark;
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private readonly Color marksColor = SystemColors.ActiveBorder;
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private readonly Color marksInactiveColor = SystemColors.ControlDark;
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#endregion
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#region Properties
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public event EventHandler AngleChanged;
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public int Angle { get { return (angle == NO_ANGLE ? NO_ANGLE : angle - angleoffset); } set {
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if(LicenseManager.UsageMode != LicenseUsageMode.Designtime)
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{
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angle = (value == NO_ANGLE ? NO_ANGLE : value + angleoffset);
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this.Refresh();
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}
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} }
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public int AngleOffset { get { return angleoffset; } set { angleoffset = value; this.Refresh(); } }
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public bool DoomAngleClamping { get { return doomangleclamping; } set { doomangleclamping = value; } }
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public const int NO_ANGLE = int.MinValue;
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#endregion
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public AngleControlEx()
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{
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InitializeComponent();
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this.DoubleBuffered = true;
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}
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#region Methods
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private void SetDrawRegion()
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{
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drawRegion = new Rectangle(0, 0, this.Width, this.Height);
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drawRegion.X += 2;
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drawRegion.Y += 2;
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drawRegion.Width -= 4;
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drawRegion.Height -= 4;
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origin = new Point(drawRegion.Width / 2 + drawOffset, drawRegion.Height / 2 + drawOffset);
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this.Refresh();
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}
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private static PointF DegreesToXY(float degrees, float radius, Point origin)
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{
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PointF xy = new PointF();
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float radians = degrees * (float)Angle2D.PI / 180.0f;
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xy.X = (float)Math.Cos(radians) * radius + origin.X;
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xy.Y = (float)Math.Sin(-radians) * radius + origin.Y;
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return xy;
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}
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private static int XYToDegrees(Point xy, Point origin)
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{
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float xDiff = xy.X - origin.X;
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float yDiff = xy.Y - origin.Y;
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return ((int)Math.Round(Math.Atan2(-yDiff, xDiff) * 180.0 / Angle2D.PI) + 360) % 360;
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}
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#endregion
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#region Events
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private void AngleSelector_Load(object sender, EventArgs e)
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{
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SetDrawRegion();
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}
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private void AngleSelector_SizeChanged(object sender, EventArgs e)
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{
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this.Height = this.Width; // Keep it there and keep it square!
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SetDrawRegion();
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}
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protected override void OnPaint(PaintEventArgs e)
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{
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Graphics g = e.Graphics;
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Pen outline;
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Pen needle;
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Pen marks;
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SolidBrush fill;
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Brush center;
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if(this.Enabled)
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{
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outline = new Pen(outlineColor, 2.0f);
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fill = new SolidBrush(fillColor);
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needle = new Pen(needleColor);
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center = new SolidBrush(needleColor);
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marks = new Pen(marksColor);
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}
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else
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{
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outline = new Pen(outlineInactiveColor, 2.0f);
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fill = new SolidBrush(fillInactiveColor);
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needle = new Pen(needleInactiveColor);
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center = new SolidBrush(needleInactiveColor);
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marks = new Pen(marksInactiveColor);
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}
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Rectangle originSquare = new Rectangle(origin.X - 1, origin.Y - 1, 3, 3);
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//Draw circle
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g.SmoothingMode = SmoothingMode.AntiAlias;
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g.DrawEllipse(outline, drawRegion);
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g.FillEllipse(fill, drawRegion);
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// Draw angle marks
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int offset = this.Height / markScaler;
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for(int i = 0; i < 360; i += 45)
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{
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PointF p1 = DegreesToXY(i, origin.X - 6, origin);
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PointF p2 = DegreesToXY(i, origin.X - offset, origin);
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g.DrawLine(marks, p1, p2);
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}
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// Draw needle
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if(angle != NO_ANGLE)
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{
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PointF anglePoint = DegreesToXY(angle, origin.X - 4, origin);
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g.DrawLine(needle, origin, anglePoint);
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}
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g.SmoothingMode = SmoothingMode.HighSpeed; //Make the square edges sharp
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g.FillRectangle(center, originSquare);
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//mxd. Dispose brushes
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fill.Dispose();
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center.Dispose();
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outline.Dispose();
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marks.Dispose();
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needle.Dispose();
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base.OnPaint(e);
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}
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private void AngleSelector_MouseDown(object sender, MouseEventArgs e)
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{
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int thisAngle = XYToDegrees(new Point(e.X, e.Y), origin);
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if(e.Button == MouseButtons.Left)
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{
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thisAngle = (int)Math.Round(thisAngle / 45f) * 45;
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if(thisAngle == 360) thisAngle = 0;
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}
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if(thisAngle != angle)
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{
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angle = thisAngle;
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if(!this.DesignMode && AngleChanged != null) AngleChanged(this, EventArgs.Empty); //Raise event
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this.Refresh();
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}
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}
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private void AngleSelector_MouseMove(object sender, MouseEventArgs e)
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{
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if(e.Button == MouseButtons.Left || e.Button == MouseButtons.Right)
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{
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int thisAngle = XYToDegrees(new Point(e.X, e.Y), origin);
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if(e.Button == MouseButtons.Left || doomangleclamping)
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{
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thisAngle = (int)Math.Round(thisAngle / 45f) * 45;
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if(thisAngle == 360) thisAngle = 0;
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}
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if(thisAngle != angle)
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{
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angle = thisAngle;
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if(!this.DesignMode && AngleChanged != null) AngleChanged(this, EventArgs.Empty); //Raise event
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this.Refresh();
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}
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}
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}
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#endregion
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}
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}
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