mirror of
https://git.do.srb2.org/STJr/UltimateZoneBuilder.git
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179 lines
4.3 KiB
C#
179 lines
4.3 KiB
C#
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#region ================== Copyright (c) 2007 Pascal vd Heiden
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/*
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* Copyright (c) 2007 Pascal vd Heiden, www.codeimp.com
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* This program is released under GNU General Public License
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#endregion
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#region ================== Namespaces
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Drawing;
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using System.Text;
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using System.Globalization;
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using System.Windows.Forms;
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using CodeImp.DoomBuilder.Actions;
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using CodeImp.DoomBuilder.Geometry;
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using CodeImp.DoomBuilder.Rendering;
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using CodeImp.DoomBuilder.Editing;
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using System.Drawing.Drawing2D;
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#endregion
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namespace CodeImp.DoomBuilder.Controls
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{
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public partial class AngleControl : UserControl
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{
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#region ================== Constants
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private const float LINE_THICKNESS = 3f;
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private const float LINE_LENGTH = 22f;
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#endregion
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#region ================== Events
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public event EventHandler ValueChanged;
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public event EventHandler ButtonClicked;
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#endregion
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#region ================== Variables
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// Buttons
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private RadioButton[] buttons;
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// Result
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private int angle;
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private bool settingangle;
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#endregion
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#region ================== Properties
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public int Value { get { return angle; } set { SetAngle(value, true); } }
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#endregion
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#region ================== Constructor / Disposer
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// Constructor
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public AngleControl()
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{
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// Initialize
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InitializeComponent();
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// Make array from buttons
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buttons = new RadioButton[8];
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buttons[0] = button0;
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buttons[1] = button1;
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buttons[2] = button2;
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buttons[3] = button3;
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buttons[4] = button4;
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buttons[5] = button5;
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buttons[6] = button6;
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buttons[7] = button7;
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}
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#endregion
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#region ================== Interface
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// Size changed
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protected override void OnClientSizeChanged(EventArgs e)
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{
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base.OnClientSizeChanged(e);
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AngleControl_Resize(this, e);
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}
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// Layout changed
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private void AngleControl_Layout(object sender, LayoutEventArgs e)
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{
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AngleControl_Resize(sender, e);
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}
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// Size changed
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private void AngleControl_Resize(object sender, EventArgs e)
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{
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this.Size = new Size(80, 80);
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}
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// Redraw the control
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private void AngleControl_Paint(object sender, PaintEventArgs e)
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{
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float rad = Angle2D.DegToRad((float)angle);
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e.Graphics.PixelOffsetMode = PixelOffsetMode.HighQuality;
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e.Graphics.InterpolationMode = InterpolationMode.High;
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e.Graphics.SmoothingMode = SmoothingMode.HighQuality;
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e.Graphics.Clear(SystemColors.Control);
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Pen linepen = new Pen(SystemColors.ControlText, LINE_THICKNESS);
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PointF start = new PointF(40f, 40f);
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if((rad >= 0) && (rad < 360))
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{
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PointF end = new PointF(start.X + (float)Math.Sin(rad + Angle2D.PIHALF) * LINE_LENGTH,
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start.Y + (float)Math.Cos(rad + Angle2D.PIHALF) * LINE_LENGTH);
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e.Graphics.DrawLine(linepen, start, end);
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}
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else
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{
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e.Graphics.DrawLine(linepen, start, start);
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}
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}
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#endregion
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#region ================== Control
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// This sets an angle manually
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private void SetAngle(int newangle, bool changebuttons)
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{
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bool changed;
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// Normalize and apply angle
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changed = (newangle != angle);
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angle = newangle;
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// Check if it matches an angle from the buttons
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if(changebuttons)
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{
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settingangle = true;
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for(int i = 0; i < 8; i++)
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buttons[i].Checked = (angle == i * 45);
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settingangle = false;
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}
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// Redraw
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this.Invalidate();
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// Raise event
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if((ValueChanged != null) && changed) ValueChanged(this, EventArgs.Empty);
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}
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// When checked state of a button changes
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private void button_CheckedChanged(object sender, EventArgs e)
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{
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if(!settingangle)
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{
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// Check if we can get the angle from one of the buttons
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for(int i = 0; i < 8; i++)
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if(buttons[i].Checked) SetAngle(i * 45, false);
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// Raise event
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if(ButtonClicked != null) ButtonClicked(this, EventArgs.Empty);
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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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