BaseVisualMode.cs

#region ================== Copyright (c) 2007 Pascal vd Heiden

/*
 * Copyright (c) 2007 Pascal vd Heiden, www.codeimp.com
 * This program is released under GNU General Public License
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 */

#endregion

#region ================== Namespaces

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Windows.Forms;
using CodeImp.DoomBuilder.BuilderModes.Interface;
using CodeImp.DoomBuilder.Windows;
using CodeImp.DoomBuilder.Map;
using CodeImp.DoomBuilder.Rendering;
using CodeImp.DoomBuilder.Geometry;
using CodeImp.DoomBuilder.Editing;
using CodeImp.DoomBuilder.Actions;
using CodeImp.DoomBuilder.VisualModes;
using CodeImp.DoomBuilder.Config;
using CodeImp.DoomBuilder.GZBuilder.Data;
using CodeImp.DoomBuilder.Types;
using CodeImp.DoomBuilder.Data;

#endregion

namespace CodeImp.DoomBuilder.BuilderModes
{
	[EditMode(DisplayName = "Visual Mode",
			  SwitchAction = "gzdbvisualmode", // Action name used to switch to this mode
			  ButtonImage = "VisualMode.png",	// Image resource name for the button
			  ButtonOrder = 1,					// Position of the button (lower is more to the left)
			  ButtonGroup = "001_visual",
			  UseByDefault = true)]

	public class BaseVisualMode : VisualMode
	{
		#region ================== Constants
		// Object picking
		private const long PICK_INTERVAL = 80;
		private const long PICK_INTERVAL_PAINT_SELECT = 10; // biwa

		// Gravity
		private const float GRAVITY = -0.06f;
		
		#endregion
		
		#region ================== Variables

		// Gravity
		private Vector3D gravity;
		private double cameraflooroffset = 41.0;		// same as in doom
		private double cameraceilingoffset = 10.0;
		
		// Object picking
		private VisualPickResult target;
		private long lastpicktime;
		private bool locktarget;
		private bool useSelectionFromClassicMode;//mxd
		private readonly Timer selectioninfoupdatetimer; //mxd

		// This keeps extra element info
		private Dictionary<Sector, SectorData> sectordata;
		private Dictionary<Thing, ThingData> thingdata;
		private Dictionary<Vertex, VertexData> vertexdata; //mxd
		//private Dictionary<Thing, EffectDynamicLight> lightdata; //mxd
		
		// This is true when a selection was made because the action is performed
		// on an object that was not selected. In this case the previous selection
		// is cleared and the targeted object is temporarely selected to perform
		// the action on. After the action is completed, the object is deselected.
		private bool singleselection;
		
		// We keep these to determine if we need to make a new undo level
		private bool selectionchanged;
		private int lastundogroup;
		private VisualActionResult actionresult;
		private bool undocreated;

		// List of selected objects when an action is performed
		private List<IVisualEventReceiver> selectedobjects;
		
		//mxd. Used in Cut/PasteSelection actions
		private readonly List<ThingCopyData> copybuffer;
		private Type lasthighlighttype;

		// biwa. Info for paint selection
		protected bool paintselectpressed;
		protected Type paintselecttype = null;
		protected IVisualPickable highlighted; // biwa

		//mxd. Moved here from Tools
		private struct SidedefAlignJob
		{
			public Sidedef sidedef;

			public double offsetx;
			public double scaleX; //mxd
			public double scaleY; //mxd

			private Sidedef controlside; //mxd
			public Sidedef controlSide
			{
				get
				{
					return controlside;
				}
				set
				{
					controlside = value;
					ceilingheight = (controlside.Index != sidedef.Index && controlside.Line.Args[1] == 0 ? controlside.Sector.FloorHeight : controlside.Sector.CeilHeight);
				}
			}

			private int ceilingheight; //mxd
			public int ceilingHeight { get { return ceilingheight; } } //mxd

			// When this is true, the previous sidedef was on the left of
			// this one and the texture X offset of this sidedef can be set
			// directly. When this is false, the length of this sidedef
			// must be subtracted from the X offset first.
			public bool forward;
		}
		
		#endregion
		
		#region ================== Properties

		public override object HighlightedObject
		{
			get
			{
				// Geometry picked?
				VisualGeometry vg = target.picked as VisualGeometry;
				if(vg != null)
				{
					if(vg.Sidedef != null) return vg.Sidedef;
					if(vg.Sector != null) return vg.Sector;
					return null;
				}
				// Thing picked?
				VisualThing vt = target.picked as VisualThing;
				if(vt != null) return vt.Thing;

				return null;
			}
		}

		public object HighlightedTarget { get { return target.picked; } } //mxd
		public bool UseSelectionFromClassicMode { get { return useSelectionFromClassicMode; } } //mxd

		new public IRenderer3D Renderer { get { return renderer; } }
		
		public bool IsSingleSelection { get { return singleselection; } }
		public bool SelectionChanged { get { return selectionchanged; } set { selectionchanged |= value; } }

		public bool PaintSelectPressed { get { return paintselectpressed; } } // biwa
		public Type PaintSelectType { get { return paintselecttype; } set { paintselecttype = value; } } // biwa
		public IVisualPickable Highlighted { get { return highlighted; } } // biwa

		#endregion
		
		#region ================== Constructor / Disposer

		// Constructor
		public BaseVisualMode()
		{
			// Initialize
			this.gravity = new Vector3D(0.0f, 0.0f, 0.0f);
			this.selectedobjects = new List<IVisualEventReceiver>();
			
			//mxd
			this.copybuffer = new List<ThingCopyData>();
			this.selectioninfoupdatetimer = new Timer();
			selectioninfoupdatetimer.Interval = 100;
			selectioninfoupdatetimer.Tick += SelectioninfoupdatetimerOnTick;
			
			// We have no destructor
			GC.SuppressFinalize(this);
		}

		// Disposer
		public override void Dispose()
		{
			// Not already disposed?
			if(!isdisposed)
			{
				// Clean up