#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;
using System.Collections.Generic;
using System.Globalization;
using System.Text;
using System.Windows.Forms;
using System.IO;
using System.Reflection;
using CodeImp.DoomBuilder.Windows;
using CodeImp.DoomBuilder.IO;
using CodeImp.DoomBuilder.Map;
using CodeImp.DoomBuilder.Rendering;
using CodeImp.DoomBuilder.Geometry;
using CodeImp.DoomBuilder.Editing;
using CodeImp.DoomBuilder.VisualModes;

#endregion

namespace CodeImp.DoomBuilder.BuilderModes
{
	internal abstract class BaseVisualGeometrySidedef : VisualGeometry, IVisualEventReceiver
	{
		#region ================== Constants

		#endregion

		#region ================== Variables

		protected float top;
		protected float bottom;
		
		#endregion

		#region ================== Properties

		#endregion

		#region ================== Constructor / Destructor

		// Constructor for sidedefs
		public BaseVisualGeometrySidedef(VisualSector vs, Sidedef sd) : base(vs, sd)
		{
		}

		#endregion

		#region ================== Methods

		// This performs a fast test in object picking
		public override bool PickFastReject(Vector3D from, Vector3D to, Vector3D dir)
		{
			// Check if intersection point is between top and bottom
			return (pickintersect.z >= bottom) && (pickintersect.z <= top);
		}

		// This performs an accurate test for object picking
		public override bool PickAccurate(Vector3D from, Vector3D to, Vector3D dir, ref float u_ray)
		{
			// The fast reject pass is already as accurate as it gets,
			// so we just return the intersection distance here
			u_ray = pickrayu;
			return true;
		}
		
		#endregion

		#region ================== Events

		// Unused
		public virtual void OnSelectBegin() { }
		public virtual void OnSelectEnd() { }
		public virtual void OnEditBegin() { }
		
		// Edit button released
		public virtual void OnEditEnd()
		{
			List<Linedef> lines = new List<Linedef>();
			lines.Add(this.Sidedef.Line);
			DialogResult result = General.Interface.ShowEditLinedefs(lines);
			if(result == DialogResult.OK) (this.Sector as BaseVisualSector).Rebuild();
		}
		
		#endregion
	}
}