UltimateZoneBuilder/Source/Map/Thing.cs

312 lines
8 KiB
C#

#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 CodeImp.DoomBuilder.Geometry;
using CodeImp.DoomBuilder.Rendering;
using CodeImp.DoomBuilder.Config;
using System.Drawing;
#endregion
namespace CodeImp.DoomBuilder.Map
{
public sealed class Thing : SelectableElement
{
#region ================== Constants
public const int NUM_ARGS = 5;
public static readonly int[] EMPTY_ARGS = new int[NUM_ARGS];
#endregion
#region ================== Variables
// Map
private MapSet map;
// Sector
private Sector sector = null;
// List items
private LinkedListNode<Thing> mainlistitem;
private LinkedListNode<Thing> sectorlistitem;
// Properties
private int type;
private Vector3D pos;
private float angle;
private Dictionary<string, bool> flags;
private int tag;
private int action;
private int[] args;
private int x, y, zoffset;
// Configuration
private float size;
private PixelColor color;
private bool fixedsize;
private float iconoffset; // Arrow or dot coordinate offset on the texture
#endregion
#region ================== Properties
public MapSet Map { get { return map; } }
public int Type { get { return type; } set { type = value; } }
public Vector3D Position { get { return pos; } }
public float Angle { get { return angle; } }
public int AngleDeg { get { return (int)Angle2D.RadToDeg(angle); } }
public Dictionary<string, bool> Flags { get { return flags; } }
public int Action { get { return action; } set { action = value; } }
public int[] Args { get { return args; } }
public float Size { get { return size; } }
public float IconOffset { get { return iconoffset; } }
public PixelColor Color { get { return color; } }
public bool FixedSize { get { return fixedsize; } }
public int Tag { get { return tag; } set { tag = value; if((tag < 0) || (tag > MapSet.HIGHEST_TAG)) throw new ArgumentOutOfRangeException("Tag", "Invalid tag number"); } }
public Sector Sector { get { return sector; } }
#endregion
#region ================== Constructor / Disposer
// Constructor
internal Thing(MapSet map, LinkedListNode<Thing> listitem)
{
// Initialize
this.map = map;
this.mainlistitem = listitem;
this.flags = new Dictionary<string, bool>();
this.args = new int[NUM_ARGS];
// We have no destructor
GC.SuppressFinalize(this);
}
// Disposer
public override void Dispose()
{
// Not already disposed?
if(!isdisposed)
{
// Already set isdisposed so that changes can be prohibited
isdisposed = true;
// Remove from main list
mainlistitem.List.Remove(mainlistitem);
// Remove from sector
if(sector != null) sector.DetachThing(sectorlistitem);
// Clean up
mainlistitem = null;
sectorlistitem = null;
map = null;
sector = null;
// Dispose base
base.Dispose();
}
}
#endregion
#region ================== Management
// This copies all properties to another thing
public void CopyPropertiesTo(Thing t)
{
// Copy properties
t.type = type;
t.angle = angle;
t.pos = pos;
t.flags = new Dictionary<string,bool>(flags);
t.tag = tag;
t.action = action;
t.args = EMPTY_ARGS;
t.size = size;
t.color = color;
t.iconoffset = iconoffset;
t.fixedsize = fixedsize;
args.CopyTo(t.args, 0);
base.CopyPropertiesTo(t);
}
// This determines which sector the thing is in and links it
public void DetermineSector()
{
Sector newsector = null;
Linedef nl;
// Find the nearest linedef on the map
nl = map.NearestLinedef(pos);
if(nl != null)
{
// Check what side of line we are at
if(nl.SideOfLine(pos) < 0f)
{
// Front side
if(nl.Front != null) newsector = nl.Front.Sector;
}
else
{
// Back side
if(nl.Back != null) newsector = nl.Back.Sector;
}
}
// Currently attached to a sector and sector changes?
if((sector != null) && (newsector != sector))
{
// Remove from current sector
sector.DetachThing(sectorlistitem);
sectorlistitem = null;
sector = null;
}
// Attach to new sector?
if((newsector != null) && (newsector != sector))
{
// Attach to new sector
sector = newsector;
sectorlistitem = sector.AttachThing(this);
}
}
#endregion
#region ================== Changes
// This moves the thing
// NOTE: This does not update sector! (call DetermineSector)
public void Move(Vector3D newpos)
{
// Change position
this.pos = newpos;
}
// This moves the thing
// NOTE: This does not update sector! (call DetermineSector)
public void Move(Vector2D newpos)
{
// Change position
this.pos = new Vector3D(newpos.x, newpos.y, zoffset);
}
// This moves the thing
// NOTE: This does not update sector! (call DetermineSector)
public void Move(float x, float y, float zoffset)
{
// Change position
this.pos = new Vector3D(x, y, zoffset);
}
// This rotates the thing
public void Rotate(float newangle)
{
// Change angle
this.angle = newangle;
}
// This updates all properties
// NOTE: This does not update sector! (call DetermineSector)
public void Update(int type, float x, float y, float zoffset, float angle,
Dictionary<string, bool> flags, int tag, int action, int[] args)
{
// Apply changes
this.type = type;
this.angle = angle;
this.flags = new Dictionary<string, bool>(flags);
this.tag = tag;
this.action = action;
this.args = new int[NUM_ARGS];
args.CopyTo(this.args, 0);
this.Move(x, y, zoffset);
}
// This updates the settings from configuration
public void UpdateConfiguration()
{
ThingTypeInfo ti;
// Lookup settings
ti = General.Map.Config.GetThingInfo(type);
// Apply size
size = ti.Width;
fixedsize = ti.FixedSize;
// Color valid?
if((ti.Color >= 0) && (ti.Color < ColorCollection.NUM_THING_COLORS))
{
// Apply color
color = General.Colors.Colors[ti.Color + ColorCollection.THING_COLORS_OFFSET];
}
else
{
// Unknown thing color
color = General.Colors.Colors[ColorCollection.THING_COLORS_OFFSET];
}
// Apply icon offset (arrow or dot)
if(ti.Arrow) iconoffset = 0f; else iconoffset = 0.25f;
}
#endregion
#region ================== Methods
// This snaps the vertex to the grid
public void SnapToGrid()
{
// Calculate nearest grid coordinates
this.Move(General.Map.Grid.SnappedToGrid((Vector2D)pos));
}
// This snaps the vertex to the map format accuracy
public void SnapToAccuracy()
{
// Round the coordinates
Vector3D newpos = new Vector3D((float)Math.Round(pos.x, General.Map.FormatInterface.VertexDecimals),
(float)Math.Round(pos.y, General.Map.FormatInterface.VertexDecimals),
(float)Math.Round(pos.z, General.Map.FormatInterface.VertexDecimals));
this.Move(newpos);
}
// This returns the distance from given coordinates
public float DistanceToSq(Vector2D p)
{
Vector2D delta = p - (Vector2D)pos;
return delta.GetLengthSq();
}
// This returns the distance from given coordinates
public float DistanceTo(Vector2D p)
{
Vector2D delta = p - (Vector2D)pos;
return delta.GetLength();
}
#endregion
}
}