UltimateZoneBuilder/Source/Plugins/BuilderModes/VisualModes/VisualSidedefSlope.cs
2020-01-18 21:10:21 +01:00

447 lines
No EOL
13 KiB
C#

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Drawing;
using System.Linq;
using System.Windows.Forms;
using CodeImp.DoomBuilder.BuilderModes;
using CodeImp.DoomBuilder.Geometry;
using CodeImp.DoomBuilder.Map;
using CodeImp.DoomBuilder.Rendering;
namespace CodeImp.DoomBuilder.VisualModes
{
internal class VisualSidedefSlope : VisualSlope, IVisualEventReceiver
{
#region ================== Variables
private readonly BaseVisualMode mode;
private readonly Sidedef sidedef;
private readonly SectorLevel level;
private readonly bool up;
private RectangleF bbox;
private Vector3D pickintersect;
private float pickrayu;
private Plane plane;
#endregion
#region ================== Constants
private const int SIZE = 8;
#endregion
#region ================== Properties
public Sidedef Sidedef { get { return sidedef; } }
public SectorLevel Level { get { return level; } }
public int NormalizedAngleDeg { get { return (sidedef.Line.AngleDeg >= 180) ? (sidedef.Line.AngleDeg - 180) : sidedef.Line.AngleDeg; } }
#endregion
#region ================== Constructor / Destructor
public VisualSidedefSlope(BaseVisualMode mode, SectorLevel level, Sidedef sidedef, bool up) : base()
{
this.mode = mode;
this.sidedef = sidedef;
this.level = level;
this.up = up;
length = sidedef.Line.Length;
Update();
bbox = CreateBoundingBox();
// We have no destructor
GC.SuppressFinalize(this);
}
#endregion
#region ================== Methods
private RectangleF CreateBoundingBox()
{
Line2D l = sidedef.Line.Line;
float left = l.v1.x;
float right = l.v1.x;
float top = l.v1.y;
float bottom = l.v1.y;
if (l.v2.x < left) left = l.v2.x;
if (l.v2.x > right) right = l.v2.x;
if (l.v2.y > bottom) bottom = l.v2.y;
if (l.v2.y < top) top = l.v2.y;
return new RectangleF(left - SIZE, top - SIZE, right - left + SIZE*2, bottom - top + SIZE*2);
}
public override void Update()
{
plane = new Plane(level.plane.Normal, level.plane.Offset - 0.1f);
if (!up)
plane = plane.GetInverted();
UpdatePosition();
}
/// <summary>
/// This is called when the thing must be tested for line intersection. This should reject
/// as fast as possible to rule out all geometry that certainly does not touch the line.
/// </summary>
public override bool PickFastReject(Vector3D from, Vector3D to, Vector3D dir)
{
if ((up && plane.Distance(from) > 0.0f) || (!up && plane.Distance(from) < 0.0f))
{
if (plane.GetIntersection(from, to, ref pickrayu))
{
if (pickrayu > 0.0f)
{
pickintersect = from + (to - from) * pickrayu;
return ((pickintersect.x >= bbox.Left) && (pickintersect.x <= bbox.Right) &&
(pickintersect.y >= bbox.Top) && (pickintersect.y <= bbox.Bottom));
}
}
}
return false;
}
/// <summary>
/// This is called when the thing must be tested for line intersection. This should perform
/// accurate hit detection and set u_ray to the position on the ray where this hits the geometry.
/// </summary>
public override bool PickAccurate(Vector3D from, Vector3D to, Vector3D dir, ref float u_ray)
{
u_ray = pickrayu;
Sidedef sd = MapSet.NearestSidedef(sidedef.Sector.Sidedefs, pickintersect);
if (sd == sidedef) {
float side = sd.Line.SideOfLine(pickintersect);
if ((side <= 0.0f && sd.IsFront) || (side > 0.0f && !sd.IsFront))
{
if (sidedef.Line.DistanceTo(pickintersect, true) <= SIZE)
return true;
}
}
return false;
}
public void UpdatePosition()
{
float angle;
Vector3D pos;
Vector3D v1, v2;
if (sidedef.IsFront)
{
pos = sidedef.Line.End.Position;
pos.z = plane.GetZ(pos);
v1 = sidedef.Line.Start.Position;
v2 = sidedef.Line.End.Position;
angle = sidedef.Line.Angle + (float)Math.PI / 2.0f;
if (angle > (float)Math.PI * 2.0f)
angle -= 2.0f * (float)Math.PI ;
}
else
{
pos = sidedef.Line.Start.Position;
pos.z = plane.GetZ(pos);
v1 = sidedef.Line.End.Position;
v2 = sidedef.Line.Start.Position;
angle = sidedef.Line.Angle - (float)Math.PI / 2.0f;
if (angle < 0.0f)
angle += 2.0f * (float)Math.PI;
}
SetPosition(v1, sidedef.Line.Line.GetPerpendicular(), sidedef.Line.Line.GetDelta(), level.plane, /* (float)Math.PI * 1.5f + */ sidedef.Line.Angle);
}
internal VisualSidedefSlope GetSmartPivotHandle(VisualSidedefSlope starthandle)
{
VisualSidedefSlope handle = starthandle;
List<VisualSidedefSlope> potentialhandles = new List<VisualSidedefSlope>();
int angle = starthandle.sidedef.Line.AngleDeg;
int anglediff = 180;
float distance = 0.0f;
if (angle >= 180) angle -= 180;
List<IVisualEventReceiver> selectedsectors = mode.GetSelectedObjects(true, false, false, false, false);
if (selectedsectors.Count == 0)
{
foreach (VisualSidedefSlope checkhandle in mode.AllSlopeHandles[starthandle.Sidedef.Sector])
if (checkhandle != starthandle && checkhandle.Level == starthandle.Level)
potentialhandles.Add(checkhandle);
}
else
{
HashSet<Sector> sectors = new HashSet<Sector>();
// Debug.WriteLine("\nAll levels:");
foreach(Sector s in General.Map.Map.Sectors)
{
SectorData sd = mode.GetSectorData(s);
// Debug.WriteLine(sd.Floor.GetHashCode());
// Debug.WriteLine(sd.Ceiling.GetHashCode());
}
// Debug.WriteLine("\nLevels of selected sectors:");
foreach (BaseVisualGeometrySector bvgs in selectedsectors)
{
sectors.Add(bvgs.Sector.Sector);
// Debug.WriteLine(bvgs.Level.GetHashCode());
}
// Debug.WriteLine("\nChecking levels:");
foreach (Sector s in sectors)
foreach (VisualSidedefSlope checkhandle in mode.AllSlopeHandles[s])
if(checkhandle != starthandle)
foreach (BaseVisualGeometrySector bvgs in selectedsectors)
{
if (bvgs.Level == checkhandle.Level)
{
potentialhandles.Add(checkhandle);
// Debug.WriteLine(checkhandle.Level.GetHashCode() + " <-- OK!");
}
//else
// Debug.WriteLine(checkhandle.Level.GetHashCode());
}
}
//Debug.WriteLine("\npotential lines:");
//foreach (VisualSidedefSlopeHandle vssh in potentialhandles)
// Debug.WriteLine(vssh.Sidedef.Line);
foreach (KeyValuePair<Sector, List<VisualSlope>> kvp in mode.AllSlopeHandles)
{
foreach (VisualSidedefSlope checkhandle in kvp.Value)
checkhandle.SmartPivot = false;
}
List<VisualSidedefSlope> anglediffsortedhandles = potentialhandles.OrderBy(h => Math.Abs(starthandle.NormalizedAngleDeg - h.NormalizedAngleDeg)).ToList();
//Debug.WriteLine("\nSorted by angle diff:");
//foreach (VisualSidedefSlopeHandle vssh in anglediffsortedhandles)
// Debug.WriteLine(vssh.Sidedef.Line + " (" + Math.Abs(starthandle.NormalizedAngleDeg - vssh.NormalizedAngleDeg) + ")");
//Debug.WriteLine("\nSorted by distance:");
//foreach (VisualSidedefSlopeHandle vssh in anglediffsortedhandles.Where(h => h.NormalizedAngleDeg == anglediffsortedhandles[0].NormalizedAngleDeg).OrderByDescending(h => Math.Abs(Vector2D.Distance(h.Sidedef.Line.GetCenterPoint(), starthandle.sidedef.Line.GetCenterPoint()))))
// Debug.WriteLine(vssh.Sidedef.Line + " (" + Math.Abs(Vector2D.Distance(vssh.Sidedef.Line.GetCenterPoint(), starthandle.sidedef.Line.GetCenterPoint())) + ")");
if (anglediffsortedhandles.Count > 0)
{
// handle = anglediffsortedhandles.Where(h => h.NormalizedAngleDeg == anglediffsortedhandles[0].NormalizedAngleDeg).OrderByDescending(h => Math.Abs(Vector2D.Distance(h.Sidedef.Line.GetCenterPoint(), starthandle.sidedef.Line.GetCenterPoint()))).First();
handle = anglediffsortedhandles.Where(h => h.NormalizedAngleDeg == anglediffsortedhandles[0].NormalizedAngleDeg).OrderByDescending(h => Math.Abs(starthandle.Sidedef.Line.Line.GetDistanceToLine(h.sidedef.Line.GetCenterPoint(), false))).First();
}
// Debug.WriteLine("\nDecided on " + handle.Sidedef.Line + "(" + handle.Level.type + ")");
/*
foreach (VisualSidedefSlopeHandle checkhandle in potentialhandles)
{
checkhandle.SmartPivot = false;
if (checkhandle == starthandle) continue;
int checkangle = checkhandle.Sidedef.Line.AngleDeg;
if (checkangle >= 180) checkangle -= 180;
int checkanglediff = Math.Abs(angle - checkangle);
if (checkanglediff <= anglediff)
{
// Compute distance between starthandle and checkhandle
if (handle != null)
{
float checkdistance = Math.Abs(Vector2D.Distance(handle.Sidedef.Line.GetCenterPoint(), checkhandle.Sidedef.Line.GetCenterPoint()));
if (checkdistance > distance)
{
anglediff = checkanglediff;
handle = checkhandle;
distance = checkdistance;
}
}
else
{
anglediff = checkanglediff;
handle = checkhandle;
distance = Math.Abs(Vector2D.Distance(handle.Sidedef.Line.GetCenterPoint(), checkhandle.Sidedef.Line.GetCenterPoint()));
}
}
}
*/
if (handle == starthandle)
return null;
if(handle != null)
handle.SmartPivot = true;
return handle;
}
#endregion
#region ================== Events
public void OnChangeTargetHeight(int amount)
{
VisualSlope pivothandle = null;
List<IVisualEventReceiver> selectedsectors = mode.GetSelectedObjects(true, false, false, false, false);
List<SectorLevel> levels = new List<SectorLevel>();
if (selectedsectors.Count == 0)
levels.Add(level);
else
foreach (BaseVisualGeometrySector bvgs in selectedsectors)
levels.Add(bvgs.Level);
foreach (KeyValuePair<Sector, List<VisualSlope>> kvp in mode.AllSlopeHandles)
{
foreach (VisualSidedefSlope handle in kvp.Value)
{
if (handle.Pivot)
{
pivothandle = handle;
break;
}
}
}
if(pivothandle == null)
{
pivothandle = GetSmartPivotHandle(this);
}
if (pivothandle == null)
return;
mode.CreateUndo("Change slope");
SectorData sd = mode.GetSectorData(sidedef.Sector);
SectorData sdpivot = mode.GetSectorData(level.sector);
Plane originalplane = level.plane;
Plane pivotplane = ((VisualSidedefSlope)pivothandle).Level.plane;
Vector3D p1 = new Vector3D(sidedef.Line.Start.Position, (float)Math.Round(originalplane.GetZ(sidedef.Line.Start.Position)));
Vector3D p2 = new Vector3D(sidedef.Line.End.Position, (float)Math.Round(originalplane.GetZ(sidedef.Line.End.Position)));
Vector3D p3 = new Vector3D(((VisualSidedefSlope)pivothandle).Sidedef.Line.Line.GetCoordinatesAt(0.5f), (float)Math.Round(pivotplane.GetZ(((VisualSidedefSlope)pivothandle).Sidedef.Line.Line.GetCoordinatesAt(0.5f))));
p1 += new Vector3D(0f, 0f, amount);
p2 += new Vector3D(0f, 0f, amount);
Plane plane = new Plane(p1, p2, p3, true);
foreach (SectorLevel l in levels)
{
Vector2D center = new Vector2D(l.sector.BBox.X + l.sector.BBox.Width / 2,
l.sector.BBox.Y + l.sector.BBox.Height / 2);
if (l.plane.Normal.z >= 0.0f && !l.extrafloor)
{
l.sector.FloorSlope = plane.Normal;
l.sector.FloorSlopeOffset = plane.Offset;
l.sector.FloorHeight = (int)new Plane(l.sector.FloorSlope, l.sector.FloorSlopeOffset).GetZ(center);
}
else
{
Plane downplane = plane.GetInverted();
l.sector.CeilSlope = downplane.Normal;
l.sector.CeilSlopeOffset = downplane.Offset;
l.sector.CeilHeight = (int)new Plane(l.sector.CeilSlope, l.sector.CeilSlopeOffset).GetZ(center);
}
// Rebuild sector
BaseVisualSector vs;
if (mode.VisualSectorExists(l.sector))
{
vs = (BaseVisualSector)mode.GetVisualSector(l.sector);
}
else
{
vs = mode.CreateBaseVisualSector(l.sector);
}
if (vs != null) vs.UpdateSectorGeometry(true);
}
mode.SetActionResult("Changed slope.");
}
// Select or deselect
public void OnSelectEnd()
{
if (this.selected)
{
this.selected = false;
mode.RemoveSelectedObject(this);
}
else
{
this.selected = true;
mode.AddSelectedObject(this);
}
}
// Return texture name
public string GetTextureName() { return ""; }
// Unused
public void OnSelectBegin() { }
public void OnEditBegin() { }
public void OnChangeTargetBrightness(bool up) { }
public void OnChangeTextureOffset(int horizontal, int vertical, bool doSurfaceAngleCorrection) { }
public void OnSelectTexture() { }
public void OnCopyTexture() { }
public void OnPasteTexture() { }
public void OnCopyTextureOffsets() { }
public void OnPasteTextureOffsets() { }
public void OnTextureAlign(bool alignx, bool aligny) { }
public void OnToggleUpperUnpegged() { }
public void OnToggleLowerUnpegged() { }
public void OnProcess(long deltatime) { }
public void OnTextureFloodfill() { }
public void OnInsert() { }
public void OnTextureFit(FitTextureOptions options) { } //mxd
public void ApplyTexture(string texture) { }
public void ApplyUpperUnpegged(bool set) { }
public void ApplyLowerUnpegged(bool set) { }
public void SelectNeighbours(bool select, bool withSameTexture, bool withSameHeight) { } //mxd
public virtual void OnPaintSelectEnd() { } // biwa
public void OnEditEnd() { }
public void OnChangeScale(int x, int y) { }
public void OnResetTextureOffset() { }
public void OnResetLocalTextureOffset() { }
public void OnCopyProperties() { }
public void OnPasteProperties(bool usecopysetting) { }
public void OnDelete() { }
public void OnPaintSelectBegin() { }
public void OnMouseMove(MouseEventArgs e) { }
#endregion
}
}