public static LuaSidedef NearestSidedef(LuaVector2D pos)
{
Sidedef side = MapSet.NearestSidedef(General.Map.Map.Sidedefs, pos.vec);
if (side == null)
{
return null;
}
return new LuaSidedef(side);
}
// This performs an accurate test for object picking
public override bool PickAccurate(Vector3D from, Vector3D to, Vector3D dir, ref float u_ray)
{
u_ray = pickrayu;
// Check on which side of the nearest sidedef we are
Sidedef sd = MapSet.NearestSidedef(Sector.Sector.Sidedefs, pickintersect);
float side = sd.Line.SideOfLine(pickintersect);
//mxd. Alpha based picking. Used only on extrafloors with transparent or masked textures
if ((side <= 0.0f && sd.IsFront) || (side > 0.0f && !sd.IsFront))
{
if (!BuilderPlug.Me.AlphaBasedTextureHighlighting || !Texture.IsImageLoaded || extrafloor == null || RenderPass == RenderPass.Solid || (!Texture.IsTranslucent && !Texture.IsMasked))
{
return(true);
}
// Some textures (e.g. HiResImage) may lie about their size, so use bitmap size instead
Bitmap image = Texture.GetBitmap();
lock (image)
{
// Fetch ZDoom fields
float rotate = Angle2D.DegToRad(level.sector.Fields.GetValue("rotationfloor", 0.0f));
Vector2D offset = new Vector2D(level.sector.Fields.GetValue("xpanningfloor", 0.0f), level.sector.Fields.GetValue("ypanningfloor", 0.0f));
Vector2D scale = new Vector2D(level.sector.Fields.GetValue("xscalefloor", 1.0f), level.sector.Fields.GetValue("yscalefloor", 1.0f));
Vector2D texscale = new Vector2D(1.0f / Texture.ScaledWidth, 1.0f / Texture.ScaledHeight);
// Texture coordinates
Vector2D o = pickintersect;
o = o.GetRotated(rotate);
o.y = -o.y;
o = (o + offset) * scale * texscale;
o.x = (o.x * image.Width) % image.Width;
o.y = (o.y * image.Height) % image.Height;
// Make sure coordinates are inside of texture dimensions...
if (o.x < 0)
{
o.x += image.Width;
}
if (o.y < 0)
{
o.y += image.Height;
}
// Make final texture coordinates...
int ox = General.Clamp((int)Math.Floor(o.x), 0, image.Width - 1);
int oy = General.Clamp((int)Math.Floor(o.y), 0, image.Height - 1);
// Check pixel alpha
return(image.GetPixel(ox, oy).A > 0);
}
}
return(false);
}
// This performs an accurate test for object picking
public override bool PickAccurate(Vector3D from, Vector3D to, Vector3D dir, ref float u_ray)
{
u_ray = pickrayu;
// Check on which side of the nearest sidedef we are
Sidedef sd = MapSet.NearestSidedef(Sector.Sector.Sidedefs, pickintersect);
float side = sd.Line.SideOfLine(pickintersect);
return(((side <= 0.0f) && sd.IsFront) || ((side > 0.0f) && !sd.IsFront));
}
public static LuaSector NearestSector(LuaVector2D pos)
{
Sidedef nearest_sidedef = MapSet.NearestSidedef(General.Map.Map.Sidedefs, pos.vec);
if (nearest_sidedef == null)
{
return null;
}
Sector sector = nearest_sidedef.Sector;
if (sector == null)
{
return null;
}
return new LuaSector(sector);
}
/// <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))
{
return(true);
}
}
return(false);
}
//mxd. Set as First wall
public virtual void OnSetFirstWall()
{
// Find nearest sidedef
Sidedef sd = MapSet.NearestSidedef(Sector.Sector.Sidedefs, pickintersect);
// Set it as FirstWall
if (sd != null)
{
// Make undo
mode.CreateUndo("Set First wall");
mode.SetActionResult("First wall assigned.");
// Set it
Sector.Sector.FirstWall = sd;
// Sector update required
Sector.Changed = true;
}
}
/// <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 double u_ray)
{
u_ray = pickrayu;
Sidedef sd = MapSet.NearestSidedef(sector.Sidedefs, pickintersect);
Vertex v = MapSet.NearestVertex(new Vertex[] { sd.Line.Start, sd.Line.End }, pickintersect);
if (v == vertex)
{
double side = sd.Line.SideOfLine(pickintersect);
if ((side <= 0.0f && sd.IsFront) || (side > 0.0f && !sd.IsFront))
{
return(true);
}
}
return(false);
}
