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Improve camera sector search somewhat

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This commit is contained in:
Magnus Norddahl 2019-12-26 01:10:00 +01:00
parent 459742c840
commit 061fa30a45
1 changed files with 49 additions and 39 deletions
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20
Source/Core/VisualModes/VisualMode.cs
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@ -593,8 +593,17 @@ namespace CodeImp.DoomBuilder.VisualModes
if(processgeometry)
{
// Find camera sector
Sector camsector = blockmap.GetSectorAt(campos2d);
if (camsector != null)
{
General.Map.VisualCamera.Sector = camsector;
}
else
{
// To do: fix this code. It is retarded. Walking over all visible lines is extremely expensive.
Linedef nld = MapSet.NearestLinedef(visiblelines, campos2d);
if(nld != null)
if (nld != null)
{
General.Map.VisualCamera.Sector = GetCameraSectorFromLinedef(nld);
}
@ -606,15 +615,15 @@ namespace CodeImp.DoomBuilder.VisualModes
// Here we handle this special case with brute-force. Let's find the sector
// the camera is in by searching the entire map and render that sector only.
nld = General.Map.Map.NearestLinedef(campos2d);
if(nld != null)
if (nld != null)
{
General.Map.VisualCamera.Sector = GetCameraSectorFromLinedef(nld);
if(General.Map.VisualCamera.Sector != null)
if (General.Map.VisualCamera.Sector != null)
{
foreach(Sidedef sd in General.Map.VisualCamera.Sector.Sidedefs)
foreach (Sidedef sd in General.Map.VisualCamera.Sector.Sidedefs)
{
float side = sd.Line.SideOfLine(campos2d);
if(((side < 0) && sd.IsFront) ||
if (((side < 0) && sd.IsFront) ||
((side > 0) && !sd.IsFront))
ProcessSidedefCulling(sd);
}
@ -633,6 +642,7 @@ namespace CodeImp.DoomBuilder.VisualModes
}
}
}
}
// This finds and adds visible sectors
private void ProcessSidedefCulling(Sidedef sd)