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In SRB2, indefinitely tiled middle textures can still be offset from the pegged plane

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This commit is contained in:
MascaraSnake 2016-06-02 19:42:35 +02:00
parent 4b9bf6f7ac
commit 9cf8014098
1 changed files with 35 additions and 18 deletions
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53
Source/Plugins/BuilderModes/VisualModes/VisualMiddleDouble.cs
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@ -150,29 +150,42 @@ namespace CodeImp.DoomBuilder.BuilderModes
// Determine if we should repeat the middle texture
bool srb2repeat = General.Map.SRB2 && Sidedef.Line.IsFlagSet(General.Map.Config.RepeatMidtextureFlag);
repeatmidtex = srb2repeat || Sidedef.IsFlagSet("wrapmidtex") || Sidedef.Line.IsFlagSet("wrapmidtex"); //mxd
if (!repeatmidtex || (srb2repeat && Sidedef.OffsetX >= 4096))
bool doomrepeat = !General.Map.SRB2 && Sidedef.IsFlagSet("wrapmidtex") || Sidedef.Line.IsFlagSet("wrapmidtex");
bool repeatmidtex = srb2repeat || doomrepeat;
//A little redundant, but having a separate boolean value for each case makes the code a little more readable
bool srb2repeatfixed = srb2repeat && Sidedef.OffsetX >= 4096;
bool srb2repeatindefinite = srb2repeat && !srb2repeatfixed;
float topheight = !General.Map.SRB2 || Sidedef.Line.IsFlagSet("128") ? geotop : geoplanetop;
float bottomheight = !General.Map.SRB2 || Sidedef.Line.IsFlagSet("128") ? geobottom : geoplanebottom;
if (!repeatmidtex || srb2repeatfixed) //Tile the texture a fixed number of times
{
float top = Sidedef.Line.IsFlagSet("128") ? geotop : geoplanetop;
float bottom = Sidedef.Line.IsFlagSet("128") ? geobottom : geoplanebottom;
// First determine the visible portion of the texture
//Due to the condition of the if-block, Sidedef.OffsetX >= 4096 automatically holds if srb2repeat does, so we don't have to handle negative offsets here.
repetitions = srb2repeat ? (Sidedef.OffsetX / 4096) + 1 : 1;
// How often is it tiled?
repetitions = srb2repeatfixed ? (Sidedef.OffsetX / 4096) + 1 : 1;
// Determine top portion height
if (IsLowerUnpegged())
textop = bottom + tof.y + repetitions * Math.Abs(tsz.y);
textop = bottomheight + tof.y + repetitions * Math.Abs(tsz.y);
else
textop = top + tof.y;
textop = topheight + tof.y;
// Calculate bottom portion height
texbottom = textop - repetitions * Math.Abs(tsz.y);
}
else
else //Fill up the whole gap
{
repetitions = (geotop - geobottom) / Math.Abs(tsz.y);
if ((geotop - geobottom) % Math.Abs(tsz.y) != 0)
repetitions++; // tile an extra time to fill the gap
if (srb2repeatindefinite) //Still consider offsets
{
if (IsLowerUnpegged())
texbottom = bottomheight + tof.y;
else
textop = topheight + tof.y;
}
}
float h = Math.Min(textop, geoplanetop);
@ -280,22 +293,23 @@ namespace CodeImp.DoomBuilder.BuilderModes
CropPoly(ref poly, osd.Floor.plane, true);
//Repeat middle texture
if(!repeatmidtex || (srb2repeat && Sidedef.OffsetX >= 4096))
if (!doomrepeat) //Need to crop at least some part of the texture
{
// Create crop planes (we also need these for intersection testing)
if (!Sidedef.Line.IsFlagSet("128"))
if (!Sidedef.Line.IsFlagSet("128")) //Skew the texture according to the slope
{
if (IsLowerUnpegged())
if (IsLowerUnpegged()) //Skew according to floor
{
bottomclipplane = sd.Floor.plane.GetZ(vl) > osd.Floor.plane.GetZ(vl) ? sd.Floor.plane : osd.Floor.plane;
Vector3D up = new Vector3D(0f, 0f, texbottom - bottomclipplane.GetZ(vl));
bottomclipplane.Offset -= Vector3D.DotProduct(up, bottomclipplane.Normal);
topclipplane = bottomclipplane.GetInverted();
Vector3D up2 = new Vector3D(0f, 0f, textop - texbottom);
topclipplane.Offset -= Vector3D.DotProduct(up2, topclipplane.Normal);
}
else
else //Skew according to ceiling
{
topclipplane = sd.Ceiling.plane.GetZ(vl) < osd.Ceiling.plane.GetZ(vl) ? sd.Ceiling.plane : osd.Ceiling.plane;
Vector3D up = new Vector3D(0f, 0f, textop - topclipplane.GetZ(vl));
@ -306,15 +320,18 @@ namespace CodeImp.DoomBuilder.BuilderModes
bottomclipplane.Offset -= Vector3D.DotProduct(down, bottomclipplane.Normal);
}
}
else
else //Don't skew textures
{
topclipplane = new Plane(new Vector3D(0, 0, -1), textop);
bottomclipplane = new Plane(new Vector3D(0, 0, 1), -texbottom);
}
// Crop polygon by these heights
CropPoly(ref poly, topclipplane, true);
CropPoly(ref poly, bottomclipplane, true);
// In SRB2, if the texture is tiled indefinitely, only crop towards the plane it's pegged to
if (!srb2repeatindefinite || !IsLowerUnpegged())
CropPoly(ref poly, topclipplane, true);
if (!srb2repeatindefinite || IsLowerUnpegged())
CropPoly(ref poly, bottomclipplane, true);
}
//mxd. In(G)ZDoom, middle sidedef parts are not clipped by extrafloors of any type...