// This builds the geometry. Returns false when no geometry created.
public override bool Setup()
{
//mxd
if (Sidedef.LongMiddleTexture == MapSet.EmptyLongName)
{
base.SetVertices(null);
return(false);
}
Vector2D vl, vr;
//mxd. lightfog flag support
int lightvalue;
bool lightabsolute;
GetLightValue(out lightvalue, out lightabsolute);
Vector2D tscale = new Vector2D(Sidedef.Fields.GetValue("scalex_mid", 1.0f),
Sidedef.Fields.GetValue("scaley_mid", 1.0f));
Vector2D tscaleAbs = new Vector2D(Math.Abs(tscale.x), Math.Abs(tscale.y));
Vector2D toffset = new Vector2D(Sidedef.Fields.GetValue("offsetx_mid", 0.0f),
Sidedef.Fields.GetValue("offsety_mid", 0.0f));
// Left and right vertices for this sidedef
if (Sidedef.IsFront)
{
vl = new Vector2D(Sidedef.Line.Start.Position.x, Sidedef.Line.Start.Position.y);
vr = new Vector2D(Sidedef.Line.End.Position.x, Sidedef.Line.End.Position.y);
}
else
{
vl = new Vector2D(Sidedef.Line.End.Position.x, Sidedef.Line.End.Position.y);
vr = new Vector2D(Sidedef.Line.Start.Position.x, Sidedef.Line.Start.Position.y);
}
// Load sector data
SectorData sd = mode.GetSectorData(Sidedef.Sector);
SectorData osd = mode.GetSectorData(Sidedef.Other.Sector);
if (!osd.Updated)
{
osd.Update();
}
// Load texture
if (Sidedef.LongMiddleTexture != MapSet.EmptyLongName)
{
base.Texture = General.Map.Data.GetTextureImage(Sidedef.LongMiddleTexture);
if (base.Texture == null || base.Texture is UnknownImage)
{
base.Texture = General.Map.Data.UnknownTexture3D;
setuponloadedtexture = Sidedef.LongMiddleTexture;
}
else if (!base.Texture.IsImageLoaded)
{
setuponloadedtexture = Sidedef.LongMiddleTexture;
}
}
else
{
// Use missing texture
base.Texture = General.Map.Data.MissingTexture3D;
setuponloadedtexture = 0;
}
// Get texture scaled size
Vector2D tsz = new Vector2D(base.Texture.ScaledWidth, base.Texture.ScaledHeight);
tsz = tsz / tscale;
// Get texture offsets
Vector2D tof = new Vector2D(Sidedef.OffsetX, Sidedef.OffsetY);
tof = tof + toffset;
// biwa. Also take the ForceWorldPanning MAPINFO entry into account
if (General.Map.Config.ScaledTextureOffsets && (!base.Texture.WorldPanning && !General.Map.Data.MapInfo.ForceWorldPanning))
{
tof = tof / tscaleAbs;
tof = tof * base.Texture.Scale;
}
// Determine texture coordinates plane as they would be in normal circumstances.
// We can then use this plane to find any texture coordinate we need.
// The logic here is the same as in the original VisualMiddleSingle (except that
// the values are stored in a TexturePlane)
// NOTE: I use a small bias for the floor height, because if the difference in
// height is 0 then the TexturePlane doesn't work!
TexturePlane tp = new TexturePlane();
float floorbias = (Sidedef.Sector.CeilHeight == Sidedef.Sector.FloorHeight) ? 1.0f : 0.0f;
float geotop = Math.Min(Sidedef.Sector.CeilHeight, Sidedef.Other.Sector.CeilHeight);
float geobottom = Math.Max(Sidedef.Sector.FloorHeight, Sidedef.Other.Sector.FloorHeight);
float zoffset = Sidedef.Sector.CeilHeight - Sidedef.Other.Sector.CeilHeight; //mxd
// When lower unpegged is set, the middle texture is bound to the bottom
if (Sidedef.Line.IsFlagSet(General.Map.Config.LowerUnpeggedFlag))
{
tp.tlt.y = tsz.y - (geotop - geobottom);
}
if (zoffset > 0)
{
tp.tlt.y -= zoffset; //mxd
}
tp.trb.x = tp.tlt.x + (float)Math.Round(Sidedef.Line.Length); //mxd. (G)ZDoom snaps texture coordinates to integral linedef length
tp.trb.y = tp.tlt.y + (Sidedef.Sector.CeilHeight - (Sidedef.Sector.FloorHeight + floorbias));
// Apply texture offset
tp.tlt += tof;
tp.trb += tof;
// Transform pixel coordinates to texture coordinates
tp.tlt /= tsz;
tp.trb /= tsz;
// Left top and right bottom of the geometry that
tp.vlt = new Vector3D(vl.x, vl.y, Sidedef.Sector.CeilHeight);
tp.vrb = new Vector3D(vr.x, vr.y, Sidedef.Sector.FloorHeight + floorbias);
// Make the right-top coordinates
tp.trt = new Vector2D(tp.trb.x, tp.tlt.y);
tp.vrt = new Vector3D(tp.vrb.x, tp.vrb.y, tp.vlt.z);
// Keep top and bottom planes for intersection testing
top = sd.Ceiling.plane;
bottom = sd.Floor.plane;
// Create initial polygon, which is just a quad between floor and ceiling
WallPolygon poly = new WallPolygon();
poly.Add(new Vector3D(vl.x, vl.y, sd.Floor.plane.GetZ(vl)));
poly.Add(new Vector3D(vl.x, vl.y, sd.Ceiling.plane.GetZ(vl)));
poly.Add(new Vector3D(vr.x, vr.y, sd.Ceiling.plane.GetZ(vr)));
poly.Add(new Vector3D(vr.x, vr.y, sd.Floor.plane.GetZ(vr)));
// Determine initial color
int lightlevel = lightabsolute ? lightvalue : sd.Ceiling.brightnessbelow + lightvalue;
//mxd. This calculates light with doom-style wall shading
PixelColor wallbrightness = PixelColor.FromInt(mode.CalculateBrightness(lightlevel, Sidedef));
PixelColor wallcolor = PixelColor.Modulate(sd.Ceiling.colorbelow, wallbrightness);
fogfactor = CalculateFogFactor(lightlevel);
poly.color = wallcolor.WithAlpha(255).ToInt();
// Cut off the part below the other floor and above the other ceiling
CropPoly(ref poly, osd.Ceiling.plane, true);
CropPoly(ref poly, osd.Floor.plane, true);
// Determine if we should repeat the middle texture. In UDMF this is done with a flag, in Hexen with
// a argument to the 121:Line_SetIdentification. See https://www.zdoom.org/w/index.php?title=Line_SetIdentification
if (General.Map.UDMF)
{
repeatmidtex = Sidedef.IsFlagSet("wrapmidtex") || Sidedef.Line.IsFlagSet("wrapmidtex"); //mxd
}
else if (General.Map.HEXEN)
{
repeatmidtex = Sidedef.Line.Action == 121 && (Sidedef.Line.Args[1] & 16) == 16;
}
else
{
repeatmidtex = false;
}
if (!repeatmidtex)
{
// First determine the visible portion of the texture
float textop;
// Determine top portion height
if (Sidedef.Line.IsFlagSet(General.Map.Config.LowerUnpeggedFlag))
{
textop = geobottom + tof.y + Math.Abs(tsz.y);
}
else
{
textop = geotop + tof.y;
}
// Calculate bottom portion height
float texbottom = textop - Math.Abs(tsz.y);
// Create crop planes (we also need these for intersection testing)
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);
}
//mxd. In(G)ZDoom, middle sidedef parts are not clipped by extrafloors of any type...
List <WallPolygon> polygons = new List <WallPolygon> {
poly
};
//ClipExtraFloors(polygons, sd.ExtraFloors, true); //mxd
//ClipExtraFloors(polygons, osd.ExtraFloors, true); //mxd
//if(polygons.Count > 0)
//{
// Keep top and bottom planes for intersection testing
top = osd.Ceiling.plane;
bottom = osd.Floor.plane;
// Process the polygon and create vertices
List <WorldVertex> verts = CreatePolygonVertices(polygons, tp, sd, lightvalue, lightabsolute);
if (verts.Count > 2)
{
// Apply alpha to vertices
byte alpha = SetLinedefRenderstyle(true);
if (alpha < 255)
{
for (int i = 0; i < verts.Count; i++)
{
WorldVertex v = verts[i];
v.c = PixelColor.FromInt(v.c).WithAlpha(alpha).ToInt();
verts[i] = v;
}
}
base.SetVertices(verts);
return(true);
}
//}
base.SetVertices(null); //mxd
return(false);
}
// This builds the geometry. Returns false when no geometry created.
public override bool Setup()
{
if (!IsFogBoundary())
{
return(false);
}
//mxd. lightfog flag support
int lightvalue;
bool lightabsolute;
GetLightValue(out lightvalue, out lightabsolute);
// Left and right vertices for this sidedef
Vector2D vl, vr;
if (Sidedef.IsFront)
{
vl = new Vector2D(Sidedef.Line.Start.Position.x, Sidedef.Line.Start.Position.y);
vr = new Vector2D(Sidedef.Line.End.Position.x, Sidedef.Line.End.Position.y);
}
else
{
vl = new Vector2D(Sidedef.Line.End.Position.x, Sidedef.Line.End.Position.y);
vr = new Vector2D(Sidedef.Line.Start.Position.x, Sidedef.Line.Start.Position.y);
}
// Load sector data
SectorData sd = mode.GetSectorData(Sidedef.Sector);
SectorData osd = mode.GetSectorData(Sidedef.Other.Sector);
if (!osd.Updated)
{
osd.Update();
}
// Set texture
base.Texture = General.Map.Data.BlackTexture;
// Determine texture coordinates plane as they would be in normal circumstances.
TexturePlane tp = new TexturePlane();
float floorbias = (Sidedef.Sector.CeilHeight == Sidedef.Sector.FloorHeight) ? 1.0f : 0.0f;
float zoffset = Sidedef.Sector.CeilHeight - Sidedef.Other.Sector.CeilHeight; //mxd
if (zoffset > 0)
{
tp.tlt.y -= zoffset; //mxd
}
tp.trb.x = tp.tlt.x + Sidedef.Line.Length;
tp.trb.y = tp.tlt.y + (Sidedef.Sector.CeilHeight - (Sidedef.Sector.FloorHeight + floorbias));
// Left top and right bottom of the geometry that
tp.vlt = new Vector3D(vl.x, vl.y, Sidedef.Sector.CeilHeight);
tp.vrb = new Vector3D(vr.x, vr.y, Sidedef.Sector.FloorHeight + floorbias);
// Make the right-top coordinates
tp.trt = new Vector2D(tp.trb.x, tp.tlt.y);
tp.vrt = new Vector3D(tp.vrb.x, tp.vrb.y, tp.vlt.z);
// Keep top and bottom planes for intersection testing
top = sd.Ceiling.plane;
bottom = sd.Floor.plane;
// Create initial polygon, which is just a quad between floor and ceiling
WallPolygon poly = new WallPolygon();
poly.Add(new Vector3D(vl.x, vl.y, sd.Floor.plane.GetZ(vl)));
poly.Add(new Vector3D(vl.x, vl.y, sd.Ceiling.plane.GetZ(vl)));
poly.Add(new Vector3D(vr.x, vr.y, sd.Ceiling.plane.GetZ(vr)));
poly.Add(new Vector3D(vr.x, vr.y, sd.Floor.plane.GetZ(vr)));
// Determine initial color
int lightlevel = sd.Ceiling.brightnessbelow + lightvalue;
// Calculate fog density
fogfactor = CalculateFogFactor(lightlevel);
poly.color = PixelColor.INT_WHITE;
// Cut off the part below the other floor and above the other ceiling
CropPoly(ref poly, osd.Ceiling.plane, true);
CropPoly(ref poly, osd.Floor.plane, true);
List <WallPolygon> polygons = new List <WallPolygon> {
poly
};
// Keep top and bottom planes for intersection testing
top = osd.Ceiling.plane;
bottom = osd.Floor.plane;
// Process the polygon and create vertices
List <WorldVertex> verts = CreatePolygonVertices(polygons, tp, sd, lightvalue, lightabsolute);
if (verts.Count > 2)
{
base.SetVertices(verts);
return(true);
}
base.SetVertices(null);
return(false);
}
// This builds the geometry. Returns false when no geometry created.
public override bool Setup()
{
Vector2D vl, vr;
//mxd. Apply sky hack?
UpdateSkyRenderFlag();
//mxd. lightfog flag support
int lightvalue;
bool lightabsolute;
GetLightValue(out lightvalue, out lightabsolute);
Vector2D tscale = new Vector2D(Sidedef.Fields.GetValue("scalex_mid", 1.0f),
Sidedef.Fields.GetValue("scaley_mid", 1.0f));
Vector2D toffset = new Vector2D(Sidedef.Fields.GetValue("offsetx_mid", 0.0f),
Sidedef.Fields.GetValue("offsety_mid", 0.0f));
// Left and right vertices for this sidedef
if (Sidedef.IsFront)
{
vl = new Vector2D(Sidedef.Line.Start.Position.x, Sidedef.Line.Start.Position.y);
vr = new Vector2D(Sidedef.Line.End.Position.x, Sidedef.Line.End.Position.y);
}
else
{
vl = new Vector2D(Sidedef.Line.End.Position.x, Sidedef.Line.End.Position.y);
vr = new Vector2D(Sidedef.Line.Start.Position.x, Sidedef.Line.Start.Position.y);
}
// Load sector data
SectorData sd = mode.GetSectorData(Sidedef.Sector);
// Texture given?
if (Sidedef.LongMiddleTexture != MapSet.EmptyLongName)
{
// Load texture
base.Texture = General.Map.Data.GetTextureImage(Sidedef.LongMiddleTexture);
if (base.Texture == null || base.Texture is UnknownImage)
{
base.Texture = General.Map.Data.UnknownTexture3D;
setuponloadedtexture = Sidedef.LongMiddleTexture;
}
else
{
if (!base.Texture.IsImageLoaded)
{
setuponloadedtexture = Sidedef.LongMiddleTexture;
}
}
}
else
{
// Use missing texture
base.Texture = General.Map.Data.MissingTexture3D;
setuponloadedtexture = 0;
}
// Get texture scaled size
Vector2D tsz = new Vector2D(base.Texture.ScaledWidth, base.Texture.ScaledHeight);
tsz = tsz / tscale;
// Get texture offsets
Vector2D tof = new Vector2D(Sidedef.OffsetX, Sidedef.OffsetY);
tof = tof + toffset;
tof = tof / tscale;
if (General.Map.Config.ScaledTextureOffsets && !base.Texture.WorldPanning)
{
tof = tof * base.Texture.Scale;
}
// Determine texture coordinates plane as they would be in normal circumstances.
// We can then use this plane to find any texture coordinate we need.
// The logic here is the same as in the original VisualMiddleSingle (except that
// the values are stored in a TexturePlane)
// NOTE: I use a small bias for the floor height, because if the difference in
// height is 0 then the TexturePlane doesn't work!
TexturePlane tp = new TexturePlane();
float floorbias = (Sidedef.Sector.CeilHeight == Sidedef.Sector.FloorHeight) ? 1.0f : 0.0f;
if (Sidedef.Line.IsFlagSet(General.Map.Config.LowerUnpeggedFlag))
{
// When lower unpegged is set, the middle texture is bound to the bottom
tp.tlt.y = tsz.y - (Sidedef.Sector.CeilHeight - Sidedef.Sector.FloorHeight);
}
tp.trb.x = tp.tlt.x + (float)Math.Round(Sidedef.Line.Length); //mxd. (G)ZDoom snaps texture coordinates to integral linedef length
tp.trb.y = tp.tlt.y + (Sidedef.Sector.CeilHeight - (Sidedef.Sector.FloorHeight + floorbias));
// Apply texture offset
tp.tlt += tof;
tp.trb += tof;
// Transform pixel coordinates to texture coordinates
tp.tlt /= tsz;
tp.trb /= tsz;
// Left top and right bottom of the geometry that
tp.vlt = new Vector3D(vl.x, vl.y, Sidedef.Sector.CeilHeight);
tp.vrb = new Vector3D(vr.x, vr.y, Sidedef.Sector.FloorHeight + floorbias);
// Make the right-top coordinates
tp.trt = new Vector2D(tp.trb.x, tp.tlt.y);
tp.vrt = new Vector3D(tp.vrb.x, tp.vrb.y, tp.vlt.z);
// Get ceiling and floor heights
float fl = sd.Floor.plane.GetZ(vl);
float fr = sd.Floor.plane.GetZ(vr);
float cl = sd.Ceiling.plane.GetZ(vl);
float cr = sd.Ceiling.plane.GetZ(vr);
// Anything to see?
if (((cl - fl) > 0.01f) || ((cr - fr) > 0.01f))
{
// Keep top and bottom planes for intersection testing
top = sd.Ceiling.plane;
bottom = sd.Floor.plane;
// Create initial polygon, which is just a quad between floor and ceiling
WallPolygon poly = new WallPolygon();
poly.Add(new Vector3D(vl.x, vl.y, fl));
poly.Add(new Vector3D(vl.x, vl.y, cl));
poly.Add(new Vector3D(vr.x, vr.y, cr));
poly.Add(new Vector3D(vr.x, vr.y, fr));
// Determine initial color
int lightlevel = lightabsolute ? lightvalue : sd.Ceiling.brightnessbelow + lightvalue;
//mxd. This calculates light with doom-style wall shading
PixelColor wallbrightness = PixelColor.FromInt(mode.CalculateBrightness(lightlevel, Sidedef));
PixelColor wallcolor = PixelColor.Modulate(sd.Ceiling.colorbelow, wallbrightness);
fogfactor = CalculateFogFactor(lightlevel);
poly.color = wallcolor.WithAlpha(255).ToInt();
// Cut out pieces that overlap 3D floors in this sector
List <WallPolygon> polygons = new List <WallPolygon> {
poly
};
ClipExtraFloors(polygons, sd.ExtraFloors, false); //mxd
if (polygons.Count > 0)
{
// Process the polygon and create vertices
List <WorldVertex> verts = CreatePolygonVertices(polygons, tp, sd, lightvalue, lightabsolute);
if (verts.Count > 2)
{
base.SetVertices(verts);
return(true);
}
}
}
base.SetVertices(null); //mxd
return(false);
}
public bool Setup(Effect3DFloor extrafloor)
{
Sidedef sourceside = extrafloor.Linedef.Front;
this.extrafloor = extrafloor;
//mxd. Extrafloor may've become invalid during undo/redo...
if (sourceside == null)
{
base.SetVertices(null);
return(false);
}
Vector2D vl, vr;
//mxd. lightfog flag support
int lightvalue;
bool lightabsolute;
GetLightValue(out lightvalue, out lightabsolute);
Vector2D tscale = new Vector2D(sourceside.Fields.GetValue("scalex_mid", 1.0f),
sourceside.Fields.GetValue("scaley_mid", 1.0f));
Vector2D tscaleAbs = new Vector2D(Math.Abs(tscale.x), Math.Abs(tscale.y));
Vector2D toffset1 = new Vector2D(Sidedef.Fields.GetValue("offsetx_mid", 0.0f),
Sidedef.Fields.GetValue("offsety_mid", 0.0f));
Vector2D toffset2 = new Vector2D(sourceside.Fields.GetValue("offsetx_mid", 0.0f),
sourceside.Fields.GetValue("offsety_mid", 0.0f));
// Left and right vertices for this sidedef
if (Sidedef.IsFront)
{
vl = new Vector2D(Sidedef.Line.Start.Position.x, Sidedef.Line.Start.Position.y);
vr = new Vector2D(Sidedef.Line.End.Position.x, Sidedef.Line.End.Position.y);
}
else
{
vl = new Vector2D(Sidedef.Line.End.Position.x, Sidedef.Line.End.Position.y);
vr = new Vector2D(Sidedef.Line.Start.Position.x, Sidedef.Line.Start.Position.y);
}
// Load sector data
SectorData sd = mode.GetSectorData(Sidedef.Sector);
//mxd. which texture we must use?
long texturelong = 0;
if ((sourceside.Line.Args[2] & (int)Effect3DFloor.Flags.UseUpperTexture) != 0)
{
if (Sidedef.LongHighTexture != MapSet.EmptyLongName)
{
texturelong = Sidedef.LongHighTexture;
}
}
else if ((sourceside.Line.Args[2] & (int)Effect3DFloor.Flags.UseLowerTexture) != 0)
{
if (Sidedef.LongLowTexture != MapSet.EmptyLongName)
{
texturelong = Sidedef.LongLowTexture;
}
}
else if (sourceside.LongMiddleTexture != MapSet.EmptyLongName)
{
texturelong = sourceside.LongMiddleTexture;
}
// Texture given?
if (texturelong != 0)
{
// Load texture
base.Texture = General.Map.Data.GetTextureImage(texturelong);
if (base.Texture == null || base.Texture is UnknownImage)
{
base.Texture = General.Map.Data.UnknownTexture3D;
setuponloadedtexture = texturelong;
}
else if (!base.Texture.IsImageLoaded)
{
setuponloadedtexture = texturelong;
}
}
else
{
// Use missing texture
base.Texture = General.Map.Data.MissingTexture3D;
setuponloadedtexture = 0;
}
// Get texture scaled size
Vector2D tsz = new Vector2D(base.Texture.ScaledWidth, base.Texture.ScaledHeight);
tsz = tsz / tscale;
// Get texture offsets
Vector2D tof = new Vector2D(Sidedef.OffsetX, Sidedef.OffsetY) + new Vector2D(sourceside.OffsetX, sourceside.OffsetY);
tof = tof + toffset1 + toffset2;
tof = tof / tscaleAbs;
if (General.Map.Config.ScaledTextureOffsets && !base.Texture.WorldPanning)
{
tof = tof * base.Texture.Scale;
}
// For Vavoom type 3D floors the ceiling is lower than floor and they are reversed.
// We choose here.
float sourcetopheight = extrafloor.VavoomType ? sourceside.Sector.FloorHeight : sourceside.Sector.CeilHeight;
float sourcebottomheight = extrafloor.VavoomType ? sourceside.Sector.CeilHeight : sourceside.Sector.FloorHeight;
// Determine texture coordinates plane as they would be in normal circumstances.
// We can then use this plane to find any texture coordinate we need.
// The logic here is the same as in the original VisualMiddleSingle (except that
// the values are stored in a TexturePlane)
// NOTE: I use a small bias for the floor height, because if the difference in
// height is 0 then the TexturePlane doesn't work!
TexturePlane tp = new TexturePlane();
float floorbias = (sourcetopheight == sourcebottomheight) ? 1.0f : 0.0f;
tp.trb.x = tp.tlt.x + (float)Math.Round(Sidedef.Line.Length); //mxd. (G)ZDoom snaps texture coordinates to integral linedef length
tp.trb.y = tp.tlt.y + (sourcetopheight - sourcebottomheight) + floorbias;
// Apply texture offset
tp.tlt += tof;
tp.trb += tof;
// Transform pixel coordinates to texture coordinates
tp.tlt /= tsz;
tp.trb /= tsz;
// Left top and right bottom of the geometry that
tp.vlt = new Vector3D(vl.x, vl.y, sourcetopheight);
tp.vrb = new Vector3D(vr.x, vr.y, sourcebottomheight + floorbias);
// Make the right-top coordinates
tp.trt = new Vector2D(tp.trb.x, tp.tlt.y);
tp.vrt = new Vector3D(tp.vrb.x, tp.vrb.y, tp.vlt.z);
//mxd. Get ceiling and floor heights. Use our and neighbour sector's data
SectorData sdo = mode.GetSectorData(Sidedef.Other.Sector);
float flo = sdo.Floor.plane.GetZ(vl);
float fro = sdo.Floor.plane.GetZ(vr);
float clo = sdo.Ceiling.plane.GetZ(vl);
float cro = sdo.Ceiling.plane.GetZ(vr);
float fle = sd.Floor.plane.GetZ(vl);
float fre = sd.Floor.plane.GetZ(vr);
float cle = sd.Ceiling.plane.GetZ(vl);
float cre = sd.Ceiling.plane.GetZ(vr);
float fl = flo > fle ? flo : fle;
float fr = fro > fre ? fro : fre;
float cl = clo < cle ? clo : cle;
float cr = cro < cre ? cro : cre;
// Anything to see?
if (((cl - fl) > 0.01f) || ((cr - fr) > 0.01f))
{
// Keep top and bottom planes for intersection testing
top = extrafloor.Floor.plane;
bottom = extrafloor.Ceiling.plane;
// Create initial polygon, which is just a quad between floor and ceiling
WallPolygon poly = new WallPolygon();
poly.Add(new Vector3D(vl.x, vl.y, fl));
poly.Add(new Vector3D(vl.x, vl.y, cl));
poly.Add(new Vector3D(vr.x, vr.y, cr));
poly.Add(new Vector3D(vr.x, vr.y, fr));
// Determine initial color
int lightlevel = lightabsolute ? lightvalue : sd.Ceiling.brightnessbelow + lightvalue;
//mxd. This calculates light with doom-style wall shading
PixelColor wallbrightness = PixelColor.FromInt(mode.CalculateBrightness(lightlevel, Sidedef));
PixelColor wallcolor = PixelColor.Modulate(sd.Ceiling.colorbelow, wallbrightness);
fogfactor = CalculateFogFactor(lightlevel);
poly.color = wallcolor.WithAlpha(255).ToInt();
// Cut off the part above the 3D floor and below the 3D ceiling
CropPoly(ref poly, extrafloor.Floor.plane, false);
CropPoly(ref poly, extrafloor.Ceiling.plane, false);
// Cut out pieces that overlap 3D floors in this sector
List <WallPolygon> polygons = new List <WallPolygon> {
poly
};
bool translucent = (extrafloor.RenderAdditive || extrafloor.Alpha < 255);
foreach (Effect3DFloor ef in sd.ExtraFloors)
{
//mxd. Our poly should be clipped when our ond other extrafloors are both solid or both translucent,
// or when only our extrafloor is translucent.
// Our poly should not be clipped when our extrafloor is translucent and the other one isn't and both have renderinside setting.
bool othertranslucent = (ef.RenderAdditive || ef.Alpha < 255);
if (translucent && !othertranslucent && !ef.ClipSidedefs)
{
continue;
}
if (ef.ClipSidedefs == extrafloor.ClipSidedefs || ef.ClipSidedefs)
{
//TODO: find out why ef can be not updated at this point
//TODO: [this crashed on me once when performing auto-align on myriad of textures on BoA C1M0]
if (ef.Floor == null || ef.Ceiling == null)
{
ef.Update();
}
int num = polygons.Count;
for (int pi = 0; pi < num; pi++)
{
// Split by floor plane of 3D floor
WallPolygon p = polygons[pi];
WallPolygon np = SplitPoly(ref p, ef.Ceiling.plane, true);
if (np.Count > 0)
{
// Split part below floor by the ceiling plane of 3D floor
// and keep only the part below the ceiling (front)
SplitPoly(ref np, ef.Floor.plane, true);
if (p.Count == 0)
{
polygons[pi] = np;
}
else
{
polygons[pi] = p;
polygons.Add(np);
}
}
else
{
polygons[pi] = p;
}
}
}
}
// Process the polygon and create vertices
if (polygons.Count > 0)
{
List <WorldVertex> verts = CreatePolygonVertices(polygons, tp, sd, lightvalue, lightabsolute);
if (verts.Count > 2)
{
if (extrafloor.Sloped3dFloor)
{
this.RenderPass = RenderPass.Mask; //mxd
}
else if (extrafloor.RenderAdditive)
{
this.RenderPass = RenderPass.Additive; //mxd
}
else if ((extrafloor.Alpha < 255) || Texture.IsTranslucent)
{
this.RenderPass = RenderPass.Alpha; // [ZZ] translucent texture should trigger Alpha pass
}
else
{
this.RenderPass = RenderPass.Mask;
}
if (extrafloor.Alpha < 255)
{
// Apply alpha to vertices
byte alpha = (byte)General.Clamp(extrafloor.Alpha, 0, 255);
if (alpha < 255)
{
for (int i = 0; i < verts.Count; i++)
{
WorldVertex v = verts[i];
v.c = PixelColor.FromInt(v.c).WithAlpha(alpha).ToInt();
verts[i] = v;
}
}
}
base.SetVertices(verts);
return(true);
}
}
}
base.SetVertices(null); //mxd
return(false);
}
// This builds the geometry. Returns false when no geometry created.
public override bool Setup()
{
Vector2D vl, vr;
// Left and right vertices for this sidedef
if (Sidedef.IsFront)
{
vl = new Vector2D(Sidedef.Line.Start.Position.x, Sidedef.Line.Start.Position.y);
vr = new Vector2D(Sidedef.Line.End.Position.x, Sidedef.Line.End.Position.y);
}
else
{
vl = new Vector2D(Sidedef.Line.End.Position.x, Sidedef.Line.End.Position.y);
vr = new Vector2D(Sidedef.Line.Start.Position.x, Sidedef.Line.Start.Position.y);
}
// Load sector data
SectorData sd = Sector.GetSectorData();
SectorData osd = mode.GetSectorData(Sidedef.Other.Sector);
if (!osd.Updated)
{
osd.Update();
}
//mxd
double vlzf = sd.Floor.plane.GetZ(vl);
double vrzf = sd.Floor.plane.GetZ(vr);
double ovlzf = osd.Floor.plane.GetZ(vl);
double ovrzf = osd.Floor.plane.GetZ(vr);
//mxd. Side is visible when our sector's floor is lower than the other's at any vertex
if (!(vlzf < ovlzf || vrzf < ovrzf))
{
base.SetVertices(null);
return(false);
}
// Apply sky hack?
UpdateSkyRenderFlag();
//mxd. lightfog flag support
int lightvalue;
bool lightabsolute;
GetLightValue(out lightvalue, out lightabsolute);
Vector2D tscale = new Vector2D(Sidedef.Fields.GetValue("scalex_bottom", 1.0),
Sidedef.Fields.GetValue("scaley_bottom", 1.0));
Vector2D tscaleAbs = new Vector2D(Math.Abs(tscale.x), Math.Abs(tscale.y));
Vector2D toffset = new Vector2D(Sidedef.Fields.GetValue("offsetx_bottom", 0.0),
Sidedef.Fields.GetValue("offsety_bottom", 0.0));
// Texture given?
if (Sidedef.LongLowTexture != MapSet.EmptyLongName)
{
// Load texture
base.Texture = General.Map.Data.GetTextureImage(Sidedef.LongLowTexture);
if (base.Texture == null || base.Texture is UnknownImage)
{
base.Texture = General.Map.Data.UnknownTexture3D;
setuponloadedtexture = Sidedef.LongLowTexture;
}
else if (!base.Texture.IsImageLoaded)
{
setuponloadedtexture = Sidedef.LongLowTexture;
}
}
else
{
// Use missing texture
base.Texture = General.Map.Data.MissingTexture3D;
setuponloadedtexture = 0;
}
// Get texture scaled size. Round up, because that's apparently what GZDoom does
Vector2D tsz = new Vector2D(Math.Ceiling(base.Texture.ScaledWidth / tscale.x), Math.Ceiling(base.Texture.ScaledHeight / tscale.y));
// Get texture offsets
Vector2D tof = new Vector2D(Sidedef.OffsetX, Sidedef.OffsetY);
tof = tof + toffset;
// biwa. Also take the ForceWorldPanning MAPINFO entry into account
if (General.Map.Config.ScaledTextureOffsets && (!base.Texture.WorldPanning && !General.Map.Data.MapInfo.ForceWorldPanning))
{
tof = tof / tscaleAbs;
tof = tof * base.Texture.Scale;
// If the texture gets replaced with a "hires" texture it adds more fuckery
if (base.Texture is HiResImage)
{
tof *= tscaleAbs;
}
// Round up, since that's apparently what GZDoom does. Not sure if this is the right place or if it also has to be done earlier
tof = new Vector2D(Math.Ceiling(tof.x), Math.Ceiling(tof.y));
}
// Determine texture coordinates plane as they would be in normal circumstances.
// We can then use this plane to find any texture coordinate we need.
// The logic here is the same as in the original VisualMiddleSingle (except that
// the values are stored in a TexturePlane)
// NOTE: I use a small bias for the floor height, because if the difference in
// height is 0 then the TexturePlane doesn't work!
TexturePlane tp = new TexturePlane();
double floorbias = (Sidedef.Other.Sector.FloorHeight == Sidedef.Sector.FloorHeight) ? 1.0 : 0.0;
if (Sidedef.Line.IsFlagSet(General.Map.Config.LowerUnpeggedFlag))
{
if (Sidedef.Sector.CeilTexture == General.Map.Config.SkyFlatName && Sidedef.Other.Sector.CeilTexture == General.Map.Config.SkyFlatName)
{
// mxd. Replicate Doom texture offset glitch when front and back sector's ceilings are sky
tp.tlt.y = (double)Sidedef.Other.Sector.CeilHeight - Sidedef.Other.Sector.FloorHeight;
}
else
{
// When lower unpegged is set, the lower texture is bound to the bottom
tp.tlt.y = (double)Sidedef.Sector.CeilHeight - Sidedef.Other.Sector.FloorHeight;
}
}
tp.trb.x = tp.tlt.x + Math.Round(Sidedef.Line.Length); //mxd. (G)ZDoom snaps texture coordinates to integral linedef length
tp.trb.y = tp.tlt.y + (Sidedef.Other.Sector.FloorHeight - (Sidedef.Sector.FloorHeight + floorbias));
// Apply texture offset
tp.tlt += tof;
tp.trb += tof;
// Transform pixel coordinates to texture coordinates
tp.tlt /= tsz;
tp.trb /= tsz;
// Left top and right bottom of the geometry that
tp.vlt = new Vector3D(vl.x, vl.y, Sidedef.Other.Sector.FloorHeight);
tp.vrb = new Vector3D(vr.x, vr.y, Sidedef.Sector.FloorHeight + floorbias);
// Make the right-top coordinates
tp.trt = new Vector2D(tp.trb.x, tp.tlt.y);
tp.vrt = new Vector3D(tp.vrb.x, tp.vrb.y, tp.vlt.z);
// Create initial polygon, which is just a quad between floor and ceiling
WallPolygon poly = new WallPolygon();
poly.Add(new Vector3D(vl.x, vl.y, vlzf));
poly.Add(new Vector3D(vl.x, vl.y, sd.Ceiling.plane.GetZ(vl)));
poly.Add(new Vector3D(vr.x, vr.y, sd.Ceiling.plane.GetZ(vr)));
poly.Add(new Vector3D(vr.x, vr.y, vrzf));
// Determine initial color
int lightlevel = lightabsolute ? lightvalue : sd.Ceiling.brightnessbelow + lightvalue;
//mxd. This calculates light with doom-style wall shading
PixelColor wallbrightness = PixelColor.FromInt(mode.CalculateBrightness(lightlevel, Sidedef));
PixelColor wallcolor = PixelColor.Modulate(sd.Ceiling.colorbelow, wallbrightness);
fogfactor = CalculateFogFactor(lightlevel);
poly.color = wallcolor.WithAlpha(255).ToInt();
// Cut off the part above the other floor
CropPoly(ref poly, osd.Floor.plane, false);
//INFO: Makes sence only when ceiling plane is lower than floor plane. Also ZDoom clips ceiling instead here.
if (ovlzf > osd.Ceiling.plane.GetZ(vl) || ovrzf > osd.Ceiling.plane.GetZ(vr))
{
CropPoly(ref poly, osd.Ceiling.plane, true);
}
// Cut out pieces that overlap 3D floors in this sector
List <WallPolygon> polygons = new List <WallPolygon> {
poly
};
ClipExtraFloors(polygons, sd.ExtraFloors, false); //mxd
if (polygons.Count > 0)
{
// Keep top and bottom planes for intersection testing
Vector2D linecenter = Sidedef.Line.GetCenterPoint(); //mxd. Our sector's ceiling can be lower than the other sector's floor!
top = (osd.Floor.plane.GetZ(linecenter) < sd.Ceiling.plane.GetZ(linecenter) ? osd.Floor.plane : sd.Ceiling.plane);
bottom = sd.Floor.plane;
// Process the polygon and create vertices
List <WorldVertex> verts = CreatePolygonVertices(polygons, tp, sd, lightvalue, lightabsolute);
if (verts.Count > 2)
{
base.SetVertices(verts);
return(true);
}
}
base.SetVertices(null); //mxd
return(false);
}