// 3D Floor effect
public void AddEffect3DFloor(Linedef sourcelinedef)
{
Effect3DFloor e = new Effect3DFloor(this, sourcelinedef);
extrafloors.Add(e);
alleffects.Add(e);
}
// This builds the geometry. Returns false when no geometry created.
public override bool Setup(SectorLevel level, Effect3DFloor extrafloor)
{
WorldVertex[] verts;
Sector s = level.sector;
Vector2D texscale;
base.Setup(level, extrafloor);
// Fetch ZDoom fields
float rotate = Angle2D.DegToRad(s.Fields.GetValue("rotationceiling", 0.0f));
Vector2D offset = new Vector2D(s.Fields.GetValue("xpanningceiling", 0.0f),
s.Fields.GetValue("ypanningceiling", 0.0f));
Vector2D scale = new Vector2D(s.Fields.GetValue("xscaleceiling", 1.0f),
s.Fields.GetValue("yscaleceiling", 1.0f));
// Load floor texture
base.Texture = General.Map.Data.GetFlatImage(s.LongCeilTexture);
if (base.Texture == null)
{
base.Texture = General.Map.Data.MissingTexture3D;
setuponloadedtexture = s.LongCeilTexture;
}
else
{
if (!base.Texture.IsImageLoaded)
{
setuponloadedtexture = s.LongCeilTexture;
}
}
// Determine texture scale
if (base.Texture.IsImageLoaded)
{
texscale = new Vector2D(1.0f / base.Texture.ScaledWidth, 1.0f / base.Texture.ScaledHeight);
}
else
{
texscale = new Vector2D(1.0f / 64.0f, 1.0f / 64.0f);
}
// Make vertices
ReadOnlyCollection <Vector2D> triverts = base.Sector.Sector.Triangles.Vertices;
verts = new WorldVertex[triverts.Count];
for (int i = 0; i < triverts.Count; i++)
{
// Color shading
PixelColor c = PixelColor.FromInt(level.color);
verts[i].c = c.WithAlpha((byte)General.Clamp(level.alpha, 0, 255)).ToInt();
// Vertex coordinates
verts[i].x = triverts[i].x;
verts[i].y = triverts[i].y;
verts[i].z = level.plane.GetZ(triverts[i]); //(float)s.CeilHeight;
// Texture coordinates
Vector2D pos = triverts[i];
pos = pos.GetRotated(rotate);
pos.y = -pos.y;
pos = (pos + offset) * scale * texscale;
verts[i].u = pos.x;
verts[i].v = pos.y;
}
// The sector triangulation created clockwise triangles that
// are right up for the floor. For the ceiling we must flip
// the triangles upside down.
if ((extrafloor == null) || extrafloor.VavoomType)
{
SwapTriangleVertices(verts);
}
// Determine render pass
if (extrafloor != null)
{
if (level.alpha < 255)
{
this.RenderPass = RenderPass.Alpha;
}
else
{
this.RenderPass = RenderPass.Mask;
}
}
else
{
this.RenderPass = RenderPass.Solid;
}
// Apply vertices
base.SetVertices(verts);
return(verts.Length > 0);
}
public bool Setup(Effect3DFloor extrafloor)
{
Vector2D vl, vr;
Sidedef sourceside = extrafloor.Linedef.Front;
this.extrafloor = extrafloor;
int lightvalue = Sidedef.Fields.GetValue("light", 0);
bool lightabsolute = Sidedef.Fields.GetValue("lightabsolute", false);
Vector2D tscale = new Vector2D(sourceside.Fields.GetValue("scalex_mid", 1.0f),
sourceside.Fields.GetValue("scaley_mid", 1.0f));
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);
// Texture given?
if ((sourceside.MiddleTexture.Length > 0) && (sourceside.MiddleTexture[0] != '-'))
{
// Load texture
base.Texture = General.Map.Data.GetTextureImage(sourceside.LongMiddleTexture);
if (base.Texture == null)
{
base.Texture = General.Map.Data.MissingTexture3D;
setuponloadedtexture = sourceside.LongMiddleTexture;
}
else
{
if (!base.Texture.IsImageLoaded)
{
setuponloadedtexture = sourceside.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 + toffset1 + toffset2;
tof = tof / tscale;
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 + Sidedef.Line.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);
// 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 = 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;
PixelColor wallbrightness = PixelColor.FromInt(mode.CalculateBrightness(lightlevel));
PixelColor wallcolor = PixelColor.Modulate(sd.Ceiling.colorbelow, wallbrightness);
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>(1);
polygons.Add(poly);
foreach (Effect3DFloor ef in sd.ExtraFloors)
{
// Same 3D floor and other floors that are not translucent will clip my walls
if ((ef.Alpha == 255) || (ef.Linedef.Front.Sector == extrafloor.Linedef.Front.Sector))
{
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
List <WorldVertex> verts = CreatePolygonVertices(polygons, tp, sd, lightvalue, lightabsolute);
if (verts.Count > 0)
{
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];
PixelColor c = PixelColor.FromInt(v.c);
v.c = c.WithAlpha(alpha).ToInt();
verts[i] = v;
}
}
this.RenderPass = RenderPass.Alpha;
}
else
{
this.RenderPass = RenderPass.Mask;
}
base.SetVertices(verts);
return(true);
}
}
return(false);
}
public virtual bool Setup(SectorLevel level, Effect3DFloor extrafloor)
{
this.level = level;
this.extrafloor = extrafloor;
return(false);
}
// This (re)builds the visual sector, calculating all geometry from scratch
public void Rebuild()
{
// Forget old geometry
base.ClearGeometry();
// Get sector data
SectorData data = GetSectorData();
if (!data.Updated)
{
data.Update();
}
// Create floor
floor = floor ?? new VisualFloor(mode, this);
if (floor.Setup(data.Floor, null))
{
base.AddGeometry(floor);
}
// Create ceiling
ceiling = ceiling ?? new VisualCeiling(mode, this);
if (ceiling.Setup(data.Ceiling, null))
{
base.AddGeometry(ceiling);
}
// Create 3D floors
for (int i = 0; i < data.ExtraFloors.Count; i++)
{
Effect3DFloor ef = data.ExtraFloors[i];
// Create a floor
VisualFloor vf = (i < extrafloors.Count) ? extrafloors[i] : new VisualFloor(mode, this);
if (vf.Setup(ef.Ceiling, ef))
{
base.AddGeometry(vf);
}
if (i >= extrafloors.Count)
{
extrafloors.Add(vf);
}
// Create a ceiling
VisualCeiling vc = (i < extraceilings.Count) ? extraceilings[i] : new VisualCeiling(mode, this);
if (vc.Setup(ef.Floor, ef))
{
base.AddGeometry(vc);
}
if (i >= extraceilings.Count)
{
extraceilings.Add(vc);
}
}
// Go for all sidedefs
Dictionary <Sidedef, VisualSidedefParts> oldsides = sides ?? new Dictionary <Sidedef, VisualSidedefParts>(1);
sides = new Dictionary <Sidedef, VisualSidedefParts>(base.Sector.Sidedefs.Count);
foreach (Sidedef sd in base.Sector.Sidedefs)
{
// VisualSidedef already exists?
VisualSidedefParts parts = oldsides.ContainsKey(sd) ? oldsides[sd] : new VisualSidedefParts();
// Doublesided or singlesided?
if (sd.Other != null)
{
// Create upper part
VisualUpper vu = parts.upper ?? new VisualUpper(mode, this, sd);
if (vu.Setup())
{
base.AddGeometry(vu);
}
// Create lower part
VisualLower vl = parts.lower ?? new VisualLower(mode, this, sd);
if (vl.Setup())
{
base.AddGeometry(vl);
}
// Create middle part
VisualMiddleDouble vm = parts.middledouble ?? new VisualMiddleDouble(mode, this, sd);
if (vm.Setup())
{
base.AddGeometry(vm);
}
// Create 3D wall parts
SectorData osd = mode.GetSectorData(sd.Other.Sector);
if (!osd.Updated)
{
osd.Update();
}
List <VisualMiddle3D> middles = parts.middle3d ?? new List <VisualMiddle3D>(osd.ExtraFloors.Count);
for (int i = 0; i < osd.ExtraFloors.Count; i++)
{
Effect3DFloor ef = osd.ExtraFloors[i];
VisualMiddle3D vm3 = (i < middles.Count) ? middles[i] : new VisualMiddle3D(mode, this, sd);
if (vm3.Setup(ef))
{
base.AddGeometry(vm3);
}
if (i >= middles.Count)
{
middles.Add(vm3);
}
}
// Store
sides.Add(sd, new VisualSidedefParts(vu, vl, vm, middles));
}
else
{
// Create middle part
VisualMiddleSingle vm = parts.middlesingle ?? new VisualMiddleSingle(mode, this, sd);
if (vm.Setup())
{
base.AddGeometry(vm);
}
// Store
sides.Add(sd, new VisualSidedefParts(vm));
}
}
// Done
changed = false;
}
