// This sets up the basic floor and ceiling, as they would be in normal Doom circumstances
private void BasicSetup()
{
// Normal (flat) floor and ceiling planes
floor.plane = new Plane(new Vector3D(0, 0, 1), -sector.FloorHeight);
ceiling.plane = new Plane(new Vector3D(0, 0, -1), sector.CeilHeight);
// Fetch ZDoom fields
int color = sector.Fields.GetValue("lightcolor", -1);
int flight = sector.Fields.GetValue("lightfloor", 0);
bool fabs = sector.Fields.GetValue("lightfloorabsolute", false);
int clight = sector.Fields.GetValue("lightceiling", 0);
bool cabs = sector.Fields.GetValue("lightceilingabsolute", false);
// Determine colors & light levels
PixelColor lightcolor = PixelColor.FromInt(color);
if (!fabs)
{
flight = sector.Brightness + flight;
}
if (!cabs)
{
clight = sector.Brightness + clight;
}
PixelColor floorbrightness = PixelColor.FromInt(mode.CalculateBrightness(flight));
PixelColor ceilingbrightness = PixelColor.FromInt(mode.CalculateBrightness(clight));
PixelColor floorcolor = PixelColor.Modulate(lightcolor, floorbrightness);
PixelColor ceilingcolor = PixelColor.Modulate(lightcolor, ceilingbrightness);
floor.color = floorcolor.WithAlpha(255).ToInt();
floor.brightnessbelow = sector.Brightness;
floor.colorbelow = lightcolor.WithAlpha(255);
ceiling.color = ceilingcolor.WithAlpha(255).ToInt();
ceiling.brightnessbelow = sector.Brightness;
ceiling.colorbelow = lightcolor.WithAlpha(255);
}
// This creates vertices from a wall polygon and applies lighting
protected List <WorldVertex> CreatePolygonVertices(List <WallPolygon> poly, TexturePlane tp, SectorData sd, int lightvalue, bool lightabsolute)
{
List <WallPolygon> polygons = new List <WallPolygon>(poly);
List <WorldVertex> verts = new List <WorldVertex>();
// Go for all levels to build geometry
for (int i = sd.LightLevels.Count - 1; i >= 0; i--)
{
SectorLevel l = sd.LightLevels[i];
if ((l != sd.Floor) && (l != sd.Ceiling) && (l.type != SectorLevelType.Floor))
{
// Go for all polygons
int num = polygons.Count;
for (int pi = 0; pi < num; pi++)
{
// Split by plane
WallPolygon p = polygons[pi];
WallPolygon np = SplitPoly(ref p, l.plane, false);
if (np.Count > 0)
{
// Determine color
int lightlevel = lightabsolute ? lightvalue : l.brightnessbelow + lightvalue;
PixelColor wallbrightness = PixelColor.FromInt(mode.CalculateBrightness(lightlevel));
PixelColor wallcolor = PixelColor.Modulate(l.colorbelow, wallbrightness);
np.color = wallcolor.WithAlpha(255).ToInt();
if (p.Count == 0)
{
polygons[pi] = np;
}
else
{
polygons[pi] = p;
polygons.Add(np);
}
}
else
{
polygons[pi] = p;
}
}
}
}
// Go for all polygons to make geometry
foreach (WallPolygon p in polygons)
{
// Find texture coordinates for each vertex in the polygon
List <Vector2D> texc = new List <Vector2D>(p.Count);
foreach (Vector3D v in p)
{
texc.Add(tp.GetTextureCoordsAt(v));
}
// Now we create triangles from the polygon.
// The polygon is convex and clockwise, so this is a piece of cake.
if (p.Count >= 3)
{
for (int k = 1; k < (p.Count - 1); k++)
{
verts.Add(new WorldVertex(p[0], p.color, texc[0]));
verts.Add(new WorldVertex(p[k], p.color, texc[k]));
verts.Add(new WorldVertex(p[k + 1], p.color, texc[k + 1]));
}
}
}
return(verts);
}
// This builds the thing geometry. Returns false when nothing was created.
public virtual bool Setup()
{
PixelColor sectorcolor = new PixelColor(255, 255, 255, 255);
// Must have a width and height!
if ((info.Radius < 0.1f) || (info.Height < 0.1f))
{
return(false);
}
// Find the sector in which the thing resides
Thing.DetermineSector(mode.BlockMap);
if (sprite != null)
{
if (Thing.Sector != null)
{
SectorData sd = mode.GetSectorData(Thing.Sector);
SectorLevel level = sd.GetLevelAbove(new Vector3D(Thing.Position.x, Thing.Position.y, Thing.Position.z + Thing.Sector.FloorHeight));
if (level != null)
{
// Use sector brightness for color shading
PixelColor areabrightness = PixelColor.FromInt(mode.CalculateBrightness(level.brightnessbelow));
PixelColor areacolor = PixelColor.Modulate(level.colorbelow, areabrightness);
sectorcolor = areacolor.WithAlpha(255);
}
}
// Check if the texture is loaded
sprite.LoadImage();
isloaded = sprite.IsImageLoaded;
if (isloaded)
{
float offsetx = 0.0f;
float offsety = 0.0f;
base.Texture = sprite;
// Determine sprite size and offset
float radius = sprite.ScaledWidth * 0.5f;
float height = sprite.ScaledHeight;
if (sprite is SpriteImage)
{
offsetx = (sprite as SpriteImage).OffsetX - radius;
offsety = (sprite as SpriteImage).OffsetY - height;
}
// Scale by thing type/actor scale
// We do this after the offset x/y determination above, because that is entirely in sprite pixels space
radius *= info.SpriteScale.Width;
height *= info.SpriteScale.Height;
offsetx *= info.SpriteScale.Width;
offsety *= info.SpriteScale.Height;
// Make vertices
WorldVertex[] verts = new WorldVertex[6];
verts[0] = new WorldVertex(-radius + offsetx, 0.0f, 0.0f + offsety, sectorcolor.ToInt(), 0.0f, 1.0f);
verts[1] = new WorldVertex(-radius + offsetx, 0.0f, height + offsety, sectorcolor.ToInt(), 0.0f, 0.0f);
verts[2] = new WorldVertex(+radius + offsetx, 0.0f, height + offsety, sectorcolor.ToInt(), 1.0f, 0.0f);
verts[3] = verts[0];
verts[4] = verts[2];
verts[5] = new WorldVertex(+radius + offsetx, 0.0f, 0.0f + offsety, sectorcolor.ToInt(), 1.0f, 1.0f);
SetVertices(verts);
}
else
{
base.Texture = General.Map.Data.Hourglass3D;
// Determine sprite size
float radius = Math.Min(info.Radius, info.Height / 2f);
float height = Math.Min(info.Radius * 2f, info.Height);
// Make vertices
WorldVertex[] verts = new WorldVertex[6];
verts[0] = new WorldVertex(-radius, 0.0f, 0.0f, sectorcolor.ToInt(), 0.0f, 1.0f);
verts[1] = new WorldVertex(-radius, 0.0f, height, sectorcolor.ToInt(), 0.0f, 0.0f);
verts[2] = new WorldVertex(+radius, 0.0f, height, sectorcolor.ToInt(), 1.0f, 0.0f);
verts[3] = verts[0];
verts[4] = verts[2];
verts[5] = new WorldVertex(+radius, 0.0f, 0.0f, sectorcolor.ToInt(), 1.0f, 1.0f);
SetVertices(verts);
}
}
// Determine position
Vector3D pos = Thing.Position;
if (Thing.Type == 9501)
{
// This is a special thing that needs special positioning
SectorData sd = mode.GetSectorData(Thing.Sector);
pos.z = sd.Ceiling.sector.CeilHeight + Thing.Position.z;
}
else if (Thing.Type == 9500)
{
// This is a special thing that needs special positioning
SectorData sd = mode.GetSectorData(Thing.Sector);
pos.z = sd.Floor.sector.FloorHeight + Thing.Position.z;
}
else if (info.AbsoluteZ)
{
// Absolute Z position
pos.z = Thing.Position.z;
}
else if (info.Hangs)
{
// Hang from ceiling
if (Thing.Sector != null)
{
SectorData sd = mode.GetSectorData(Thing.Sector);
if (Thing.Position.z > 0)
{
pos.z = sd.Ceiling.plane.GetZ(Thing.Position) - info.Height;
}
else
{
pos.z = Thing.Sector.CeilHeight - info.Height;
}
}
pos.z -= Thing.Position.z;
// Check if below floor
if ((Thing.Sector != null) && (pos.z < Thing.Sector.FloorHeight))
{
// Put thing on the floor
SectorData sd = mode.GetSectorData(Thing.Sector);
pos.z = sd.Floor.plane.GetZ(Thing.Position);
}
}
else
{
// Stand on floor
if (Thing.Sector != null)
{
SectorData sd = mode.GetSectorData(Thing.Sector);
if (Thing.Position.z == 0)
{
pos.z = sd.Floor.plane.GetZ(Thing.Position);
}
else
{
pos.z = Thing.Sector.FloorHeight;
}
}
pos.z += Thing.Position.z;
// Check if above ceiling
if ((Thing.Sector != null) && ((pos.z + info.Height) > Thing.Sector.CeilHeight))
{
// Put thing against ceiling
SectorData sd = mode.GetSectorData(Thing.Sector);
pos.z = sd.Ceiling.plane.GetZ(Thing.Position) - info.Height;
}
}
// Apply settings
SetPosition(pos);
SetCageSize(info.Radius, info.Height);
SetCageColor(Thing.Color);
// Keep info for object picking
cageradius2 = info.Radius * Angle2D.SQRT2;
cageradius2 = cageradius2 * cageradius2;
pos2d = pos;
boxp1 = new Vector3D(pos.x - info.Radius, pos.y - info.Radius, pos.z);
boxp2 = new Vector3D(pos.x + info.Radius, pos.y + info.Radius, pos.z + info.Height);
// Done
changed = false;
return(true);
}