mirror of
https://git.do.srb2.org/STJr/UltimateZoneBuilder.git
synced 2024-11-23 20:32:34 +00:00
a31c6b6652
Reverted, Visual mode: looks like all additional cases of displaying sky hack added in r2755 were actually undefined engine behaviors, not the "proper" shy hack... Reverted implementation to the wiki definition of the sky hack.
299 lines
10 KiB
C#
299 lines
10 KiB
C#
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#region ================== Copyright (c) 2007 Pascal vd Heiden
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/*
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* Copyright (c) 2007 Pascal vd Heiden, www.codeimp.com
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* This program is released under GNU General Public License
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#endregion
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#region ================== Namespaces
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using CodeImp.DoomBuilder.Map;
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using CodeImp.DoomBuilder.Geometry;
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using CodeImp.DoomBuilder.Rendering;
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using CodeImp.DoomBuilder.Types;
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using CodeImp.DoomBuilder.VisualModes;
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using CodeImp.DoomBuilder.Data;
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#endregion
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namespace CodeImp.DoomBuilder.BuilderModes
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{
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internal sealed class VisualLower : BaseVisualGeometrySidedef
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{
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#region ================== Constants
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#endregion
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#region ================== Variables
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#endregion
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#region ================== Properties
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#endregion
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#region ================== Constructor / Setup
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// Constructor
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public VisualLower(BaseVisualMode mode, VisualSector vs, Sidedef s) : base(mode, vs, s)
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{
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//mxd
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geometrytype = VisualGeometryType.WALL_LOWER;
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partname = "bottom";
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// We have no destructor
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GC.SuppressFinalize(this);
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}
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// This builds the geometry. Returns false when no geometry created.
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public override bool Setup()
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{
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Vector2D vl, vr;
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// Left and right vertices for this sidedef
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if(Sidedef.IsFront)
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{
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vl = new Vector2D(Sidedef.Line.Start.Position.x, Sidedef.Line.Start.Position.y);
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vr = new Vector2D(Sidedef.Line.End.Position.x, Sidedef.Line.End.Position.y);
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}
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else
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{
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vl = new Vector2D(Sidedef.Line.End.Position.x, Sidedef.Line.End.Position.y);
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vr = new Vector2D(Sidedef.Line.Start.Position.x, Sidedef.Line.Start.Position.y);
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}
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// Load sector data
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SectorData sd = Sector.GetSectorData();
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SectorData osd = mode.GetSectorData(Sidedef.Other.Sector);
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if(!osd.Updated) osd.Update();
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//mxd
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float vlzf = sd.Floor.plane.GetZ(vl);
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float vrzf = sd.Floor.plane.GetZ(vr);
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float ovlzf = osd.Floor.plane.GetZ(vl);
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float ovrzf = osd.Floor.plane.GetZ(vr);
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//mxd. Side is visible when our sector's floor is lower than the other's at any vertex
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if(!(vlzf < ovlzf || vrzf < ovrzf))
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{
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base.SetVertices(null);
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return false;
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}
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//mxd. lightfog flag support
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int lightvalue;
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bool lightabsolute;
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GetLightValue(out lightvalue, out lightabsolute);
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Vector2D tscale = new Vector2D(Sidedef.Fields.GetValue("scalex_bottom", 1.0f),
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Sidedef.Fields.GetValue("scaley_bottom", 1.0f));
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Vector2D toffset = new Vector2D(Sidedef.Fields.GetValue("offsetx_bottom", 0.0f),
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Sidedef.Fields.GetValue("offsety_bottom", 0.0f));
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// Texture given?
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if(Sidedef.LongLowTexture != MapSet.EmptyLongName)
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{
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// Load texture
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base.Texture = General.Map.Data.GetTextureImage(Sidedef.LongLowTexture);
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if(base.Texture == null || base.Texture is UnknownImage)
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{
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base.Texture = General.Map.Data.UnknownTexture3D;
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setuponloadedtexture = Sidedef.LongLowTexture;
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}
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else
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{
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if(!base.Texture.IsImageLoaded)
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setuponloadedtexture = Sidedef.LongLowTexture;
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}
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}
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else
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{
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// Use missing texture
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base.Texture = General.Map.Data.MissingTexture3D;
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setuponloadedtexture = 0;
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}
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// Get texture scaled size
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Vector2D tsz = new Vector2D(base.Texture.ScaledWidth, base.Texture.ScaledHeight);
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tsz = tsz / tscale;
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// Get texture offsets
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Vector2D tof = new Vector2D(Sidedef.OffsetX, Sidedef.OffsetY);
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tof = tof + toffset;
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tof = tof / tscale;
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if(General.Map.Config.ScaledTextureOffsets && !base.Texture.WorldPanning)
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tof = tof * base.Texture.Scale;
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// Determine texture coordinates plane as they would be in normal circumstances.
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// We can then use this plane to find any texture coordinate we need.
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// The logic here is the same as in the original VisualMiddleSingle (except that
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// the values are stored in a TexturePlane)
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// NOTE: I use a small bias for the floor height, because if the difference in
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// height is 0 then the TexturePlane doesn't work!
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TexturePlane tp = new TexturePlane();
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float floorbias = (Sidedef.Other.Sector.FloorHeight == Sidedef.Sector.FloorHeight) ? 1.0f : 0.0f;
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if(Sidedef.Line.IsFlagSet(General.Map.Config.LowerUnpeggedFlag))
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{
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if(Sidedef.Sector.CeilTexture == General.Map.Config.SkyFlatName && Sidedef.Other.Sector.CeilTexture == General.Map.Config.SkyFlatName)
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{
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// mxd. Replicate Doom texture offset glitch when front and back sector's ceilings are sky
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tp.tlt.y = (float)Sidedef.Other.Sector.CeilHeight - Sidedef.Other.Sector.FloorHeight;
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}
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else
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{
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// When lower unpegged is set, the lower texture is bound to the bottom
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tp.tlt.y = (float) Sidedef.Sector.CeilHeight - Sidedef.Other.Sector.FloorHeight;
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}
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}
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tp.trb.x = tp.tlt.x + (float)Math.Round(Sidedef.Line.Length); //mxd. (G)ZDoom snaps texture coordinates to integral linedef length
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tp.trb.y = tp.tlt.y + (Sidedef.Other.Sector.FloorHeight - (Sidedef.Sector.FloorHeight + floorbias));
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// Apply texture offset
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tp.tlt += tof;
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tp.trb += tof;
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// Transform pixel coordinates to texture coordinates
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tp.tlt /= tsz;
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tp.trb /= tsz;
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// Left top and right bottom of the geometry that
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tp.vlt = new Vector3D(vl.x, vl.y, Sidedef.Other.Sector.FloorHeight);
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tp.vrb = new Vector3D(vr.x, vr.y, Sidedef.Sector.FloorHeight + floorbias);
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// Make the right-top coordinates
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tp.trt = new Vector2D(tp.trb.x, tp.tlt.y);
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tp.vrt = new Vector3D(tp.vrb.x, tp.vrb.y, tp.vlt.z);
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// Create initial polygon, which is just a quad between floor and ceiling
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WallPolygon poly = new WallPolygon();
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poly.Add(new Vector3D(vl.x, vl.y, vlzf));
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poly.Add(new Vector3D(vl.x, vl.y, sd.Ceiling.plane.GetZ(vl)));
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poly.Add(new Vector3D(vr.x, vr.y, sd.Ceiling.plane.GetZ(vr)));
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poly.Add(new Vector3D(vr.x, vr.y, vrzf));
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// Determine initial color
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int lightlevel = lightabsolute ? lightvalue : sd.Ceiling.brightnessbelow + lightvalue;
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//mxd. This calculates light with doom-style wall shading
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PixelColor wallbrightness = PixelColor.FromInt(mode.CalculateBrightness(lightlevel, Sidedef));
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PixelColor wallcolor = PixelColor.Modulate(sd.Ceiling.colorbelow, wallbrightness);
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fogfactor = CalculateFogFactor(lightlevel);
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poly.color = wallcolor.WithAlpha(255).ToInt();
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// Cut off the part above the other floor
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CropPoly(ref poly, osd.Floor.plane, false);
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//INFO: Makes sence only when ceiling plane is lower than floor plane. Also ZDoom clips ceiling instead here.
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if(ovlzf > osd.Ceiling.plane.GetZ(vl) || ovrzf > osd.Ceiling.plane.GetZ(vr))
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CropPoly(ref poly, osd.Ceiling.plane, true);
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// Cut out pieces that overlap 3D floors in this sector
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List<WallPolygon> polygons = new List<WallPolygon> { poly };
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ClipExtraFloors(polygons, sd.ExtraFloors, false); //mxd
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if(polygons.Count > 0)
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{
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// Keep top and bottom planes for intersection testing
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Vector2D linecenter = Sidedef.Line.GetCenterPoint(); //mxd. Our sector's ceiling can be lower than the other sector's floor!
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top = (osd.Floor.plane.GetZ(linecenter) < sd.Ceiling.plane.GetZ(linecenter) ? osd.Floor.plane : sd.Ceiling.plane);
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bottom = sd.Floor.plane;
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// Process the polygon and create vertices
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List<WorldVertex> verts = CreatePolygonVertices(polygons, tp, sd, lightvalue, lightabsolute);
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if(verts.Count > 2)
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{
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base.SetVertices(verts);
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return true;
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}
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}
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base.SetVertices(null); //mxd
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return false;
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}
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#endregion
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#region ================== Methods
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// Return texture name
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public override string GetTextureName()
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{
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return this.Sidedef.LowTexture;
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}
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// This changes the texture
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protected override void SetTexture(string texturename)
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{
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this.Sidedef.SetTextureLow(texturename);
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General.Map.Data.UpdateUsedTextures();
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this.Setup();
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//mxd. Other sector also may require updating
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SectorData sd = mode.GetSectorData(Sidedef.Sector);
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if(sd.ExtraFloors.Count > 0)
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((BaseVisualSector)mode.GetVisualSector(Sidedef.Sector)).Rebuild();
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}
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protected override void SetTextureOffsetX(int x)
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{
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Sidedef.Fields.BeforeFieldsChange();
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Sidedef.Fields["offsetx_bottom"] = new UniValue(UniversalType.Float, (float)x);
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}
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protected override void SetTextureOffsetY(int y)
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{
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Sidedef.Fields.BeforeFieldsChange();
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Sidedef.Fields["offsety_bottom"] = new UniValue(UniversalType.Float, (float)y);
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}
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protected override void MoveTextureOffset(int offsetx, int offsety)
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{
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Sidedef.Fields.BeforeFieldsChange();
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float oldx = Sidedef.Fields.GetValue("offsetx_bottom", 0.0f);
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float oldy = Sidedef.Fields.GetValue("offsety_bottom", 0.0f);
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float scalex = Sidedef.Fields.GetValue("scalex_bottom", 1.0f);
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float scaley = Sidedef.Fields.GetValue("scaley_bottom", 1.0f);
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bool textureloaded = (Texture != null && Texture.IsImageLoaded); //mxd
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Sidedef.Fields["offsetx_bottom"] = new UniValue(UniversalType.Float, GetRoundedTextureOffset(oldx, offsetx, scalex, textureloaded ? Texture.Width : -1)); //mxd
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Sidedef.Fields["offsety_bottom"] = new UniValue(UniversalType.Float, GetRoundedTextureOffset(oldy, offsety, scaley, textureloaded ? Texture.Height : -1)); //mxd
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}
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protected override Point GetTextureOffset()
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{
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float oldx = Sidedef.Fields.GetValue("offsetx_bottom", 0.0f);
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float oldy = Sidedef.Fields.GetValue("offsety_bottom", 0.0f);
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return new Point((int)oldx, (int)oldy);
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}
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//mxd
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protected override void ResetTextureScale()
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{
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Sidedef.Fields.BeforeFieldsChange();
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if(Sidedef.Fields.ContainsKey("scalex_bottom")) Sidedef.Fields.Remove("scalex_bottom");
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if(Sidedef.Fields.ContainsKey("scaley_bottom")) Sidedef.Fields.Remove("scaley_bottom");
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}
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//mxd
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public override void OnTextureFit(FitTextureOptions options)
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{
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if(!General.Map.UDMF) return;
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if(!Sidedef.LowRequired() || string.IsNullOrEmpty(Sidedef.LowTexture) || Sidedef.LowTexture == "-" || !Texture.IsImageLoaded) return;
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FitTexture(options);
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Setup();
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}
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#endregion
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}
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}
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