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https://git.do.srb2.org/STJr/UltimateZoneBuilder.git
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02e5996bd8
Visual mode, UDMF: "Auto-align textures" actions now use integral linedef length when calculating texture offsets.
282 lines
9.8 KiB
C#
282 lines
9.8 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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//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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// 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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// 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, sd.Floor.plane.GetZ(vl)));
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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, sd.Floor.plane.GetZ(vr)));
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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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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(Point xy)
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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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Sidedef.Fields["offsetx_bottom"] = new UniValue(UniversalType.Float, GetRoundedTextureOffset(oldx, xy.X, scalex, Texture != null ? Texture.Width : -1)); //mxd
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Sidedef.Fields["offsety_bottom"] = new UniValue(UniversalType.Float, GetRoundedTextureOffset(oldy, xy.Y, scaley, Texture != null ? 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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