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UltimateZoneBuilder/Source/Plugins/GZDoomEditing/VisualModes/VisualMiddleDouble.cs

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#region ================== Copyright (c) 2007 Pascal vd Heiden
/*
* Copyright (c) 2007 Pascal vd Heiden, www.codeimp.com
* This program is released under GNU General Public License
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#endregion
#region ================== Namespaces
using System;
using System.Collections;
using System.Collections.Generic;
using System.Globalization;
using System.Text;
using System.Windows.Forms;
using System.IO;
using System.Reflection;
using System.Drawing;
using System.ComponentModel;
using CodeImp.DoomBuilder.Map;
using CodeImp.DoomBuilder.Geometry;
using System.Drawing.Imaging;
using CodeImp.DoomBuilder.Data;
using CodeImp.DoomBuilder.Editing;
using CodeImp.DoomBuilder.IO;
using CodeImp.DoomBuilder.Rendering;
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using CodeImp.DoomBuilder.Types;
using CodeImp.DoomBuilder.VisualModes;
#endregion
namespace CodeImp.DoomBuilder.GZDoomEditing
{
internal sealed class VisualMiddleDouble : BaseVisualGeometrySidedef
{
#region ================== Constants
#endregion
#region ================== Variables
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private bool repeatmidtex;
private Plane topclipplane;
private Plane bottomclipplane;
#endregion
#region ================== Properties
#endregion
#region ================== Constructor / Setup
// Constructor
public VisualMiddleDouble(BaseVisualMode mode, VisualSector vs, Sidedef s) : base(mode, vs, s)
{
// Set render pass
this.RenderPass = RenderPass.Mask;
// We have no destructor
GC.SuppressFinalize(this);
}
// This builds the geometry. Returns false when no geometry created.
public override bool Setup()
{
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Vector2D vl, vr;
int lightvalue = Sidedef.Fields.GetValue("light", 0);
bool lightabsolute = Sidedef.Fields.GetValue("lightabsolute", false);
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));
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// Texture given?
if((Sidedef.MiddleTexture.Length > 0) && (Sidedef.MiddleTexture[0] != '-'))
{
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// 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);
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if(!osd.Updated) osd.Update();
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// Texture given?
if((Sidedef.MiddleTexture.Length > 0) && (Sidedef.MiddleTexture[0] != '-'))
{
// Load texture
base.Texture = General.Map.Data.GetTextureImage(Sidedef.LongMiddleTexture);
if(base.Texture == null)
{
base.Texture = General.Map.Data.MissingTexture3D;
setuponloadedtexture = Sidedef.LongMiddleTexture;
}
else
{
if(!base.Texture.IsImageLoaded)
setuponloadedtexture = Sidedef.LongMiddleTexture;
}
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}
else
{
// Use missing texture
base.Texture = General.Map.Data.MissingTexture3D;
setuponloadedtexture = 0;
}
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// 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;
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// 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 = (float)Math.Min(Sidedef.Sector.CeilHeight, Sidedef.Other.Sector.CeilHeight);
float geobottom = (float)Math.Max(Sidedef.Sector.FloorHeight, Sidedef.Other.Sector.FloorHeight);
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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 - (float)(geotop - geobottom);
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}
tp.trb.x = tp.tlt.x + Sidedef.Line.Length;
tp.trb.y = tp.tlt.y + ((float)Sidedef.Sector.CeilHeight - ((float)Sidedef.Sector.FloorHeight + floorbias));
// Apply texture offset
tp.tlt += tof;
tp.trb += tof;
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// 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, (float)Sidedef.Sector.CeilHeight);
tp.vrb = new Vector3D(vr.x, vr.y, (float)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;
PixelColor wallbrightness = PixelColor.FromInt(mode.CalculateBrightness(lightlevel));
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PixelColor wallcolor = PixelColor.Modulate(sd.Ceiling.colorbelow, wallbrightness);
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
if(Sidedef.Fields.ContainsKey("wrapmidtex"))
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repeatmidtex = Sidedef.Fields.GetValue("wrapmidtex", false);
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else
repeatmidtex = Sidedef.Line.IsFlagSet("wrapmidtex");
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if(!repeatmidtex)
{
// First determine the visible portion of the texture
float textop, texbottom;
// Determine top portion height
if(Sidedef.Line.IsFlagSet(General.Map.Config.LowerUnpeggedFlag))
textop = geobottom + tof.y + tsz.y;
else
textop = geotop + tof.y;
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// Calculate bottom portion height
texbottom = textop - tsz.y;
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// 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);
}
if(poly.Count > 2)
{
// Keep top and bottom planes for intersection testing
top = osd.Ceiling.plane;
bottom = osd.Floor.plane;
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// Process the polygon and create vertices
List<WorldVertex> verts = CreatePolygonVertices(poly, tp, sd, lightvalue, lightabsolute);
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if(verts.Count > 0)
{
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// Apply alpha to vertices
byte alpha = SetLinedefRenderstyle(true);
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;
}
}
base.SetVertices(verts);
return true;
}
}
}
return false;
}
#endregion
#region ================== Methods
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// This performs a fast test in object picking
public override bool PickFastReject(Vector3D from, Vector3D to, Vector3D dir)
{
if(!repeatmidtex)
{
// Whe nthe texture is not repeated, leave when outside crop planes
if((pickintersect.z < bottomclipplane.GetZ(pickintersect)) ||
(pickintersect.z > topclipplane.GetZ(pickintersect)))
return false;
}
return base.PickFastReject(from, to, dir);
}
// Return texture name
public override string GetTextureName()
{
return this.Sidedef.MiddleTexture;
}
// This changes the texture
protected override void SetTexture(string texturename)
{
this.Sidedef.SetTextureMid(texturename);
General.Map.Data.UpdateUsedTextures();
this.Setup();
}
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protected override void SetTextureOffsetX(int x)
{
Sidedef.Fields.BeforeFieldsChange();
Sidedef.Fields["offsetx_mid"] = new UniValue(UniversalType.Float, (float)x);
}
protected override void SetTextureOffsetY(int y)
{
Sidedef.Fields.BeforeFieldsChange();
Sidedef.Fields["offsety_mid"] = new UniValue(UniversalType.Float, (float)y);
}
protected override void MoveTextureOffset(Point xy)
{
Sidedef.Fields.BeforeFieldsChange();
float oldx = Sidedef.Fields.GetValue("offsetx_mid", 0.0f);
float oldy = Sidedef.Fields.GetValue("offsety_mid", 0.0f);
float scalex = Sidedef.Fields.GetValue("scalex_mid", 1.0f);
float scaley = Sidedef.Fields.GetValue("scaley_mid", 1.0f);
Sidedef.Fields["offsetx_mid"] = new UniValue(UniversalType.Float, oldx + (float)xy.X * scalex);
Sidedef.Fields["offsety_mid"] = new UniValue(UniversalType.Float, oldy + (float)xy.Y * scaley);
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}
protected override Point GetTextureOffset()
{
float oldx = Sidedef.Fields.GetValue("offsetx_mid", 0.0f);
float oldy = Sidedef.Fields.GetValue("offsety_mid", 0.0f);
return new Point((int)oldx, (int)oldy);
}
#endregion
}
}