// This adds the matching, unmarked sidedefs from a vertex for texture alignment
private static void AddSidedefsForAlignment(Stack <SidedefAlignJob> stack, Vertex v, bool forward, float offsetx, long texturelongname)
{
foreach (Linedef ld in v.Linedefs)
{
Sidedef side1 = forward ? ld.Front : ld.Back;
Sidedef side2 = forward ? ld.Back : ld.Front;
if ((ld.Start == v) && (side1 != null) && !side1.Marked)
{
if (SidedefTextureMatch(side1, texturelongname))
{
SidedefAlignJob nj = new SidedefAlignJob();
nj.forward = forward;
nj.offsetx = offsetx;
nj.sidedef = side1;
stack.Push(nj);
}
}
else if ((ld.End == v) && (side2 != null) && !side2.Marked)
{
if (SidedefTextureMatch(side2, texturelongname))
{
SidedefAlignJob nj = new SidedefAlignJob();
nj.forward = forward;
nj.offsetx = offsetx;
nj.sidedef = side2;
stack.Push(nj);
}
}
}
}
// This performs texture alignment along all walls that match with the same texture
// NOTE: This method uses the sidedefs marking to indicate which sides have been aligned
// When resetsidemarks is set to true, all sidedefs will first be marked false (not aligned).
// Setting resetsidemarks to false is usefull to align only within a specific selection
// (set the marked property to true for the sidedefs outside the selection)
public static void AutoAlignTextures(Sidedef start, SidedefPart part, ImageData texture, bool alignx, bool aligny, bool resetsidemarks)
{
Stack <SidedefAlignJob> todo = new Stack <SidedefAlignJob>(50);
float scalex = (General.Map.Config.ScaledTextureOffsets && !texture.WorldPanning) ? texture.Scale.x : 1.0f;
float scaley = (General.Map.Config.ScaledTextureOffsets && !texture.WorldPanning) ? texture.Scale.y : 1.0f;
// Mark all sidedefs false (they will be marked true when the texture is aligned)
if (resetsidemarks)
{
General.Map.Map.ClearMarkedSidedefs(false);
}
if (!texture.IsImageLoaded)
{
return;
}
// Determine the Y alignment
float ystartalign = start.OffsetY;
switch (part)
{
case SidedefPart.Upper: ystartalign += start.Fields.GetValue("offsety_top", 0.0f); break;
case SidedefPart.Middle: ystartalign += start.Fields.GetValue("offsety_mid", 0.0f); break;
case SidedefPart.Lower: ystartalign += start.Fields.GetValue("offsety_bottom", 0.0f); break;
}
// Begin with first sidedef
SidedefAlignJob first = new SidedefAlignJob();
first.sidedef = start;
first.offsetx = start.OffsetX;
switch (part)
{
case SidedefPart.Upper: first.offsetx += start.Fields.GetValue("offsetx_top", 0.0f); break;
case SidedefPart.Middle: first.offsetx += start.Fields.GetValue("offsetx_mid", 0.0f); break;
case SidedefPart.Lower: first.offsetx += start.Fields.GetValue("offsetx_bottom", 0.0f); break;
}
first.forward = true;
todo.Push(first);
// Continue until nothing more to align
while (todo.Count > 0)
{
Vertex v;
float forwardoffset;
float backwardoffset;
float offsetscalex = 1.0f;
// Get the align job to do
SidedefAlignJob j = todo.Pop();
bool matchtop = ((j.sidedef.LongHighTexture == texture.LongName) && j.sidedef.HighRequired());
bool matchbottom = ((j.sidedef.LongLowTexture == texture.LongName) && j.sidedef.LowRequired());
bool matchmid = ((j.sidedef.LongMiddleTexture == texture.LongName) && (j.sidedef.MiddleRequired() || ((j.sidedef.MiddleTexture.Length > 0) && (j.sidedef.MiddleTexture[0] != '-'))));
if (matchtop)
{
offsetscalex = j.sidedef.Fields.GetValue("scalex_top", 1.0f);
}
else if (matchbottom)
{
offsetscalex = j.sidedef.Fields.GetValue("scalex_bottom", 1.0f);
}
else if (matchmid)
{
offsetscalex = j.sidedef.Fields.GetValue("scalex_mid", 1.0f);
}
if (j.forward)
{
// Apply alignment
if (alignx)
{
//j.sidedef.OffsetX = j.offsetx;
float offset = j.offsetx;
offset %= (float)texture.Height;
offset -= j.sidedef.OffsetX;
j.sidedef.Fields.BeforeFieldsChange();
if (matchtop)
{
j.sidedef.Fields["offsetx_top"] = new UniValue(UniversalType.Float, offset);
}
if (matchbottom)
{
j.sidedef.Fields["offsetx_bottom"] = new UniValue(UniversalType.Float, offset);
}
if (matchmid)
{
j.sidedef.Fields["offsetx_mid"] = new UniValue(UniversalType.Float, offset);
}
}
if (aligny)
{
//j.sidedef.OffsetY = (int)Math.Round((start.Sector.CeilHeight - j.sidedef.Sector.CeilHeight) / scaley) + start.OffsetY;
float offset = ((float)(start.Sector.CeilHeight - j.sidedef.Sector.CeilHeight) / scaley) + ystartalign;
offset %= (float)texture.Height;
offset -= j.sidedef.OffsetY;
j.sidedef.Fields.BeforeFieldsChange();
if (matchtop)
{
j.sidedef.Fields["offsety_top"] = new UniValue(UniversalType.Float, offset);
}
if (matchbottom)
{
j.sidedef.Fields["offsety_bottom"] = new UniValue(UniversalType.Float, offset);
}
if (matchmid)
{
j.sidedef.Fields["offsety_mid"] = new UniValue(UniversalType.Float, offset);
}
}
forwardoffset = j.offsetx + (int)Math.Round(j.sidedef.Line.Length / scalex * offsetscalex);
backwardoffset = j.offsetx;
// Done this sidedef
j.sidedef.Marked = true;
// Add sidedefs backward (connected to the left vertex)
v = j.sidedef.IsFront ? j.sidedef.Line.Start : j.sidedef.Line.End;
AddSidedefsForAlignment(todo, v, false, backwardoffset, texture.LongName);
// Add sidedefs forward (connected to the right vertex)
v = j.sidedef.IsFront ? j.sidedef.Line.End : j.sidedef.Line.Start;
AddSidedefsForAlignment(todo, v, true, forwardoffset, texture.LongName);
}
else
{
// Apply alignment
if (alignx)
{
//j.sidedef.OffsetX = j.offsetx - (int)Math.Round(j.sidedef.Line.Length / scalex);
float offset = j.offsetx - (int)Math.Round(j.sidedef.Line.Length / scalex);
offset %= (float)texture.Height;
offset -= j.sidedef.OffsetX;
j.sidedef.Fields.BeforeFieldsChange();
if (matchtop)
{
j.sidedef.Fields["offsetx_top"] = new UniValue(UniversalType.Float, offset);
}
if (matchbottom)
{
j.sidedef.Fields["offsetx_bottom"] = new UniValue(UniversalType.Float, offset);
}
if (matchmid)
{
j.sidedef.Fields["offsetx_mid"] = new UniValue(UniversalType.Float, offset);
}
}
if (aligny)
{
//j.sidedef.OffsetY = (int)Math.Round((start.Sector.CeilHeight - j.sidedef.Sector.CeilHeight) / scaley) + start.OffsetY;
float offset = ((float)(start.Sector.CeilHeight - j.sidedef.Sector.CeilHeight) / scaley) + ystartalign;
offset %= (float)texture.Height;
offset -= j.sidedef.OffsetY;
j.sidedef.Fields.BeforeFieldsChange();
if (matchtop)
{
j.sidedef.Fields["offsety_top"] = new UniValue(UniversalType.Float, offset);
}
if (matchbottom)
{
j.sidedef.Fields["offsety_bottom"] = new UniValue(UniversalType.Float, offset);
}
if (matchmid)
{
j.sidedef.Fields["offsety_mid"] = new UniValue(UniversalType.Float, offset);
}
}
forwardoffset = j.offsetx;
backwardoffset = j.offsetx - (int)Math.Round(j.sidedef.Line.Length / scalex * offsetscalex);
// Done this sidedef
j.sidedef.Marked = true;
// Add sidedefs forward (connected to the right vertex)
v = j.sidedef.IsFront ? j.sidedef.Line.End : j.sidedef.Line.Start;
AddSidedefsForAlignment(todo, v, true, forwardoffset, texture.LongName);
// Add sidedefs backward (connected to the left vertex)
v = j.sidedef.IsFront ? j.sidedef.Line.Start : j.sidedef.Line.End;
AddSidedefsForAlignment(todo, v, false, backwardoffset, texture.LongName);
}
}
}
