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- Fix wall UV scaling and offsetting bugs in softpoly

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This commit is contained in:
Magnus Norddahl 2017-08-16 22:26:05 +02:00
parent c3562fead2
commit fbd381988b
2 changed files with 45 additions and 54 deletions
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93
src/polyrenderer/scene/poly_wall.cpp
View file

@ -388,43 +388,41 @@ PolyWallTextureCoordsU::PolyWallTextureCoordsU(FTexture *tex, const seg_t *lines
t2 = (lineseg->v2->fY() - line->v1->fY()) / deltaY; t2 = (lineseg->v2->fY() - line->v1->fY()) / deltaY;
} }
int texWidth = tex->GetWidth(); if (t2 < t1)
double uscale = side->GetTextureXScale(texpart) * tex->Scale.X; std::swap(t1, t2);
u1 = t1 * side->TexelLength + side->GetTextureXOffset(texpart);
u2 = t2 * side->TexelLength + side->GetTextureXOffset(texpart); u1 = t1 * side->TexelLength * side->GetTextureXScale(texpart);
u1 *= uscale; u2 = t2 * side->TexelLength * side->GetTextureXScale(texpart);
u2 *= uscale; u1 += side->GetTextureXOffset(texpart);
u1 /= texWidth; u2 += side->GetTextureXOffset(texpart);
u2 /= texWidth; u1 *= tex->Scale.X / tex->GetWidth();
u2 *= tex->Scale.X / tex->GetWidth();
} }
///////////////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////////////
PolyWallTextureCoordsV::PolyWallTextureCoordsV(FTexture *tex, const line_t *line, const side_t *side, side_t::ETexpart texpart, double topz, double bottomz, double unpeggedceil, double topTexZ, double bottomTexZ) PolyWallTextureCoordsV::PolyWallTextureCoordsV(FTexture *tex, const line_t *line, const side_t *side, side_t::ETexpart texpart, double topz, double bottomz, double unpeggedceil, double topTexZ, double bottomTexZ)
{ {
double vscale = side->GetTextureYScale(texpart) * tex->Scale.Y;
double yoffset = side->GetTextureYOffset(texpart); double yoffset = side->GetTextureYOffset(texpart);
if (tex->bWorldPanning) if (tex->bWorldPanning)
yoffset *= vscale; yoffset *= side->GetTextureYScale(texpart) * tex->Scale.Y;
switch (texpart) switch (texpart)
{ {
default: default:
case side_t::mid: case side_t::mid:
CalcVMidPart(tex, line, side, topTexZ, bottomTexZ, vscale, yoffset); CalcVMidPart(tex, line, side, topTexZ, bottomTexZ, yoffset);
break; break;
case side_t::top: case side_t::top:
CalcVTopPart(tex, line, side, topTexZ, bottomTexZ, vscale, yoffset); CalcVTopPart(tex, line, side, topTexZ, bottomTexZ, yoffset);
break; break;
case side_t::bottom: case side_t::bottom:
CalcVBottomPart(tex, line, side, topTexZ, bottomTexZ, unpeggedceil, vscale, yoffset); CalcVBottomPart(tex, line, side, topTexZ, bottomTexZ, unpeggedceil, yoffset);
break; break;
} }
int texHeight = tex->GetHeight(); v1 *= tex->Scale.Y / tex->GetHeight();
v1 /= texHeight; v2 *= tex->Scale.Y / tex->GetHeight();
v2 /= texHeight;
double texZHeight = (bottomTexZ - topTexZ); double texZHeight = (bottomTexZ - topTexZ);
if (texZHeight > 0.0f || texZHeight < -0.0f) if (texZHeight > 0.0f || texZHeight < -0.0f)
@ -438,60 +436,53 @@ PolyWallTextureCoordsV::PolyWallTextureCoordsV(FTexture *tex, const line_t *line
} }
} }
void PolyWallTextureCoordsV::CalcVTopPart(FTexture *tex, const line_t *line, const side_t *side, double topz, double bottomz, double vscale, double yoffset) void PolyWallTextureCoordsV::CalcVTopPart(FTexture *tex, const line_t *line, const side_t *side, double topz, double bottomz, double yoffset)
{ {
bool pegged = (line->flags & ML_DONTPEGTOP) == 0; bool pegged = (line->flags & ML_DONTPEGTOP) == 0;
if (pegged) // bottom to top if (pegged) // bottom to top
{ {
int texHeight = tex->GetHeight(); double texHeight = tex->GetHeight() / tex->Scale.Y;
v1 = -yoffset; v1 = (topz - bottomz) * side->GetTextureYScale(side_t::top) - yoffset;
v2 = v1 + (topz - bottomz); v2 = -yoffset;
v1 *= vscale;
v2 *= vscale;
v1 = texHeight - v1; v1 = texHeight - v1;
v2 = texHeight - v2; v2 = texHeight - v2;
std::swap(v1, v2);
} }
else // top to bottom else // top to bottom
{ {
v1 = yoffset; v1 = yoffset;
v2 = v1 + (topz - bottomz); v2 = (topz - bottomz) * side->GetTextureYScale(side_t::top) + yoffset;
v1 *= vscale;
v2 *= vscale;
} }
} }
void PolyWallTextureCoordsV::CalcVMidPart(FTexture *tex, const line_t *line, const side_t *side, double topz, double bottomz, double vscale, double yoffset) void PolyWallTextureCoordsV::CalcVMidPart(FTexture *tex, const line_t *line, const side_t *side, double topz, double bottomz, double yoffset)
{
bool pegged = (line->flags & ML_DONTPEGBOTTOM) == 0;
if (pegged) // top to bottom
{
v1 = yoffset * vscale;
v2 = (yoffset + (topz - bottomz)) * vscale;
}
else // bottom to top
{
int texHeight = tex->GetHeight();
v1 = texHeight - (-yoffset + (topz - bottomz)) * vscale;
v2 = texHeight + yoffset * vscale;
}
}
void PolyWallTextureCoordsV::CalcVBottomPart(FTexture *tex, const line_t *line, const side_t *side, double topz, double bottomz, double unpeggedceil, double vscale, double yoffset)
{ {
bool pegged = (line->flags & ML_DONTPEGBOTTOM) == 0; bool pegged = (line->flags & ML_DONTPEGBOTTOM) == 0;
if (pegged) // top to bottom if (pegged) // top to bottom
{ {
v1 = yoffset; v1 = yoffset;
v2 = v1 + (topz - bottomz); v2 = (topz - bottomz) * side->GetTextureYScale(side_t::mid) + yoffset;
v1 *= vscale; }
v2 *= vscale; else // bottom to top
{
double texHeight = tex->GetHeight() / tex->Scale.Y;
v1 = yoffset - (topz - bottomz) * side->GetTextureYScale(side_t::mid);
v2 = yoffset;
v1 = texHeight + v1;
v2 = texHeight + v2;
}
}
void PolyWallTextureCoordsV::CalcVBottomPart(FTexture *tex, const line_t *line, const side_t *side, double topz, double bottomz, double unpeggedceil, double yoffset)
{
bool pegged = (line->flags & ML_DONTPEGBOTTOM) == 0;
if (pegged) // top to bottom
{
v1 = yoffset;
v2 = yoffset + (topz - bottomz) * side->GetTextureYScale(side_t::bottom);
} }
else else
{ {
v1 = yoffset + (unpeggedceil - topz); v1 = yoffset + (unpeggedceil - topz) * side->GetTextureYScale(side_t::bottom);
v2 = v1 + (topz - bottomz); v2 = yoffset + (unpeggedceil - bottomz) * side->GetTextureYScale(side_t::bottom);
v1 *= vscale;
v2 *= vscale;
} }
} }

6
src/polyrenderer/scene/poly_wall.h
View file

@ -80,7 +80,7 @@ public:
double v1, v2; double v1, v2;
private: private:
void CalcVTopPart(FTexture *tex, const line_t *line, const side_t *side, double topz, double bottomz, double vscale, double yoffset); void CalcVTopPart(FTexture *tex, const line_t *line, const side_t *side, double topz, double bottomz, double yoffset);
void CalcVMidPart(FTexture *tex, const line_t *line, const side_t *side, double topz, double bottomz, double vscale, double yoffset); void CalcVMidPart(FTexture *tex, const line_t *line, const side_t *side, double topz, double bottomz, double yoffset);
void CalcVBottomPart(FTexture *tex, const line_t *line, const side_t *side, double topz, double bottomz, double unpeggedceil, double vscale, double yoffset); void CalcVBottomPart(FTexture *tex, const line_t *line, const side_t *side, double topz, double bottomz, double unpeggedceil, double yoffset);
}; };