OrdinaryMagician/vkdoom_m
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Remove extra magnitude from magic texture mapping values

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- These used to be fixed point, but now they're floating point, so the
  excess magnitude is unneeded.
This commit is contained in:
Randy Heit 2014-08-07 22:43:23 -05:00
commit 891b3da103
3 changed files with 13 additions and 16 deletions
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24
src/r_bsp.cpp
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@ -809,17 +809,17 @@ void FWallTmapVals::InitFromWallCoords(const FWallCoords *wallc)
{
if (MirrorFlags & RF_XFLIP)
{
UoverZorg = (float)wallc->tx2 * WallTMapScale;
UoverZstep = (float)(-wallc->ty2) * 32.f;
InvZorg = (float)(wallc->tx2 - wallc->tx1) * WallTMapScale;
InvZstep = (float)(wallc->ty1 - wallc->ty2) * 32.f;
UoverZorg = (float)wallc->tx2 * centerx;
UoverZstep = (float)(-wallc->ty2);
InvZorg = (float)(wallc->tx2 - wallc->tx1) * centerx;
InvZstep = (float)(wallc->ty1 - wallc->ty2);
}
else
{
UoverZorg = (float)wallc->tx1 * WallTMapScale;
UoverZstep = (float)(-wallc->ty1) * 32.f;
InvZorg = (float)(wallc->tx1 - wallc->tx2) * WallTMapScale;
InvZstep = (float)(wallc->ty2 - wallc->ty1) * 32.f;
UoverZorg = (float)wallc->tx1 * centerx;
UoverZstep = (float)(-wallc->ty1);
InvZorg = (float)(wallc->tx1 - wallc->tx2) * centerx;
InvZstep = (float)(wallc->ty2 - wallc->ty1);
}
InitDepth();
}
@ -837,10 +837,10 @@ void FWallTmapVals::InitFromLine(int tx1, int ty1, int tx2, int ty2)
fullx2 = -fullx2;
}
UoverZorg = (float)fullx1 * WallTMapScale;
UoverZstep = (float)(-fully1) * 32.f;
InvZorg = (float)(fullx1 - fullx2) * WallTMapScale;
InvZstep = (float)(fully2 - fully1) * 32.f;
UoverZorg = (float)fullx1 * centerx;
UoverZstep = (float)(-fully1);
InvZorg = (float)(fullx1 - fullx2) * centerx;
InvZstep = (float)(fully2 - fully1);
InitDepth();
}