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Effect 4 on a map line now makes the front midtexture solid

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(Supports Effect 5 repeating of arbitrary lengths, but not of the automatic "top-to-bottom" type; just use Impassible there!)
This commit is contained in:
RedEnchilada 2015-03-29 00:49:27 -05:00
parent a2af7ba305
commit 808775de02
1 changed files with 33 additions and 0 deletions
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33
src/p_maputl.c
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@ -17,6 +17,7 @@
#include "p_local.h"
#include "r_main.h"
#include "r_data.h"
#include "p_maputl.h"
#include "p_polyobj.h"
#include "z_zone.h"
@ -520,6 +521,38 @@ void P_LineOpening(line_t *linedef)
{
fixed_t thingtop = tmthing->z + tmthing->height;
// Check for collision with front side's midtexture if Effect 4 is set
if (linedef->flags & ML_EFFECT4) {
side_t *side = &sides[linedef->sidenum[0]];
fixed_t textop, texbottom, texheight;
fixed_t texmid, delta1, delta2;
// Get the midtexture's height
texheight = textures[texturetranslation[side->midtexture]]->height << FRACBITS;
// Set texbottom and textop to the Z coordinates of the texture's boundaries
if (linedef->flags & ML_DONTPEGBOTTOM) {
texbottom = openbottom + side->rowoffset;
textop = texbottom + texheight*(side->repeatcnt+1);
} else {
textop = opentop - side->rowoffset;
texbottom = textop - texheight*(side->repeatcnt+1);
}
texmid = texbottom+(textop-texbottom)/2;
delta1 = abs(tmthing->z - texmid);
delta2 = abs(thingtop - texmid);
if (delta1 > delta2) { // Below
if (opentop > texbottom)
opentop = texbottom;
} else { // Above
if (openbottom < textop)
openbottom = textop;
}
}
// Check for fake floors in the sector.
if (front->ffloors || back->ffloors
#ifdef POLYOBJECTS