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Renamed leftoffset to offset, to refer to its multifaceted uses.

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Also, discovered another undesirable bug, but don't understand exactly what's going on so won't describe it here.
This commit is contained in:
toasterbabe 2016-08-17 00:03:09 +01:00
parent 10a8682620
commit 84c39c24f9
1 changed files with 9 additions and 9 deletions
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18
src/r_things.c
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@ -1117,7 +1117,7 @@ static void R_ProjectSprite(mobj_t *thing)
angle_t ang;
fixed_t iscale;
fixed_t scalestep = 0; // toast '16
fixed_t leftoffset;
fixed_t offset;
//SoM: 3/17/2000
fixed_t gz, gzt;
@ -1237,10 +1237,10 @@ static void R_ProjectSprite(mobj_t *thing)
// calculate edges of the shape
if (flip)
leftoffset = spritecachedinfo[lump].width-spritecachedinfo[lump].offset;
offset = spritecachedinfo[lump].width-spritecachedinfo[lump].offset;
else
leftoffset = spritecachedinfo[lump].offset;
tx -= FixedMul(leftoffset, FixedMul(this_scale, ang_scale));
offset = spritecachedinfo[lump].offset;
tx -= FixedMul(offset, FixedMul(this_scale, ang_scale));
x1 = (centerxfrac + FixedMul (tx,xscale)) >>FRACBITS;
// off the right side?
@ -1260,16 +1260,16 @@ static void R_ProjectSprite(mobj_t *thing)
fixed_t yscale2;
INT32 range;
tr_x = thing->x + FixedMul(-leftoffset, FINECOSINE(ang>>ANGLETOFINESHIFT)) - viewx;
tr_y = thing->y + FixedMul(-leftoffset, FINESINE(ang>>ANGLETOFINESHIFT)) - viewy;
tr_x = thing->x + FixedMul(-offset, FINECOSINE(ang>>ANGLETOFINESHIFT)) - viewx;
tr_y = thing->y + FixedMul(-offset, FINESINE(ang>>ANGLETOFINESHIFT)) - viewy;
gxt = FixedMul(tr_x, viewcos);
gyt = -FixedMul(tr_y, viewsin);
tz = gxt-gyt;
yscale1 = FixedDiv(projectiony, tz);
leftoffset += spritecachedinfo[lump].width;
tr_x = thing->x + FixedMul(leftoffset, FINECOSINE(ang>>ANGLETOFINESHIFT)) - viewx;
tr_y = thing->y + FixedMul(leftoffset, FINESINE(ang>>ANGLETOFINESHIFT)) - viewy;
offset += spritecachedinfo[lump].width;
tr_x = thing->x + FixedMul(offset, FINECOSINE(ang>>ANGLETOFINESHIFT)) - viewx;
tr_y = thing->y + FixedMul(offset, FINESINE(ang>>ANGLETOFINESHIFT)) - viewy;
gxt = FixedMul(tr_x, viewcos);
gyt = -FixedMul(tr_y, viewsin);
tz = gxt-gyt;