void P_SetSlopes ()
{
int i, s;
for (i = 0; i < numlines; i++)
{
if (lines[i].special == Plane_Align)
{
lines[i].special = 0;
if (lines[i].backsector != NULL)
{
// args[0] is for floor, args[1] is for ceiling
//
// As a special case, if args[1] is 0,
// then args[0], bits 2-3 are for ceiling.
for (s = 0; s < 2; s++)
{
int bits = lines[i].args[s] & 3;
if (s == 1 && bits == 0)
bits = (lines[i].args[0] >> 2) & 3;
if (bits == 1) // align front side to back
P_AlignPlane (lines[i].frontsector, lines + i, s);
else if (bits == 2) // align back side to front
P_AlignPlane (lines[i].backsector, lines + i, s);
}
}
}
}
void P_SetSlopes ()
{
int s;
for (auto &line : level.lines)
{
if (line.special == Plane_Align)
{
line.special = 0;
if (line.backsector != nullptr)
{
// args[0] is for floor, args[1] is for ceiling
//
// As a special case, if args[1] is 0,
// then args[0], bits 2-3 are for ceiling.
for (s = 0; s < 2; s++)
{
int bits = line.args[s] & 3;
if (s == 1 && bits == 0)
bits = (line.args[0] >> 2) & 3;
if (bits == 1) // align front side to back
P_AlignPlane (line.frontsector, &line, s);
else if (bits == 2) // align back side to front
P_AlignPlane (line.backsector, &line, s);
}
}
}
}
