Esempio n. 1
0
//
// P_FindNextLowestFloor()
//
// Passed a sector and a floor height, returns the fixed point value
// of the largest floor height in a surrounding sector smaller than
// the floor height passed. If no such height exists the floorheight
// passed is returned.
//
// jff 02/03/98 Twiddled Lee's P_FindNextHighestFloor to make this
//
fixed_t sector_t::FindNextLowestFloor (vertex_t **v) const
{
	fixed_t height;
	fixed_t heightdiff;
	fixed_t ofloor, floor;
	sector_t *other;
	vertex_t *spot;
	line_t *check;
	int i;

	if (linecount == 0) return GetPlaneTexZ(sector_t::floor);

	spot = lines[0]->v1;
	height = floorplane.ZatPoint (spot);
	heightdiff = FIXED_MAX;

	for (i = 0; i < linecount; i++)
	{
		check = lines[i];
		if (NULL != (other = getNextSector (check, this)))
		{
			if (other - sectors == 6)
				other = other;
			ofloor = other->floorplane.ZatPoint (check->v1);
			floor = floorplane.ZatPoint (check->v1);
			if (ofloor < floor && floor - ofloor < heightdiff && !IsLinked(other, false))
			{
				heightdiff = floor - ofloor;
				height = ofloor;
				spot = check->v1;
			}
			ofloor = other->floorplane.ZatPoint (check->v2);
			floor = floorplane.ZatPoint (check->v2);
			if (ofloor < floor && floor - ofloor < heightdiff && !IsLinked(other, false))
			{
				heightdiff = floor - ofloor;
				height = ofloor;
				spot = check->v2;
			}
		}
	}
	if (v != NULL)
		*v = spot;
	return height;
}
Esempio n. 2
0
//
// P_FindNextLowestCeiling()
//
// Passed a sector and a ceiling height, returns the fixed point value
// of the largest ceiling height in a surrounding sector smaller than
// the ceiling height passed. If no such height exists the ceiling height
// passed is returned.
//
// jff 02/03/98 Twiddled Lee's P_FindNextHighestFloor to make this
//
fixed_t sector_t::FindNextLowestCeiling (vertex_t **v) const
{
	fixed_t height;
	fixed_t heightdiff;
	fixed_t oceil, ceil;
	sector_t *other;
	vertex_t *spot;
	line_t *check;
	int i;


	if (linecount == 0) return GetPlaneTexZ(sector_t::ceiling);

	spot = lines[0]->v1;
	height = ceilingplane.ZatPoint (spot);
	heightdiff = FIXED_MAX;

	for (i = 0; i < linecount; i++)
	{
		check = lines[i];
		if (NULL != (other = getNextSector (check, this)))
		{
			oceil = other->ceilingplane.ZatPoint (check->v1);
			ceil = ceilingplane.ZatPoint (check->v1);
			if (oceil < ceil && ceil - oceil < heightdiff && !IsLinked(other, true))
			{
				heightdiff = ceil - oceil;
				height = oceil;
				spot = check->v1;
			}
			oceil = other->ceilingplane.ZatPoint (check->v2);
			ceil = ceilingplane.ZatPoint (check->v2);
			if (oceil < ceil && ceil - oceil < heightdiff && !IsLinked(other, true))
			{
				heightdiff = ceil - oceil;
				height = oceil;
				spot = check->v2;
			}
		}
	}
	if (v != NULL)
		*v = spot;
	return height;
}
Esempio n. 3
0
//
// P_FindLowestFloorSurrounding()
// FIND LOWEST FLOOR HEIGHT IN SURROUNDING SECTORS
//
fixed_t sector_t::FindLowestFloorSurrounding (vertex_t **v) const
{
	int i;
	sector_t *other;
	line_t *check;
	fixed_t floor;
	fixed_t ofloor;
	vertex_t *spot;

	if (linecount == 0) return GetPlaneTexZ(sector_t::floor);

	spot = lines[0]->v1;
	floor = floorplane.ZatPoint (spot);

	for (i = 0; i < linecount; i++)
	{
		check = lines[i];
		if (NULL != (other = getNextSector (check, this)))
		{
			ofloor = other->floorplane.ZatPoint (check->v1);
			if (ofloor < floor && ofloor < floorplane.ZatPoint (check->v1))
			{
				floor = ofloor;
				spot = check->v1;
			}
			ofloor = other->floorplane.ZatPoint (check->v2);
			if (ofloor < floor && ofloor < floorplane.ZatPoint (check->v2))
			{
				floor = ofloor;
				spot = check->v2;
			}
		}
	}
	if (v != NULL)
		*v = spot;
	return floor;
}
Esempio n. 4
0
//
// FIND HIGHEST CEILING IN THE SURROUNDING SECTORS
//
fixed_t sector_t::FindHighestCeilingSurrounding (vertex_t **v) const
{
	fixed_t height;
	fixed_t oceil;
	sector_t *other;
	vertex_t *spot;
	line_t *check;
	int i;

	if (linecount == 0) return GetPlaneTexZ(sector_t::ceiling);

	spot = lines[0]->v1;
	height = FIXED_MIN;

	for (i = 0; i < linecount; i++)
	{
		check = lines[i];
		if (NULL != (other = getNextSector (check, this)))
		{
			oceil = other->ceilingplane.ZatPoint (check->v1);
			if (oceil > height)
			{
				height = oceil;
				spot = check->v1;
			}
			oceil = other->ceilingplane.ZatPoint (check->v2);
			if (oceil > height)
			{
				height = oceil;
				spot = check->v2;
			}
		}
	}
	if (v != NULL)
		*v = spot;
	return height;
}