mirror of
https://github.com/DrBeef/Raze.git
synced 2024-11-26 14:01:05 +00:00
104 lines
3.3 KiB
C++
104 lines
3.3 KiB
C++
//-------------------------------------------------------------------------
|
|
/*
|
|
Copyright (C) 2022 Christoph Oelckers
|
|
|
|
This is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
|
|
See the GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
|
|
*/
|
|
//-------------------------------------------------------------------------
|
|
//
|
|
// updatesector utilities. Reimplementations of EDuke32's checks with
|
|
// proper C++ classes. (Original Build updatesector is insufficient and broken)
|
|
|
|
|
|
// checker functions for updatesector's template parameter.
|
|
inline int inside0(double x, double y, double z, const sectortype* sect)
|
|
{
|
|
return inside(x, y, sect);
|
|
}
|
|
|
|
inline int insideZ(double x, double y, double z, const sectortype* sect)
|
|
{
|
|
double cz, fz;
|
|
calcSlope(sect, x, y, &cz, &fz);
|
|
return (z >= cz && z <= fz && inside(x, y, sect) != 0);
|
|
}
|
|
|
|
template<class Inside>
|
|
void DoUpdateSector(double x, double y, double z, int* sectnum, double maxDistance, Inside checker)
|
|
{
|
|
double maxDistSq = maxDistance * maxDistance;
|
|
|
|
if (validSectorIndex(*sectnum))
|
|
{
|
|
if (checker(x, y, z, §or[*sectnum]))
|
|
return;
|
|
|
|
BFSSearch search(sector.Size(), *sectnum);
|
|
|
|
int iter = 0;
|
|
for (unsigned secnum; (secnum = search.GetNext()) != BFSSearch::EOL;)
|
|
{
|
|
auto lsect = §or[secnum];
|
|
if (checker(x, y, z, lsect))
|
|
{
|
|
*sectnum = secnum;
|
|
return;
|
|
}
|
|
|
|
for (auto& wal : lsect->walls)
|
|
{
|
|
if (wal.twoSided() && !search.Check(wal.nextsector) && (iter == 0 || SquareDistToWall(x, y, &wal) <= maxDistSq))
|
|
search.Add(wal.nextsector);
|
|
}
|
|
iter++;
|
|
}
|
|
}
|
|
|
|
for (int i = (int)sector.Size() - 1; i >= 0; i--)
|
|
if (checker(x, y, z, §or[i]))
|
|
{
|
|
*sectnum = i;
|
|
return;
|
|
}
|
|
*sectnum = -1;
|
|
}
|
|
|
|
|
|
constexpr int MAXUPDATESECTORDIST = 96;
|
|
|
|
inline void updatesector(const DVector3& pos, sectortype** const sectp, double maxDistance = MAXUPDATESECTORDIST)
|
|
{
|
|
int sectno = *sectp ? sector.IndexOf(*sectp) : -1;
|
|
DoUpdateSector(pos.X, pos.Y, pos.Z, §no, maxDistance, inside0);
|
|
*sectp = sectno == -1 ? nullptr : §or[sectno];
|
|
}
|
|
|
|
inline void updatesector(const DVector2& pos, sectortype** const sectp, double maxDistance = MAXUPDATESECTORDIST)
|
|
{
|
|
int sectno = *sectp ? sector.IndexOf(*sectp) : -1;
|
|
DoUpdateSector(pos.X, pos.Y, 0, §no, maxDistance, inside0);
|
|
*sectp = sectno == -1 ? nullptr : §or[sectno];
|
|
}
|
|
|
|
|
|
inline void updatesectorz(const DVector3& pos, sectortype** const sectp, double maxDistance = MAXUPDATESECTORDIST)
|
|
{
|
|
int sectno = *sectp ? sector.IndexOf(*sectp) : -1;
|
|
DoUpdateSector(pos.X, pos.Y, pos.Z, §no, maxDistance, insideZ);
|
|
*sectp = sectno == -1 ? nullptr : §or[sectno];
|
|
}
|
|
|