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- split off one part of clipmove into a utility function.

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This commit is contained in:
Christoph Oelckers 2022-10-25 19:54:44 +02:00
parent ef9efe30b6
commit 3c72eb43f9
2 changed files with 49 additions and 0 deletions
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48
source/core/gamefuncs.cpp
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@ -1606,6 +1606,54 @@ void collectClipObjects(MoveClipper& clip, int spritemask)
//
//==========================================================================
int FindBestSector(const DVector3& pos)
{
int bestnum = 1;
double bestdist = FLT_MAX;
for (int secnum = (int)sector.Size() - 1; secnum >= 0; secnum--)
{
auto sect = &sector[secnum];
if (inside(pos.X, pos.Y, sect))
{
double ceilz, floorz;
calcSlope(sect, pos.X, pos.Y, &ceilz, &floorz);
if (pos.Z < ceilz)
{
// above ceiling
double dist = ceilz - pos.Z;
if (dist < bestdist)
{
bestnum = secnum;
bestdist = dist;
}
}
else if (pos.Z > floorz)
{
// below floor
double dist = pos.Z - floorz;
if (dist < bestdist)
{
bestnum = secnum;
bestdist = dist;
}
}
else
{
// inside sector
return secnum;
}
}
}
return bestnum;
}
//==========================================================================
//
//
//
//==========================================================================
bool isAwayFromWall(DCoreActor* ac, double delta)
{
sectortype* s1;

1
source/core/gamefuncs.h
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@ -312,6 +312,7 @@ struct MoveClipper
};
void collectClipObjects(MoveClipper& clip, int spritemask);
int FindBestSector(const DVector3& pos);
int FindBestSector(const DVector3& pos);