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Duke: lower the coordinate precision for calculating the sector's center for ST09 to original Build.

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This is needed so that some maps with not quite correct setups still work. Found in Roch3.
This commit is contained in:
Christoph Oelckers 2024-10-08 13:29:32 +02:00
parent f3cad8426c
commit 97a71bad5d
1 changed files with 7 additions and 7 deletions
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14
source/games/duke/src/sectors.cpp
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@ -566,15 +566,15 @@ static void handle_st09(sectortype* sptr, DDukeActor* actor)
sp = (sptr->extra >> 4) / 16.;
//first find center point by averaging all points
dax = 0, day = 0;
//first find center point by averaging all points (in Build coordinate system to ensure the higher precision does not affect the result)
int idax = 0, iday = 0;
for (auto& wal : sptr->walls)
{
dax += wal.pos.X;
day += wal.pos.Y;
idax += int(wal.pos.X * 16);
iday += int(wal.pos.Y * 16);
}
dax /= sptr->walls.Size();
day /= sptr->walls.Size();
dax = (idax / (int)sptr->walls.Size()) / 16.;
day = (iday / (int)sptr->walls.Size()) / 16.;
//find any points with either same x or same y coordinate
// as center (dax, day) - should be 2 points found.
@ -598,7 +598,7 @@ static void handle_st09(sectortype* sptr, DDukeActor* actor)
auto prevwall = wal - 1;
if (prevwall < sptr->walls.Data()) prevwall += sptr->walls.Size();
if ((wal->pos.X == dax) && (wal->pos.Y == day))
if (abs(wal->pos.X - dax) <= (1 / 32.) && abs(wal->pos.Y - day) <= (1 / 32.))
{
dax2 = ((prevwall->pos.X + wal->point2Wall()->pos.X) * 0.5) - wal->pos.X;
day2 = ((prevwall->pos.Y + wal->point2Wall()->pos.Y) * 0.5) - wal->pos.Y;