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Modify P_CheckSector with a modified version of Sal's attempted proper fix for polyobjects crushing, so that we only need to check the polyobject's control sector directly in the waypoints code.

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This time I've definitely fixed that teleport to ground issue I'm pretty sure, I don't get it in my tests at least.
This commit is contained in:
Monster Iestyn 2019-08-15 14:20:52 +01:00
parent 81b294eec1
commit 8fa54c1ab4
2 changed files with 99 additions and 6 deletions
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97
src/p_map.c
View file

@ -3345,6 +3345,7 @@ static boolean PIT_ChangeSector(mobj_t *thing, boolean realcrush)
boolean P_CheckSector(sector_t *sector, boolean crunch)
{
msecnode_t *n;
size_t i;
nofit = false;
crushchange = crunch;
@ -3359,9 +3360,57 @@ boolean P_CheckSector(sector_t *sector, boolean crunch)
// First, let's see if anything will keep it from crushing.
// Sal: This stupid function chain is required to fix polyobjects not being able to crush.
// Monster Iestyn: don't use P_CheckSector actually just look for objects in the blockmap instead
validcount++;
for (i = 0; i < sector->linecount; i++)
{
if (sector->lines[i]->polyobj)
{
polyobj_t *po = sector->lines[i]->polyobj;
if (po->validcount == validcount)
continue; // skip if already checked
if (!(po->flags & POF_SOLID))
continue;
if (po->lines[0]->backsector == sector) // Make sure you're currently checking the control sector
{
INT32 x, y;
po->validcount = validcount;
for (y = po->blockbox[BOXBOTTOM]; y <= po->blockbox[BOXTOP]; ++y)
{
for (x = po->blockbox[BOXLEFT]; x <= po->blockbox[BOXRIGHT]; ++x)
{
mobj_t *mo;
if (x < 0 || y < 0 || x >= bmapwidth || y >= bmapheight)
continue;
mo = blocklinks[y * bmapwidth + x];
for (; mo; mo = mo->bnext)
{
// Monster Iestyn: do we need to check if a mobj has already been checked? ...probably not I suspect
if (!P_MobjTouchingPolyobj(po, mo))
continue;
if (!PIT_ChangeSector(mo, false))
{
nofit = true;
return nofit;
}
}
}
}
}
}
}
if (sector->numattached)
{
size_t i;
sector_t *sec;
for (i = 0; i < sector->numattached; i++)
{
@ -3421,9 +3470,53 @@ boolean P_CheckSector(sector_t *sector, boolean crunch)
} while (n); // repeat from scratch until all things left are marked valid
// Nothing blocked us, so lets crush for real!
// Sal: This stupid function chain is required to fix polyobjects not being able to crush.
// Monster Iestyn: don't use P_CheckSector actually just look for objects in the blockmap instead
validcount++;
for (i = 0; i < sector->linecount; i++)
{
if (sector->lines[i]->polyobj)
{
polyobj_t *po = sector->lines[i]->polyobj;
if (po->validcount == validcount)
continue; // skip if already checked
if (!(po->flags & POF_SOLID))
continue;
if (po->lines[0]->backsector == sector) // Make sure you're currently checking the control sector
{
INT32 x, y;
po->validcount = validcount;
for (y = po->blockbox[BOXBOTTOM]; y <= po->blockbox[BOXTOP]; ++y)
{
for (x = po->blockbox[BOXLEFT]; x <= po->blockbox[BOXRIGHT]; ++x)
{
mobj_t *mo;
if (x < 0 || y < 0 || x >= bmapwidth || y >= bmapheight)
continue;
mo = blocklinks[y * bmapwidth + x];
for (; mo; mo = mo->bnext)
{
// Monster Iestyn: do we need to check if a mobj has already been checked? ...probably not I suspect
if (!P_MobjTouchingPolyobj(po, mo))
continue;
PIT_ChangeSector(mo, true);
return nofit;
}
}
}
}
}
}
if (sector->numattached)
{
size_t i;
sector_t *sec;
for (i = 0; i < sector->numattached; i++)
{

8
src/p_polyobj.c
View file

@ -1860,7 +1860,7 @@ void T_PolyObjWaypoint(polywaypoint_t *th)
po->lines[0]->backsector->floorheight = target->z - amtz;
po->lines[0]->backsector->ceilingheight = target->z + amtz;
// Sal: Remember to check your sectors!
P_CheckSector(po->lines[0]->frontsector, (boolean)(po->damage));
//P_CheckSector(po->lines[0]->frontsector, (boolean)(po->damage));
P_CheckSector(po->lines[0]->backsector, (boolean)(po->damage));
// Apply action to mirroring polyobjects as well
start = 0;
@ -1874,7 +1874,7 @@ void T_PolyObjWaypoint(polywaypoint_t *th)
po->lines[0]->backsector->floorheight += diffz; // move up/down by same amount as the parent did
po->lines[0]->backsector->ceilingheight += diffz;
// Sal: Remember to check your sectors!
P_CheckSector(po->lines[0]->frontsector, (boolean)(po->damage));
//P_CheckSector(po->lines[0]->frontsector, (boolean)(po->damage));
P_CheckSector(po->lines[0]->backsector, (boolean)(po->damage));
}
@ -2037,7 +2037,7 @@ void T_PolyObjWaypoint(polywaypoint_t *th)
po->lines[0]->backsector->floorheight += momz;
po->lines[0]->backsector->ceilingheight += momz;
// Sal: Remember to check your sectors!
P_CheckSector(po->lines[0]->frontsector, (boolean)(po->damage)); // frontsector is NEEDED for crushing
//P_CheckSector(po->lines[0]->frontsector, (boolean)(po->damage)); // frontsector is NEEDED for crushing
P_CheckSector(po->lines[0]->backsector, (boolean)(po->damage)); // backsector may not be necessary, but just in case
// Apply action to mirroring polyobjects as well
@ -2052,7 +2052,7 @@ void T_PolyObjWaypoint(polywaypoint_t *th)
po->lines[0]->backsector->floorheight += momz;
po->lines[0]->backsector->ceilingheight += momz;
// Sal: Remember to check your sectors!
P_CheckSector(po->lines[0]->frontsector, (boolean)(po->damage));
//P_CheckSector(po->lines[0]->frontsector, (boolean)(po->damage));
P_CheckSector(po->lines[0]->backsector, (boolean)(po->damage));
}
}