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Alter MF_NOCLIP behavior

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- Things with MF_NOCLIP can still run code when touching things, but won't be blocked by them.
- Things need both (MF_NOCLIP|MF_NOCLIPTHING) to do a single movement step, since MF_NOCLIP can do thing collision now.
This commit is contained in:
Sally Coolatta 2022-12-19 04:39:46 -05:00
parent 3d33b95094
commit 65e6e54e7d
1 changed files with 13 additions and 4 deletions
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17
src/p_map.c
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@ -2131,9 +2131,6 @@ boolean P_CheckPosition(mobj_t *thing, fixed_t x, fixed_t y, TryMoveResult_t *re
// reset special lines // reset special lines
numspechit = 0U; numspechit = 0U;
if (tm.flags & MF_NOCLIP)
return true;
// Check things first, possibly picking things up. // Check things first, possibly picking things up.
// MF_NOCLIPTHING: used by camera to not be blocked by things // MF_NOCLIPTHING: used by camera to not be blocked by things
@ -2160,6 +2157,15 @@ boolean P_CheckPosition(mobj_t *thing, fixed_t x, fixed_t y, TryMoveResult_t *re
} }
} }
if (tm.flags & MF_NOCLIP)
{
// Sal 12/19/2022 -- PIT_CheckThing code will still run
// with MF_NOCLIP enabled, but they won't be blocked
// regardless of the result. This allows for SPBs and
// the UFO to collide.
return true;
}
validcount++; validcount++;
// check lines // check lines
@ -2628,7 +2634,10 @@ increment_move
radius = min(radius, 16*mapobjectscale); radius = min(radius, 16*mapobjectscale);
do { do {
if (thing->flags & MF_NOCLIP) // Sal 12/19/2022 -- PIT_CheckThing code now runs
// with MF_NOCLIP enabled, so we want step-by-step
// for anything that doesn't have both enabled.
if ((thing->flags & (MF_NOCLIP|MF_NOCLIPTHING)) == (MF_NOCLIP|MF_NOCLIPTHING))
{ {
tryx = x; tryx = x;
tryy = y; tryy = y;