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Merge branch 'step-down-ceiling' into 'next' 

Apply step up/down to opposite plane too

See merge request STJr/SRB2!1192
This commit is contained in:
James R 2020-10-15 19:11:13 -04:00
parent bd9fda8ceb b35633bb61
commit d6b314951e
1 changed files with 37 additions and 48 deletions
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85
src/p_map.c
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@ -2661,7 +2661,7 @@ boolean P_TryMove(mobj_t *thing, fixed_t x, fixed_t y, boolean allowdropoff)
fixed_t tryx = thing->x;
fixed_t tryy = thing->y;
fixed_t radius = thing->radius;
fixed_t thingtop = thing->z + thing->height;
fixed_t thingtop;
fixed_t startingonground = P_IsObjectOnGround(thing);
floatok = false;
@ -2702,6 +2702,11 @@ boolean P_TryMove(mobj_t *thing, fixed_t x, fixed_t y, boolean allowdropoff)
|| GETSECSPECIAL(R_PointInSubsector(x, y)->sector->special, 1) == 13)
maxstep <<= 1;
// If using type Section1:14, no maxstep.
if (P_PlayerTouchingSectorSpecial(thing->player, 1, 14)
|| GETSECSPECIAL(R_PointInSubsector(x, y)->sector->special, 1) == 14)
maxstep = 0;
// Don't 'step up' while springing,
// Only step up "if needed".
if (thing->player->panim == PA_SPRING
@ -2721,39 +2726,45 @@ boolean P_TryMove(mobj_t *thing, fixed_t x, fixed_t y, boolean allowdropoff)
floatok = true;
if (thing->eflags & MFE_VERTICALFLIP)
thingtop = thing->z + thing->height;
// Step up
if (thing->z < tmfloorz)
{
if (thing->z < tmfloorz)
if (tmfloorz - thing->z <= maxstep)
{
thing->z = thing->floorz = tmfloorz;
thing->floorrover = tmfloorrover;
thing->eflags |= MFE_JUSTSTEPPEDDOWN;
}
else
{
return false; // mobj must raise itself to fit
}
}
else if (tmceilingz < thingtop)
return false; // mobj must lower itself to fit
// Ramp test
if (maxstep > 0 && !(
thing->player && (
P_PlayerTouchingSectorSpecial(thing->player, 1, 14)
|| GETSECSPECIAL(R_PointInSubsector(x, y)->sector->special, 1) == 14)
)
)
{
if (thingtop - tmceilingz <= maxstep)
{
thing->z = ( thing->ceilingz = tmceilingz ) - thing->height;
thing->ceilingrover = tmceilingrover;
thing->eflags |= MFE_JUSTSTEPPEDDOWN;
}
else
{
return false; // mobj must lower itself to fit
}
}
else if (maxstep > 0) // Step down
{
// If the floor difference is MAXSTEPMOVE or less, and the sector isn't Section1:14, ALWAYS
// step down! Formerly required a Section1:13 sector for the full MAXSTEPMOVE, but no more.
if (thing->eflags & MFE_VERTICALFLIP)
if (thingtop == thing->ceilingz && tmceilingz > thingtop && tmceilingz - thingtop <= maxstep)
{
if (thingtop == thing->ceilingz && tmceilingz > thingtop && tmceilingz - thingtop <= maxstep)
{
thing->z = (thing->ceilingz = thingtop = tmceilingz) - thing->height;
thing->ceilingrover = tmceilingrover;
thing->eflags |= MFE_JUSTSTEPPEDDOWN;
}
else if (tmceilingz < thingtop && thingtop - tmceilingz <= maxstep)
{
thing->z = (thing->ceilingz = thingtop = tmceilingz) - thing->height;
thing->ceilingrover = tmceilingrover;
thing->eflags |= MFE_JUSTSTEPPEDDOWN;
}
thing->z = (thing->ceilingz = tmceilingz) - thing->height;
thing->ceilingrover = tmceilingrover;
thing->eflags |= MFE_JUSTSTEPPEDDOWN;
}
else if (thing->z == thing->floorz && tmfloorz < thing->z && thing->z - tmfloorz <= maxstep)
{
@ -2761,28 +2772,6 @@ boolean P_TryMove(mobj_t *thing, fixed_t x, fixed_t y, boolean allowdropoff)
thing->floorrover = tmfloorrover;
thing->eflags |= MFE_JUSTSTEPPEDDOWN;
}
else if (tmfloorz > thing->z && tmfloorz - thing->z <= maxstep)
{
thing->z = thing->floorz = tmfloorz;
thing->floorrover = tmfloorrover;
thing->eflags |= MFE_JUSTSTEPPEDDOWN;
}
}
if (thing->eflags & MFE_VERTICALFLIP)
{
if (thingtop - tmceilingz > maxstep)
{
if (tmfloorthing)
tmhitthing = tmfloorthing;
return false; // too big a step up
}
}
else if (tmfloorz - thing->z > maxstep)
{
if (tmfloorthing)
tmhitthing = tmfloorthing;
return false; // too big a step up
}
if (!allowdropoff && !(thing->flags & MF_FLOAT) && thing->type != MT_SKIM && !tmfloorthing)
@ -5050,4 +5039,4 @@ fixed_t P_CeilingzAtPos(fixed_t x, fixed_t y, fixed_t z, fixed_t height)
}
return ceilingz;
}
}