Merge branch 'udmf-conveyor-flip' into 'next'

Automatically apply flipspecial to upside-down FOF conveyor belts

See merge request STJr/SRB2!1827
This commit is contained in:
sphere 2022-10-28 09:11:18 +00:00
commit fa4394b3ad

View file

@ -7476,6 +7476,17 @@ void T_Scroll(scroll_t *s)
} // end of switch
}
static boolean IsSector3DBlock(sector_t* sec)
{
size_t i;
for (i = 0; i < sec->linecount; i++)
{
if (sec->lines[i]->special >= 100 && sec->lines[i]->special < 300)
return true;
}
return false;
}
/** Adds a generalized scroller to the thinker list.
*
* \param type The enumerated type of scrolling.
@ -7489,6 +7500,7 @@ void T_Scroll(scroll_t *s)
*/
static void Add_Scroller(INT32 type, fixed_t dx, fixed_t dy, INT32 control, INT32 affectee, INT32 accel, INT32 exclusive)
{
boolean is3dblock = IsSector3DBlock(&sectors[affectee]);
scroll_t *s = Z_Calloc(sizeof *s, PU_LEVSPEC, NULL);
s->thinker.function.acp1 = (actionf_p1)T_Scroll;
s->type = type;
@ -7502,7 +7514,16 @@ static void Add_Scroller(INT32 type, fixed_t dx, fixed_t dy, INT32 control, INT3
s->last_height = sectors[control].floorheight + sectors[control].ceilingheight;
s->affectee = affectee;
if (type == sc_carry || type == sc_carry_ceiling)
{
sectors[affectee].specialflags |= SSF_CONVEYOR;
if (is3dblock)
{
if (type == sc_carry)
sectors[affectee].flags |= MSF_FLIPSPECIAL_CEILING;
else
sectors[affectee].flags |= MSF_FLIPSPECIAL_FLOOR;
}
}
P_AddThinker(THINK_MAIN, &s->thinker);
}