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Add FOF behavior switch to P_LineOpening

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Finally fixes the very specific issue on Endless Mine ( https://cdn.discordapp.com/attachments/1006454720686202951/1106749881663631420/image.png )
This commit is contained in:
Sally Coolatta 2023-05-13 01:14:40 -04:00
parent 6fa821b2d3
commit 002e25905b
3 changed files with 68 additions and 19 deletions
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78
src/p_maputl.c
View file

@ -754,24 +754,30 @@ void P_LineOpening(line_t *linedef, mobj_t *mobj, opening_t *open)
if (delta1 > delta2)
{
if (polybottom < open->ceiling)
if (open->fofType != LO_FOF_FLOORS)
{
open->ceiling = polybottom;
}
else if (polybottom < open->highceiling)
{
open->highceiling = polybottom;
if (polybottom < open->ceiling)
{
open->ceiling = polybottom;
}
else if (polybottom < open->highceiling)
{
open->highceiling = polybottom;
}
}
}
else
{
if (polytop > open->floor)
if (open->fofType != LO_FOF_CEILINGS)
{
open->floor = polytop;
}
else if (polytop > open->lowfloor)
{
open->lowfloor = polytop;
if (polytop > open->floor)
{
open->floor = polytop;
}
else if (polytop > open->lowfloor)
{
open->lowfloor = polytop;
}
}
}
}
@ -811,15 +817,28 @@ void P_LineOpening(line_t *linedef, mobj_t *mobj, opening_t *open)
|| (rover->fofflags & FOF_BLOCKOTHERS && !mobj->player)))
continue;
topheight = P_GetFOFTopZ(mobj, front, rover, tm.x, tm.y, linedef);
bottomheight = P_GetFOFBottomZ(mobj, front, rover, tm.x, tm.y, linedef);
if (open->fofType != LO_FOF_ANY)
{
topheight = P_VeryTopOfFOF(rover);
bottomheight = P_VeryBottomOfFOF(rover);
}
else
{
topheight = P_GetFOFTopZ(mobj, front, rover, tm.x, tm.y, linedef);
bottomheight = P_GetFOFBottomZ(mobj, front, rover, tm.x, tm.y, linedef);
}
midheight = bottomheight + (topheight - bottomheight) / 2;
delta1 = abs(mobj->z - midheight);
delta2 = abs(thingtop - midheight);
if (delta1 >= delta2)
if (delta1 > delta2)
{
if (open->fofType == LO_FOF_FLOORS)
{
continue;
}
// thing is below FOF
if ((rover->fofflags & FOF_INTANGIBLEFLATS) != FOF_PLATFORM)
{
@ -832,6 +851,11 @@ void P_LineOpening(line_t *linedef, mobj_t *mobj, opening_t *open)
}
else
{
if (open->fofType == LO_FOF_CEILINGS)
{
continue;
}
// thing is above FOF
if ((rover->fofflags & FOF_INTANGIBLEFLATS) != FOF_REVERSEPLATFORM)
{
@ -858,15 +882,28 @@ void P_LineOpening(line_t *linedef, mobj_t *mobj, opening_t *open)
|| (rover->fofflags & FOF_BLOCKOTHERS && !mobj->player)))
continue;
topheight = P_GetFOFTopZ(mobj, back, rover, tm.x, tm.y, linedef);
bottomheight = P_GetFOFBottomZ(mobj, back, rover, tm.x, tm.y, linedef);
if (open->fofType != LO_FOF_ANY)
{
topheight = P_VeryTopOfFOF(rover);
bottomheight = P_VeryBottomOfFOF(rover);
}
else
{
topheight = P_GetFOFTopZ(mobj, back, rover, tm.x, tm.y, linedef);
bottomheight = P_GetFOFBottomZ(mobj, back, rover, tm.x, tm.y, linedef);
}
midheight = bottomheight + (topheight - bottomheight) / 2;
delta1 = abs(mobj->z - midheight);
delta2 = abs(thingtop - midheight);
if (delta1 >= delta2)
if (delta1 > delta2)
{
if (open->fofType == LO_FOF_FLOORS)
{
continue;
}
// thing is below FOF
if ((rover->fofflags & FOF_INTANGIBLEFLATS) != FOF_PLATFORM)
{
@ -879,6 +916,11 @@ void P_LineOpening(line_t *linedef, mobj_t *mobj, opening_t *open)
}
else
{
if (open->fofType == LO_FOF_CEILINGS)
{
continue;
}
// thing is above FOF
if ((rover->fofflags & FOF_INTANGIBLEFLATS) != FOF_REVERSEPLATFORM)
{

5
src/p_maputl.h
View file

@ -70,8 +70,13 @@ struct opening_t
fixed_t ceilingstep, ceilingdrop;
fixed_t floorstep, floordrop;
INT32 ceilingpic, floorpic;
UINT8 fofType; // LO_FOF_ types for forcing FOF collide
};
#define LO_FOF_ANY (0)
#define LO_FOF_FLOORS (1)
#define LO_FOF_CEILINGS (2)
void P_LineOpening(line_t *plinedef, mobj_t *mobj, opening_t *open);
typedef enum

4
src/p_sight.c
View file

@ -384,6 +384,7 @@ static boolean P_CanBotTraverse(seg_t *seg, divline_t *divl, register los_t *los
tm.y = los->strace.y + FixedMul(los->strace.dy, frac);
// set openrange, opentop, openbottom
open.fofType = (flip ? LO_FOF_CEILINGS : LO_FOF_FLOORS);
P_LineOpening(line, los->t1, &open);
maxstep = P_GetThingStepUp(los->t1, tm.x, tm.y);
@ -451,10 +452,11 @@ static boolean P_CanWaypointTraverse(seg_t *seg, divline_t *divl, register los_t
tm.y = los->strace.y + FixedMul(los->strace.dy, frac);
// set openrange, opentop, openbottom
open.fofType = (flip ? LO_FOF_CEILINGS : LO_FOF_FLOORS);
P_LineOpening(line, los->t1, &open);
maxstep = P_GetThingStepUp(los->t1, tm.x, tm.y);
#if 1
#if 0
if (los->t2->type == MT_WAYPOINT)
{
waypoint_t *wp = K_SearchWaypointHeapForMobj(los->t2);