OrdinaryMagician/vkdoom_m
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Single commit - destructible geometry feature

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ZZYZX 2018-10-29 00:08:38 +02:00 • committed by Christoph Oelckers
commit b911bbc424
18 changed files with 898 additions and 57 deletions
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91
src/p_mobj.cpp
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@ -1938,6 +1938,31 @@ bool AActor::Massacre ()
void P_ExplodeMissile (AActor *mo, line_t *line, AActor *target, bool onsky)
{
// [ZZ] line damage callback
if (line)
{
int wside = P_PointOnLineSide(mo->Pos(), line);
int oside = !wside;
side_t* otherside = line->sidedef[oside];
// check if hit upper or lower part
if (otherside)
{
sector_t* othersector = otherside->sector;
double otherfloorz = othersector->floorplane.ZatPoint(mo->Pos());
double otherceilingz = othersector->ceilingplane.ZatPoint(mo->Pos());
double actualz = mo->Pos().Z;
if (actualz < otherfloorz && othersector->healthfloor > 0 && P_CheckLinedefVulnerable(line, wside, SECPART_Floor))
P_DamageSector(othersector, mo, mo->GetMissileDamage((mo->flags4 & MF4_STRIFEDAMAGE) ? 3 : 7, 1), mo->DamageType, SECPART_Floor, mo->Pos());
if (actualz > otherceilingz && othersector->healthceiling > 0 && P_CheckLinedefVulnerable(line, wside, SECPART_Ceiling))
P_DamageSector(othersector, mo, mo->GetMissileDamage((mo->flags4 & MF4_STRIFEDAMAGE) ? 3 : 7, 1), mo->DamageType, SECPART_Ceiling, mo->Pos());
}
if (line->health > 0 && P_CheckLinedefVulnerable(line, wside))
{
P_DamageLinedef(line, mo, mo->GetMissileDamage((mo->flags4 & MF4_STRIFEDAMAGE) ? 3 : 7, 1), mo->DamageType, wside, mo->Pos());
}
}
if (mo->flags3 & MF3_EXPLOCOUNT)
{
if (++mo->threshold < mo->DefThreshold)
@ -2689,30 +2714,50 @@ double P_XYMovement (AActor *mo, DVector2 scroll)
explode:
// explode a missile
bool onsky = false;
if (tm.ceilingline &&
tm.ceilingline->backsector &&
tm.ceilingline->backsector->GetTexture(sector_t::ceiling) == skyflatnum &&
mo->Z() >= tm.ceilingline->backsector->ceilingplane.ZatPoint(mo->PosRelative(tm.ceilingline)))
if (tm.ceilingline &&
tm.ceilingline->backsector &&
tm.ceilingline->backsector->GetTexture(sector_t::ceiling) == skyflatnum &&
mo->Z() >= tm.ceilingline->backsector->ceilingplane.ZatPoint(mo->PosRelative(tm.ceilingline)))
{
if (!(mo->flags3 & MF3_SKYEXPLODE))
{
if (!(mo->flags3 & MF3_SKYEXPLODE))
{
// Hack to prevent missiles exploding against the sky.
// Does not handle sky floors.
mo->Destroy();
return Oldfloorz;
}
else onsky = true;
// Hack to prevent missiles exploding against the sky.
// Does not handle sky floors.
mo->Destroy();
return Oldfloorz;
}
// [RH] Don't explode on horizon lines.
if (mo->BlockingLine != NULL && mo->BlockingLine->special == Line_Horizon)
else onsky = true;
}
// [RH] Don't explode on horizon lines.
if (mo->BlockingLine != NULL && mo->BlockingLine->special == Line_Horizon)
{
if (!(mo->flags3 & MF3_SKYEXPLODE))
{
if (!(mo->flags3 & MF3_SKYEXPLODE))
{
mo->Destroy();
return Oldfloorz;
}
else onsky = true;
mo->Destroy();
return Oldfloorz;
}
else onsky = true;
}
if (!mo->BlockingLine && !BlockingMobj) // hit floor or ceiling while XY movement
{
int hitpart = -1;
sector_t* hitsector = nullptr;
// check against floor
if (tm.floorsector && mo->Z() < tm.floorsector->floorplane.ZatPoint(tm.pos.XY()))
{
hitpart = SECPART_Floor;
hitsector = tm.floorsector;
if (hitsector->healthfloor > 0 && P_CheckSectorVulnerable(hitsector, hitpart))
P_DamageSector(hitsector, mo, mo->GetMissileDamage((mo->flags4 & MF4_STRIFEDAMAGE) ? 3 : 7, 1), mo->DamageType, hitpart, mo->Pos());
}
if (tm.ceilingsector && mo->Z() + mo->Height > tm.ceilingsector->ceilingplane.ZatPoint(tm.pos.XY()))
{
hitpart = SECPART_Ceiling;
hitsector = tm.ceilingsector;
if (hitsector->healthceiling > 0 && P_CheckSectorVulnerable(hitsector, hitpart))
P_DamageSector(hitsector, mo, mo->GetMissileDamage((mo->flags4 & MF4_STRIFEDAMAGE) ? 3 : 7, 1), mo->DamageType, hitpart, mo->Pos());
}
}
P_ExplodeMissile (mo, mo->BlockingLine, BlockingMobj, onsky);
return Oldfloorz;
}
@ -3105,6 +3150,9 @@ void P_ZMovement (AActor *mo, double oldfloorz)
else onsky = true;
}
P_HitFloor (mo);
// hit floor: direct damage callback
if (mo->Sector->healthfloor > 0 && P_CheckSectorVulnerable(mo->Sector, SECPART_Floor))
P_DamageSector(mo->Sector, mo, mo->GetMissileDamage((mo->flags4 & MF4_STRIFEDAMAGE) ? 3 : 7, 1), mo->DamageType, SECPART_Floor, mo->Pos());
P_ExplodeMissile (mo, NULL, NULL, onsky);
return;
}
@ -3208,6 +3256,9 @@ void P_ZMovement (AActor *mo, double oldfloorz)
}
else onsky = true;
}
// hit ceiling: direct damage callback
if (mo->Sector->healthceiling > 0 && P_CheckSectorVulnerable(mo->Sector, SECPART_Ceiling))
P_DamageSector(mo->Sector, mo, mo->GetMissileDamage((mo->flags4 & MF4_STRIFEDAMAGE) ? 3 : 7, 1), mo->DamageType, SECPART_Ceiling, mo->Pos());
P_ExplodeMissile (mo, NULL, NULL, onsky);
return;
}