OrdinaryMagician/vkdoom_m
OrdinaryMagician/vkdoom_m
1
Fork 0
Code Activity

Extended LineAttack() with offsets and new flags

Browse source 
Added forward and side offsets for LineAttack() function
Added absolute offset and absolute position flags for LineAttack() function
This commit is contained in:
Major Cooke 2017-11-03 13:57:44 -05:00 • committed by alexey.lysiuk
commit d422392b94
4 changed files with 54 additions and 18 deletions
Download patch file Download diff file Expand all files Collapse all files

41
src/p_map.cpp
View file

@ -4395,7 +4395,8 @@ static ETraceStatus CheckForActor(FTraceResults &res, void *userdata)
//==========================================================================
AActor *P_LineAttack(AActor *t1, DAngle angle, double distance,
DAngle pitch, int damage, FName damageType, PClassActor *pufftype, int flags, FTranslatedLineTarget*victim, int *actualdamage, double sz)
DAngle pitch, int damage, FName damageType, PClassActor *pufftype, int flags, FTranslatedLineTarget*victim, int *actualdamage,
double sz, double offsetforward, double offsetside)
{
bool nointeract = !!(flags & LAF_NOINTERACT);
DVector3 direction;
@ -4496,7 +4497,34 @@ AActor *P_LineAttack(AActor *t1, DAngle angle, double distance,
if (nointeract || (puffDefaults && puffDefaults->flags6 & MF6_NOTRIGGER)) tflags = TRACE_NoSky;
else tflags = TRACE_NoSky | TRACE_Impact;
if (!Trace(t1->PosAtZ(shootz), t1->Sector, direction, distance, MF_SHOOTABLE,
// [MC] Check the flags and set the position according to what is desired.
// LAF_ABSPOSITION: Treat the offset parameters as direct coordinates.
// LAF_ABSOFFSET: Ignore the angle.
DVector3 tempos;
if (flags & LAF_ABSPOSITION)
{
tempos = DVector3(offsetforward, offsetside, sz);
}
else if (flags & LAF_ABSOFFSET)
{
tempos = t1->Vec2OffsetZ(offsetforward, offsetside, shootz);
}
else if (0.0 == offsetforward && 0.0 == offsetside)
{
// Default case so exact comparison is enough
tempos = t1->PosAtZ(shootz);
}
else
{
const double s = angle.Sin();
const double c = angle.Cos();
tempos = t1->Vec2OffsetZ(offsetforward * c + offsetside * s, offsetforward * s - offsetside * c, shootz);
}
// Perform the trace.
if (!Trace(tempos, t1->Sector, direction, distance, MF_SHOOTABLE,
ML_BLOCKEVERYTHING | ML_BLOCKHITSCAN, t1, trace, tflags, CheckForActor, &TData))
{ // hit nothing
if (!nointeract && puffDefaults && puffDefaults->ActiveSound)
@ -4702,7 +4730,8 @@ AActor *P_LineAttack(AActor *t1, DAngle angle, double distance,
}
AActor *P_LineAttack(AActor *t1, DAngle angle, double distance,
DAngle pitch, int damage, FName damageType, FName pufftype, int flags, FTranslatedLineTarget *victim, int *actualdamage, double sz)
DAngle pitch, int damage, FName damageType, FName pufftype, int flags, FTranslatedLineTarget *victim, int *actualdamage,
double sz, double offsetforward, double offsetside)
{
PClassActor *type = PClass::FindActor(pufftype);
if (type == NULL)
@ -4716,7 +4745,7 @@ AActor *P_LineAttack(AActor *t1, DAngle angle, double distance,
}
else
{
return P_LineAttack(t1, angle, distance, pitch, damage, damageType, type, flags, victim, actualdamage, sz);
return P_LineAttack(t1, angle, distance, pitch, damage, damageType, type, flags, victim, actualdamage, sz, offsetforward, offsetside);
}
}
@ -4732,10 +4761,12 @@ DEFINE_ACTION_FUNCTION(AActor, LineAttack)
PARAM_INT_DEF(flags);
PARAM_POINTER_DEF(victim, FTranslatedLineTarget);
PARAM_FLOAT_DEF(offsetz);
PARAM_FLOAT_DEF(offsetforward);
PARAM_FLOAT_DEF(offsetside);
int acdmg;
if (puffType == nullptr) puffType = PClass::FindActor("BulletPuff"); // P_LineAttack does not work without a puff to take info from.
auto puff = P_LineAttack(self, angle, distance, pitch, damage, damageType, puffType, flags, victim, &acdmg, offsetz);
auto puff = P_LineAttack(self, angle, distance, pitch, damage, damageType, puffType, flags, victim, &acdmg, offsetz, offsetforward, offsetside);
if (numret > 0) ret[0].SetObject(puff);
if (numret > 1) ret[1].SetInt(acdmg), numret = 2;
return numret;