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Additional blocking-related flags for Actor.LineTrace()

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This commit is contained in:
Marisa Kirisame 2018-06-05 16:54:57 +02:00 committed by Rachael Alexanderson
parent a2f7d36dc3
commit 51b57cebb1
3 changed files with 21 additions and 3 deletions
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3
src/p_local.h
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@ -346,6 +346,9 @@ enum // P_LineTrace flags
TRF_THRUHITSCAN = 32,
TRF_NOSKY = 64,
TRF_ALLACTORS = 128,
TRF_SOLIDACTORS = 256,
TRF_BLOCKUSE = 512,
TRF_BLOCKSELF = 1024,
};
void P_TraceBleed(int damage, const DVector3 &pos, AActor *target, DAngle angle, DAngle pitch);

18
src/p_map.cpp
View file

@ -4971,9 +4971,21 @@ bool P_LineTrace(AActor *t1, DAngle angle, double distance,
}
ActorFlags aflags = (flags & TRF_ALLACTORS) ? ActorFlags::FromInt(0xFFFFFFFF) : MF_SHOOTABLE;
int lflags = 0;
if ( !(flags & TRF_THRUBLOCK) ) lflags |= ML_BLOCKEVERYTHING;
if ( !(flags & TRF_THRUHITSCAN) ) lflags |= ML_BLOCKHITSCAN;
if ( flags & TRF_SOLIDACTORS ) aflags |= MF_SOLID;
int lflags = ML_BLOCKEVERYTHING|ML_BLOCKHITSCAN;
if ( flags & TRF_BLOCKUSE ) lflags |= ML_BLOCKUSE;
if ( flags & TRF_BLOCKSELF )
{
bool Projectile = ( (t1->flags&MF_MISSILE) || (t1->BounceFlags&BOUNCE_MBF) );
bool NotBlocked = ( (t1->flags3&MF3_NOBLOCKMONST) || ( (i_compatflags&COMPATF_NOBLOCKFRIENDS) && (t1->flags&MF_FRIENDLY) ) );
if ( Projectile ) lflags |= ML_BLOCKPROJECTILE;
if ( !Projectile || (t1->flags8&MF8_BLOCKASPLAYER) ) lflags |= ML_BLOCKING;
if ( !NotBlocked ) lflags |= ML_BLOCKMONSTERS;
if ( t1->player || (t1->flags8&MF8_BLOCKASPLAYER) ) lflags |= ML_BLOCKING|ML_BLOCK_PLAYERS;
if ( t1->flags&MF_FLOAT ) lflags |= ML_BLOCK_FLOATERS;
}
if ( flags & TRF_THRUBLOCK ) lflags &= ~ML_BLOCKEVERYTHING;
if ( flags & TRF_THRUHITSCAN ) lflags &= ~ML_BLOCKHITSCAN;
int tflags = TRACE_ReportPortals;
if ( flags & TRF_NOSKY ) tflags |= TRACE_NoSky;

3
wadsrc/static/zscript/constants.txt
View file

@ -908,6 +908,9 @@ enum ELineTraceFlags
TRF_THRUHITSCAN = 32,
TRF_NOSKY = 64,
TRF_ALLACTORS = 128,
TRF_SOLIDACTORS = 256,
TRF_BLOCKUSE = 512,
TRF_BLOCKSELF = 1024,
}
const DEFMELEERANGE = 64;