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Diffstat (limited to 'src/game/bg_pmove.c')
-rw-r--r--src/game/bg_pmove.c30
1 files changed, 23 insertions, 7 deletions
diff --git a/src/game/bg_pmove.c b/src/game/bg_pmove.c
index 8cad84fe..25746f9b 100644
--- a/src/game/bg_pmove.c
+++ b/src/game/bg_pmove.c
@@ -1815,7 +1815,6 @@ static void PM_GroundTraceMissed( void )
pml.walking = qfalse;
}
-
/*
=============
PM_GroundClimbTrace
@@ -1833,7 +1832,7 @@ static void PM_GroundClimbTrace( void )
//used for delta correction
vec3_t traceCROSSsurf, traceCROSSref, surfCROSSref;
float traceDOTsurf, traceDOTref, surfDOTref, rTtDOTrTsTt;
- float traceANGref, surfANGref;
+ float traceANGsurf, traceANGref, surfANGref;
vec3_t horizontal = { 1.0f, 0.0f, 0.0f }; //arbituary vector perpendicular to refNormal
vec3_t refTOtrace, refTOsurfTOtrace, tempVec;
int rTtANGrTsTt;
@@ -1910,7 +1909,7 @@ static void PM_GroundClimbTrace( void )
pm->trace( &trace, pm->ps->origin, pm->mins, pm->maxs, point, pm->ps->clientNum, pm->tracemask );
break;
}
-
+
//if we hit something
if( trace.fraction < 1.0f && !( trace.surfaceFlags & ( SURF_SKY | SURF_SLICK ) ) )
{
@@ -1921,7 +1920,7 @@ static void PM_GroundClimbTrace( void )
VectorCopy( trace.endpos, pm->ps->origin );
}
-
+
//calculate a bunch of stuff...
CrossProduct( trace.plane.normal, surfNormal, traceCROSSsurf );
VectorNormalize( traceCROSSsurf );
@@ -1934,6 +1933,10 @@ static void PM_GroundClimbTrace( void )
//calculate angle between surf and trace
traceDOTsurf = DotProduct( trace.plane.normal, surfNormal );
+ traceANGsurf = RAD2DEG( acos( traceDOTsurf ) );
+
+ if( traceANGsurf > 180.0f )
+ traceANGsurf -= 180.0f;
//calculate angle between trace and ref
traceDOTref = DotProduct( trace.plane.normal, refNormal );
@@ -1965,6 +1968,7 @@ static void PM_GroundClimbTrace( void )
//calculate reference rotated through to surf plane then to trace plane
RotatePointAroundVector( tempVec, surfCROSSref, horizontal, -surfANGref );
+ RotatePointAroundVector( refTOsurfTOtrace, traceCROSSsurf, tempVec, -traceANGsurf );
//calculate angle between refTOtrace and refTOsurfTOtrace
rTtDOTrTsTt = DotProduct( refTOtrace, refTOsurfTOtrace );
@@ -1990,6 +1994,10 @@ static void PM_GroundClimbTrace( void )
//construct a point representing where the player is looking
VectorAdd( pm->ps->origin, lookdir, point );
+ //check whether point is on one side of the plane, if so invert the correction angle
+ if( ( abc[ 0 ] * point[ 0 ] + abc[ 1 ] * point[ 1 ] + abc[ 2 ] * point[ 2 ] - d ) > 0 )
+ traceANGsurf = -traceANGsurf;
+
//find the . product of the lookdir and traceCROSSsurf
if( ( ldDOTtCs = DotProduct( lookdir, traceCROSSsurf ) ) < 0.0f )
{
@@ -1997,6 +2005,15 @@ static void PM_GroundClimbTrace( void )
ldDOTtCs = DotProduct( lookdir, traceCROSSsurf );
}
+ //set the correction angle
+ traceANGsurf *= 1.0f - ldDOTtCs;
+
+ if( !( pm->ps->persistant[ PERS_STATE ] & PS_WALLCLIMBINGFOLLOW ) )
+ {
+ //correct the angle
+ pm->ps->delta_angles[ PITCH ] -= ANGLE2SHORT( traceANGsurf );
+ }
+
//transition from wall to ceiling
//normal for subsequent viewangle rotations
if( VectorCompare( trace.plane.normal, ceilingNormal ) )
@@ -2029,7 +2046,7 @@ static void PM_GroundClimbTrace( void )
VectorCopy( trace.plane.normal, pm->ps->grapplePoint );
pm->ps->stats[ STAT_STATE ] &= ~SS_WALLCLIMBINGCEILING;
}
-
+
//IMPORTANT: break out of the for loop if we've hit something
break;
}
@@ -2087,7 +2104,6 @@ static void PM_GroundClimbTrace( void )
PM_AddTouchEnt( trace.entityNum );
}
-
/*
=============
PM_GroundTrace
@@ -3601,7 +3617,7 @@ void PmoveSingle( pmove_t *pmove )
PM_WaterEvents( );
// snap some parts of playerstate to save network bandwidth
- trap_SnapVector( pm->ps->velocity );
+ SnapVector( pm->ps->velocity );
}