/*
===============
CG_PositionAndOrientateBuildable
===============
*/
static void CG_PositionAndOrientateBuildable( const vec3_t angles, const vec3_t inOrigin,
const vec3_t normal, const int skipNumber,
const vec3_t mins, const vec3_t maxs,
vec3_t outAxis[ 3 ], vec3_t outOrigin )
{
vec3_t forward, start, end;
trace_t tr, box_tr;
float mag, fraction;
AngleVectors( angles, forward, NULL, NULL );
VectorCopy( normal, outAxis[ 2 ] );
ProjectPointOnPlane( outAxis[ 0 ], forward, outAxis[ 2 ] );
if( !VectorNormalize( outAxis[ 0 ] ) )
{
AngleVectors( angles, NULL, NULL, forward );
ProjectPointOnPlane( outAxis[ 0 ], forward, outAxis[ 2 ] );
VectorNormalize( outAxis[ 0 ] );
}
CrossProduct( outAxis[ 0 ], outAxis[ 2 ], outAxis[ 1 ] );
outAxis[ 1 ][ 0 ] = -outAxis[ 1 ][ 0 ];
outAxis[ 1 ][ 1 ] = -outAxis[ 1 ][ 1 ];
outAxis[ 1 ][ 2 ] = -outAxis[ 1 ][ 2 ];
VectorMA( inOrigin, -TRACE_DEPTH, normal, end );
VectorMA( inOrigin, 1.0f, normal, start );
// Take both capsule and box traces. If the capsule trace does not differ
// significantly from the box trace use it. This may cause buildables to be
// positioned *inside* the surface on which it is placed. This is intentional
CG_CapTrace( &tr, start, mins, maxs, end, skipNumber,
MASK_PLAYERSOLID );
CG_Trace( &box_tr, start, mins, maxs, end, skipNumber,
MASK_PLAYERSOLID );
mag = Distance( tr.endpos, box_tr.endpos );
fraction = tr.fraction;
// this is either too far off of the bbox to be useful for gameplay purposes
// or the model is positioned in thin air anyways.
if( mag > 15.0f || tr.fraction == 1.0f )
fraction = box_tr.fraction;
VectorMA( inOrigin, fraction * -TRACE_DEPTH, normal, outOrigin );
}
/*
===============
CG_PositionAndOrientateBuildable
===============
*/
static void CG_PositionAndOrientateBuildable( const vec3_t angles, const vec3_t inOrigin,
const vec3_t normal, const int skipNumber,
const vec3_t mins, const vec3_t maxs,
vec3_t outAxis[ 3 ], vec3_t outOrigin )
{
vec3_t forward, start, end;
trace_t tr;
AngleVectors( angles, forward, NULL, NULL );
VectorCopy( normal, outAxis[ 2 ] );
ProjectPointOnPlane( outAxis[ 0 ], forward, outAxis[ 2 ] );
if( !VectorNormalize( outAxis[ 0 ] ) )
{
AngleVectors( angles, NULL, NULL, forward );
ProjectPointOnPlane( outAxis[ 0 ], forward, outAxis[ 2 ] );
VectorNormalize( outAxis[ 0 ] );
}
CrossProduct( outAxis[ 0 ], outAxis[ 2 ], outAxis[ 1 ] );
outAxis[ 1 ][ 0 ] = -outAxis[ 1 ][ 0 ];
outAxis[ 1 ][ 1 ] = -outAxis[ 1 ][ 1 ];
outAxis[ 1 ][ 2 ] = -outAxis[ 1 ][ 2 ];
VectorMA( inOrigin, -TRACE_DEPTH, normal, end );
VectorMA( inOrigin, 1.0f, normal, start );
CG_CapTrace( &tr, start, mins, maxs, end, skipNumber,
CONTENTS_SOLID | CONTENTS_PLAYERCLIP );
if( tr.fraction == 1.0f )
{
//erm we missed completely - try again with a box trace
CG_Trace( &tr, start, mins, maxs, end, skipNumber,
CONTENTS_SOLID | CONTENTS_PLAYERCLIP );
}
VectorMA( inOrigin, tr.fraction * -TRACE_DEPTH, normal, outOrigin );
}