/*
=============
CL_TruePointContents

=============
*/
int CL_TruePointContents( const vec3_t p )
{
	int	i, contents;
	int	oldhull;
	hull_t	*hull;
	vec3_t	test, offset;
	physent_t	*pe;

	// sanity check
	if( !p )
		return CONTENTS_NONE;

	oldhull = clgame.pmove->usehull;

	// get base contents from world
	contents = PM_HullPointContents( &cl.worldmodel->hulls[0], 0, p );

	for( i = 0; i < clgame.pmove->nummoveent; i++ )
	{
		pe = &clgame.pmove->moveents[i];

		if( pe->solid != SOLID_NOT ) // disabled ?
			continue;

		// only brushes can have special contents
		if( !pe->model || pe->model->type != mod_brush )
			continue;

		// check water brushes accuracy
		clgame.pmove->usehull = 2;
		hull = PM_HullForBsp( pe, clgame.pmove, offset );
		clgame.pmove->usehull = oldhull;

		// offset the test point appropriately for this hull.
		VectorSubtract( p, offset, test );

		if( (pe->model->flags & MODEL_HAS_ORIGIN) && !VectorIsNull( pe->angles ))
		{
			matrix4x4	matrix;
	
			Matrix4x4_CreateFromEntity( matrix, pe->angles, offset, 1.0f );
			Matrix4x4_VectorITransform( matrix, p, test );
		};

		// test hull for intersection with this model
		if( PM_HullPointContents( hull, hull->firstclipnode, test ) == CONTENTS_EMPTY )
			continue;

		// compare contents ranking
		if( RankForContents( pe->skin ) > RankForContents( contents ))
			contents = pe->skin; // new content has more priority
	};

	return contents;
}
/*
=============
CL_WaterEntity

=============
*/
int CL_WaterEntity( const float *rgflPos )
{
	physent_t		*pe;
	hull_t		*hull;
	vec3_t		test, offset;
	int		i, oldhull;

	if( !rgflPos )
		return -1;

	oldhull = clgame.pmove->usehull;

	for( i = 0; i < clgame.pmove->nummoveent; i++ )
	{
		pe = &clgame.pmove->moveents[i];

		if( pe->solid != SOLID_NOT ) // disabled ?
			continue;

		// only brushes can have special contents
		if( !pe->model || pe->model->type != mod_brush )
			continue;

		// check water brushes accuracy
		clgame.pmove->usehull = 2;
		hull = PM_HullForBsp( pe, clgame.pmove, offset );
		clgame.pmove->usehull = oldhull;

		// offset the test point appropriately for this hull.
		VectorSubtract( rgflPos, offset, test );

		if( (pe->model->flags & MODEL_HAS_ORIGIN) && !VectorIsNull( pe->angles ))
		{
			matrix4x4	matrix;
	
			Matrix4x4_CreateFromEntity( matrix, pe->angles, offset, 1.0f );
			Matrix4x4_VectorITransform( matrix, rgflPos, test );
		};

		// test hull for intersection with this model
		if( PM_HullPointContents( hull, hull->firstclipnode, test ) == CONTENTS_EMPTY )
			continue;

		// found water entity
		return pe->info;
	}
	return -1;
}
Exemple #3
0
static float pfnTraceModel( physent_t *pe, float *start, float *end, trace_t *trace )
{
	int	old_usehull;
	vec3_t	start_l, end_l;
	vec3_t	offset, temp;
	qboolean	rotated;
	matrix4x4	matrix;
	hull_t	*hull;

	old_usehull = clgame.pmove->usehull;
	clgame.pmove->usehull = 2;

	hull = PM_HullForBsp( pe, clgame.pmove, offset );

	clgame.pmove->usehull = old_usehull;

	if( pe->solid == SOLID_BSP && !VectorIsNull( pe->angles ))
		rotated = true;
	else rotated = false;

 	if( rotated )
 	{
 		Matrix4x4_CreateFromEntity( matrix, pe->angles, offset, 1.0f );
 		Matrix4x4_VectorITransform( matrix, start, start_l );
 		Matrix4x4_VectorITransform( matrix, end, end_l );
 	}
 	else
 	{
 		VectorSubtract( start, offset, start_l );
 		VectorSubtract( end, offset, end_l );
 	}

	SV_RecursiveHullCheck( hull, hull->firstclipnode, 0, 1, start_l, end_l, trace );
	trace->ent = NULL;

	if( rotated )
	{
		VectorCopy( trace->plane.normal, temp );
		Matrix4x4_TransformPositivePlane( matrix, temp, trace->plane.dist, trace->plane.normal, &trace->plane.dist );
	}

	VectorLerp( start, trace->fraction, end, trace->endpos );

	return trace->fraction;
}
Exemple #4
0
static hull_t *pfnHullForBsp( physent_t *pe, float *offset )
{
	return PM_HullForBsp( pe, clgame.pmove, offset );
}