/*
=============
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;
}
void LinkLeafFaces (surface_t *planelist, node_t *leafnode)
{
face_t *f;
surface_t *surf;
int rank, r;
int nummarkfaces;
face_t *markfaces[MAX_LEAF_FACES];
leafnode->faces = NULL;
leafnode->planenum = -1;
rank = -1;
for ( surf = planelist ; surf ; surf = surf->next)
{
for (f = surf->faces ; f ; f=f->next)
{
r = RankForContents (f->contents);
if (r > rank)
rank = r;
}
}
leafnode->contents = ContentsForRank (rank);
if (leafnode->contents != CONTENTS_SOLID)
{
nummarkfaces = 0;
for (surf = leafnode->surfaces ; surf ; surf=surf->next)
{
for (f=surf->faces ; f ; f=f->next)
{
if (nummarkfaces == MAX_LEAF_FACES)
Error ("nummarkfaces == MAX_LEAF_FACES");
markfaces[nummarkfaces++] = f->original;
}
}
c_leaffaces += nummarkfaces;
markfaces[nummarkfaces] = NULL; // end marker
nummarkfaces++;
leafnode->markfaces = malloc(nummarkfaces * sizeof(*leafnode->markfaces));
memcpy (leafnode->markfaces, markfaces, nummarkfaces * sizeof(*leafnode->markfaces));
}
FreeLeafSurfs (leafnode);
leafnode->surfaces = NULL;
}
