void TraceTrmThroughNode(TraceWork tw, Node node)
{
PolygonRef pref;
BrushRef bref;
// position test
if (tw.positionTest)
{
// if already stuck in solid
if (tw.trace.fraction == 0f)
{
return;
}
// test if any of the trm vertices is inside a brush
for (bref = node.brushes; bref != null; bref = bref.next)
{
if (TestTrmVertsInBrush(tw, bref.b))
{
return;
}
}
// if just testing a point we're done
if (tw.pointTrace)
{
return;
}
// test if the trm is stuck in any polygons
for (pref = node.polygons; pref != null; pref = pref.next)
{
if (TestTrmInPolygon(tw, pref.p))
{
return;
}
}
}
// rotate through all polygons in this leaf
else if (tw.rotation)
{
for (pref = node.polygons; pref != null; pref = pref.next)
{
if (RotateTrmThroughPolygon(tw, pref.p))
{
return;
}
}
}
// trace through all polygons in this leaf
else
{
for (pref = node.polygons; pref != null; pref = pref.next)
{
if (TranslateTrmThroughPolygon(tw, pref.p))
{
return;
}
}
}
}
// returns true if any of the trm vertices is inside the brush
bool TestTrmVertsInBrush(TraceWork tw, Brush b)
{
int i, j, numVerts, bestPlane; float d, bestd;
if (b.checkcount == this.checkCount)
{
return(false);
}
b.checkcount = this.checkCount;
if ((b.contents & tw.contents) == 0)
{
return(false);
}
// if the brush bounds don't intersect the trace bounds
if (!b.bounds.IntersectsBounds(tw.bounds))
{
return(false);
}
numVerts = tw.pointTrace ? 1 : tw.numVerts;
for (j = 0; j < numVerts; j++)
{
ref Vector3 p = ref tw.vertices[j].p;
// see if the point is inside the brush
bestPlane = 0;
bestd = -MathX.INFINITY;
for (i = 0; i < b.numPlanes; i++)
{
d = b.planes[i].Distance(p);
if (d >= 0f)
{
break;
}
if (d > bestd)
{
bestd = d; bestPlane = i;
}
}
if (i >= b.numPlanes)
{
tw.trace.fraction = 0f;
tw.trace.c.type = CONTACT.TRMVERTEX;
tw.trace.c.normal = b.planes[bestPlane].Normal;
tw.trace.c.dist = b.planes[bestPlane].Dist;
tw.trace.c.contents = b.contents;
tw.trace.c.material = b.material;
tw.trace.c.point = p;
tw.trace.c.modelFeature = 0;
tw.trace.c.trmFeature = j;
return(true);
}
}
//#define NO_SPATIAL_SUBDIVISION void TraceThroughAxialBSPTree_r(TraceWork tw, Node node, float p1f, float p2f, in Vector3 p1, in Vector3 p2)
