Function xClumpColl_ForAllIntersections

src/SB/Core/x/xClumpColl.cpp:808–890

}

xClumpCollBSPTree* xClumpColl_ForAllIntersections(xClumpCollBSPTree* tree,
                                                  RpIntersection* intersection,
                                                  RpIntersectionCallBackWorldTriangle callBack,
                                                  void* data)
{
    CallBackParam cbParam;
    cbParam.intersection = intersection;
    cbParam.u.worldCB = callBack;
    cbParam.data = data;

    switch (intersection->type)
    {
        case rpINTERSECTPOINT:
            return NULL;
        case rpINTERSECTLINE:
        {
            PolyLineTestParam isData;
            RwLine* line = &intersection->t.line;
            F32 recip;

            isData.start = line->start;
            RwV3dSubMacro(&isData.delta, &line->end, &line->start);
            isData.cbParam = &cbParam;
            isData.line = *line;

            recip = (isData.delta.x != 0.0f) ? (1.0f / isData.delta.x) : 0.0f;
            isData.grad.dydx = isData.delta.y * recip;
            isData.grad.dzdx = isData.delta.z * recip;

            recip = (isData.delta.y != 0.0f) ? (1.0f / isData.delta.y) : 0.0f;
            isData.grad.dxdy = isData.delta.x * recip;
            isData.grad.dzdy = isData.delta.z * recip;

            recip = (isData.delta.z != 0.0f) ? (1.0f / isData.delta.z) : 0.0f;
            isData.grad.dxdz = isData.delta.x * recip;
            isData.grad.dydz = isData.delta.y * recip;

            xClumpColl_ForAllLineLeafNodeIntersections(tree, line, &isData.grad,
                                                    LeafNodeLinePolyIntersect, &isData);

            return tree;
        }
        case rpINTERSECTSPHERE:
        {
            PolyTestParam isData;
            TestSphere testSphere;

            isData.bbox.inf = isData.bbox.sup = intersection->t.sphere.center;
            isData.bbox.inf.x -= intersection->t.sphere.radius;
            isData.bbox.inf.y -= intersection->t.sphere.radius;
            isData.bbox.inf.z -= intersection->t.sphere.radius;
            isData.bbox.sup.x += intersection->t.sphere.radius;
            isData.bbox.sup.y += intersection->t.sphere.radius;
            isData.bbox.sup.z += intersection->t.sphere.radius;

            testSphere.sphere = &intersection->t.sphere;

            isData.leafTestData = &testSphere;